| 摘要 |
<p>The invention relates to a polymer composition based on a copolymer of an unsaturated nitrile, a substantially saturated rubber, a chlorinated polyethylene, and a vinylchloride polymer.</p><p>To improve the impact resistance and the flexural modulus the polymer composition according to the invention comprises:
<UnorderedLists id="ula01" listStyle="none"><ListItem>a. 50-95 parts by weight of:
<UnorderedLists id="ula02" listStyle="none"><ListItem>a.1 5-70 parts by wt. of one or more polymers obtained by polymerizing a mixture of: 10-90 % wt. styrene and/or styrene derivatives, 90-10 % wt. acrylonitrile and/or methacrylonitrile, and 0-20 % wt. of one or more other monomers, and</ListItem><ListItem>a.2 95-30 % wt. of vinylchloride polymer, and</ListItem></UnorderedLists></ListItem><ListItem>b. 5-50 parts by weight of:
<UnorderedLists id="ula03" listStyle="none"><ListItem>b.1 a substantially saturated rubber, and</ListItem><ListItem>b.2 chlorinated polyethylene, with the vinychloride polymer content in the overall polymer composition being not lower than 25 % by weight.</ListItem></UnorderedLists></ListItem></UnorderedLists></p> |
