553 results about "Triglycidyl isocyanurate" patented technology

The invention relates to thermosetting acrylic resin for a powder coating. The thermosetting acrylic resin is prepared from the following raw materials in parts by mass: 4-14 parts of an initiator, 110-280 parts of soft monomers, 400-570 parts of hard monomers, 192-450 parts of functional monomers, and 1-8 parts of a molecular weight regulator, wherein the soft monomers refer to acrylic acid alkyl ester compounds, and the hard monomers refer to methacrylate, styrene, or compounds of derivatives of methacrylate and styrene. The acrylic resin contains epoxy functional groups and hydroxyl functional groups simultaneously, wherein the epoxy equivalent is 570-630g/mol and the hydroxyl value is 40-50mgKOH/g; the acrylic resin can react with various substances such as carboxyl, amidogen and isocyanate and can be used for powder coating. A coating film, which is formed after the thermosetting powder coating prepared from the acrylic resin in combination with other materials is sprayed, has excellent weather resistance, good leveling performance, outstanding surface hardness, and high glossiness, durability and decorating performance; the powder coating can be used for indoor or outdoor metal sectional materials or building materials. The thermosetting acrylic resin can substitute for TGIC (triglycidyl isocyanurate) to a certain extent so as to avoid the use of the toxic substances.

The invention discloses a powdery paint for aluminum profile and a preparation method thereof. The powdery paint is composed of carboxyl-terminated saturated polyester resin, triglycidyl isocyanurate (TGIC), titanium dioxide, precipitated barium sulfate, a brightener, a leveling agent and benzoin. The preparation method contains the following steps of: batch mixing, melt extrusion, crushing and ultrafine comminution. The powdery paint for aluminum profile has low curing temperature. By the adoption of the powdery paint, volatilization amount of residual TCIC low molecular organic matter is reduced. The powdery paint is beneficial to environmental protection and the health of human body. In addition, the appearance of the film is more flattening and fine.

The invention mainly aims to provide a preparation method of electronic grade triglycidyl isocyanurate (TGIC). In order to realize the aim, the technical scheme in the invention is as follows: the preparation method of electronic grade TGIC comprises the following steps: a) adding epichlorohydrin, cyanuric acid, quaternary ammonium salt phase transfer catalyst and water according to a ratio, heating and stirring to react; b) adding flake caustic soda in the reaction system obtained in the step a) to react, then performing pressure filtration to remove solid salt; and c) performing vacuum distillation after the reaction, then using a high vacuum film evaporator to distill and remove epichlorohydrin, crystallizing the coarse product, centrifuging, grinding, and drying to obtain electronic grade TGIC. According to the treatment method provided by the invention, the purity of the TGIC product can be effectively increased, and the purity of TGIC can be increased from 92% to more than 99%, which reaches the electronic grade.

The invention discloses a triazine crosslinking compound, a preparation method and applications thereof, wherein, the preparation method comprises the following steps: a multi-amidocyanogen compound is added into melt triglycidyl isocyanurate and reacts for 1-3 hours to obtain a pre-polymer, wherein, the molar ratio of the triglycidyl isocyanurate to the multi-amidocyanogen compound is 1:3-1:1; the pre-polymer is placed in an air dry oven at 120-180 DEG C to slake for 4-6 hours, and the triazine crosslinking compound is obtained. Compared with the reported preparations of triazine flame retardants, the preparation method has simple and easy operation, requires no solvent and discharges no harmful substance. The obtained triazine crosslinking compound has good thermal stability and water resistance and can be compounded with ammonium polyphosphate as a carbon source and an air source to generate an intumescent flame retardant which has good inflaming retarding effect when applies to the inflaming retarding of the polymers, and the obtained carbon layer shows a compact and continuous structure.

The invention relates to a nitrogen, silicon and chlorine thee-element synergic flame retardant tri{2-chloro-3-[tri(chloroethoxy)silicon acyloxy]propyl}isocyanurate compound and a preparation method thereof. The structure of the compound is shown as a formula in the specification. The preparation method comprises the following steps: dripping organic solvent solution of triglycidyl Isocyanurate into silicon tetrachloride, and reacting for 4 to 6 hours at a temperature of between 50 and 70 DEG C; and cooling to 30 DEG C, introducing ethylene oxide under the liquid surface, reacting for 2 to 3 hours at a temperature of between 45 and 55 DEG C, and purifying to obtain the tri{2-chlor-3-[tri(chloroethoxy)silicon acyloxy]propyl}isocyanurate. The compound has good flame retardant plasticization, and is suitable for flame retardant plasticizer such as polyvinyl chloride, polyurethane, epoxy resin, unsaturated resin and the like; and the method has simple production process and low cost, and is easy for industrial production.

The invention belongs to the technical field of new materials and discloses a sand pattern powder coating for aluminum profiles as well as a preparation method and application thereof. The coating is prepared from the following raw materials in percentage by weight: 50-60% of saturated carboxyl polyester resin, 3.7-4.5% of triglycidyl isocyanurate, 17-27% of titanium dioxide, 13-20% of precipitated barium sulfate, 0.2-1.5% of bentonite, 0.2-0.7% of sand pattern agent, 0.3% of carbon black, 0.1-0.2% of pink and 0.1-0.2% of phthalocyanine blue. The preparation method comprises the following steps of: putting the raw materials into a mixing cylinder and premixing the raw materials; carrying out melt extrusion on the premixed raw materials and then pressing the materials into flakes; cooling the flakes to room temperature, crushing the flakes and then carrying out fine crushing; and screening the finely crushed materials to obtain the product.

The present invention provides thermosetting polyester powder or epoxy-containing acrylic powder compositions comprising one or more curing agent adduct of a polyester, preferably a linear polyester, wherein when the said curing agent adduct comprises an adduct of one or more polyepoxy compound, the said polyepoxy compound has an average of 2.01 or more epoxy groups per molecule. The compositions provide flexible coatings, films and capstocks having improved impact resistance, especially for use in automotive and architectural applications. To improve impact strength of coatings and films provided thereby, the compositions comprise curing agent adducts of one or more polyepoxy compound chosen from triglycidyl isocyanurate (TGIC) and triglycidyl trimellitate with a carboxyl functional polyester having a carboxyl equivalent weight of 602 or more. In addition, to further improve the impact strength of coatings and films provided thereby, the compositions may comprise one or more adjunct curing agent, such as glycoluril, an aminoplast resin or a blocked isocyanate.

The invention relates to a preparation method of polyester resin capable of being used for an outdoor dry mixed extinction powder coating. The preparation method is characterized by comprising the following steps of: adding polybasic acid or anhydride, polyatomic alcohol, a catalyst and an antioxidant according to a mass ratio into a reaction kettle for mixing; introducing nitrogen; heating to a temperature of 100-300 DEG C until a reaction solution is completely clarified to obtain A-component polyester resin; adding polybasic acid or anhydride, polyatomic alcohol, a catalyst and an antioxidant into the reaction kettle to be mixed; introducing nitrogen; heating to a temperature of 100-300 DEG C until a reaction solution is completely clarified; and carrying out vacuum condensation polymerization on the clarified reaction solution until an acid value is 10-50 mg KOH/g and a viscosity is 30-100 P to obtain B-component polyester resin; mixing the A-component polyester resin with triglycidyl isocyanurate, barium sulfate, titanium dioxide, a flatting agent, a brightener and benzoin according to a mass ratio to obtain a powder coating I; mixing the B-component polyester resin with triglycidyl isocyanurate, barium sulfate, titanium dioxide, a flatting agent, a brightener and benzoin to obtain a powder coating II; and mixing the powder coating I with the powder coating II to obtain the powder coating with low brightness. The preparation method has the advantages of stable extinction effect of outdoor dry mixed extinction polyester, better coating property and the like.

The invention relates to an organic hypophosphite containing a triazine ring structure and a method for preparing the same. The organic hypophosphite containing the triazine ring structure is prepared from the hypophosphite and the triglycidyl isocyanurate which serve as the main raw materials. The method comprises the following steps: subjecting the triglycidyl isocyanurate and the hypophosphite to reaction in a solvent system for a certain time at a certain temperature; filtrating; washing; drying; and grinding to obtain the organic hypophosphite containing the triazine ring structure. The method has the characteristic of readily-available raw materials, simple process and safe production and operation. The organic hypophosphite prepared by adopting the method has good thermal stability and excellent overall performance, can be used as the flame retardant, rare metal ion extractant and scale and corrosion inhibitor and has a good application prospect.

The invention relates to a high-temperature-resistant powder coating with good gloss-retention performance. The high-temperature-resistant powder coating is characterized by comprising the following constituents in mass percentage: 58-62 parts of polyester resin, 4-5 parts of TGIC (Triglycidyl Isocyanurate) curing agent, 0.2-0.5 part of wax powder, 0.3-1 part of organic soil, 1.5-2.5 parts of ammonium polyphosphate temperature resistant auxiliary, 0.3-0.6 part of phosphite ester antioxidant, 0.1-0.3 part of a sand ripple agent, 0.6-1.2 parts of carbon black, 20-30 parts of precipitated barium sulphate, and 2-5 parts of asbestos powder.

The invention discloses an antibiotic powdery paint for aluminium profile and a preparation method thereof. The antibiotic powdery paint comprises carboxyl end group saturated polyester resin, triglycidyl isocyanurate (TGIC), titanium dioxide, precipitated barium sulfate, antibiotic mildew inhibitor, brightener, levelling agent and benzoin. A preparation method comprises steps of batch mixing, fusion extrusion, fragmentation and fine crushing. The antibiotic powdery paint for aluminium profile prepared by the method of the invention has good antibiotic and mildew-resistant effects, long-lasting antibiotic and mildew-resistant effects, good compatibility with main film forming substances in powdery paint and no influence on decorative effect of powdery paint.

The invention discloses a fluorine resin-modified polyester powder coating for an aluminum profile. The fluorine resin-modified polyester powder coating comprises multiple auxiliaries and pigments such as carboxyl-terminated saturated polyester resin, TGIC (triglycidyl isocyanurate), FEVE (fluoroethylene vinyl ether) fluorine resin, an isophorone diisocyanate tripolymer, a flatting agent, a brightening agent, benzoin and precipitated barium sulphate. A preparation method for the powder coating comprises the following steps of premixing the raw materials of the powder coating, and performing melted extrusion, tabletting, crushing and screening to obtain a finished product. The weather resistance of the powder coating can be greatly improved, the heat resistance and cold resistance of a film can also be improved, influence on decoration effects and the preparation method of the powder coating is avoided, and the price of the powder coating can be accepted by domestic users.

The invention discloses a liquid photo-imageable electrostatic-spraying solder mask for a PCB. The liquid photo-imageable electrostatic-spraying solder mask consists of a main agent and a curing agent at the mass ratio of 3: 1, wherein the main agent consists of photosensitive resin, NA, melamine, a photoinitiator, a photosensitizer, an additive, talcum powder, barium sulfate, a dibasic ester solvent and tetramethylbenzene; the curing agent consists of novolac epoxy resin, light curing monomers, 1,3,5-triglycidyl isocyanurate, barium sulfate, dipropylene glycol monomethyl ether and a dibasic ester solvent. The liquid photo-imageable electrostatic-spraying solder mask is suitable for an automatic electrostatic spraying drying line, and has favorable resolution, excellent adhesion and extremely good solder coating resistance and chemical resistance, a liquid photo-imageable electrostatic-spraying solder mask film subjected to high-temperature hardening has high insulativity, high water resistance and gold and tin immersion resistance, and the liquid photo-imageable electrostatic-spraying solder mask is suitable for the conventional PCB solder mask operation procedure.

The present invention relates to a layer separation type powder coating material composition which has good weather resistance and is reduced in the production cost. The present invention specifically relates to a powder coating material composition which contains a fluororesin containing a hydroxyl group or a carboxyl group, a polyester resin containing a hydroxyl group or a carboxyl group, and a curing agent that is selected from the group consisting of beta-hydroxyalkyl amide, triglycidyl isocyanurate and isocyanate compounds, and which is capable of forming a coating film that comprises a fluorine coating film layer and a polyester coating film layer.

The invention relates to a preparation method of triglycidyl isocyanurate (I). The preparation method of triglycidyl isocyanurate is characterized by comprising the following steps: stirring triallyl isocyanurate in the presence of alcohol, acid carbonate and nitrile; adding 30% of hydrogen peroxide and stirring the mixture at 25-60 DEG C to keep the reaction for 6-10 hours, and then completing the reaction; performing aftertreatment on the reaction liquid to obtain the triglycidyl isocyanurate. The yield is more than 80.0%.