36 results about "2-propenoic acid" patented technology

The invention relates to a super hydrophobic silicon-fluorine polymer/nanometer silica hybridization nanometer material and a preparation method thereof, relating to a super hydrophobic nanometer material and a preparation method thereof. The invention provides the super hydrophobic silicon-fluorine polymer/nanometer silica hybridization nanometer material with mild reaction condition, definite reaction product structure as well as simple and convenient operation and the preparation method thereof. The preparation method comprises the following steps of: firstly, preparing nanometer silica modified by a silane coupling agent; secondly, preparing a nanometer silica atom transfer radical surface initiator; thirdly, preparing a SiO2-poly-Methacryloxypropyltrimethoxysilane macromolecule initiator; and finally preparing the silicon-fluorine polymer/nanometer silica hybridization nanometer material. The silicon-fluorine polymer/nanometer silica hybridization nanometer material has excellent high temperature resistance, ultraviolet resistance, infrared radiation resistance, oxidative degradation resistance, chemicals resistance and contamination resistance. Polymethyl 2-propenoic acid, 2,2,3,3,4,4,4-heptafluorobutyl ester has very low surface energy and very good hydrophobicity, wherein the surface energy can be as low as 0.5-1.5mN/m, and the hydrophobic angle can be over 150 degrees.

In a dye sensitized photoelectric conversion device having an electrolyte layer (6) between a semiconductor electrode (3) including, for example, fine semiconductor particles to which a sensitizing dye is adsorbed and a counter electrode (5), two kinds of dyes are used as the dye, and the two kinds of dyes are adsorbed onto the surface of the semiconductor electrode (3) at the sites different from each other. The fine semiconductor particles include, for example, TiO₂. Tris(isothiocyanate)-ruthenium(II)-2,2′:6′,2″-terpyridine-4,4′,4″-tricarboxylic acid and 2-cyano-3-[4-[4-(2,2-diphenylethenyl)phenyl]-1,2,3,3a,4,8b-hexahydrocyclopent[b]indol-7-yl]-2-propenoic acid are used, for example, as the two kinds of dyes. Thereby, a dye sensitized photoelectric conversion device such as a dye sensitized solar cell capable of obtaining higher light absorption rate and photoelectric conversion efficiency than in a case of using one kind of dye at high purity, as well as a manufacturing method thereof are provided.

The present invention provides an oil-in-water or water/oil/water multiple emulsion, or a mixture thereof, comprising (A) a organopolysiloxane elastomer crosslinked with polyether chains and (B) at least one thickener selected from the group of a polyacrylamide homo- or copolymer, a cellulose ether, a non-silicone cationic polymer or a thickening system comprising a mixture of from about 60% to about 67% of the thickening system of a copolymer of 2-propenoic acid with 2-propenamide, from about 27% to about 32% of the thickening system of the homopolymer of 2-methyl-1-propene and from about 5 to about 7% of the thickening system of poly(oxy-1,2-ethanediyl)-sorbitan-monododecanoate.

The invention discloses high-strength impact resistance oil paint. The high-strength impact resistance oil paint is prepared from polyurethane acrylic resin, epoxy-acrylic resin, bisphenol A epoxy resin, ethylene diglycidyl ether, polyethylene glycol, 2-propenoic acid,1,1'-[(1-methyl-1,2-ethanediyl)bis[oxy(methyl-2,1-ethanediyl)]]ester, pentaerythritol triacrylate, azodiisobutyronitrile, 1-hydroxycyclohexylphenylketone, triarylsulfonium hexafluoroantimonate salt, carbon black, graphene oxide, carbon nanotubes, cresyl diphenyl phosphate, a flatting agent, an antifoaming agent, a thickening agent, a silane coupling agent, phenolic epoxy acrylate, solvent and corrosion inhibitor. The high-strength impact resistance oil paint is good in impact resistance, excellent in anti-static property, high in strength, high in adhesive force with a base material and not prone to be disengaged in the using process.

The invention relates to a method for providing an anti-felting function for a wool fabric. The method utilizes tris(2-carboxyethyl)phosphine (TCEP) to pre-treat a wool fabric so that disulfide bonds in wool fiber keratin are broken to form mercapto groups with high activity. 2-propenoic acid-(2-hydroxy-1,3-propanediyl)bis[oxy(2-hydroxy-3,1-propanediyl)]ester (GDA) and the wool fabric pre-treated by TCEP undergo a click chemical reaction, in other word, C-C double bonds and the mercapto groups undergo a reaction so that a molecular chain rich in hydroxyl is introduced into wool protein molecules by a medical bonding method. The treated product has an anti-felting function, realizes a certain degree of machine washing, has good size stability and has a certain durability by chemical treatment. The method has substantial effects, belongs to a chlorine-free treatment method and is safe and environmentally friendly.

The invention provides an environment-friendly light-curing electrostatic spraying primer, comprising the following components in percentage by weight: 10-20% of 2-Propenoic acid,1,1'-[(1-methyl-1,2-ethanediyl)bis[oxy(methyl-2,1-ethanediyl)]] ester, 1-5% of trimethylolpropane triacrylate, 5-8% of a photo-initiator, 15-20% of epoxy acrylate, 20-25% of polyester acrylic resin, 5-8% of polyurethane acrylic resin, 0.2-0.5% of a flatting agent, 0.2-0.5% of an anti-settling agent, 5-12% of flour, 5-10% of 1,6-hexanediol diacrylate, 5-8% of 2-ethylhexyl acrylate and 0-0.2% of a defoaming agent. The light-curing electrostatic spraying primer adopts a UV monomer with low viscosity and strong dilution capacity to replace an original solvent, contains no VOC (Volatile Organic Compounds), can be recycled and belongs to green and environment-friendly paints; UV resin with low viscosity and good wettability is used as main resin so that the content of solid paint is high; and the light-curing electrostatic spraying primer can be directly applied to electrostatic spraying without being diluted by the organic solvent and has the advantages of good atomization effect, good package to devices, excellent adherence and good rubbing property.

A method for the preparation of polymers derived from acrolein and including poly(2-propenal, 2-propenoic acid), characterised in that the polymers are exposed to the presence of water, whereby such polymers exhibit increased antimicrobial activity. The polymers may be heated in the range of 40 to 150 deg.C. Further, the polymers may be prepared in the presence of polyethylene glycols, polyols and/or alkanols.

The invention specifically relates to hydroxy polyester resin for a high-gloss powder coating, a preparation method thereof and application of the hydroxy polyester resin to powder coatings, belongingto the technical field of powder coatings. The hydroxy polyester resin for the high-gloss powder coating is prepared through polymerization of the following raw materials: terephthalic acid, 6-aminocaproic acid, domoic acid, 3,6-dithia-1,8-octanediol, 2-propenoic acid-2,18-dihydroxy-4,7,10,13,16-pentaoxanonadecane-1,19-diyl ester, neopentyl glycol, 3-(2,3-epoxypropoxy)propyl trimethoxy silane and3,5-di-tert-butyl-4-hydroxybenzyl alcohol. It has been determined that the obtained hydroxy polyester resin has good melt fluidity at 200 DEG C, low melt viscosity and long leveling time, and allowsa film to have high gloss. The hydroxy polyester resin is eventually applied to the powder coating cured by polyurethane B1530, can improve the surface gloss of the coating, and allows a coated boardsurface with high gloss to be obtained.

The invention discloses nanocellulose compound temperature-sensitive type hydrogel and a preparation method thereof. The preparation method comprises the following steps: uniformly mixing cellulose nano-fibril gel, 2-methyl-2-propenoic acid-2-(2-methoxyethoxy)ethyl ester and methoxy polyethylene glycol methacrylate to obtained mixed liquid A; carrying out degassing treatment and ultrasonic dispersion treatment on the mixed liquid A to obtain mixed liquid B; after introducing nitrogen gas into the mixed liquid B, adding an initiator; uniformly stirring in a water bath to obtain the nanocellulose compound temperature-sensitive type hydrogel. The nanocellulose compound temperature-sensitive type hydrogel prepared by the preparation method has relatively great rigidity, good elasticity and good biocompatibility and has relatively high gel strength and rupture strength; the temperature-sensitive performance of the nanocellulose compound temperature-sensitive type hydrogel is not influenced by the adding amount of cellulose nano-fibrils; the nanocellulose compound temperature-sensitive type hydrogel has a good application prospect in the fields including intelligent temperature sensing, medicine controlled release, artificial muscle and the like.

A process for preparing lacidipine, comprising reacting a t-butoxy carbonyl methyl aryl phosphonium halide with o-phthalaldehyde, and further reacting a product comprising (E)-3-(2-formylphenyl)-2-propenoic acid, 1,1-dimethyl ethyl ester, without isolation, with ethyl-3-amino crotonate.

The invention relates to the field of latex paint, in particular to quick-drying latex paint, being prepared from the following raw materials in parts by weight: 8-15 parts of sodium propionate, 17-35 parts of manganese naphthenate, 20-40 parts of silicon dioxide ultrafine powder, 20-35 parts of polyvinyl alcohol, 3-5 parts of 2-propenoic acid octyl ester, 1-4 parts of lignin, 4-5 parts of calcium fluoride, 5-9 parts of potassium citrate, 30-40 parts of linseed oil, 20-25 parts of tung oil and 80-150 parts of deionized water. The quick-drying latex paint is non-toxic, harmless and free of peculiar smell, and the construction is convenient.

The invention relates to the field of latex paint, in particular to outer-wall antifouling latex paint, being prepared from the following raw materials in parts by weight: 8-15 parts of sodium propionate, 17-35 parts of manganese naphthenate, 20-40 parts of silicon dioxide ultrafine powder, 20-35 parts of polyvinyl alcohol, 3-5 parts of 2-propenoic acid octyl ester, 10-17 parts of barium sulfate, 3-5 parts of sericite powder, 1-4 parts of titanium dioxide, 0.2-0.4 part of sodium hexametaphosphate and 80-150 parts of deionized water. The outer-wall antifouling latex paint has excellent weather fastness, alkali resistance and scrub resistance, and solves the problems of poor water resistance, great cracking possibility, peeling, powder removal, discoloration, cleaning difficulty and the like.

The invention discloses a coagulation-accelerating early strength agent for 3D printing house slurry. The coagulation-accelerating early strength agent is prepared from raw materials in parts by weight as follows: 50-100 parts of anhydrous sodium sulfate, 1-7 parts of calcium nitrite, 5-7 parts of aluminum sulfate, 5-10 parts of humic acid, 0.1-0.3 parts of guar gum, 5-7 parts of 3-[(2,4-dichloro)phenyl]-2-propenoic acid, 10-20 parts of a filling agent and 1-3 parts of additives. The coagulation-accelerating early strength agent is exclusively used for a 3D printing house and can promote coagulation and hardening of the 3D printing house slurry, and the strength of the slurry after coagulation develops more rapidly than that of a conventional early strength agent; furthermore, the cost of the raw materials of coagulation-accelerating early strength agent is low, and the applicability is wider.

The invention relates to the field of latex paint, in particular to inner-wall silky latex paint, being prepared from the following raw materials in parts by weight: 8-15 parts of sodium propionate, 17-35 parts of manganese naphthenate, 20-40 parts of silicon dioxide ultrafine powder, 20-35 parts of polyvinyl alcohol, 3-5 parts of 2-propenoic acid octyl ester, 1-4 parts of lignin, 4-5 parts of calcium fluoride, 5-9 parts of potassium citrate, 30-40 parts of titanium dioxide, 20-30 parts of benzene acrylic and 80-150 parts of deionized water. The weather fastness is stronger, and a protection layer formed by spraying can be exposed outdoors for a long term.

The invention discloses polycarboxylate superplasticizer and a peparation method thereoof. The polycarboxylate superplasticizer comprises following raw materials, by weight, 40 to 60 parts of alkylphenol ethoxylates, 25 to 35 parts of TPEG, 10 to 15 parts of cinnamic acid, 10 to 15 parts of Octenyl succinic anhydride, 5 to 10 parts of 2-Propenoic acid, 3-phenyl-, ethyl ester, 5 to 10 parts of methacrylic acid, 3 to 8 parts of isopropanol, 3 to 8 parts of sodium persulfate and 0.5 to 2 parts of ascorbic acid. The polycarboxylate superplasticizer has lower amount of mixture than other common polycarboxylate superplasticizer and has a high water-reducing rate under the circumstance of water-binder ratio. The polycarboxylate superplasticizer has the advantages of wider range of application, good anti-collapse of concrete, environmental protection. The polycarboxylate superplasticizer, prepared by this method, is capable of having wider adaption to concrete, making the system more stable, reducing usage of air entraining agent and making shrinkage ratio of concrete lower than common water reducer.

The invention discloses a multi-action mode hydrophilic organic polymer monolithic column, which consists of a benzene-ring group-containing organic ionic monomer, an acrylate crosslinking agent, an initiator, and a pore-forming agent. The benzene-ring group-containing organic ionic monomer is N, N, N-trimethyl(vinylbenzyl)ammonium chloride, the crosslinking agent is 2-propenoic acid, (2,4,6-trioxo-1,3,5-triazine-1,3,5(2H,4H,6H)-triyl)tri-2,1-ethanediyl ester, the pore-forming agent is a mixture of methanol and dodecanol, and the initiator is azodiisobutyronitrile. The inventive capillary chromatographic column can provide hydrogen bonds and ion exchange interaction, but also can provide rich pi-pi interaction, and can meet the rapid separation requirements of neutral, acidic and alkaline polar substances.

The invention discloses an efficient compatilizer for a polyolefin-based wood-plastic composite, and belongs to the field of efficient compatilizers. According to the efficient compatilizer for the polyolefin-based wood-plastic composite, in the EAA extruding process, a hydroxyl functional monomer, namely 2-propenoic acid-2-hydroxyl-3-phenoxypropyl ester, and another hydrophobic monomer, namely hexadecyl methacrylate, with the synergistic effect are added and subjected to a grafting reaction on EAA molecular chains under the effect of DCP, and thus an EAA graft polymer is formed. The preparedEAA graft polymer serves as the compatilizer for the polyolefin-based wood-plastic composite, thus compatibility and hydrophobic performance of waste plant fibers such as wood flour in polyolefin canbe greatly improved, an outer sheath with a display layer is arranged at the outer end of a screw rod, thus abrasion information is given to workers in time, thus workers replace the outer sheath conveniently, and the screw rod is protected against being prone to breaking.

The present invention provides a test medium for the evaluation of the resistance of surfaces comprising at least about 20 % by weight 3-(4-methoxyphenyl)-2-propenoic acid-2-ethylhexyl ester, at least about 20% by weight 2-ethylhexyl-2-cyano-3,3-diphenylacrylate, at least about 20% by weight 3,3,5-trimethylcyclohexyl salicylate and at least about 20% by weight N,N-diethyl-m-toluamide. Furthermore, the present invention describes a test specimen, a test system and a test method for the evaluation of the resistance of surfaces.

An enantioselective process for preparing zolmitriptan, (S)-4-{[3-[2-(dimethylamine)ethyl]-1H-indol-5-yl]methyl}-2-oxazolidinone), by asymmetric hydrogenation of (Z)-2-(acetylamino)-3-{[3-N,N-(dimethylamine)ethyl)-1H-indol-5-yl]-2-propenoic acid methyl ester in the presence of hydrogen and an enantioselective chiral phosphine transition metal catalyst.

There is disclosed a composition comprising a mixture of endo- and exo-2-(bicyclo[2.2.1]hept-5-en-2-yl)-2,2-fluoroalkyl-ethan-2-ol which is rich in the exo isomer, preferably the endo/exo concentration ratio is no greater than 5/95. The composition is useful for forming a repeat unit of a polymer which polymer may further comprise additional repeat units derived from tert-butyl acrylate, hydroxyadamantyl acrylate, protected or unprotected fluorinated olefins, 2-methyl-2-adamantyl acrylate, 2-propenoic acid, 2-hydroxy-1,1,2-trimethylpropyl ester. Polymers of this invention are useful as the binder component of a photoresist composition for microlithography.