85results about How to "Delay or inhibit oxidation process" patented technology

The invention relates to the technical field of PVC (Polyvinyl Chloride) composite materials and particularly relates to a waste PVC and fly ash composite material and a preparation method thereof. The waste PVC and fly ash composite material comprises the following raw materials according to parts by weight: 80-120 parts of waste PVC, 35-55 parts of fly ash, 3-10 parts of plasticizer, 1-2 parts of flame retardant, 0.5-2 parts of stabilizer, 0.5-2 parts of impact modifier, 0.3-1 part of lubricant and 0.1-0.5 part of antioxidant. The preparation method comprises the following steps of: weighing all the raw materials according to the parts by weight, mixing, stirring, extruding through a twin-screw extruder for granulation, chopping and air-cooling to obtain the waste PVC and fly ash composite material. The waste PVC and fly ash composite material prepared by the preparation method has excellent heat resistance, high strength, good flame retardant effect, high compression performance and toughness, and excellent processing performance and comprehensive performance; and the additive amount of renewable resources in the waste PVC and fly ash composite material reaches 90%-95%, thus lowering the production cost, reducing the environmental pollution, and bringing good economic benefit and social benefit.

The invention relates to the technical field of electrostatic film, and in particular, relates to a polyvinyl chloride electrostatic film and a preparation method thereof, wherein the polyvinyl chloride electrostatic film comprises the following raw materials in parts by weight: 80-120 parts of PVC resin, 46-73 parts of a plasticizer, 1-3 parts of a heat stabilizer, 3-7 parts of an anti-electrostatic agent, 0.3-0.7 part of a gelatinizing agent, 0.02-0.03 part of a pigment powder, and 0.1-0.3 part of other auxiliary agents. The polyvinyl chloride electrostatic film has high electrostatic resistance, has high anti-electrostatic effect and protection functions, has high self-adhesive performance, and has excellent stable performance under high temperature conditions; the polyvinyl chloride electrostatic film also has the advantages of being ultra thin, tough, transparent, self-adhesive, good in transparency, small in watermarks and the like, has fewer crystal points and low-temperature resistance, and has excellent comprehensive performance.

The invention relates to the technical field of high polymer materials, in particular to a laser markable high-shading polyester composite material for an LED (Light Emitting Diode), and a preparation method thereof. The laser markable high-shading polyester composite material for the LED comprises the following raw materials in parts by weight: 40-60 parts of polyester, 15-20 parts of glass fiber, 15-20 parts of main fire retardant, 3-5 parts of auxiliary fire retardant, 4-8 parts of flexibilizer, 0.1-0.2 part of antioxidant, 10-15 parts of opacifier, 0.3-1.0 part of laser marking powder and 0.5-1.0 part of other accessory ingredients. The laser markable high-shading polyester composite material for the LED has the advantages of good shading effect, good anti-flaming effect, good temperature tolerance and weather fastness, high intensity, excellent shock resistance, good processability and excellent overall performance, can be used for laser marking and can pass a high and low temperature (40DEG C below-120DEG C) impact test.

The invention relates to a solar cell encapsulating EVA (ethylene vinyl acetate copolymer) adhesive film with high light transmittance. The solar cell encapsulating EVA adhesive film is characterized in that the thickness of the EVA adhesive film is 0.8 mm-1.1 mm, and the EVA adhesive film is prepared from raw materials in parts by weight as follows: 100 parts of EVA resin, 0.5-2.5 parts of a plasticizer, 0.1-0.3 parts of a photoelectric conversion rate enhancer, 1-4 parts of an anti-aging agent, 1.5-2.5 parts of a blocking agent, 1-2 parts of a dispersing agent, 1-3 parts of a coupling agent and 1-3 parts of a cross-linking agent. Firstly, the raw materials are added to a mixer proportionally and mixed into uniform components, the components are subjected to melt mixing by a banbury mixer and then subjected to extrusion and pelletizing, and the EVA adhesive film is obtained. According to the prepared EVA adhesive film, the light transmittance of the adhesive film is not influenced and the mechanical properties are greatly improved while properties and photoelectric conversion efficiency of the adhesive film are improved with addition of multiple additives.

The invention relates to the technical field of polyurethane elastomers and particularly relates to a low-smoke halogen-free flame-retarding ceramizable thermoplastic polyurethane elastomer composite material, a preparation method and an application thereof. The composite material comprises, by weight, 25-85 parts of thermoplastic polyurethane, 10-70 parts of a halogen-free flame retardant, 1-10 parts of a smoke inhibitor, 20-80 parts of a ceramization powder, 0.5-5 parts of a compatilizer, 0.02-0.1 parts of an antioxidant, and 0.02-0.1 parts of a hydrolysis inhibitor. The thermoplastic polyurethane elastomer composite material has excellent flame-retarding effect, low smoke density, high strength, good flexibility and high break elongation, can form a compact ceramized product at the temperature range of 600-1000 DEG C, is low in ceramization temperature and can form compact ceramic. The formed ceramized product has high high-temperature strength and anti-heat-flow-impact capability.

The invention relates to the technical field of cable materials, and in particular relates to a flame-retardant thermoplastic polyurethane (TPU) cable sheathing material with an electromagnetic shielding function and a preparation method of the TPU cable sheathing material. The TPU cable sheathing material comprises the following raw materials in parts by weight: 25-85 parts of thermoplastic polyurethane, 5-45 parts of graphene, 5-35 parts of a flame retardant, 0.5-5 parts of a compatibilizer, and 0.02-0.1 part of an antioxidant. The TPU cable sheathing material provided by the invention has the electromagnetic shielding function, the shielding effectiveness (SE) value can reach 17-50 db, and the flame-retardant effect is excellent; and a single vertical burning test can reach a V0 level,the strength is high, the tensile strength can reach 25.2 MPa or more, the flexibility is good, the elongation at break is high and can reach 405% or more, and the mechanical properties are excellent.

The invention relates to the technical field of PVC materials, and concretely relates to an anticorrosive PVC modified material and a preparation method thereof. The anticorrosive PVC modified material comprises, by weight, 80-120 parts of PVC resin, 50-70 parts of a plasticizer, 20-30 parts of a filler, 4-8 parts of an impact modifier, 3-5 parts of a heat stabilizer, 1-2 parts of a synergistic agent, 0.6-1.0 part of a lubricant and 0.3-0.7 parts of an antioxidant. All performances of the anticorrosive PVC modified material prepared through strictly controlling the weight ratio of all above raw materials exceed national stands, and the anticorrosive PVC modified material has the advantages of good anticorrosion effect, environmental protection, excellent temperature and weather resistance, high strength, excellent impact resistance, good flame retardation effect, excellent processing properties and excellent comprehensive performances.

The invention discloses a multi-injection molding process one-time molding method for a high-toughness home appliance panel. The multi-injection molding process one-time molding method is characterized by comprising the following steps of preparing materials for injection molding; inputting relative parameters of the four-stage injection molding process on a control panel of an injection molding machine; pushing a manual/automatic change-over switch on an electric control cabinet to the automatic position; inputting location parameters and pressure holding parameters of a screw rod on a touchinput screen when completion of filling meeting process switching conditions; closing a safety door of the injection molding machine, pressing an on/off switch in an on position to start the injectionmolding machine; and opening a mold and taking out workpieces after completion of injection molding. According to the multi-injection molding process one-time molding method, the injection molding machine is controlled by a PLC to conduct regulation to adopt different injection molding processes at different injection molding stages according to data stored from the control panel of the injectionmolding machine. Meanwhile, compared with a bonded panel, the panel manufactured through multi-injection molding one-time molding has the good integrity and toughness and is not likely to get bent and fall off.

The invention relates to the technical field of color masterbatches, and in particular relates to a highly cold-resistant and toughening color masterbatch and a preparation method thereof. The color masterbatch comprises the following raw materials in parts by weight: 45-61 parts of polypropylene resin, 32-53 parts of toner, 2-7 parts of a dispersing agent and 1-5 parts of a cold-resistant and toughening agent, wherein polypropylene is a mixture of co-polypropylene and homo-polypropylene which are in a weight ratio of 1 to 1.4-2.2, and the cold-resistant and toughening agent is a mixture of an amide Beta crystal form nucleating agent and a dicarboxylate Beta crystal form nucleating agent which are in a weight ration of 1 to 1.2-1.8. The highly cold-resistant and toughening color masterbatch has an obvious toughening effect and higher impact strength at a low temperature of -20 DEG C than normal temperature; in addition, the rigidity of the highly cold-resistant and toughening color masterbatch is improved obviously at normal temperature; the addition of the color masterbatch is small; the color masterbatch is convenient and flexible to use and add. The preparation method of the color masterbatch and materials provided by the invention are used together so that the materials can take full effect; the process is simple and convenient to operate and control; the quality is stable, the production efficiency is high, and large-scale industrial production can be realized.

The invention relates to the technical field of cable materials, and in particular relates to a flame-retardant thermoplastic polyurethane (TPU) cable sheathing material with an electromagnetic shielding function and a preparation method of the TPU cable sheathing material. The TPU cable sheathing material comprises the following raw materials in parts by weight: 25-85 parts of thermoplastic polyurethane, 5-45 parts of carbon nanotubes, 5-35 parts of a flame retardant, 0.5-5 parts of a compatibilizer, and 0.02-0.1 part of an antioxidant, wherein the carbon nanotubes are surface-acidified single-walled carbon nanotubes or multi-walled carbon nanotubes. The TPU cable sheathing material provided by the invention has the electromagnetic shielding function, the shielding effectiveness (SE) value can reach 17-50 db, and the flame-retardant effect is excellent; and a single vertical burning test can reach a V0 level, the strength is high, the tensile strength can reach 25 MPa or more, the flexibility is good, the elongation at break is high and can reach 400% or more, and the mechanical properties are excellent.

The invention relates to the technical field of PVC (Polyvinyl Chloride) materials, in particular to a PVC (Polyvinyl Chloride) modifying material for curtains and a preparation method thereof. The PVC modifying material for the curtain is prepared from the following raw materials in parts by weight: 80 to 120 parts of high-polymerization-degree PVC resin, 45 to 65 parts of plasticizer, 5 to 15 parts of ground calcium carbonate, 10 to 15 parts of light calcium carbonate, 2 to 4 parts of stabilizer, 1 to 3 parts of water-proofing agent, 0.5 to 1.5 parts of modifying agent, 0.6 to 1.0 part of anti-ultraviolet agent, 0.3 to 0.7 part of antioxidant, 0.3 to 0.7 part of anti-blushing agent and 0.4 to 0.8 part of outer lubricant. The PVC modifying material for curtains disclosed by the invention has the advantages of good water-proofing and anti-aging effects, environmental friendliness, excellent temperature resistance and weather resistance, high strength, excellent impact resistance, good flame retarding effect, excellent machining performance and superior comprehensive performance.

The invention relates to the technical field of floor mats, in particular to an anti-ultraviolet and anti-oxidation floor mat and a preparation method thereof. The anti-ultraviolet and anti-oxidation floor mat includes a PVC base material layer and a silk braided layer attached to the upper surface of the PVC base material layer. The PVC substrate layer includes the following raw materials in parts by weight: 85-105 parts of PVC resin, 30-40 parts of plasticizer, 20-30 parts of filler, 3-7 parts of stabilizer, 4-8 parts of impact modifier 0.5-1.5 parts of anti-ultraviolet agent, 0.5-1.5 parts of antioxidant, 1.0-1.4 parts of lubricant. The anti-ultraviolet and anti-oxidation floor mat of the present invention has good anti-ultraviolet and anti-oxidation effects, is environmentally friendly and non-toxic, has good strength, toughness and flame retardancy, and has excellent comprehensive performance.

The invention relates to the technical field of PVC materials, and concretely to a PVC modified material used for antiskid carpets, and a preparation method thereof. The PVC modified material used for anti-skid carpets comprises, by weight, 80-120 parts of PVC resin, 40-60 parts of a plasticizer, 10-15 parts of heavy calcium carbonate, 5-15 parts of light calcium carbonate, 3-7 parts of a high composite stabilizer, 1-3 parts of chlorinated polyethylene, 1-3 parts of a wear resistant modifier, 0.3-0.7 parts of an antiskid agent, 0.6-1.0 part of an ultraviolet resisting agent, 0.3-0.7 parts of an antioxidant and 0.3-0.7 parts of a lubricant. The PVC modified material used for antiskid carpets has the advantages of good wear resistance, good antiskid and anti-aging effect, environmental protection, excellent resistance to temperature and weather, high strength, excellent impact resistance, good flame retardation effect, excellent processability and excellent comprehensive performances.

The invention relates to the technical field of solar module packaging, in particular to a high-ultraviolet barrier property EVA adhesive film for solar module packaging and a preparing method of the high-ultraviolet barrier property EVA adhesive film. A concave-convex grid structure is arranged on the surface of the EVA adhesive film, the thickness of the EVA adhesive film ranges from 0.1 mm to 1 mm, and the EVA adhesive film comprises, by weight, 80-120 parts of EVA resin, 1-5 parts of cross-linking agent, 1-5 parts of coupling reagent, 0.5-1.5 parts of ultraviolet light absorber, 0.5-1.5 parts of light stabilizer and 0.5-1.5 parts of antioxygen. The ultraviolet light absorber and the light stabilizer are adopted in the EVA adhesive film, the high ultraviolet barrier property is achieved, and the ageing resistance performance of the EVA adhesive film can be effectively improved.

The invention provides a water feeding pipe and a preparation method thereof and relates to the technical field of plastic pipes. The water feeding pipe comprises, by weight, metallocene linear low density polyethylene, chromium carbonate, fumed silica, nano-active calcium carbonate, metallocene linear low density polyethylene wax, phthalate, gamma-aminopropyltriethoxysilane, rose essential oil, dibutyltin dilaurate, a modifying aid, aluminum hydroxy distearate, hollow glass microbeads, aluminum hydroxide, nano zirconium carbide, aluminum silicate, glass fibers, a thermal stabilizer, a photo-stabilizer, an antioxidant, a compatilizer, and a plasticizer. The preparation method includes the steps of: 1) weighing raw materials; 2) performing granulation; 3) performing mixing, kneading, cooling, extrusion and shaping. The water feeding pipe has high mechanical strength, good flame retarding property, good toughness and good anti-aging performance.

The invention provides a heat-resistant wire and cable material used in an electric power line and a preparation method thereof and relates to the field of wire and cable materials. The heat-resistant wire and cable material used in the electric power line is prepared from, by weight, polyvinyl chloride, chloroprene rubber CR121, dimethyl silicone oil, polypropylene fiber, chlorinated polyethylene, nano silicon carbide, heavy calcium carbonate powder, nano active calcium carbonate, trioctyl trimellitate, a Congo red invariant-color calcium zinc stabilizer, a heat-resistant invariant-color calcium-zinc stabilizer, kaolin, PE wax, stearic acid, a flame retardant, an antioxidant, a coupling agent and a plasticizer. The preparation method comprises the following steps of raw material weighing, mixing and granulation. The problems of poor heat resistance, poor flame retardancy, poor toughness and low strength of existing wire and cable materials are solved.

The invention relates to the technical field of adhesive tapes and in particular to a high viscosity environmental-friendly double-sided adhesive tape capable of being repeatedly used and a manufacturing method thereof. The high viscosity double-sided adhesive tape comprises a first release film, a low viscosity adhesive layer, a substrate layer, a high viscosity adhesive layer and a second release film which are successively arranged from bottom to top. The lower surface and the upper surface of the low viscosity adhesive layer are separately attached to the upper surface of the first release film and the lower surface of the substrate layer, and the lower surface and the upper surface of the high viscosity adhesive layer are separately attached to the upper surface of the substrate layer and the lower surface of the second release film. The environmental-friendly double-sided adhesive tape provided by the invention has a relatively high bonding force, is unlikely to upwarp, is good in weather resistance, easy to tear and convenient to use, and can be repeatedly used; the environmental-friendly double-sided adhesive tape also has the advantages of being good in light transmission, good in high-temperature resistance and etc, and has a high bonding force and peeling strength.

The invention provides an anti-static polyvinyl chloride sole material, and the anti-static polyvinyl chloride sole material comprises the components in parts by weight as follows; 35-50 parts of polyvinyl chloride, 1-5 parts of anionic antistatic agent, 20-30 parts of plasticizer, 1-5 parts of antioxygen, 2-5 parts of reinforcing agent, 3-8 parts of polyethylene wax, 5-15 parts of chlorinated polyethylene and 3-10 parts of calcium carbonate. The manufacturing method for anti-static polyvinyl chloride sole material is also provided. The anti-static polyvinyl chloride sole material has good anti-static performance applied to the anti-static situation.

The invention relates to the technical field of films, in particular to a food-grade polyvinyl chloride film and a calendaring process thereof. The food-grade polyvinyl chloride film is prepared from,by weight, 80-120 parts of PVC (polyvinyl chloride) resin, 20-60 parts of an environment-friendly plasticizer, 2-3 parts of an environment-friendly stabilizing agent, 1.5-2.5 parts of environment-friendly soybean oil, 0.020-0.028 part of environment-friendly toner, 3-7 parts of an environment-friendly bridging agent and 0.1-0.3 part of other additives. The food-grade polyvinyl chloride film is environmentally friendly, great in handfeel and visual effects and excellent in ultraviolet resistance and water resistance and has advantages of flame retardation, insulation, alkali and acid resistance, cold and mould proofing, corrosion resistance, static resistance, tensile resistance, aging resistance and the like, thereby being excellent in comprehensive performance.

The invention discloses a regenerated carbon fiber reinforced PA6 material and a preparation method thereof, the regenerated carbon fiber reinforced PA6 material comprises a first mixture and a secondmixture, wherein the first mixture is prepared from sizing agent, regenerated carbon fiber and a BOPA film; the second mixture is prepared from PA6 resin and an antioxidant. By extruding and granulating the first mixture and the second mixture, the regenerated carbon fiber reinforced PA6 material is prepared. The preparation method provided by the invention solves the blanking problem of RCF during extrusion granulation; the RCF reinforced PA6 material prepared by the preparation method of the invention maintains more than 90% of the performance of a CFRP material, and the regenerated carbonfiber reinforced PA6 material maintaining more than 85% of the performance in the industry can be regarded as a qualified regenerated carbon fiber reinforced material; According to the method, it is possible to produce the CFRP composite material by extrusion granulation of uncut RCF and thermoplastic resin, the length of carbon fibers in the CFRP composite material is kept to the maximum extent,and the application of the RCF is widened.