High-temperature-resistant CPVC plastic wood composite material

Abstract

The invention provides a high-temperature-resistant CPVC (chlorinated polyvinyl chloride) plastic wood composite material. The composite material is prepared from the following components in percentages by weight: 30% of CPVC resin, 20% of PVCSG-8 resin, 20% of bamboo wood fiber powder, 10% of a light active calcium carbonate inorganic filler, 10% of a modifier, and 5% of a processing auxiliary agent; and the above components are mixed uniformly by utilizing a high-speed mixing machine, the mixing time is 1-2h, then the mixed components are extruded by using a twin-screw extruder, cooling shaping is performed by utilizing a mold matched with the twin-screw extruder, and after treatment is performed by utilizing a tractor, cutting is performed by utilizing a wood plate cutting machine to form composite material wood plates with different length specifications. According to the composite material provided by the invention, CPVC which is a engineering plastic with good high-temperature resistance and excellent aging resistance and corrosion resistance is specifically introduced, the high-temperature-resistant CPVC plastic wood composite material is prepared, and the use deformation temperature of the product is improved by 10 DEG C or more on the basis of conventional plastic wood.

Description

technical field [0001] The invention belongs to the technical field of composite wood boards, in particular to a high-temperature-resistant CPVC (chlorinated polyvinyl chloride) plastic-wood composite material. Background technique [0002] The existing wood-plastic composite materials in the market, the high-temperature-resistant type has a lower temperature of 70-80°C, which cannot be used outdoors. Warping, deformation, and serious shrinkage of the board often occur, which affects the normal use of the product. [0003] Therefore, it is very necessary to invent a high-temperature-resistant CPVC plastic-wood composite material. Contents of the invention [0004] In view of the above technical problems, the present invention provides a high-temperature-resistant CPV wood-plastic composite material to solve the problems that the existing plastic-wood composite materials are often warped, deformed, and severely shrunk when used outdoors. [0005] A high-temperature-resista...

AI Technical Summary

Problems solved by technology

[0004] Aiming at the above technical problems, the present invention provides a high temperature-resistant CPV wood-plastic composite material to solve the problems that the existing wood-plastic composite materials are often exposed to the sun, warping, deformation, and serious shrinkage of the board.

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