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172results about How to "Good flame retardancy" patented technology

Phosphorus-containing crosslinked gel polymer electrolyte and on-site thermal-polymerization preparation method and application thereof

The invention belongs to the technical field of gel polymer electrolytes and particularly discloses a phosphorus-containing crosslinked gel polymer electrolyte and an on-site thermal-polymerization preparation method and application thereof. The preparation method comprises the steps of preparing the following raw materials, of which the total weight percent is 100%: 5-15% of polymerization monomers, 3-10% of crosslinker, 0.01-1.0% of thermal initiator and 75-90% of lithium-ion battery liquid electrolyte, uniformly mixing, and then, reacting for 20-100 minutes at the temperature of 75-150 DEG C under the protection of inert gas, thereby obtaining the phosphorus-containing crosslinked gel polymer electrolyte. The invention further discloses application of the phosphorus-containing crosslinked gel polymer electrolyte in the preparation of solid lithium-ion batteries. The invention provides novel phosphates and/or phosphonates, containing double bonds, which serve as monomers of the gel polymer electrolyte, and the phosphorus-containing crosslinked gel polymer electrolyte designed and synthesized from the monomers has the advantages of simple and convenient preparation method, high ionic conductivity, high thermal stability and good electrochemical stability, so that phosphorus-containing crosslinked gel polymer electrolytes with relatively good stability are provided for the practical application of the solid lithium-ion batteries and high-power lithium-ion batteries.
Owner:ZHENGZHOU UNIV

Double side flexible copper coated board and manufacturing method thereof

The invention relates to a double-sided flexible copper clad laminate and a production method thereof, the double-sided flexible copper clad laminate comprises a single-sided copper clad laminate, an adhesive layer which is coated on the single-sided copper clad laminate and the other copper foil or the other single-sided copper clad laminate which is coated on the adhesive layer by pressing, the single-sided copper clad laminate comprises one copper foil and a polyimide layer which is coated on the copper foil, wherein, the polyimide layer and the adhesive layer are adjacently arranged. The production method comprises the following steps: the copper foil is provided and polyamide acid and an adhesive are prepared; the polyamide acid is coated on the copper foil to prepare the single-sided copper clad laminate; the adhesive is coated between the single-sided copper clad laminate and the copper foil or the other single-sided copper clad laminate and carrying out the lamination to prepare the double-sided flexible copper clad laminate. The performances of size stability, folding resistance, anti-aging property, and the like of the double-sided flexible copper clad laminate are higher than the double-sided copper clad laminate which is produced by a traditional three-layer method, the appearance quality is better than the two-layer double-sided copper clad laminate produced by a lamination method, and the double-sided flexible copper clad laminate simultaneously has the low-cost advantage, thereby facilitating the mass production.
Owner:GUANGDONG SHENGYI SCI TECH

Halogen-free water resistant expansion type phosphor nitrogen combustion inhibitor for polyolefin and preparation thereof

The invention relates to a non-halogen, water resistant and expanding type phosphorus nitrogen flame retardant used for polyolefine. The phosphorus nitrogen flame retardant is characterized in that according to the weight percentage, the flame retardant comprises melamine phosphate which occupies 20 percent to 80 percent, triazine derivative which occupies 5 percent to 40 percent, nanometer compound material which occupies 1 percent to 15 percent, phosphonate ester which occupies 10 percent to 20 percent, padding which occupies 0.1 percent to 8 percent and antioxidant which occupies 0.1 percent to 5 percent. The flame retardant adopts the preparation method that the components are mixed, the mixture is coated through the polymer with barrier property, and the integrated modification of the flame retardant is realized. Compared with the prior general non-halogen and expanding type flame retardant, the non-halogen, water resistant and expanding type phosphorus nitrogen flame retardant used for polyolefine has the advantages that the flame retardance is better, the water resistance is greatly improved, the compatibility between the flame retardant and the plastic matrix is good, and the mechanical property and the processing property of the polyolefine are not affected.
Owner:SHANGHAI RES INST OF CHEM IND

High-effect rat-proof and termite-proof electric wire and cable and preparation method thereof

The invention provides a high-effect rat-proof and termite-proof electric wire and cable which comprises conductors. A shielding layer is arranged outside each conductor, a flame-resistant PE (polyethylene) insulating layer is arranged outside each shielding layer, a ceramic silicone rubber layer is arranged outside each flame-resistant PE insulating layer, a waterproof layer is arranged outside each ceramic silicone rubber layer, the conductors are filled with a flame-resistant glass fiber filler rope, a flame-resistant belt is arranged outside the conductors and the flame-resistant glass fiber filled rope, a mica layer is arranged outside the flame-resistant belt, a flame-resistant PE protection layer is arranged outside the mica layer, an armor layer is arranged outside the flame-resistant PE protection layer, a nylon 12 sheath layer is arranged outside the armor layer, a carbon pipe is arranged outside the nylon 12 sheath layer, and a capsaicin rat-proof and termite-proof layer is arranged outside the carbon pipe. The invention further provides a preparation method of the electric wire and cable. The high-effect rat-proof and termite-proof electric wire and cable is provided with multiple rat-proof and termite-proof layers and multiple flame-resistant layers.
Owner:TAICANG SUSHENG ELECTRICAL TECH

Preparation method of high-gloss high-rigidity no-precipitate environment-friendly flame-retardant polypropylene

The invention aims to provide a high-flame-retardancy high-gloss high-rigidity low-precipitate low-cost flame-retardant polypropylene which is easy to process and a preparation method thereof. The technical scheme adopted by the invention is as follows: the flame-retardant polypropylene is prepared from the following components in percentage by weight: 45% of polypropylene homopolymer, 45% of polypropylene copolymer, 4% of flame retardant, 2% of synergistic flame retardant, 8% of compatilizer, 0.5% of lubricant, 0.2% of antioxidant and other processing assistants. Compared with the prior art, the invention has the following effects: 1. the flame-retardant polypropylene has favorable flame retardancy, and can not produce precipitate; 2. the heat resistance of the flame retardant is good, the processability of the product is fine, and the influences on the mechanical properties of the flame-retardant polypropylene, such as toughness, strength and the like, are small due to the low addition amount of the flame retardant; 3. the flame-retardant polypropylene can not generate polybrominated dibenzodioxin (PBDD), polybrominated dibenzofuran (PBDF) and other carcinogenic substances, thereby being relatively environment-friendly; and 4. due to the adoption of the compatilizer, the flame-retardant polypropylene has high precipitation resistance and high surface gloss.
Owner:FOSHAN SHUNDE WHEELING PLASTIC

Wood/plastic composite floor board production process

InactiveCN103790338AGood flame retardancyStrong moisturizing performanceFlooringMoisture retentionWax
The invention relates to a wood/plastic composite floor board production process and belongs to the field of wood/plastic composite floor board processing. The production process includes the first step of carrying out drying and ungrease treatment on small wood angle materials, straw and other things and then carrying out smashing to enable the fineness degree to reach 70-100 meshes, the second step of getting and mixing fine powder raw materials, PVC, light calcium carbonate, calcium stearate, PVC processing agents, PVC foaming agents, PVC tensile modifying agents, compound stabilizers, plastic filling agents, soda, PE wax, stearic acid and PVC foaming modifiers at a high speed, wherein the mixing temperature is 100 DEG C to 130 DEG C, the rotation speed for mixing is 700 rounds per minute, the mixing time is 25 to 35 minutes, and the feeding speed of equipment is 100 to 800 rounds per minute, the third step of carrying out high-temperature extruding and forming on obtained wood/plastic mixed powder through a double-screw extruder and a shaping die, and making the wood/plastic mixed powder into basic plates, and the fourth step of enabling male grooves and female grooves to be cut in four faces of the basic plates through a double-end milling device, and carrying out printing on the basic plates through coating and curing process to form finished wood/plastic composite floor boards. The finished wood/plastic composite floor boards are friendly to environment, waterproof, resistant to corrosion, capable of preventing insects, high in mildew resistance, good in flame retarding performance, strong in moisture retention and convenient to install.
Owner:青岛德隆园木塑板业科技有限公司

Halogen-free flame retardant polyethylene-nylon heat shrinkable tube and preparation method thereof

The invention discloses a halogen-free flame retardant polyethylene-nylon heat shrinkable tube and a preparation method thereof. Specifically, the halogen-free flame retardant polyethylene-nylon heat shrinkable tube comprises the following components in parts by weight: 50-80 parts of polyethylene, 5-20 parts of nylon, 0.5-5 parts of segmented copolymer, 10-30 parts of phosphate retardant, 0.5-5 parts of active nano-calcium carbonate and 0.5-5 parts of nanosilicon dioxide. Compared with the prior art, the halogen-free flame retardant polyethylene-nylon heat shrinkable tube uses a physical crosslinking method, the polyethylene and the nylon do not form a covalent bond, the molecular structure is not broken, and the subsequent recovery is implemented; the materials do not contain hazardous substances like mercury, cadmium and hexavalent chromium, so that the requirements of the RoHS (Restriction of Hazardous Substances) directives of European Union are met, and the halogen-free flame retardant polyethylene-nylon heat shrinkable tube is harmless to the environment and human bodies; the halogen-free flame retardant polyethylene-nylon heat shrinkable tube is excellent in heat resistance, insulativity and fire resistance, and comparatively ideal in mechanical strength, and can be widely applied in various fields.
Owner:苏州泰斯拓伟机电设备有限公司

Polyurethane self-endothermic low-temperature filling material and preparation method thereof

ActiveCN104448223ASolve poor flame retardancyGood flame retardancyIsocyanateFire retardant
The invention belongs to the technical field of preparation of polyurethane materials, and particularly relates to a polyurethane self-endothermic low-temperature filling material and a preparation method thereof. The polyurethane self-endothermic low-temperature filling material consists of a component A and a component B, wherein the component A consists of polyol, water, an auxiliary agent and a fire retardant; the component B consists of polyisocyanate and a fire retardant. The polyol, the auxiliary agent, the fire retardant and the polyisocyanate are selected, a large amounts of water is added into a reaction system, and heat generated by the reaction system is taken away through evaporation of the unreacted water, so that the internal reaction temperature is not higher than 95 DEG C and the problem of poor fire retardance is solved at a time; the polyurethane self-endothermic low-temperature filling material is good in fire retardance, and liquid raw material is convenient to transport, low in viscosity, good in fluidity and good in storage stability; the raw material is environment-friendly and pollution-free, does not contain a volatile solvent, does not produce any toxic gas, and is harmless to a human body; the preparation method is simple and easy to implement.
Owner:SHANDONG INOV NEW MATERIALS CO LTD

Environment-friendly low-smoke flame-retardant rubber cable material and preparation method thereof

The invention relates to a cable material and a preparation method thereof, in particular to an environment-friendly low-smoke flame-retardant rubber cable material and a preparation method thereof. The environment-friendly low-smoke flame-retardant rubber cable material consists of, by weight, 40-100 parts of natural rubber, 40-80 parts of chloroprene rubber, 30-40 parts of butadiene-acrylonitrile rubber, 4-5 parts of stearic acid, 4-5 parts of coupling agent, 5-6 parts of zinc oxide, 4-5 parts of stabilizing agent, 5-6 parts of antioxidant BHT, 3-5 parts of accelerant, 100-120 parts of flame retardant and 60-100 parts of filling agent, wherein the main component of the natural rubber is polyisoprene, the natural rubber is one of air-dried rubber pieces and crepe, the accelerant is rubber accelerant TMTD, and the chloroprene rubber is an elastomer generated by using chloroprene as a main raw material through alpha-polymerization. The environment-friendly low-smoke flame-retardant rubber cable material has the advantages that the cable material has the advantages of low smoke, flame retarding and weather proofing and is environment-friendly and safe, the prepared cable materials is good in physical and mechanical performance and machining manufacturability and easy to machine, the raw materials are more environment-friendly and is low in toxicity, and popularization strength is large.
Owner:梁忠顺
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