C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/4709, 400/54
C08L 61/14 (2006.01) C08G 59/68 (2006.01) C08L 63/00 (2006.01) C08L 67/00 (2006.01) C08L 67/02 (2006.01) C08L 69/00 (2006.01)
Patent
CA 2024947
ABSTRACT Thermoformable, thermosettable resins essentially free of secondary alcohol groups are obtained by reaction of oxiranes in active hydrogen-free epoxies with carboxylate or carbonate groups in active hydrogen-free aryl polyesters, polycarbonates or copolyestercarbonates in the presence of catalytically effective amounts of certain polyorgano phosphonium or phosphine imminium salts.
Parker Theodore L.
Smart & Biggar
The Dow Chemical Company
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