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US 4,360,636 AGranted
Blends of a sulfone polymer and impact resistant interpolymer
AssigneeStauffer Chemical Company
InventorJoseph Silberberg
Life of this patent
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Abstract
Blends of a sulfone polymer, such as polysulfone, polyethersulfone, or polyphenylsulfone, and an impact resistant interpolymer comprising crosslinked acrylic or methacrylic rubber, crosslinked styrene-acrylonitrile, and uncrosslinked styrene-acrylonitrile polymer components are disclosed.
Claims7
A blend comprising:
- (1) a sulfone polymer and (2) an impact improving amount of an impact resistant interpolymer comprising as the polymeric components crosslinked (meth)acrylate as the first stage, crosslinked styrene-acrylonitrile as the second stage, and uncrosslinked styrene-acrylonitrile as the third stage.
Dependencies are inferred from the claim text.