534results about "Rubber derivative coatings" patented technology

The invention relates to coating technology, in particular to a non-toxic polyaniline modified anti-corrosive coating and a preparation method thereof to solve the problems that that prior antirust pigment has poor corrosion resistance, and the coating is matched with harmful lead-containing and chromate-containing pigment in the manufacturing process. The non-toxic polyaniline modified anti-corrosive coating comprises a film forming matter, polyaniline modified antirust pigment, and the like. A polyaniline coating layer is formed on the surface of the antirust pigment by an oxidative polymerization method; the antirust pigment after treatment has passivating effect on metal; and a phytic coating layer on the surface of the antirust pigment also has corrosion inhibiting effect on the metal. The non-toxic polyaniline modified anti-corrosive coating has strong corrosion resistance and permeability resistance, and can be applied to anti-corrosive projects such as petrochemical equipment,pipelines, offshore oil platforms, wharf facilities, shipping and the like.

The invention relates to a fireproof coating and its preparation method. The provided hydrocarbon flame resistant intumescent coating has good adhesion to steel base materials and concrete substrates, fire prevention and thermal resistance capacity up to 3 hours, a low density as well as excellent flexibility, and can tolerate harsh climatic conditions. The intumescent coating consists of component A and component B that are in a weight ratio of 2.5-3.5:1. The component A comprises the following components (by weight part): 20-40 of epoxy resin, 5-25 of modified resin, 5-20 of a foaming sweller, 5-25 of a catalyst, 10-30 of a flame retardant, 5-10 of an assistant, 10-30 of a pigment filler, and 5-15 of a carbonization reinforcing agent. The component B comprises the following components (by weight part): 20-60 of a curing agent, 5-10 of an assistant, and 20-50 of a pigment filler.

The coating for substrates or materials, preferably elastomers or elastomers bonded to metal. The coating composition comprises (a) a functionalized hydrogenated copolymer comprising at least one repeat unit derived from a conjugated diene monomer; preferably including an unsaturated nitrile monomer; and a functional group containing monomer or graft linked compound or combinations thereof; (b) a curing component comprising at least one isocyanate group, or a carbodiimide compound, or an amino resin, or combinations thereof, and (c) a solvent. The coating compounds can be applied to an substrate either before or after the substrate has been vulcanized. The coatings can be cured at ambient temperatures.

The invention discloses heat insulating coating surface glue for insulating heat through reflection and heat conversion. Based on reflection and heat insulation, a heat converting material is added into the heat insulating coating surface glue, after being absorbed by a coating layer, part of unreflected heat energy can be converted by the heat converting material into radiant energy to be released into the atmosphere, thus, 98% of heat from the sun can be insulated. The invention also provides a heat insulating coating which comprises the surface glue, intermediate glue and bottom glue, has excellent heat insulating performance, and can be used for remarkably reducing the temperature of buildings, industrial chemicals tanks and various equipments requiring heat insulation and reducing the energy consumption for temperature reduction.

A stretchable conductor of the present invention includes: a mixture which is configured of a stretchable portion made of an elastomer, and at least one type of conductive particles dispersed in the stretchable portion; and a conducting portion in which the conductive particles are aggregated in a higher concentration at one or a plurality of positions on an interface of the mixture than that at positions located in an inner portion of the mixture.

The invention relates to an energy efficient, environmentally favourable process for the preparation of brominated butyl rubbers, that uses a bromination agent and a oxidizing agent in order to enhance the utilization of bromine contained in the bromination agent. In a preferred embodiment a common medium for both solution polymerization and subsequent bromination of the rubber is employed.

The invention provides an antifouling paint containing nano oxides. The antifouling paint is prepared from the following raw materials based on a weight ratio: 5-20% of nano oxide, 10-30% of cuprous oxide, 20-30% of chlorine-containing polymer, 3-5% of rosin, 1-7% of polymer dispersant, 3-6% of plasticizer, 2-5% of anti-settling agent and 20-40% of solvent. The preparation method comprises the following steps: proportionally adding chlorine-containing polymer powder to the solvent with equivalent mass, and shearing and stirring at a high speed to obtain a transparent chlorine-containing polymer solution; proportionally adding the polymer dispersant to a certain amount of the solvent, and then adding the nano oxides for high-speed dispersion to obtain nano-oxide slurry; proportionally adding the prepared nano-oxide slurry as well as the cuprous oxide, the rosin, the plasticizer, the anti-settling agent and the like to the chlorine-containing polymer solution under the condition of high-speed stirring or grinding and dispersion; and finally filtering the obtained mixed solution with a sieve mesh or silk cloth to obtain the nano-antifouling paint, sampling, weighing and packaging to obtain the finished product after the sample passes a test.

A shaped composite article comprising a substrate and an adherend, which are comprised of different materials and are bonded together through a layer of an adhesive composition comprising as the main ingredient (i) a cyclic structure-containing conjugated diene polymer having a degree of cyclization of 30-95%, or (ii) a modified cyclic structure-containing conjugated diene polymer having a degree of cyclization of 30-95%, and having added thereto 0.1-20 wt. % of an α,β-ethylenically unsaturated carboxylic acid anhydride, wherein the ratio of {amount of (I) / [amount of (I)+amount of (II)]} is at least 60 wt. %, where (I) is an acid anhydride group added and (II) is a dicarboxylic acid group formed by hydrolysis of an acid anhydride group (I).

A composite aluminum-zinc galvanized coating and its production are disclosed. The coating consists of flake aluminum powder, flake zinc powder, neutral resin, diluting agent, non-ionic surface activator, anti-settling agent and dispersant. The process is carried out by mixing superfine flake dry zinc powder or zinc powder slurry with superfine flake dry aluminum power or aluminum powder slurry and diluting agent, agitating, mixing agitated superfine flake zinc powder with aluminum powder slurry and neutral resin at normal temperature and pressure, agitating, adding into anti-settling agent, dispersant and non-ionic surface activator, and agitating to obtain final product. The metal content of dry film is below 60%, the thickness of coating is 40 um. It saves metal usage, has less coating thickness, good color, more metal content and better gas-phase and liquid-phase medium closing effect.

The invention provides a corrosion-resistant fireproof coating, which belongs to the technical field of coatings. The corrosion-resistant fireproof coating comprises, by weight, 2 to 3 parts of ethylene-vinyl acetate copolymer emulsion, 1 to 2 parts of decabromodiphenyl ether, 5 to 10 parts of epoxy resin, 4 to 6 parts of chlorinated rubber, 5 to 10 parts of phenolic resin, 3 to 5 parts of perchlorethylene resin, 1 part of potassium titanate whisker, 1 to 2 parts of zinc-aluminum alloy powder, 1 part of melamine, 1 part of ammonium polyphosphate, 1 part of borax, 2 to 3 parts of glass powder, 5 to 8 parts of dibutyl benzoate, 2 to 7 parts of pentaerythritol, 6 to 12 parts of gypsum, 5 to 9 parts of acrylate resin and 10 to 20 parts of a solvent. The fireproof coating provided by the invention has excellent corrosion resistance and has fire resistance in accordance with national regulations.

The invention discloses a slow-soluble biological antifouling paint, which comprises binder resin, biological antifouling compositions, pigments, fillers, additives and solvents, wherein the biological antifouling compositions are vegetable tannin and tea polyphenols of biological extracts of plants. The vegetable tannin and the tea polyphenols are then encapsulated by employing the encapsulization technology, the encapsulated vegetable tannin and tea polyphenols are taken as the antifouling compositions, the antifouling paint of the invention is further composed by combining the binder resin, the pigments, the fillers, the additives and the solvent together with the vegetable tannin and the tea polyphenols, and the antifouling effect is achieved by the slow releasing of the vegetable tannin and the tea polyphenols from micro-capsules. The invention has the advantages that the invention coming from the biological extracts of plants is environment-friendly, the cost is low, the encapsulization technology is simple, the price of capsule materials is low and the large-scale production is easy to be achieved. Further, the invention is characterized by low surface energy, biological antifouling, long term slow releasing and environment protection, and is capable of being employed in antifouling treatment of ocean ships, ocean fixture and fittings, sewers, cable ducts, optical cable ducts and the like.

A stretchable conductor of the present invention includes: a mixture which is configured of a stretchable portion made of an elastomer, and at least one type of conductive particles dispersed in the stretchable portion; and a conducting portion in which the conductive particles are aggregated in a higher concentration at one or a plurality of positions on an interface of the mixture than that at positions located in an inner portion of the mixture.

The invention provides a hydrocarbon fire resistant ultrathin expanded fireproof coating and a preparation method thereof. The coating comprises the following components in part by weight: 10 to 30 parts of epoxy resin, 1 to 4 parts of modified curing agent, 5 to 20 parts of modified resin, 2 to 8 parts of rheological agent, 10 to 35 parts of catalyst, 10 to 25 parts of carbon forming agent, 0 to 11 parts of foaming agent, 5 to 10 parts of fluxing agent, 3 to 10 parts of pigment and filler, and 2 to 5 parts of antibacterial bactericide. The method comprises the following steps of: mixing the crushed resin and other components uniformly, extruding the mixture at the temperature of 95 DEG C at the rotational speed of 300 revolutions per minute, crushing the extruded product, and sieving the powder with a sieve of 40 meshes to obtain the coating. The coating has low curing temperature, high hydrocarbon fire resistant limit, good bonding force and high strength, can tolerate high and low-temperature circulating influence, has air purification and sterilization functions, and is convenient for construction; and the preparation method is simple, and has low energy consumption. The coating is particularly suitable for fire protection of steel, aluminum and other materials of the indoor and outdoor petrochemical industry with hydrocarbon fire risks.