Polyvinyl chloride-based wood-polymer composition for profiled-trim moulding articles |
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IPC classes for russian patent Polyvinyl chloride-based wood-polymer composition for profiled-trim moulding articles (RU 2436816):
 Composites containing natural fatty acid-based acrylate hybrid resin / 2435807
Product contains the following in wt %: 1-50 modified hybrid resin based on natural fatty acids and 99-50 natural material selected from cellulose, wood, wood fibre, flax, hemp, starch and another natural fibre or combinations thereof. The product can contain 20-80 wt % thermoplastic, 30-70 wt % binder or natural adhesive. The hybrid resin is obtained via water-emulsion polymerisation of an acrylate monomer - butylacrylate, methyl methacrylate or butylacrylate, on an alkyde resin based on fatty acids in the presence of a radical initiator at 30-100°C. Fatty acids are selected from tall oil, suberin fatty acids, cutin fatty acids, vegetable oils and mixtures thereof. The composite product is obtained by mixing acrylate hybrid and natural material or combination thereof. Further, the product is moulded and hardened under heat at 120-200°C until a composite product of the given type is obtained.
 Moulding composition for slab materials for protective and structural purpose and method of preparing said composition / 2434907
Moulding composition contains an aggregate made from carbon-containing crushed plant and/or synthetic fibre material, binder made from inorganic polymers and a target additive. The inorganic polymers used in the composition are metal phosphates with aluminium, chromium, boron and magnesium cations and anions РО4 --- or metal silicates with sodium, potassium and lithium cations and with anions SiO3 --, pre-modified with solutions of organic bases with an amide bond and/or oxides or trihydrates of aluminium oxide or mixtures thereof. The target additive is a water repellent or hardener or surfactant. The aggregate, working solution of the binder and target additive are prepared first. The aggregate is treated with the working solution, dried and moulded into briquettes.
 Improved lubricant composition for cellulose-thermoplastic composite / 2434904
Composition contains the following, wt %: 0.05-6.9 (a) bisamide of saturated fatty acid with the structure:
 Composite containing natural fatty acid-based modified hybrid resin / 2433151
Invention relates to composite products, particularly a composite panel containing hybrid resins based on natural acids, as well as a method of producing a composite product. The product contains the following in wt %: 1-50 modified hybrid resin based on natural fatty acids and 99-50 natural material selected from cellulose, wood, wood fibre, flax, hemp, starch and another natural fibre or combinations thereof. The product can optionally contain 20-80 thermoplastics, 30-70 binder or natural adhesive. The hybrid resin is obtained via condensation of a mixture of natural C12-C20 fatty acids modified with maleic acid or anhydride, and an alkyde resin based on fatty acids of tall oil, suberin fatty acids, cutin fatty acids, plant oil or mixtures thereof. Properties of the panel are achieved using modified hybrid resins in form of a stable aqueous emulsion as binding materials and compatibilisers.
 Wood-polymer composition for polyvinyl chloride based articles / 2431648
Wood-polymer composition for articles contains polyvinyl chloride, wood flour, calcium-zinc complex stabiliser and the composition can additionally contain a metal-containing lubricant obtained via reaction of higher monocarboxylic acids with glycerine at 130-230°C in molar ratio 1:(1-2) in the presence of oxides of divalent metals Ca, Zn, Mg or other two-component mixtures in weight ratio 0.25-1.0:0.5-1.0 and polyethylene wax.
 Method and system to catch wood fibre from industrial waste waters in production of fibreboards / 2430886
Invention may be used to extract, recycle and process wood wastes in process of fibreboards production. The method includes supplying waste waters downstream pouring-forming machine into an accumulating-balancing reservoir, its pumping along a bypass pipeline into a disperser with simultaneous air supply from atmosphere into the bypass pipeline, formation of air and water mixture passing through the disperser, supply of air and water mixture into a dynamic absorber to create floating complexes, their supply into a receiving chamber of a flotation plant, separation into foam sent to the pouring-forming machine and treated water supplied to the accumulator. The system for method realisation comprises an accumulating-balancing reservoir for collection of waste waters, a bypass pipeline and a disperser to create air and water mixture, a dynamic absorber to form floating complexes, a floatation plant with a receiving chamber, a foam-producing mechanism and a foam-collecting pocket to separate caught fibre in the form of foam and an accumulator of treated water.
 Method of preparing cellulose-containing polymer super-concentrate and composite materials based on said super-concentrate / 2424263
Method involves plastification with extrusion of dispersion components, and specifically cellulose filler and thermoplastic polymer matrix. The thermoplastic polymer matrix consists of high-density polyethylene, a compatibiliser in form of graft polyolefin and a lubricant. The lubricant used is pre-ozonised polyethylene homologues in form of super-molecular polyethylene, low-density linear polyethylene and ethylene vinylacetate in ratio of 1:3:5. The graft polyolefin used in the compatibiliser is high-density polyethylene to whose molecular structure glycidyl methacrylate is grafted. Use of such a compatibiliser increases energy compatibility of dispersion components used in preparing a cellulose-containing polymer super-concentrate. The composite material contains a polymer and a super-concentrate with 30-70 wt % content of the super-concentrate.
Method of producing new fuel / 2422480
Invention relates to method of fuel production. Fuel is produced in mixing lignin with metallurgy wastes. Note here that lignin moisture content may vary. Chips of steel and foundry iron parts and scale are used as metallurgy wastes. Said mix comprises lignin in amount of 70-90 wt % and scale in amount of 10-30 wt %.
Method of producing nontoxic chipboards / 2422267
Invention relates to woodworking industry. Proposed method comprises preparing wood particles, drying and sorting them, making modifying carbamide-formaldehyde resin-based binder, mixing it with wood particles, producing carpet and moulding plates. Carbamide-formaldehyde resin modifier is made up of PVAC dispersion-based composition with ratio of components in wt % as follows: carbamide-formaldehyde resin - 67-92; PVAC dispersion - 5-20; carbamide - 1-5: plasticiser - 1-5, and curing agent - 1-3.
 Application of fat soft waxes as oil-wetting agents in timber articles, timber articles thus produced, and method of fat soft waxes injection in timber articles / 2420396
Invention relates to using wax water dispersion as oil-wetting agent in producing wood-base materials. Wax dispersion contains soft wax with content of oil exceeding 20% by wt as solid phase or its component. Note here that soft wax is solid at, at least, 10°C and below, and features softening temperature below 65°C, and contains 0.5-10 % by wt of urea per wax dispersion weight. Soft wax-to-urea weight ratio varies from 100:0.3 to 100:6. Wax dispersion is brought in contact with wood chippings or fibers. Invention covers also wood-base material produced in using binders, soft wax and urea, and method of its production.
 Extrusion facilitating polyvinylidene fluoride-based agent / 2433149
Invention relates to a processing additive for extrusion of polyolefins or thermoplastic resins. The composition contains at least one fluoropolymer (A), at least one inter-phase agent (B) and at least one stabiliser (C). The invention also relates to an extrusion method, which involves: (i) bringing the composition in solid state, as described above in any of claims 1-13, into contact with polyolefin or thermoplastic resin and (ii) extrusion of the mixture obtained at step (i) to obtain a film, pipe, relief or hollow body.
Wood-polymer composition for polyvinyl chloride based articles / 2431648
Wood-polymer composition for articles contains polyvinyl chloride, wood flour, calcium-zinc complex stabiliser and the composition can additionally contain a metal-containing lubricant obtained via reaction of higher monocarboxylic acids with glycerine at 130-230°C in molar ratio 1:(1-2) in the presence of oxides of divalent metals Ca, Zn, Mg or other two-component mixtures in weight ratio 0.25-1.0:0.5-1.0 and polyethylene wax.
Pvc-based plasticised compositions / 2431647
Stable plasticised composition contains C4-C30-alkyl-pyrrolidone with a straight, branched or cyclic alkyl radical in amount ranging from more than 10 phr to 400 phr (parts per 100 parts of PVC), sufficient for plasticising said PVC to a flexible state. The PVC product is characterised by Shore hardness (scale A) less than 100 and is in form of calendered sheet, plastisol, foam, dispersion, film, siding, tube or pipe.
 Polyvinyl chloride composition for producing film materials / 2429255
Polyvinyl chloride composition for producing film materials contains suspended polyvinyl chloride, a mixture of plasticisers di-(2-ethylhexyl)phthalate, di-(2-ethylhexyl) sebacate, a complex metal-containing stabiliser - complex Ba-Zn stabiliser, filler - chalk, titanium dioxide, cellulose, lubricant - calcium stearate, pigments, polymer modifier - copolymer of vinyl chloride and vinyl acetate (VA-5) and a mixture of an oligomeric plasticiser based on a mixture of adipic or phthalic esters, n-butyl alcohol, 2-ethylhexanol and polypropylene glycol - component A with a surfactant which contains oxyethylated monoalkylphenol based on trimers of propylene - component B in ratio A:B equal to (11.5-18.23):1.
 Polymer composition / 2425072
Polymer composition contains suspended polyvinyl chloride or suspended polyvinyl chloride C-01 wastes, ester plasticiser dioctylphthalate or butylbenzylphthalate, tribasic lead sulphate, calcium stearate, stearic acid, chalk, soot, hexachlorobenzene, obtained from perchloroethylene production wastes, and if needed, chlorinated C14-C32 hydrocarbon fractions containing 45-52% chlorine and diphenylol propane.
 Method of producing highly filled polyvinyl chloride-based plastisol / 2412962
Invention relates to processing polyvinyl chloride through dispersion, particularly to production of highly filled adhesive plastisols used in making protective coatings in motor-car construction, as anticorrosion protection of inner surfaces of metal structures. The method of producing highly filled plastisol based on polyvinyl chloride involves successive addition and mixture in a mixer of di(2-ethylhexyl)phthalate, triethylene glycol dimethacrylate, isopropylbenzene hydroperoxide, half of the given amount of kaolin, calcium strearate, polyvinyl chloride and the remaining amount of kaolin. Aliphatic silicon acrylate, diatomite and NGZ-4 phosphate hydraulic fluid are added before adding polyvinyl chloride, and after adding the remaining amount of kaolin, a polysulphide oligomer - liquid thiocol II with weight ratio of SH groups of 1.7-2.6% and molecular weight of 2100 is added.
 Method of producing highly filled polyvinyl chloride-based plastisol / 2412961
Invention relates to processing polyvinyl chloride through dispersion, particularly to production of highly filled adhesive plastisols used in making protective coatings in motor-car construction, as anticorrosion protection of inner surfaces of metal structures. The method of producing highly filled plastisol based on polyvinyl chloride involves successive addition and mixture in a mixer of di(2-ethylhexyl)phthalate, triethylene glycol dimethacrylate, isopropylbenzene hydroperoxide, half of the given amount of kaolin, calcium strearate, polyvinyl chloride and the remaining amount of kaolin. Hexafunctional oligourethane acrylate, diatomite and NGZ-4 phosphate hydraulic fluid are added before adding polyvinyl chloride, and after adding the remaining amount of kaolin, a polysulphide oligomer - liquid thiocol II with weight ratio of SH groups of 1.7-2.6% and molecular weight of 2100 is added.
 Method of producing highly filled polyvinyl chloride-based plastisol / 2412960
Invention relates to processing polyvinyl chloride through dispersion, particularly to production of highly filled adhesive plastisols used in making protective coatings in motor-car construction, as anticorrosion protection of inner surfaces of metal structures. The method of producing highly filled plastisol based on polyvinyl chloride involves successive addition and mixture in a mixer of di(2-ethylhexyl)phthalate, isopropylbenzene hydroperoxide, half of the given amount of kaolin, calcium strearate, polyvinyl chloride and the remaining amount of kaolin. Hexafunctional oligourethane acrylate, diatomite and NGZ-4 phosphate hydraulic fluid are added before adding polyvinyl chloride, and after adding the remaining amount of kaolin, a polysulphide oligomer - liquid thiocol II with weight ratio of SH groups of 1.7-2.6% and molecular weight of 2100 is added.
 Method of producing fire-resistant polyvinylchloride materials / 2411265
Invention relates to production of fire-resistant plasticised polyvinylchloride materials and can be used in production of fire-proof polymer materials and coatings. In the method of producing fire-resistant polyvinylchloride materials, the plasticiser-antipyrenes used are bis-(2-dialkoxyphosphorylethyl)benzenes which contain four ether groups and two complete (secondary) phosphate groups.
Polymer-rubber composition for making rail and sleeper pads for damping rail braces / 2407761
Rubber composition contains the following in pts. wt: synthetic nitrile rubber SKN-26 or SKN-26 ASM 100, suphur 0.5-2.5; an acceleration group: thiuram D 0.5-2.5, N,N'-dithiomorpholine 2-4, vulcanisation activator: zinc oxide 1.5-5.0; filler: technical carbon P-514 15-30, technical carbon T 900 55-75, white soot BS-100 5-20, plasticiser: dibutyl sebacate 5-15, polyvinyl chloride EP-6602s 10-25, diaphene FP 1-3, stearic acid 0.5-2.5.
Composite material for shielding electromagnetic emission and a method for manufacture thereof / 2243980
Invention discloses a method for manufacturing composite material for shielding-mediated protection against electromagnetic emission and can be used in electronics, in radio engineering, and also in a series of special-destination articles. In addition, material may be used for anechoic boxes and in various assemblies of technical devices and radio apparatuses. Method comprises mixing modified graphite-containing conducting filler and polymeric binder at weight ratio (50-80):(20-50). Once ingredients combined, mixture is additionally subjected to thermal expansion in thermal shock mode at 250-310оС and then molded. Polymeric binder is selected from polyolefins, polystyrene, fluoroplastic, polyvinylchloride paste and modified graphite is product obtained by modifying graphite with concentrated sulfuric and nitric acids. Material is characterized by that, in wavelength band from 2 to 5 cm at thickness of material up to 0.1 mm, transmission coefficient is decreased from -40 to -85 dB.
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FIELD: chemistry. SUBSTANCE: polyvinyl chloride-based wood-polymer composition for profiled-trim moulding articles contains polyvinyl chloride, wood flour, a complex stabiliser, an acrylic modifier, polyethylene wax and a metal-containing lubricant. The metal-containing lubricant used in the composition is obtained by reacting higher monocarboxylic acids with glycerin at 130-230°C at molar ratio 1:(1-2) in the presence of oxides of divalent metals Ca, Zn, Mg or their two-component mixtures in weight ratio 0.25-1.0:0.5-1.0 in amount of 0.5-2.0 wt % of the overall reaction mass, where the higher monocarboxylic acids used are VIK, oleic and stearic acid. The composition also uses polyethylene wax with melting point not higher than 100°C. The complex stabiliser used is selected from: BAEROPAN R 9003 (produced by Baerlocher GmbH, Germany) or Naftosafe PEK 922 B (produced by Chemson, Austria). The acrylic modifier used is impact-resistant modifiers selected from: MB-87, DURASTRENGTH D320, DURASTRENGTH D300S (produced by Arkema, France), Metablen P-5500S (produced by Dangdong), Paraloid BTA 736H-S OS (produced by Rohm & Haac), Kane ACE F50 (produced by Kalek), Lariks on TU 2216-235-05757533-2000. EFFECT: high quality of profiled-trim moulding articles, which is expressed by improved operational and technological parameters, specifically melt flow index, thermal stability, impact viscosity, low water absorption and environmental safety of the composition. 2 cl, 1 tbl
The invention relates to the chemistry of polymers, namely wood-polymer compositions based on polyvinyl chloride, which can be used for molding products. A known method of manufacturing driveplate on the basis of two-component binder, which includes the determination of the characteristic parameter of the binder and the mixture of its components with the filler, where the characteristic parameter to determine the coefficient of linear thermal expansion of thermoplastic, and the mixture of binder components with filler start with a thermoplastic having a lower coefficient of linear expansion. As thermoplastics used low-density polyethylene 15803-020, high-density polyethylene 277, polyvinyl chloride PVC E - G, polystyrene SAR-325, secondary polyethylene [AC USSR N 1666306, CL B27N 3/02, 1991]. The disadvantage of this composition is a multi-stage and complexity of technology for driveplate, as well as low thermal stability of the compositions with PVC due to the lack of their composition stabilizers. Known wood-polymer composition on the basis of emulsion polyvinyl chloride, including dioctylphthalate; epoxydecane soybean oil; pigment; the filler is wood flour treated with a mixture of white spirit and oligoastrocytoma; OLE the new acid. Wood-plastic composition intended for the manufacture of products by rotational molding [EN 1052519, publ. 1983.07.12, bull. No. 41]. Known wood-plastic composition, including the composition of the dispersed woody plant filler, a thermoplastic polymer binder, a polyelectrolyte, a crosslinking agent, organic peroxide, targeted supplements. As thermoplastic resin in the polymer composition used polyvinyl chloride. For processing the famous wood-plastic composition in the product use and extrusion method. A disadvantage of known composition is a low impact strength, relatively high water absorption, low tensile strength in bending [EN 2132347, publ. 1999.06.27]. Known wood-plastic composition based on polyvinyl chloride, including dioctylphthalate, barium stearate and zinc, wood filler and additive in the form of chopped straw. A disadvantage of the known polymeric composition is low operational and technological characteristics [EN 22048491, publ. 1995.11.20]. Closest to the claimed invention is a polymer composition comprising a thermoplastic polymer, an organic filler and additives target. As thermoplastic polymer contains a polymer selected is from the group includes vinyl-based polymers of vinyl chloride and its copolymers with vinyl acetate ethylene, propylene, copolymers based on methyl methacrylate or mixtures thereof. As the organic filler is cellulose waste wood, agricultural and textile production, with fractional composition of 0.1 to 8 mm, the ratio of the components in a known polymeric composition, wt.%: the specified polymer 31,5-45,0 specified organic filler 50-65 additives target of 0.3-5 As the target additives used stearinovokisly calcium, stearinovokisly barium, stearin and paraffin technical [RF Patent №2005752, CL C08L 97/06, 1994]. The disadvantages of this composition is a low impact strength, thermal stability, fluidity of the melt, high water absorption, in addition, the composition does not provide ecological safety of polymer products due to the toxic stabilizer-stearinovokisly barium. The objective of the invention is the improvement of impact strength, thermal stability, melt flow, reduced water absorption, as well as ensuring environmental safety of the composition for molding products. The technical result in the use of the invention is expressed in improving the quality molding products. In sukatani technical result is achieved by the feature of wood-polymer composition for molding products based on polyvinyl chloride, wood flour and including a stabilizer consisting in that the polymer composition comprising a non-toxic complex of calcium-zinc stabilizer further comprises an acrylic modifier, metal-containing lubricant and a polyethylene wax in the following ratio of components, parts by weight:
In the polymer composition is used: - PVC suspension brand-5868 mud, M according to GOST 14332-U, PVC-G on THE 2212-241-00203312-2004, PVC-G on THE 2212-235-00203312-2003, PVC-R, PVC-U on THE 2212-186-02203312-98; wood flour according to GOST 16361 or any other wood flour, meet the qualitative characteristics of the claimed composition; - acrylic impact modifier strength grades: MV-87, DURASTRENGTH D320, DURASTRENGTH D300S, produced by Arkema, France, Metablen P-5500S, proizvodstvoother Dangdong, Paraloid BTA 736H-S OS, produced by Rohm &Naas, Kane ACE F50, produced by Kaneka, Lakes 95 on THE 2216-235-05757533-2000 or any other acrylic modifier, designed for processing unplasticized PVC; - polyethylene wax with a melting point not higher than 100°C; - metal-containing lubricant obtained by the interaction of higher monocarboxylic acids with glycerol at 130-230°C at a molar ratio of 1: (1-2) in the presence of oxides of divalent metals Ca, Zn, Mg or a two-component mixtures in a weight ratio of 0.25 to 1:0.5 to 1 in the amount of 0.5-2.0 wt.% of the total reaction mass, where as higher monocarboxylic acids use: VIC, oleic, stearic acid [RF Patent №2348664, CL C08L 27/06, 2009; Patent RF №2260020, CL C08L 27/06, 2005]. As a non-toxic stabilizer composition comprises a non-toxic complex calcium-zinc stabilizers brands: BAEROPAN R 9003 (producer-"Baerlocher GmbH, Germany), Naftosafe RNH 922 (producer - "Kimson", Austria), designed for the extrusion of technical profiles of wood-polymer compositions. The invention is illustrated by the following examples. Example 1. Wood-polymer composition for molding products obtained as follows. Polyvinyl chloride is mixed with an integrated stabilizer, polyethylene wax, acrylic is the first modifier, metal-containing grease in a hot mixer with a gradual heating up to 120°C, then the composition is discharged into cool mixer and mixed with wood flour. Cooled to 40-60°C composition is fed into a hopper, from which it is continuously loaded into the extruder as its processing into pellets. Pellets used for molding products. Samples for testing are prepared by the method of rolling. The melt flow index (MFR) determined according to GOST 11645-73. thermal stability of the sample is determined according to GOST 14041-91 at a temperature of 180°C. Water absorption and hardness is determined according to GOST 19111-77, impact strength Charpy according to GOST 4647-80. In table 1 examples of wood-polymer compositions, indicating component and the quantitative composition and test results of the samples on technological parameters. Examples 1-14 - invention No. 15 on the prototype. In the use of wood-polymer compositions of the claimed components in the respective amounts improve operational and technological parameters, namely, the melt flow index, thermal stability, impact strength, reduced water absorption. Use in the composition of wood-polymer compositions are non-toxic stabilizers ensures ecological safety of the finished product is s, expands the boundaries of the spheres of their use and increases the competitiveness of products.
1. Wood-plastic composition based on polyvinyl chloride for molding products, including wood flour, stabilizer and the target additive is a lubricant, characterized in that the composition contains a comprehensive non-toxic calcium-zinc stabilizer, acrylic modifier, polyethylene wax, and as the lubricant contains a metal-containing lubricant obtained by the interaction of higher monocarboxylic acids with glycerol at 130-230°C at a molar ratio of 1:(1-2) in the presence of oxides of divalent metals (CA, Zn, Mg or a two-component mixtures in a weight ratio of 0.25 to 1.0:0.5 to 1.0 and in the following ratio of components, parts by weight:
2. Wood-polymer composition according to claim 1, distinguishing the I, what song is used a polyethylene wax with a melting point not higher than 100°C.
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