Compositions of polycarbonates and compositions of derivatives of polycarbonates (C08L69)

Polymer composition and material with improved characteristics of turbidity and light transmission, modificator and method of producing polymer composition // 2639778
FIELD: chemistry.SUBSTANCE: polymer composition comprises a polymer matrix and crosslinked copolymer microspheres. Crosslinked copolymer microspheres represent an alternating copolymer formed from monomers with anhydride, amide and/or imide groups, and olefin monomers and/or furan and its derivatives, and crosslinked by the crosslinking agent. Preferably, the composition has a turbidity of, at least, 92%, and a light transmission of, at least, 55%, more preferably a turbidity of, at least, 95%, and a light transmission of, at least, 59%.EFFECT: material produced from the polymer composition for the present invention, has excellent light-scattering properties, which contributes to energy savings, low cost, and easy production.30 cl, 1 tbl, 25 ex
ulti-layer film with improved properties of elastic module // 2636711
FIELD: packaging industry.SUBSTANCE: product is obtained by three-dimensional forming a multi-layer plastic film which has a middle layer A, comprising at least one polycarbonate or copolycarbonate and/or polyester or copolyester. The mentioned middle layer A is located between two outer layers B containing at least one thermoplastic polyurethane having 45-85HSD.EFFECT: decreasing the characteristics of the elastic module under tension during the period of use of the product.17 cl, 2 tbl, 12 ex
Abs-composition with improved surface following storage in a warm-humid environment // 2624157
FIELD: chemistry.SUBSTANCE: invention relates to thermoplastic polymer compositions comprising vinylaromatic copolymers obtained by emulsion polymerization, to a process of preparation of these compositions, their use, and also to moulded articles or parts. The polymer composition contains, as component A) from 0 to 98 wt. parts of an aromatic polycarbonate in terms of the sum of components A and B, component B) from 2 to 100 wt. parts, in terms of the sum of A and B. Component B) consists of components B1), B2 and B3. As a component B1), the composition contains at least one graft polymer obtained during the emulsion polymerization process. As component B2), optionally, at least one graft polymer obtained in the course of bulk polymerization, suspension polymerization or solution polymerization. As component B3), optionally, at least one styrene-acrylonitrile copolymer free of rubbers. The composition contains, as component C), from 0 to 30 wt. parts of at least one conventional polymer additive. Mentioned composition comprises at least one inorganic salt consisting of a cation selected from the group of alkali metals, alkaline earth metals and aluminium and an anion selected from the group consisting of chloride, sulfate, nitrate, phosphate, acetate and formate in a concentration of 100 to 5000 mg/kg in terms of the composition. And this salt is present in the composition solely in the form of amorphous or crystalline inclusions with a size of less than 60 mcm. The compositions are particularly suitable for the manufacture of mouldings or moulded parts with a Class A surface and high gloss surface finish, which, if necessary, were partially or completely subjected to an additional stage of surface treatment by, for example, lacquering, film moulding in casting, metallization as a result of vacuum spraying or galvanizing.EFFECT: invention provides products that are characterized by an improved surface after storage under heat and humidity conditions.13 cl, 1 tbl
Impact-modified polycarbonate compositions for the simplified production of low-temperature resistant components with high-gloss and matt component detail // 2623273
FIELD: chemistry.SUBSTANCE: moulding compositions contain mixtures of graft copolymers with a defined particle size distribution obtained by emulsion polymerization and by polymerization in bulk, solution or suspension. On the one hand, they are suitable for the production of non-lacquered parts with mirror-shining surfaces in a wide range of technological parameters (including high processing temperatures), and on the other hand, they accurately reproduce the texture of finely structured etched surfaces of moulds, mould with different surface textures in a single stage of injection moulding, it is possible to manufacture details with both mirror-shiny and deep-matt surfaces without the need for subsequent additional processing surfaces.EFFECT: moulding materials have high heat resistance and low-temperature stiffness, and excellent resistance to fatigue cracking when exposed to chemicals, which is particularly important in the case of non-varnished parts.15 cl, 7 tbl
Polymer compound, resistant to ionising radiation // 2615514
FIELD: chemistry.SUBSTANCE: invention relates to polypropylene based polymeric compounds and may be used for health care products. The compound contains polypropylene with a melt flow index of 25-35 g/10 min, divinylstyrene thermoelastoplast with a melt flow index below 1 g/10 min, polycarbonate with a melt flow index of 6.51 g/10 min, sterically hindered amine, triallylisocyanurate, nanocellulose as a stabiliser, in the amount of 0.0010 to 0.0500 wt %.EFFECT: polymeric compound is high resistant to ionising radiation, increased storage life of the products made thereof.3 tbl, 6 ex

Polymer composition for production of greenhouse covering material (versions) // 2609801
FIELD: chemistry.SUBSTANCE: invention relates to a polymer composition for the production of covering materials for greenhouses used for growing plants in protected grounds. The composition comprises a polymer, preferably a polycarbonate, a luminescent filler - luminophor with blue emission color in the spectral region of 380-510 nm and the excitation region of 250-380 nm, for example, FK-1 and/or red emission color in the spectral region of 580-710 nm and the excitation region of 200-600 nm, for example FL-626. The composition may contain a light-scattering additive regulating the growth and photosynthetic response of plants. As the light-scattering additive the composition comprises a colored master-batch, which is a mixture of a polymer, preferably a polycarbonate with a dye, which contains one of the groups of colors as per RAL 4001 or 4006, or 4012, RAL 3000 or 3016, or 3033, RAL 2000 or 2005, or 2012, with a certain weight ratio of the components.EFFECT: invention provides a covering material with a luminescence light of the required wavelength to obtain the most favorable conditions for development of plants in the greenhouse for the entire growing and maturing season while increasing the productivity of plants, such as tomatoes, increasing the number and average weight of fruits per plant and therefore marketable yield of fruits.15 cl, 12 dwg, 7 tbl

Randomised phosphonate/carbonate copolymers based on bisphenols having high molecular weight // 2575339
FIELD: chemistry.SUBSTANCE: randomised phosphonate/carbonate copolymer comprises randomly distributed ionomer links produced from carboxylic and phosphonic monomers. The copolymer has a weight-average molecular weight from approximately 10000 g/mol to approximately 100000 g/mol and a polydispersity from approximately 2 to approximately 7.EFFECT: producing the randomised phosphonate/carbonate copolymers having a high molecular weight and a narrow molecular-weight distribution, and related products.25 cl, 4 tbl, 23 ex

Polymer luminescent composite for colourless light production, which is excited by blue light-emitting diode // 2549406
FIELD: electricity.SUBSTANCE: invention is referred to light engineering, in particular to polymer luminescent composites used for arrangement of general and local lighting. The polymer luminescent composite excited by blue light-emitting diode contains transparent polycarbonate with melt flow index of 6-40 g/10 min, photoluminiscent phosphor - yttrium- gadolinium alumogallic garnet activated by cerium with formula of (YGd)3(AlGa)5O12:Ce, powdered polyethylene wax with particle size of 18-30 mcm, heat stabiliser - Ultranox 626 and Tinuvin 360.EFFECT: suggested composite provides reduced intensity of blue light and increased illumination.6 dwg, 2 tbl, 14 ex
Production of sand blend // 2535221
FIELD: process engineering.SUBSTANCE: invention relates to production of sand blend or moulded article. Sand blend is composed on the mix of polyamide and master batch containing carbonic acid, particularly, with phenols or alcohols, and polyether amide. Polyamide has end groups, at least 50% of the latter are composed of end amine groups. Polyamide amount makes 10-99 wt %. Amount of polyether amide in master batch makes 1-90 wt %. Polyamide end groups, at least 50% thereof, are composed of end amine groups. This mix is stored and transported, if required. This mix is mixed in the melt at shear stress. Fused mix is unloaded and hardened to get sand batch of moulded article. Said moulded article represents a channel, plate or film.EFFECT: produced article features higher content of end amino groups, higher resistance to hydrolysis.9 cl

Cosmetic composition for hair // 2527695
FIELD: medicine, pharmaceutics.SUBSTANCE: invention refers to the cosmetic industry, particularly represents a composition for hair containing polycarbonate polyether having a structural unit presented by the following formula (1) and a method for hair styling with using the above composition for hair.EFFECT: cosmetic composition provides an improved hairstyle holding.16 cl, 3 tbl, 43 ex
ethod of colouring poly(meth)acrylates by water-based liquid dyes and water-based liquid dyes // 2520439
FIELD: chemistry.SUBSTANCE: invention relates to a water composition with a colouring substance for colouring thermoplastic moulding masses. The composition contains, wt %: from 1 wt % to 49 wt % of modified polyacrylate, including links of alpha-methylstyrene, 2-ethylhexylacrylate and methacrylate of methoxypolyethylene glycol in the form of water solution with concentration from 48 wt % to 52 of polyacrylate, from 0.5 wt % to 50 wt % of the colouring substance or a mixture of colouring substances and completely desalinated water.EFFECT: invention makes it possible to prevent reduction of softening temperature and increase of sensitivity to rupture effort of polymers.9 cl, 6 ex

Fire-resistant compositions with modified impact strength made from polyalkylene terephthalate/polycarbonate // 2504563
FIELD: chemistry.SUBSTANCE: moulded article contains a moulding composition with modified impact strength, which includes an aromatic polycarbonate, polyalkylene terephthalate, a rubber-modified graft copolymerisate and a phosphinic acid salt of general formula , where Mm+ is a metal cation.EFFECT: invention enables to obtain compositions with modified impact strength, having high heat resistance, good fire resistance and high modulus of elasticity.17 cl

Aircraft window // 2475414
FIELD: transport.SUBSTANCE: invention relates to aircraft windows, particularly, to those meeting the requirements to fire resistance in compliance with heat emission test OSU 100/100. Window comprises translucent glazing panel with preset criterion of maximum rate of heat emission (PHRR) and 2 min interval of heat emission. Said panel is made of composition including copolycarbonate and bromo oligocarbonate at the ratio of 0.1112 to 1. Note here that copolycarbonate molecular structure contains not over 37% of 1,1-bis-(4-hydroxy-phenyl)-3,3,5-trimethyl cyclohexane relative to the weight of its residues.EFFECT: possibility to form in thermoplastic state, including injection moulding and extrusion.9 cl, 6 tbl, 24 ex

Polymer composition // 2471831
FIELD: chemistry.SUBSTANCE: composition contains a mixture of: (i) aromatic polycarbonate; (ii) a graft copolymer which contains polyacrylonitrile; and (iii) a non-cross-linked polymer having weight-average molecular weight (Mw) less than or equal to 65000 Da. The graft-copolymer contains acrylostyrene-acrylonitrile polymer, acrylonitrile-ethylene-propylene-diene-styrene polymer, olefin-styrene-acrylonitrile polymer or acrylonitrile-butadiene-styrene polymer. The composition can additionally contain a modifying additive based on methacrylate-butadiene-styrene which increases impact strength. The composition can additionally contain reinforcing fibre. The non-cross-linked acrylic polymer increases the melt flow rate of the mixture and shortens the duration of the process cycle when preparing the mixture.EFFECT: invention improves the technology of processing polymer mixtures based on aromatic polycarbonate.36 cl, 4 tbl, 16 ex

Thermoplastic moulding compounds containing organic black pigments // 2470959
FIELD: chemistry.SUBSTANCE: moulding compounds contain a component (A) of 34-99.99 wt % of at least one thermoplastic polymer selected from (i) polyarylene ethers, (ii) polyether imides, (iii) polyarylene sulphides, (iv) polycarbonates with glass-transition temperature of at least 145°C, and copolymers of said polymers (i)-(iv); a component (B) of 0.01-10 wt % of at least one organic black pigment which is transparent in the range from 1000 nm to 1600 nm and has thermal stability according to DIN EN 12877-1 of at least 300°C. The moulding compounds can optionally contain 0-6 wt % of a lubricant (C), 0-50 wt % of one or more additives (D). The sum of all components is equal to 100 wt %.EFFECT: reducing heat accumulation in structural components made from synthetic materials, moulded articles, films and membranes.14 cl, 2 tbl, 8 ex

Aromatic polycarbonate resin composition and article moulded therefrom // 2467038
FIELD: chemistry.SUBSTANCE: invention relates to a resin composition for making moulded articles, which efficiently block thermal radiation of sunlight and are excellent in terms of transparency, as well as articles moulded from said composition. The resin composition contains an aromatic polycarbonate resin (component A), particles of a hexaboride of at least one element selected from a group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Sr and Ca, (component B-1) and at least another resin (component B-2) different from component A, and nitride particles. The other resin (component B-2) is selected from a group comprising acrylic resin, polyurethane resin, polyether resin and polyester resin. Total content of component B-1 and component B-2 ranges from 0.001 to 1 pts.wt per 100 pts.wt component A. The resin composition contains particles (1) formed from component B-1 and particles (2) formed from component B-1 and component B-2. Particles (1) and particles (2) are characterised by number-average diameter of secondary particles of 50 mcm or less, and maximum diameter of secondary particles of 300 mcm or less. The resin composition is obtained by mixing component B-1 and component B-2. A component B is obtained, which is mixed with component A. A mother batch is obtained, which is mixed with component A. An article is moulded from the resin composition.EFFECT: resin composition for obtaining moulded articles which efficiently block thermal radiation of sunlight and are excellent in terms of transparency.15 cl, 2 dwg, 2 tbl, 2 ex

Impact viscosity-modified polycarbonate compositions with filler // 2458947
FIELD: chemistry.SUBSTANCE: invention relates to impact viscosity-modified polycarbonate moulding compounds for moulded articles. The moulding compounds contain 10-90 wt % aromatic polycarbonate and/or aromatic polyether carbonate, 0.5-30 wt % graft rubber-modified polymerisate, 0.1-50 wt % hollow ceramic spheres, 0-20 wt % phosphorus-containing fire retardant, 0-40 wt % polymerisates or copolymerisates of vinyl and/or polyalkylene terephthalate, 0-10 wt % other additives. The additives are selected from a group consisting of fire-resistant synergists which prevent flow of agents which facilitate slipping of agents and other additives.EFFECT: moulded articles meet high requirements for the profile of mechanical properties and have improved fluidity characteristics during manufacture.6 cl, 2 tbl

Thermoplastic composition with low light-reflecting power and high impact strength at low temperature // 2458088
FIELD: chemistry.SUBSTANCE: composition contains (A) a bisphenol-based homopolycarbonate in amount of 10-90% of the weight of the composition (weight parts), B) 10-90 pt.wt first graft (co)polymer containing a graft copolymerisation base selected from a group consisting of polyurethane, ethylene-vinyl acetate, silicone, ethylene-propylene-diene rubber, ethylene-propylene rubber, acrylate rubber, diene rubber and polychloroprene. When the first graft copolymer contains 3-50% rubber component, and when the graft phase contains 49-96% polymerised monovinyl diene aromatic monomer and 1-48% monoethylene unsaturated polar monomer, wherein the percentage relates to the weight of the first graft (co)polymer. The composition also contains 1-20 pts.wt linear polymer (C) with glycidyl ester functional groups, containing repeating units based on one or more glycidyl ester monomers. The composition contains 1-20 pts.wt second graft (co)polymer (D) containing a nucleus and a shell. The molecular structure of the nucleus includes an all-permeating mesh structure made from poly(meth)alkyl acrylate. The shell is made by polymerising methyl methacrylate.EFFECT: low light-reflecting power and high impact strength at low temperatures.17 cl, 2 tbl

Polycarbonate polymer composition and moulded article based thereon // 2458087
FIELD: chemistry.SUBSTANCE: polymer composition contains a polycarbonate polymer (component A), coated hexaboride particles (component B) as well as metal nitride particles (component C). The hexaboride particles consist of particles of a hexaboride of at least one element selected from a group consisting of Y, La, Ce, Pr, Nd, Sm, Eu, Gd, Tb, Dy, Ho, Er, Tm, Yb, Lu, Sr and Ca and a coating layer containing a metal oxide. The composition contains particles of a nitride of a metal selected from a group consisting of Ti, Zr, Hf, V, Nb and Ta. The composition is obtained by mixing in molten state coated particles of hexaboride, metal nitride and a polymer dispersant with a polycarbonate polymer.EFFECT: invention provides the article with efficient heat-reflecting properties, excellent transparency and water-resistance.13 cl, 1 dwg, 1 tbl, 5 ex

Hybrid-design low-weight part // 2450950
FIELD: transport.SUBSTANCE: invention relates to hybrid parts or low-weight parts with cavities consisting of cup-like base reinforced by thermoplastic materials. The latter contain 10-99.99 wt % of, at least, one partially crystalline thermoplastic polymer and 0.01-50 wt % of, at least, one olefin copolimerisate with one ether of methacrylic acid or ether of acrylic acid of aliphatic alcohol. Fluidity index of copolimerisate melt makes, at least, 100 g/10 min.EFFECT: higher breaking strength, hardness and durability.4 cl, 3 dwg, 4 tbl, 4 ex

Impact resistant, fire retardant thermoplastic moulding composition // 2448993
FIELD: chemistry.SUBSTANCE: invention relates to a thermoplastic moulding composition which is flame retardant and impact resistant. The thermoplastic moulding composition for making moulded articles contains aromatic polyester carbonate, polyalkylene terephthalate, graft copolymer having a nucleus-shell morphology, having a graft shell which contains polymerised alkyl(meth)acrylate, and a nucleus made from composite rubber which contains interpenetrating and inseparable polyorganosiloxane and poly(meth)alkyl acrylate components in form of particles having size from 0.05 to 5 mcm and glass transition temperature lower than 0°C, and where the weight ratio polyorganosiloxane/poly(meth)alkyl acrylate/hard shell equals 70-90/5-15/5-15, and a phosphorus-containing compound (IVa), where R1, R2, R3 and R4 denote phenyl, R5 denotes hydrogen, n equals 1, q ranges from 1 to 2, Y denotes C(CH3)2 and fluorinated polyolefin.EFFECT: high resistance to inflammation and impact strength.8 cl, 1 tbl
Thermoplastic, scratch-resistant polymer composition // 2447105
FIELD: chemistry.SUBSTANCE: invention relates to a thermoplastic and scratch-resistant polymer composition for making articles used in construction, instrument making, aircraft construction, motor transport and lighting technology. The composition contains 100 pts.wt polycarbonate and 1.0-1.2 pts.wt mixture of hydrophobic silicon dioxide and aluminium trioxide in weight ratio from 1:1 to 1:2, respectively. The composition can additionally contain 0.2-0.25 pts.wt hafnium dioxide per 100 pts.wt polycarbonate. The oxide nanoparticles have size of 7-13 nm.EFFECT: invention enables to obtain a composition using a simple technique, having high abrasive wear resistance and high transparency.3 cl, 1 tbl, 19 ex

Impact viscosity-modified fire-resistant polycarbonate compositions // 2444549
FIELD: chemistry.SUBSTANCE: composition contains the following in pts.wt: A) 40-95 branched aromatic polycarbonate and/or branched aromatic polyether polycarbonate; B) 1-25 graft copolymer; C) 9-18 talc; D) 0.4-20 bisphenol A based oligophosphate as a phosphorus-containing fire retardant; E) 1-6 one or more inorganic boron compounds selected from Zn4B2O7·H2O, Zn2B6O11·3.5H2O and/or ZnB4O7·4H2O and F) 0-3 polytetrafluoroethylene as an agent for preventing formation of droplets. Copolymer (B) is obtained from B.1) 5-95 wt % one or more vinyl monomers per B.2) 95-5 wt % one or more graft copolymerisation bases selected from silicone rubber (B.2.1) and silicone-acrylate rubber (B.2.2), wherein the base has glass transition temperature lower than 10°C.EFFECT: invention enables to obtain a composition with excellent fire resistance and high heat resistance, and which also meets high fire-prevention technical requirements according to ASTM E162 and ASTM E662 standards.12 cl, 1 tbl, 7 ex

Fire-proof polycarbonate compositions with modified shock resistance // 2442807
FIELD: chemistrySUBSTANCE: the invention relates to fire-proof polycarbonate compositions with modified shock resistance, used to manufacture moulded products. The composition contains, in mass parts: A) 40-95 branched aromatic polyester-carbonate; B) 1-25 graft polymer; C) 9-18 agilite; D) 0,4-20 oligophosphate based on diphenol A as a phosphorus-containing anti-pyrene; E) 1-6 of one or several boron-containing inorganic compositions selected from Zn4B2O7·H20, Zn2B6O11·3,5H20 and/or ZnB4O7·4H20 and F) 0-3 polytetrafluorethylene used to prevent drop formation. The composition does not contain thermoplastic vinyl (co)polymers and poly alkylene terephthalates G.2. The thermoformable products are made by melting and mixing the components of the composition. The resulting molten mass is cooled and granulated. The granulate is melted and sheets are extruded from the molten mass. Then the three-dimensional shape is formed by means of deep draw with the temperature of 150-220° C. EFFECT: production of compositions with excellent fire-proof properties and high heat resistance, which correspond to the fire safety regulations in accordance with ASTM E162 and ASTM E662. 6 cl, 1 tbl, 6 ex

Fire-retardant polycarbonate compositions with modified impact strength // 2439106
FIELD: chemistry.SUBSTANCE: composition contains the following in pts.wt: A) 40-78 branched aromatic polycarbonate and/or branched aromatic polyether carbonate; B) 1-25 graft copolymer; C) 9-18 talc; D) 11-20 oligophosphate based on bisphenol A as phosphorus-containing fire-retardant agent; E) 0-3 polytetrafluoroethylene as an additive for preventing droplet formation, and F) 0-1.5 thermoplastic vinyl (co)polymer and/or polyalkylene terephthalate. Copolymer (B) is obtained from B.1) 5-95 wt % one or more vinyl monomers per B.2) 95-5 wt % one or more graft bases selected from silicon rubber (B.2.1) and silicon-acrylate rubber (B.2.2), wherein the graft base has glass transition temperature lower than 10°C.EFFECT: invention enables to obtain a composition with excellent fire resistance and high heat resistance, meets high fire-prevention technical requirements according to ASTM E162 and ASTM E662 standards.11 cl, 1 tbl, 20 ex

Fire-retardant, impact resistant thermoplastic moulding composition // 2439105
FIELD: chemistry.SUBSTANCE: composition contains the following in %: a) 35-78% aromatic polycarbonate, b) 6-55% thermoplastic polyester - polyethylene terephthalate, c) 5-15% halogenated acrylate, d) 3-15% impact resistance modifier, e) 2-15% phosphate-containing compound and f) 0.05-0.5% fluorinated polyolefin. The acrylate contains repeating structural units of the following formula: in which R1, R2, R3, R4 and R5 denote hydrogen, alkyl or aryl, n ranges from 0 to 5, m ranges from 10 to 10000, and R denotes halogen. The phosphate-containing compound is selected from a compound of formula (III) O-P-[-OCH2C(CH2Br)3]3 (III) and compounds of formula , in which R1, R2, R3 and R4 denote C1-C8-alkyl, C5-C6-cycloalkyl, C6-C20-aryl or C7-C12-aralkyl, unsubstituted or substituted with alkyl, n equals 0 or 1, N equals 0.1-30, X denotes a mono- or polycyclic aromatic residue with C6-C30 or a linear or branched aliphatic residue with C2-C30.EFFECT: invention enables to obtain a composition with higher impact resistance and fire resistance.3 cl, 1 tbl, 4 ex

Light-scattering films and use thereof in flat screens // 2437907
FIELD: chemistry.SUBSTANCE: film consists of at least one layer. The layer contains the following in wt %: 80-99.99 transparent polycarbonate and 0.01-20 polymer particles with a "nucleus-shell" structure based on acrylate. The particles have average size ranging from 1 to 100 mcm. The film is co-extruded with thickness from 0.03 to 1 mm. The invention enables to obtain structured films with one shiny side. The surface of the structured film has glossiness from 0.5-20% (EN ISO 2813 standard, angle 60°) and roughness from 3 to 25 mcm (ISO 4288 standard). The shiny side of the film has glossiness more than 50% (EN ISO 2813 standard, angle 60°).EFFECT: improved film properties.5 cl, 2 tbl, 10 ex

Thermoplastic composition and articles having high impact strength and good appearance // 2434902
FIELD: chemistry.SUBSTANCE: composition contains the following, %: (A) 9.9-99.8 polycarbonate resin based on bisphenol A; (B) 0.1-90 polyethylene terephthalate, and (C) 0.1-30 grafted rubber, as well as 0.1 pts.wt heat stabiliser, 1 pts.wt dye and 0.7 pts.wt UV absorber. The grafted rubber consists of 30-80% substrate and 70-20% solid graft phase. The graft phase is obtained through copolymerisation of a monomer from a first group consisting of styrene, α-methylstyrene, styrene which is halogenated in the ring and styrene which is alkylated in the ring, and a monomer from a second group containing (meth)acrylonitrile and maleic anhydride, with the weight ratio of said monomers ranging from 90:10 to approximately 50:50. The substrate contains the following, %: (C1) 1-50 core of cross-linked polymerised vinyl monomer and (C2) 50-99 shell of cross-linked polymerised acrylate with glass transition point lower than 0°C.EFFECT: invention enables to obtain articles characterised by intense lustre, high impact strength and absence of tiger stripes.8 cl, 1 tbl, 4 ex

Polycarbonate moulding compounds // 2431649
FIELD: chemistry.SUBSTANCE: composition contains a mixture of a first graft polymer B and a second graft polymer C and, if necessary, (co)polymers, wherein the average molecular weight of the free (co)polymer in the graft polymer B is at least 32000 g/mol lower than the average molecular weight of the mixture of free (co)polymer C in the graft polymer C and (co)polymer D.EFFECT: composition is characterised by good hydrolysis resistance and processing stability.18 cl, 3 tbl
Polyamide moulding composition and method of producing multilayer composite material using polyamide moulding composition // 2429260
FIELD: chemistry.SUBSTANCE: moulding composition contains: 100 pts.wt polyamide and 0.005-10 pts.wt of a compound with at least two carbonate structural units. The moulding composition is meant for co-extrusion with a moulding composition based on a high-melting polymer with melting point of crystals Tm of at least 255°C and/or glass transition point of at least 180°C.EFFECT: obtaining multilayer composite materials of high quality, mainly optimum distribution of layers and walls on the thickness.6 cl, 2 tbl, 3 ex

Light-scattering polymer composition having high brightness and use thereof in flat screens // 2429258
FIELD: chemistry.SUBSTANCE: film is obtained from a polymer composition. The composition contains 90-99.95 wt % transparent thermoplastic - polycarbonate and 0.01-10 wt % transparent polymer particles on an acrylate base with a "core-cladding" structure with average diameter from 1 to 100 mcm. The film contains more than 500 mln-1 transparent polymer particles on the acrylate base with average diameter from 80 to 200 nm.EFFECT: invention enables to obtain films with high light transmission and light scattering.5 cl, 4 tbl, 7 ex

Polycarbonate moulding compositions // 2423398
FIELD: chemistry.SUBSTANCE: invention relates to thermoplastic polycarbonate moulding compositions for production of various moulded articles. The composition contains an aromatic polycarbonate and/or polyestercarbonate or a rubber-modified graft copolymer with content of lithium impurities of 0.8-8 parts per million. The copolymer is obtained via mass, solution or block-suspension polymerisation.EFFECT: invention enables to obtain a composition with low content of lithium ions and higher resistance to hydrolysis.20 cl, 2 tbl, 7 ex

Polycarbonates with good wettability // 2412956
FIELD: chemistry.SUBSTANCE: invention relates to a polycarbonate resin as substrate material for making transparent moulded articles. The polycarbonate resin is obtained using a continuous method on a phase boundary through phosgenation of bisphenols at temperature between 0 and 40°C with 8-17 mol % excess phosgene. The resin contains carbamate compounds of formula (I) in which R1 and R2 denote hydrogen or C1-C12 alkyl, mainly methyl, ethyl, propyl or butyl, or R1 and R2 together denote C4-C12 alkylidene, R3 and R4 denote, C1-C12 alkyl or phenyl, or R3 and R4, bonded with a carbon atom, together form cyclohexyl or trimethylcyclohexyl.EFFECT: invention enables to obtain polycarbonate resin with low content of carbamate compound impurities equal to 0,01-150 parts per million.9 cl, 1 tbl, 6 ex

Light-scattering shaped articles with high degree of light transmission and use thereof in flat screens // 2411269
FIELD: chemistry.SUBSTANCE: invention relates to a monolithic sheet for light scattering shaped articles used in flat screens. The sheet is made from a composition which contains (a) 80-99.99 wt % transparent polycarbonate with ISO 13468-2 light transmission greater than 88.5% (for sample thickness of 4 mm), and (b) 0.01-20 wt % poly(meth)acrylate particles with nucleus/shell morphology, particle size of 0.5-100 mcm, and refraction index different from the refraction index of transparent polycarbonate. The sheet does not contain a dye selected from a group comprising antanthrones, anthraquinones, benzimidazoles, diketopyrrolopyrroles, isoindolinols, perynones, perylenes, phthalocyanines, quinacridones, quinophthalones and their combinations, but additionally contains 0.001-0.2 wt % optical bleaching agent and 0.01-0.5 wt % UV-absorber.EFFECT: invention enables to obtain monolithic sheets with thickness of 2 mm with high degree of light transmission and brightness.9 cl, 1 tbl, 11 ex

Polycarbonates with good wettability // 2410400
FIELD: chemistry.SUBSTANCE: invention relates to a polycarbonate as substrate material for making transparent moulded articles. The polycarbonate is obtained through phosgenation of bisphenols at temperature 0-40°C and 5-17 mol % excess phosgene. The polycarbonate contains carbamate compounds of formula (1) , in which R1 and R2 denote hydrogen or C1-C12alkyl, or R1 and R2 - C4-C12 alkylidene or C4-C5 alkylidene, R3 and R4 denote hydrogen C1-C12 alkyl, mainly C1-C8 alkyl, phenyl, or R3 and R4, bonded to a carbon atom, together form cyclohexyl or trimethylcyclohexyl, R5 denotes hydrogen, C1-C12 alkyl, C5-C12 cycloalkyl, phenyl or cumyl.EFFECT: invention enables to obtain polycarbonate with low content of carbamate compound impurities equal to 0,2-300 parts per million.9 cl, 1 tbl, 8 ex

Substrate materials for transparent cast articles // 2410241
FIELD: metallurgy.SUBSTANCE: cast article representing an optical data storage of light dissipating glass comprises polycarbonate produced in interaction between, at least, one bisphenol and phosgene at phase interface. Surplus phosgene is used in amount of 8-17% per the sum of used bisphenols. Integrated intensity of electric field measured at 100 mm from cast articles produced during 5 minutes of continuous casting at pressure varied from -30 to 0 kV/m, preferably, from -20 to 0 kV/m.EFFECT: lower intensity of electrostatic field on cast article surface, higher quality of cast articles.7 cl, 2 dwg

Polyester composite material // 2408629
FIELD: chemistry.SUBSTANCE: material contains the following mixture, wt %: polyalkylene terephthalate - up to 100, polycarbonate 1-35, olefin polymer or copolymer - polyethylene, polypropylene, copolymer of ethylene with propylene 1-10, and synthetic wax 0.03-3, selected from a group comprising ester, amide or polyethylene wax. The material also contains 0.1-1 wt % thermal and thermo-oxidative decomposition stabiliser and 0.01-5.0 wt % colouring additive, which is also a polyalkylene terephthalate structuring agent.EFFECT: invention enables to obtain polyester composite materials with higher melt flow index.3 cl, 1 tbl, 21 ex

Polyethylene terephthalate composition for plastic cards // 2396297
FIELD: chemistry.SUBSTANCE: invention relates to polymer compositions suitable for making moulded articles, particularly a polyethylene terephthalate composition for making plastic cards. The invention describes a composition containing the following in wt %: polyethylene terephthalate or polyethylene terephthalate based copolymer - up to 100, polyacrylonitrile butadienestyrene 1-30, synthetic amide or ester wax 0.1-3.0, polyolefin 0.5-12, thermal and thermo-oxidative decomposition stabiliser 0.1-1.0 and colouring additive 0.02-7.0. The polyolefin used is polyethylene, polypropylene, copolymer of ethylene with propylene or octane, and(or) polyolefin which contains carboxyl or epoxy functional groups.EFFECT: composition improves mouldability of polymer articles and impact viscosity increases 1,8-5,5 times.1 cl, 1 tbl, 18 ex

aterial for plastic cards // 2396296
FIELD: chemistry.SUBSTANCE: invention relates to technology of polymer composite materials based on polyethylene terephthalate, particularly to making thin-walled articles like plastic cards. The described material contains the following in wt %: polyethylene terephthalate or polyethylene terephthalate based copolymer - up to 100, polymethacrylate as a modifying additive 1-50 and synthetic wax selected from amide, ester, polyethylene wax 0.05-1.5. The material also contains a thermal and a thermo-oxidative decomposition stabiliser, a colouring additive, an olefin polymer or copolymer and a functionalised olefin polymer or copolymer having carboxyl and epoxy groups.EFFECT: material enables to make articles with better mouldability, impact viscosity of the material increases 2-3 times compared to existing materials.4 cl, 1 tbl, 21 ex

Polycarbonate resin composition having good chemical resistance and fluidity // 2384595
FIELD: chemistry.SUBSTANCE: composition contains: (A) from 80 to 98.5 pts. wt polycarbonate resin, (B) from 0.5 to 10 pts. wt syndiotactic polystyrene resin, (C) from 1 to 30 pts. wt grafted copolymer of the "nucleus-shell" type and (D) from 0.01 to 10 pts. wt ester compound of phosphoric acid. The grafted copolymer (C) of the "nucleus-shell" type is obtained through grafting to a nucleus made from silicon rubber of one or more grafted components selected from a group consisting of C1-C8 alkyl methacrylic esters, C1-C8 methacrylic esters, maleic anhydride and maleimide substituted in the ring by C1-C4 alkyl or phenyl.EFFECT: polycarbonate resin composition has good chemical resistance, good fluidity and good impact resistance.9 cl, 2 tbl
ethod of producing polymer with nanostructures in matrix thereof and polymer // 2374274
FIELD: chemistry.SUBSTANCE: invention can be used in aerospace, automobile industry, in making optical lenses, surface modifiers of glass fibre. In accordance with the invention, the method involves the following stages: mixing a precursor polymer solution with a precursor nanostructure, with formation of a mixture; formation of a nanostructure in a mixture from the nanostructure precursor; and formation of a polymer from the precursor polymer solution so that, nanostructures are introduced into the polymer matrix. The precursor polymer solution can be polyvinyl alcohol, polyvinylbutyral, poly[bis(diethyleneglycol)diallylcarbonate], trimethylolpropane, methylene-bis(4-cyclohexylisocyanate), thiodiethanol. The nanostructure precursor is monobutyltin trichloride, indium acetate, indium-tin oxide, titanium isopropoxide, titanium dioxide. The nanostructures have a spherical, cubic type of polyhedrons, trihedral, pentagonal shape, diamond shape, rod and disc shaped.EFFECT: design of an efficient method of producing polymers, the matrix of which contains nanostructures.32 cl

Polymer mixtures for optical devices and method of their production // 2345891
FIELD: technological processes; physics.SUBSTANCE: method for production of film or sheet includes deformation of polymer alloy at the temperature, which is efficient to give double refraction delay equal to 350 nanometers or more to deformed alloy, where deformed polymer alloy has comets in amount of 0.25 comets/sq centimeter or less. The other version of method includes annealing of film or sheet that contain polymer alloy at temperature close to glass-transition temperature of polymer resin contained in alloy, at that deformed polymer alloy has comets in amount of 0.25 comets/sq centimeter or less. Composition contains the first polymer resin in amount from around 1 to around 99 wt %; and the second polymer resin in amount from around 1 to around 99 wt %. At that deforming force or energy is applied to polymer resins, and these forces are efficient to produce polymer alloy having double refraction delay equal to around 350 nanometers or more, or double refraction delay equal to around 150 nanometers or less. Methods of these inventions may be used to produce optical devices, films or sheets manufactured with specified properties.EFFECT: maximum elimination of comets and streaks in polymer alloys for optical film or sheet.21 cl, 5 dwg, 10 tbl, 3 ex

ethod for preparing polyamides // 2321609
FIELD: organic chemistry, chemical technology.SUBSTANCE: invention relates to a method for synthesis of aromatic polyamides. Invention describes a method for synthesis of aromatic polyamides by interaction of aromatic dinitriles with bis-phenols in the presence of antimony chloride (III) and aluminum chloride and bromide at temperature 170-220°C for 21-30 h. Invention provides increasing solubility, thermal stability and physicochemical indices of polyamide materials. Proposed polyamides can be used in different technique branches as highly strength and highly temperature-stable binding agents for plastics, fiber glass, glues and films.EFFECT: improved method of synthesis.2 tbl, 4 ex

Polycarbonate resin composition for use in production of substrate for optical information carrier // 2297430
FIELD: polymer materials.SUBSTANCE: polycarbonate resin composition contains 100 wt parts (A) aromatic polycarbonate resin having weight-average molecular weight between 13000 and 18000, wherein aromatic polycarbonate resin (A) is prepared via subjecting an aromatic dihydroxy compound and carbonic acid ester to reesterification reaction and resin thus obtained is essentially chlorine-free; and 0.01-0.1 wt parts (B) partial ester prepared from saturated aliphatic carboxylic acid having 10-30 carbon atoms and bi- to hexaatomic alcohol, wherein partial ester (B) has acid number between more than 5 and 20 mg KOH.EFFECT: enabled preparation of substrate showing high mechanical strength and capable of suppressing dullness and suitable for high-cyclic formation.4 cl, 1 tbl, 7 ex

Thermoplastic polymer containing composition // 2293749
FIELD: polymer materials. SUBSTANCE: invention relates to compositions containing thermoplastic polymers and benzotriazoles as UV absorbers as well as to products obtained from these compositions. These products are, in particular, layered plates with their one or both outside layers containing composition made up of polycarbonate, between 0.1 and 15% of one or several different compounds having general formula I: (I) and between 0.0001 and 0.4% of one or several different compounds having general formula II: (II).EFFECT: improved quality of plate surface obtained using extrusion technique due to optimized compositions while preserving required anti-UV protection of plates.8 cl, 1 tbl

Polymer composition and heat-resistant parts (variants) // 2291876
FIELD: polymer materials.SUBSTANCE: group of inventions relates to structural polycarbonate-based plastics and items molded therefrom. A heat-resistant part is provided consisting of polycarbonate copolymer, which gas 5 to 95 mol % of repetitive units (component "a") described by general formula I: (I) and 95 to 5 mol % of repetitive units (component "b") described by general formula II: (II), where each of Ra-Rd independently represents hydrogen atom, hydrocarbon group optionally substituted with aromatic radical having 1 to 9 carbon atoms, or halogen atom, an W is alkyl group optionally substituted with aromatic radical having 1 to 9 carbon atoms. Provided are also a part for solder-fusion soldering, a part for light beam trajectory transformation, optical disk, plastic mirror, conductive polymer composition and electronic part transportation pan containing the latter.EFFECT: increased heat resistance and dimension-retention capability.34 cl, 2 dwg, 9 tbl, 36 ex
Fire proof thermoplastic composition and article made of the same // 2283327
FIELD: polycarbonate-based fire proof thermoplastic composition.SUBSTANCE: claimed composition contains (mass pts): polycarbonate 81-92; modified polybuthyleneterephthalate 7-15; decabromodiphenyl oxide modified with terephthalic acid 1-4. Article made of said composition also is disclosed.EFFECT: composition of low combustibility, fume evolution and melt viscosity and high deformation characteristics; articles with balanced combination of fire safety, physical, chemical and ornamental properties.3 cl, 4 ex, 2 tbl

Polycarbonate-containing thermoplastic moldable combined material, method for its preparing, its using and refractory molded article made of polycarbonate // 2283237
FIELD: chemical technology.SUBSTANCE: invention relates to polycarbonate-containing refractory thermoplastic moldable composite consisting of at least two layers. At least one layer prepared from polycarbonate shows LOI index less 29 and at least one layer prepared from a mixture containing polycarbonate and 10% of antipyrene, not above, shows LOI index exceeding 29. Also, invention relates to a method for preparing the refractory thermoplastic moldable composite and refractory molded article made of polycarbonate. Invention provides preparing thermoplastic material from polycarbonate that can be used for making refractory molded articles made of polycarbonate possessing the attractive and functional surface structure being without using universal dyes.EFFECT: improved preparing method, valuable properties of material and articles.13 cl, 23 tbl, 2 dwg, 6 ex

Polycarbonate-containing compositions // 2266933
FIELD: organic chemistry, in particular polycarbonate-containing moldable composition.SUBSTANCE: claimed composition contains polycarbonate and additionally one or more various compounds of general formula 1a 1, wherein a = 1-20; b = 1-25; c = 10-40, and one or more various compounds of general formula 1b 2; wherein a' = 0; b' = 1-25; and c' = 10-40. Total content of (1a)+(1b) is from 0.01 to 1.0 mass %. Also disclosed are article and multilayered article obtained from composition of present invention.EFFECT: moldable composition useful in production of articles without surface damages.10 cl, 1 ex, 1 tbl

Container of branched polycarbonate for storage and transportation of liquids, solids, or gases, and branched polycarbonate // 2266922
FIELD: chemical engineering.SUBSTANCE: invention relates to container made of bisphenol-based branched polycarbonate. In production of polycarbonate, phenol, alkylphenols, or arylphenols containing branches in amount 0.05 to 2 mol % relative to bisphenol are used as chain-termination agents. Polymer is characterized by viscosity of melt 6500-8000 Pa.s at 260°C and shear rate 10 s-1 and 880-1500 Pa.s at 260°C and shear rate 1000 s-1, coefficient of melt flowability 0.1 to 3.1 g/10 min.EFFECT: increased strength of polymer material under great mechanical loadings.9 cl, 4 tbl, 12 ex
 
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