PVC (polyvinyl chloride) low-shrinkage floor film and preparation method thereof

The invention discloses a PVC (polyvinyl chloride) low-shrinkage floor film and a preparation method thereof, and relates to the technical field of floors, the technical scheme is that the PVC low-shrinkage floor film comprises the following raw materials (by weight): 100g-150g of PVC resin, 20g-40g of a plasticizer, 0.5-1.5 g of an auxiliary plasticizer and 1.2-2.0 g of a stabilizer, S1, the plasticizer, the auxiliary plasticizer and the stabilizer are put into a stirrer for mixing to obtain a mixture; s2, setting the roller temperature and the roller spacing in the open mill; s3, the PVC resin is put into an open mill for plastifying; s4, putting the mixture into an open mill for plastifying, and cutting the refined PVC resin for many times during plastifying, the PVC low-shrinkage floor film and the preparation method thereof have the beneficial effects that the PVC resin, the plasticizer, the auxiliary plasticizer and the stabilizer are selected as raw materials and then are proportioned according to a ce