Process for preparation of rubber laminates

Details Process for preparation of rubber laminates Process for preparation of rubber laminates

1988-08-12

1991-06-25

Gallagher, John J.

Stock material or miscellaneous articles

Hollow or container type article

Polymer or resin containing

15624413, 1563071, 428 3691, 428413, 523451, B29D 2200

Patent

active

050265830

ABSTRACT:
Disclosed is a process for the preparation of rubber laminates, according to which a rubber laminate having a high bonding strength can be obtained by contacting an uncured composition A comprising a fluororubber and a metal oxide with an uncured composition B comprising an epichlorohydrin rubber and a phosphonium salt represented by the following general formula: ##STR1## wherein R.sub.1, R.sub.2, R.sub.3 and R.sub.4 each stand for a hydrocarbon residue having 1 to 20 carbon atoms, which may be substituted, with the proviso that up to three of R.sub.1, R.sub.2, R.sub.3 and R.sub.4 may be a primary, secondary or tertiary amino group of a fluoroalkyl group, and R.sub.5 stands for a hydrogen atom or an alkyl group having 1 to 20 carbon atoms, and curing the uncured compositions.

REFERENCES:
patent: 4343861 (1982-08-01), Stivers

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