A method of obtaining a patterned material electroplating
FIELD: polymerization processes.
SUBSTANCE: invention relates to two-component composition used to initiate curing of one or more polymerizable monomers that are cured when affected by free radicals, which composition consists of organoborane-amino complex and an isocyanate capable of destroying organoborane-amino complex, wherein equivalent ratio of amine nitrogen atoms to boron atoms ranges from more than 4.0:1 to 20.0:1. In another embodiment of invention, subject of invention is two-component composition for use as sealing materials, coatings, primers for modifying polymer surfaces, and as molded resins, which composition consists of component 1: organoborane-amino complex wherein ratio of amine nitrogen atoms to boron atoms ranges from more than 4.0:1 to 20.0:1; component 2: one or more monomers, oligomers, or polymers having olefinic instauration, which are able of being subjected to free-radical polymerization; and effective amount of an isocyanate, which can initiate dissociation of complex to free borane for initiation of polymerization of one or more monomers, oligomers, or polymers having olefinic instauration, provided that complex dissociation initiator is stored separately from complex until initiation of polymerization becomes desirable. Such compositions are handling safe, i.e. they are not self-inflammable, stable at or near ambient temperature and so they do not initiate polymerization at or near ambient temperature in absence of complex dissociation initiator. Polymerized composition show good cohesion and adhesion strength. Described are polymerizable composition polymerization process, method of gluing two or more substrates using polymerizable composition; method of modifying polymer surface having low surface energy using polymerizable composition, as well as coating and laminate containing polymerizable composition.
EFFECT: enlarged resource of polymerizable compositions and expanded application areas thereof.
10 cl, 2 dwg, 4 tbl
SUBSTANCE: composition contains epoxy diane resin, oligoether acrylate, curing agent, initiator and solid filler. The filler is silica gel or aerosil. The initiator is in form of benzoin or dimethoxyphenyl acetophenone ethers. Oligoether acrylate is selected from a group of dimethacrylate ethers. The curing agent used is aliphatic or aromatic diamine and aliphatic or aromatic tertiary amine. The photocurable adhesive composition is obtained by mixing all components until their complete dissolution. The obtained mixture is put between glued surfaces and exposed to UV light for not less than 5 min. Further, thermal post-polymerisation is carried out at temperature not higher than 50°C, followed by cooling and holding. The invention is used in production of organic light-emitting diodes to prolong their service life.
EFFECT: good adhesion to glass, weather resistance, low chemical aggressiveness, high water resistance and crack resistance when pressed between glass plates.
8 cl, 3 tbl, 3 ex
SUBSTANCE: adhesive tape includes adhesive polymeric resin on acryl basis and conductive fillers. Adhesive polymeric resin includes polymer obtained by copolymerisation of alkyl acrylate monomer having C1-C14 alkyl group with polar copolymerised monomer. Conductive filler is chosen from the group consisting of precious metals, base metals, precious or base metals with coating from precious metals, precious and base metals with coating from base metals, non-metals with coating from precious and base metals, conductive non-metals, conductive polymers, and their mixtures. Conductive fillers are oriented in adhesive tape both on longitudinal and in transverse directions. Electrically conducting adhesive tape is obtained by mixing monomers for preparation of adhesive polymeric resin with conductive fillers. Mixture in the form of sheet is formed. Both surfaces of the sheet are illuminated with light in order to perform photochemical polymerisation of adhesive polymeric resin. Each surface of the sheet is illuminated with light of various intensity. Light is emitted selectively to some part of the sheet of surface. Adhesive tape has flexibility and more effective electric conductivity.
EFFECT: adhesive tape can be used in electronic components, as adhesive tape screening electromagnetic waves, which provides the possibility of easy attachment and detachment.
18 cl, 3 tbl, 6 ex
SUBSTANCE: composition contains the following in wt %: 5-80 polyester A copolymer obtained as a result of condensation with itaconic acid; 5-80 (meth)acrylate homopolymer and/or copolymer B consisting of more than 50 wt % monomers of formula I where R1 denotes hydrogen or methyl and R2 denotes an alkyl residue, an aliphatic or aromatic residue with 1-5 carbon atoms and 10-80 graft copolymer from type A polymer and type B polymer (polymer AB). Polyester A has a straight or branched structure with OH number from 5 to 150 mg KOH/g, and acid number less than 10 mg KOH/g, and number-average molecular weight 700-25000 g/mol. Content of itaconic links in the polyester copolymer per total content of polycarboxylic acids ranges from 0.1 mol % to 20 mol %.
EFFECT: invention enables to obtain well compatible polymer structures which do not contain styrene or derivatives thereof, based on a polyester graft polymethacrylate copolymer.
17 cl, 3 tbl, 9 ex
SUBSTANCE: described is an adhesive composition for gluing to metal, containing: (a) at least one methacrylate radical polymerisation monomer; (b) an ambient temperature radical polymerisation initiator system containing at least one oxidant and at least one reducing agent; (c) a photoinitiator; and (d) an epoxy compound; where the adhesive will at least partially solidify at temperature between 10 and 40°C through a radical polymerisation catalyst system which is activated at ambient temperature. Described also is a two-component curing adhesive for gluing to metal, containing: (a) a first component containing (i) at least one methacrylate radical polymerisation monomer, (ii) at least one reducing agent and (iii) a photoinitiator and (b) a second component containing an oxidant which is reactive at ambient temperature with respect to the reducing agent and forms free radicals capable of initiating radical polymerisation and facilitate chain growth, and an epoxy compound; where the adhesive will at least partially solidify at temperature between 10 and 40°C through a radical polymerisation system activated at ambient temperature.
EFFECT: obtaining an adhesive which does not require additional heat for initiating curing.
24 cl, 6 ex
SUBSTANCE: invention relates to polymer chemistry and specifically to adhesive compositions based on a copolymer of butyl methacrylate and methacrylic acid, used for bonding different substrates (metal, wood, ceramic etc.). The adhesive composition contains (pts.wt) 20.0-30.0 copolymer of 95 wt % butyl methacrylate with 5 wt % methacrylic acid (BMK-5); 3.0-10.0 organic silane of formula (C2H5O)4-n-Si-[OSi(OC2H5)3]n, where n=0-2; 0.5-3.0 water; 2.0-10.0 aerosil and an organic solvent - 46.99-67.5.
EFFECT: use of the organic silane of given formula and water in the adhesive composition increases adhesive strength and heat resistance of the adhesive composition based on the BMK-5 copolymer.
2 tbl, 17 ex
SUBSTANCE: invention relates to pressure sensitive adhesives, suitable for use on a wide variety of substrates, including both high surface energy and low surface energy substrates. Pressure sensitive adhesives comprise an acrylate polymer and surface-modified nanoparticles. The surface-modified nanoparticles comprise a nanoparticle comprising a silica surface and surface modifying groups, covalently bonded to the silica surface of the nanoparticle. At least one surface modifying group is a polymeric silane surface modifying group. At least one surface modifying group is a non-polymeric silane surface modifying group.
EFFECT: disclosure also provides a method of preparing pressure sensitive adhesives, including exposing them to UVA and UVC radiation.
21 cl, 2 dwg, 12 tbl
SUBSTANCE: group of inventions relates to an aqueous adhesive composition for gluing various paper products, as well as to a method of producing a substrate, on which a paper label is placed, to a pasted label having resistance to a mixture of ice water and a method of removing a paper label from the substrate. The aqueous adhesive composition includes emulsion polymer and epoxysilane in predetermined amounts, and the adhesive composition contains substantially no crosslinking reagent. The method of producing a substrate, on which the paper label is located, involves producing an adhesive composition and applying this composition to the paper label, then drying it, and applying a label with the adhesive to the substrate. The method of removing a paper label from the substrate includes fabricating the substrate and processing the label to remove it.
EFFECT: stability in ice water and removability of labels.
3 cl, 1 tbl, 4 ex
FIELD: textile industry, in particular, finishing of articles and materials for various purposes with pile patterns by electric flocking process.
SUBSTANCE: method involves producing patterns of predetermined shape by forming pile pattern at zone separation boundary provided that separation boundary potential is equal to U1-Uh1/h, where U is potential of upper boundary of flocking zone, h1 is height of lower flocking zone, h is height of entire flocking zone. This is provided by sequentially applying piles of different color in electric field divided into two zones in vertical plane, with electric field intensity during final application process carried out in homogeneous field having one zone being set equal to that of the entire space of both zones by setting potential of boundary separation zone equal to U1=Uh1/h, where U is potential of flocking zone upper boundary, h1 is height of flocking zone lower boundary, h is height of the entire flocking zone.
EFFECT: provision for producing of patterns of predetermined shape.
1 dwg, 1 tbl
FIELD: textile industry, in particular, manufacture of formed articles of car saloon.
SUBSTANCE: method involves manufacturing face side in the form of needle-stitched structured web; manufacturing reverse side in the form of needle-stitched web and doubling resultant webs. Web is structured on needle stitching machine by means of stitching needles equipped with notches, which entrain fibers upon passage through web and pull to predetermined depth into brush conveyor where pile is formed. Manufacturing of needle-stitched web involves preparing of fibrous mixture; forming cloth; transformation of cloth and securing of cloth. Fibrous mixture is prepared in mellowing and mixing unit, where fiber mellowing and mixing processes are provided, with following forming of fibrous cloth from ready fibrous mixture. Cloth is then delivered to combing converter adapted for producing of multilayer fibrous cloth with randomly arranged fibers. Cloth is then delivered by means of discharge conveyor to needle stitching machine for converting thereof into web. Doubling is provided by stitching together of needle-stitched web and needle-stitched structured web by means of stitching needles or by means of thermal adhesive(s) during forming of parts.
EFFECT: improved ecology control owing to the use of biocomponent low melting point fibers, various production wastes without use of binders, such as polymeric dispersions.
FIELD: production of a product made out of a non-woven material with a three-dimensional stamping.
SUBSTANCE: the invention is pertaining to a product made out of product made out of a non-woven material with a three-dimensional stamping, in particular, of a flat form consisting of fibers and-or elementary filaments and having on its both sides the areas with uniformly or non-uniformly alternating elevations and the excavations and separated from each other across a direction of the material driving by non-stamping solid sections, which are drawn out in the direction of the drive of the material and occupy from 5 up to 50 % of the surface of the non-stamped non-woven material. At that the elevations arranged on one side form on the opposite side an excavations, and correspondingly the excavations arranged on one side form on the opposite side of elevations. At that the elevations located on both sides are made boldly protruding in respect to the surfaces, which are on both sides formed by imaginary prolongation of the surfaces of non-stamped solid areas. The offered invention also concerns the method of manufacture of the above-stated product and the device for its realization. The offered invention ensures production of a stamped non-woven material, which not require an additional stabilizing layer, after previous compression would return its initial form better, than the so far known versions and which due to that would be better suitable for absorption of liquids of a different composition or for transportation of the liquids into an absorption layer.
EFFECT: the invention ensures production of a stamped non-woven material not requiring an additional stabilizing layer, better than the so far known versions restoring its initial form after compression, better suitable for absorption of different liquids and for their transportation into an absorption layer.
22 cl, 7 dwg, 4 tbl
FIELD: textile industry, in particular, nonwoven multilayer artistic-ornamental textile materials.
SUBSTANCE: nonwoven material has at least two layers formed and thermally treated under pressure, with following compression of formed material by double-sided stitching by needles and overturning of material. One of said layers includes continuous web made from threads and at least other layer includes random number of flat and fiber-like pieces of various sizes, said pieces being placed one onto another or arranged one between others. Loops are formed on outer side of material from threads and fibers of layer components, said loops being produced by penetrating needles through the entire thickness of material.
EFFECT: wider range and increased strength of nonwoven materials.
4 cl, 2 dwg, 5 ex
FIELD: textile industry, in particular, finishing of various articles and materials with pile patterns produced by electric flocculation process.
SUBSTANCE: method involves sequentially applying piles of various colors in electric field divided, according to pile advancement direction, into two zones: initial and final; finally applying piles in homogeneous field having one zone; simultaneously varying electric field intensity during all application stages except for final stage, said variations being provided simultaneously at initial zone within the range of from Ei=(U-U1)/(h-h1) to Ei≈0, and in final zone after passage by piles of interface boundary within the range of from Ef=(U1-U0)/h1 to Ef=(U-U0)/h1, by setting zone interface boundary potential from U1=(U-U0)h1/h to U1=U, where U potential of outer boundary of flocculation initial zone; U0 is potential of outer boundary of flocculation initial zone; h1 is size of final flocculation zone in direction of advancement of pipe; h is total size of both flocculation zones in direction of advancement of piles.
EFFECT: wider range of adjustment of pattern shapes and distinctness of color transition sites owing to formation of pile pattern by varying of electric field intensities.
1 dwg, 1 tbl, 1 ex
FIELD: manufacturing process.
SUBSTANCE: invention relates to the textile industry, in particular to a method for manufacturing tufted material, used as flooring, as well as for interior decoration. The method consists in applying a binder - fine hot melt polyethylene powder, on the secondary synthetic non-woven substrate. The binder while heated turns into a plastic condition. Then under pressure it connects the secondary substrate with a primary polypropylene woven substrate, stitched with pile of synthetic yarn. The application of the binder is carried out on the secondary substrate, while its progress and effect of temperature on top. The connection of the primary substrate and the secondary substrate with a binder in a plastic condition is carried out under a pressure of 0.3-0.7 MPa, while the impact of the temperature of the lower calender of 130°-150° C and the temperature of the upper calender of 50°-80° C. The primary substrate is fed directly into the joint area of layers, at a rate of admission of the secondary substrate with the binder. In the result manufacturability of the carpet is improved due to separation of stages of the binder melting and the layers connecting.
EFFECT: increased strength of binding of substrates across the surface while maintaining the appearance of the pile layer.
2 tbl, 6 ex, 2 dwg
FIELD: textile, paper.
SUBSTANCE: invention relates to the method to manufacture a textile cover (2) from a linen (3) of fibre containing: a rear surface (8B), the first area (5), the second area (7) and a front surface (8A), besides, the first area is the area of adhesion, in which fibres (4) of the linen (3) are integrated into a dense woven structure (5), retaining these fibres (4), and which is arranged only in part of the linen (3) thickness (6), and the second area (7) is arranged in the other part of the linen (3) thickness (6) up to the specified front surface (8A). The method is characterised by the fact that according to the method a) the AC electric field is applied to the linen (3), at least front or rear (8A, 8B) sides of which carries a thermomelting powdery binder (12), besides, this powdery binder (12) is introduced into the linen (3) from the fibre (4) so that the specified binder (12) is concentrated in the first area (5). Then c) the binder (12) is exposed to melting by heat supply; then d) the binder (12) is left until hardening or exposed to hardening.
EFFECT: simplified manufacturing of a textile cover without deterioration of cover mechanical properties.
18 cl, 4 ex, 4 dwg
FIELD: textiles, paper.
SUBSTANCE: in the method for manufacturing needle-punched silica thermal barrier materials comprising preparing a fibrous mixture, forming fibrous web with aerodynamic method and formation of needle-punched web as feedstock, the silica fibers with the diameter of 5-7 microns and 8-20 microns are used or their mixture in a ratio of (10-90):(90-10)% which are divided in fibers on serrated drum, forming a fibrous web is carried on a conveyor of web-forming machine due to combining aerodynamic and mechanical methods. Then, the resulting fibrous web is subjected to the action of the needle board of the needle-punching machine equipped with percussion needles with serrations in both forward and reverse directions, forming the needle-punched web of thickness 3.0-10.0 mm is carried out per one process cycle, and forming of needle-punched web of thickness 12.0-30.0 mm - in two stages. First the webs-blanks are made with preliminary percussion in two directions per one pass of the web through the needle-punching machine. Then the webs-blanks are folded to the desired thickness followed by final punching in two directions per one pass through the needle-punching machine, the formed nonwoven needle-punched web enters the device of cutting and winding, and the silica fibers have a porous structure with pore size of 3-10 A (angstroms) and the production line for production of needle-punched silica thermal barrier materials, comprising a device of mixing fibrous mass, a feeding conveyor, a web-forming unit, a needle-punching machine which has a table with a needle board and with needles fixed on it. At that the percussion needles fixed to the needle board, are made with serrations in the forward and reverse directions. Moreover, the number of rows of needles with serrations in the forward direction located at the inlet to the needle board, is 2-3 times greater than the number of rows of needles in reverse direction of serrations disposed in the final part of the needle board and the two-sided percussion of web (from up to down and from the bottom up) is carried out per one technological progress of the needle in one needle-punching machine, percussion needle size and serrations is proportional to the diameter of the silica fiber.
EFFECT: use in the production of silica fibers.
SUBSTANCE: liquid-permeable structured fibre cloth provides the optimum liquid absorption and distribution properties. The liquid-permeable structured fibre cloth comprises a first surface and a second surface, a thermoplastic fibres, a first area and a number of second discrete areas arranged around the first area. The second discrete areas form discontinuities on the second surface of the fibre cloth and comprise shifted fibres on the first surface of the fibre cloth; at least 50%, but less than 100% fibres have free ends extended aside from the first surface of the fibre cloth. The fibre cloth is characterised by a post-ageing thickness less than 1.5 mm, a vertical liquid capillary distribution height making min. 5 mm, a permeability min. 10,000 cm2 Pa·s) and a specific volume of the structured substrate min. 5 cm3/g.
EFFECT: better liquid absorption and capillary distribution.
21 cl, 29 dwg, 9 tbl
SUBSTANCE: tufted carpet for application for automobiles consists of burry layer and, at least, main base layer. Burry layer has poil weight and consists of yarn from bulk-continuous-filaments (BCF yarn), containing specified number of threads, which have specified diameter. Carpet is subjected to tufting with specified size. BCF yarn consists of polypropylene (PP) thread with tear strength between 2.6 cN/dtex (centinewton per decitex) and 3.2 cN/dtex (centinewton per decitex) with elongation from 50% to 70% or polyethyleneterephthalate (PET) with tear strength between 2.6 cN/dtex (centinewton per decitex) and 3.4 cN/dtex (centinewton per decitex) with elongation from 20% to 40%.
EFFECT: obtaining tufted carpet.
15 cl, 2 dwg
FIELD: chemistry; production methods of composition for thread coating.
SUBSTANCE: composition includes x) = 10-50 mass.% of polyethylene wax with melting temperature from 110 to 150°C, y) = 10-50 mass.% compound ether compositions of conjoint polymer produced from α-olefine containing from 10 to 24 carbon atoms and unsaturated dicarboxylic acid selected from maleinic acid, fumaric acid, itaconic acid and citraconic acid z) = 100-(x+y) mass.% of silicon oil composition with 100 to 100- MPa-c viscosity at 20°C. Threads, fibres or filaments produced by spinning, stretching and texturing, if necessary, are subject to treatment with the specified composition.
EFFECT: items are ensured with high resistance property.
17 cl, 2 tbl, 3 ex