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

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.

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.

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.

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.

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.

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%.

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.

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.

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.

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.

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.

The invention discloses an intelligent meter sealing housing and an intelligent meter. The sealing housing comprises a separating member, a cylinder body, a first end cover, and a second end cover. The cylinder body is provided with a cylindrical sealing outer wall, and the two ends of the cylinder body are respectively a first opening and a second opening. The first end cover is disposed on the first opening of the cylinder body, and the separating member is disposed on the second opening of the cylinder body, and is connected with the second opening of the cylinder body, and then first sealing space is formed in the cylinder body. The separating member is connected with the second end cover, and second sealing space is formed therebetween, and the separating member is provided with a threading hole. Replacement of a battery is facilitated, and the sealing effect of the whole intelligent meter is not affected, and a waterproof level is higher.

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.

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.