A bendable PVC low-foam board and a preparing method thereof

Abstract

A bendable PVC low-foam board and a preparing method thereof are disclosed. The board includes a middle layer that is a PVC low-foam layer. An outer layer is attached to each of upper and lower surfaces of the middle layer and is a PVC layer. The PVC layer includes PVC resin, a thermal stabilizer, a lubricant, a plasticizer and a processing auxiliary. The low-foam layer includes PVC resin, a thermal stabilizer, a lubricant, a plasticizer, a middle-layer processing auxiliary, a foaming agent and a filler, with the thermal stabilizer being a calcium-zinc stabilizer. The processing auxiliary in the PVC layer includes ACR impact modifier and chlorinated polyethylene. The foaming agent is a composite foaming agent and is prepared from azodicarbonamide and sodium bicarbonate in a weight ratio of1:3. The lubricant includes G60, stearic acid and polyethylene wax. The board has excellent bending performance, is a green material replacing wood with plastic and can be widely applied in the fieldof building decoration.

Description

technical field [0001] The invention relates to the technical field of building decoration board processing, in particular to a bendable PVC low-foaming board and a preparation method thereof. The bendable PVC low-foaming board prepared by it is mainly used in the fields of wall decoration or space partition and the like . Background technique [0002] PVC (polyvinyl chloride) low-foaming board is one of the typical new chemical building materials that replace wood with plastic. It is an ideal green and environmentally friendly building decoration material. It is widely used in vehicle and ship manufacturing, furniture, kitchen and bathroom materials, and decoration. and other industries. [0003] In the traditional decoration industry, wood or wallpaper is directly used to cover walls or furniture. The use of wood is not friendly to the environment and is not an ideal environmental protection material. Moreover, wallpaper and wood are prone to moisture absorption and textu...

AI Technical Summary

Problems solved by technology

[0003] In the traditional decoration industry, wood or wallpaper is directly used to cover walls or furniture. The use of wood is not friendly to the environment and is not an ideal environmental protection material. Moreover, wallpaper and wood are prone to moisture absorption and texture. It is not hard enough, it cannot play a good role in coating protection, the maintenance cost is high, and the sound insulation effect is not ideal

When the traditional PVC board is used for wall decoration, the existing assembly process is cumbersome, and when the wall has radians or corners and mounts multi-prisms, the direct bending of the traditional PVC board is prone to cracks or breaks at the bends , it must be spliced ​​after being opened, but the gap at the joint needs to be further modified to eliminate, which greatly reduces the decorative effect of the entire wall or column and increases the workload of decoration

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