C - Chemistry – Metallurgy – 08 – K
Patent
C - Chemistry, Metallurgy
08
K
400/3044, 400/49
C08K 5/05 (2006.01) C08K 5/00 (2006.01) C08K 5/13 (2006.01) C08L 27/06 (2006.01) C08L 51/04 (2006.01)
Patent
CA 1167589
Abstract of the Disclosure Methyl methacrylate-butadiene-styrene polymer impact modifiers are improved by mixing them with about 0.01 to 5 percent by weight of a compound of the formula (I) Image wherein R and R2 are C1 to C4 alkyl, R3 and R4 are H, C to C4 alkyl, or 4'-hydroxy-2'-R2-5'-R1-phenyl. Polyvinyl chloride (PVC) is mixed with the improved impact modifiers and has improved dispersion and resistance to discoloration.
380856
Clikeman Richard R.
Jones Donald H.
Shortridge Thomas J.
Troy Edward J.
Gowling Lafleur Henderson Llp
Rohm And Haas Company
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