Tire balancing composition

Details Tire balancing composition Tire balancing composition

1988-02-05

1989-09-19

Morris, Theodore

Compositions: coating or plastic

Coating or plastic compositions

Carbohydrate or derivative containing

106 33, 106162, 106204, 1521541, C08L 108, B60B 1300

Patent

active

048677922

ABSTRACT:
A thixotropic tire balancing composition having a yield stress value between 30 Pa and 260 Pa, preferably about 120 Pa, is capable of balancing air by being capable of flowing under the influence of the vibrations induced when a heavy spot on the tire contacts the road surface. The composition preferably comprises a mixture of: (1) a liquid di- or trihydric alcohol or a di-, tri-, or tetrameric oligomer thereof, optionally containing water; (2) a polymer soluble or dispersible in the alcohol; (3) hydrophilic fibers; and, optionally, ( 4) a hydrophilic filler. The alcohol 1) is preferably a diol of the general formula HO-(CH(R)-CH.sub.2 -O).sub.n -H wherein R is hydrogen or C.sub.1-2 alkyl and n is an integer from 1 to 4.

REFERENCES:
patent: 4101494 (1978-07-01), Kent et al.
patent: 4139395 (1979-02-01), Dunlap
patent: 4701016 (1987-10-01), Gartside
patent: 4713114 (1987-12-01), Smith

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