C - Chemistry – Metallurgy – 08 – G
Patent
C - Chemistry, Metallurgy
08
G
C08G 69/48 (2006.01) C08G 69/28 (2006.01) C08K 5/3415 (2006.01) C08K 5/5333 (2006.01)
Patent
CA 2125078
Increasing the molecular weight of polyamides Abstract An increase in the molecular weight of newly produced polyamides and recycled polyamide materials can be achieved by heating to above the melting point or glass transition point and adding of a bismaleimide and a sterically hindered hydroxyphenyl-alkyl-phosphonic acid ester or half-ester.
Herbst Heinz
Hoffmann Kurt
Pfaendner Rudolf
Ciba Specialty Chemicals Holding Inc.
Fetherstonhaugh & Co.
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