C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/3029, 400/58
C08L 77/06 (2006.01) C08K 7/14 (2006.01) C08L 77/00 (2006.01) C08L 77/02 (2006.01)
Patent
CA 1250067
ABSTRACT "Polyamide Articles Resistant to Hot Antifreeze Compositions" A polyamide article for use in contact with antifreeze compositions at elevated temperatures wherein the article is formed of a reinforced composition comprising a polyamide selected from nylon 66, nylon 6 and nylon 610 or copolymers thereof, from 10 to 60% by weight of reinforcing filler and from 0.1 to 10%, preferably 0.25 to 5% by weight of a copolymer formed from ethylenically unsaturated monomers and having functional groups extending from the polymer chain capable of reaction with the end groups of the polyamide polymer wherein the copolymer contains up to 50 mole % of residues obtained from ethylenically unsaturated monomers containing functional groups. The functional groups are preferably carboxylic acid or carboxylic acid anhydride groups. The articles include radiator end tanks and water pump bodies and impellers.
456091
Ballantyne Donald G.
Imperial Chemical Industries Plc
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