Tire filling materials

Details Tire filling materials Tire filling materials

B - Operations, Transporting

60

C

400/7429, 152/72

B60C 5/00 (2006.01) B29D 30/04 (2006.01) B60C 7/10 (2006.01) C08G 18/48 (2006.01) C08K 5/10 (2006.01) C08L 75/08 (2006.01)

Patent

CA 1117682

TITLE OF THE INVENTION Tire Filling Materials ABSTRACT OF THE DISCLOSURE Tire filling material having high resilience produced by curing a mixture of (a) a polyoxypropylene polyol having an OH equivalent molecular weight of 900 - 1,800 and a functionality of 2 - 4, (b) a polyisocyanate, and (c) a plasticizer in the presence of a catalyst where the equivalent ratio (NCO/OH) of isocyanate groups in the component (b) to hydroxyl groups in the component (a) is from 0.8 - 2.0 and the amount of the component (c) is 10 - 200 parts by weight per 100 parts by weight of the component (a).

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