The invention discloses a thermoplastic polyurethane elastomer foam material, which is prepared from the following raw materials by weight: 80-100 parts of a thermoplastic polyurethane elastomer, 10-40 parts of a filler, 4-7 parts of a foaming agent, 06-15 parts of a cross-linking agent, 10-15 parts of a cross-linking assistant, 01-10 part of a mildew proof antibacterial agent and 12-20 parts of a lubricant Adopting the above technical scheme, the invention has the beneficial effects of improving the foam expansion of the thermoplastic polyurethane foam material, expanding the scope of usage of the polyurethane foam material, and realizing compression deformation of a finished product produced from the thermoplastic polyurethane foam at no more than 35%, which is unmatched by an EVA foam material with equivalent foam expansion and similar elasticity In addition, the foam material improves the performance of existing traditional foam materials, and solves the defects that polyester-type thermoplastic polyurethane elastomer has short service life, easily goes moldy on the product surface and generates mechanical performance loss in the field and damp and hot environment

Thermoplastic polyurethane elastomer foam material and preparation method thereof

The invention relates to the technical field of plastic functional masterbatches, in particular to a smooth, abrasion-resistant and weather-resistant artificial turf masterbatch and a preparation method thereof. The artificial turf masterbatch mainly comprises the following components in percentage by weight: 10 to 20 percent of light stabilizer, 2.5 to 8 percent of ultraviolet absorber, 2.5 to 8 percent of antioxidant, 10 to 20 percent of pigment, 20 to 40 percent of slipping agent, 5 to 10 percent of dispersing agent and 15 to 40 percent of carrier resin. The artificial turf masterbatch has the characteristics of ageing resistance, abrasion resistance, simple production process equipment, and particularly high-level smooth feel, and is applicable to occasions with higher use frequency.

Artificial turf masterbatch and preparation method thereof

The invention discloses a surface treatment method of heat-conducting packing. The surface treatment method is characterized by comprising the following steps of (1) respectively weighing an organic silane coupling agent, an organic solvent and distilled water; (2) orderly adding the organic solvent and the distilled water to the silane coupling agent, dripping acid solution after evenly stirring and mixing; adjusting the pH value of the mixed solution to 3.5-5.5; and then stewing for 5-30 minutes under the condition of 25 DEG C for use; (3) weighing the heat-conducting packing, heating the prepared mixed solution to 50-80 DEG C and keeping the temperature; adding the heat-conducting packing to the mixed solution to reflux and stir for 2-6 hours, and then filtering out the heat-conducting packing; and (4) putting the filtered heat-conducting packing into an oven to bake for 2-6 hours under the condition of 80-120 DEG C, so as to obtain the heat-conducting packing after surface treatment. Application of a heat-conducting silica gel sheet prepared from the heat-conducting packing is also disclosed by the invention; and the silica gel sheet is excellent in heat-conducting property, and good in overall performance.

Surface treatment method and application of heat-conducting packing

The invention discloses a negative-ion-contained artificial grass fiber and a preparation method thereof. The negative-ion-contained artificial grass fiber consists of polypropylene (PP) resin, linear low density polyethylene (LLDPE) resin and negative ion master batch. The negative ion master batch consists of a series of accessory ingredients including ANION series of negative ion powders, an antioxidizer, an anti-ultraviolet agent, a coupling agent, a lubricating agent, a filling agent and pigment. The preparation method comprises the steps of uniformly mixing part of PP resin and all the accessory ingredients in a high-seed mixer, and preparing the mixture into the negative ion master batch by adopting a double-screw extruder; then uniformly mixing the rest PP resin, the LLDPE resin and the negative ion master batch in mixing equipment, then carrying out the processes of screw extrusion film formation, cutting and the like to prepare the negative-ion-contained artificial grass fiber which is the raw materials for preparing a lawn. The negative-ion-contained artificial grass fiber has the obvious effects of releasing negative ions with the concentration of 2000 per each cubic meter and more than 2000 per each cubic, purifying ambient air, effectively resisting bacteria and removing dust, and being beneficial to physical and psychological health of a human body.

Negative-ion-contained artificial grass fiber and preparation method thereof

The invention relates to an enhanced toughening recycled polyethylene material. The enhanced toughening recycled polyethylene material is characterized by comprising, by mass, recycled polyethylene 100 parts, crosslinking masterbatch 1part to 5 parts, flexibilizer 0part to 3 parts, antioxygen 0.2 part to 1.5 parts, and processing agent 0.1 part to 0.5 part, wherein the crosslinking masterbatch is ethylene-vinyl acetate copolymer with a substrate as ethylene, a cross-linking agent is dicumyl peroxide and the like, an assistant cross-linking agent is melamine three allyl ester and the like, on the basis of total mass of the crosslinking masterbatch, by mass, a base body is 95%-98%, the cross-linking agent is 2%-5%, and the assistant cross-linking agent is 0%-2%. The tensile strength of the enhanced toughening recycled polyethylene material is 11.3-15.3MPa, the rupture elongation ratio is 220%-380%, the notch impact strength is 10.9-14.5KJ/m2, the melt index is 1.6g-2.9g/10min, and the processability is good. The invention further discloses and a preparation method of the enhanced toughening recycled polyethylene material.

Enhanced toughening recycled polyethylene material and preparation method thereof

The invention discloses a high-resilience chemical crosslinked polyethylene foam material and a preparation method thereof. The material mainly comprises the following components by weight: 50-100 parts of polyethylene resin, 0.1-50 parts of elastomer, 5-50 parts of foaming agent, 0.1-5 parts of cross-linking agent, 0.1-10 parts of foaming assistant, and 0.1-5 parts of cross-linking assistant; the components are internally mixed, pelletized, mixed, extruded, and formed into non-cross-linking extruded master slices, and then the master slices are cross-linked and foamed by heating. According to the invention, the elastomer is mixed into PE (poly ethylene) resin to form the foam material, so the resilience of the product is high; meanwhile, the product further has high elongation at break and tensile strength, excellent toughness, and stable chemical and physical properties, so that the product can be widely used in the fields of packaging, sports and protection, transportation and the like.

High-resilience chemical crosslinked polyethylene foam material and preparation method thereof

The invention relates to a technology of color master batches for a polyolefin yarn fiber, which comprises pigments, plastic additives and carrier resin, wherein the plastic additives comprise dispersed lubricant, an antioxidant, a light stabilizer, a coupling agent and liquid paraffin. The process for preparation is that the pigments, a part of plastic additives and the carrier resin are added into a high-speed mixer to be mixed, and then the coupling agent and the liquid paraffin are added to be stirred in a high speed, and at last the above stirred mixture is sent to a twin-screw extruder to be extruded, cooled, dried and granulated. The invention has the characteristics of less dosage, excellent weathering resistance, easy dispersing and excellent processability, and is suitable for the yarn fiber which takes polyethylene, polypropylene and other copolymer as base materials.

Color master batch for polyolefin grass fiber and its preparation method

The invention discloses an aromatic artificial turf fiber, which is prepared by aromatic microcapsule through a blending method or an after-treatment method, wherein the aromatic microcapsule is made from essence and a wall material which is encapsulated on the outer side, and the particle diameter is 1-100 micron. The specific preparation steps are that: 1, the aromatic microcapsule is made through that essence emulsion is coated in the wall material through a monolayer or multilayer wall-building method. 2, The aromatic artificial turf fiber is prepared through the aromatic microcapsule, matrix resin, color master batch or additives are mixed to be extruded and formed, or after the aromatic microcapsule and water are made into finishing agent according to a certain proportion, the finishing agent is adhered on the surface of artificial turf fiber to prepare the aromatic artificial turf fiber through smearing, leaching and pressing. The aromatic artificial turf which is prepared by the invention has the characteristics that the aromatic is uniformly released and is long lasted.

Fragrant artificial lawn fiber and its preparation method

The invention discloses a stored energy enhancing type gypsum plaster board. A gypsum substrate is prepared from the following components in percentage by weight: 40 to 95 percent of building gypsum powder, 5 to 60 percent of a porous sizing phase-change material, 0.05 to 5 percent of a water reducing agent, 0.05 to 5 percent of modified starch, 0.5 to 10 percent of fiber and 50 to 80 percent of water, wherein the porous sizing phase-change material is prepared from a porous sizing body and a fatty acid phase-change body. The invention also discloses a preparation method of the stored energy enhancing type gypsum plaster board. The preparation method comprises the following steps: mixing the solid materials according to weight proportions, and uniformly stirring together; adding 50 to 80 percent of water and quickly stirring, thus preparing gypsum slurry; putting lower surface protection paper under a grinding tool, pouring the gypsum slurry into the grinding tool, striking off, putting upper surface protection paper, flattening and forming. The stored energy enhancing type gypsum plaster board disclosed by the invention has the advantages of low heat conductivity coefficient, moderate phase-change temperature, energy saving, consumption reducing and the like.

Ting Wei

Papers

High-resilience chemical crosslinked polyethylene foam material and preparation method thereof

Color master batch for polyolefin grass fiber and its preparation method

Fragrant artificial lawn fiber and its preparation method

Stored energy enhancing type gypsum plaster board, and preparation method and application thereof

Method for toughening epoxy resin by adopting modified wollastonite