Elastomers containing partially oriented reinforcing fibers,...

Details Elastomers containing partially oriented reinforcing fibers,... Elastomers containing partially oriented reinforcing fibers,...

C - Chemistry, Metallurgy

08

K

C08K 7/02 (2006.01) B60C 1/00 (2006.01) B60C 9/18 (2006.01) B60C 11/14 (2006.01)

Patent

CA 2143129

Partially oriented yarns (POY), when processed into short fibers and used as a fiber reinforcement in an elastomer, have been found to demonstrate reduced crack propagation in the elastomer. POY reinforced elastomers can be used in tires to replace cord reinforced components, and for example, can be used in the tread base of a tire, obviating the need for an overlay ply. In one embodiment it has been found that the properties of a fiber reinforced elastomer can be optimized by using a mixture of partially oriented fibers and fibrillated pulp fibers, such as pulped high modulus rigid rod liquid crystalline fibers, as the fiber reinforcement.

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