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 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 the fields of handicrafts and architectural decoration, and concretely relates to a porcelain imitation coating. The porcelain imitation coating comprises a PP primer, a middle layer aqueous porcelain imitation coating and a top layer UV coating; the PP primer comprises 45-75 parts of chlorinated polypropylene modified acrylic resin, 5-20 parts of a diluent, 10-35 parts of a pigment filler and 1-10 parts of an assistant; the middle layer aqueous porcelain imitation coating comprises 40-70 parts of a modified acrylic emulsion, 5-30 parts of ceramic powder, 10-25 parts of water, 5-25 parts of a color paste and 1-10 parts of an assistant; and the top layer UV coating comprises 30-80 parts of photosensitive resin, 3-25 parts of an active monomer, 1.5-5 parts of a photoinitiator, 5-40 parts of the diluent and 0.1-5 parts of an assistant. The coating primer difficulty cracks and strips, the middle layer coating has strong weather ability, ageing resistance and strong interlayer adhesion, and the top layer coating is environmentally friendly and has short air-drying solidification time. The invention also relates to a spraying method of the porcelain imitation coating. The method is easy to operate.

Porcelain imitation coating and spraying method thereof

Single-component glass printing ink

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 provides a natural fiber filled polyethylene composite material and a preparation method thereof. The natural fiber filled polyethylene composite material comprises the following components by weight percent: 20-50% of high density polyethylene, 40-70% of natural fiber powder, 1-6% of fatty acid polyethylenimine condensation product, 1-15% of inorganic mineral filler and 1-6% of lubricating agent. The preparation method comprises the following steps: adding weighed natural fiber powder particles into a high-speed mixer, and stirring for 20-30 minutes at the speed of 2000r/min (revolutions per minute); adding other components in proportion, mutually mixing and stirring for 10-20 minutes, and then adding the mixture into a homodromous and parallel two-screw extruder; and pelleting to obtain the particles of the natural fiber filled polyethylene composite material. By using the preparation method, the defects that a common WPC (wood plastic composite) material is poor in mechanical property and poor in humidity resistance are solved.

Natural fiber filled polyethylene composite material and preparation method thereof

The invention discloses a halogen-free compound flame retardant for a glass fiber reinforced PBT (Polybutylene Terephthalate) material and a preparation method thereof. The halogen-free compound flame retardant is prepared from the following components in percentage by weight: 20-80 percent of phenyl aluminum phenylphosphinate, 10-60 percent of melamine cyanurate, 1-20 percent of zinc borate, 1-10 percent of triphenyl phosphate and 1-5 percent of pentaerythrityl tetraisostearate. The halogen-free compound flame retardant provided by the invention has high-efficiency flame-retardant performance, favorable processing performance, excellent mechanical performance and color stability and is applied to the glass fiber reinforced PBT material so that the glass fiber reinforced PBT material reaches a flame-retardant level of UL94V0 and can keep favorable mechanical performance and electric performance.

Hualiang Li

Papers

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

Natural fiber filled polyethylene composite material and preparation method thereof

Halogen-free compound flame retardant for glass fiber reinforced PBT (Polybutylene Terephthalate) material and preparation method thereof