C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 9/02 (2006.01) C08L 9/06 (2006.01) C08L 27/04 (2006.01)
Patent
CA 2048362
ABSTRACT OF THE DISCLOSURE An improved polyvinyl chloride resin-based molding compo- sition is proposed which has good workability in molding and capa- ble of giving rigid shaped articles having high flexural elastic modulus, good heat resistance and excellent impact strength. The composition comprises: (a) 100 parts by weight of a polyvinyl chlo- ride resin having an average degree of polymerization in the range from 1000 to 2300; (b) from 6 to 17 parts by weight of a chlorinated polyethylene of a specified chlorine content, a partially crosslinked acrylonitrile-butadiene copolymeric rubber, of which the content of soluble fraction in tetrahydrofuran isa 30% to 50% by weight, or a combination thereof; and. (c) from 2 to 7 parts by weight of a buta- diene-styrene copolymeric rubber.
Arima Sadaichi
Matsuki Norio
Matsumoto Osamu
Nagata Satoshi
Yoshizawa Shoichi
Gowling Lafleur Henderson Llp
Shin-Etsu Chemical Co. Ltd.
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