409 results about "Hydroxypropyl methacrylate" patented technology

The invention discloses an ester slump retaining type polycarboxylate water reducer and a preparation method thereof. The ester slump retaining type polycarboxylate water reducer is made from raw materials comprising the following components in parts by weight: 100 parts of esterified macromer solution by weight, 2-6 parts of unsaturated monomer by weight, 1.5-4 parts of unsaturated phosphate by weight, 1-4 parts of an oxidizing agent by weight, 0.9-3.5 parts of a reducing agent by weight, 1-3 parts of a chain transfer agent by weight, 108 parts of water by weight, and 20 parts of industrial sodium hydroxide solution by weight, wherein the concentration of the esterified macromer solution is 75-85%, and a solute thereof is the mixture of methoxy polyethylene glycol methacrylate, crosslinking monomers triethylene glycol dmethylacrglate and methyl methacrylate; the unsaturated monomer is methacrylic acid, acrylic acid, hydroxyethyl methylacrylate, hydroxyethyl acrylate, hydroxypropyl methacrylate or hydroxypropyl acrylate. The ester slump retaining type polycarboxylate water reducer provided by the invention has good slump retaining performance, good dispersibility, good adaptability and low cost.

The invention relates to an ultraviolet light solidified water urethane acrylate coating resin. It is mainly made up of aromatic diisocyanate, polyethylene glycol, polyhydroxy-carboxylic acid, dihydric alcohol, hydroxyethyl methacrylate ethyl ester, and tri-ethylamine. It is prepared by adding the above materials orderly. It has the advantages of good water solubility, pliability, and stability.

The invention discloses an acrylic acid ester modified epoxy soybean oil, its preparation method and an application thereof. According to the preparation method of the acrylic acid ester modified epoxy soybean oil, acrylate monomer bearing a hydroxyl group reacts with acid anhydride to obtain a half-ester intermediate, and the half-ester intermediate reacts with epoxy soybean oil to obtain the acrylic acid ester modified epoxy soybean oil. The acrylate monomer bearing a hydroxyl group is hydroxyethyl acrylate, hydroxyethyl methacrylate, pentaerythritol triarylate, hydroxypropyl acrylate, hydroxypropyl methacrylate, trimethylol propane diacrylate or trimethylol propane dimethacrylate. Acid anhydride is o phthalic anhydride, succinic anhydride, methyl hexahydrophthalicanhydride, hexahydrophthalic anhydride or tetrahydrophthalic anhydride. The acrylic acid ester modified epoxy soybean oil has a novel structure. When applied in paper printing ink, the acrylic acid ester modified epoxy soybean oil can improve adhesive force of a cured film and also can improve wetability of pigments and remarkably minimize occurrence of misting. The preparation method helps widen the application range of the modified epoxy soybean oil.

The present invention discloses nanometer SiO2 modifying process of UV ray cured adhesive. The long chain polyether silane coupler in the general expression of (R1O)3SiCH2CH2CH2O(CH2CH2O)a(CH2CH(CH3)O)bC=OC(R2)=CH2 is first used in surface modifying SiO2 of grain size of 5-50 nm inside isopropyl alcohol dispersing medium; the obtained composite pre-polymer is then mixed with epoxy acrylate, hydroxyethyl methacrylate or hydroxypropyl methacrylate, trimethylopropane-3ethoxyl -triacrylic ester, acrylic cid or acrylate with acid functional radical, photoiniitator, KH570, triethanolamine and maleic acid through stirring to obtain the UV adhesive product. The present invention has improved SiO2 dispersivity and stability, and the UV adhesive product has greatly raised adhesion performance.

The invention relates to a preparation method of a core-shell acrylic acid elastic emulsion containing phosphate group. According to the method, hydroxypropyl methacrylate and P2O5 are adopted as raw materials, transparent phosphate monomer is prepared through a reaction, and the transparent phosphate monomer is adopted as a functional monomer for synthesizing the core-shell acrylic acid elastic emulsion. The preparation method of the phosphate functional monomer is advantaged in simple method and convenient operation. A monoester rate reaches 70%. When the synthesized core-shell acrylic acid elastic emulsion is used as an aqueous anti-corrosion paint, the anti-corrosion property and adhesion are both better than those of paints prepared from common acrylate emulsions.

PCT No. PCT/NO96/00255 Sec. 371 Date Apr. 23, 1998 Sec. 102(e) Date Apr. 23, 1998 PCT Filed Oct. 25, 1996 PCT Pub. No. WO97/15746 PCT Pub. Date May 1, 1997Agent and method for establishing different types of zone sealings particularly in oil wells and gas wells, wherein the zone to be sealed is supplied with a composition comprising: monomers, an initiator for heat-induced production of free radicals, a pot life extending inhibitor for stabilization of free radicals, and optionally other additives. The composition is subjected to radical polymerization induced by heat in the well zone and at a temperature of 5-120 DEG C., and establishes a cured mass, particularly at temperatures in the range of 65-100 DEG C. The composition is supplied with an at least partly unsaturated prepolymer selected from the group consisting of polyester and epoxy vinylester, including one or more vinyl-containing co-monomers selected from the group consisting of styrene, vinyltoluene, 2-hydroxyethyl-methacrylate and 2-hydroxypropyl-methacrylate. The prepolymer is present in a quantity of 15-75 weight parts and the vinyl-containing co-monomers are added in a quantity of 75-15 weight parts. The composition is particularly suited for low temperature applications.

The invention relates to a phosphorus-free composite corrosion and scale inhibitor for bitter circulating water and a preparation method thereof, belonging to the technical field of water treatment. The phosphorus-free composite corrosion and scale inhibitor for bitter circulating water is prepared from the following raw materials in percentage by weight: 5-20% of sodium molybdate, 5-20% of urotropine, 10-30% of polyepoxysuccinic acid, 1-5% of azole derivative, 5-20% of hydroxypropyl methacrylate, 5-15% of acrylic acid-acrylate-sulfonate terpolymer, 5-15% of sodium humate, 0.1-1% of fluorescent tracer, 0.5-2% of caustic soda flakes and the balance of deionized water. The phosphorus-free composite corrosion and scale inhibitor for bitter circulating water can not interfere with other water treatment agents, is free of phosphorus, zinc and other components harmful to the environment, and can effectively solve the problems of corrosion and scales in the bitter-based high-salt-content high-pH system. The invention also relates to a simple and convenient preparation method.

The invention provides a latex type amphiphilic polymer resin, which is formed by polymerizing unsaturated acid alkyl, methyl methacrylate, styrene, butyl methacrylate, butyl acrylate, hydroxypropyl methacrylate, ethylene glycol methacrylate, acrylamide, diacetone-acryloamide and other monomers. The paint which takes the latex type amphiphilic polymer resin as a main film forming material and combines with inorganic polymer stuffing integrates with decorative property, humidifying property, permeability, heat preservation, condensation prevention, water and alkali resistance, bacterium resistance and so on, and can prevent the paint film from dropping off due to multiple kinds of seepage and water condensation of a wall body, so that the paint film is more durable; in addition, the paint has no organic solvent, and is safe and environment friendly.

The invention discloses a 1,2-propanediol antifreezing cooling liquid which comprises the following components in percentage by mass: 0.5-3.0% of decanedioic acid, 0.25-1.5% of succinic acid, 0.1-0.9% of benzotriazole, 0.05-0.3% of hydroxypropyl methacrylate, 0.0004-0.005% of defoaming agent and the balance of 1,2-propanediol. The 1,2-propanediol antifreezing cooling liquid composite formula system disclosed by the invention has the characteristics of no water, persistent effect, environmental protection and durable corrosion resistance; the antifreezing agent is the non-toxic 1,2-propanediol capable of being naturally degraded; the formula technology mainly uses the organic acids; the 1,2-propanediol antifreezing cooling liquid can provide long-acting protection for the cooling system, and implement temperature rise of the antifreezing cooling liquid without pressurized conditions; and the 1,2-propanediol antifreezing cooling liquid can almost completely eliminate liner pitting corrosion, aluminum pump cavitation corrosion and other technical problems when being used in heavy-load engines, and can widely use automobiles, ships, large-size cooling towers, solar energy and the like as the heat-conducting media of the cooling system.

The invention discloses an ultraviolet light curing transfer printing glue composition for a transfer printing film. The ultraviolet light curing transfer printing glue composition comprises the following components in parts by weight: 20-40 parts of modified acrylate, 20-40 parts of epoxy resin, 10-30 parts of reactive diluent, 3-8 parts of photoinitiator, 5-15 parts of adhesion promoter, 2-5 parts of silane coupling agent and 0-1 part of auxiliary, and the modified acrylate is prepared by modifying pentapolymer prepared from methyl methacrylate (MMA), n-butyl acrylate ((i)n(/i)-BA), hydroxypropyl methacrylate (HMPA), acrylic acid (AA) and 2-ethylhexyl acrylate (EHA) through free radical copolymerization by using polyurethane containing isocyanato. The prepared ultraviolet light curing transfer printing glue has good adhesion to a glass base material, and is good in water resistance, high in tensile strength and excellent in transfer printing effect.

The invention provides a soap free latex type amphiphilic polymer resin, which is formed by polymerizing unsaturated acid alkyl, styrene, methyl methacrylate, butyl methacrylate, butyl acrylate, hydroxypropyl methacrylate, ethylene glycol methacrylate, acrylamide, diacetone-acryloamide and other monomers. The paint which takes the soap free latex type amphiphilic polymer resin as a main film forming material and combines with multiple kinds of inorganic polymer stuffing integrates with decorative property, humidifying property, permeability, heat preservation, condensation prevention, water and alkali resistance, bacterium resistance and so on, and can prevent the paint film from dropping off due to multiple kinds of seepage and water condensation of a wall body, so that the paint film is more durable; in addition, the paint has no organic solvent, and is more safe and environment friendly.

The invention relates to the field of coating preparation, and discloses an organic-silicon modified acrylic acid resin superhydrophilic antifogging coating and a preparation method thereof. The primary reaction raw materials comprises, by weight, 6.3-10.7% of methymethacrylate, 4.5-7.9% of butyl acrylate, 8.8-15.3% of gamma-methacryloxypropyl trimethoxysilane, 8.1-13.9% functional monomer hydroxyethyl methylacrylate, 16.0-27.0% of the reaction produict of diethanol amine and glycidyl methacrylate 3-(bis(2-hydroxyethyl)amino)-2-hydroxypropyl methacrylate and 7.4-12.8% of 2-acrylamide-2-methylpropionic sulfonic acid, the using amount of the azobisisobutyronitrile is 0.2%-0.4%, and the reaction solvent is N, N-dimethylformamide which takes up the 25.3%-45.6% of the total amount. The coatinghas the advantages of lower preparation temperature, good stability, simple production process, the purpose of energy saving is achieved, invested equipment is less, the coating is transparent leveledand has high adhesion force, -40 DEG C low temperature fog resisting and 80 DEG C high-temperature fog resisting can be achieved, the coating does not wrinkle, there exists no crack, and the coatingcan be repeatedly used for over 100 times.

The invention discloses quantum dots modified by a macromolecular monomer. According to the quantum dots, the macromolecular monomer which is prepared through catalytic chain transfer polymerization is taken as a ligand; and the quantum dots have the characteristics of narrower fluorescence emission spectrum, high luminous efficiency and high stability. Particle sizes of the quantum dots modified by the macromolecular monomer are 2 to 20nm, the quantum dots are water-soluble, the quantum yield is 20 to 95 percent, the half-peak width of a photoluminescence spectrum is 20 to 80nm, and the fluorescent quantum dots are one of ZnxCd1-xS, ZnxCd1-xTe and ZnxCd1-xSe, wherein x is more than or equal to 0 and less than or equal to 1; and the macromolecular monomer used as the ligand is one of polymethylacrylic acid, polyacrylic acid, poly(hydroxyethyl methacrylate), poly(2-Hydroxypropyl methacrylate) or a polymethylacrylic acid-b-poly(butyl acrylate) block copolymer, and the molar ratio of the macromolecular monomer to metal ions is (0.5:1)-(5:1).

The invention discloses an inorganic gel profile control technology. Various profile control water shutoff agents are used and comprise a weak gel profile control agent, an inorganic gel profile control agent, a pre-crosslinking particle profile control agent and an oil-displacing agent, wherein the weak gel profile control agent comprises cross-linked polymers HPMA (hydroxypropyl methacrylate), a cross-linking agent, a stabilizing agent and a delay agent; the cross-linked polymers HPMA are partially hydrolyzed polyacrylamides; the cross-linking agent is a composite system of formaldehyde and resorcinol; the inorganic gel profile control agent is an inorganic mixing body using metasilicic acids as main ingredients and is matched with the pre-crosslinking particle profile control agent to be used in the profile control process; the pre-crosslinking particle profile control agent is a synthetic flexible macromolecule material containing a great number of hydrophilic groups; and the oil-displacing agent is a surfactant with amphiphiles. The inorganic gel profile control technology has the advantages that various profile control water shutoff agents using the inorganic gel as a main body extend to the inside of an oil reservoir to block a high-permeability zone, so that the direction of fluid is converted; injected water affects medium-low-permeability zones which are not affected in the prior art; the displacement effect is improved; and the recovery ratio is improved.

This invention relates to a tire having at least one component of a silica reinforced rubber composition comprised of an emulsion polymerization derived terpolymer rubber which contain pendant hydroxyl groups, particularly derived from diene hydrocarbon and vinyl aromatic compound monomers, particularly a hydroxyalkyl methacrylate. Preferably the hydroxyalkyl methacrylate is a hydroxypropyl methacrylate (HPMA). Preferably at least one additional elastomer is blended with the terpolymer rubber. The rubber composition is prepared by blending a coupling agent therewith subsequent to the addition said silica reinforcement. Said tire component may be, for example, a tire tread.

The invention discloses a medical adhesive, comprising the following substances in parts by weight: 65-80 parts of alpha-N-butylcyanoacrylate, 5-8 parts of hydroxypropyl methacrylate, 3-5 parts of sulfur dioxide, 1-2 parts of hydroquinone, 0.5-2 parts of polyurethane, 0.5-1.5 parts of agar, 0.8-1.2 parts of fibrin glue, 2-3 parts of water soluble phenol-formaldehyde resin, and 20-25 parts of deionized water. The medical adhesive has the beneficial effects that the medical adhesive provided by the invention is low in thrill, and excellent in bonding persistence; compared with the traditional common adhesive, the persistence of the medical adhesive can be up to 1.5-3 times; and animal experiments show that the toxic and side effects are small.