C - Chemistry – Metallurgy – 08 – L
Patent
C - Chemistry, Metallurgy
08
L
400/1118
C08L 7/00 (2006.01) C08L 13/00 (2006.01)
Patent
CA 1250678
NATURAL RUBBER CONTAINING COMPOSITION WITH INCREASED TEAR STRENGTH Abstract of the Disclosure Inclusion of selected amounts of particular liquid carboxy-terminated unsaturated butadiene- acrylonitrile copolymers (sometimes referred to here- after as CTBN) increases the tear strength of natural rubber containing compositions. Contrary to conventional alternatives, the composition of the invention allows the inclusion of preferred amounts of reinforcing filler and the use of normal cross-linking conditions without deleterious effect on tear strength and instead is characterized by increased tear strength compared to a natural rubber composition without the CTBN additive.
498549
Firestone Tire & Rubber Company (the)
Ogilvy Renault Llp/s.e.n.c.r.l.,s.r.l.
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