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37results about How to "Easy extrusion processing" patented technology

Highly wear-resistant elastomer sole material and preparation method thereof

The present invention discloses a highly wear-resistant elastomer sole material, which comprises the following raw materials: a SBS rubber elastomer, a softening plasticizer, a thermoplastic polyurethane elastomer, a polyolefin elastomer, ethylene propylene diene monomer, a polystyrene resin, a styrene-butadiene rubber, a filler, an antioxidant, a light stabilizer and a processing aid. The invention further discloses a preparation method of the highly wear-resistant elastomer sole material. According to the present invention, the formula of the highly wear-resistant elastomer sole material is reasonable, the thermoplastic elastomer SBS is adopted as the substrate, and the highly wear-resistant elastomer sole material has advantages of high elasticity, high wear resistance, low compression deformation, weather resistance, low temperature resistance, excellent mechanical property, extremely easy extrusion processing molding, and the like; and the preparation method has characteristics of simple process, easy achieving and high production efficiency, and can quickly produce the highly wear-resistant elastomer sole material product, and the product can be widely used in the fields of sports shoes and casual shoes.
Owner:DONGGUAN JISU PLASTIC TECH

Low smoke zero halogen flame retardant sheath layer for optical cable

ActiveCN102977451ASolve the technical problem of outer diameter fluctuationReduced filling capacityFibre mechanical structuresAluminium hydroxideCarvacryl acetate
The invention discloses a low smoke zero halogen flame retardant sheath layer for an optical cable, wherein the optical cable comprises an optical cable core and a low smoke zero halogen flame retardant sheath layer covering the outer surface of the optical cable, and the low smoke zero halogen flame retardant sheath layer is composed of the following components in parts by weight: 65-75 parts of ethylene-vinyl acetate copolymer, 20-30 parts of high-pressure metallocene polyethylene, 10-20 parts of special modified polyethylene, 70-110 parts of aluminium hydroxide, 20-30 parts of magnesium hydroxide, 2-5 parts of silicone master batch, 1-3 parts of polyethylene wax, 30-50 parts of flowable agent, 0.15-0.45 parts of antioxidant and 2-5 parts of black master batch. The low smoke zero halogen flame retardant sheath layer for the optical cable enables the outer diameter of the optical cable to be even, thereby guaranteeing the shrinkage integrity of the optical cable core; as a result, signals can not be greatly attenuated in the transmission process in the cable; and simultaneously, the tensile strength of the cable is greater than or equal to 13 MPa, while the elongation at break is greater than or equal to 250% and the oxygen index is greater than or equal to 34%; and the cable has excellent mechanical properties.
Owner:JIANGSU HENGTONG WIRE & CABLE TECH +1

Door and window edge banding material based on thermoplastic elastomer SEBS (styrene-ethylene-butadiene-styrene copolymer) and preparation method thereof

The invention discloses a door and window edge banding material based on thermoplastic elastomer SEBS (styrene-ethylene-butadiene-styrene copolymer), and the door and window edge banding material comprises the following components: SEBS rubber resin, a softening plasticizer, a polyolefin elastomer, ethylene-propylene-diene monomer, polypropylene resin, a vulcanizing agent system, an antioxidant, a light stabilizer and a processing aid. The invention also discloses a preparation method of the door and window edge banding material. The door and window edge banding material based on the thermoplastic elastomer SEBS has the advantages of being halogen-free, high temperature and low compression deformation resistant, weather-proof, low temperature resistant, excellent in mechanical properties, easy to extrude to form, long in service life and the like. Door and window edge banding material products based on the thermoplastic elastomer SEBS can be quickly prepared by the preparation method, the products can be widely used in high-grade building door and window edge bandings, automobile door and window edge bandings and other fields, and the process steps are simple, and easy to implement.
Owner:DONGGUAN JISU PLASTIC TECH

Anti-blocking low smoke zero halogen flame-retardant cable material for optical cable

The invention discloses an anti-blocking low smoke zero halogen flame-retardant cable material for an optical cable. The anti-blocking low smoke zero halogen flame-retardant cable material comprises the following components in parts by weight: 65-75 parts of ethylene-vinyl acetate copolymer, 20-30 parts of high pressure metallocene polyethylene, 10-20 parts of modified polyethylene, 70-110 parts of aluminum hydroxide, 20-30 parts of magnesium hydroxide, 2-5 parts of silicone master batch, 1-3 parts of polyethylene wax, 30-50 parts of flowable agent, 0.15-0.45 part of antioxidant, and 2-5 parts of black master batch, wherein the content of VA in the ethylene-vinyl acetate copolymer is 20-28%, the melt index of 2.16Kg of high pressure metallocene polyethylene at 190DEG C is less than or equal to 3g / 10min, the density is less than 0.92g / cm<3>. By adopting the anti-blocking low smoke zero halogen flame-retardant cable material, the outer diameter of the optical cable is uniform, so that the shrinkage integrity of the core of the optical cable is guaranteed, the signal transmitted in the optical cable is not attenuated sharply; and in addition, the tensile strength of the cable is greater than or equal to 13MPa, the elongation at break is greater than or equal to 250%, the oxygen index is greater than or equal to 34%, and the cable has excellent mechanical property.
Owner:JIANGSU HENGTONG WIRE & CABLE TECH +1

Architectural high-insulativity low-smoke halogen-free flame-retardant cable material and preparation method thereof

The invention relates to an architectural high-insulativity low-smoke halogen-free flame-retardant cable material which is prepared from the following raw materials in parts by weight: 0.9-1.1 parts of hollow glass microsphere, 1-1.5 parts of silane coupling agent KH-550, 0.5-1 part of molybdenum disulfide, 20-25 parts of magnesium hydroxide, 20-25 parts of aluminum hydroxide, 9-10 parts of polyacrylonitrile, 6-7 parts of polylactic acid, 3-4 parts of polyoxyethylene, a right amount of dimethylformamide, a right amount of double solvent composed of dimethylformamide and dichloromethane in a volume ratio of 1:1, a right amount of methyl methacrylate, a right amount of isopropyl thioxanthene ketone, 50-55 parts of crosslinked polyethylene and 4-5 parts of metallocene polyethylene. The hollow glass microsphere enhances the insulativity, heat resistance and lubricating property of the cable material, so that the cable material can be extruded and processed more easily. The silane coupling agent KH-550 is added to enhance the binding force between the hollow glass microsphere and resin. The technique solves the problem of the phenomenon of agglomeration due to nonuniform dispersion of the inorganic filler.
Owner:力拓电力合金电缆股份有限公司

Pressure storage and water drainage structure of aluminium window

InactiveCN102966294AImprove water tightnessTaking into account the airtight functionCondensed water drain-offWater storageEngineering
The invention provides a pressure storage and water drainage structure of an aluminium window. An inner water storage cavity and an outer water storage cavity which have high-water level water storage functions are respectively formed along two side tracks on a lower beam of a bidirectional horizontal pull-type aluminium window, water guide holes are formed in different positions in the inner water storage cavity and the outer water storage cavity, rainwater which is permeateding into the water storage cavities or inner channels areis guided into a water drainage cavity below the outer part of an aluminium window chamber through the water guide holes, and the indoor and outdoor pressure balancing principle is utilized to discharge the rainwater out of the chamber; and the design and formed staggering water drainage channels are utilized, the higher outdoor wind pressure can be born except the indoor wind pressure can be relieved, and furthermore, the high water tightness and resistance to long-time high wind pressure can be realized. In addition, separating type tracks are utilized to be combined above the water storage cavities, the aluminium window can be conveniently extruded and processed, the damage during the installation and construction of the aluminium window can be avoided, and replace of users can be facilitatedconveniently change.
Owner:毅鑫实业股份有限公司

High insulation resistance refractory ceramic rubber for heating cable and preparing method thereof

The invention discloses high insulation resistance refractory ceramic rubber for a heating cable and a preparing method thereof. The ceramic rubber is mainly prepared from, by weight, 40-45 parts of silicone rubber, 20-25 pars of ceramic powder, 15-20 parts of glass powder, 5-10 parts of quartz powder, 8-10 parts of mica powder, 5-10 parts of vapor phase method white carbon black, 0.5-1 part of coupling agent, 2-5 parts of softening agent and 0.8-1 part of 2,5-dimethyl-2,5-di(tert-butylperoxy)hexane. The preparing method comprises the steps of placing the raw materials in a rubber mixing mill for mixing, wherein mixing temperature is controlled to be 50-60 DEG C, and mixing time is 15-20 min; then conducting filtration with a rubber filter to obtain the required ceramic rubber, wherein the rubber filter is provided with three layers of filter nets, which are the 20-mesh filter net, the 40-mesh filter net and the 60-mesh filter net from inside to outside in sequence. The ceramic rubber has the advantages of being high in insulation resistance refractory property, good in dampproof insulation effect and long in service life. The operating temperature of the heating cable with the ceramic rubber as an insulating layer can reach 600 DEG C, dampproof insulation effect is good, safety performance is high, and breakdown of the cable can not be caused even if an outer sheath is abraded or soaked.
Owner:沈兴线缆集团有限公司 +2

Light-heavy rare-earth composite reinforced heat-resistant magnesium alloy and preparation method thereof

The invention relates to a light-heavy rare-earth composite reinforced heat-resistant magnesium alloy and a preparation method thereof, and belongs to the technical field of non-ferrous metal materials and processing thereof. The light-heavy rare-earth composite reinforced heat-resistant magnesium alloy solves the technical problem that the high-temperature mechanical property of a magnesium alloyin the prior art is poor, and improves the thermal performance, the mechanical property and the stability of the rare-earth magnesium alloy. The magnesium alloy disclosed by the invention comprises the following components of 7.0-9.0wt% of Gd, greater than 0% and less than or equal to 1.5wt% of Ce, 1-1.5wt% of Zn, 0.4-0.6wt% of Zr and the balance Mg and inevitable impurity elements. The magnesiumalloy has high strength and excellent heat resistance, after being detected, and the performance can reach the following standards that at a room temperature of 25 DEG C, the tensile strength is 395MPa, the yield strength is 366 MPa, and the elongation percentage is 9.5%, at 200 DEG C, the tensile strength is 365 MPa, the yield strength is 328 MPa, and the elongation percentage is 7.5%, and at 250 DEG C, the tensile strength is 354 MPa, the yield strength is 322 MPa, and the elongation percentage is 10.5%.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI

Preparing method for automobile air conditioner pipe

The invention discloses a preparing method for an automobile air conditioner pipe. The preparing method is simple and easy to implement. The prepared automobile air conditioner pipe has good corrosion resistance, and the service life of the automobile air conditioner pipe is prolonged.
Owner:苏州富艾姆工业设备有限公司

High-strength heat-resisting wrought magnesium alloy and preparation method thereof

The invention relates to a high-strength heat-resisting wrought magnesium alloy and a preparation method thereof, and belongs to the technical field of nonferrous materials and processing thereof. Thetechnical problem that the high-temperature mechanical property of magnesium alloys in the prior art is poor is solved, and the heat property, the mechanical property and stability of the rare-earthmagnesium alloy are improved. The magnesium alloy comprises 7.0-9.0wt% of Gd, Yb being larger than 0 and smaller than or equal to 4wt%, 1.0-1.5wt% of Zn, 0.4-0.6wt% of Zr and the balance Mg and inevitable impurity elements. The magnesium alloy has high strength and the excellent heat resistance; and through detecting, the property can achieve the conditions that the yield strength under room temperature is larger than 380 MPa and the yield strength under the temperature being 250 DEG C can keep being about 300 MPa. The high-strength heat-resisting wrought magnesium alloy is expected to be usedon force bearing structure components with the service temperature higher than 250 DEG C.
Owner:CHANGCHUN INST OF APPLIED CHEMISTRY - CHINESE ACAD OF SCI

Biodegradable composite material and preparation method thereof

The invention discloses a biodegradable composite material and a preparation method thereof. The composite material comprises the following components in parts by weight: 70-80 parts of polylactic acid, 10-15 parts of starch, 2-8 parts of 50-to-100-mesh bamboo charcoal powder, 1-5 parts of 200-to-300-mesh bamboo charcoal powder, 3-10 parts of a coupling agent, 5-10 parts of a modifier, 1-5 parts of ammonium polyphosphate, 5-15 parts of melamine and 5-10 parts of polyethylene glycol. The composite material prepared in the invention has excellent degradation performance and flame retardance.
Owner:SOUTHWEAT UNIV OF SCI & TECH +1

Low-viscosity, low-smoke and flame-retardant high-speed elevator balance compensating chain PVC sheath material and preparation method thereof

The invention provides a formula of a low-viscosity, low-smoke and flame-retardant high-speed elevator balance compensating chain PVC sheath material, which is adapted to a rapid moulding technology and meets an environment-friendly requirement, and a preparation method thereof. The raw material formula of the low-viscosity, low-smoke and flame-retardant high-speed elevator balance compensating chain PVC sheath material comprises the following components in parts by weight: 100-150 parts of PVC resin, 60-120 parts of a plasticizer, 4-8 parts of a stabilizer, 2-8 parts of a lubricant, 30-60 parts of a flame retardant, 5-15 parts of a smoke suppressant, 5-20 parts of a viscosity reducer and 0.3-1.0 part of a pigment. The preparation method comprises the following steps: mixing the PVC resin to 70-80 DEG C in a kneading machine, then adding a certain amount of an auxiliary agent, continuing mixing, and discharging after the temperature of a mixed material reaches 85-95 DEG C; sending the mixed material into a cooling stirrer, and cooling to 40-50 DEG C; finally, placing in a conical twin-screw extruder, and performing extrusion granulation at the extruding temperature of 130-170 DEG C to obtain a low-viscosity, low-smoke and flame-retardant elastic PVC material. The special low-viscosity, low-smoke and flame-retardant high-speed elevator balance compensating chain PVC sheath material prepared by the preparation method provided by the invention can be applied to the rapid moulding technology of an elevator balance compensating chain sheath, has relatively good appearance, high toughness, high heat aging resistance and high heat stability, and has low viscosity, low smoke performance and flame retardance.
Owner:CHANGZHOU UNIV

Beverage production device

The invention discloses a beverage production device, which comprises a processing barrel; a mounting frame is mounted outside the processing barrel; a processing oil cylinder is fixedly connected to the bottom of the inner side of the mounting frame; a processing block is rotationally connected to one end of the bottom of the processing oil cylinder; a side cutting device, a gathering and stacking device and an air charging device are installed outside the processing block; the side cutting device is provided with a base plate; a guide plate is mounted at the bottom of the base plate through an elastic plate; the gathering and stacking device is provided with a swinging plate; the radian of the swinging plate is the same as that of the inner wall of the processing barrel; and the air charging device is provided with an air charging hole. The invention relates to the technical field of beverage preparation. According to the beverage production device, the purpose of gathering and stacking raw materials in the processing process is achieved; the problem that the processing frequency is reduced due to the fact that the raw materials are easily extruded to corners is solved; the processing direction and mode are increased; the beverage processing efficiency is improved; the raw materials can be prevented from being attached to the inner wall of the device; and the utilization rate of the raw materials is improved.
Owner:广东焕然生物科技有限公司

Degradable polypropylene wood-plastic composite modified material

The invention belongs to the technical field of high polymer materials, and relates to a degradable polypropylene wood-plastic composite modified material which comprises wood flour, polypropylene, glass fibers, zinc stearate, vinyl bis stearamide, a compatilizer and polyethylene wax. The wood-plastic composite material is reinforced by adopting the glass fibers, and the glass fibers are compounded with the wood flour and the polypropylene under the action of the auxiliaries, so that the wood-plastic composite material has higher impact strength, and the impact resistance of the composite material is guaranteed.
Owner:台州市森力塑胶有限公司

Halogen-free flame-retardant thermoplastic polyurethane elastomer and preparation method thereof

The invention provides a halogen-free flame-retardant thermoplastic polyurethane elastomer and a preparation method thereof. The thermoplastic polyurethane elastomer is mainly composed of the following components in parts by weight: 100 parts of a thermoplastic polyurethane polymer, 10-30 parts of long-chain alkyl benzimidazole and 2-10 parts of a layered silicate filler, wherein the structural formula of the long-chain alkyl benzimidazole is as shown in the specification, and n in the structural formula is equal to 12. The preparation method comprises the following steps: with the thermoplastic polyurethane polymer, the long-chain alkyl benzimidazole and the layered silicate filler as main raw materials, carrying out mixing and then performing extruding with a double-screw extruder, wherein the extrusion temperature of the double-screw extruder is 150-220 DEG C, and the screw speed of the double-screw extruder is 150-300r / min. The method disclosed by the invention is simple; and the prepared halogen-free flame-retardant thermoplastic polyurethane elastomer has tensile strength of 30-45 Mpa, a flame-retardant grade of V0, and an extrusion processing window of greater than or equalto + / - 20 DEG C.
Owner:浙江益弹新材料科技有限公司

Metallic foil film processing device with hot pressing function

The invention discloses a metallic foil film processing device with a hot pressing function and relates to the technical field of plastic processing. The metallic foil film processing device with the hot pressing function comprises a base, wherein a controller is fixedly mounted on the right side of the top of the base; two brackets are fixedly mounted at the top of the base and located on the left side of the controller; a cross rod is fixedly mounted at the tops of the brackets; a vertical rod is fixedly mounted at the bottom of the cross rod and located between the two brackets; the bottom of the vertical rod is movably connected with a pulley through a rotating shaft. According to the metallic foil film processing device with the hot pressing function, a metallic foil film is extruded by improving a box body, so that the metallic foil film processing is convenient, convenience is brought to a user, the processing time of the metallic foil film is saved, and meanwhile, the processing quality of the metallic foil film is improved.
Owner:WUXI QIANTAI METAL COMPONENTS FACTORY

Shower capable of spraying bath foam

The invention relates to a shower capable of spraying the bath foam. The shower comprises a storage rack, a water inlet pipeline and a shower head, the storage rack comprises a first pipeline and a second pipeline, the second pipeline sequentially comprises an air suction backflow prevention device, a mixing pipe and a spiral coil pipe, and the water inlet pipeline conveys clean water to the shower head through the first pipeline; the water inlet pipeline conveys bubble water containing bath foam to the shower head through the second pipeline; the shower has the advantages that the second pipeline is provided with the air suction anti-backflow device, the mixing pipe and the spiral coil pipe, the retention time of water, air and bath foam in the spiral coil pipe is prolonged through mixing of the spiral coil pipe and by means of the spiral characteristic of the spiral coil pipe, so that the water, the air and bath foam are mixed into bubble water more evenly; and then the uniformly mixed sparkling water is directly sprayed out from the shower head, the sparkling water is rich, fine and smooth in foam and comfortable in body feeling, and the embarrassment that bathing products cannot be uniformly smeared on the whole body of people in the bathing process is solved.
Owner:ZHEJIANG KAIYUE PLASTIC IND CO LTD

Low-smoke, halogen-free and highly-flame-retardant oxygen barrier layer cable material for medium-voltage cables

The invention discloses a low-smoke, halogen-free and highly-flame-retardant oxygen barrier layer cable material for medium-voltage cables. The cable material comprises, by mass, 20-24 parts of ethylene-vinyl acetate resin, 0.4 part of a coupling agent, 20 parts of magnesium hydroxide, 48-50 parts of aluminum hydroxide, 1.5-2 parts of silicone rubber, 1-2 parts of carbon black, 5-6 parts of a graft copolymer and 0.2-0.3 part of an antioxidant. The low-smoke halogen-free high flame-retardant oxygen barrier layer cable material uses the ethylene-vinyl acetate resin with a vinyl acetate content reaching up to 40%, so the coverage on a flame-retardant powder is improved, and the mechanical properties of the material are improved, thereby large-batch processing in factories can be easily realized; the selected ethylene-vinyl acetate resin with the high vinyl acetate content and the flame-retardant powder are blended and copolymerized to improve the flame retardant performance of the layer;and the oxygen index of the halogen-free oxygen barrier layer material is increased to 58%, the category A beam combustion of the medium-voltage cables is completely solved, the smoke density of the cables during combustion is reduced, and the light transmittance is significantly increased to 62%.
Owner:江苏馨德高分子材料股份有限公司

Fish feed processing and treating device capable of reducing nutrition loss through pressure change

The invention relates to the technical field of feed production equipment, and discloses a fish feed processing and treating device capable of reducing nutrition loss through pressure change. The fishfeed processing and treating device comprises a feeding bin and a discharging bin, wherein a driving power supply device is connected to the middle part of the top of an inner cavity of the feeding bin in a penetrating manner; a limiting rotating device is welded to one end of the bottom of an output shaft of the driving power supply device; a driving rod is welded to one end of the bottom of thelimiting rotating device; one end of the bottom of the driving rod is welded to the middle part of the top of a first classifying frame; and the bottom of the first classifying frame is welded to thetop of a lifting and pressing device. The fish feed processing and treating device capable of reducing nutrition loss through pressure change disclosed by the invention, through the lifting and pressing device, lifting and pressing treatment can be performed on products; when fed materials enter an extruding device, according to the quantity of the fed materials, the position can be automaticallyadjusted by an adjusting device, so that each part in the lifting and pressing device is driven to brake, pressure in the extruding device can be increased or reduced, and extrusion processing and treating of a fish feed are convenient.
Owner:唐山大千饲料有限公司

Food-grade hose and preparation method thereof

The invention relates to a food-grade hose which comprises a hose body; the hose body is prepared from a plastic composite material, and the plastic composite material is composed of the following components in parts by mass: 24-30 parts of resin powder, 9.58-13.5 parts of a plasticizer DOTP, 2.24-3.58 parts of calcium carbonate, 0.191-0.287 part of processing aid, 0.31-0.43 part of a stabilizer,0.04-0.07 part of toner and 0.34-0.57 part of an antibacterial agent. The food-grade hose has the advantages that the hardness and toughness of the whole material are adjusted by the plasticizer DOTP,and the hardness and toughness of the whole plastic composite material are improved, so that the prepared pipe body has high stability, durability and corrosion resistance, is less influenced by environmental temperature change, can effectively prevent harmful substances in the pipe body from being separated out in the use process, so as to reduce the harm to human body caused in the process of use and meet the requirements of environmental protection. In addition, the invention further discloses a preparation method of the food-grade hose, wherein the preparation method is used for preparingthe food-grade hose.
Owner:ZHEJIANG KAIYUE PLASTIC IND CO LTD

A beverage production device

The invention discloses a beverage production device, which comprises a processing barrel, an installation frame is installed on the outside of the processing barrel, a processing oil cylinder is fixedly connected to the inner bottom of the installation frame, and a processing block is rotatably connected to one end of the bottom of the processing oil cylinder. , the outside of the processing block is equipped with: a side cutting device, the side cutting device has a backing plate, the bottom of the backing plate is equipped with a guide plate through an elastic plate; a stacking device, the stacking device has a swing plate, and the swing plate The radian is the same as that of the inner wall of the processing bucket; an inflating device has an inflating hole, and the invention relates to the technical field of beverage preparation. The beverage production device achieves the purpose of stacking raw materials in the process of processing, avoids the problem that raw materials are easily squeezed to the corners and reduces the number of times of processing, increases the direction and method of processing, and improves the efficiency of beverage processing. Efficiency can prevent the raw material from adhering to the inner wall of the device and improve the utilization rate of the raw material.
Owner:广东焕然生物科技有限公司

A fish feed processing device that reduces nutrient loss by changing pressure

The invention relates to the technical field of feed production equipment, and discloses a fish feed processing and treating device capable of reducing nutrition loss through pressure change. The fishfeed processing and treating device comprises a feeding bin and a discharging bin, wherein a driving power supply device is connected to the middle part of the top of an inner cavity of the feeding bin in a penetrating manner; a limiting rotating device is welded to one end of the bottom of an output shaft of the driving power supply device; a driving rod is welded to one end of the bottom of thelimiting rotating device; one end of the bottom of the driving rod is welded to the middle part of the top of a first classifying frame; and the bottom of the first classifying frame is welded to thetop of a lifting and pressing device. The fish feed processing and treating device capable of reducing nutrition loss through pressure change disclosed by the invention, through the lifting and pressing device, lifting and pressing treatment can be performed on products; when fed materials enter an extruding device, according to the quantity of the fed materials, the position can be automaticallyadjusted by an adjusting device, so that each part in the lifting and pressing device is driven to brake, pressure in the extruding device can be increased or reduced, and extrusion processing and treating of a fish feed are convenient.
Owner:唐山大千饲料有限公司

A kind of cable capable of repelling rat ants and its processing method

The present application discloses a cable capable of repelling rat ants and a processing method thereof, wherein the cable includes: a cable unit; a foam layer coated on the outside of the cable unit, and the cable foam layer is filled with a medicament for repelling rat ants; The coating layer is formed by wrapping the separation film on the outer side of the foam layer, and the cable separation film is uniformly distributed with pores; the protective layer is wrapped on the outer side of the wrapping layer, and the cable protection layer is provided with through holes at intervals along the axial direction; In the pullable cap, the side wall is hermetically bonded to the inner wall of the through opening, and the pullable cap can be moved out from the through opening after being stressed. The cable of the present application can store the medicament for repelling rat ants through the foam layer, and the wrapping layer is provided to facilitate the extrusion processing of the protective layer on the foam layer filled with the medicament. In actual use, the corresponding pullable cap can be removed as required, and at this time, the medicine in the foam layer can be released from the pores and through openings of the wrapping layer to actively repel rats and ants.
Owner:HANGZHOU FUTONG ELECTRIC WIRE & CABLE

Material supply and extrusion forming system for automobile parts

InactiveCN106540977AMeet the needs of extrusion processingImprove processing efficiencyMotor vehicle partEngineering
The invention relates to a material supply and extrusion forming system for automobile parts. The material supply and extrusion forming system comprises a feed and extrusion system. A system is installed above the feed and extrusion system. An upper transverse connection mechanism is installed above the system. A lower transverse connection mechanism is installed at the middle portion position of the inner side wall of the feed and extrusion system. A lower drive power system and extrusion roller transmission mechanism supports are sequentially installed above the lower transverse connection mechanism. A left extrusion roller transmission mechanism and a right extrusion roller transmission mechanism are installed at the top ends of the extrusion roller transmission mechanisms correspondingly. An air cooler system is installed below the lower transverse connection mechanism. An air heater system is installed at the bottom of the discharge and extrusion system. The material supply and extrusion forming system can effectively conduct heating for automobile part raw materials, extrusion machining is facilitated, and heating and heat preservation or cooling can be conducted on machined objects according to requirements.
Owner:重庆科谷机械有限公司

AgSnO contact material and preparation method thereof

The invention relates to an AgSnO contact material and a preparation method thereof, belonging to the technical field of electric materials. The AgSnO contact material is composed of Ag and rare-earth-containing stannic oxide. The content of the rare-earth-containing stannic oxide is 1-20wt%. The rare-earth-containing stannic oxide can be a mixture of Ag and rare earth and also can be a mixture of Ag, the rare earth and a third component, wherein the rare earth can be single rare earth or mixed rare earth; the third component is one or more than one of copper, bismuth, antimony and indium; and the content of the third component is not higher than the content of the rare earth. The content of the rare earth in the stannic oxide is not more than 10%. The invention adopts a composite powder process, namely stannic oxide prepared in advance is taken as a core, and silver ion in silver nitrate is reduced, thus silver is deposited on the surface of stannic oxide particle, and uniform AgSnO composite powder is formed; and subsequent moulding, sintering, extrusion processing and the like are carried out, thus a wire rod or piece contact product which can meet customer requirements is prepared. The AgSnO contact material provided by the invention is easy to be subjected to moulding, sintering and extrusion processing, and a contact material product with high performance can be produced.
Owner:CHENZHOU CITY JINGUI SILVER IND CO LTD

PVC resin composition with high pressure resistance and excellent plasticity, and PVC pipe prepared therefrom

The invention belongs to the technical field of plastic processing, concretely relates to a PVC resin composition with a high pressure resistance and an excellent plasticity, and further discloses a PVC pipe prepared therefrom. The PVC resin composition with high pressure resistance and excellent plasticity adopts PVC resin, a PVC stabilizer, methyl methacrylate-styrene copolymer resin, toughnessmodified resin, a processing aid, calcium stearate, paraffin and PE wax as processing raw materials, and the coordination effects of all above components are used to effectively promote the plasticizing performance and plasticizing uniformity of the pipe and effectively improve the internal pressure resistance of the pipe. The methyl methacrylate-styrene copolymer resin and MBS resin can especially produce good synergistic effects, so the plasticization of the whole system is further promoted, and the internal pressure resistance and the processing plasticity of the entire PVC pipe are effectively improved.
Owner:CHINA PETROLEUM & CHEM CORP +1
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