Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1985-01-14
1986-05-27
Ziegler, Jacob
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
156502, 156503, 525151, 525352, 525368, 525369, 525370, 525373, 525412, C08L 7102
Patent
active
045916179
ABSTRACT:
Disclosed are crosslinking compositions having both sulfur and nonsulfur curative systems which are particularly adapted for crosslinking rubber blends of (a) from about 35% to about 85% halobutyl rubber or a mixture of butyl rubber and halobutyl rubber wherein the halobutyl rubber is at least 50% by weight of the mixture and (b) from about 15% to about 65% of an epihalohydrin rubber, and to the rubber materials crosslinked therewith. The rubber materials crosslinked with these crosslinking compositions have an excellent balance of cure rate, cure state and scorch safety; have improved tire carcass adhesion and good impermeability to gases; and are useful in tire inner tubes and inner liners.
REFERENCES:
patent: 3096301 (1963-07-01), Jankowski et al.
patent: 3261789 (1966-07-01), Berger et al.
patent: 3351517 (1967-11-01), Willis
patent: 3586087 (1971-06-01), Messerly et al.
patent: 3649715 (1972-03-01), Oetzel
patent: 3787376 (1974-01-01), Nakamura et al.
Hercules Incorporated
Player William E.
Ziegler Jacob
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