31results about How to "Self-emulsifying" patented technology

The invention discloses hydrophilic block polyether amino silicone oil with an amino branched chain and a preparation method thereof. The hydrophilic block polyether amino silicone oil with the amino branched chain has the following structure as shown in the specification, wherein R1 is represented by formulas shown in the specification. The preparation method comprises the following steps: carrying out mixing reaction of tetramethyl dihydro disiloxane, polysiloxane and concentrated sulfuric acid, neutralizing with anhydrous sodium carbonate, carrying out reduced pressure pumping to remove a low-boiling-point substance, and thus obtaining silicone oil with the end containing hydrogen; carrying out mixing reaction of the silicone oil with the end containing hydrogen, allyl epoxy polyether and a catalyst, and thus obtaining epoxy silicone oil; carrying out mixing reaction of the epoxy silicone oil, polyether amine and a solvent, and thus obtaining block polyether amino silicone oil; and carrying out mixing reaction of the block polyether amino silicone oil, a silane coupling agent hydrolysate and an alkali catalyst, neutralizing with glacial acetic acid, and thus obtaining the hydrophilic polyether amino silicone oil with the amino branched chain.

The invention belongs to the technical field of paint, and discloses an air-dry room temperature curing water-based epoxy waterproof paint and a preparation method and application thereof. The preparation method of the waterproof paint comprises the steps of: premixing an epoxy resin system, a compound amine curing agent and an organometallic carboxylate drier, adding aqueous-phase slurry, performing even stirring, and carrying out curing at room temperature to obtain the waterproof paint; the compound amine curing agent comprises bi-active polyamide, a reactive diluent, a polyamine-epoxy adduct, polyamine, phenolic amine and an assistant. The waterproof paint has excellent waterproof performance, and can be used as anticorrosive paint, interface treatment agents, pore-sealing agents, grouting materials and porous moulds with pore-sealed surfaces.

A polyesteramine comprises at least one tertiary amine group, at least one ester linkage and at least one alkyl chain. It is produced by reacting at least one tertiary amine functional polyol, at least one polyfunctional carboxylic acid and at least one monofunctional carboxylic acid or monofunctional alcohol. The polyesteramine can be used in cosmetic and lubricant applications as a result of its substantivity and lubricity properties.

The invention belongs to the technical field of the leather chemical industry, and discloses composite fatliquor and a preparation method thereof. Long carbon alkane, maleic anhydride, high-carbon alcohol and fatty alcohol-polyoxyethylene ether serve as raw materials. Firstly, the long carbon alkane and maleic anhydride are subjected to a grafting reaction; then, the high-carbon alcohol and the fatty alcohol-polyoxyethylene ether are subjected to an esterification reaction with the excessive maleic anhydride; and finally, the composite fatliquor is obtained by sulfonating sodium sulfite and adjusting pH and solid contents. According to the preparation method of the composite fatliquor, the self-emulsifying performance of the long carbon alkane is improved through graft modification, and the application of the raw materials in the leather fatliquor is widened significantly. The composite fatliquor is good in dielectric resistance; after fatliquoring, leather is light, puffy, soft and free of peculiar smell and has a certain waterproof effect.

The invention discloses a water-based polyester primer for enhanced printing and aluminum plating and a preparation method thereof, belonging to the field of chemical primer preparation. The primer is composed of the following components by weight: 25-45 water-soluble polyester polyol resins, 42-70 deionized water and 5-13 cosolvents; The molecular mass is 12000-18000, the acid value is less than 2mgKOH / g, the hydroxyl value is 5-10mgKOH / g, and the glass transition temperature is 60-70°C. The primer has a solid content of 25-45 percent, a rotational viscosity of 50-200 mPa·s at 25° C. and a pH value of 4-7. The water-based primer has excellent bonding strength with the PET film, ink layer, and aluminum-coated layer. The PET printing film and PET aluminum-plated film using the water-based primer have excellent water resistance, high temperature resistance, and internal resistance. Stress shrinkage and other properties.

The invention relates to the field of high molecular materials, and specifically relates to a preparation method of binary acid chain extension modified epoxy resin. The preparation method comprises the following steps: adding epoxy resin and dihydric alcohol into a reactor, enabling the molar ratio of epoxy resin to poly dihydric alcohol to be (2: 1) to (10: 1), heating and stirring, so that themixture is dispersed uniformly, using a hydrochloric acid-acetone method to measure an initial epoxy number, then adding a catalyst, raising the temperature until 110 to 175 DEG C, reacting for 2 to 3h, using the hydrochloric acid-acetone method to measure an epoxy number remaining after the reaction to reach an expected epoxy number, then adding mixed acid compounded with monobasic acid and binary acid into the product, raising the temperature, stirring and mixing uniformly, enabling the molar ratio of monobasic acid to binary acid is (1: 1) to (1: 5), then adding an accelerant, reacting for3 to 5 h at the temperature of 110 to 150 DEG C, and finally obtaining the product being binary acid chain extension modified epoxy resin. The preparation method solves the problem that an existing carbon fiber sizing agent is complex in emulsification technology, unstable in emulsion storage, low in strand bundling after sizing, hardened in strands, low in adhesiveness with matrix resin and thelike.

The invention discloses a method for preparing a room temperature fast-drying epoxy curing agent dispersion, which is characterized in that at least one sulfonate and at least one nonionic polyether structure are introduced into the curing agent structure, which can realize the self-curing of the curing agent. emulsification. The preparation of the curing agent described in the present invention has many advantages such as simple synthesis process, excellent salt spray resistance, fast drying at room temperature, stable particle size, low VOC, etc., and can be used in but not limited to the curing of epoxy dispersions in the field of heavy anticorrosion Such as construction machinery, rail transit, steel structure applications.

The invention relates to a cationic self-emulsifying water-based epoxy resin fast-drying curing agent, which contains hydrophilic quaternary ammonium salt cations and non-ionic long-chain water-based groups in its molecular structure; multiple fatty amines are located in the curing agent The branch position can react with epoxy resin for curing. The molecular structure of the curing agent of the present invention contains repeated hydrophilic quaternary ammonium salt cations and non-ionic long-chain water-based groups; the multi-component fatty amine that can react with epoxy resin has self-emulsifying properties, and at the same time the multi-component fatty amine The amine structure makes it react with epoxy resin with higher crosslinking density and faster surface drying, so that it has the characteristics of fast curing speed. The epoxy resin cured by the present invention has the advantages of high hardness and sufficient toughness.

The invention relates to a block polyether elastic silicone softener and its preparation method and application. An existing silicone softener with a body structure has good softness and smoothness of the fabric treated with it, and has excellent elasticity, but this softener needs to be emulsified with a large amount of emulsifier, and the product stability is not good. Therefore, it is not conducive to widespread use. The present invention adopts three kinds of compounds having general formula A, general formula B and general formula C to prepare a kind of organic silicon softener of novel network structure through epoxy addition reaction, change softener structure to (An1Bn2Cn3)p, n1 is 1‑3, n2 is 1‑3, n3 is 1‑3, p is 1‑10. The block polyether silicone softener of the present invention can endow the fabric with a soft, slippery, fluffy and elastic hand feel, especially its excellent elastic hand feel style characteristics, and has self-emulsification and excellent acid, alkali and salt resistance. properties such as chemical stability.

The invention discloses an adjuvant for animal vaccines, and a preparation method and application thereof. The adjuvant for animal vaccines comprises the following raw materials by volume: 75 to 90% of low-density mineral oil, 1 to 10% of octyl and decyl glycerate and Span-80, 0.5 to 5% of glycerin and polyglycerol isostearate and 1 to 10% of polyethylene glycol-12-hydroxystearate-15, Tween-80 and propylene glycol, wherein the amount of Tween-80 is in a range of 0 to 5%. The preparation method comprises the following steps: weighing the low-density mineral oil; then adding octyl and decyl glycerate, Span-80, glycerin, polyglycerol isostearate, 1 to 10% of polyethylene glycol-12-hydroxystearate-15, Tween-80 and propylene glycol; and carrying out mixing and standing. The adjuvant provided by the invention has safety, stability and self-emulsifying performance, has low sensitivity to temperature in the process of emulsification, can form a water-in-oil-in-water spatial structure, and is extensively applicable to preparation of animal vaccines.