Primer compositions

Details Primer compositions Primer compositions

1995-02-15

1996-01-23

Dean, Ralph H.

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...

524284, 524356, 524379, 524770, 524765, 524774, 524858, 524860, 524588, C08L 8306

Patent

active

054865670

ABSTRACT:
This invention provides a primer composition comprising (A) a polyorganosiloxane resin containing at least 0.01 mole of hydroxyl groups per 100 g of the resin represented by the average composition formula: (R.sup.1).sub.a SiO.sub.(4-a)/2 wherein each R.sup.1 represents a substituted or unsubstituted monovalent hydrocarbon group, and a is a value of 0.4 to 1.8; (B) an alkoxytitanium or a partially hydrolyzed product thereof; (C) an acid; and (D) a solvent. The primer composition can strongly adhere a condensation type room temperature curable silicone elastomer to the surface of the coated metal formed by applying a fluororesin coating, an acrylic resin coating or the like to a metal.

REFERENCES:
patent: 4489127 (1984-12-01), Gutck et al.
patent: 4598134 (1986-07-01), Hirai et al.
patent: 5192364 (1993-03-01), Inoue et al.

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