Flexible epoxy adhesives with low bleeding tendency

Details Flexible epoxy adhesives with low bleeding tendency Flexible epoxy adhesives with low bleeding tendency

1997-02-25

1998-09-15

Krass, Frederick

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

156 90, 15624412, 15624424, 1563073, 1563075, 1563077, 156330, 428413, 428416, 428418, 428626, B32B 3300, C08G 5900, C08G 6514

Patent

active

058079599

ABSTRACT:
For use in microelectronics applications, an improvement to an epoxy resin composition to reduce bleeding of the composition when it is applied to a silicon or metal substrate consists in the addition to the composition of a polyhydroxyl compound having two or three hydroxyl groups, or of a monohydroxyl compound that also contains one or more phenyl groups. The hydroxyl compound is present in the composition in a ratio by weight to the flexibilizing compound of from 1:3 to 1:10.

REFERENCES:
patent: 2965607 (1960-12-01), Martin et al.
Chemical Abstracts 12034a, "Allyl 2,4,6-Triallylphenyl Ether and Derivatives", Mar. 1960.

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