109 results about "Trimethylolethane" patented technology

An ink for ink jet recording and an ink jet recording method which realize an image quality of laser printer on a plain paper in a one-pass printing mode under conditions of a volume of an ink droplet ejected being 5 to 43 Pico liter, a velocity of an ink droplet being 6 to 20 m/sec, frequency of 1 kHz and resolution of 300 dpi or more. The ink for ink jet recording is a penetrating type ink which comprises (1) at least one humectant selected from glycerin, 1,3-butandiol, triethyleneglycol, 1,6-hexanediol, propyleneglycol, 1,5-pentanediol, diethyleneglycol, dipropyleneglycol, trimethylolpropane and trimethylolethane, (2) colorant contained in the amount of 6 % by weight or more, (3) a polyol having 8 to 11 carbon atoms and glycolether, and an anionic surfactants or non-ionic surfactants, the ink has viscosity of 5 mPa.s or more at 25° C. and a surface tension of 40 mN/m or less.

The invention relates to a cage-shaped organic silicon flame retardant charring agent, i.e. a 1,4-dimethyl-1-sila-2,6,7-trioxabicyclo[2,2,2]-octane compound, and a preparation method thereof. The compound has a structure shown as the following formula in the specification. The preparation method comprises the step of: reacting methyl trichlorosilane or methyltrimethoxysilane with trimethylolethane in an organic solvent to prepare 1,4-dimethyl-1-sila-2,6,7-trioxabicyclo[2,2,2]-octane. The cage-shaped organic silicon flame retardant charring agent is a novel halogen-free non-toxic flame retardant charring agent, which has high flame retardant performance and good charring performance, can effectively prevent the melting and the dropping of high polymer during combustion, and is stable in physical and chemical properties, good in compatibility with macromolecular materials, high in raw material availability, simple in process and easy for industrial production.

The invention discloses an alkali-free liquid setting accelerator containing cellulose and a preparation method of the alkali-free liquid setting accelerator. The alkali-free liquid setting accelerator comprises components in parts by mass as follows: 30-60 parts of aluminum sulfate, 5-10 parts of calcium formate, 5-10 parts of calcium fluoride, 0.8-1.6 parts of sulfosalicyclic acid, 1.0-3.5 parts of hydroxyethyl cellulose, 0.8-1.5 parts of polyacrylamide, 0.2-1.0 part of ethylenediamine tetraacetic acid, 1-3 parts of triisopropanolamine, 0.15-1.2 parts of polypropylene glycol, 0.10-1.12 parts of dimethyl silicone, 0.5-1.5 parts of phosphoric acid, 0.5-1.5 parts of hydrofluoric acid, 3-8 parts of magnesium sulfate, 1-3 parts of sodium fluoride, 1-4 parts of trimethylolethane, 2-6 parts of aluminum hydroxide and 30-60 parts of water.

The invention discloses a multifunctional liquid fertilizer capable of degrading pesticide residues and a preparation method thereof. The multifunctional liquid fertilizer is prepared from the following components in parts by weight: 5-10 parts of a nitrogen-containing component, 10-20 parts of a phosphorus-containing and potassium-containing component, 2-3 parts of a chelated medium and trace element component, 3-5 parts of amino acid, 8-10 parts of an organic matter, 10-15 parts of humic acid, 10-15 parts of a pesticide detoxifying enzyme, 0.5-2 parts of antifreezing protein, 0.5-1.5 parts of antibacterial peptides and 35-42 parts of water, wherein the pesticide detoxifying enzyme is prepared by mixing protease, cellulase, pectinase, catalase, amylase, glycerin, trimethylolethane, pentaerythritol, xylitol, sorbitol and water. The multifunctional liquid fertilizer can effectively degrade the pesticide residues and reduce the using amounts of pesticides, and can prevent plant diseasesand insect pests and maintain the balance of agroecological environment, so that the agricultural yield and the agricultural income are increased, the quality of agricultural products is improved andthe agricultural production environment is improved; the multifunctional liquid fertilizer has the advantages of comprehensive and balanced nutrition, high plant absorption and utilization rate, wideapplication range, simple preparation technology, economic benefit, high efficiency, environmental protection and the like.

The invention discloses an all-solid-state organic alloy electrolyte for a dye-sensitized solar battery and a preparation method thereof. The electrolyte comprises an organic alloy material prepared from more than two or three plastic crystals selected from succinonitrite, neopentyl glycol, trimethylolethane, pentaerythritol, camphor, imidazole and the derivative quaternary ammonium salt thereof and pyridine and the derivative quaternary ammonium salt thereof, iodine accounting for 1-5 percent of the amount of substance of the organic alloy, lithium iodide or potassium iodide or sodium iodide accounting for 1- 10 percent of the amount of substance of the organic alloy and one or more of methyl ethyl imidazole iodine, tert-butyl pyridine, LiTFSI and LiBF4 conducting salt, which account for 1- 10 percent of the amount of substance of the organic alloy. The prepared electrolyte has a high melting point (more than 80 DEG C) and equivalent electrical conductivity with a liquid electrolyte, and the dye-sensitized solar battery (DSSCs) prepared from the electrolyte has high photoelectric transformation efficiency and stability.

The invention discloses an anti-corrosion concrete material and a preparation method thereof. The anti-corrosion concrete material comprises components in parts by weight as follows: 150-180 parts of Portland cement, 40-60 parts of fly ash, 8-18 parts of mineral cotton, 120-180 parts of gravel, 80-160 parts of glass flakes, 80-120 parts of fine sand, 12-36 parts of calcium chloride, 12-25 parts of magnesium silicate, 1-8 parts of barium silicate, 1-8 parts of sodium benzoate, 8-16 parts of calcium silicate, 4-12 parts of aluminum dihydrogen phosphate, 6-16 parts of strontium oxide, 4-12 parts of brucite powder, 2-10 parts of zinc dust, 10-20 parts of zinc oxide, 2-10 parts of sodium metaaluminate, 2-10 parts of polyvinyl alcohol, 15-30 parts ofdihydrate gypsum, 1-4 parts of aluminum tripolyphosphate, 1-4 parts of potassium tripolyphosphate, 1-4 parts of monopotassium phosphate, 6-8 parts of bisphenol A epoxy acrylate, 1-3 parts of trimethylolethane, 2-10 parts of polyacrylamide, 1-3 parts of xylitol, 1-4 parts of triethyl phosphate, 1-4 parts of butyl methacrylate, 1-4 parts of acrylonitrile, 2-4 parts of triethoxyisobutylsilane, 6-10 parts of sodium allylsulfonate, 4-16 parts of calcium lignosulphonate, 1-6 parts of a water reducing agent and 60-100 parts of water.

The invention relates to a mixed-valence hexavanadate alkoxyl derivative and a preparation method thereof and belongs to the technical field of organic-inorganic hybrid materials. According to the structure of the alkoxyl derivative, three bridging oxygen atoms arranged to form a planar triangle on a Linqivist hexavanadate framework are substituted by three hydroxyl oxygens of a tri-hydroxymethyl compound molecule, three tri-hydroxymethyl compounds are adjacently distributed on the hexavanadate framework, and all vanadium is tetravalent vanadium or tetravalent and pentavalent vanadium distributed in a mixed mode. The tri-hydroxymethyl compounds are tri-hydroxymethyl aminomethane, pentaerythritol, trimethylolethane or trimethylolpropane. The tri-substituted hexavanadate alkoxyl derivative and a post-modification product thereof possibly have unique magnetism, catalytic activity and other properties. The properties make them have unique advantages on the aspect of the organic-inorganic hybrid materials rich in construction structure and property.

The invention relates to chromium-free photo-sensitive resist for rotary screen printing, which comprises the following components: polyvinyl alcohol (30%), gelatin, p-diazodiphenylamine paraformaldehyde condensate, polyisocyanate blocks, silicone modified polyurethane resins, trimethylolethane, 3-6 parts of stilbazole dimethyl sulfate salt, hydroquinone, curing agents, polyethyleneimine, ethylamine boron trifluoride salt, benzyl dimethylamine, aluminum chloride hexahydrate, solvents, aluminum chloride hexahydrate, silicone defoaming agents and vitamin E. The chromium-free photo-sensitive resist has the advantages of strong binding force of the high-precision photo-sensitive resist for a rotary printing screen and the rotary printing screen, excellent chemical resistance and abrasion resistance, and high press run; plate making and developing of the rotary printing screen are clear and mesh holes cannot be stopped; through adding the silicone modified polyurethane resin, the tensile property of the rotary printing screen in a printing process is improved, and the service life of the rotary printing screen is prolonged.

The invention relates to the field of high polymer materials, and concretely relates to a tear-resistant environment-friendly PBSeT copolyester material and a preparation method thereof. The material is prepared from, by mole, 5 parts of sebacic acid, 10 parts of 1, 4-butanediol, 5 parts of terephthalic acid, 0-0.1 part (0 exclusive) of trimethylolethane and 0-0.06 part (0 exclusive) of tetrabutyl titanate. The preparation method comprises the following steps: blending sebacic acid, 1, 4-butanediol, terephthalic acid and trimethylolethane according to a molar ratio under the condition of not adding a catalyst, and then starting first-stage esterification; and starting second-stage esterification, raising the temperature to a certain temperature, adding a catalyst tetrabutyl titanate for esterification, starting a polycondensation stage when the mass of generated water is equivalent to that of theoretical water, adding the catalyst tetrabutyl titanate, raising the temperature to a certain temperature and then performing polycondensation, and finishing polycondensation when torque on equipment is not changed. The synthesis method provided by the invention greatly improves the tearing property of the environment-friendly PBSeT copolyester material.

The invention discloses a high-performance glass fiber impregnating agent. The high-performance glass fiber impregnating agent is prepared from, by weight, 30-40 parts of epoxy dicyclopentadiene epoxy resin, 20-30 parts of cyclopentanediol, 10-20 parts of trimethylolethane, 5-10 parts of polyvinyl acetate, 5-8 parts of castor oil, 3-5 parts of a coupling agent, 0.5-2 parts of a lubricant, 0.5-1 part of an antiseptic, 0.5-1 part of a pH regulator, 0-0.5 parts of an antistatic agent, 0.5-1 part of a compatilizer, and a proper amount of water. Epoxy dicyclopentadiene epoxy resin, cyclopentanediol, trimethylolethane and polyvinyl acetate are adopted as a film forming agent, so the impregnating agent has excellent high temperature resistance and excellent electric performances, can tolerate the temperature reaching 300 DEG C or above, has high stiffness, high toughness, high tensile strength, high bending strength, high adhesion stress, good film forming property and good protection property, is in favor of realizing protection and bundling of glass fibers in the high speed injecting and rolling process, increases the production efficiency, improves the mechanical performances of the glass fibers, and makes the glass fibers have good cutting property, dispersibility, lubricity, antistatic property, weaving property and fluidity.

The invention discloses a high-performance glass fiber wetting agent and a preparation method thereof. The high-performance glass fiber wetting agent is prepared from the following raw materials in parts by weight: 45-55 parts of epoxy resin, 30-40 parts of polyoxyethylene glycol, 5-10 parts of trimethylolethane, 10-20 parts of an acrylate emulsion, 5-7 parts of potato starch, 5-7 parts of corn starch, 4-6 parts of cotmar, 0.1-1.2 parts of a softening agent, 7-9 parts of grease paraffin, 3-5 parts of a coupling agent, 0.5-1 part of a lubricating agent, 0.5-1 part of a preservative, 0.1-0.5 part of an organic tin bactericide, 0.3-0.5 part of a de-foaming agent and 60-80 parts of water. According to the invention, the physical and chemical properties of an electronic spinning yarn of glass fiber are comprehensively improved, the stiffness is within 50-80, the tensile strength reaches up to 52CN/TEX or above and the problems of yarn break and fluffing in the spinning process can be effectively solved.

The invention discloses a method for preparing a graphene composite solid-solid phase change material, which comprises the following steps: (1) preparing graphene powder with the sheet diameter of 5-10 [mu]m; (2) heating a mixture of two or more of pentaerythritol (PE), trimethylolethane (PG), neopentyl glycol (NPG), 2-amino-2-methyl-1,3-propylene glycol (AMP) and trimethylol aminomethane (TAM) toa molten state, then adding graphene powder with the weight percentage of 0.1%-10%, and conducting mixing and uniform stirring to prepare graphite polyol composite slurry; and (3) extruding the graphite polyol composite slurry in the molten state to form the graphene composite solid-solid phase change material plate with the thickness of 2-10mm.

A preparation method for improving the enzyme activity of a pichia pastoris fermentation lipase and the yield of a methanol protein comprises the steps of: culture of primary seeds, culture of secondary seeds, high-density fermentation, induction for enzyme production, enzyme extraction, spray drying of enzymatic liquid and obtaining of the single-cell methanol protein; in the stage of induction for enzyme production, the seeds in the high-density fermentation stage are cultured until the dissolved oxygen rebounds, the seeds are continuously and hungrily cultured for 2-3 h; the seeds enter themethanol-polyol induction stage, the polyol is one of pentaerythritol, glycerin, trimethylolethane, xylitol and sorbitol; the polyol MPC is added to methanol in a volume ratio of 0.5-2:1, and the substances are fed together; the stirring speed is constant, methanol-polyol containing 12 mL/L of PTM1 is fed at a constant speed and is used for feeding induction; the concentration of methanol-polyolis increased in a gradient manner, from 1 mL/L/h-6 mL/L/h, and the concentration is increased by 1 mL/L/h per hour; the dissolved oxygen is controlled to be 10%-20%. With the preparation method provided by the invention, the enzyme activity of the pichia pastoris fermentation lipase can be improved and meanwhile the yield of the methanol protein is increased.

The invention discloses drying equipment for trimethylolethane. The drying equipment comprises a base plate, supporting plates are welded to the top of the base plate, electric heating bars are fixedly mounted on the top of the base plate, a transverse plate is welded between the two supporting plates, a swinging rod is hinged to the bottom of the transverse plate, and a cover plate is welded to the bottom of the swinging rod; the bottom of the cover plate is fixedly connected with a drying pot, the bottom of the drying pot is provided with a discharging pipe, and a reciprocating block is slidably mounted on the transverse plate; and guiding rods are welded to the top and the bottom of the transverse plate correspondingly, vertically-arranged reciprocating rods are slidably mounted on theguiding rods, a rotating disc is rotatably mounted on the transverse plate, a connecting rod is welded to the rotating disc, a cylindrical block is welded to the connecting rod, the reciprocating rodsare provided with track holes, and cylindrical block is slidably connected with the track holes. According to the drying equipment for the trimethylolethane, drying of the trimethylolethane is achieved, an overturning mechanism is additionally arranged, uniform heating of the trimethylolethane is ensured, the drying effect is good, the efficiency is high, using is convenient, and popularization is easy.

The invention discloses a compound multifunctional asphalt pavement sealant and a preparation process thereof. The main components of the sealant include: 100 parts of mixed modifier-modified asphaltwith 35 percent of 40-mesh rubber powder, 45 percent of 60-mesh rubber powder and 20 percent of 80-mesh rubber powder; 15 to 30 parts of functional component agent A; 10 to 35 parts of functional component agent B; and 5 to 25 parts of functional component agent C. The main components of the functional component agent A are coumarone-indene resin, trimethylolpropane, fine talcum powder, p-aminobenzoic acid and the like. The main components of the functional component agent B are diphenylmethane diisocyanate, butyl epoxy stearate, bisphenol-A epoxy compatibilizer, trimethylolethane and the like. The main components of the functional component agent C are microcapsules, vinyl glass flake mortar, polyvinyl alcohol-modified high-sodium bentonite particles and the like. According to the invention, after the functional component agents A, B and C are prepared, proportion is designed to carry out compounding, and the compounded sealant not only can fill cracks, but also can seal the cracks. The invention is applicable to different types of cracks, and according to causes of crack formation, different amounts of functional component agents A, B and C can be added. The sealant compounded bythe invention has high bonding strength, good sealing property and waterproofness and excellent high-temperature stability and low-temperature bonding property, having high application and popularization values.

The invention relates to a chromophilous copolyester fiber protective agent of a cationic dye and a preparation method of the chromophilous copolyester fiber protective agent. The protective agent is prepared from calcium carbonate filled high-density polyethylene composites, trimethylolethane, trihytdroxy methyl-aminomethane, tetramethylolmethane, ethanol, sulfolane and water. The invention also relates to a shaping method using the chromophilous copolyester fiber protective agent of the cationic dye. The chromophilous copolyester fiber protective agent of the cationic dye is similar to a heat insulating layer of a fiber, so that the phenomenon that chromophilous copolyester fiber of the cationic dye is heated to result in plastifying is avoided, fiber fabrics are effectively protected, and the change of hand feeling after heat shaping is prevented.

The refrigerator lubricating oil of the present invention contains: a base oil containing, as a major component, a polyol ester (A) of a fatty acid (a1) that is a fatty acid having a number of carbon atoms of from 3 to 18 and a polyol (a2) that is selected from neopentyl glycol, trimethylolethane, trimethylolpropane, trimethylolbutane, pentaerythritol, and dipentaerythritol; and a disulfide and/or trisulfide compound (B), and the disulfide and/or trisulfide compound (B) is blended in an amount of from 30 to 10,000 ppm by mass in terms of sulfur equivalent based on the total amount of the refrigerator lubricating oil.

The invention relates to a method for preparing trimethylolethane through a continuous condensation hydrogenation method. According to the method, a condensation reaction still for achieving a continuous hydroxy aldehyde addition reaction of an impinging stream reactor, a gas-liquid-solid three-phase drip bed hydrogenation reactor and a bubbling type fluidized bed hydrogenation reactor are involved, and the two hydrogenation reactors are operated in series and contain a novel nickel hydrogenation catalyst and a main ingredient copper-chrome-aluminum-zinc catalyst respectively. It is guaranteed that formaldehyde and propionaldehyde stably generate a 2,2-dihydroxy methyl propyl aldehyde intermediate under organic weak alkali through the continuous impact steam aldol condensation reactor, generated byproducts are reduced, two hydrogenation reactions of different structures have the advantages of being high in conversion rate, simple in process, high in product purity, good in high temperature stability and the like, and the final yield of trimethylolethane can reach 95% or above.

The invention provides a polyester polyurethane high-gloss white stoving varnish and a coating process thereof, and belongs to the field of coatings. The stoving varnish is composed of the following raw materials in percentages by mass: 35.0-45.0 wt% of polyester polyurethane resin, 1.5-3.5 wt% of a neutralizing agent, 0.5-3.0 wt% of a dispersant, 10.0-20.0 wt% of titanium dioxide, 0.2-1.0 wt% ofan anti-settling agent, 0.1-0.5 wt% of an antifoaming agent, 0.2-1.5 wt% of a bactericide, and 30.0-50.0 wt% of deionized water; and the polyester polyurethane resin is prepared from the following rawmaterials in terms of mass percentage of the polyester urethane resin: 16.0-26.0 wt% of trimethylolethane, 4.0-6.0 wt% of pentaerythritol, 10.0-15.0 wt% of 2,2-dimethyl-1,3-propanediol, 6.0-10.0 wt%of isophthalic acid, 8.0-12.0 wt% of adipic acid, 12.0-17.0 wt% of propylene glycol diacetate, 7.0-11.0 wt% of dimethylolpropionic acid, and 18.0-22.0 wt% of a partially-blocked isocyanate curing agent. The polyester polyurethane high-gloss white stoving varnish provided by the invention performs end capping on an isocyanate curing agent, avoids the problem of an activation period and improves storage stability.