42 results about "Trimethylene oxide" patented technology

A radio-sensitized resin composition comprises a copolymer (A) of (a1), (a2) and (a3), 1,2-diazido quinone compound (B), and a siloxane oligomer (C) with functional group for performing cross linking reaction with the copolymer (A) by heat, wherein the (a1) is unsaturated carboxylic acid and / or unsaturated carboxylic acid anhydrides, the (a2) is unsaturated compound containing epoxy group and / or trimethylene oxide group, and the (a3) is unsaturated compound except the (a1) and (a2). The radio-sensitized resin composition with high rediation sensibility has development allowance for forming good pattern shape even though exceeding the optimal developing time during developing and can easily form pattern shaped film with excellent compliance.

Provided is a radiation settability composition for an adhesive with excellent coating character, capable of manufacturing a polarizing film with an excellent wetheat resistance and adhesive strength in a short time by a simple manufacturing procedure, a polarizing film manufactured by the composition, and a method for manufacturing the polarizing film. The composition includes (A) a compound having trimethylene oxide, (B) a epoxy compound having a aromatic ring structure, (C) at least one compound selected from (C1) aliphatic compound having an epoxyethane group and (C2) alicyclic ring type compound having a epoxyethane group, (D) a compound with a number average molecular weight more than 500 by polystyrol measured through gel infiltration color spectrum and having more than two of hydroxyl, (F) a compound with a degree of viscosity less than 10MPa / s at a temperature of 25 DEG C and having one hydroxyl, and (E) light acid-production agent. The polarizing film is formed by laminating protective layers through adhesive layers formed by a condensate of the above composition on two faces of a polyvinyl alcohol type polarizing membrane.

The invention provides a process for synthesis of triisopropanolamine by using liquid ammonia and trimethylene oxide as raw material, water as catalyst, stock preparing by the mol ratio of liquid ammonia : trimethylene oxide = 1 : 3.00 - 3.05, charging deionized water in one time, charging liquid ammonia and trimethylene oxide in two times, fully stirring, sustaining the pressure <0.5 MPa, sustaining reaction temperature between 20-75 deg. C for 1.0-3.0 hours, decompressing for dehydration till the water content is less than 5%.

The invention discloses a photosensitive resin for laser 3D printing and a preparation method thereof. The photosensitive resin comprises the following raw materials in parts by weight: 10-40 parts ofacrylic ester with high TG value, 10-65 parts of an epoxy resin, 5-30 parts of a trimethylene oxide compound, 1-10 parts of a cationic photopolymerization initiator, 1-10 parts of a free radical typephotopolymerization initiator and 1-5 parts of a silane coupling agent. The preparation method comprises the following steps: mixing the raw materials according to the weight part ratio, and then heating and stirring at 20-80 DEG C for 30-150 minutes to enable the raw materials to become faint yellow transparent liquid. The photosensitive resin overcomes the defects of a traditional laser 3D printing medium, and has the characteristics of high temperature resistance and small shrinkage deformation, the forming effect of the print parts is guaranteed, and the quality of the print parts is effectively improved; the method is simple to operate and the photosensitive resin is convenient to prepare.

The present invention relates to one kind of fluoric super branched-grafted block polymer, and features that the polymer has core-arm structure comprising core of super branched poly(3-ethyl-3-methyol trimethylene oxide) and arm of alkyl substituted amino methacrylate and fluoric methacrylate block polymerized structure. The fluoric super branched-grafted block polymer is prepared through an oxygen ion initiated polymerization process. The fluoric amphiphilic super branched copolymer of the present invention has double temperature and pH responding performance and lowered surface energy, and the preparation process has fast reaction speed, high conversion rate and high product purity.

The invention discloses a device with electrolytic solution as saponifier to produce epoxypropane and method, which is characterized by the following: comprising chloropropyl alcohol reservoir, mixer, vacuum pump, saponifying tower, condenser, rough epoxypropane reservoir, saline water demineralization device, flash tank and electrolytic solution reservoir; connecting chloropropanol reservoir with mixer through chloropropanol conduit line; connecting the mixer to saponifying tower through miscible liquids line; connecting the saponifying tower to condenser through epoxypropane steam line; connecting the saponifying tower to the flash tank through saponification waste liquor line before flash distillation; connecting the saponifying tower to flash tank through steam line; connecting the condenser to rough epoxypropane reservoir through rough epoxypropane line; connecting the flash tank with saline water demineralization device through saponification waste liquor line after flash distillation; connecting the electrolytic solution reservoir to the mixer through electrolytic solution line. This invention possesses low energy consumption, which can be reclaimed as the raw material of caustic soda production.

A process for synthesizing the cyclic carbonate features the catalytic cyclizing addition reaction between Co2, epoxy compound and the catalyst prepared from lewis acid-metal compound and hexalkyl guanidine salt at 100-150 deg.C for 0.5-5 hrs.

The invention relates to a preparation method of fudosteine, which comprises the following steps: by using L-cysteine and trimethylene oxide as raw materials, heating under alkaline conditions to promote the completion of the reaction, adding 95% ethanol into the product to precipitate, and recrystallizing to obtain the fine product fudosteine, wherein the product yield is greater than or equal to 90%, the HPLC (high performance liquid chromatography) purity is greater than or equal to 99.5%, and the maximum single impurity content is less than or equal to 0.1%. The whole process is easy to control, simple to operate and suitable for industrial production, and is a synthesis route capable of satisfying the demands of the market for fudosteine active pharmaceutical ingredients.

The invention relates to 6-aryloxy-4-aryl-3-morpholone having a structural formula (I), wherein Z represents O or S, X is H, C1-C4 alkyl, alkoxy, halogen, Y is H, C1-C4 alkyl, alkoxy, halogen, or nitro. The invention also discloses the process for preparing the compound, which comprises reacting 3-aryloxy-1,2-epoxypropane with arylamine compound at the presence of alumina catalysis, then reacting the obtained beta-amino alcohol derivative with chloracetyl chloride under the condition of ice bath, thus obtaining 2-chloro-N-(2-hydroxyl-3-aryloxypropyl)-N-aryl acetamide, finally proceeding self-ring closing at the presence of sodium hydrogenate.

The invention discloses a method for preparing 3-ammoniac methyl-3-methyl trimethylene oxide. The method takes 3-chloromethane radical-3-methyl trimethylene oxide (CMMO) and liquid ammonia as raw materials and comprises an ammoniation reaction and a post-treatment process. The method comprises the following steps: adding the CMMO into a high-pressure reaction kettle, using high-purity N2 to replace system air, using high-purity nitrogen to press the liquid ammonia into the reaction kettle, stirring and reacting for 8-12h at the temperature of 75-90 DEG C and the pressure of 3.2-4.0MPa; after finishing the ammoniation reaction, cooling the materials, taking out the excess liquid ammonia, adding an organic solvent into the reaction kettle, stirring, cooling the materials to 0-5 DEG C, filtering to remove existing crystals, collecting filtrate, evaporating to remove most of the solvent at normal pressure, cooling the materials to 0-5 DEG C again, filtering to remove the crystals in the materials, distilling the filtrate by depressurization and collecting distillates at 42-46 DEG C. A product obtained by the method is an organic intermediate for synthesizing medicines and pesticide.

The present invention discloses a method for application of 1,4-cyclohexanedimethanol diglycidyl ether diacrylate as an acrylate prepolymer in stereolithography rapid-prototyping photosensitive resin preparation. The prepared photosensitive resin mainly comprises the following raw material components, by mass, 15-65 parts of 1,4-cyclohexanedimethanol diglycidyl ether diacrylate, 5-55 parts of an epoxy resin, 5-55 parts of trimethylene oxide, 1-12 parts of a cation type photopolymerization initiator, and 1-10 parts of a free radical type photopolymerization initiator. The prepared photosensitive resin has good photosensitivity and a critical exposure amount Ec of less than 16.0 mJ / cm<2>. After the photosensitive resin is subjected to stereolithography prototyping, precision of the prototyping part is high, a buckling factor CF (6) of the prototyping part is within a range of +-0.01, and CF (11) of the prototyping part is within a range of +-0.03. With the prepared photosensitive resin, parts with any complex shapes and high precision can be directly manufactured. In addition, the 1,4-cyclohexanedimethanol diglycidyl ether diacrylate has characteristics of moderate viscosity, low odor and good cured product flexibility, such that the 1,4-cyclohexanedimethanol diglycidyl ether diacrylate can be adopted as an acrylate prepolymer to replace a bisphenol A type epoxy acrylate to be applied in stereolithography rapid-prototyping photosensitive resin prepartion.

The invention provides a blend of a PPC, a PCL and a PBS and the preparation method thereof. The blend comprises PPC, PCL, PBS, an end-capping reagent, a lubricant and a modified precipitated calcium carbonate. The preparation method is to cool mix the substances in a homogenizer according to a certain percentage in a temperature no higher than 35 DEG C and then the cool mixed materials are extrusion granulated in a screw extruder and the temperature for extrusion granulation should not be higher than 170 DEG C. The blend gained from the invention is totally biologically resolved and the comprehensive performances are superior to a single polymer. The raw materials are easy to gain, the equipment is ordinary and the processing technique is simple, therefore the blend is very suitable for industrial production.

A device housing includes a substrate, a metallic coating formed on the substrate by vacuum sputtering or vacuum vapor deposition, and a self-repairing coating formed on the metallic coating. The self-repairing coating substantially includes trimethylene oxide and polyhydric alcohols.

This invention relates to 6-(aroxylmethyl)-2-aryl-6,7-dihydrogen-4H-pyrazole[5,1-c][1,4]oxazine-4-ketone derivatives with a general structure shown in formula I, where, X and Y are H, linear or branched C1-4 alkyl, alkoxyl, halogen or nitryl. This invention also relates to the method for preparing the compounds, which comprises: mixing 3-aroxyl-1,2-epoxypropane, 3-aryl-1H-pyrazole-5-ethyl formate and K2CO3 acid captor, and refluxing in acetonitrile to obtain 1-(2-hydroxyl-3-aroxylpropyl)-3-aryl-1H-pyrazole-5-ethyl formate derivatives, hydrolyzing in alcohol solvent in an alkaline condition to obtain 1-(2-hydroxyl-3-aroxylpropyl)-3-aryl-1H-pyrazole-5-formic acid derivatives, and lactonizing under the catalysis of acid to obtain the products.

The invention belongs to a method for preparing propoxylation neopentylglycol diacrylate ester, comprising the steps as follows: (1) epoxy propane, neopentylglycol, acrylic acid, catalyst, solvent and polymerization inhibitor are put into a reaction kettle to form a mixture; (2) a valve is opened to slowly heat the mixture, and the temperature is controlled and maintained at 60-90 DEG C for a 20-40min reaction; (3) the mixture is continued to be heated to the temperature of 80-120 DEG C to react for 3-4h, then reflow is carried out for 5-7h, and then the reaction is finished; (4) soda water solution and sodium chloride water solution are added into the mixture, and after washing, quiescence and demixing the upper organic phase is extracted; (5) the upper organic phase is separated from the solvent; (6) and then cooling and pressing are carried out to obtain the end product. The method has simple process, high yield coefficient, good activity and flexibility, low color intensity, shrinking percentage and irritation, and good quality, and produces few by-products or little waste water.

The invention discloses cis-butenedioic acid di-2-ethylhexyl ester, a method for synthesizing the same and application of the cis-butenedioic acid di-2-ethylhexyl ester to preparing polycarboxylic acid water reducing agents. The cis-butenedioic acid di-2-ethylhexyl ester, the method and the application have the advantages that maleic acid monoester is generated from maleic anhydride by means of alcoholysis, then the maleic acid monoester is polymerized with ethylene oxide or propylene epoxide and is polymerized with ethylene oxide to generate novel diester which is the cis-butenedioic acid di-2-ethylhexyl ester, acrylate can be substituted with the cis-butenedioic acid di-2-ethylhexyl ester for preparing the polycarboxylic acid water reducing agents, accordingly, the slump retention performance of the polycarboxylic acid water reducing agents can be improved, and low slump loss of premixed concrete in two hours can be guaranteed; integral reaction, structures and molecular weights canbe controlled, the reaction can be smoothly and steadily carried out, water production can be prevented, the cis-butenedioic acid di-2-ethylhexyl ester is green and environmentally friendly and is high in yield, preparation procedures are simple, and industrial production can be facilitated. A structural formula of the cis-butenedioic acid di-2-ethylhexyl ester is shown. An R in the structural formula represents methyl or ethyl or propyl or isopropyl or normal-butyl or diethylene glycol mono-methyl ether, an m and an n in the structural formula are integers, the m ranges from 0 to 8, and the nranges from 1 to 15.

The invention provides a synthesis method for 2-methylpropionate-[(2S)-4-(2,4-difluorophenyl)-2-hydroxymethyl-4-pentene-1-yl]ester.The synthesis method comprises the steps that 2-chloromethyl epoxypropane and 1,3-difluorobenzene are mixed and react under a catalyst to obtain 2-(2,4-difluorophenyl)-1-chloro-3-propanol; 2-(2,4-difluorophenyl)-1-chloro-3-propanol is mixed with potassium bisulfate and chlorobenzene for a reaction to obtain 1-(1-cholomethyl vinyl)-2,4-difluorophenyl; 1-(1-cholomethyl vinyl)-2,4-difluorobenzene reacts with diethyl malonate to obtain 2-[2-(2,4-difluorophenyl)allyl]-1,3-diethyl malonate; 2-[2-(2,4-difluorophenyl)-2-propene-1-yl]-1,3-diethyl malonate is dissolved into mixed solvent of isopropanol and water and then reacts with hydroboron to obtain a product 2-[2-(2,4-difluorophenyl)-2-propene-1-yl]-1,3-propylene glycol; 2-[2-(2,4-difluorophenyl)-2-propene-1-yl]-1,3-propylene glycol is mixed with an esterifying enzyme and isobutyric anhydride for a reaction to obtain the target product; the specific synthesis path comprises the following steps (please see the steps in the description).

The medicine packaging composite material has support layer and CO2 copolymer layer as blocking layer. The CO2 copolymer may be copolymer of CO2 and epoxy ethane, epoxy propane, cyclohexane oxide, styrene oxide, epoxy propane-epoxy cyclohexane, or expoxy propane-epoxy styrene. The three-layered and double-layered composite material is produced by means of the thermosol performance of CO2 copolymer and through rolling CO2 copolymer layer at 80-130 deg.c and combining with support layer. The composite material has excellent blocking performance, is degradable, transparent, easy to form and low in cost, and may be used in disposable packing of medicine.

The invention discloses the structure of N-alkyl-N-[2-hydroxyl-3-(aryloxy) propalkyl]-2-(arylthioyl) benzylamine with anti-depression activity, its preparing process and use, wherein the preparing process comprises reacting 1 mol of aryl phenol with 1-10 mol of epioxychloropropane in 1-5 mol aqueous solution of potassium carbonate or sodium carbonate at the presence of tetra butyl ammonium bromide for 12-48 hours under room temperature, thus obtaining 3-aryloxy epioxypropane, then subjecting 1 mol of N-alkyl-2-(arylthioyl) benzylamine and 1-5 mol of 3-aryloxy epioxypropane to backflow reaction for 5-48 hours in anhydrous alcohol or absolute methanol. The compounds can be in existence by the form of free alkali or salt for preparing medicaments for resisting depression. The advantages of the invention include simple preparing process and easy operation.

The invention discloses an antistatic polyurethane elastomer. The antistatic polyurethane elastomer comprises the following components in part(s) by mass: 1-2 part(s) of ethyltrimethoxysilane, 50 parts of epoxy propane-type polyether polyol, 0.5 part of N,N-bis[3-(dimethylamino)propyl]-N',N'-dimethyl-1,3-propanediamine, 1 part of sodium oleoyl amino acid, 0.3 part of an inhibitor, 2 parts of dimethyl octadecyl hydroxyethyl ammonium nitrate, 15 parts of toluene di-cyanate ester, 5 parts of triethylene glycol bis-[3-(3-tert-butyl-4-hydroxy-5-methyl phenyl)propionate], 31 parts of polyether polyol and 5 parts of diethyltoluenediamine. The antistatic polyurethane elastomer has good physical and mechanical properties and is high in antistatic capability.

The invention discloses a modified multi-block allyl amine demulsifier and a preparation method thereof. The preparation method comprises the following steps: adding allyl amine as a starting agent and a catalyst in a reaction container, heating to the temperature of 115-145 DEG C, controlling the pressure in the reaction container to be 0.4 MPa or below, feeding ethylene oxide, fully reacting andthen vacuumizing; then feeding propylene epoxide and epoxybutane under the same conditions, fully reacting and then vacuumizing to obtain a primary product; and dissolving the primary product in an organic solvent, then adding the primary product, an initiator and a surfactant in a reactor together, heating to the temperature of 50-80 DEG C, dropwise adding alpha-methyl trimethoxysilane while stirring, controlling the dropwise adding of the alpha-methyl trimethoxysilane to be completed within 0.5-1.5 hours, keeping reacting for 0.5-2 hours, distilling under reduced pressure and removing the solvent to obtain the final product.

The invention discloses a tri-functionality PNIMMO energy-containing adhesive and a synthesis method thereof. The structural formula of the tri-functionality PNIMMO energy-containing adhesive is as shown in a formula (I). The synthesis method comprises the following steps: taking trimethylolpropane (TMP) as an initiator, and 3-nitrate methyl-3-trimethylene oxide (NIMMO) as a monomer, and performing cationic ring-opening polymerization reaction, so as to obtain the tri-functionality PNIMMO energy-containing adhesive. The adhesive can be directly obtained by curing two-functionality isocyanate,and a cross-linking agent is not required to be added. The adhesive is applied to compound solid propellants. In a formula as shown in the description, m is an integer ranging from 5 to 10.

The invention relates to the technical field of petrochemical products and particularly relates to a method for direct production of N-methylisopropanolamine from methylamine and propylene epoxide. The method comprises pumping the aqueous solution of methylamine into a reactor, slowly adding propylene epoxide into the reactor, carrying out mixing for a reaction, pumping the crude product obtained by the reaction into a rectification tower, adjusting rectification parameters of the rectification tower, and carrying out reflux separation several times to orderly remove the aqueous solution of methylamine and the middle fraction and to obtain the N-methylisopropanolamine product. The method fills the gap in high-efficiency production of N-methylisopropanolamine in the industry, realizes direct batch production of N-methylisopropanolamine only through the reactor and the rectification tower and has the advantages of high production efficiency and low production cost.

The invention relates to a preparation method of fluoroalkyl-containing copolyether. The preparation method comprises the following steps: taking perfluoroalkyl iodide and allyl acetate and butenyl acetate to be subjected to single electron transfer reaction and cyclization reaction respectively to prepare two epoxy monomers including fluoroalkyl-containing ethylene oxide and fluoroalkyl-containing trimethylene oxide; then carrying out ring-opening copolymerization on the two monomers under the catalysis of Lewis acid to obtain the fluoroalkyl-containing copolyether. A side group of the fluoroalkyl-containing copolyether provided by the invention is fluoroalkyl and good hydrophobicity can be provided. Alternative structure characteristics of two different chain sections of the copolyetherprovide good molecular flexibility and a product is not easy to crystallize and has a low melting point; meanwhile, a trimethylene oxide chain section exists so that the copolyether has good hydrophobicity. Synthesis reaction of the copolyether has moderate conditions and a technology is simple; the copolyether can be synthesized by conventional equipment so that the preparation method is suitablefor industrialized production.

Compounds formed by reacting a protected amino acid with an alkali metal enolate of an alkyl acetate are reacted with a halogenating agent for halogenation of the 2-position, or a protected amino acid is reacted with an alkali metal enolate of an alkyl halogenoacetate, to form a 4-amino-3-oxo-2-halogenobutanoic acid ester derivative, and hydrolysis and decarboxylation are conducted to produce a 3-amino-2-oxo-1-halogenopropane derivative or its salt. The present method is a useful process for producing a 3-amino-2-oxo-1-halogenopropane derivatives which can easily be converted to a 3-amino-1,2-epoxypropane.

The present invention relates to one kind of fluoric super branched-grafted block polymer, and features that the polymer has core-arm structure comprising core of super branched poly(3-ethyl-3-methyol trimethylene oxide) and arm of alkyl substituted amino methacrylate and fluoric methacrylate block polymerized structure. The fluoric super branched-grafted block polymer is prepared through an oxygen ion initiated polymerization process. The fluoric amphiphilic super branched copolymer of the present invention has double temperature and pH responding performance and lowered surface energy, and the preparation process has fast reaction speed, high conversion rate and high product purity.