98 results about "Cadmium stearate" patented technology

The invention discloses a PE wood/plastic composite sectional material and relates to the technical field of composite materials. The PE wood/plastic composite sectional material is made from the following raw materials in parts by weight: 10-70 parts of wood flour, 20-50 parts of polyethylene, 3-20 parts of calcium carbonate powder or talc powder, 0.1-1 part of stearic acid or n-butyl stearate, 0.4-1.5 parts of one or a combination of more than one of calcium stearate, lead stearate, barium stearate, cadmium stearate, lanthanum stearate, zinc stearate, PE wax, or oxidized polyethylene wax OPE or 0.1-1.5 parts of paraffin, 0.5-3 parts of a coupling agent, 0.5-2 parts of an antioxidant, 0.05-2 parts of a UV absorbent, a light shielding agent, quencher or free radical scavenger, and 3-12 parts of titanium pigment. The PE wood/plastic composite sectional material provided by the invention has the advantages of water resistance, insect resistance, rust corrosion resistance, convenience for fabrication, safety in use, strong plasticity, energy conservation, environmental friendliness and no formaldehyde, benzene or other poisonous substances.

This invention discloses a high-strength antirust packaging paint, which is composed of: ethylene resin, epoxy resin, polyurethane alkyd resin, rosin-modified resin, acrylate resin, cadmium stearate, lanoline, diphenyl amine, barium petroleum sulfonate, essence, antirust oil, plasticizer, heat stabilizer, antirust agent, diluting agent, adhesion promoter, leveling agent, UV absorbent, dispersant, defoamer and flame retardant. The packaging paint can be directly sprayed, soak-coated or brush-coated onto objects with any shape or appearance. A bright and smooth protective film is formed several minutes later. The protective film has high antirust performance, and can be stripped off for recycling.

The invention discloses a method for preparing a luminescence-adjustable ligand-free cadmium sulfide quantum dot. The quantum dot does not need any organic molecules as ligands, has good stability, can be effectively hybridized with organic materials and prevents the phenomenon of phase separation in the hybridization process, and the luminescence wave length can be precisely adjusted along with a synthesis condition. According to the preparation method of the luminescence-adjustable ligand-free cadmium sulfide semiconductor quantum dot, cadmium acetate, cadmium propionate or cadmium stearate is selected as a cadmium source, and thiourea or sodium sulfide is selected as a sulfur source, and the luminescence-adjustable ligand-free cadmium sulfide semiconductor quantum dot can be prepared without any organic molecules as a cladding agent.

The invention discloses a polyvinyl chloride (PVC) hard modified plastic which is characterized in that a general PVC plastic raw material, a stabilizer, a lubricant, a coloring agent and a filler are mixed and granulated, wherein the stabilizer is tribasic lead sulfate, dibasic lead phosphite, barium stearate or cadmium stearate; the lubricant is stearic acid, paraffin or mineral oil; the coloring agent includes rutile type titanium dioxide, chrome yellow and channel black; and the filler includes calcium carbonate, argil and glass fiber. Through the way, the PVC hard modified plastic disclosed by the invention has better mechanical properties and good heat resistance, resists impact and aging, and is particularly suitable for the buildings such as doors/windows, pipelines, plates and the like and the related industries.

The invention discloses a high-toughness high-tear strength modified polyurethane rubber cable material which comprises the following raw materials: a modified polyurethane rubber cable material, coumarone resin, silicon rubber, polycarbonate, tetrafluoroethylene-propylene rubber, modified calcium sulfate whisker, triallyl isocyanurate, methyl methacrylate, 3-aminopropyl trimethoxy silane, an accelerant M, an anti-aging agent, sulfur, jade powder, zinc oxide, zinc borate, aluminum powder, high-wear resistance carbon black, tributyl citrate, cadmium stearate, magnesium oxide and rosin. The polyurethane rubber cable material disclosed by the invention has excellent properties such as high toughness and high tear strength.

The invention discloses a PVC master batch and a preparation method thereof. According to the preparation method, PVC, ESBO, DOP, ACR, paraffin, carbon black, lead stearate, barium stearate, cadmium stearate, PE wax, antimonous oxide and titanium dioxide are weighed in parts by weight, the product is high in strength, the tensile strength is 50MPa-90MPa, the tensile modulus is 3200MPa -3600MPa, and the Shore hardness is 60D-80D; the appearance of the product is uniform and glossy, the color intensity is 95%-115%, the impact strength is 15kJ/m<2>-35kJ/m<2>, the thermal deformation temperature is 120-140 DEG C, the bending strength of the product is 15MPa-55MPa, the bending modulus is 2GPa-4GPa, the elongation at break is 100%-140%, and the melt flow index is 7g/min-11g/min; and the cost is low, the operation is simple, and the PVC master batch can be widely applied to the production and can be used for continuously replacing existing materials.

The invention provides a composite for fire hoses and a preparation method of the composite. The composite is prepared from components in parts by weight as follows: 100 parts of sucrose polyester modified polyvinyl chloride resin, 60-70 parts of a fluorine-containing organosilicone modified polyurethane polymer, 40-50 parts of bisphenol A polycarbonate, 30-40 parts of polyphenyl ether, 10-15 parts of polyacrylamide, 10-15 parts of acrylate, 10-12 parts of medium chain triglyceride, 8-12 parts of polyvinyl acetal, 8-12 parts of dibutyl phthalate, 2-3 parts of calcium stearate, 2-3 parts of cadmium stearate, 1-2 parts of 1,4-butanediol diacrylate and 1-2 parts of dibutyltin dilaurate. Main raw materials comprise sucrose polyester modified polyvinyl chloride resin, the fluorine-containing organosilicone modified polyurethane polymer, bisphenol A polycarbonate and polyphenyl ether, and the composite has good mechanical performance, water resistance, wear resistance and aging resistance through cooperation of the four raw materials and the auxiliary function of auxiliary materials.

The invention discloses a high-elasticity high-toughness polypropylene cable material for communication and a preparation method thereof. The high-elasticity high-toughness polypropylene cable material for communication is prepared from the following raw materials in parts by weight: 70-90 parts of atactic polypropylene, 25-35 parts of thermoplastic elastomer SEEPS, 14-26 parts of butanediol cycloterephthalate, 15-25 parts of nano cellulose whisker, 12-20 parts of coumarone indene resin, 6-12 parts of hydroxyl aluminum distearate, 20-30 parts of siliceous shale, 16-24 parts of diisodecyl phthalate, 18-32 parts of asbestos tailing, 2-4 parts of cadmium stearate, 10-15 parts of flocking powder, 9-16 parts of basic magnesium sulfate whisker and 15-25 parts of volcanic ash. The toughness and elasticity of the material are improved; by adding the nano cellulose whisker, flocking powder, basic magnesium sulfate whisker and other raw materials into the system, the tensile strength and elongation at break of the material are enhanced; and the heat resistance, wear resistance and corrosion resistance of the material can also be improved.

The invention discloses a telescopic pipe for an automobile and a preparation method of the telescopic pipe. According to the method, PVC resin, calcium carbonate, ABS, polyethylene wax, titanium dioxide, MBS, methyl tin mercaptide, barium sulfate, a coupling agent, DOP, lead stearate, stainless steel metal powder, dioctyl terephthalate and cadmium stearate are weighed. The Shore hardness is 85-89 A, the bending strength is 95-115 MPa, the impact strength is 55-75 kJ/m<3>, the Vicat softening point is 90-130 DEG C, and the tensile strength is 75-95 MPa. Oil resistance is good, the time for flaming combustion is 0.4-0.8 second, the time for flameless combustion is 0.01-0.2 second, the breaking elongation is 450-650%, and the telescopic pipe is free of toxicity and healthful. The telescopic pipe is resistant to drop-hammer impact, the impact strength of a gap at -40 DEG C is 5-25 kJ/m<3>, and the telescopic pipe can be widely produced and constantly replace an existing material.

The invention discloses an energy-saving rigid plastic, which is composed of the following raw materials in parts by weight: 0.1-0.3 part of cadmium stearate, 6-10 parts of polyvinyl butyral, 130-170 parts of polyvinyl chloride, 1-2 parts of ammonium alcohol ether sulphate, 2-3 parts of an amino tri methylene phosphonic acid, 3-5 parts of zinc dihydrogen phosphate, 20-30 parts of rigid packing, 0.5-1 part of polyethyleneimine, 10-18 parts of epoxidized linseed oil, 3-4 parts of phytosterol, 0.6-1 part of tert-Butyldiphenylsilane, and 1-2 parts of methyl parahydroxybenzoats. According to the invention, octadecyl trimethyl ammonium chloride and potassium iodide are mixed for preparing hyamine iodide, and then the prepared hyamine iodide and dispersion liquid of aluminium-magnesium silicate are mixed for processing milltailings, in such a way, the water resistance and stability of the packing can be improved; and a rare-earth salt is also added, so that the resistance of the packing is improved. The plastic disclosed by the invention is rigid in surface texture, high in impact strength, and good in weather resistance, therefore, the energy-saving rigid plastic is particularly applicable to construction projects.

The invention discloses an anti-radiation silicone rubber sealing gasket and a preparation method thereof.The anti-radiation silicone rubber sealing gasket is prepared from, by weight, 29-38 parts of methyl vinyl trifluoropropyl silicone rubber, 21-32 parts of hydrogenated butadiene-acrylonitrile rubber, 20-30 parts of ceramic polishing waste, 4-6 parts of polyamino bismaleimide, 2.5-4 parts of 2,4-dichlorobenzoyl peroxide, 1-2 parts of cadmium stearate, 3-5 parts of polyethylene wax, 5-7 parts of antimony pentasulfide, 4-6 parts of ethyleneglycol dimethacrylate, 15-20 parts of nano barium sulfate, 12-14 parts of polyneopentylene-hexamethylene adipate glycol, 6-12 parts of terpene-styrene resin, 2-3 parts of promoter TBBS, 1.5-2.5 parts of anti-aging agent BLE and 8-12 parts of modifier.The anti-radiation silicone rubber sealing gasket has the excellent anti-radiation property and good high and low temperature resistance, oil resistance, solvent resistance, chemical resistance and ozone aging resistance.

The invention discloses a high-temperature-resistant cable outer sheath layer and a preparation method thereof. The preparation method comprises the following steps that bentonite, succinyl oxide, fatty alcohol, organic acid and water are mixed; after centrifugal dewatering and spray drying, a filler M is obtained; the filler M is respectively subjected to primary heat treatment and secondary heattreatment to obtain a modified filler M; the modified filler M, neoprene rubber, butylated amino resin, polyvinylidene fluoride, ethyl acetate, cadmium stearate, carbon black, zinc oxide and barium stearate are mixed; after banburying, mixing glue is obtained; the mixing glue is added into a vulcanizing machine; through extrusion vulcanization and hot press molding, the high-temperature-resistantcable outer sheath layer is obtained. The problems that most outer sheath layers of electric wires and cables have heat insulation performance, so that the cable outer sheath layer provides insulation performance; meanwhile, the dissipation of heat inside the electric wires and cables is impeded to a certain degree; the aging speed of the sheath layer can be accelerated due to heat accumulation,so that the service lives of the electric wires and cables are shortened are solved.

The invention discloses an overpressure resistant PVC tubing, which is composed of the following components by weight: 50-70 parts of PVC resin, 3-5 parts of plasticizer, 6-10 parts of lithopone, 10-12 parts of calcium carbonate, 3-5 parts of cadmium stearate, 5-10 parts of impact resistance agent, 3-6 parts of aluminium hydroxide, and 5-10 parts of synthesized paraffin. The impact resistance tubing has the advantages of good toughness and shock resistance, chemical corrosion resistance, improved tensile strength and fracture elongation rate, good toughness without water leakage, water seepage and rupture, and MBS resin is added into the PVC for promoting plasticizing, and enhancing inorganic substance dispersion and processing fluidity of PVC melt, and improving low temperature impact strength of the product.

The invention relates to a preparation method of a cadmium selenide nanocrystal assembly with narrow size distribution. The method is as below: filling cadmium stearate and selenium powder at room temperature into a container containing octadecene, and installing a condensation reflux device in the container; introducing inert gas, and heating to 200-300 DEG C for reaction; after the reaction, cooling to room temperature with cooling rate controlled at 5-30 C / min; separating reaction products and collecting a lower layer precipitate; mixing isopropyl alcohol solution with the precipitation for continuous separation, and collecting a lower layer precipitate; and dissolving the precipitate in a toluene solvent, so as to obtain a CdSe nanocrystal assembly with narrow size distribution. The method has the advantages of simple operation, short production cycle, good product stability, low cost, narrow energy gap of CdSe material, more photon absorption and improvement on photovoltaic conversion efficiency. The invention provides a novel thinking for preparation of other organic nanocrystal assembly and provides possibility for the commercialized application of nano-materials.

The invention discloses a PVC film for a blood transfusion bag and a preparation method of the PVC film for the blood transfusion bag. The preparation method comprises the following steps: weighing PVC, zinc stearate, DOP, aluminum stearate, di(2-ethylhexyl)-4,5-epoxytetrahydrophthalate, cadmium stearate, a stabilizer, DBP, dicumyl peroxide, CPE, an antioxidant, triphenyl phosphate, diisooctyl phenyl phosphate, barium stearate and phenyl methyl silicone oil in parts by weight, and extruding and pelletizing after uniformly mixing so as to obtain the PVC film. The light transmittance of the product is 85-95%, the longitudinal elongation at 0 DEG C is 5-45%, the longitudinal tensile strength is 20-40 MPa, the transverse tensile strength is 25-45 MPa, the longitudinal elongation is 200-600%, the transverse elongation is 400-800%, the longitudinal tear strength is 10-12 kN/m and the transverse tear strength is 12-16 kN/m.

The invention discloses PVC foamed artificial leather and a preparation method thereof. The PVC foamed artificial leather comprises, by mass, 100 parts of PVC or crosslinking powder, 60-120 parts of plasticizer, 0.1-10 parts of thermal stabilizer, 3-10 parts of AC foamer, 1-15 parts of pigment and 0.1-0.5 part of foam hole adjuster, wherein the plasticizer is one of or a mixture of DOP, DINP and DOA, and the thermal stabilizer is one of or a mixture of barium stearate, cadmium stearate, zinc stearate and lead stearate. Compared with the prior art, the PVC foamed artificial leather is high in thickness which can meet requirements of clients on finished product thickness being 3.0mm and above to meet special using requirements like saddles.

The invention discloses a battery truck solid tire carcass compound which is prepared from the following materials: neoprene, sodium acetate, cadmium stearate, an oil-extender, furnace black, zinc oxide, magnesium oxide, an anti-aging agent and an accelerant. The carcass compound disclosed by the invention has the performances such as excellent abrasive resistance, high tensile strength and tearing strength, good aging resistance, warping strength, heat resistance, puncture resistance and groove cracking resistance, and the like.

The invention discloses anti-aging-cracking plastic flooring and a preparation method thereof. The plastic flooring comprises, by weight part, 51-66 of ultrahigh molecular weight polyethylene, 26-40 of poly(p-phenylene terephthalamide), 17-29 of sepiolite fiber, 12-19 of cyclohexane dialkyl dicarboxylate, 5-7 of behenamide, 19-33 of styrene-butadiene segmented copolymer, 11-17 of flocculation lignin fiber, 10-15 of silicon carbide whiskers, 16-23 of chalk powder, 5-10 of methyl 3-mercaptopropionate, 2-3 of cadmium stearate, 1.5-2.5 of barium stearate, and 13-21 of tridecyl trimellitate. The plastic flooring is made by compounding ultrahigh molecular weight polyethylene and poly(p-phenylene terephthalamide), can maintain excellent mechanical properties in a wide temperature range in a high-humidity environment, and is excellent in ageing resistance. Through addition of sepiolite fiber and silicon carbide whiskers, the anti-aging-cracking property and wear resistance of the plastic flooring are improved. Through addition of a plasticizer, such as tridecyl trimellitate, heat resistance and durability of the plastic flooring are further improved.

The invention discloses an expansion joint and a preparation method thereof. The expansion joint is prepared from butadiene rubber, PVC, tribasic lead sulfate, dibasic lead sulfate, ABS, cadmium stearate, PMMA, dibutyl laurate, zinc borate hydrate, hydrogenated butadiene-acrylonitrile rubber, NBR, stainless steel powder, stannous chloride and benzoin dimethyl ether. The prepared expansion joint has bending strength of 100 to 120 MPa, Shore hardness of 90 to 100 D, flexural modulus of 1.2 to 1.6 GPa, impact strength of 90 to 110 kJ/m<3>, tearing strength of 30 to 50 kN/m, a Vicat softening point of 140 to 180 DEG C, tensile strength of 60 to 80 MPa, oil resistance of 30 to 50% under the condition of standing at 80 DEG C for one day, elastic modulus of 135 to 175 MPa, elongation at break of 650 to 850%, compression set of 10 to 15% and Young modulus of 440 to 480 MPa.

The invention relates to the technical field of an automobile foot pad material, and particularly relates to a flame-retardant modified automobile foot pad material. The flame-retardant modified automobile foot pad material is prepared from the following components in parts by mass: 100 parts of PVC (polyvinyl chloride) resin, 20 parts of plasticizer DOP (Dioctyl-Phthalate), 20 parts of DOTP (dioctyl terephthalate), 15 parts of chlorinated paraffin, 3 parts of flame retardant, 60 parts of aluminium hydroxide, 4 parts of stabilizer, 0.5 part of cadmium stearate, 30 parts of filler, 0.5 part of lubricant and 0.5 part of paraffin. A preparation method of the flame-retardant modified automobile foot pad material comprises the following steps: firstly, uniformly mixing the PVC resin and the plasticizer DOP, then adding the DOTP, the chlorinated paraffin, the flame retardant, the aluminium hydroxide, the stabilizer, the cadmium stearate, the filler, the lubricant and the paraffin; stirring for 5 to 10min in a high-speed mixer at a temperature of 70 to 90 DEG C; after uniform mixing, carrying out extrusion molding by adopting a double-screw extruder. According to the obtained flame-retardant modified automobile foot pad material and the preparation method thereof, the prepared material has good flame retardance, is suitable for being used on a foot pad, and enables safety of the foot pad to be higher.