35results about How to "Excellent resistance to artificial aging" patented technology

The invention discloses a method for preparing an unmodified silica sol / polyacrylate core-shell emulsion. According to the method, commercially available alkaline silica sol and acrylate monomers are adopted as main raw materials, tedious surface modification treatment of nanoparticles is not needed, the monomers are subjected to in-situ polymerization on the surfaces of the unmodified SiO2 particles under the action of a reactive emulsifier so as to obtain a seed emulsion using SiO2 as cores and then acrylate shell polymerization is carried out on the surfaces of emulsifiable particles in the seed emulsion so as to synthesize the unmodified silica sol / polyacrylate core-shell emulsion with excellent performance. The method is simple in production process and the synthesis is rapid; the film of the synthesized unmodified silica sol / polyacrylate core-shell emulsion has the performances of high transparency, water resistance, high hardness, strong adhesion force as well as good stain resistance, heat resistance, acid and alkaline resistance, environmental friendliness, flame retardancy and the like and is high in performance and low in cost, is novel and environment friendly and can be widely applied in the field of multiple coatings.

The invention relates to self-flame-retardant oleth-2 phosphate modified water-based acrylic acid anticorrosive resin and a preparation method thereof. The self-flame-retardant oleth-2 phosphate modified water-based acrylic acid anticorrosive resin comprises the following components by weight: 6.0-15.0 parts of oleth-2 phosphate, 5.0-5.0 9.0 parts of crosslinking monomers, 0.6 to 2.0 parts of benzoyl peroxide, 6.0-12.0 parts of propyl polyoxyethylene epoxy ether, 4.0-7.0 parts of acrylic acid, 65.0-130.0 parts of acrylate hard monomers, 10.0-30.0 parts of acrylate soft monomers, 2.0-5.0 partsof a silane coupling agent, 3.0-8.0 parts of allyl glycidyl ether, 30.0-50.0 parts of a cosolvent, 4.0-12.0 parts of a neutralizer and 100.0-200.0 parts of deionized water. The prepared self-flame-retardant oleth-2 phosphate modified water-based acrylic acid anticorrosive resin has a series of properties such as good flexibility, artificial aging resistance, acid and alkali resistance, salt fog resistance, corrosion resistance and flame retardance; and when the self-flame-retardant oleth-2 phosphate modified water-based acrylic acid anticorrosive resin is used for preparing a flame-retardant coating and an anticorrosive coating, an extra flame retardant and an extra anticorrosive agent are not needed, and single-component and double-component water-based coatings can be prepared.

The invention discloses aqueous polysiloxane resin and a preparation method thereof. The aqueous polysiloxane resin is prepared from a pre-emulsion A, an emulsion B and a solution C as raw materials. The preparation method comprises the following steps: 1) preparing the pre-emulsion A; 2) preparing the emulsion B; 3) preparing the solution C; 4) pouring a part of the pre-emulsion A into a reaction container, dripping a part of the emulsion B, and at the same time heating the reaction container to 55-65 DEG C to react for 0.5-1 hour so as to prepare a light blue fluorescent seed emulsion; 5) simultaneously dripping the rest pre-emulsion A and the emulsion B into the fluorescent seed emulsion, heating to 55-65 DEG C to react for 2-3 hours, after the reaction is completed, cooling to the room temperature, adjusting the pH value to be 7-8, dripping the solution C, stirring for 10-30 minutes, and filtering, thereby obtaining a filtrate, that is, the aqueous polysiloxane resin. The aqueous polysiloxane resin is good in storage stability and flexibility, good in adhesion property, high in hardness and good in impact resistance, water resistance, salt water resistance, artificial aging resistance and chemical corrosion resistance. The aqueous polysiloxane resin is simple in preparation method, gentle in reaction condition and stable in process procedure.

The invention provides a high-efficiency environment-friendly antibacterial mildew-proof paint containing a nano film-forming agent and a preparation method thereof. The paint is prepared from the following raw materials: heavy calcium powder, ash calcium powder, white Portland cement, hollow microspheres, nano silicon dioxide, rutile titanium dioxide, dicalcium silicate, sepiolite powder, sodiumoxalate, talcum powder, tourmaline powder, attapulgite clay, sodium bentonite, polyvinyl alcohol powder, redispersible latex powder, lithium sulfate, calcium lignosulphonate, hydroxypropyl methyl cellulose, wood fibers and an organic silicon polyether composite defoaming agent. The prepared interior and exterior wall dry powder paint is suitable for interior and exterior walls, is non-toxic and environment-friendly, does not pollute the environment, does not influence body health, has excellent antibacterial and anti-mildew construction performance and other properties, is long in service life, is a dry powder coating, is simple in production process, and has the advantages of being convenient to transport, long in storage period and the like.

The invention relates to a broad-spectrum heat isolating and insulating coating compound which is prepared from the following components in percentage by weight: 30 to 40 percent of fluorine modified silicone-acrylate emulsion, 8 to 16 percent of hollow composite ceramic beads, 8 to 15 percent of infrared reflective nano material, 0.5 to 2 percent of molecular bridge modified material and 16 to 20 percent of titanium dioxide. The coating has sunlight radiation function and normal temperature infrared transmission function of a reflective broad-spectrum waveband, can reflect the sunlight radiation of the broad-spectrum waveband, can reflect at least 54 percent of sunlight radiation full-spectrum energy and greatly reduces the absorption of the outer surface of a wall to the sunlight energy; simultaneously, the cooperation of the added hollow composite ceramic beads and other raw materials also converts at least 58 percent of the absorbed sunlight energy into infrared rays to be radiated to the air in an atmospheric window waveband, thereby reducing the indoor heat transfer of the inner surface of the wall.

The invention discloses aqueous polysiloxane resin and a preparation method thereof. The aqueous polysiloxane resin is prepared from a pre-emulsion A, an emulsion B and a solution C as raw materials. The preparation method comprises the following steps: 1) preparing the pre-emulsion A; 2) preparing the emulsion B; 3) preparing the solution C; 4) pouring a part of the pre-emulsion A into a reaction container, dripping a part of the emulsion B, and at the same time heating the reaction container to 55-65 DEG C to react for 0.5-1 hour so as to prepare a light blue fluorescent seed emulsion; 5) simultaneously dripping the rest pre-emulsion A and the emulsion B into the fluorescent seed emulsion, heating to 55-65 DEG C to react for 2-3 hours, after the reaction is completed, cooling to the room temperature, adjusting the pH value to be 7-8, dripping the solution C, stirring for 10-30 minutes, and filtering, thereby obtaining a filtrate, that is, the aqueous polysiloxane resin. The aqueous polysiloxane resin is good in storage stability and flexibility, good in adhesion property, high in hardness and good in impact resistance, water resistance, salt water resistance, artificial aging resistance and chemical corrosion resistance. The aqueous polysiloxane resin is simple in preparation method, gentle in reaction condition and stable in process procedure.

The invention discloses a multicolored heat-insulation and heat-preservation coating material. The multicolored heat-insulation and heat-preservation coating material contains the following ingredients in percentage by weight: 80-90% of ingredient A and 10-20% of ingredient B; the ingredient A contains the following ingredients in parts by weight: 40-50 parts of high chlorinated polyethylene, 15-18 parts of coloring pigment, 2-5 parts of adjuvants and 0.1-0.5 part of mixed solvent, wherein the adjuvants comprise a plasticizer, an anti-settling agent and a thixotropic agent, and the mixed solvent comprises xylene and butyl acetate; and the ingredient B contains the following ingredients in parts by weight: 10-15 parts of ammonium polyphosphate, 12-18 parts of melamine, 15-20 parts of pentaerythritol and 10-15 parts of talcum powder. The fireproof coating material provided by the invention is stable in quality and good in use effect and has good impact resistance and artificial aging resistance and relatively high adhesive power while having an excellent fireproof effect.

The invention discloses a fireproof coating, comprising the following components in percentage by weight: 80-90% of component A and 10-20% of component B, wherein the component A comprises the following components in parts by weight: 30-50 parts of an ethylene-vinyl acetate copolymer, 20-25 parts of a tinting pigment, 1-8 parts of an assistant and 0.4-0.6 part of a mixed solvent; the assistant comprises a wetting agent, an anti-settling agent and a defoaming agent; the mixed solvent comprises propylene glycol and butyl acetate; the component B comprises the following components in parts by weight: 15-20 parts of cobalt naphthenate, 10-20 parts of melamine pyrophosphate, 20-30 parts of propylene glycol and 15-20 parts of talcum powder. The invention also discloses a preparation method of the fireproof coating. The fireproof coating disclosed by the invention is stable in quality, and good in using effect, and simultaneously has good impact resistance, good artificial ageing resistance and strong adhesive force when having an excellent fireproof effect.

The invention discloses an antifouling nano exterior wall coating and a preparation method thereof. The antifouling nano exterior wall coating is composed of the following components: 10-20% of water, 15-30% of rutile titanium dioxide, 0-15% of wollastonite powder, 0-5% of calcined kaolin, 30-60% of nano core-shell composite emulsion, 1-5% of coalescing agent, 0.5-2% of anti-freezing agent and 2.2-5.8% of small-dosage additive. The antifouling nano exterior wall coating and the preparation method thereof disclosed by the invention have the advantages that: 1. inorganic nano particles in the coating disclosed by the invention replace a part of polymers, thereby greatly reducing the use of organic oil resources, lowering the cost and improving the comprehensive performance of the coating; and 2. various performance indexes of the coating disclosed by the invention can meet the requirements of national standard GB / T9755-2001 superior products, the coating especially has excellent water resistance, alkali resistance, stain resistance and artificial aging resistance, and the wash resistance frequency of the coating is more than 10000.

The invention relates to a self-blocking oil polyether-2 phosphate modified water-based acrylic anticorrosion resin and a preparation method thereof. In parts by weight, the components are: 6.0-15.0 parts of oleyl polyether-2 phosphate, 5.0-9.0 parts of crosslinking monomer, 0.6-2.0 parts of benzoyl peroxide, 6.0-12.0 parts of propyl polyoxyethylene epoxy ether, 4.0-7.0 parts of acrylic acid, 65.0-130.0 parts of acrylate hard monomer, acrylic acid 10.0-30.0 parts of ester soft monomer, 2.0-5.0 parts of silane coupling agent, 3.0-8.0 parts of allyl glycidyl ether, 30.0-50.0 parts of co-solvent, 4.0-12.0 parts of neutralizing agent, 100.0-200.0 parts of deionized water part; the self-blocking fuel alcohol polyether-2 phosphate modified water-based acrylic anticorrosion resin prepared by the present invention has good flexibility, artificial aging resistance, acid and alkali resistance, salt spray resistance, corrosion resistance, A series of properties such as flame retardancy, when preparing flame-retardant coatings and anti-corrosion coatings, no additional flame retardants and anti-corrosion agents are required; it can be formulated into one-component and two-component water-based coatings.

The invention discloses an anti-ultraviolet fireproof coating, the components of which are composed of the following components by weight percentage: 80-90% of A component and 10-20% of B component; the A component includes by weight The following components: 30-50 parts of vinyl resin, 20-25 parts of coloring pigment, 1-8 parts of auxiliary agent, 0.4-0.6 part of mixed solvent; the auxiliary agent includes anti-ultraviolet auxiliary agent, anti-settling agent and defoamer ; The mixed solvent includes ethyl acetate and dimethyldiethoxysilane; the B component includes the following components in parts by weight: 15~20 parts of cobalt naphthenate, 10~20 parts of melamine pyrophosphate , 20~30 parts of propylene glycol, 15~20 parts of talcum powder. The invention also discloses a preparation method of the above-mentioned anti-ultraviolet fireproof paint. The anti-ultraviolet fireproof paint provided by the invention is stable in quality, has excellent fireproof effect and anti-ultraviolet effect at the same time.

The invention discloses a preparation method of an unmodified silica sol / polyacrylate core-shell emulsion, which uses commercially available alkaline silica sol and acrylate monomers as main raw materials, and does not need to perform tedious surface modification treatment on nanoparticles , under the action of reactive emulsifier, make the monomer in the unmodified SiO 2 In situ polymerization occurs on the particle surface, resulting in SiO 2 The seed emulsion is used as the core, and then the acrylate shell is polymerized on the surface of the seed emulsion emulsion to synthesize an unmodified silica sol / polyacrylate core-shell emulsion with excellent performance. The method of the present invention has simple production process and rapid synthesis, and the synthesized unmodified silica sol / polyacrylate core-shell emulsion film has high transparency, water resistance, high hardness, strong adhesion and other properties, and has good stain resistance Pollution, heat resistance, acid and alkali resistance, and environmental protection, flame retardant, is a high-performance, low-cost new environmentally friendly nano-core-shell water-based emulsion, which can be widely used in various coating fields.

The invention discloses a protective coating suitable for various base material surfaces and a preparation method thereof, and relates to the technical field of coatings. The invention provides a protective coating suitable for various substrate surfaces. The protective coating is mainly composed of absolute ethyl alcohol, n-butyl alcohol, vinyl resin, polyketone resin and the like. The protective coating provided by the invention is suitable for various materials of electrical equipment, such as inorganic materials (ceramic, concrete, cement, glass and the like), organic materials (such as polystyrene plastic, acrylic plates and the like), metals (cold-rolled steel plates, stainless steel plates and aluminum-coated zinc plates) and the like, and shows excellent adhesion to various base materials.

The invention provides water-based environmental protection paint specially used for a container, which belongs to the technical field of paint. The water-based environmental protection paint specially used for the container is prepared from, by weight, the following raw materials: 20-35 parts of water-based alkyd resin, 3-6 parts of a solvent, 1-2.5 parts of a pH regulating agent, 10-30 parts ofdeionized water, 0.3-0.4 part of a defoaming agent, 1-3 parts of a dispersant, 5-10 parts of organic bentonite, 0.1-0.5 part of a dryer, 1-2 parts of nanometer aluminum oxide, 1-3 parts of an ultraviolet ray absorbent, 0.2-0.5 part of graphene oxide, 20-30 parts of pigments and fillers, 0.5-1 part of a water-based oil resistance agent, 0.3-0.8 part of a wetting agent, and 5-10 parts of a poly(tetrafluoroethylene) solution, wherein the water-based alkyd resin is a water-soluble self-drying alkyd resin. A coating prepared by the water-based environmental protection paint specially used for the container of the invention has the characteristics of smooth surface without pinholes, oil resistance of more than 1000 h, and excellent stain resistance performance.

The invention discloses an unmodified silica sol / polystyrene-acrylate nano core-shell emulsion and a preparation method thereof. Using commercially available alkaline silica sol, styrene, and acrylic ester monomers as the main raw materials, there is no need for tedious surface modification of nanoparticles. Under the action of reactive emulsifiers, the seed monomers will 2 Surface in-situ polymerization, followed by shell monomer polymerization to form high silica sol / polystyrene-acrylate nano-core-shell polymer emulsion, which has small particle size, high silicon content, high coating rate, stability, etc. Various properties. The method has simple production process and rapid synthesis, and the obtained composite latex has an obvious nano-core-shell composite structure, with nano-silica as the core and styrene-acrylic polyester as the shell; it has good water resistance, stain resistance, and heat resistance. Non-toxic, acid and alkali resistance and other properties, and environmental protection, flame retardant, good transparency. It can be widely used in various coating fields such as high-grade architectural coatings, electronic packaging materials, ship anti-corrosion coatings, etc.