109results about How to "Lower vulcanization temperature" patented technology

The invention relates to a silastic composition and a manufacturing method thereof. The silastic composition comprises a component A and a component B, the component A is composed of mixing base adhesive and platinum coordination complex, whereas the component B is composed of the mixing base adhesive, hydrogen-containing silicone oil, a thickening agent and a depressor; the mixing mass ratio is: component A: component B is 0.5-99:1-99.5. The silastic composition of the invention is a solid-state mixing silastic containing platinum curing ingredient, so no curing ingredient is needed in the process of molding, besides, the vulcanization effect is good, the vulcanization moulding temperature is low, thus saving electricity, reducing exhaust emission and improving productivity; moreover, the silastic product is odorless and has fine physical and mechanical properties.

The invention discloses a high temperature resistance non halogen flame retardant cable sheath material and a preparation method thereof. The high temperature resistance non halogen flame retardant cable sheath material comprises the following components with the following parts by weight: 100 parts of ethylene-propylene-diene monomer (EPDM), 1.5-6 parts of vulcanizing agent, 1.5-6 parts of co-vulcanization agent, 0.5-5 parts of coupling agent, 4-20 parts of antiager, 4-30 parts of softener and 80-250 parts of inflaming retarding filling agent. In the invention, the halogen-free material is adopted, thick smoke, corrosive halogenide gas and other harmful substances are not generated in the process of burning; the cable sheath of the invention features excellent elasticity and tenacity, not only has obvious inflaming retarding effect, but also improves heat-resisting and anti-aging properties, can resist high temperature, and has high mechanical strength and wide application range; in addition, the production process is easy and is convenient for rubber-producing enterprises to achieve self-sufficiency.

The invention relates to a formula of a rubber sole material and an improvement of the preparation method of the rubber sole material. The wear-resisting sole material comprises the following components by weight percent: 50-60% of natural rubber 3L, 3-5% of accelerator, 40-45% of filler, 1-1.5% of hardener and 1.5-2% of vulcanizing agent, wherein the hardener is high styrene; and the acceleratoris the mixture of inorganic accelerator, polyethylene glycol, stearic acid, antioxidant and tackifier and the accelerator also contains organic accelerator which is perferably selected from accelerator D, accelerator M and accelerator DM. The sole material of the invention is prepared from good natural rubber by adding the accelerator with various functions; and the sole prepared from the material has light weight, good wear resistance, water resistance and good heat retention property and is suitable to be used as the sole of the shoe with high wear strength such as tennis shoe and outdoor sneaker.

The present invention relates to a double-component platinum catalyst curing agent. It includes agent A and agent B which can be uniformly mixed when they are used, in which the agent A is mixture of vinyl raw rubber, gas phase white carbon black and platinum complex, and the agent B is mixture of vinyl raw rubber, gas phase white carbon black, silicon oil whose end contains hydrogen and inhibitor. When the agent A and agent B are mixed, their mass ratio is agent A: agent B = (0.8-1.0)(1.0-1.5). Said invention also provides the preparation method of said double-component platinum catalyst curing agent.

The invention relates to the technical fields of a vulcanizing agent and a preparation technology of the vulcanizing agent, particularly to a novel platinum vulcanizing agent and a preparation technology thereof. The novel platinum vulcanizing agent comprises a component A and a component B which are respectively added while in use, wherein the component A is the mixture of methyl vinylsiloxane rubber and a 1,3-divinyltetramethyldisiloxane platinum complex compound; the component B is the mixture of methyl hydrogen polysiloxane, gas phase silicon dioxide and an inhibitor. Compared with the prior art, the novel platinum vulcanizing agent disclosed by the invention uses the methyl vinylsiloxane rubber as a carrier, and under the existence of a platinum catalyst, vinyl double bonds and the methyl hydrogen polysiloxane are liable to generate a silicon hydrogen addition reaction, so that the purpose of cross-linking vulcanization is realized; the gas phase silicon dioxide is added for adjusting the hardness of vulcanization products, the vulcanization speed is high and is 1/3-1/2 higher than the vulcanization speed of the conventional platinum vulcanizing agent, and the production efficiency is improved; the vulcanization temperature is 10%-30% lower than that of the conventional platinum vulcanizing agent, and the purposes of energy conversation and environmental protection are achieved; the addition proportion is 30%-50% lower than that of the conventional platinum vulcanizing agent, and the production cost is reduced; the inhibitor is used, the storage time is greatly prolonged, and the storage time can reach 20-48h; in addition, the hygiene grade and the environmental protection grade are high, and the preparation technology is simple.

The invention relates to the technical field of high-molecular materials, and provides a mico-crosslinking thermoplastic elastomer and a preparation method thereof. The mico-crosslinking thermoplastic elastomer comprises the following components: a styrene type thermoplastic elastomer, synthetic rubber, white mineral oil, a foaming agent, a crosslinking agent, an antioxidant, a light stabilizer, zinc oxide, zinc stearate, abrasion-resistant agent and nano calcium carbonate. The preparation method comprises the following steps: placing the component materials into an internal mixer, and carrying out internal mixing for 10-15 minutes; controlling discharge temperature at 130-135 DEG C; then pressing into a uniform flaky shape by virtue of a double-roller open mill for discharge; finally cutting a material into a specified dimension, placing into a large-flake vulcanizing machine, carrying out vulcanizing forming, and controlling vulcanizing temperature at 170-175 DEG C and vulcanizing time at 180-350 seconds so as to obtain the mico-crosslinking thermoplastic elastomer. The mico-crosslinking thermoplastic elastomer disclosed by the invention has the characteristics of low density, high abrasion resistance, uniformity in froth, good low temperature flexibility, dimensional stability and the like.

The invention relates to the technical field of polymer materials, and particularly relates to non-conducting rubber applied to power cable accessories and a preparation method of the non-conducting rubber. The non-conducting rubber comprises the following raw materials by mass percent: 60-80% of methyl vinyl silicone rubber, 0.2-5% of diphenyl silanediol, 1-5% of methyl silicone oil, 10-20% of silicon dioxide, 5-15% of titanium dioxide, 0.3-2% of light stabilizer, 0.1-2% of platinum vulcanizing agent, and 1-5% of pigment. The non-conducting rubber is mainly applied to 10-35kV of separable shielding cable accessories, not only has high insulation resistance and excellent electrical property, but also does not lose the elasticity when being continuously used at -100 DEG C to 180 DEG C, displays excellent deformation property, and simultaneously has good thermal conductivity and hydrophobicity and excellent mechanical property.

The invention relates to degradable highly-elastic sponge and a preparation technology thereof. The degradable highly-elastic sponge and the preparation technology thereof have the advantages that thedegradable highly-elastic sponge is made of green, natural and healthy materials according to the environment-friendly preparation technology, harmless to human bodies and capable of avoiding resource waste and environment pollution, and its mechanical properties including rebound resilience and compression set value are in compliance with the international standards; through adoption of recyclable pineapple fibers, resource waste is reduced and physical properties of low-density sponge with natural latex matrixes are improved to comply with the international standards; sodium alcohol ether sulphate and sodium lauryl sulfate which serve as foaming agents substitute for traditional pollutional ones to further avoid pollution; the high-performance low-density sponge with the excellent mechanical properties can be produced at a low preparation cost; the preparation technology is safe, simple and environment friendly.

The invention discloses an antiskid wear-resistant sole material which comprises 15-20% of natural 3L rubber, 10-20% of butyl rubber, 10-15% of styrene butadiene rubber, 5-10% of short fiber, 10-15% of carbon black, 10-15% of white carbon black (SiO2), 1-2% of stearic acid (SA), 2-3% of paraffin oil, 2-3% of bis-silane tetrasulfide (Si-69), 3-6% of sulfur (S), 1-2% of an active agent, 0.5-0.7% of an antioxidant, 3-5% of zinc oxide (ZnO), 0.3-0.5% of magnesium oxide, 1-2% of an accelerant and 1-3% of a filler. According to the antiskid wear-resistant sole material disclosed by the invention, the antiskid coefficient of the sole is improved, the loss index of the obtained material is low, and the abrasion property and tear resistance are strong. The antiskid wear-resistant sole material has relatively good wear resistance and puncture resistance, improves the comfort and safety of the mountain climbing fitness exercise, prolongs the service life of shoes to a certain degree, and has a broad market application prospect.

The invention discloses rubber for sports shoe soles. The rubber for the sports shoe soles comprises the following components in parts by mass: 30-70 parts of butadiene rubber, 20-40 parts of naturalrubber, 15-30 parts of brominated butyl rubber, 10-20 parts of solution-polymerized styrene-butadiene rubber, 5-10 parts of glass fiber, 2-5 parts of polyethylene glycol, 0.5-2 parts of zinc stearate,2-5 parts of zinc oxide powder, 2.5-4 parts of a vulcanizing agent, 1.5-2.5 parts of an accelerator, 30-50 parts of white carbon black, 3-4.5 parts of a silane coupling agent, 4-7 parts of a homogenizing agent, 2-5 parts of softening oil, 1-3 parts of an anti-aging agent and 0.5-1 part of paraffin. The invention further provides a preparation method of the rubber for the sports shoe soles. Rubbershoe soles for sports shoes, prepared according to the technical scheme adopted by the invention, have many properties such as super wear resistance, good folding resistance and anti-slip performance; the preparation method is simple in production process and is suitable for wide application.

The invention relates to a low smell EPDM (ethylene propylene diene monomer) for an automobile wire harness and a preparation method thereof. The EPDM is prepared by the method of: (1) firstly addingEPDM into an open mill, then adding zinc oxide, stearic acid and an antioxidant RD in order, mixing the substances evenly, then further adding carbon black and paraffin oil, mixing the substances evenly, finally adding an environment-friendly accelerator and sulfur, and conducting mixing to obtain mixed compound; (2) placing the mixed compound in a die and conducting primary vulcanization to obtain a section of vulcanized EPDM; and (3) taking out the section of vulcanized EPDM for secondary vulcanization, thus obtaining the target product EPDM. Compared with the prior art, the low smell EPDM provided by the invention meets the characteristics of rubber itself in the aspects of strength, compression set and the like, at the same time also can meet the requirements of low emission and low smell, also takes into account the low pollution characteristic, and is especially suitable for making automobile parts and the like.

The invention relates to oil-resistant conveying belt covering rubber prepared from the following raw materials in parts by weight: 100 parts of butadiene-acrylonitrile rubber, 1-2 parts of a promoter, 1-2 parts of a vulcanizing agent, 4-6 parts of a vulcanization activator, 5-8 parts of a plasticizer, 8-12 parts of a softening agent, 20-60 parts of reinforcing filler, 12-18 parts of a filling agent and 2-4 parts of an anti-aging agent. The preparation method comprises the following steps: (1) plasticating the 100 parts of butadiene-acrylonitrile rubber in an open mill; (2) putting a plasticated rubber material into an internal mixer, sequentially adding the reinforcing filler, the vulcanization activator, the plasticizer and the anti-aging agent with the weight parts, stirring for a period of time, then adding the softening agent and the filling agent, continuously stirring, finally adding the vulcanizing agent and the promoter, and uniformly stirring to obtain mixed rubber; and (3) performing rubber sheet extrusion on the mixed rubber material by virtue of the open mill to obtain the oil-resistant conveying belt covering rubber. The oil-resistant conveying belt covering rubber disclosed by the invention adopts the butadiene-acrylonitrile rubber as a main raw material; and by adding reasonable compounding agents into the butadiene-acrylonitrile rubber, the oil resistance of the covering rubber can be effectively improved, and the service life of a conveying belt can be prolonged.

The invention discloses butadiene-acrylonitrile rubber used in a low-temperature vulcanized high-performance screw pump stator and a preparation method thereof. The rubber is prepared from, by mass, 100 parts of butadiene-acrylonitrile rubber bodies, 60 parts of N330 high-abrasion-resistance carbon black, 5 parts of nano-zinc oxide, 2 parts of gamma-amine propyle triethoxysilane (KH550), 1 part of stearic acid, 1 part of 4010 anti-aging agents, 1.5 parts of sulphur, 2.5 parts of accelerant-DM, 0.25 part of accelerant-TMTD, 0.15 part of accelerant-MgO and 2 parts of phthalic acid dioctylterephthalate (DOP). The butadiene-acrylonitrile rubber bodies, the sulphur, the stearic acid, the nano-zinc oxide, the gamma-amine propyle triethoxysilane, the 4010 anti-aging agents, the N330 high-abrasion-resistance carbon black, the phthalic acid dioctylterephthalate (DOP) and a mixture of the DM, the TMTD and the MgO are added in sequence, and slab vulcanization is conducted on a rubber compound according to the set vulcanizing temperature and the measured vulcanizing time. The preparation method is simple in process, high in production efficiency and capable of saving energy and reducing consumption, and the obtained vulcanized rubber is excellent in swelling resistance and abrasion resistance.

The invention provides a sports shoe sole material and a preparation method thereof, and relates to the field of shoe materials. The sports shoe sole material includes the following raw materials in parts by weight: butadiene rubber, natural rubber, brominated butyl rubber, styrene-butadiene rubber, and isoprene rubber , silicone rubber, polyurethane rubber, silica, paraffin oil, activator, sulfur, accelerator, tackifier, zinc stearate, light stabilizer, plasticizer and anti-aging agent. The preparation method comprises the following steps: (1) weighing raw materials, (2) masticating, kneading, mixing, cutting into pieces, and molding. The invention solves the problems of heavy weight, low elasticity, poor adhesiveness and poor aging resistance of existing sports shoe sole materials.

The invention discloses a rubber crawler belt for an excavator, belonging to the technical field of rubber crawler belts. The rubber crawler belt comprises the following raw materials by weight: 50 to 60 parts of isoprene rubber, 20 to 25 parts of butadiene-acrylonitrile rubber, 15 to 18 parts of butadiene rubber, 10 to 15 parts of silicone rubber, 1 to 2 parts of paraffin, 5 to 8 parts of zinc oxide, 2 to 4 parts of stearic acid, 32 to 35 parts of silica-alumina carbon black, 1 to 2 parts of sulfur, 13 to 16 parts of plant oil, 1 to 2 parts of an anti-scorching agent, 1 to 3 parts of a promoter, 0.2 to 0.6 part of an anti-oxidant and 0.5 to 1 part of a plasticizer. The invention also discloses a preparation method for the rubber crawler belt. The rubber crawler belt provided by the invention has good physical properties and can meet demands on usage in severe environments.

The invention discloses an oil-resistant rubber material without free-state sulfur, and relates to a rubber material. Adopted matrix rubber is mixed rubber of nitrile rubber (N41) and rubber alloy (N7030), an adopted sulfuration system is sulfur-carrier thiuram (TMTD or TRA) sulfuration agents without elemental sulfur, adopted sulfuration accelerators are sulfenamide (CZ) or thiazoles (DM), adopted anti-aging agents are amine (RD and 4010NA) anti-aging agents, adopted fillers are one or two kinds of CaCO3, talcum powder and spraying carbon black, adopted reinforcing agents are a mixture of N330, N550 and N774, adopted plasticizers are ester plasticizers (DOS), and a binding system is a mixture of novel binding agents (AS-88) and white carbon black (WCB). According to the oil-resistant rubber material, as sulfur carriers are used as the sulfuration agents, the prepared rubber material is good in oil resistance, does not contain the free-state sulfur, and is more environmentally friendly accordingly, and various properties can meet the national oil resistant rubber pipe standard.

The invention discloses a rubber plastic material for an elevator and a preparation method thereof. The rubber plastic material for the elevator is prepared from the following raw materials in parts by weight: 40-50 parts of natural rubber, 60-75 parts of butadiene styrene rubber, 5-15 parts of high styrene resin, 10-15 parts of dioctyl sebacate, 6-12 parts of phenolic resin, 5-13 parts of argil, 8-15 parts of medical stone, 10-14 parts of carbon black, 15-20 parts of zinc oxide, 10-15 parts of sulfur, 10-14 parts of a vulcanization accelerator, 12-15 parts of stearic acid, 13-16 parts of boric acid, 15-18 parts of a crosslinking agent and 15-21 parts of a surfactant. The rubber plastic material for the elevator has excellent abrasion resistance, comprehensive mechanical properties and good low temperature performance.

The invention provides an epoxidized natural rubber composite material with a self-repairing function and a preparation method thereof, which belong to the technical field of composite materials. Theepoxidized natural rubber composite material comprises the following components in parts by mass: 100 parts of an epoxidized natural rubber matrix, 1-3 parts of dicumyl peroxide, 1-40 parts of polyurethane, 1-2 parts of an anti-aging agent and 0.5-1 part of an ultraviolet light absorber. According to the preparation method, UPy grafted polyurethane is synthesized firstly, then the UPy grafted polyurethane is reacted with a rubber molecular chain to prepare the composite material with the self-repairing function, the prepared composite material can achieve self-repairing under the condition that the complete end is broken, meanwhile, good strength and stability are achieved, and the preparation method is simple and low in cost.

The invention provides a shoe sole suitable for running and a preparation method thereof, and relates to the technical field of shoe soles. The shoe sole suitable for running includes the following raw materials by weight: nitrile rubber, brominated butyl rubber, nano silicon dioxide, chlorinated polyethylene , polyethylene wax, magnesium oxide, nano zinc oxide, sulfur, quartz glass fiber, polyvinyl formal fiber, boron fiber, polyamide fiber, vulcanization accelerator, plasticizer, antioxidant, white smoke activator, coupling agent, softener, light stabilizer and heat stabilizer. The preparation method comprises the following steps: (1) weighing raw materials, (2) adding into an internal mixer, (3) adding into a double-roller open mill, and (4) vulcanizing and forming. The invention solves the problem that the existing soles do not have the properties of anti-skid, high compressive strength, flexural strength, good toughness and light weight.

The invention belongs to the field of material preparation, and particularly relates to a preparation method of a large-area molybdenum disulfide film. According to the method, a confinement space method is adopted, a magnetron sputtering method and a chemical vapor deposition method are combined, and reaction parameters are optimized to obtain a large-area MoS2 film material. The film obtained on the basis of a two-step method has the characteristics of large area, good uniformity, strong controllability, good crystallinity and the like, and the method is simple to operate, short in time consumption and capable of being produced and applied on a large scale.

The invention relates to an adhesive for lining hard rubber, in particular to an adhesive for hot water-cured lining hard rubber, which is a mixture of components A and B in a weight part ratio of 4:1. The component A comprises 100 parts of natural rubber, 1 to 3 parts of pigment, 20 to 40 parts of sulfur, 50 to 150 parts of zinc oxide, 15 to 40 parts of tackifying resin, 1 to 3 parts of accelerator DM1, 2 to 5 parts of mixed oil 933 and 400 to 700 parts of mixed solvent, wherein the mixed solvent is 2 or 3 of toluene, dimethylbenzene and gasoline. The component B comprises solution of polyisocyanate. Before use, the component B is added into the component A, the components are mixed uniformly (for at least 1 minute), and the adhesive for brushing can be obtained. The adhesive is applicable to hot water-cured lining hard rubber and has big adhesion force.

The invention discloses a preparation method of a high-quality copper-zinc-tin sulphur semiconductor film. The method comprises the following steps: through a vacuum heating evaporation mode, sequentially placing high-purity copper, zinc and tin, which are respectively put in different tungsten boats or molybdenum boats on a substrate which is heated to 20-200 DEG C, so as to obtain a metal film precursor; and then obtaining a high-quality copper-zinc-tin sulphur film by vulcanizing the metal film precursor. Adhesion of a precursor metal layer on the substrate and chemical combination among three elements are affected by changing the temperature of the substrate, so that the vulcanization efficiency is increased, and preparation of the high-quality copper-zinc-tin sulphur semiconductor film is achieved. The equipment disclosed by the invention is relatively simple, and easy to operate; the prepared film is high in purity, good in quality, high in film-forming rate, and high in efficiency; and the problems that impurities are formed at the vulcanization stage in the prior art to cause influence on film quality, long vulcanization time and high vulcanization temperature are solved.