109results about How to "Excellent thermal decomposition" patented technology

This invention offers a kind of bionass to mix and vaporize craft method and device, gasification stage before include its gasification course and after gasification stage, in before gasification stage, the biomass supplies adopt the circulation fluidized bed gasification craft to carry on hotly and vent one's spleen to melt, in after gasification stage, biomass adopt supplies down carry on the gasification crafts hot to it is take to vent one's spleen inhaling type. Gasification stage lay the inhaling type gasification device after gasification stage produce can gas enter before being, with add biomass supplies among them is it take gasification stage produce can gas enter before being, iwht add bionass supllies among them is it take gasification react altogether to go on together. Air that invention design this turn device into by circulation fluidized bed gasification stove with lay gasification complex type gasification stove gasification stove that stove made up of inhaliing etc.

It is an object of the present invention to provide a modified polyvinyl acetal resin, which is superior in flexibility, an adhesive property to a resin substrate under high humidities, heat resistance, a thermal decomposition property, humidity resistance and toughness and has low oxygen permeability and an adequate adhesive property and is low in viscosity and high in secular stability of viscosity in forming a solution thereof, and an adhesive composition, an ink, a coating material composition, a thermal developing photosensitive material, a slurry composition for a ceramic green sheet, and a ceramic green sheet, which use the modified polyvinyl acetal resin. <??>The present invention is a modified polyvinyl acetal resin, which is obtainable by acetalizing a modified polyvinyl alcohol having ethylene in a random basis as a constituent unit of a main chain and an ethylene content of 1 to 20 mole % and a saponification degree of 80 mole % or more and, has ethylene in a random basis as a constituent unit of a main chain.

The invention discloses a reinforced extraction method for lavender essential oil, which relates to an extraction method for essential oil. According to the method, ultrasound-reinforced salting steam is adopted for distilling and extracting the lavender essential oil. Lavender raw material of 20-100 meshes is dipped by 0.1-4% of inorganic salt solution and is put into an extraction device; after the lavender raw material is subjected to ultrasound reinforcement for 0.2-1.5 hours, the steam is distilled; and oil and water mixture cooled to the room temperature is separated to obtain the essential oil. The lavender essential oil extraction rate of the method is more than two times that of the traditional steam distillation method, and the required distillation time can be obviously lowered. The essential oil extracted from lavandula or lavender stems and leaves with the reinforced extraction method disclosed by the invention can be used for the fields, such as cosmetics, food additives, sterilization and corrosion prevention.

A negative planographic printing plate precursor for heat-mode exposure systems, which has, on a support, a photosensitive layer containing: (A) a light-to-heat conversion agent; (B) a polymerizable unsaturated group-having compound; and (C) an onium salt having a counter anion with a valency of at least 2. The precursor is capable of being exposed with an IR laser for image formation thereon. The onium salt may be, for example, a diazonium salt, iodonium salt or sulfonium salt. The counter anion has at least two anionic sites which may be the same or different, and the anionic structure is preferably divalent to hexavalent.

The invention discloses a polymerizing production method for transparent amorphous copolyester. The method has the advantages of low esterification temperature, short esterification time and high esterification rate. The method comprises the following steps of: carrying out an esterification reaction and a condensation reaction on dihydric alcohol and dicarboxylic acid to obtain the transparent amorphous copolyester, wherein the esterification reaction comprises the following specific procedures of: breaking various materials into pulp by using a pulping machine and carrying out the esterification reaction on the pulp at the temperature of 220-240DEG C for 1.0-1.5 hours to obtain an esterified product; the condensation reaction comprises the following specific procedures of: polymerizing the esterified product obtained by the esterification reaction at the reaction pressure of 0.2-0.5MPa and the temperature of 250-260DEG C for 1.5-2 hours; then reducing the pressure to be less than 200MPa within 0.5 hour; raising the condensation reaction temperature to be 275DEG C from 260DEG C; adding a thermal stabilizer; and after the condensation reaction, obtaining a polyester copolymer with the inherent viscosity of greater than 0.75dL / g and the carboxyl content of less than 10mol / t.

The invention provides automatic ignition powder for a gas generator of an air bag restraint system of an automobile and a preparation method of the automatic ignition powder.The automatic ignition powder contains fuel, oxidant and flame accelerator; the flame accelerator is rare earth and perovskite type composite metal oxide; the general formula of the flame accelerator is La1-xAxMnO3, wherein A is Ce and / or Cu, and x is greater than zero and less than one.According to the automatic ignition powder, the specific flame accelerator is adopted and can effectively promote a redox reaction in the powder, thereby thermal decomposition of the automatic ignition powder is promoted, the decomposition temperature of the powder is lowered, and automatic ignition performance of the powder is improved.

It is an object of the present invention to provide a compound having a (meth)acryloyl group that is suitably used in various applications, a process for producing such compound simply and under mild conditions, and an useful photo-curable composition and aqueous photo-curable composition comprising such compound. The present invention is related to a process for producing a compound having a (meth)acryloyl group which comprises reacting a compound having both a (meth) acryloyl group and a vinyl ether group with a compound having at least two functional groups capable of an addition reaction with said vinyl ether group, and to a compound having a (meth)acryloyl group which is obtained by an addition reaction of a functional group of a compound (A) having at least two functional groups and the vinyl ether group of a compound (B) having both a (meth)acryloyl group and a vinyl ether group, said functional groups of said compound (A) being selected from the group consisting of a hydroxyl group, a carboxyl group and a thiol group.

The invention discloses a novel hair-imitating anti-freezing pipeline suitable for a low-temperature environment, and belongs to the field of pipeline equipment. The pipeline is characterized in thatmultiple heat release pores accommodating heat release balloons can be preset on the outer surface of the pipeline by imitating hairs on an animal body; meanwhile, a suspended cold contracting movingball is innovatively arranged, and the cold contracting moving ball actively moves under the action of magnetic attraction by means of the characteristic of contracting during cold; and water squeezedout during contraction is frozen along a double-state hair needle to form an ice needle, so that the heat release balloons are punctured to trigger an oxidation reaction to release a large amount ofheat. According to the pipeline, the released heat is used for heating and protecting the pipeline, so that the damage of external low temperature to the pipeline is prevented; after the temperature rises, the cold contracting moving ball can rise again to return to an original position and repeat the action so that the external temperature can be automatically sensed, and then the pipeline heating action can be triggered; and the pipeline is effectively subjected to heat preservation by imitating the animal hairs, so that the anti-freezing performance of the pipeline to the external low temperature is remarkably improved.

The invention discloses a liquid coal combustion improver which is prepared from the following raw materials in proportion: carboxymethyl ferrocene, methylcyclopentadienyl manganese tricarbonyl, acerdol, cerous nitrate, aluminum nitrate, magnesium nitrate, tween and absolute ethyl alcohol. In the liquid combustion improver, the carboxymethyl ferrocene and the methylcyclopentadienyl manganese tricarbonyl are taken as combustion-supporting synergist, the acerdol, the cerous nitrate and the magnesium nitrate are taken as oxidant, the aluminum nitrate is taken as adsorbent, the tween is taken as penetration dispersant, and the absolute ethyl alcohol is taken as complex solubilizer. When the combustion improver is added into coal, chemical substances with macromolecular structures in raw coal can be destroyed; when the liquid coal combustion improver is reacted with coal powder under the action of a high temperature, bonds among connecting structure units of the coal powder can be ruptured, so that the reaction activity of the coal powder can be enhanced, the thermolysis process of the coal powder can be promoted, active oxygen and oxygen gas can be released, the function of catalysis and combustion support can be achieved, pyrolysis products can increase, and the combustion performance can be better; and by virtue of catalytic cracking on the coal, the coal powder can be quickly and completely combusted, so that the aims of increasing coal powder quantity and decreasing coke ratio can be achieved.

The invention discloses metal-based composite medium foil plate to cover cupper. Cover composite material layer on metal plate and cupper foil on material layer; the composite material layer can be glass cloth with coating of politef, mixture of politef and ceramic or rutile, or mixture of politef, ceramic and rutile; it satisfies the require of high-performance metal composite material with high frequency and microwave to the development of electric communication.

The hydrous ethylene-vinyl acetate copolymer hydrolyzate (EVOH) pellets of the present invention are characterized in that they are hydrous pellets of an ethylene-vinyl acetate copolymer hydrolyzate (EVOH) (A) having an ethylene content of 5 to 60 mole percent and a degree of saponification of not less than 90 mole percent and have a water content of 5 to 60% by weight and a storage elastic modulus at 20° C. of 2x106 to 5x107 Pa.These hydrous pellets preferably contain a small amount of an alcohol (B) containing 1 to 5 carbon atoms and / or a small amount of at least one compound (C) selected from the group consisting of a boron compound (c1), acetic acid (c2), an alkaline metal acetate (c3), an alkaline earth metal acetate (c4) and a phosphoric acid compound (c5).

The invention discloses a metal-based composite medium copper-clad foil plate. A composite material layer is covered on a metal plate of the metal-based composite medium copper-clad foil plate, and a copper foil is covered on the composite material layer, wherein the composite material layer can be glass cloth with a polyfluortetraethylene coating, a mixture of polyfluortetraethylene and ceramics or rutile, or a mixture of polyfluortetraethylene, ceramics and rutile. The metal-based composite medium copper-clad foil plate meets the requirement of the development of electronic communication on high-frequency and microwave high-performance metal-based composite materials.

The present invention provides a method of stabilizing a nitrate-based explosive through the use of a NOx scavenger. The present invention further provides a blasting agent including ammonium nitrate and a NOx scavenger. The present invention further provides for a method of blasting adapted for use in reactive and / or elevated temperature ground.

The invention provides a photosensitive resin composition which can form a highly precise pattern, has excellent thermal degradability of an organic component, and shows less shrinking after firing. The composition comprises an alkali-soluble resin (A) having at least one SH group, a polyfunctional (meth)acrylate (B), a photopolymerization initiator (C) and an inorganic particle (D). The invention also discloses a method for forming a pattern by using the composition.

The invention belongs to the technical field of natural gas hydrate exploitation and relates to a method of exploiting natural gas hydrates through cooperation of liquid-state CO2 magnetofluid displacement and microwave heating. The method comprises the following steps of selecting an appropriate natural gas hydrate reservoir and establishing a wellbore for natural gas hydrate exploitation; ascending a microwave generator to the downhole from the wellbore; filling liquid-state CO2 magnetofluid into the natural gas hydrate reservoir; starting the microwave generator to generate microwaves to heat the natural gas hydrate reservoir to enable liquid-state CO2 and the natural gas hydrates to have a displacement reaction to decompose the natural gas hydrates; outputting natural gas and other fluid through a recovery device and conducting separation to obtain natural gas. According to the method, metal nanoparticles are dispersed into the natural gas hydrate reservoir by filling the liquid-state CO2 magnetofluid, the microwave heating efficiency is enhanced, and the displacement reaction between CO2 and CH4 hydrates is utilized to some extent; and through combined action of heating and CO2 displacement reaction, decomposition and exploitation of the natural gas hydrates are promoted.

A low-oil-consumption ignition swirling pulverized coal burning device relates to a pulverized coal burning device. The invention aims to solve the problems of large oil consumption, energy waste, and high pollutant discharge of a coal-fired boiler existing in the burning device in the coal-fired boiler of power plants. An inlet end of an inner wall swirling wind cover (3-1) in the invention is connected with an outlet end of an external pipe (2-7), a passage exit in a duct (3-8) is respectively connected with the inner wall swirling wind cover (3-1), a swirling outer secondary wind cover (3-4) and a direct secondary wind cover (3-9), and the passage exist in the duct (3-8) is respectively provided with an air volume regulation plate (3-7). The invention has the advantage of reasonable structure, design and arrangement. The invention burns pulverized coal by using a small amount of oil, oil and gas, natural gas or coal gas, which can save ignition energy, and reduces the discharge of pollutant. The device of the invention has higher safety and reliability properties, which can save 40%-90% fuel oil compared with the prior art.

The invention relates to a photosensitive resin composition containing inorganic particles, a photosensitive film, and a method for forming an inorganic pattern. A photosensitive compound is provided which is capable of forming a high precision pattern, has an organic component with good heat resolvability, is shrinked after bing baked, and contains inorganic particles. The photosensitive resin composition containing inorganic particles in the invention, is characterised by containing inorganic particles, alkali-soluble resin, at least two (methyl) acryl in a molecule, photo curative and photopolymerization initiator having at least a bond selected from acetal bond, hemiacetal ester bond and monosulfur acetal bond.

The invention discloses a Cu / SAPO-34@meso-TiO2 catalytic material with a core-shell structure, and a preparation method and an application thereof. The catalytic material is formed by coating the surface of a Cu / SAPO-34 molecular sieve with a meso-TiO2 shell, the meso-TiO2 shell is composed of TiO2, WO3 and SiO2, TiO2 accounts for 0.5-2% of the total mass of the catalytic material, WO3 accounts for 3-10% of the total mass of the meso-TiO2 shell, and SiO2 accounts for 3-6% of the total mass of the meso-TiO2 shell. The preparation method comprises the following steps: preparing the Cu / SAPO-34 molecular sieve, and coating the Cu / SAPO-34 molecular sieve with the meso-TiO2 shell to obtain the catalytic material. The catalytic material is applied to an NH3-SCR denitration reaction, and has a good denitration performance and a good sulfur resistance.

The invention discloses foamed silicone rubber and a preparation method thereof, and belongs to the technical field of silicone rubber materials. Vinyl silicone rubber containing different amounts ofethylene is taken as a base rubber, the introduction of a small amount of ethylene is beneficial to improving vulcanization activity, increasing the selection range of organic peroxide vulcanizing agents, improving the heat aging resistance, mechanical strength and compression permanent deformation performance of vulcanized rubber; and meanwhile, the foamed silicone rubber is prepared by adoptinga method combining freezing and two-stage vulcanization reaction, and the two-stage vulcanization reaction is beneficial to avoiding the occurrence of over-sulfur, thus improving the mechanical properties and compression permanent deformation properties of a foamed silicone rubber product. Combined with the freezing process, the foaming uniformity and mechanical properties of the prepared productare improved, and the tensile strength of the prepared foamed silicone rubber reaches 0.87 Mpa.

A car wire propenyl plastic compatilizer and a preparation method thereof are provided, the car wire propenyl plastic compatilizer is prepared by blending raw materials in weight ratio in the formulation, and granulating with an extruder, the car wire propenyl plastic compatilizer is characterized by comprising the following raw material formulation by weight: 40 to 55 parts of a propenyl elastomer, 40 to 50 parts of polypropylene, 10 to 20 parts of metallocene polyethylene, 5-10 parts of KN resin, 0.3-1 part of a graft monomer, 0. 05 to 0.1 part of an initiator, 0.05 to 0.1 part of an antioxidant and 0.1 to 0.5 part of a dispersing agent. The raw materials in the raw material formulation are dosed in accordance with respective weight fractions, then sent into a high-speed mixer for blending for 20 to 60 minutes to obtain a first mixture, and the mixture is fed into a twin-screw extruder for extrusion granulation, the extrusion temperature is 170-220 DEG C, and the screw rotation speed is 250-360 rpm. After the addition of the car wire propenyl plastic compatilizer into a car wire, and under the premise of ensuring that various performance parameters of the car wire can meet ISO6722 standards, excellent compatibility, heat aging resistance, scratch resistance and processability performance can be achieved.

The invention discloses an adhesive as well as a preparation method and application thereof. The adhesive is prepared from, by weight, 3-10 parts of low-molecular-weight wax components, 20-50 parts of1 # polyacrylic resin, 0-30 parts of 2 # polyacrylic resin, 5-15 parts of high-temperature decomposition resin, 0.5-2 parts of plasticizer and 0.1-3 parts of dispersing agent. The preparation methodof the binder comprises the following steps of: (1) weighing the components; (2) performing stirring at high temperature; and (3) performing crushing and granulating. The binder is used for preparingaluminum oxide or zirconium oxide thermal degreased injection-molded ceramic. An injected ceramic green body applying the binder can be directly subjected to whole-course thermal degreasing, is smoothin feeding surface, is high in strength, is good in flowability and easy to automatically produce; the prepared injection-molded ceramic product has few pores, high density, high hardness and strength and excellent comprehensive performance.

The invention discloses a sewage treating agent. The sewage treating agent is prepared from components in parts by weight as follows: 5-25 parts of polymeric aluminum chloride, 3-15 parts of bentonite, 5-12 parts of sodium polyacrylate, 0.3-2.3 parts of lignosulfonate, 0.5-2 parts of sodium sulfate and 10-30 parts of activated carbon. The bentonite is organic-inorganic modified bentonite, the lignosulfonate is an amphiprotic chelating agent based on lignosulfonate, the amphiprotic chelating agent is calcium lignosulphonate phosphonate quaternary ammonium salt modified product, and the activated carbon is nano copper and copper 8-hydroxyquinoline modified activated carbon. The sewage treating agent has the benefits that the sewage treating agent is low in treatment cost and has no toxicityor pollution, all components can have a synergistic effect, nitrogen, phosphorus, organic pollutants and heavy metal ions in sewage can be effectively removed, and the treated sewage can reach the discharge standard specified by the environmental protection agency. No pollutants are produced during preparation, no side effects are exerted on operators, the production cost is low, and industrial production is facilitated.

The present invention provides a terminally modified acrylic polymer having excellent thermal decomposition properties at low temperatures, an inorganic fine particle dispersed paste composition obtained by using the terminally modified acrylic polymer and a method of producing of the terminally modified acrylic polymer.The present invention pertains to a terminally modified acrylic polymer, which comprises a main chain composed of a repeating unit represented by the following formula (1), and a group represented by the following formula (2) at both ends or one end of the main chain,wherein R1 represents hydrogen atom, an organic group having 1 or more carbon atoms or a derivative of an organic group having 1 or more carbon atoms; R2 represents an organic group having 1 or more carbon atoms or a derivative of an organic group having 1 or more carbon atoms; R3 and R4 each represents hydrogen atom, an organic group having 1 or more carbon atoms or a derivative of an organic group having 1 or more carbon atoms; and n represents a positive integer.

The invention discloses an ultra-high molecular weight polyethylene lining pipe. Raw materials including ultra-high molecular weight polyethylene, polypropylene, dicumyl peroxide, allyl siloxane and fillers are proportioned according to formula requirements, the raw materials are crushed and mixed by a mixing type particle crusher, then the grain size of powder materials is determined through a vibrating screen, and finally the proportioned raw materials are extruded to form the lining pipe through a plastic material extruding machine. By adding the dicumyl peroxide, the polypropylene and the allyl siloxane, the raw materials can be better decomposed under heating during injection molding, the flowability of plastic injection can be improved and the impact strength can be improved; by adding needle-shaped siliceous lime, the thermal deformation temperature can be improved; thereby through the combination of the raw materials, the effects of corrosion resistance, wear resistance and high temperature resistance are realized.