107results about How to "Good stretch resistance" patented technology

The invention provides a conductive fabric and a preparation method thereof. The conductive fabric comprises, from inside to outside, an adhesive force improving layer attached to the surface layer ofa fabric substrate, a liquid metal layer, an oxygen isolation protective layer and a packaging protective layer. The preparation method comprises: applying the adhesive force improving layer to the surface layer of a fabric substrate, coating the adhesive force improving layer with the liquid metal layer, coating the liquid metal layer with the oxygen isolation protective layer, and coating the oxygen isolation protective layer with the packaging protective layer. The coating manner includes spraying, brush coating, flow coating or printing. Compared with a conductive fabric in the prior art,the conductive fabric is excellent in conductivity, fold resistance, laundering durability and tensile property. The preparation method is simple and reliable.

The invention belongs to the field of chemical industry and discloses washable anti-aging carboxy styrene-butadiene latex for carpet back coating as well as the preparation method and application of the latex. The carboxy styrene-butadiene latex is characterized by comprising the following components in parts by weight: 100 parts of monomers, 1-3 parts of emulsifier, 0.3-1 part of molecular weight regulator, 0.15-0.2 part of reactive anti-aging agent, 0.2-0.5 part of initiator and 90-120 parts of desalted water, wherein the monomers include main monomers consisting of 14-70 parts of butadiene and 30-85 parts of styrene, 0-5 parts of auxiliary monomers and 1-5 parts of functional monomers. An intermittent emulsion polymerization way and a method that the emulsifier, the initiator and the like are added in batches are adopted in the polymerization process, and a pH regulator, a stopping agent and the like are added after vacuum flashing and degassing for synthesis so as to prepare the carboxy styrene-butadiene latex. The carboxy styrene-butadiene latex is applied to the carpet back coating process to be used as an adhesive, and has better thickening property, dyeing property and cohesiveness if matched with pulp.

The invention discloses a high-strength tear-resistant modified cable material. The high-strength tear-resistant modified cable material comprises the following raw materials in part by weight: 36-42 parts of polyurethane rubber, 52-56 parts of butadiene-vinylpyridine rubber, 6-9 parts of hydrogenated nitrile rubber, 10-13 parts of nano-cellulose whisker, 1.8-2.2 parts of silane coupling agent A-151, 2-2.5 parts of sulphur, 1.1-1.4 parts of accelerant TMTD (tetramethyl thiuram disulfide), 1.5-1.8 parts of accelerant AC, 7-8 parts of light calcium carbonate, 5-6 parts of modified graphene, 24-28 parts of hard clay, 20-23 parts of mica powder, 2-3 parts of diethyl phthalate DEP, 3-5 parts of epoxy butyl oleate, 2-3 parts of pentaerythritol fatty acid ester, 2.3-2.6 parts of melamine phosphate, 8-11 parts of microencapsulated red phosphorus, 11-14 parts of zinc borate, 1.5-1.8 parts of anti-aging agent ODA and 0.9-1.2 parts of anti-aging agent DFC-34. The invention discloses a preparation method of the high-strength tear-resistant modified cable material.

The invention relates to a weather monitoring device, in particular to a new weather balloon, which comprises the following components by weight percent: 100 of centrifugal concentrated natural latex, 0.3 of casein, 0.3 of potassium hydroxide, 0.15 of peregal 0, 2 of sulphur, 1.5 of N-ethyl-N-phenyl dithiocarbamate zinc, 1 of N-phenyl-2-naphthylamine, 1.5 of zinc oxide, 1.5 of dibutyl sebacate, 1.5 of IR-550 polyisoprene latex, 0.05 of dispersing agent NF, 0.05 of borax, 0.3 of sodium butylnaphthalenesulfonate, 0.5 of sodium hexametaphosphate, 8 of dioctyl sebacate and 10 of chloroprene polymer. The new weather balloon provided by the invention has the advantages of high sounding altitude, long sounding time and wide application prospect.

The invention relates to a nanocellulose whisker modified bifunctional photoinitiator and a preparation method thereof. The preparation method comprises the following steps: preparation of nanocellulose whisker and diisocyanate semi-adduct: a catalyst is added dropwise to a nanocellulose whisker and diisocyanate mixture, and the nanocellulose whisker and diisocyanate semi-adduct is obtained after a reaction; modification of a photoinitiator: the photoinitiator is added dropwise to the nanocellulose whisker and diisocyanate semi-adduct, and the nanocellulose whisker modified photoinitiator is obtained after a reaction. The nanocellulose whiskers are grafted to polymer chains of a paint film through photolysis and photopolymerization. The modified photoinitiator prepared with the preparation method has double effects of the photoinitiator and a material reinforcer, is not prone to migration and is high in photo-initiation efficiency, and a photocured material has the advantages of good mechanical property, tensile property and the like and has good application prospect.

The invention discloses a high-strength high-flame-resistance cable material. The high-strength high-flame-resistance cable material comprises, by weight, 40 to 60 parts of high-density polyethylene, 30 to 40 parts of phenolic resin, 20 to 30 parts of epoxy resin, 10 to 30 parts of triphenyl phosphate (TPP), 15 to 30 parts of decabromodiphenylethane, 10 to 20 parts of carbon fibers, 5 to 15 parts of calcium stearate, 15 to 25 parts of nanometer aluminum hydroxide, 5 to 10 parts of nanometer calcium carbonate, 2 to 8 parts of nanometer titanium dioxide, 5 to 15 parts of nanometer organosilicon, 3 to 8 parts of antimony oxide, 5 to 15 parts of zinc borate, 4 to 10 parts of calcite powder, 3 to 10 parts of talcum powder, 1 to 5 parts of diatomite, 3 to 8 parts of a fire retardant, 2 to 6 parts of an anti-oxidant, 1 to 5 parts of a plasticizer and 10 to 20 parts of a modified filling material. The cable material prepared in the invention has high strength, good stretching resistance and excellent flame resistance and can meet requirements of the related industry.

The invention relates to a pump with politef or F46 coat and relative producing method, which solve the problem for plating politef inside the pump, with high producing cost. The thickness of politef or F46 inner coat (2) of pump flow section (a) is 0.1-50um. The producing method comprises: sintering the pump plated with politef or F46 coat in 280-350Deg. C for 2-4 hours. The invention has the advantages as thin coat and better resistance. It has simple process, smooth surface and small friction parameter.

The invention discloses a medical composite resin infusion bag material and a preparation method thereof. PVC (polyvinyl chloride) resin and polypropylene resin serve as main components, polyethylene glycol, octenyl succinic acid modified starch, polyethylene glycol terephthalate, cellulose acetate fibers, calcium lignosulphonate, 4, 5-epoxy tetrahydrophthalate, 1-(3-dimethyl aminopropyl)-3-ethyl carbimide, coconut oil fatty acid monoethanolamine, sea-foam stone powder, gas phase while lamp black, linolenic acid, dispersing agents and stabilizing agents are added and subjected to processes such as mixing, stirring, high-temperature sintering, crushing, high-pressure calcining, acid dipping, ultrasonic dispersion, screw extrusion and injection molding to prepare the medical composite resin infusion bag material. The medical composite resin infusion bag material has excellent high temperature resistance, stretching resistance and abrasion resistance, can meet industrial requirements and has a good application prospect.

The invention discloses a halogen-free high-flame-retardant cable. An insulation layer of the cable comprises an outer insulation layer and an inner insulation layer which are formed by a double-layer coextrusion method. The tension strength of the outer insulation layer is larger than or equal to 13.8MPa, the broken elongation of the outer insulation layer is larger than or equal to 300%, and the inner insulation layer is made of high-flame-retardant rubber materials. The outer insulation layer comprises 100 parts of vinyl copolymer and/or ethylene propylene diene monomer rubber, 60-150 parts of halogen-free flame retardant, 1-10 parts of compatilizer, 0.1-5 parts of antioxidants, 0.1-5 parts of lubricants, 0-20 parts of polymer elastic bodies and 0-3 parts of coupling agents. The inner insulation layer comprises 100 parts of vinyl copolymer and/or ethylene propylene diene monomer rubber, 80-250 parts of halogen-free flame retardant, 1-10 parts of compatilizer, 0.1-5 parts of antioxidants, 0.1-5 parts of lubricants, 0-20 parts of polymer elastic bodies and 0-3 parts of coupling agents. The cable is stretch-resistant, excellent in waterproof performance and abrasion resistance and high in flame-retardant level.

The invention discloses a polytetrafluoroethylene film for a capacitor. The polytetrafluoroethylene film is prepared from the following components in parts by weight: 100-120 parts of polytetrafluoroethylene, 10-12 parts of triethanolamine, 2-5 parts of polyvinylidene fluoride, 1-4 parts of calcium stearate, 20-24 parts of polyoxyethylene lauryl ether, 10-12 parts of polyacrylamide, 2-6 parts of glycerin monostearate, 0.5-1.5 parts of phenylacetophenone, 1-3 parts of diisopropylbenzene hydroperoxide and 4-9 parts of a film-forming agent. The components of the polytetrafluoroethylene film disclosed by the invention have a synergistic effect. Primarily based on polytetrafluoroethylene, the tensile property of the polytetrafluoroethylene film is comprehensively improved and the service life of the polytetrafluoroethylene film is prolonged by adding triethanolamine, polyvinylidene fluoride, calcium stearate, polyoxyethylene lauryl ether, polyacrylamide, glycerin monostearate, phenylacetophenone, diisopropylbenzene hydroperoxide and a film-forming agent.

The invention provides an environment-friendly low-stress electrical concrete pole. One the one hand, by conducting screening and combination on concrete components, the electrical pole which is capable of achieving air purification and great in mechanical performance is composed of cement, sand, gravels, nanometer titanium dioxide, nanometer calcium carbonate, mineral powder, polymethyl methacrylate microspheres, a polycarboxylate superplasticizer and water. On the other hand, prestress steel rods are adopted as main ribs of the electrical pole, a great holding force special for concrete is formed, the concrete is poured onto the exterior of a formed steel rod framework, then die assembly and centrifugal treatment are carried out, steam curing is performed, and the finally prepared electrical concrete pole is free of cracks and capable of resisting impact force generated during transportation, hoisting, unloading and the like and maintaining a complete and crack-free state.

The invention relates to a PET composite material for beer packaging and its preparation technology. The composite material is composed of the following components by weight: 62-73 parts of polyethylene terephthalate, 25-35 parts of glass fiber, 5-15 parts of an interfacial compatibilizer, 0.05-0.2 part of an anti-oxidant, 0.05-0.15 part of a cross-linking agent, and 1-3 parts of a lubricant. Theinvention also includes a preparation technology of the PET composite material for beer packaging. The PET composite material for beer packaging of the invention has the advantages of good impact resistance, tensile strength and bending resistance, easy processing and moulding, and low manufacturing cost, thus being especially suitable for the packaging of beer bottles, etc. Characterized by simple preparation technology, the composite material provided in the invention is suitable for industrial production.

The invention discloses an antibacterial composite non-woven fabric and a preparation method thereof. The antibacterial composite non-woven fabric comprises the following raw material in parts by weight: 50-200 parts of silk fibers. Through cooperation of wire drawing level resin, glass powder and a plasticizer, the tensile effect is better during use, so that the stability during use is ensured,and the damage caused by excessive stress is avoided; through arrangement of nano silver wire powder and Chinese herbal medicine powder, the antibacterial ability of the material can be effectively improved during use, so that the normal use of the material cannot be influenced by bacteria breeding during use; and through cooperation of the plasticizer and a leveling agent, the effect of the material formed in a drying and film-forming process during use is better, and the surface is flatter and smoother.

The invention discloses a heat vulcanization repairing method of a cable connector, comprising a cable core wire treatment step and a cable outer sheath treatment step, wherein the cable core wire treatment step comprises the following steps of: connecting a connector of each copper core wire (2) by a copper connecting pipe (1), tightly pressing by crimping pliers and covering by a high-voltage waterproof adhesive tape; and the cable outer sheath treatment step comprises the following steps of: covering the treated copper core wires and covering by heat vulcanized rubber adhesive tapes; and then, tightly clamping by a cable mould (4); and finally, placing the fastened cable mould (4) into an oven at a temperature of 130-150 DEG C, taking out after vulcanizing for 13-15 hours, and naturally cooling. The invention further discloses the cable mould applied to the heat vulcanization repairing method of the cable connector, which is arranged into two symmetrical sections; the two sections are combined to form a waist drum shape; connection ear plates (5) are respectively arranged at two ends of each section of the cable mould; screw holes (3) are arranged on the connection ear plates and screws pass through the screw holes to be fixedly connected with two sections of the cable mould. The repaired cable connector has extremely remarkable performances including waterproof performance, pressure resistance, tensile resistance, wear resistance and the like.

The invention relates to a pair of industrial latex gloves and a preparation method thereof. The pair of industrial latex gloves comprises components in parts by mass as follows: 28-40 parts of neoprene latex, 0.1-0.4 parts of zinc oxide, 0.1-0.5 parts of N-isopropyl-N'-phenyl-p-phenylenediamine, 0.03-0.08 parts of casein, 0.05-0.1 parts of potassium octoate, 0.05-0.1 parts of water glass, 0.2-0.5 parts of triethylene diamine, 0.2-0.6 parts of sulfur, 0.3-0.7 parts of paraffin oil, 0.08-0.16 parts of polylactic acid, 3-9 parts of tricalcium phosphate, 0.2-0.6 parts of carbon black and 0.2-0.5 parts of vitamin E. According to the pair of industrial latex gloves and the preparation method thereof, the pair of industrial latex gloves has excellent performance such as anti-poison, corrosion resistance, oil resistance, aging resistance, tensile resistance and the like, and has a protective function on skin and does not harm hands.

The invention relates to the technical field of polymer materials, and in particular to a high-strength and easily-degradable composite material for a garbage bag. The composite material comprises thecomponents of polyvinyl chloride resin, polyamide resin, a TPVC (Thermoplastic Polyvinyl Chloride) elastomer, metamorphic starch, a compatibilizer, a plasticizer, a reinforcing agent, a degradation catalyst and a stabilizer, wherein the compatibilizer is maleic anhydride grafted polyethylene; the stabilizer is a calcium-zinc composite stabilizer; the reinforcing agent is carbon black; and the plasticizer is dibutyl phthalate, isosorbide diester or butyl triacetate; a photocatalyst is a compound formed by mixing nano zinc oxide, anatase titanium dioxide and polylactic acid in a mass ratio of 2:5:10. The composite material has high strength, good toughness and remarkable weather resistance and has the characteristics of high degradation rate and fast degradation speed.

The invention discloses a fire-proof and breakdown-resistant film capacitor and relates to the technical field of film capacitors, comprises a composite film made of a macromolecular copolymer modified polypropylene master batch as a dielectric of a film capacitor, A composite film made of macromolecular copolymer modified polypropylene masterbatch is used as dielectric of film capacitor, Throughthe modification of polypropylene film, The tensile properties of the polypropylene film were improved remarkably, especially the macromolecular copolymer was used to modify the polypropylene masterbatch, which greatly improved the molecular structure of the composite film, increased the bond energy between the molecules, greatly improved its high temperature resistance, reduced the loss coefficient, and achieved remarkable economic benefits.

The invention relates to a stretching and flexibility resistance terrace material, which is composed of the following components by weight: 23-28 parts of trimethylene carbonate, 7-17 parts of acrylic acid, 13-18 parts of cellulose acetate, 3-6 parts of polylactic acid, 5-8 parts of butyrin, 4-7 parts of tricalcium aluminate and 4-6 parts of aluminium oxide. The prepared stretching and bending resistance terrace material has good stretching and flexibility resisting properties.

The invention discloses a preparation method of rice noodles not prone to breakage. The preparation method comprises the steps as follows: rice and sweet potatoes are cleaned up and soaked in water, filtration, grinding and sieving are conducted, and mixed milk is obtained; the mixed milk and a compound protein decomposition product are uniformly mixed, the mixture is sent into a rice noodle steaming machine to be cooked, coating, setting, drying, cooling and aging are conducted, and the rice noodles not prone to breakage are obtained. The compound protein decomposition product is prepared with the following technology: yeast protein, potato protein and water are mixed uniformly, neutral protease and trypsin are added, the mixture is stirred and adjusted to be neutral, heating, heat insulation, cooling and drying are conducted, absolute ethyl alcohol is added, microwave treatment is conducted, glycerinum, xanthan gum and maltose are added, the mixture is stirred, and the compound protein decomposition product is obtained. The obtained rice noodles have good toughness and tensile strength and are not prone to looseness and breakage after being soaked for a long term, the taste of the rice noodles can be effectively kept, loss of nutrition in raw materials can be effectively reduced, and thus, the nutritional ingredients in the raw materials are reserved to the greatest extent.

The invention discloses a solvent-free double-component epoxy resin adhesive. The solvent-free double-component epoxy resin adhesive comprises epoxy resin, isocyanate, polyether polyol, polyester polyol and an epoxy curing agent. The solvent-free double-component epoxy resin adhesive has the advantages that the epoxy resin and the isocyanate are combined according to an optimized proportion obtained through a large amount of experimental screening to serve as the double-component matrix resin, the polyether polyol and the polyester polyol with long chains are used to improve the problem that rigid benzene ring chain segments are poor in rotating and stretching capacity, the optimal epoxy curing agent is used to allow the cured adhesive to have excellent toughness, and the adhesive is good in impact resistance and stretch resistance, less prone to brittle rupture, high in peel strength, good in shear resistance and capable of still keeping excellent adhesive force under high temperature; many defects in the prior art can be overcome, and good and unexpected technical effects are achieved.

The invention discloses a stretch-proof shielding cable material formula.The stretch-proof shielding cable material is prepared from, by weight, 20-40 parts of butadiene styrene rubber, 25-45 parts of methyl vinyl silicone rubber, 4-12 parts of petrolatum, 3-15 parts of coupling agent, 2-14 parts of conductive carbon black, 4-14 parts of anti-ager and 3-9 parts of petrolatum.The stretch-proof shielding cable material has the advantages of being good in stretch-proof effect, high in toughness and the like.