The present invention relates to compositions containing at least one thermoplastic polyurethane, at least one polymer selected from the group consisting of ethylene-vinyl acetate copolymers, polyethylenes, polypropylenes, ethylene-propylene copolymers and copolymers based on styrene, at least one metal hydroxide and at least one phosphorous-containing flame retardant. The thermoplastic polyurethane is selected from the group consisting of thermoplastic polyurethanes based on at least one diisocyanate and at least one polycarbonate diol, and of thermoplastic polyurethanes based on at least one diisocyanate and polytetrahydrofuran polyol. The present invention further relates to the use of such compositions for producing cable sheathings.

Flame-retardant thermoplastic polyurethane

The invention relates to an elastomer cable material for oil-resistant cold-resistant high-temperature-resistant electric automobile charge piles and a preparation method thereof. The elastomer cable material is characterized by mainly comprising the following raw materials in parts by weight: 15-35 parts of styrene elastomer, 10-35 parts of thermoplastic polyurethane elastomer, 10-25 parts of nitrile-butadiene rubber, 10-30 parts of reinforcer, 3-5 parts of compatilizer, 10-25 parts of polyolefin compound, 10-40 parts of flame retardant, 1-10 parts of flame-retardant synergist and 2-5 parts of smoke inhibitor. The preparation method comprises the following steps: 1. weighing the materials according to parts by weight; 2. adding the materials into a high-speed mixer, stirring for 8-10 minutes, and stopping stirring; 3. adding the obtained mixed material into a double screw extruder, and carrying out melt kneading and extrusion, wherein the extrusion temperature is 190-240 DEG C, and the screw speed is 200-500 rpm; and cooling the melt output substance with water, granulating, and packaging. The elastomer cable material has the advantages of excellent oil resistance, excellent cold resistance, excellent high temperature resistance, low smoke, no halogen and environment friendliness.

Elastomer cable material for oil-resistant cold-resistant high-temperature-resistant electric automobile charge piles and preparation method thereof

The invention discloses a high-strength PE (polyethylene) wood-plastic composite material which is prepared from the following raw materials in parts by mass: 20-50 parts of waste PE plastic, 40-70 parts of plant fiber powder, 0-15 parts of thermoplastic elastomer, 2-6 parts of interfacial compatilizer, 0-20 parts of reinforcing filler, 1-6 parts of lubricant, 0.4-0.6 part of anti-aging assistant and 0.1-0.5 part of initiator. The invention also discloses a preparation method of the PE wood-plastic composite material, which comprises the following steps: 1) uniformly mixing the raw materials, and carrying out extrusion and granulation in an extruder; and 2) carrying out extrusion forming on the granules to obtain a plate. The wood-plastic composite material has excellent properties, such as favorable tensile strength, bending strength, bending modulus and the like. The interfacial compatilizer can effectively promote the interfacial properties of the substrate with other components, thereby enhancing the related properties of the composite material. The composite material has excellent workability, and can be sawed, nailed or shaven.

High-strength PE (polyethylene) wood-plastic composite material and preparation method thereof

It is an object to provide a novel laminating adhesive to thereby allow provision of a laminating adhesive composition for a laminate that provides good adhesion between a metal layer and a plastic layer, has satisfactory moisture barrier properties, heat resistance, insulation properties, durability, etc., also exhibits electrolyte resistance even after low-temperature curing, and does not undergo delamination over time. A laminate that uses the laminating adhesive composition and a secondary battery are also provided. The above object is achieved by a laminating adhesive containing a non-chlorine-based polyolefin resin (A), an epoxy compound (B), and an organic solvent (C) including a cyclic alkane compound as an essential ingredient and further including an ester-based solvent or an alcohol-based solvent. In the organic solvent (C), the ratio, in parts by mass, of the cyclic alkane compound to the solvent other than the cyclic alkane compound is within the range of 1/1 to 20/1.

Laminate adhesive, stack using the same, and secondary battery

The invention relates to an oil-resistant TPE (thermoplastic elastomer) halogen-free flame-retardant cable material and a preparation method thereof. The cable material comprises the following components in parts by weight: 20-50 parts of SEBS (styrene-ethylene-butadiene-styrene), 20-40 parts of PPO (polypropylene oxide), 5-20 parts of TPEE (thermoplastic polyether ester elastomer), 10-25 parts of polyolefin resin, 20-50 parts of plasticizer, 20-60 parts of composite halogen-free flame retardant, 1-8 parts of flame-retardant assistant, 1-5 parts of processing assistant and 1-5 parts of antioxidant. The cable material can be used as an oil-resistant cable coating material, and overcomes the defect of poor oil resistance in the SEBS/PP (polypropylene) blend TPE elastomer system and the detects of poor oil resistance and poor crack resistance in the PPO system. The obtained product has very excellent comprehensive properties in the aspects of flexibility, thermal shock resistance, strength, elongation percentage and flame retardancy.

Oil-resistant TPE (thermoplastic elastomer) halogen-free flame-retardant cable material and preparation method thereof

The invention discloses a toughening and reinforcing paintable reclaimed ABS (Acrylonitrile-Butadiene-Styrene) which consists of the following raw materials in part by weight: 60-90 parts of recycled ABS, 5-20 parts of toughening agent, 1-6 parts of compatilizer, 1-15 parts of filler and 0.1-1 part of antioxidant. The reclaimed ABS aggregates provided by the invention have excellent mechanical property and painting property.

Toughening and reinforcing paintable reclaimed ABS (Acrylonitrile-Butadiene-Styrene) and preparation method thereof

The invention discloses environment-friendly modified chlorinated polypropylene (CPP) adhesive and a preparation method thereof. The preparation method comprises the following steps: (1) adding 100 weight parts of chlorinated polypropylene, 15 to 25 weight parts of monomers and 200 to 300 weight parts of solvent to a reactor provided with a stirring device, heating until the temperature is increased to 70 to 90 DEG C; (2) adding 3 to 5 weight parts of initiator after the monomers are completely dissolved, further heating to the reaction temperature of 70 to 90 DEG C; and (3) stop heating after the reaction is finished, precipitating the product by acetone, then, carrying out the suction-filtration by a Buchner funnel, oven-drying, dissolving the product by 200 weight parts of solvent, and adding 5 to 15 weight parts of tackifier to obtain the modified CPP adhesive. By using the environment-friendly solvent method to graft modified CPP and further adding acid anhydride, acrylate and nitrogenous monomers, the monomers can be grafted onto the CPP under the action of the initiator, so the modified CPP adhesive has high adhesion to the surface of thermoplastic polyolefin substrates or metals; and the modified CPP adhesive of the invention has the advantages of simple preparation process, non-toxic application, high cost performance ratio, and stronger adhesion to metals or non-polar polymers.

Environment-friendly modified chlorinated polypropylene adhesive and preparation method thereof

The invention discloses an environment friendly chlorinated polypropylene modified acrylic acid resin primer and a preparation method thereof. The preparation method comprises the following steps of: adding the following components in parts by weight into a reactor with a stirring device: 100 parts of acrylic ester monomer, 10-20 parts of chlorinated polypropylene and 200-300 parts of solvent, and heating up to 70-90 DEG C; after the solid is completely dissolved, adding 2-4 parts by weight of initiator, and then heating up to reaction temperature of 70-90 DEG C; and after the reaction ends, adding an adhesive force improver to obtain the chlorinated polypropylene modified acrylic acid resin primer. The preparation process has the advantages of simple operation and no toxicity, and an environment friendly solvent is used for preparing chlorinated polypropylene modified acrylic acid resin which has good adhesive force to a thermoplastic polyolefin matrix and is suitable for being used as a primer for the pretreatment before polyolefin is coated so as to improve the adhesive force of a coating to polyolefin plastics.

Environment friendly chlorinated polypropylene modified acrylic acid resin primer and preparation method thereof

The invention discloses an anti-yellowing halogen-free flame retardant cable material and a preparation method thereof. The cable material is prepared from the following raw materials: polyphenyl ether, a styrene elastomer, polyolefin, a halogen-free flame retardant, a fame-retardant synergistic agent, a plasticizer, a coupling agent, an antioxidant, an ultraviolet absorbent, a white toner and a processing agent. The preparation method of the anti-yellowing halogen-free flame retardant cable material comprises the following steps: (1) weighing various raw materials according to the ratio, and mixing a halogen-free flame retardant with zinc borate to obtain a compound fire retardant; (2) fully mixing the compound fire retardant with a coupling agent; (3) evenly mixing a styrene elastomer with a plasticizer, adding polyphenyl ether, polyolefin, the compound fire retardant which is subjected to coupling treatment and obtained from the step (2), the antioxidant, an ultraviolet absorbent, titanium dioxide and a processing agent, and fully mixing evenly to obtain premix; and (4) fusing, extruding and pelleting the premix through an extruder. The cable material disclosed by the invention has relatively good performance.

Hong Yangwan

Papers

Toughening and reinforcing paintable reclaimed ABS (Acrylonitrile-Butadiene-Styrene) and preparation method thereof

High-strength PE (polyethylene) wood-plastic composite material and preparation method thereof

Environment-friendly modified chlorinated polypropylene adhesive and preparation method thereof

Environment friendly chlorinated polypropylene modified acrylic acid resin primer and preparation method thereof

Anti-yellowing halogen-free flame retardant cable material and preparation method thereof