771 results about "Pentaerithrityl" patented technology

The invention discloses alkyd resin for wood lacquer and a preparation method thereof. According to the raw material formula, the alkyd resin for the wood lacquer comprises the following components in percentage by mass: 18.3 to 28.3 percent of soybean oleic acid, 10.2 to 20.2 percent of glycerin, 3.8 to 7.8 percent of pentaerythritol, 17.6 to 21.6 percent of recycled terephthalic acid, 0.05 to 0.2 percent of color substration agent, 0.05 to 0.2 percent of antioxidant, 2.5 to 5.5 percent of phthalic anhydride, 3.2 to 7.2 percent of benzoic acid, 2 to 5 percent of dimethylbenzene, 18 to 30 percent of thinning agent and 0.05 to 0.2 percent of wetting dispersant. Terephthalic acid is adopted, and the unique chemical performance of the terephthalic acid endows the resin with high dryness and weather resistance; waste and inferior terephthalic acid produced by a petrochemical enterprise is utilized, so that the production cost of the resin is lower than that of alkyd resin produced by the conventional method; simultaneously, waste of the petrochemical enterprise is reduced, the environment is prevented from being polluted, and wastes are utilized to save energy and reduce emission.

The invention discloses a method preparing for an ultra-thin inflatable steel structure fire-proof paint, which is characterized by the following: the allocation of tetrabromo-bisphenol A epoxide resin contains epichlorohydrin and tetrabromo-bisphenol A with weight rate at 1. 3-1. 5:1 and epichlorohydrin and sodium hydroxide with weight rate at 1. 0-1. 05:1; the allocation of fireproof painting is tetrabromo-bisphenol A epoxide resin and hyperchlorinated polyvinyl chloride with weight rate at 3: 1, polyphosphate, melamine, pentaerythritol with weight rate at 3:2:1, antimony trioxide and paraffin chloride with weight rate at 3:7, aluminium hydroxide and zinc borate smoke suppressor with weight rate at 10: 3. The method comprises the following steps: adding epichlorohydrin and tetrabromo-bisphenol A to the autoclave; mixing and heating at 90 Deg. C; adding caustic soda solution; keeping 7. 5 hours; washing and removing thylbenzene by heating;getting tetrabromo-bisphenol A epoxide resin; adding the mixed solvent to tetrabromo-bisphenol A epoxide resin and perchlorinated polyethylene; mixing and dissolving; adding ammonium polyphosphate, melamine, pentaerythrite, titanium dioxide, antimony oxide, aluminum hydroxide, zinc borate separately, adding chlorcosane; grinding after high-speed dispersing uniformly; mixing polyamide uniformly according to 10:1; getting the fire-proof paint.

The invention discloses an acrylic acid ester modified epoxy soybean oil, its preparation method and an application thereof. According to the preparation method of the acrylic acid ester modified epoxy soybean oil, acrylate monomer bearing a hydroxyl group reacts with acid anhydride to obtain a half-ester intermediate, and the half-ester intermediate reacts with epoxy soybean oil to obtain the acrylic acid ester modified epoxy soybean oil. The acrylate monomer bearing a hydroxyl group is hydroxyethyl acrylate, hydroxyethyl methacrylate, pentaerythritol triarylate, hydroxypropyl acrylate, hydroxypropyl methacrylate, trimethylol propane diacrylate or trimethylol propane dimethacrylate. Acid anhydride is o phthalic anhydride, succinic anhydride, methyl hexahydrophthalicanhydride, hexahydrophthalic anhydride or tetrahydrophthalic anhydride. The acrylic acid ester modified epoxy soybean oil has a novel structure. When applied in paper printing ink, the acrylic acid ester modified epoxy soybean oil can improve adhesive force of a cured film and also can improve wetability of pigments and remarkably minimize occurrence of misting. The preparation method helps widen the application range of the modified epoxy soybean oil.

The invention relates to a halogen-free intumescent compound flame retardant which is prepared by mixing the following components in weight percentage at high speed by means of a high mixing machine: 55-65 wt% of acid source, 18-28% of carbon source, 2-12% of gas source and 5-15% of synergist; the acid source is one or a mixture of ammonium polyphosphate, melamine phosphate and melamine polyphosphate; the carbon source is one or a mixture of dipentaerythritol, pentaerythritol phosphate and triazine char-forming agent; the gas source is melamine or melamine cyanurate or a mixture thereof; and the synergist is one or a mixture of hypophosphite, pyrophosphate, phosphate, silicon dioxide and lanthanum oxide. The halogen-free intumescent compound flame retardant is high in flame retardant efficient, low in cost, good in compatibility with matrixes and simple in preparation process; when the halogen-free intumescent compound flame retardant is applied to LDPE (Low-density Polyethylene), the obtained LDPE material has excellent flame retardant performance and is capable of maintaining mechanical property and effectively controlling molten drops.

The invention discloses a 3D printing-based photo-curing material and a preparation method thereof. The 3D printing-based photo-curing material comprises the following components in parts by weight: 50-55 parts of aqueous polyurethane acrylic resin, 20-30 parts of hydrogenated bisphenol A epoxy resin, 10-15 parts of alkoxylated pentaerythritol hexaacrylate, 10-15 parts of three-ring decane dimethyl carbinol dimethacrylate, 8-10 parts of hydroxyl ethyl methacrylate, 8-10 parts of vinyl ether, 3-5 parts of 1-hydroxy cyclohexyl phenyl ketone, 3-5 parts of 4,4'-bis(p-toly) iodonium hexafluorophosphate and 0.5-1 part of an 1080 antioxidant. The method comprises the following preparation steps: primary polymerization of a free radical-cation hybrid system, anti-shrinkage treatment, anti-yellowing treatment and post-treatment. The obtained material has the characteristics of excellent performance, low cost, good consistency and the like; and the used preparation method has the characteristics of being environment-friendly, short in production cycle and good in batch stability.

The invention discloses a high gloss high abrasion resistance ultra-violet (UV) curing overprinting varnish of mobile phone and a preparation method thereof. The method of the invention uses low-viscosity polyester acrylate and aliphatic polyurethane acrylate as base resin which combines with ethoxylated pentaerythritol tetraacrylate, Trimethylolpropane triacrylate, Tri(propylene glycol) diacrylate, 1,6-hexanediol diacrylate and 2-ethylhexyl acrylate which are used as active diluent, alcohol and ethyl acetate which are used as diluent, benzophenone and 1-hydroxycyclohexyl phenyl ketone which are used as photoinitiator, reactive amine coinitiator, defoaming agent, flatting agent, slip agent and other agents to mix evenly and prepare the UV overprinting varnish. The overprinting varnish of the invention adopts the special raw material formula and has good lustrousness, adhesive force and mechanical stability; as some polyfunctional resins and resins with special functional groups are added, the crosslink density of the UV varnish is increased in the curing process and the hardness of the product is up to 5-7H; and as solid wax powder used as the slip agent is added, the coefficients of friction can be reduced and the product can have extremely high wear resistance.

The invention relates to a device for treating wastewater during production of pentaerythritol. The device comprises a grille groove, a mechanical grille, an oil isolating pool, an adjusting pool, a combined air floater, an aerated micro-electrolysis system, a high-efficiency anaerobic reactor, an improved SBR reaction tank, a water-collecting pool, an anaerobic biological filter, a monitoring pool, a recycling water pool, an acid adding system, an alkali adding system, a polyaluminum chloride (PAC) dosing system, a polyacrylamide (PAM) dosing system, a sludge pool, a sludge pressing filter system, a blast blower and on-lien monitoring instruments such as PH, COD, a liquidometer, a thermometer and the like, wherein the aerated micro-electrolysis system comprises an acid adjusting pool, a micro-electrolysis reaction tank, a neutral coagulation reaction tank, a settling pool and an intermediate water pool; and all the systems are connected with one another sequentially through pipelines. The device treats the wastewater during production of the pentaerythritol by a combined air floatation, aerated micro-electrolysis, biological treatment and aerated biological filter combined method, so that the effluent quality meets the requirement.

This invention relates to mixture of carbon dioxide/ propylene oxide copolymer and poly- succinic acid butanediol ester and preparation method. It is composed by carbon dioxide/ propylene oxide copolymer, poly- succinic acid butanediol ester and antioxidant four ( beta - ( 3, 5 - di- tertiary butyl - 4 - hydroxy) propanoic acid) pentaerythritol ester ( ky - 7910). These materials blend in Banbury mixer, temperature control at 120 to 160 deg, and time for 10 minutes. The product has biodegradability, useful for preparing film, plates, sheet, effervesce and plastic piece and so on.

The invention discloses a flame-resistant polyvinyl chloride cable material which is characterized in that the polyvinyl chloride cable material is prepared by the following ingredients in parts by weight: 100 parts of polyvinyl chloride resin, 10-19 parts of plasticizer, 15-25 parts of calcium carbonate, 30-40 parts of filler, 8-15 parts of intumescent flame retardant, 1-6 aprts of calcium-zinc stabilizer, 6-8 parts of antimonous oxide, 5-10 parts of magnesium hydroxide, 5-10 parts of aluminium hydroxide and 0.1-1.5 parts of an antioxidant 1010, wherein the flame retardant can be inorganic flame retardants magnesium hydroxide and aluminium hydroxide, and the intumescent flame retardant pentaerythritol, and the provided flame-resistant polyvinyl chloride cable material has excellent flame-retardant property and good insulating property, and the service life of the cable can be prolonged.

A synthetic resin composition is obtained by mixing, to 100 parts by mass of a synthetic resin, 0.001-10 parts by mass of a triazine-based compound represented by general formula (1), 0.001-10 parts by mass of a diaryl pentaerythritol diphosphite compound represented by general formula (2), and/or 0.001-10 parts by mass of an organic cyclic phosphite compound represented by general formula (3), and/or 0.001-10 parts by mass of a hindered phenolic compound represented by general formula (4). (In formula (1), R1 represents an alkyl group having 1-12 carbon atoms, R2 represents an alkyl group having 1-8 carbon atoms, R3 represents a hydroxy group, and R4 represents —O—R1. In formula (2), R5 represents an alkyl group having 1-4 carbon atoms. In formula (3), R5 and R8 represent an alkyl group having 1-4 carbon atoms, and R7 represents an alkyl group having 1-18 carbon atoms. In formula (4), R9 represents a residue obtained by removing n hydroxyl groups from a monovalent to tetravalent alcohol, and n represents an integer 1-4.)

The invention relates to a water-based UV paint, particularly a high-water-resistance quick-photocuring pearlescent water-based UV paint, and a preparation method and application method thereof. The paint is prepared from a water-based polyurethane acrylate resin, a water-based epoxy acrylic resin, a functional monomer, a photoinitiator, a leveling agent, an anti-settling agent, pearl powder and a solvent, wherein the functional monomer comprises at least one of dipentaerythritol hexaacrylate, pentaerythritol triacrylate and trimethylolpropane triacrylate. The number of the functional groups of the dipentaerythritol hexaacrylate, pentaerythritol triacrylate and trimethylolpropane triacrylate is 3 or above. The photocured paint film has the advantages of high crosslinking density, excellent hardness, excellent tensile strength and excellent mechanical properties. The water-based epoxy acrylic resin is introduced on the basis of the water-based polyurethane acrylic resin, thereby enhancing the water resistance of the paint film. By introducing the pearl powder and anti-settling agent, the paint film has gorgeous pearl effects.

The invention discloses a preparation method of a pentaerythritol diphosphonate dichloride ethylenediamine macromolecular flame retardant. The method is characterized by comprising the following steps of: (1) reacting phosphorus oxychloride with pentaerythritol to obtain pentaerythritol diphosphonate dichloride; and (2) dissolving the pentaerythritol diphosphonate dichloride obtained in the step (1) into dimethylfomamide to obtain a solution A, dropwise adding ethylenediamine into the solution A, raising the temperature to 150-155 DEG C, reacting for 2-4 hours, cooling, filtering, washing and drying to obtain the pentaerythritol diphosphonate dichloride ethylenediamine macromolecular flame retardant. The macromolecular flame retardant is synthesized by introducing nitrogen, phosphorus and carbon elements into the same macromolecular structure, so that the stability and the macromolecular compatibility of the flame retardant are improved.

The invention relates to an oil film bearing lubricating oil with high water separation performance. The invention is characterized in that the oil film bearing lubricating oil comprises the following materials of: bi-polyisobutene succimide, phytic acid, 6-tert-butyl-3-methyl phenol, triphenyl thiophosphate, dialkyl pentasulfide, triazole octadecylamine salt, di(2, 4-ditert-butyl phenyl) pentaerythritol biphosphite ester, butyl isooctylphosphate laurylamine salt, dodecene hydrocarbon butane diacid, oxozone trimethylene derivates of amine, petroleum acid polyether ester, polyacrylic ester, oil-soluble polyether macromolecular compound, bisphenyl propyl dimethyl siloxane and base oil. The product has excellent water separation performance and good extreme-pressure abrasion resistance, and can meet the special requirements of working conditions of humidity and wateriness.

The invention relates to the technical field of fuel oil, particularly a marine methanol fuel oil and a preparation method thereof. The marine methanol fuel oil is prepared from the following raw materials in percentage by mass: 10-50% of methanol, 30-80% of 0# diesel, 1-10% of oleamide, 1-10% of methylene ammonium salt, 0.5-5% of antioxidant, 1-10% of thiadiazole derivative, 1-10% of pentaerythritol ester, 0.5-15% of phthalate ester, 1-15% of unsaturated fatty acid soap, 5-35% of low-carbon fatty alcohol, 1-5% of cosolvent, 1-10% of naphthenate, 1-10% of cetane number improver and 3-15% of combustion improver. The marine methanol fuel oil is used on ships, and can reduce the consumption of diesel. The product provides similar power to 0# diesel, and can effectively lower the carbon emission. The swelling capacity for rubber is equivalent to 0# diesel. The corrosivity of the marine methanol fuel oil for engines is low, and satisfies the Chinese Standard requirement for 0# diesel corrosivity.

The invention provides pentaerythritol ester base oil and a synthesis method thereof. The concrete synthesis method comprises the following steps of adding a catalyst A into pentaerythritol serving as a reaction raw material to carry out self-polymerization reaction to generate pentaerythritol rich in a dipolymer; adding fatty acid or arylcarboxylic acid into pentaerythritol rich in the dipolymer to carry out esterification reaction to obtain a crude product; and deacidifying and decolorizing the crude product to obtain the pentaerythritol ester base oil. The dipolymer of pentaerythritol ester and corresponding esters are introduced to a mixture, so that the viscosity and viscosity-temperature characteristics of the base oil are improved, and the condensation point of the base oil is reduced; and the obtained base oil is particularly suitable for the fields of aircraft engine lubricating oil, gear oil and the like.

The invention provides a low-temperature fast-dry amino automobile chassis paint and a production method thereof, wherein, the paint consists of B-12 resin, medium pigment carbon black, compound ferrotitanium powder, ultra-fine mica powder, an auxiliary agent, sealed paratoluenesulfonic acid BYK-450 and BR-167 amino resin; B-12 resin is prepared by octadecenoic acid, benzoic acid, pentaerythritol, phthalic anhydride, dimethylol propionic acid, and trimethyl benzene. The automobile chassis paint adopts special B-12 resin synthetic route to lead the polymer chain to have more active functional groups simultaneously to be matched with the blocked paratoluenesulfonic acid, reduces the baking temperature of the existing amino paint from 130 DEG C to 90 DEG C and reduces the curing film-forming time from 1 hour to half an hour. As the paint film has high crosslinking density, compound ferrotitanium powder and squamous anti-rust pigment are matched for use, and the polyaniline is used for improving the anticorrosive potentials, thus leading the salt spray resistance of the paint to achieve 150 hours and improving the protection performance and the coating efficiency.

The invention provides a preparation method of pentaerythritol ester. The preparation method comprises following steps: pentaerythritol, a fatty acid and active carbon are reacted for a first time at a temperature of 150 to 220 DEG C, under a pressure of -0.03 to -0.07MPa so as to obtain a first reaction product; the first reaction product is subjected to reflux at a temperature of 220 to 250 DEG C, under a pressure of -0.05 to -0.095MPa so as to obtain a second reaction product; and the second reaction product is subjected to third reaction under a pressure of -0.098MPa so as to obtain pentaerythritol ester. Technological parameters of the esterification step are adjusted, so that residual catalyst is removed, production technology is simplified, purity of the obtained product is increased, more excellent combination properties of the obtained product are ensured, and coking resistance at high temperature and low temperature stability of the obtained product under harsh conditions are achieved.

The invention provides an amide polymer shale inhibitor for drilling fluid. The amide polymer shale inhibitor is characterized by being prepared from, by mass, 10%-20% of acrylamide, 5%-10% of 300# liquid wax, 10%-20% of hexadecyl dimethyl benzyl ammonium chloride, 2%-8% of dimethyl diallyl ammonium chloride, 20%-30% of methacryloyloxyethyl trimethyl ammonium chloride, 15%-25% of acrylic acid, 2%-5% of emulsifiers, 0.03%-0.6% of an initiator and 20%-40% of water, wherein the emulsifiers are any two of Span60, Tween80, Span80, Tween60 and hexadecyl trimethyl ammonium bromide, and the initiator is any one of ammonium persulfate-ethanol, ammonium persulfate-pentaerythritol, ammonium persulfate-sodium hydrogen sulfite and ammonium persulfate-sodium sulfite. By means of a synergistic effect of chemical inhibiting and enveloping and blocking of hydrophobic groups, the good inhibition effects can be achieved, integral inhibition is achieved, and the problem that an original shale inhibitor is bad in inhibition effect under the complex condition is solved.

The invention relates to the technical filed of PC (Poly Carbonate)/ABC composite materials and particularly relates to a flame-retardant PC/ABC composite material capable of shielding high-frequency electromagnetic wave and a preparation method thereof. The flame-retardant PC/ABC composite material capable of shielding high-frequency electromagnetic wave comprises PC, ABS, a surface-treated silver-coated copper fiber, a carbon fiber, conductive carbon black, bromotriazine, bisphenol A bis(diphenyl phosphate), polytetrafluoroethylene, an antioxidant 168, an antioxidant 1076, pentaerythritol stearate, an ethylene vinyl acetate copolymer, a silicone-acrylic copolymer toughening agent and gamma-aminopropyl triethoxysilane. Due to the silver-coated copper fiber, the disadvantages that not only the copper fiber is easily oxidized but also silver powder is relatively expensive are avoided, the same effect is achieved and the cost is reduced; the conductivity and the shielding effectiveness are more stable and the flame retardancy is significantly improved. The preparation method disclosed by the invention is simple and mature and high in production efficiency and is conducive to being universally popularized and applied.

The invention discloses a preparation method of a modified moisture-curable polyurethane hot melt adhesive and belongs to the technical field of synthesis of polyurethane adhesives. The preparation method of the modified moisture-curable polyurethane hot melt adhesive has the innovations that pentaerythritol diacrylate is applied for modifying the traditional moisture-curable polyurethane hot melt adhesive, the pentaerythritol diacrylate can serve as a chain extender as two hydroxyls are contained, usage amount of the pentaerythritol diacrylate is regulated, viscosity of a target product is controlled to be in a reasonable range, so that the pentaerythritol diacrylate is convenient for construction and has satisfactory initial adhesion; and meanwhile, the pentaerythritol diacrylate modifier contains a short branched chain functional group acrylate, so that final peeling strength of the target product is also better than that of the traditional conventional product.

The invention discloses a method for preparing an alkyd resin using illegal cooking oil and belongs to the field of high polymer materials. The method includes the following steps of putting hogwash oil, rosin, glycerol, pentaerythritol, neopentyl glycol, and an accelerant into a reaction still, and performing heating and reaction; cooling acquired reactants, putting terephthalic acid in the reaction still, and performing heating and reaction; heating the reactants, adding a backflow solvent, and performing backflow heat preservation; cooling reactants, adding a petroleum resin, and performing even stirring; diluting an obtained material with a solvent. According to the method for preparing the alkyd resin using the illegal cooking oil, by means of a formulation design of the reclaimed illegal cooking oil and hogwash oil, the alkyd resin with high properties is prepared through synthetic reaction, manufactured antirust paint is excellent in antiseptic property, and ready mixed paint or enamel paint is excellent in weather fastness, glossy, bright-colored, and good in property.

The invention belongs to the technical field of functional material preparation and discloses a preparation method and application of a double-sided loaded pyrimethamine molecularly imprinted compoundmembrane based on click chemistry. The preparation method comprises the following step of preparing the double-sided loaded pyrimethamine molecularly imprinted compound membrane by combining a double-sided suction filtration loading means based on a click chemistry polymerization method by taking dopamine as a bionic modified material, a carbon nanotube as a membrane loading material, pyrimethamine as a template molecule, methylacrylic acid as a functional monomer, tetra(3-thiohydracrylic acid) pentaerythritol ester as a crosslinking agent and dipentaerythritol pentenoic acid-hexenic acid-acrylic acid as a co-crosslinking agent. The prepared double-sided loaded pyrimethamine molecularly imprinted compound membrane overcomes the defects that an existing pyrimethamine molecularly imprintedcompound membrane is hard to recover, easy to generate secondary pollution and the like effectively. In addition, the pyrimethamine molecularly imprinted compound membrane has good specific recognition ability and adsorption separation ability to pyrimethamine.

The invention provides a quickly-vitrified fire resisting cable material. The fire resisting cable material is prepared from the following raw materials in parts by weight: 40-50 parts of ethylene-vinyl acetate copolymer, 30-40 parts of polyethylene, 20-35 parts of natural rubber, 30-40 parts of butadiene styrene rubber, 4-6 parts of a compatilizer, 1-2 parts of zinc oxide, 20-30 parts of argil, 10-15 parts of kaolin, 5-6 parts of medical stone, 6-7 parts of garnet, 1-2 parts of 3-aminopropyl trimethoxy silane, 3-4 parts of rapeseed oil, 1-2 parts of pentaerythritol, 1-2 parts of melamine cyanurate, 1-2 parts of molybdenum trioxide, 4-6 parts of ammonium molybdate, 1-2 parts of copper oxide, 1-2 parts of polytetrafluoroethylene micropowder, 10-12 parts of DIBP (diisobutyl phthalate), 6-8 parts of tributyl acetocitrate, 2-4 parts of epoxyoctyl stearate, 1-2 parts of a crosslinking agent TAIC (triallyl isocyanurate), 1-2 parts of ferrocene, and 12-15 parts of a modified filler. The fire resisting cable material is high in fire resistance. At high temperature, the fire resisting cable material can be quickly vitrified to protect the normal use of a cable. Meanhwile, the fire resisting cable material is environment-friendly and high in weather resistance.