Patent ID: 9587101
Date: 2017-03-07
CPC Classifications: C08F,C08K,C08L

Claim:
1. A polyvinyl chloride composition, comprising the following components based on parts by weight: (a) 100 parts polyvinyl chloride resin, and (b) 2-16 parts toughening modifier; wherein said toughening modifier comprises a rubber powder with an elongation at break greater than 2201% to 3500% and 5-45 wt % weight percentage of chlorine; wherein said toughening modifier is selected from the group consisting of: chlorinated polyethylenes, copolymers of chlorinated polyethylene and (meth)acrylate, or the mixtures of chlorinated polyethylene and (meth)acrylate polymer; said elongation at break is tested by GB/T528-2009; wherein the weight percentage of chlorine is tested by the method A of GB/T7139-2002.