C - Chemistry – Metallurgy – 08 – F
Patent
C - Chemistry, Metallurgy
08
F
400/5815, 402/59
C08F 8/34 (2006.01) C08L 23/32 (2006.01) C08L 77/00 (2006.01)
Patent
CA 1307617
A B S T R A C T PROCESS FOR THE PREPARATION OF CARBOXYLATED PROPYLENE POLYMERS A process for the preparation of carboxylated propylene homo- and copolymers, which comprises the reaction of a thermoplastic propylene homo- or copolymer with an azidosulfonyl- benzoic acid by mechanically mixing said polymer and said acid at a temperature of at least 180 C in the substantial absence of a free-radical initiator. The carboxylated polymers thus prepared have improved viscosity characteristics and can be used in polymer blends, e.g. with polyamides as well for the preparation of ionomers.
582930
Montell Technology Company B.v.
Smart & Biggar
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