Additive system to improve adhesion and hydrolytic stability of

Details Additive system to improve adhesion and hydrolytic stability of Additive system to improve adhesion and hydrolytic stability of

1997-09-10

2000-03-07

Dawson, Robert

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

428447, 528 15, C08K 8302, C08L 8305

Patent

active

060341742

ABSTRACT:
An adhesion promoting method and a corresponding composition for improving the performance of silicone elastomers at high humidity are disclosed. The improved adhesion promoter comprises: (a) an epoxy functional silane; and (b) an acid. The acid may be phosphoric acid or any organic acid. Acetic and citric acids are preferred. The inclusion of the epoxy functional silane and acid in a standard silicone elastomer system provides greatly enhanced stability and adhesion under conditions of high humidity.

REFERENCES:
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patent: 4483973 (1984-11-01), Lucas et al.
patent: 4528353 (1985-07-01), Lucas et al.
patent: 4774035 (1988-09-01), Carmelite et al.
patent: 4997882 (1991-03-01), Martz et al.
patent: 5213899 (1993-05-01), Lucas
patent: 5420196 (1995-05-01), Lucas

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