36results about How to "Unlimited content" patented technology

The present invention belongs to the field of polyolefine hollow fibre microporous membrane, in particular it relates to a method for making polyolefine hollow fibre microporous membrane implement modification treatment. Said method includes the following steps: placing polyolefine hollow fibre microporous membrane in a low-temperature plasma reactor, irradiating by plasma to produce lots of free radicals on the surface of membrane, then introducing active monomer and making graft polymerization reaction under a certain condition so as to obtain the membrane with required performance. after said membrane is undergone the process of modification treatment, its hydrophilic property is obviously raised, and its water permeable rate is 5-25 L / sq.m hr.

The invention discloses a low-temperature-resistant ultra-toughness modified nylon alloy material and a preparation method thereof. The low-temperature-resistant ultra-toughness modified nylon alloy material is prepared from the following raw materials: PA (poly A) 66, PA6, a main flexibilizer, an auxiliary flexibilizer, a compatilizer, a main ultraviolet absorption agent, an auxiliary ultraviolet absorption agent, a main antioxidant, an auxiliary antioxidant and a lubricating agent. The preparation method comprises the following steps of: mixing the raw materials in a high mixing machine uniformly; putting the mixture into a dual-screw extrusion pelletizer for heating and fusing, vacuumizing, slicing and pelletizing; drying materials after pelletization in a vacuum box, so as to obtain the product granulate low-temperature-resistant ultra-toughness modified nylon alloy material provided by the invention. The product low-temperature-resistant ultra-toughness modified PA66 alloy material provided by the invention has high comprehensive performances and excellent temperature-resistant performance, achieves the advanced level of similar products abroad, can replace imported materials, and meets the high-quality requirement of the domestic market on the ultra-toughness PA66 alloy.

The present invention provides a method for preparing disperse dye microcapsule by utilizing melamine resin performed polymer and ethylene monomer as monomer for forming microcapsule well material and adopting in-situ polymerization. The wall material has good slowly-releasing property, centralized grain size distribution (generally, the grain size is 2-14 micrometer), small dose of adjuvant. It can control release of dye, can be used for dyeing and multiple transfer printing of polyester fabrics, and can raise utilization rate of dye and reduce pollution.

The invention relates to an alloy material, in particular to an alloy material of long carbon chain nylon and polymethylmethacrylate, which comprises the following components by weight percent: 70-90% of polymethylmethacrylate, 5-25% of long carbon chain nylon, 1-10% of compatibilizer, 0.1-1% of lubricant, 0.1-0.5% of antioxidant and 0.1-0.5% of nucleating agent. The alloy material provided by the invention has the advantages of high transparency, good toughness, good liquidity, high elongation at break and good abrasion resistance, and further extends the application fields of polymethylmethacrylate and long carbon chain nylon, thereby having a wide application prospect.

The invention relates to a hormone spray agent for sow aphrodisiac, which comprises the following components in percentage by weight: 0.001-0.006% of swine ectohormone, 0-5% of cosolvent and balance of a water solution containing 55-85% of ethanol, wherein the swine ectohormone is androst-16-ene-3 alpha-ol or androst-16-ene-3-one. The spray agent of the invention has simple manufacturing, can effectively improve the reproductive capacity of a sow, and promotes the development of livestock breeding.

The present invention relates to one kind of cholesterin derivative containing aobenzol group and with novel structure, the synthesis of this kind of compounds and their use as light controlled release material in controlling the release of liposome coated medicine. The synthesis process is simple and suitable for industrial production.

The invention relates to a cholesterol ramification containing azobenzene group and the compounding method, and the application as light controlling releasing material. It has simple method, and is suitable for industrializing manufacturing.

The invention provides a method for modifying irradiation of a polyethylene hollow fiber microporous membrane. The method is characterized in that after the polyethylene hollow fiber microporous membrane is fully soaked in active monomer solution, membrane fibers which are processed by the active monomer solution are irradiated, a free radical is generated on the surface of the membrane, and a cross-linking and grafting reaction is generated, so that the polyethylene microporous membrane with high hydrophilcity is obtained. The surface water contact angle of the polyethylene hollow fiber microporous membrane after being irradiated is reduced, the hydrophilcity is obviously improved, and the prepared hollow fiber microporous membrane has stable performance.

The present invention discloses one process of preparing hydrogen with biomass fast cracking oil. The biomass fast cracking oil as main material and the Ni / Al2O3 catalyst are water vapor catalytically reformed under proper reaction temperature, reaction pressure, reaction time and other technological conditions to prepare synthetic gas with rich hydrogen content. The present invention provides one new way for producing hydrogen and lays foundation for the subsequent processing of biomass cracking oil and the development of biomass resource.

The invention relates to an efficient preparation method of methyl 3-hydroxypropanoate. The problems that in the prior art, reaction conditions are relatively rigor and the reaction conversion rate and selectivity are low are mainly solved. The preparation method of the methyl 3-hydroxypropanoate includes the following steps that a ruthenium catalyst which is prepared in advance is added, and oxirane, carbon monoxide and methyl alcohol react to obtain the methyl 3-hydroxypropanoate. X- is selected from hexafluorophosphate, tetrafluoroborate, tetraphenylborate and hexafluoroantimonate, R is oneof alkyl, vinyl, epoxy, aryl and substituted aryl, by means of the technical scheme, the technical problem is well solved, and the method can be applied to industrial production of the methyl 3-hydroxypropanoate.

The phenolic resin containing core-shell polymer may be used in resin grinding wheel, braking friction sheet, molded phenolic plastic and fiber reinforced phenolic resin composite material. The present invention provides the preparation process of molded plastic with the resin. Especially, the molded plastic includes phenolic resin with core-shell polymer, linear phenolic resin, hexamethine tetramine, lower molecular weight polyolefin, cure promoter, stuffing, and short cut fiber or mixed organic-inorganic fiber. The method of the present invention is economic, simple and suitable for industrial production.

The invention relates to the technical field of building materials, and discloses a machine-made sand regulator for concrete, which comprises polycarboxylic acid mother liquor, diethanolisopropanolamine, triisopropanolamine, glycerol and sodium sulfate. Water is used as a solvent. The machine-made sand regulator disclosed by the embodiment of the invention has rich hydroxyl, is weakly alkaline, does not contain chloride ions, is non-toxic and non-corrosive, and is a high-performance green and environment-friendly material. The components are simple, and the excellent performance is achieved byregulating and controlling the reasonable ratio of the components. By using the machine-made sand regulator as an admixture of concrete, all sand in the concrete can adopt machine-made sand. No wasteliquid is generated, no cleaning is needed after stirring, no production wastewater is generated, and no waste gas is generated. The invention further discloses concrete and a preparation method thereof.

The invention relates to high-concentration anti-electrostatic master batch and a preparation method thereof. The high-concentration anti-electrostatic master batch is prepared from 15-50 parts of a porous polymer carrier and 50-90 parts of an anti-electrostatic agent, wherein the porous polymer carrier is prepared from 80-95 parts of a polymer, 1-10 parts of mineral packing, 0.01-5 parts of a foaming agent, 0.01-0.5 part of a foaming aid and 0.01-0.3 part of a lubricant. The preparation method comprises the following steps: adding the anti-electrostatic agent into the porous polymer carrier, mixing until the anti-electrostatic agent is completely adsorbed, and discharging, thereby preparing the high-concentration anti-electrostatic master batch. The concentration of the anti-electrostatic agent in the prepared high-concentration anti-electrostatic master batch is as high as 70% or above, and the problem that the anti-electrostatic agent is not dispersed uniformly and is hardly mixed with resin in the production process can be effectively solved. The high-concentration anti-electrostatic master batch is simple in preparation process, easy to operate, beneficial to industrial production, applicable to large-scale popularization and application, and has remarkable price advantage, the labor intensity and the cost are also remarkably lowered.

The invention relates to a preparation method of 3-hydroxy-propionaldehyde. The preparation method mainly solves the problem that a homogeneous system catalyst is difficult to recycle in the prior art. The preparation method of the 3-hydroxy-propionaldehyde comprises the following steps: a) performing a complexing reaction in a solvent on ligand and cobalt carbonyl so as to obtain a catalyst solution; and b) adding oxacyclopropane and synthesis gas, and reacting to obtain the 3-hydroxy-propionaldehyde, wherein the ligand is of a following structure, X is selected form one of an oxygen atom and a sulfur atom, and R is selected from one of a cyclo group, an aryl group or a substituted aryl group. Through the technical scheme, the technical problem is preferably solved, and the preparation method can be used in industrial production of the 3-hydroxy-propionaldehyde.

The invention discloses a confined efficient M(salen) metal complex composite solid catalyst in a nanoreactor and application of the catalyst to preparing diol through hydration of an epoxy compound.A catalytic system can be marked as M(salen) / PN, wherein M is a metal ion and PN is a hollow high polymer. The loading capacity of M(salen) in a molecular sieve is 0.1% to 20%. A method has good operation convenience and repeatability, good catalytic performance is presented in reaction, recovery is easy and the catalyst can be used for industrial production.

The invention relates to a producing method of 3-hydroxypropanoate. The problems that a catalyst is complex in preparation and low in activity in the prior art are mainly solved. According to the producing method of the 3-hydroxypropanoate, with the presence of a cobalt salt, ligand and a cocatalyst, oxirane, synthesis gas and alcohol react to obtain the 3-hydroxypropanoate, wherein the cobalt salt is one of cobalt phosphate, cobalt sulfate, cobalt acetate, cobalt chloride, cobalt carbonate, cobalt nitrate, cobalt hydroxide, cobalt oxide and cobalt oxalate, the ligand is N-containing ligand, and the cocatalyst is metal powder or a carrier-loaded metal element. By means of the technical scheme, the technical problem is well solved, and the method can be used for industrial production of the3-hydroxypropanoate.

The present invention provides a method for preparing disperse dye microcapsule by utilizing melamine resin performed polymer and ethylene monomer as monomer for forming microcapsule well material and adopting in-situ polymerization. The wall material has good slowly-releasing property, centralized grain size distribution (generally, the grain size is 2-14 micrometer), small dose of adjuvant. It can control release of dye, can be used for dyeing and multiple transfer printing of polyester fabrics, and can raise utilization rate of dye and reduce pollution.

The invention relates to a preparation method of methyl-3-hydroxypropanoate and mainly aims at solving the problems of complex catalyst preparation, relatively high reaction temperature and high energy consumption in the prior art. The technical problems are better solved by adopting the technical scheme that the preparation method of methyl-3-hydroxypropanoate comprises the following steps: a) reacting an ionic liquid and iron chloride in a solvent to obtain a catalyst; and b) reacting ethylene oxide, carbon monoxide and methanol in the existence of the catalyst to obtain methyl-3-hydroxypropanoate, wherein the ionic liquid has the following structure shown as the specification, X is selected from halogens, and R1 and R2 are independently selected from alkyl, alkenyl, cyclo, aryl or substituted aryl; and the preparation method can be used for industrial production of methyl-3-hydroxypropanoate.

This invention relates to a method for preparing rare earth oxide powder with high loose packing density and low specific surface area. The method comprises: precipitating rare earth salt (e.g., nitrate) solution containing additives with a precipitant (carbonate-containing compound), filtering the precipitate, oven-drying, and torrefying to obtain rare earth oxide powder with a loose packing density of 1.8-2.2 g / cm3, a specific surface area less than 3 g / cm2, and volume center diameters (D50) larger than 20 mu.m. The method has such advantages as simple process, and easy operation. The rare earth oxide powder can be used as a polishing material for gems, and an additive for glass and ceramics.

The invention discloses a method for preparing fluticasone propionate. 6α, 9α-difluoro-11β-hydroxyl-16α-methyl-17α-propionyloxy-3-ketoandrost-1,4-diene -17β-thiocarboxylic acid reacts with bromohalomethane in a solvent in the presence of a base, then reacts the reaction product with tetraalkylammonium fluoride or M+F- in the presence of an ionic liquid and a solvent, and then Collect the target product from the reaction product. The method introduced by Fang Ming is easy to operate, high in yield, low in cost, convenient in post-treatment, and has good prospects for industrialized production.

The invention relates to a production method of 3-hydroxypropionate, which mainly solves the problems of complex catalyst preparation and low activity in the prior art. The present invention is by adopting the method for producing 3-hydroxypropionate, under the presence of cobalt salt, ligand and cocatalyst, ethylene oxide, synthesis gas and alcohol, reaction obtains 3-hydroxypropionate; Wherein, described cobalt salt It is one of cobalt phosphate, cobalt sulfate, cobalt acetate, cobalt chloride, cobalt carbonate, cobalt nitrate, cobalt hydroxide, cobalt oxide, cobalt oxalate, the ligand is an N-containing ligand, and the cocatalyst is a metal The technical solution of powder or carrier loading metal element better solves this technical problem and can be used in the industrial production of 3-hydroxypropionate.

The invention relates to a cholesterol ramification containing azobenzene group and the compounding method, and the application as light controlling releasing material. It has simple method, and is suitable for industrializing manufacturing.

The invention discloses a recycling method for balling small oil shale granules in a cold pressing manner. The method comprises the following steps: by taking water or a mixture of argil, cement and water glass as a bonding agent, grading the small oil shale granules with the granularity less than or equal to 8mm and feeding the small oil shale granules with the granularity less than or equal to 3mm into a stock bin; then feeding the small oil shale granules with the granularity less than or equal to 3mm in the stock bin into an agitator, adding the bonding agent, evenly stirring and feeding the mixture into a ball press machine to form oil shale balls; drying or airing the balls; finally, refining the dried or aired the oil shale balls by virtue of the existing dry distillation equipment so as to obtain shale oil. According to the method, the difficult problem that the resource is wasted because the existing small oil shale granules are abandoned is effectively solved. Thus, the abandoned small oil shale granules can be fully utilized. The method has significant economic and social benefits.

The invention relates to a coumarin skeleton polycyclic compound with biological activity as well as a preparation method and use thereof. The general formula structure of the compound is as shown in the specification, wherein in the formula, * represents a chiral carbon atom, R1 and R2 are respectively any one of C1-C16 alkyl, heteroaromatic ring or substituted aromatic ring; R3 is any one of H or C1-C16 alkyl or aryl; R4-R7 are respectively any one of H, F, Cl, Br, ester group, cyano, sulfuryl, nitro, heteroaromatic ring, C1-C16 oxyl, C1-C16 alkyl or substituted aromatic ring, and X is any one of O, X N, S atoms or imine, ketoxime and aromatic hydrazone. The compound has excellent region and stereoselectivity and a plurality of special physiological activities and tumor cell proliferation inhibition activities, and can be used for researching and developing antitumor drugs.

The invention relates to a synthesis method of dimethyl malonate, provides a novel carbonylation reaction synthesis route, and solves the problems of high cost, complex process and environmental pollution in the prior art. According to the technical scheme, the synthesis method of dimethyl malonate comprises the following steps: reacting cobalt carbonyl with a ligand to obtain a complex catalyst;and then adding methylal and carbon monoxide to react to obtain dimethyl malonate, wherein the ligand is a hexadentate chelated nitrogen ligand, and R is selected from n-octyl, phenyl, 4-methylphenylor phenoxy methyl. Therefore, the technical problem is well solved, and the method can be used for industrial production of dimethyl malonate.

The invention relates to a method to prepare 4-[(4-hydroxybenzene) azo] cholesteryl benzoate. Further speaking, it is a method to generate 4-[(4-hydroxybenzene) azo] cholesteryl benzoate by esterification, electronation and coupling reactions beginning with cholesterin. It begins with cheap raw material, the reaction is not rigorous and easy to operate, and it is applied to industrialized production.

This application relates to the technical field of building materials, and discloses a machine-made sand conditioner for concrete, including: polycarboxylic acid mother liquor, diethanol monoisopropanolamine, triisopropanolamine, glycerin and sodium sulfate; the solvent is water . The machine-made sand conditioner of the embodiment of the present disclosure has abundant hydroxyl groups, is weakly alkaline, does not contain chloride ions, is non-toxic and non-corrosive, and is a high-performance green environmental protection material. The composition is simple, and the excellent performance can be achieved by adjusting the reasonable ratio of the components. As an admixture for concrete, machine-made sand can be used as the sand material in concrete. No waste liquid is generated, no cleaning is required after stirring, no production wastewater is generated, and no waste gas is generated. The application also discloses a concrete and a preparation method thereof.