Wood and calcium plastic mixed and co-extruded material
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A wood-plastic and mixing technology, applied in the field of decorative materials, can solve the problems of fragility and deformation of calcium-plastic products, and achieve the effect of good body shape, enhanced use range, and not easy to deform
Inactive Publication Date: 2012-07-18
林仕华
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[0004] The present invention proposes a wood-plastic and calcium-plastic mixing and co-extrusion material, aiming to maintain the original characteristics of wood-plastic and calcium-plastic products, and to overcome the defects that wood-plastic products are fragile and cracked calcium-plastic products are easy to deform
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Embodiment 1
[0012] Embodiment 1: A kind of wood-plastic, calcium-plastic mixing and co-extrusion material, which is obtained by mixing and co-extruding the raw materials of the following weight ratio: PVC resin 25kg, wood powder 50-80 mesh 50kg, calcium powder 800 mesh or more 35kg , maleic anhydride grafted 2.5kg, PA-021.8kg, ultraviolet light absorber salicylate phenyl ester 0.1kg, antioxidant tert-butyl hydroquinone 0.1kg, thermal composite lead salt stabilizer 3kg, ACR4013kg, dibutyl Fat 2kg, paraffin 0.8kg, PE vinegar 0.5kg, stearic acid (1801) 0.3kg.
[0013] The process is as follows:
[0014] The above raw materials are mixed at high speed, then kneaded, extruded by twin-screw extrusion equipment, drawn, cooled and formed, cut, tested and other finished products.
[0017] The above raw materials are mixed at high speed, then kneaded, extruded by twin-screw extrusion equipment, drawn, cooled and formed, cut, tested and other finished products.
[0020] The above raw materials are mixed at high speed, then kneaded, extruded by twin-screw extrusion equipment, drawn, cooled and formed, cut, tested and other finished products.
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Abstract
The invention relates to a wood and calcium plastic mixed and co-extruded material. The material is prepared by mixing and co-extruding the following raw materials by weight: 25kg of polyvinyl chloride (PVC) resin, 45 to 50kg of wood powder or rice bran powder of 50 to 80 meshes, 35 to 40kg of calcium powder of more than 800 meshes, 2.5kg of maleic anhydride graft polymer, 1.8kg of polypropylene/polyethylene (PP/PE) wood plastic extruded lubricating, dispersing and coupling agent, 0.1kg of phenyl salicylate, 0.1kg of tertiary butyl hydroquinone, 3 to 3.5kg of hot compounding lead salt stabilizer, 2 to 3kg of PVC processing aid ACR 401, 2kg of dibutyl phthalate, 0.8kg of paraffin, 0.5kg of polyethylene wax and 0.3kg of stearic acid 1801. The wood and calcium plastic mixed product has the advantages of water resistance, fire resistance, flame retardance, insect resistance, health, environment friendliness and the like, the cost of the product is reduced by 1/3 compared with that of a pure wood plastic product, and the performance and application range of the product are far superior to those of the pure wood plastic product and a pure calcium plastic product.
Description
technical field [0001] The invention belongs to the decoration material technology, and in particular relates to an indoor and outdoor decoration material, automobile interior decoration, floor, sanitation products and packaging products. technical background [0002] In recent years, wood-plastic and calcium-plastic products have been widely used in indoor and outdoor decoration, doors and windows, furniture, floors, etc. Due to the unique waterproof, flame-retardant, smooth surface, good hand feeling, strong wood-like feeling, clear lines, paint-free, etc. Advantages, favored by consumers. However, in the process of application, defects are gradually exposed: the original pure wood-plastic products are mainly filled with wood powder, and because the fineness of wood powder is not high, generally 80-120 mesh, so the unit volume is relatively large, so the product shape and structure It is better, but the compactness is poor, there are more voids, the product is fragile, an...
Claims
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