PVC (polyvinyl chloride) based wood plastic and preparation method thereof
The invention relates to PVC (polyvinyl chloride) based wood plastic and a preparation method thereof, belonging to the technical field of plastic compound modification processing. The invention aims at providing PVC based wood plastic and a preparation method thereof which can produce a PVC based wood plastic section with good mechanical property and stability. The technical scheme is as follows: the PVC based wood plastic comprises the following raw materials in parts by weight: 40 60 parts of PVC resin, 10 20 parts of wood meal, 0.2 1 part of polyethylene wax, 0.3 1 part of processing aid ACR 401, 2 6 parts of modifier CPE 135A, 1.5 4.5 parts of PVC composite heat stabilizer, 0.3 0.7 part of external lubricant, 1 3 parts of toner, 0.2 1 part of foaming agent, 2 7 parts of foaming regulator, 10 18 parts of calcium carbonate and 0.1 0.7 part of sodium bicarbonate. The preparation method provided by the invention is suitable for the extrusion molding of PVC based wood plastic.