Elimination of bloom in [vul-cup] peroxide crosslinked elastomer

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...

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252186, 525106, 525333, 525386, 525387, C08L 2316, C08J 2304, C08K 509, C08K 514

Patent

active

042686377

ABSTRACT:
Disclosed are nonblooming, crosslinkable compositions comprising crosslinkable elastomer, a peroxide crosslinker selected from .alpha.,.alpha.'-bis(t-butylperoxy) meta-diisopropylbenzene, .alpha.,.alpha.'-bis(t-butylperoxy) para-diisopropylbenzene and mixtures thereof, and phthalic anhydride.

REFERENCES:
patent: 2427514 (1947-09-01), Sterrett et al.
patent: 3317454 (1967-05-01), Pedretti
patent: 3338839 (1967-08-01), MacKellar et al.
patent: 3425983 (1969-02-01), Wolfe
patent: 3644592 (1972-02-01), Gilbert
patent: 4008175 (1977-02-01), Barter
Chemical Abstracts, vol. 86 #86:91452p.

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