C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/7812
C08L 77/00 (2006.01) C08K 3/22 (2006.01) C08K 3/38 (2006.01) C08K 5/02 (2006.01)
Patent
CA 1090031
ABSTRACT OF THE DISCLOSURE An arc, track and fire resistant polyamide compo- sition comprising 30 to 74.95% of a normally flammable poly- amide, from 15 to 55% of a reinforcing agent, preferably glass fibre, from 5 to 30% of a halogenated flame retardant together with a synergist for the flame retardant consisting of a mixture of 5 to 30% zinc borate and from 0.05 to 1.5% of an oxide selected from antimony, zinc, lead, ferrous, ferric, stannous, stannic and cadmium oxides or mixtures thereof, all percentages being by weight of the total weight of the composition. The compositions of the invention have a balance of electrical, mechanical and fire retardant pro- perties not previously available in reinforced polyamide compositions.
270962
Maslen John
Taylor William H.
Ballantyne Donald G.
Imperial Chemical Industries Limited
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