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 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 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 discloses a preparation method of fluticasone propionate, 6 Alpha, 9 Alpha- difluoro-ll Beta-hydroxide radical-16 Alpha-methyl-17 Alpha- propionyloxy-3-androsterone-1, 4-diene-17 Beta- thiocarboxylic acid is put into solvent to be reacted with monobromomethane when alkali exists, then the products from the reaction are reacted with tetraalkyl fluorizate ammonium salt or M+F- when ion liquid and solvent exist, finally the target products are collected from the reaction products. The method of the invention has simple operation, high yield, low cost and easy disposal after reaction, thereby having good industrial production prospect.

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 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.

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 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.