77 results about "Biethylene" patented technology

The present application relates to a kind of carbon dioxide mineralization method and carbon dioxide mineralization device.The carbon dioxide mineralization method includes the following steps: mixing absorption liquid and industrial solid waste at room temperature, obtain mortar;Make mortar solid-liquid separation, obtain clear liquid and thick slurry;Carbon dioxide in flue gas is absorbed by clear liquid, obtain carbon-rich absorption liquid;Carbon-rich absorption liquid and thick slurry occur mineralization reaction at 180 DEG C-220 DEG C, obtain mineralized slurry;Make mineralized slurry solid-liquid separation, obtain mineralized ash and mineralized clear liquid;Wherein, absorption liquid includes inorganic base and organic base, organic base includes monoethanolamine, diethanolamine, triethanolamine, 3-methylaminopropylamine, N-methyl diethanolamine, piperazine, diethylene triamine, triethylene tetramine, tetraethylene pentamine and 2-amino-2-methyl-1-propanolamine at least two kinds.The method greatly improves CO2 capture rate and CO2 utilization rate, and organic base consumption is less, absorption liquid regeneration energy consumption is low, and overall economy is good.

The application discloses an oil and gas field polymer solution viscosity protection system with improved ferrous ion tolerance, and belongs to the technical field of oil and gas field chemicals.The system comprises the following components in mass percentage: 5-10% of a ferrous ion stabilizer, 10-20% of a free radical capturing agent, 10-20% of a structure reinforcing agent, 5-10% of a synergist, and the balance of water; the ferrous ion stabilizer is at least one selected from sodium gluconate, potassium gluconate, diethylene triamine pentaacetic acid and hydroxyethylidene diphosphonic acid; the free radical capturing agent is a compound containing phenolic hydroxyl; the structure reinforcing agent is an imidazoline compound; and the synergist is an aldehyde compound.The application method of the viscosity protection system is as follows: the viscosity protection system is first added into liquid water, polymer powder is then added, a gel breaker is further added, and stirring is uniformly performed to obtain a polymer solution.The viscosity protection system significantly reduces the influence of ferrous ions on the viscosity of the polymer solution, and improves the application effect of polyacrylamide substances in the field of oil and gas fields.

The invention relates to the technical field of composite films for BIB packaging inner bags, and discloses a high-barrier single-material sterile BIB packaging bag and a preparation process thereof, the preparation process comprises the following steps: using vanillin, 3-bromopropene, gallic acid, diethylenetriamine and 1, 3-acetonedicarboxylic acid as raw materials to prepare a gallic acid type grafting monomer; the preparation method comprises the following steps: carrying out melt grafting modification treatment on LDPE (Low-Density Polyethylene) resin by using a gallic acid type grafting monomer, and compounding with graphene oxide through pi-pi accumulation action and hydrogen-bond interaction to prepare the graphene-polyethylene composite master batch with an antioxidant function; the preparation method comprises the following steps: preparing a polyethylene master batch, introducing the master batch into a seven-layer co-extruded film to prepare a polyethylene co-extruded film, and preparing the high-barrier single-material sterile BIB packaging bag by taking the co-extruded film as a raw material of an inner bag of the BIB packaging bag. The polyethylene co-extruded film prepared by the invention still shows excellent mechanical properties and barrier properties after being treated by a radiation sterilization technology, and can be used instead of an existing aluminized polyester bag.

The invention provides polyester resin for a transparent powder coating with excellent adhesive force and leveling as well as a preparation method and application of the polyester resin, and belongs to the technical field of powder coatings. The polyester resin is mainly prepared by taking diethylenetriamine pentaacetic acid, triethyl chlorosilane, 1, 6-hexanediol, N, N-diisopropylethanolamine, 2, 2-dimethyl propanol, neopentyl glycol, 3, 3-tetramethylene glutaric anhydride, 1, 4-cyclohexanedimethanol and the like as raw materials through polymerization. The obtained polyester resin chain segment has many branched structures, the number of amino groups and ester groups in the branched structures is large, the softening point is low, the low-temperature melting fluidity is good, the transparency is high, the adhesive force with a base material is good, then high-functionality diethylenetriamine pentaacetic acid is adopted for carboxyl end capping, the terminal carboxyl functionality is high, the curing activity is high, and the curing effect is good. After being cured with E-12 epoxy resin at low temperature, a coating film is good in leveling property and high in transparency, and can be used in the fields of thermosensitive base materials which are not easy to adhere, such as thin glass materials and the like.

The invention relates to a novel rubber material, in particular to white low-density flame-retardant silicone rubber as well as a preparation method and application thereof. The white low-density flame-retardant silicone rubber comprises first vinyl-terminated polysiloxane, second vinyl-terminated polysiloxane, hydrogen-containing polysiloxane, an acyloxy silane coupling agent, a platinum catalyst, an alkynol inhibitor, an inorganic flame-retardant filler, white carbon black and a synergistic flame-retardant system. The white low-density flame-retardant silicone rubber disclosed by the invention is liquid silicone rubber and has the advantages of white color, low density, excellent flame-retardant effect, good processability and the like.

The application discloses a pyrrole polymer electrolyte film in an energy storage lithium battery and a preparation method and application thereof, and belongs to the polymer electrolyte field. The method comprises the following steps: reacting 1-methyl pyrrolidine and bromine n-butane to prepare 1-methyl-1-butyl pyrrolidine bromide; preparing 1-methyl-1-butyl pyrrolidine difluoromethane sulfonimide salt ionic liquid by mixing the 1-methyl-1-butyl pyrrolidine bromide and lithium difluoromethane sulfonimide; mixing 1-methyl-1-butyl pyrrolidine difluoromethane sulfonimide salt ionic liquid, polyethylene glycol methyl ether methacrylate, acrylonitrile, lithium bistrifluoromethanesulfonimide, divinylbenzene and benzoin ethyl ether uniformly, coating and curing to obtain a pyrrole ionic liquid polymer electrolyte film. The application combines the molecular configuration of the pyrrolidine-based ionic liquid and the topological structure of the polymer network, realizes triple optimization of ion transmission-mechanical strength-interface stability.

The invention provides an azo dye adsorbent preparation method, which comprises: S1, carrying out alkali treatment on a pyrolytic coke raw material to obtain porous pyrolytic coke; s2, introducing inert gas into the organic amine solution to obtain inert gas carrying organic amine; the organic amine comprises at least one of diethanol amine, hydroxyethyl ethylenediamine and diethylenetriamine; and S3, placing the porous pyrolytic coke in a reactor, then introducing inert gas carrying organic amine into the reactor, and carrying out organic amine modification on the porous pyrolytic coke by adopting a low-temperature plasma technology to obtain the azo dye adsorbent. According to the method, the pyrolytic coke is adopted as the raw material, resource utilization of the waste heat pyrolytic coke is achieved while pollution is reduced, the waste heat pyrolytic coke obtains the use value again through recycling and reprocessing, and resource waste is effectively reduced. The azo dye adsorbent obtained by adopting the preparation method disclosed by the invention has an excellent adsorption effect and has a good application prospect in azo dye wastewater treatment.

The application discloses a preparation of a thermosetting benzocyclobutene-based MQ silicone resin and application thereof in preparing a glass fiber composite material, and comprises the following steps: stirring and reacting an organic silicon source, a solvent, a catalyst and water at 30-50 DEG C for 30-90 min to form a mixed solution A; uniformly mixing divinylsiloxane-benzocyclobutene and the solvent to form a mixed solution B, adding the mixed solution B into the mixed solution A, and heating to 65-80 DEG C for 1-3 h; adding an organic phase after the reaction is completed, washing with water for several times until neutral, removing the solvent by vacuum distillation, and vacuum drying; and obtaining the thermosetting benzocyclobutene-based MQ silicone resin. The thermosetting benzocyclobutene-based MQ silicone resin has excellent dielectric properties, mechanical properties, heat resistance and chemical stability, and the cured resin formed by thermal crosslinking has the properties of low dielectric, high tensile strength, high bending strength, chemical stability and heat resistance.

The application discloses a high-temperature deblocking crosslinking type silicone modified waterborne polyurethane for dispersion dyeing free washing and a preparation method thereof. The silicone modified waterborne polyurethane is composed of two components A and B. The component A is a blocked type silicone modified waterborne polyurethane, which is prepared by condensation of isophorone diisocyanate, poly-1,4-butanediol adipate, polytetrahydrofuran diol, double-hydroxyl blocked polydimethylsiloxane, 2,2-dimethylol butyric acid and 1,4-butanediol, and blocking with a high-temperature deblocking blocking agent. The component B is diethylenetriamine. The silicone modified waterborne polyurethane is applied to digital jet dyeing of polyester fabric with dispersion dyes, so that reduction cleaning and washing processes can be omitted. The surface color yield and penetration rate of the jet-dyed fabric are excellent, the dry rubbing fastness is improved to grade 4-5, the wet rubbing fastness is improved to grade 4, and the soaping fastness can reach grade 5, so the silicone modified waterborne polyurethane has a wide application prospect.

This invention belongs to the field of organosilicon thermally conductive materials, and provides a liquid silicone rubber system for thermally conductive pads and its preparation method. The system comprises vinyl-terminated dimethyl polysiloxane, MQ / phenyl-enriched pre-crosslinked polysiloxane microgel, vinyltrimethoxysilane-modified hexagonal boron nitride, alumina, trimethylsilane-terminated dimethylsiloxane-methylhydrosiloxane copolymer, 1,3-divinyl-1,1,3,3-tetramethyldisiloxane zero-valent platinum complex, and 1-ethynyl-1-cyclohexanol, forming a two-component packaging. This system is advantageous in balancing thermal conductivity, electrical insulation, flowability, defoaming, softness and fit, and long-term stability, making it suitable for the preparation of thermally conductive pads.

Disclosed is a separator for an electrochemical device, an electrochemical device comprising the same, and a method for manufacturing the same. The separator for the electrochemical device can improve resistance and maintain porosity after lamination by including a polyvinylidene-containing binder containing a low content of hexafluoropropylene and / or a polyolefin-containing binder.

The invention relates to a high-adhesion anti-stripping primer special for a metal substrate and a preparation method thereof, and belongs to the technical field of paints.The primer comprises silane modified phosphoramidate chelating resin, graphite oxide-Schiff base zirconium-siloxane hybrid filler, a hyperbranched polyamide-siloxane bonding accelerant, an isocyanate curing agent, functional auxiliaries and the like. The silane modified phosphoramidate chelating resin is prepared by carrying out a reaction on bisphenol F epoxy resin and diethylenetriamine, and carrying out a reaction on p-toluenesulfonic acid, diethyl phosphite, KH540 and hydroquinone. The graphite oxide-Schiff base zirconium-siloxane hybrid filler is prepared from the following components: GO-SB, ZrO2-siloxane core-shell particles, zirconium n-propoxide and the like. The hyperbranched polyamide-siloxane bonding accelerator is prepared by the following steps: reacting ethylenediamine with methyl acrylate, then reacting with ethylenediamine, and then modifying with KH540 and perfluoroalkyl phosphate. The problems that a traditional primer is weak in interface bonding force, easy to peel off and insufficient in corrosion resistance are solved.

A prepreg and uses thereof are provided. The prepreg includes an organic fiber woven fabric impregnated or coated with a thermally curable resin composition, wherein the thermally curable resin composition includes:(A) a polyphenylene ether resin having an unsaturated functional group;(B) a polyfunctional vinyl aromatic copolymer; and(C) a compound having the structure of formula (I),wherein, in formula (I), X is a C1-C10 linear or branched alkylene; andthe polyfunctional vinyl aromatic copolymer is prepared by copolymerizing one or more divinyl aromatic compounds with one or more monovinyl aromatic compounds.

This invention belongs to the field of functional materials preparation, specifically relating to a method for preparing a carbon dot composite material with time-varying phosphorescent properties, the resulting product, and its applications. This invention uses diethylenetriaminepentaacetic acid and biuret as precursors to prepare green phosphorescent carbon dots via a conventional microwave-assisted synthesis method. The obtained carbon dots have an amorphous carbon structure. Subsequently, these carbon dots are mixed and ground with sodium hydroxide, melamine, and aluminum sulfate, and then subjected to solid-state heating under microwave assistance to successfully synthesize a carbon dot composite material (CDs-y@MA) with time-varying phosphorescent properties. This composite material exhibits time-varying phosphorescence from red to green after irradiation with 365 nm ultraviolet light and demonstrates excellent water resistance. The composite material prepared by this invention not only demonstrates the excellent performance of carbon dot composite materials in time-varying phosphorescence and underwater luminescence but also provides potential application prospects for the development of advanced encryption technologies.

The present application relates to the technical field of battery binders, in particular to a water-based binder and a preparation method therefor, and a carbon-coated aluminum foil. The water-based binder comprises a water-soluble monomer, an oil-soluble monomer, an amphiphilic monomer, a functional monomer, an initiator and a neutralizing agent, wherein the amphiphilic monomer comprises at least one of sodium vinylsulfonate, sodium styrene sulfonate, 2-acrylamido-2-methylpropanesulfonic acid, and N-vinylpyrrolidone; and the functional monomer comprises at least one of divinylbenzene, pyrrole, phenylacetylene, and 3,4-ethylenedioxythiophene. The water-based binder of the present application is formulated by compounding the water-soluble monomer, the oil-soluble monomer, the amphiphilic monomer and the functional monomer in proportion, thereby simultaneously improving the electrical conductivity of the binder, the wettability toward conductive carbon materials and aluminum foils, the adhesion to aluminum foils, etc.; and the water-based binder makes a battery prepared therefrom exhibit a good cycling stability, and is conducive to prolonging the service life of the battery.

This invention discloses a low-VOC environmentally friendly interior wall coating composition and its preparation method in the field of architectural coatings technology. The method involves mixing deionized water, diethylenetriamine-terminated hyperbranched polyglycerol-grafted polypropylene glycol diglycidyl ether star copolymer, and polyether-modified polysiloxane. Titanium dioxide, calcined kaolin, heavy calcium carbonate, and talc are then added and ground to obtain a pigment and filler slurry. Next, styrene-acrylic emulsion, acrylic emulsion, and a mixture containing N-(diaminoethyl)-aminopropylmethyldimethoxysilane-modified glycidyl methacrylate-polyetheramine-epoxy soybean oil ring-opening copolymer and methyl isobutyl ketone are added. After stirring, the pH is adjusted to 8.0-9.5 using an associative polyurethane thickener and aminomethylpropanol. Polyether-modified polysiloxane and benzisothiazolinone are then added, followed by degassing to obtain the final product. This coating has extremely low volatile organic compound content and exhibits excellent formaldehyde removal, scrub resistance, and dispersion stability.

A composition comprising at least the following: a first composition comprising components a and b: a) a first ethylene / alpha-olefin interpolymer comprising an I2≤100 dg / min, and a density ≤0.880 g / cc, and b) a second ethylene / alpha-olefin interpolymer comprising an I2>100 dg / min; and wherein the first composition meets the following relationship: y<1.26 ln(x)−3.90, where y=weight ratio of the second interpolymer to the first interpolymer, and x=the I2 ratio of the second interpolymer to the first interpolymer; and wherein the composition comprises ≥60 wt % of the sum of the first interpolymer and the second interpolymer, based on the weight of the composition.

This disclosure relates to a film layer for use in flexible metal clad laminates. The film layer comprises a thermosetting composition comprising: a copolymer of (a) a diisoalkenylarene (DIAEA) and (b) a divinylarene (DVA) containing a mixture of m-divinylarene and p-divinylarene, in a mole ratio of (a) to (b) of 15:1 to 1:15; a second polymer; a filler and optional additives. Flexible metal clad laminates made with the film further comprises a metal foil bonded to the surface of the film. The thermosetting composition containing the DIAEA-DVA copolymer provides improved thermal stability at high temperature, excellent processability, and electrical properties, e.g., Dk and Df.

The invention provides an anti-yellowing high-activity platinum-containing coordination catalyst, which is characterized in that chloroplatinic acid is used as a platinum source, 1, 3-divinyl tetramethyl disiloxane (M2vi) and 1, 3, 5, 7-tetramethyl-1, 3, 5, 7-tetravinyl cyclotetrasiloxane (D4vi) are used as ligands, the chloroplatinic acid, the M2vi and the D4vi are subjected to a coordination reaction under the condition of sodium bicarbonate, and the anti-yellowing high-activity platinum-containing coordination catalyst is obtained through the combined action of multiple ligands. And a platinum catalyst system with inherent stability and high activity is constructed. The invention also provides a preparation method of the anti-yellowing high-activity platinum-containing coordination catalyst, which comprises the following steps: step-by-step impurity removal and purification are carried out, an alcohol solvent is firstly removed, and then an organosilicon low-boiling solvent is used as an entrainer, so that free M2vi and D4vi can be efficiently removed, and the anti-yellowing high-activity platinum-containing coordination catalyst with high purity, high activity and high platinum content is prepared.

The invention discloses addition type liquid silicone rubber with high light transmittance and weather resistance and a preparation method thereof, and belongs to the field of liquid silicone rubber. The preparation method comprises the following steps: mixing vinyl-terminated polydimethylsiloxane and modified fumed silica, and kneading to obtain base rubber; uniformly mixing the prepared base rubber, diethylenetriamine silane, modified nano cerium oxide and a platinum complex catalyst, and defoaming to obtain a component A; uniformly mixing the prepared base rubber, an inhibitor, a cross-linking agent and N-(beta-aminoethyl)-gamma-aminopropyl trimethoxy silane, and defoaming to obtain a component B; uniformly mixing and vulcanizing the component A and the component B to obtain the high-light-transmittance weather-resistant liquid silicone rubber. The light transmittance is not less than 95%, and the haze is not more than 1.5% After a 2000h ultraviolet aging test, the light transmittance decrease amplitude is less than or equal to 3%, the yellowing index (YI) is less than or equal to 2, and the ultraviolet aging resistance is excellent; and after 50 times of high and low temperature cycles at-40 DEG C to 150 DEG C, the tensile strength retention rate is greater than or equal to 92%. The product provided by the invention can be widely applied to the fields of outdoor LED packaging, solar photovoltaic modules, outdoor optical lenses and the like.

One aspect of the present application relates to a resin composition comprising: a pre-reaction product (A) obtained by previously reacting a mixture comprising a polyfunctional vinyl aromatic copolymer (a1) containing a repeating unit derived from a divinyl aromatic compound and a maleimide compound (a2) having an alkyl group having 6 or more carbon atoms and an alkylene group having 6 or more carbon atoms.

The invention belongs to the technical field of organic synthesis and catalytic chemistry, and particularly relates to a synthesis method of triethylene glycol divinyl ether. The invention provides a compound of neutral ionic liquid and strong acid, and the compound is used as a catalyst for ethynylation reaction of alcohol and acetylene. Specifically, a compound of 1-butyl-3-methylimidazole bis (trifluoromethane sulfonimide) salt and trifluoromethanesulfonic acid is used for catalyzing the reaction of triethylene glycol and acetylene to prepare the triethylene glycol divinyl ether. The catalyst has super-strong acidity and good stability to water and air, is immiscible with a product, and creates an efficient and safe catalytic environment; the side reaction is effectively inhibited, the product purity is good, and the yield can reach 90% or above; and the catalyst and the product are automatically layered, separation and recovery are simple and convenient, the recovery rate is high, the catalyst can be repeatedly used for multiple times without obvious reduction of activity, and cyclic utilization of the catalyst is realized.

The invention relates to the technical field of coatings. The salt-spray-resistant high-solid epoxy coating is prepared from the following raw materials in parts by weight: 30 to 50 parts of bisphenol A epoxy resin, 5 to 15 parts of carboxyl-terminated nitrile rubber, 5 to 10 parts of diethylenetriamine, 10 to 20 parts of mixed solution, 10 to 20 parts of flaky antirust filler, 0.3 to 0.8 part of dispersing agent, 0.1 to 0.4 part of defoaming agent, 0.2 to 0.6 part of flatting agent, 3 to 6 parts of first additive, 2 to 5 parts of second additive and 0.3 to 0.8 part of ultraviolet stabilizer. In the invention, under the synergism of the two, not only is the overall compactness of the coating enhanced, but also the chemical barrier layer is constructed at the interface, so that the salt spray resistance of the coating is improved, and the service life of the coating in a severe corrosion environment is greatly prolonged.

The present invention relates to a polyethylene composition comprising a base resin which comprises (A) a first ethylene homo- or copolymer fraction, and (B) a second ethylene-hexene-1 copolymer fraction, wherein fraction (A) has a lower molecular weight than fraction (B) and wherein fraction (B) is present in an amount of from 51.0 to 58.5 wt. %, preferably 52.0 to 57.5 wt. %, more preferably 53.0 to 57.0 wt. % based on the total weight of the base resin, wherein fraction (B) of the base resin has a content of units derived from hexene-1 from 0.80 to 1.45 mol %, preferably of from 0.82 to 1.35 mol % and more preferably of from 0.85 to 1.30 mol %, wherein the base resin has a number average molecular weight Mn of 8,500 g / mol or higher, and wherein the polyethylene composition has a melt flow rate MFRs from 0.10 to 0.30 g / 10 min, preferably from 0.15 to 0.28, and still more preferably from 0.16 to 0.25 g / 10 min, to a process for producing the polyethylene composition, to an article, especially a pipe comprising the polyethylene composition and to the use of the polyethylene composition for the production of an article, especially a pipe.

The invention relates to a preparation method and application of a catalyst for producing diethylenetriamine from iminodiacetonitrile, and belongs to the technical field of fine chemical engineering. According to the catalyst, an Al2O3 carrier is modified through alkali metal and rare earth metal to obtain a modified M2O-ROx / Al2O3 carrier, and then a nickel-copper bimetallic active component is loaded on the modified M2O-ROx / Al2O3 carrier to obtain the Ni-Cu-M2O-ROx / Al2O3 catalyst. The catalyst is used in a process for generating diethylenetriamine from iminodiacetonitrile, and is a low-cost catalyst which is adaptive to a high-pressure fixed bed process and has high mechanical strength, high stability and high selectivity.

The application provides a nitride semiconductor etching solution, a preparation method and application thereof, and the nitride semiconductor etching solution comprises the following components in a weight ratio: 1-20 parts of hydrogen peroxide; 1-10 parts of sodium salt; 5-40 parts of inorganic acid; 5-10 parts of organic acid; and 10-30 parts of ultrapure water. The sodium salt is one or more of sodium diethylenetriamine pentamethylene phosphonate, five sodium diethylenetriamine pentamethylene phosphonate and seven sodium diethylenetriamine pentamethylene phosphonate. The application further discloses a preparation method of the nitride semiconductor etching solution and application thereof in the field of nitride metal film etching. The nitride semiconductor etching solution can react with the nitride metal film, can inhibit the decomposition of hydrogen peroxide, and can prevent the metal ions after etching from being adsorbed to the surface of the substrate and from polluting the substrate.

This invention relates to the field of fabric finishing agents, and more particularly to a durable hydrophilic softening agent for irregularly shaped cross-section nylon fabrics and its preparation method. The aforementioned durable hydrophilic softening agent for irregularly shaped cross-section nylon fabrics comprises, by weight, the following raw materials: 10-15 parts adipic acid, 5-10 parts hexamethylenediamine, 1-5 parts amino-terminated polyamide amine, 10-30 parts polyether amine 400, 0.1-0.5 parts catalyst A, 30-50 parts double-terminated epoxy polyether silicone oil, 1-5 parts polyether amine 900, 0.1-1 part diethylenetriamine, 1.1-4 parts glacial acetic acid, 5-15 parts surfactant, 10-20 parts polyethylene glycol, 1-5 parts hexamethylene diisocyanate, 0.01-0.1 parts catalyst B, 1-5 parts 2-acrylamido-2-methylpropanesulfonic acid, 1-3 parts dicyandiamide, and 1-5 parts amino silicone oil. This invention has outstanding softness, good elasticity, hydrophilicity, and washability.

The invention discloses a preparation method of a non-polyurethane foam material. The preparation method specifically comprises the following steps: step 1, reacting and dissolving a dimercaptothiadiazole material; and 2, adding benzene diethylene into the mixture treated in the step 1, and carrying out polymerization foaming. The invention also discloses a non-polyurethane foam material. The non-polyurethane foam material solves the problem that the existing foam material is difficult to meet the requirements of high foaming rate, high pressure bearing capacity and low cost at the same time.