40 results about "Ortho-hydroxybenzophenone" patented technology

The present invention provides a hydrotalcite composite environmental protection stabilizer for PVC, wherein the hydrotalcite composite environmental protection stabilizer is prepared from the following raw materials by weight: 20-30 parts of modified magnesium aluminum hydrotalcite, 10-12 parts of octyl tin mercaptide, 6-9 parts of lanthanum laurate, 1-3 parts of triphenyl phosphite, 3-6 parts of zinc stearate, 2-4 parts of stearic acid, 2-4 parts of epoxidized soybean oil, 20-24 parts of diisononyl phthalate, 5-6 parts of carbitol, 2-3 parts of o-hydroxybenzophenone, and 10-15 parts of heavy calcium carbonate. According to the present invention, the PVC stabilizer has characteristics of good thermal stability, good processing performance, environmental protection, no toxicity, low cost, good plasticity and balance torque reducing during the PVC processing process, and low cost.

The invention belongs to the technical field of macromolecule materials and provides an ultraviolet-resistant organic silicon adhesive and a preparation method thereof. The ultraviolet-resistant organic silicon adhesive comprises a component A and a component B, wherein the component A comprises the following components in parts by weight: 20-50 parts of an epoxy group containing alkene type unsaturated compound, 10-18 parts of vinyl terminated polysiloxane of 400-2000cps, 0.5-1 part of polyvinyl polysiloxane and 0.009-0.1 part of a platinum catalyst; the component B comprises the following components in parts by weight: 25-40 parts of f vinyl terminated polysiloxane of 400-2000cps, 10-16 parts of terminated hydrogen-containing polysiloxane, 5-10 parts of o-hydroxydibenzophenone and 0.5-5parts of a polyallyl compound; and the weight percentage of platinum in the platinum catalyst is 0.1-0.15%. The component A is prepared in an opening system, the component B is prepared in a sealed system, and the two components are mixed to prepare the adhesive. By adopting the preparation method of the ultraviolet-resistant organic silicon adhesive, production conditions can be simplified, the production time can be shortened, and the prepared ultraviolet-resistant organic silicon adhesive has a very high refractive index, light transmittance and ultraviolet aging resistance.

The invention discloses a high-flame-retardant, high-strength and high-temperature-resistant easy-to-form thermoplastic plate and a preparation method thereof, and belongs to the field of easily-formed thermoplastic plates. The thermoplastic plate is prepared from the following raw materials by weight: 10-30 parts of MBS, 10-30 parts of polyvinyl chloride resin, 30-45 parts of ABS, 8-15 parts of PMMA, 1-2 parts of a heat stabilizer, 0.5-2 parts of an auxiliary stabilizer, 1-2 parts of an o-hydroxybenzophenone derivative, 1-4 parts of an outer lubricant, 1-4 parts of an inner lubricant, 1-2 parts of a processing aid, 2-5 parts of an impact modifier and 0-1 part of a pigment. When the temperature increases to 80 DEG C, the processing aid, the pigment and the impact modifier are added in parts by weight; when the temperature increases to 125 DEG C, the mixture is fed into a cold mixing device to be cooled and stirred, the stirring speed being 80 rpm; and the product is obtained when the temperature decreases to 40 DEG C. The product is reasonable in components and simple to prepare, has remarkable advantages and is suitable for popularization and application.

The invention relates to the technical field of foamed plastics, and specifically discloses seawater corrosion resistant thermoplastic polyurethane elastomer rubber. The seawater corrosion resistant thermoplastic polyurethane elastomer rubber is prepared from the following components: TPU (thermoplastic polyurethane elastomer), EPDM (Ethylene-Propylene-Diene Monomer) thermoplastic elastomer, hydrogenated carboxylated butyronitrile, dioctyl phthalate, dibutyl phthalate, dioctyl adipate, ortho-hydroxy benzophenone, ultraviolet absorbent, reinforcement filling agents, silane coupling agents and calcium sulfide. The invention further discloses a preparation method of the seawater corrosion resistant thermoplastic polyurethane elastomer rubber. The preparation method comprises the following manufacturing steps of (S1) matching and weighing; (S2) mixing rubber materials; (S3) adding accessory ingredients; (S4) modifying the coupling agents; (S5) extruding at a first stage; and (S6) extrudingat a second stage. The seawater corrosion resistant thermoplastic polyurethane elastomer rubber has the beneficial effects that the formula is reasonable, the seawater corrosion resistant performanceis improved by mixing the EPDM thermoplastic elastomer, the self tensile strength and compressive strength are increased through supercritical extrusion, and the service life is long.

The invention discloses a method for synthesizing an o-hydroxy benzophenone-rare earth coordination compound. The synthesis method comprises the following steps: firstly, mixing o-hydroxy benzophenone, water soluble rare earth salt, alkali and water used as a reaction medium according to the stoichiometric ratio at a temperature below the melting point of the o-hydroxy benzophenone, then stirring, regulating the temperature, reacting, completing the reaction and obtaining a product of the o-hydroxy benzophenone-rare earth coordination compound by filtering, washing, dewatering and drying the obtained product. The invention realizes that the water is used as the reaction medium for synthesizing the o-hydroxy benzophenone-rare earth coordination compound by a one-step reaction; compared with the prior art requiring taking an organic solvent as the reaction medium, the operation is greatly simplified, the yield, the production efficiency, the environmental protection and the safety are obviously enhanced, and the production cost is correspondingly lowered.

The invention discloses an epoxy resin composite material, which is prepared from the following raw materials in parts by weight: epoxy resin, rice straw ash, sodium lauryl sulfate, fumed silicon dioxide, polytetrafluoroethylene, propylene glycol methyl ether acetic acid Ester, o-hydroxybenzophenone, water emulsion polyethylene wax, diethyl terephthalate, polyethylene glycol monomethyl ether, n-butanol, polyvinyl alcohol, appropriate amount of water. Beneficial effects of the invention: the production cost is reduced and the performance of the product is improved, and has the advantages of high mechanical performance, high toughness, excellent tensile performance and bending performance, anti-aging, waterproof and heat preservation, and the like.

The invention discloses a flame-retardant polyester material, a preparation method thereof, a granule and a fiber product. An o-hydroxybenzophenone derivative, acid anhydride, 2-hydroxyethyl isocyanurate, chloroethanol, terephthalic acid and ethylene glycol are used as raw materials, the defect that traditional polyester is inflammable is overcome, and reaction steps are simple and are easy to operate; 2-hydroxyethyl isocyanurate is adopted as one of the raw materials, so that the reaction activity of -OH and-NH2 is high, the reaction flexibility is high, the nitrogen content is high, and theflame retardance of the material is outstanding; the o-hydroxybenzophenone derivative is used as one of the raw materials, the o-hydroxybenzophenone derivative has an ultraviolet absorption effect andcan be used as a light stabilizer, para-hydroxyl groups in the structure can be used as reaction points for esterification, and the contained benzene ring structure is similar to a polyester structure, so good compatibility and facilitation of wide promotion and application are achieved.

The invention discloses a method for preparing anti-aging coating for numerical-control machine tools. The anti-aging coating comprises, by weight, 20-40 parts of anti-aging coating base solution and30-100 parts of anti-aging additives. The anti-aging coating can be obtained after the anti-aging coating base solution and the anti-aging additives are uniformly mixed with one another. The anti-aging coating base solution comprises, by weight, 30-90 parts of epoxy resin and 40-60 parts of polyvinyl chloride resin. The epoxy resin and the polyvinyl chloride resin are stirred and mixed with each other, and the anti-aging coating base solution can be obtained after the epoxy resin and the polyvinyl chloride resin are completely stirred. The anti-aging additives comprise, by weight, 2-6 parts ofpotassium methyl silanol, 6-10 parts of ortho-hydroxybenzophenone and 1-2 parts of ortho-hydroxybenzotriazole. The potassium methyl silanol, the ortho-hydroxybenzophenone and the ortho-hydroxybenzotriazole are mixed and stirred with one another, then 0.5-2 parts of carbon black are added into the potassium methyl silanol, the ortho-hydroxybenzophenone and the ortho-hydroxybenzotriazole, the carbon black, the potassium methyl silanol, the ortho-hydroxybenzophenone and the ortho-hydroxybenzotriazole are stirred, and the anti-aging additives can be obtained after the carbon black, the potassiummethyl silanol, the ortho-hydroxybenzophenone and the ortho-hydroxybenzotriazole are completely stirred. The method has the advantages that special base solution formulas are adopted, the anti-aging additives with diversified components are used, the anti-aging coating is prepared by the aid of the repeated stirring method, accordingly, good anti-aging effects can be realized by the anti-aging coating prepared by the aid of high-temperature heating processes, and the operational performance of the numerical-control machine tools can be greatly improved.