46results about How to "Has defoaming effect" patented technology

The invention relates to a composition for manufacturing a corrosion-resistant and abrasion-resistant coating as well as a preparation method and application thereof. The composition comprises a component A and a component B, wherein the component A is prepared from the following raw materials in proportion: 20-50 parts of liquid epoxy resin, 3-25 parts of hyperbranched epoxy resin, 5-15 parts of epoxy resin active diluent, 0.5-1.0 part of coupling agent, 1-3 parts of flatting agent, 20-40 parts of smergal, 8-15 parts of ground quartz, 8-40 parts of talcum powder, 8-15 parts of mica powder and 1-2 parts of fumed silica; the component B is prepared from the following raw materials in proportion: 45-75 parts of modified alicyclic amine, 30-65 parts of modified polyamide and 1-5 parts of curing accelerator; and the weight ratio of the component A to the component B is (100:20)-(100:23). The coating composition prepared by mixing the component A with the component B has the characteristics of corrosion resistance, abrasion resistance, impact resistance, good thermal stability and convenience for construction.

The invention discloses an anti-corrosion super-hydrophobic heat reflecting paint and a preparation method thereof. The anti-corrosion super-hydrophobic heat reflecting paint is prepared from the following raw materials: modified nano TiO2, modified nano SiO2, micron TiO2 and / or SiO2, fluorocarbon resin, a solvent, a curing agent, a defoaming agent, a wetting dispersant and a flatting agent. After experiments, the heat reflecting rate of the obtained product reaches 90 percent or more, the water contact angle reaches 145 degrees or more, and the product can meet the requirements on a coating under outdoor severe environments.

The invention discloses a low air-entraining viscosity reducing polycarboxylic water reducer which is formed by free radical polymerization of an alkyl phosphotriester mixture, TPEG and unsaturated carboxylic acid under the action of an initiator and a chain transfer agent. By introducing an alkyl phosphotriester monomer containing two double bonds to a main chain, molecules of the obtained polycarboxylic water reducer are of heterocyclic multibranched structures, so that the thickness of a polycarboxylic water reducer adsorption layer is increased, the plastic viscosity of concrete can be remarkably reduced, and meanwhile, by introducing the phosphotriester structure into the molecules of the polycarboxylic water reducer, the foaming property of the obtained polycarboxylic water reducer can be effectively improved and the air entraining property thereof can be reduced. The low air-entraining viscosity reducing polycarboxylic water reducer prepared by the invention is low in dosage and high in water reducer rate, the air entraining property of the low air-entraining viscosity reducing polycarboxylic water reducer can be reduced, the strength and durability of the concrete are improved while the viscosity of high grade concrete is remarkably reduced, and the raw materials are low in cost, the reaction condition is mild, and the low air-entraining viscosity reducing polycarboxylic water reducer is suitable for being popularized and applied.

The invention discloses a high-performance de-foaming agent and a preparation method thereof. The high-performance de-foaming agent is prepared from following raw materials in parts by weight: 10-70 parts of mineral oil, 1-10 parts of white carbon black, 5-30 parts of modified silicon polyester, 1-5 parts of fatty acid amide type anionic surfactant, 1-3 parts of nano silicon dioxide and 100-400 parts of de-ionized water. The de-foaming agent can keep good foam elimination and inhibition effects under a lower concentration or a lower temperature and is suitable for eliminating a coating system containing styrene-acrylate, pure acrylic, ethyl acrylate, polyvinyl acetate and butylbenzene emulsion; the high-performance de-foaming agent is particularly used for eliminating foams in the coating system for a building; with regard to a transportation or long-period storage process of coatings, the high-performance de-foaming agent has good compatibility with the coatings so that the system has good stability; the high-performance de-foaming agent has the advantages of rapid de-foaming speed, rapid drying speed, less use amount and good performance for assisting film formation, and does not have the bad consequences of blocking an ultra-filtering film, generating fisheyes, shrinking holes and the like.

A therapeutic agent for tympanites in a ruminant animal, which is characterized by comprising a cashew nut shell oil, a heat-treated cashew nut shell oil, anacardic acid, cardanol, or a combination of anacardic acid and cardanol.

The invention discloses a method for modifying acrylic ester by using organic silicon. The method comprises the following steps of: reacting amino silane or amino silicone oil with the molecular weight of 100-10 000 with the acrylic ester containing an isocyanate group for 2-24 hours, wherein the molar ratio of the isocyanate group to amino is 1:(0.9-6). The synthesis method for modifying the acrylic ester by using the organic silicon provided by the invention is free from side reaction occurrence, simple in synthesis method, and high in product purity, and the obtained modified acrylic ester not only can be independently photo-cured to form a membrane, but also can be used as a reactive diluent in an ultraviolet photo-curing system.

The invention relates to iodine disinfection liquid and a preparation method thereof. The iodine disinfection liquid is prepared from the components in percentage by mass: 1.5-3.5% of iodine, 0.5-1.5%of cosolvent, 40-50% of ethyl alcohol, 1.0-2.0% of octylphenol polyoxyethylene ether-10 (OP-10), 4.5-5.5% of polyvinylpyrrolidone (PVP), 4.0-6.0% of traditional Chinese medicine composition, 0.5-1.5%of pH regulator, 4.5-5.5% of stabilizer, and the balance of water. According to the iodine disinfection liquid, the effective sterilization iodine amount is increased, the sterilization efficacy is improved synergistically through the added traditional Chinese medicine components, and thus the iodine disinfection liquid is high in sterilization efficacy, high in safety and good in stability.

The invention relates to the technical field of daily chemical products and in particular to a clean effervescent tablet with pesticide residue and bacteria removing effects and a preparation method of the clean effervescent tablet. According to the preparation method disclosed by the invention, a specific surfactant is combined with a special wet granulation process, so that the feasibility of the production process is ensured. The clean effervescent tablet has the advantages that no dryness or stickness is caused; the adhesion of foam to the surface of a disintegrating agent can be inhibited, the disintegration speed is increased and an effervescent effect is quickly exerted; in the disintegration and dispersion process, the efficient alkaline supplementing effect on a solution system is realized by synergizing a bacteria remover with an alkali-source supplement, fruit wax and pesticide left on vegetables and fruits can be effectively removed, and the aims of effectively removing escherichia coli and staphylococcus aureus are achieved. By using the alkali-source supplement with a special structural form, metal ions in the water body and on the surface of the vegetables and the fruits can be effectively chelated, the effects of softening the water body and chelating the metal ions are realized, and the deposition of calcium scales on the surfaces of cleaned materials is prevented; in addition, a variety of calcium scales or stains are dispersed, so that secondary pollution to tableware, the fruits and the vegetables caused by deposition is prevented.

The invention discloses a high-carbon alcohol emulsion type defoaming agent and a preparation method thereof. The defoaming agent is prepared from the following raw materials in parts by mass: 2 to 5 parts of palmitic acid, 0.2 to 0.6 part of propylene glycol, 4 to 10 parts of n-caprylic alcohol, 6 to 20 parts of pentaerythritol ester stearate, 5 to 12 parts of hexacosyl alcohol, 12 to 30 parts of microcrystalline wax, 2.5 to 7.5 parts of an emulsifier, and water. The defoaming agent is of an emulsion shape containing multiple high carbon alcohols, and has a defoaming effect. In addition, compared with an organic silicon defoaming agent and a polyether defoaming agent, the high-carbon alcohol emulsion type defoaming agent obviously reduces the cost.

The invention discloses a high-wettability epoxy resin composite material and an application. The high-wettability epoxy resin composite material is prepared from the raw materials including epoxy resin, a curing agent, an accelerant and an antifoaming agent. Based on the antifoaming effect of the antifoaming agent on the epoxy resin and a perfect wetting effect on carbon fiber when the proportion of the antifoaming agent in the epoxy resin system is over 1% and with the supplemented synergistic effect between appropriate curing agent and accelerant and excellent mechanical properties of the epoxy resin, the composite material shows good wetting property on the carbon fiber in use, and a carbon fiber prepreg with low resin content can be prepared; and moreover, the preparation method of the carbon fiber prepreg with low resin content has the advantages of easiness, high efficiency, low cost and huge potential of industrial production while the product has the characteristics of low porosity, high strength and the like.

The invention relates to a solvent-free foaming material. The solvent-free foaming material is prepared from, by weight, 95-105 parts of solvent-free polyurethane resin, 1.5-2.5 parts of water, 0.8-1.2 parts of flatting agent and 5-10 parts of bridging agent. The invention further relates to artificial leather. The solvent-free foaming material has the advantages of being environmentally friendly, free of smell and good in oil and high temperature resistance.

The invention discloses a corrosion-resistant super-hydrophobic heat-reflecting coating and a preparation method thereof, which is composed of the following raw materials: modified nano-TiO2, modified nano-SiO2, micro-TiO2 and / or SiO2, fluorocarbon resin, solvent, curing agent, defoamer, wetting and dispersing agent and leveling agent. After the present invention is tested, the thermal reflectance of the obtained product reaches more than 90%, and its water contact angle reaches more than 145°, which can meet the requirements for the coating in the harsh outdoor environment.

The invention relates to a food processor with a high-efficiency defoaming device. A food processor main body comprises a grinding cutter, a motor, a grinding cutter shaft and a barrel body, and the high-efficiency defoaming device is arranged on the food processor; the high-efficiency defoaming device comprises a defoamer main body; the defoamer main body is provided with a foam inlet, an air outlet and a liquid outlet; and at least one of the top of the foam inlet of the defoamer main body, the top of the air outlet, the top of the liquid outlet and the top of the defoamer main body is positioned at 5mm-800mm above the liquid level of foodstuff. According to the food processor, under the situations of heating at any temperature and any heating power and intensely grinding, foams generated when the foodstuff is ground, heated and cooked are rapidly and actively broken, so that grinding or heating cooking operation is continuously and rapidly carried out without intermittent stop, therefore the grinding or cooking time is greatly shortened, and the working efficiency is improved.

The invention discloses a low air-entraining viscosity reducing polycarboxylic water reducer which is formed by free radical polymerization of an alkyl phosphotriester mixture, TPEG and unsaturated carboxylic acid under the action of an initiator and a chain transfer agent. By introducing an alkyl phosphotriester monomer containing two double bonds to a main chain, molecules of the obtained polycarboxylic water reducer are of heterocyclic multibranched structures, so that the thickness of a polycarboxylic water reducer adsorption layer is increased, the plastic viscosity of concrete can be remarkably reduced, and meanwhile, by introducing the phosphotriester structure into the molecules of the polycarboxylic water reducer, the foaming property of the obtained polycarboxylic water reducer can be effectively improved and the air entraining property thereof can be reduced. The low air-entraining viscosity reducing polycarboxylic water reducer prepared by the invention is low in dosage and high in water reducer rate, the air entraining property of the low air-entraining viscosity reducing polycarboxylic water reducer can be reduced, the strength and durability of the concrete are improved while the viscosity of high grade concrete is remarkably reduced, and the raw materials are low in cost, the reaction condition is mild, and the low air-entraining viscosity reducing polycarboxylic water reducer is suitable for being popularized and applied.

The invention discloses a defoamer for high-carbon alcohols and a preparation method thereof. The raw materials of the defoamer include 2 to 5 parts of palmitic acid, 0.2 to 0.6 parts of propylene glycol, 4 to 10 parts of n-octanol, 6 to 20 parts of pentaerythritol ester stearate, and 5 to 12 parts of hexacane Alcohol, 12-30 parts of microcrystalline wax, 2.5-7.5 parts of emulsifier, 1-4 parts of aluminum tripalmitate, and water. The defoamer of the present invention is in the form of an emulsion containing multiple high-carbon alcohols and has defoaming effect. In addition, aluminum tripalmitate, as a hydrophobic particle, can cooperate with the oil phase components to further enhance the defoaming effect. In addition, it significantly reduces costs compared to silicone defoamers and polyether defoamers.