C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
C08L 31/04 (2006.01) C08L 25/08 (2006.01) C08L 33/06 (2006.01) C08L 33/08 (2006.01)
Patent
CA 2101116
ABSTRACT Polymeric compositions are disclosed containing miscible blends of copolymers, one of which is a vinyl acetate/ethylene copolymer containing about 5 to 30 weight percent ethylene and the other is a copolymer of either acrylic acid or a maleicanhydride with a comonomer selected from styrene, ethyl acrylate, n-butyl acrylate and 2-ethylhexyl acrylate, Windows of miscibility for each of the copolymer blends have been defined and the blends can be advantageously formed by polymerizing the acrylic acid copolymer in the presence of an emulsion of the vinyl acetate/ethylene copolymer in such a way that the polymerization takes place in the suspended vinyl acetate/ethylene copolymer rather than in the aqueous phase.
Bott Richard H.
Cordeiro Cajetan F.
Kuphal Jeffrey A.
Lee Hsueh-Chi
Robeson Lloyd M.
Air Products And Chemicals Inc.
Mcfadden Fincham
LandOfFree
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