Multicomponent coatings, containing polyurea coating layers, method of producing said coatings and method of making coated articles
SUBSTANCE: polyurea coating composition is obtained from a reaction mixture which contains an isocyanate functional component and an amino functional component, where the ratio of equivalents of isocyanate groups to equivalents of amino groups is greater than 1, volume ratio in the mixture of the isocyanate functional component to the amino functional component is 1:1, in which at least one polyisocyanate monomer constitutes at least 1 wt % of the isocyanate functional component, where the isocyanate functional component contains the reaction product of polyisocyanate and at least two polyols, and the amino component contains an aspartate-based amino functional reactive resin. The multicomponent composite coating contains a first polyurea layer which is deposited from the first composition, and a second polyurea layer which is deposited from the second composition, in which at least one composition, chosen from the first composition and second composition, includes a polyurea coating composition.
EFFECT: obtaining compositions which improve adhesion to earlier deposited coatings or to a substrate, characterised by low viscosity, which improves fluidity of the coating composition for a long period of time.
24 cl, 3 dwg, 1 tbl, 1 ex
The text descriptions are given in facsimile form.
1. Composition primecasino coatings produced from the reaction mixtures containing Izolan Funktsionalnyi component and amidofunctional component, where the ratio of equivalents of isocyanate groups and the equivalents of amine groups is greater than 1, while the volume ratio in the mixture between isocyanatobenzyl component and amidofunctional component is 1:1, in which at least one polyisocyanate monomer is at least 1 wt.% from isocyanatobenzene component, and isocyanatobenzyl component includes the reaction product of MDI and at least two polyols and amine component contains amidofunctional reactive resin based on a complex ester of aspartic acid.
2. The coating composition according to claim 1, in which the ratio of equivalents of isocyanate groups and the equivalents of amine groups is in the range from 1.01 to 1,10:1,0.
3. The coating composition according to claim 1, in which isocyanatobenzyl component includes isophorondiisocyanate.
4. The coating composition according to claim 1, in which amidofunctional component contains a primary amine and/or secondary amine.
5. The coating composition according to claim 4, in which amidofunctional component contains a secondary amine, including acrylamidophenylboronic amine and/or methacrylamidoethylene Amin.
6. The coating composition according to claim 1, in which amidofunctional component contains 20-80 wt.% the primary amine and the OS is the real number is a secondary amine.
7. The coating composition according to claim 1, in which the reaction mixture further comprises clay and optional silicon dioxide.
8. The coating composition according to claim 7 in which the amine component contains clay and optional silicon dioxide.
9. The coating composition according to claim 7, in which the clay comprises montmorillonite clay, kaolin clay, attapulgite clay and/or sepiolite clay.
10. Multi-component composite coating comprising a first primatively layer deposited from the first composition and the second primatively layer deposited from the second composition applied on at least part of the first primecasino layer, in which at least one composition selected from the first composition and the second composition comprises a coating composition according to claim 1.
11. The and coated product comprising a substrate and a composition primecasino coating according to claim 1, besieged, at least part of the substrate.
12. The product is coated in claim 11, in which the substrate is a substrate of the vehicle.
13. The product is coated in claim 11, in which the substrate includes a glass substrate.
14. The method of obtaining primecasino coating on a substrate, including:
(a) selecting isocyanatobenzene composition and amidofunctional compositions such education is, to the ratio of equivalents of isocyanate groups and the equivalents of amine groups would exceed 1, while the volumetric ratio of the applied mixture between isocyanatobenzyl component and amidofunctional component is 1:1, in which at least one polyisocyanate monomer is at least 1 wt.% from isocyanatobenzene composition, and isocyanatobenzyl component includes the reaction product of MDI and at least two polyols and amine component contains amidofunctional reactive resin based on a complex ester of aspartic acid,
(b) mixing isocyanatobenzene composition and amidofunctional composition in a volume ratio providing the reaction mixture; and
(c) applying the reaction mixture onto a substrate to obtain the substrate primecasino coverage.
15. The method according to 14, in which the mixing is carried out in the collision, and the application is carried out in the spray.
16. The method according to item 15, in which the reaction mixture, at sulphur, partially utverjdayut obtaining primecasino layer essentially does not give tack-free, put the second primatively layer on the at least partially cured primatively layer, where the partially cured of Polym chevinay layer has a resistance in relation to the second floor.
17. The method according to clause 16, in which the second layer being utverzhdennym, largely characterized by the presence of surface texture in comparison with the first floor.
18. The method according to 14, in which the substrate is a substrate of the vehicle.
19. A method of obtaining a product with the coating, including:
providing the substrate; and
the deposition of a multilayer composite coating on at least part of the substrate receiving the products with the coating, with the multi-layer composite coating includes a first primatively layer deposited from the first composition and the second primatively layer deposited from the second composition applied on at least part of the first primecasino layer, and at least one composition selected from the first composition and the second composition obtained from the reaction mixture, containing:
isocyanate component; and
where the ratio of equivalents of isocyanate groups and the equivalents of amine groups in the reaction mixture exceeds 1, while the volumetric ratio applied to the substrate mixture between isocyanatobenzyl component and amidofunctional component is 1:1, in which at least one polyisocyanate monomer is at least 1 wt.% from from inattentional composition, and isocyanatobenzyl component includes the reaction product of MDI and at least two polyols and amine component contains amidofunctional reactive resin based on a complex ester of aspartic acid.
20. Multi-component composite coating comprising:
at least one first coating obtained from the first composition coating at least a portion of at least one main surface of the substrate, where the first coating composition contains,
at least one staple; and,
at least one film-forming resin having a functional group having reactivity with respect to the stapler;
the second composition of the coating applied in the form of at least one layer, at least a portion of the first coating with getting on top of the second coating, where the second coating composition includes primecasino composition according to claim 1; and
composition for improving adhesion, which include at least one composition selected from the first and second coating compositions, and/or applied as a separate layer, at least a portion of the first coating before applying the second composition of the coating, and where the document ASTMD1876 second floor is characterized by the adhesion resistance odlaw the tion at an angle of 90°, equal to at least 5 ft-lb (6,779 n-m).
21. Multi-component composite coating according to claim 20, in which the composition for improving adhesion, contains tertiary amine, melamine, urethaneacrylate, chelate complex of a metal, a polymer containing many moving hydrogen atoms and/or tin-containing compound.
22. Multi-component composite coating according to claim 20, in which the composition for improving adhesion, contains a tertiary amine, including 1,5-diazabicyclo[4.3.0]non-5-ene, 1,8-diazabicyclo[5.4.0]undec-7-ene and/or 1,4-diazabicyclo[2.2.2]octane.
23. Multi-component composite coating according to claim 20, in which the substrate is a substrate of the vehicle.
24. Multi-component composite coating according to item 23, in which the second composition is obtained from the reaction mixture, optionally containing one or more pigments, such that at least part of the substrate of the vehicle with the coating has a color, which essentially corresponds to the color of at least part of the conjugated body of the vehicle.
SUBSTANCE: urea resin coating composition contains hollow glass and-or aluminosilicate microspheres of diametre 100-300 mcm, functional additives chosen from the group including ammonium polyphosphate, wollastonite, microcalcite in ratio of glass to aluminosilicate microspheres 1:1. Work surface coating process involves separated preparation of two reagents, one representing compound diamine reaction component A mixed with powder filling mix, containing wt %: hollow microspheres 80-85 and functional additives 15-20, and another reaction component B representing diisocyanate. It is followed with separate, but simultaneous uniform dispersion of compound component A and component B on a coated surface. Once reaching thereof, both components instantly form polymeric binding agent - urea resin with components of powder filling mix being uniformly distributed. Diamine and diisocyanate are taken in equimolar ration required to produce urea resin.
EFFECT: higher coating performance, cost reduction, simplified coating process.
3 cl, 1 tbl
SUBSTANCE: invention relates to multilayer, tent covering material. The material contains a polyester base and a double-sided polyvinyl chloride coating. The polyester base is flat knitted linen, made from polyester thread of 100-111 tex, with 200-400 filaments in the thread and 85-400 windings per metre. Mass ratio of layers front : intermediate : back equals 1.1:1:1.6 respectively. Mass ratio of layers of polyester base and polymer coating is 1:2.7. The polymer coating is obtained, based on suspended polyvinyl chloride and additionally contains a mixture of dioctylphthalate and dioctyl sebacate plasticizers, Vitur T thermoplastic polyurethane, synthetic butadiene-acrylo-nitric rubber BNKS -28, copolymer of methyl methacrylate, butadiene and styrene KANE ACE B-28A. The stabilisers used are barium-, cadmium-, zinc-containing Vigostab BKT complex stabilisers. The antipyretic additive is antimony trioxide and chloroparaffin CP-1100. The coating also contains a fungicide - salicylic acid alinide, processing additive - stearic acid and pigments.
EFFECT: good fatigue properties in static and dynamic conditions, high frost resistance (up to -60 °C), fire-resistance and resistance to action of microorganisms.
1 cl, 6 tbl, 9 ex
FIELD: packing industry.
SUBSTANCE: laminated material comprises a substrate layer and an additive transfer layer. The additive transfer layer contains thermoplastic polymer and an additive which is water-soluble granules of a colouring agent, flavour additive and aromatiser. The additive transfer layer is contacting the food product subject to packing.
EFFECT: package comprising such laminated material gives the packed product improved taste, aroma or colour when being heated or cooked.
22 cl, 12 ex, 4 tbl, 8 dwg
FIELD: packing industry.
SUBSTANCE: casing is produced by the coextrusion of at least two layers including the outer layer (Z). At least one layer which is not an outer one (Z) contains more than 50 wt % of thermoplastic components on the (co)polyamide(s) basis. The outer layer (Z) contains more than 50 wt % of thermoplastic components and inorganic particles distributed in them with at least part of the particles having the diametre of the equivalent sphere exceeding 20 mcm. At least one of the layers (not the outer one (Z)) performs the carrying function.
EFFECT: as per their appearance and roughness the obtained casings for food products are similar to the collagen, protein, reinforced with fibers cellulose and natural casings.
14 cl, 1 tbl, 4 ex
FIELD: technological processes.
SUBSTANCE: invention is related to technology for production of ultra-light unfolding space structures, in particular to multi-layer walls of inflatable and hardened gossamer structures. Multi-layer wall comprises layer of composite material (1), which is hardened by polymerisation. On internal side it comprises layer (2), which is impermeable for gases. On external side there is at least one protective and anti-adhesion layer (3). External layer (3) is partially permeable for gases and is not permeable for liquid and viscous phases of the main material of mentioned composite material (1).
EFFECT: provides for removal of air captured between different layers of multi-layer wall at the stage of pressure collapse.
21 cl, 4 dwg
FIELD: packing industry.
SUBSTANCE: invention relates to technology of obtaining packing materials, in particular to laminates for additives transferring, acceptable for packing food product, which is boiled in packing, additives from laminate passing from laminate into food product. Laminate contains substrate and layer for additive transferring. Layer for additive transferring consists of water-insoluble thermoplastic polymer, agent increasing polymer impact viscosity and additive granules which contain coloring substance, flavour additive and aromatiser. Agent increasing polymer impact viscosity is contained in mixture with water-insoluble thermoplastic polymer. In packing product laminate is connected to itself or to other element of packing product-packet, bag, lid, etc.
EFFECT: invention allows to improve appearance of food product after transferring food additive into food product, ensures more even distribution of food additive on or in food product.
28 cl, 10 dwg, 10 tbl, 69 ex
FIELD: food products.
SUBSTANCE: food casing based on aliphatic polyamide and/or aliphatic copolyamide is saturated with smoking fluid on the side facing the food product. vapour permeability of such casing (WDD) determined in accordance with DIN 53 122 is at least 30 g/m2·day in case of unidirectional air supply to the casing at 23°C and 85% relative air humidity. Sausages and sausage chains to be smoked and packed in the casing made in accordance with the invention need not to be hanged in the smoking chamber and there is no oil or fat release during maturation stage.
EFFECT: combined advantages of polymer casings; casings are suitable for packing salami, cooked sausages and cooked smoked sausages.
19 cl, 1 tbl, 3 ex
FIELD: production methods.
SUBSTANCE: method includes the generating of membrane with connected pores, going through the membrane, the influence to the membrane of fluid medium - dioxide carbon, containing the saluted modificator - fluoridize urethane polymer and fluoridize acrylic polymer - in the hypercritical conditions, suppression of modificator on the surfaces, creating in the membrane the pores and the changing of the condition of the fluid medium. The modified membrane contains membrane, which has the elemental hair, and provides the transmission of damp, it is transmitted by the air, has the resistance to the influence of the wind and produced of material, which can swallow the oil and emission agent; material made of solute with low superficial tension, saluted on the surface of the fittings and elemental membrane hairs. Also the material is relied to the plane material, containing the mentioned membrane.
EFFECT: invention provides alternative and more advanced method of material elaboration; it is led to increase the modified material qualities and characteristics.
36 cl, 7 dwg, 6 tbl, 9 ex
FIELD: chemical industry; aerospace industry; ship-building industry; other industries; methods of manufacture of the multilayered panels.
SUBSTANCE: the invention is pertaining to the field of manufacture of the multilayered panels by means of molding in the autoclave at the heightened pressure and may be used in the aerospace industry, ship-building and other industries. The method of manufacture of the multilayered panel consisting of the laminated coating and the filling material provides, that on the laminated coating they put the layer of the filling material and exercise the binding of the filling material with the coating by the method of vacuum-autoclave molding, in which the laminated coating representing the metal-polymeric material in the non-solidified state first place in the vacuum bag set along the coating, on it place the layer of the filling material, then the whole assemblage is put in the common vacuum bag and placed in the autoclave, where the multilayer panel is molded. At that the vacuum bag and the coating are vacuumized, and in the common vacuum bag the pressure is lower, than in the autoclave. The technical result of the invention is reduction of the of labor input for manufacture of the panel at least in 2 times at the expense of joining the operations of molding of the coatings with their adjoining to the filling material at preservation of the strength level of the product.
EFFECT: the invention ensures reduction of the of labor input for manufacture of the panel at least in 2 times at preservation of the strength level of the product.
4 cl, 2 dwg, 2 ex
FIELD: glass industry.
SUBSTANCE: invention relates to protective glass manufacture technology, in particular to manufacturing composite intermediate layers of layered materials for joining multilayer glass. Intermediate layer contains two or more sheets of bound optically transparent polyethylene terephthalate between adhesive layers of plasticized polyvinylbutyral, thickness of said polyethylene terephthalate layers being between about 0.025 mm and about 0.175 mm.
EFFECT: increased rigidity without loss in optical transparency.
34 cl, 7 tbl, 8 ex
FIELD: processes for producing films.
SUBSTANCE: film is produced by co-extrusion with blowing a) at least of one layer of thermoplastic fluoropolymer and at least of one layer of polymer A; b) or at least of one layer of thermoplastic fluoropolymer containing fillers and, possibly at least of one layer of other fluoropolymer; c) or at least of one layer of polymer A ( layers extruded at stages a, b or c are mutually stuck); d) of layer of one more thermoplastic polymer B for forming layer adjacent to combination of layers extruded at stages a, b or c. Thermoplastic polymer B is incompatible with fluoropolymer and with polymer A and it features strength of extrudate sufficient to be used as carrying layer for layers of fluoropolymer and(or) polymer A. After cooling, film containing at least one layer of polymer selected from thermoplastic fluoropolymers and polymers A is taken by separating it from layer or layers.
EFFECT: enhanced efficiency of method.
15 cl, 2 tbl, 9 ex
SUBSTANCE: invention refers to production of multi-layer structures. The method consists in the stage of producing a composition containing powder of alloy Fe-Cr and at least one of oxides Fe, Cr, Ni, Co, Zn and Cu. The first layer is formed out of the said composition. At least one additional layer out of the same composition is formed on one of the sides of the first layer; this additional layer differs by chemical contents and/or by at least one of properties chosen from porosity and degree of shrinkage. Further the said layers are subject to heat treatment in atmosphere containing oxygen and are sintered in reduction atmosphere. Also amount of iron in finished material corresponding to the first layer is 50-90 wt % in ratio to total weight of finished material after sintering.
EFFECT: control over shrinkage and porosity.
18 cl, 2 dwg, 1 tbl, 2 ex
SUBSTANCE: invention is related to method for manufacture of combined elements, which consist of one protective layer and one rigid plastic foam on isocyanate basis, between which adhesion promoter is applied. Method provides for continuous displacement of protective layer with serial application of adhesion promoter on it and initial material for rigid plastic foam on isocyanate basis. Adhesion promoter is applied by means of rotary disc installed preferably parallel to protective layer in horizontal plane or with deviation from it that does not exceed 15°.
EFFECT: produced elements have high adhesion strength.
24 cl, 2 tbl, 3 dwg
SUBSTANCE: invention concerns nano-structured coatings for stainless steel and can be used at operation of stainless steel in the capacity of materials for constructional and technological purposes of petrochemical industry. Coating contains a layer made of titanium nitride and intermediate layer made of silicon carbide of thickness from 5 till 10 nm. Layer made of titanium nitride has thickness from 25 till 50 nm, and layer made of silicon carbide - from 5 till 10 nm. Coating has total thickness 30-60 nm and total content, wt %: SiC - 16.6 and TiN - 83.4.
EFFECT: increasing of materials corrosion resistance at operating in acid environment and at higher temperature.
FIELD: technological processes.
SUBSTANCE: invention concerns composite structure, method of its obtainment, and application. Composite structure is a sandwich structure consisting of two outer structural layers L1 and L3 and one inner lightening layer L2, made of solid or semisolid polyamide foam. Structural layer is a plate or sheet made of thermoplastic or heatset polymer matrix reinforced by reinforcement fiber, or a metal or metal alloy plate or sheet. Method of obtaining composite structure involves conjunction of the following elements: structural layer L1, lightening layer L2 of polyamide foam or the said foam precursor, structural layer L3. Composite structure can be applied in car or airplane part manufacturing, or production of sports gear, such as ski, or in construction panel manufacturing.
EFFECT: obtaining hard and light reusable composite structure.
20 cl, 6 ex,1 dwg
SUBSTANCE: invention relates to adhesive epoxy coating of metallic substrate, to layer structure containing such coating and also relates to the method of metal paper reinforcement. Coating is prepared from two-can epoxy composition. The composition contains epoxy material with 25% of total solids and hardening material with 32% of total solids. Epoxy material contains the following components: 3-35% of liquid diglycidyl ethers diphenol-A, 35-60% of solid diglycidyl ethers diphenol-A, 10-30% of epoxy novolac resin and 5-18% of solid butadiene acrylonitrile resin elastic with terminal carboxyl. Hardening material is chosen from a group including up to 0.2% chrome octoate and 4.4'-diaminodiphenylsulfone or its blend. This composition is used as adhesive while deriving layer structure of metallic element/fiber class. Thickness of adhesive coating in layer structure is 0.00254 cm. The method of metallic element reinforcement includes preparation of metallic element surface and application of above mentioned epoxy composition.
EFFECT: thin adhesive coating is derived and economic way of strong adhesion is developed.
14 cl, 2 dwg
FIELD: manufacturing processes in machine engineering, namely manufacture of three-layer structures of metals and composition materials, for example glass reinforced plastics with corrugated filler.
SUBSTANCE: three-layer structure includes two carrying layer, one of said layers is made of plastics, and corrugated filler between layers. Second carrying layer and corrugated filler are made of the same metal clad with glass-reinforced plastics. Thickness of cladding glass reinforced plastics of carrying layer and in filler is no less than 0.4 mm. In cavities of corrugated filler there is porous material joined with filler and having density 0.05 - 0.3g/cm3. Carrying layer of metals clad with glass-reinforced plastic is joined with filler by welding through metal in tops of filler. Carrying layer of glass- reinforced plastics is joined with filler through cladding of glass-reinforced plastics along top portions of filler and along surface of porous metal. Metal of filler may be perforated with perforation factor no more than 0.7.
EFFECT: improved technical parameters of ships built with use of such three-layer body structure, lowered mass, increased carrying capacity and enhanced operation conditions of ships.
2 cl, 1 dwg, 1 tbl
FIELD: rocketry; aircraft industry; method of manufacture of the multilayer product used at the cryogenic temperatures and/or in the condition of the aerodynamic heating.
SUBSTANCE: the invention is pertaining to the production technique of the multilayer products, which may be used in the fields of engineering, in which the products are working at the cryogenic temperatures and-or in the conditions of the aerodynamic heating. The product working at the cryogenic temperatures contains the metallic shell with the layer of the thermal insulation made in the form of the foam plastics. Between the metallic shell and the layer of the foam plastics there are the anticorrosive layer and the shock-absorbing layer. The foam plastics is additionally consolidated by the net installed with usage of the glue, and atop of it there is the antistatic coating. The product working at the cryogenic temperatures and additionally in the conditions of the aerodynamic heating contains the metallic shell with the layer of the thermal insulation made in the form of the foam plastics and the layer of the heat protection made out of the heat-protective coating consisting of the glue - Elastsil 137-180 and phenolformaldehyde microbeads (ТПШ-ЭС) deposited on the glue-hermetic, and atop of it there is the antistatic coating. The method of manufacture of the multilayer product consists that on the metallic surface they in series deposit the anticorrosive layer and the shock-absorbing layer, as the foam plastics they sputter Izolan-123 at the pressure of 0.4-0.6 mPa layerwise and then apply the glue-hermetic, overlay and then fix the molded cut sheets of the thermal-protective coating ТПШ-ЭС, age at the temperature of 15-35°С within 24 hours and atop of them deposit the antistatic coating - the enamel ХП-5237.
EFFECT: the invention ensures that the manufactured multilayer product is successfully working at the cryogenic temperatures and-or in the conditions of the aerodynamic heating.
4 cl, 2 dwg, 2 tbl, 2 ex
FIELD: machine engineering, possibly manufacture of articles including parts of iron and its alloys operating in aggressive media.
SUBSTANCE: part has coating formed by micro-plasma oxidation on sub-layer containing aluminum. Said sub-layer includes layer of solid solution of aluminum in α-iron formed by aluminizing of part surface and layer of alumina formed by heating at temperature 800 - 900°C in air atmosphere of aluminized surface of part. Invention provides enlarged range of working temperatures of parts subjected to micro-plasma oxidation till 900°C.
EFFECT: elimination of iron oxides formation in micro-plasma coating of steel and cast-iron parts, enlarged assortment of parts with micro-plasma coating operating in condition of high temperature and gas corrosion.