Polyurethane compositions for tire sidewalls and composite artic

Details Polyurethane compositions for tire sidewalls and composite artic Polyurethane compositions for tire sidewalls and composite artic

1979-09-21

1981-03-31

Welsh, Maurice J.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

152330R, 152353R, 156116, 528 73, C08G 1838

Patent

active

042592275

ABSTRACT:
White and colored tire sidewalls are made by fabricating a tire having a concentric groove on at least one sidewall and, after cleaning the groove and coating it with adhesive, filling the groove with a polyurethane composition based on 4,4'-methylenebis(cyclohexyl isocyanate) and one or more polyols, said composition also containing an adduct of an aliphatic diisocyanate with N-(t-butyl)diethanolamine and bis(2,2',6,6'-tetramethyl-4-piperidine) sebacate, then curing the composition at an elevated temperature. Pigmented sidewalls of this invention have high light and weather resistance and an exceptional resistance to contact staining.

REFERENCES:
patent: 3555115 (1971-01-01), Bottomley et al.
patent: 3648748 (1972-03-01), Lovell
patent: 4038256 (1977-07-01), Finelli et al.
patent: 4102870 (1978-07-01), Hofmann et al.

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