Flexible epoxy adhesive blend

Details Flexible epoxy adhesive blend Flexible epoxy adhesive blend

1988-01-19

1989-09-12

Ivy, C. Warren

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

Synthetic resins

Processes of preparing a desired or intentional composition...

523457, 523466, 523309, 523456, 428 40, 428215, 156230, C08L 6300

Patent

active

048661082

ABSTRACT:
A flexible epoxy adhesive composition comprising a mixture of a fatty acid modified epoxy resin and an oxypropylene epoxy resin in the ratio of about 1:3 to 1:1. The adhesive paste also includes a stoichiometric amount of a polyamine curing agent, 1 to 20 total liquid weight percent of a plasticizer and 1 to 5 weight percent of microfine silicon dioxide particles. Fillers, such as aluminum oxide and glass beads, are optionally added. This adhesive paste is particularly well suited for use as a flat pack adhesive to provide a releasable bond and is also well suited for use in space applications.

REFERENCES:
patent: 2682515 (1954-06-01), Naps
patent: 4211685 (1980-07-01), Konovenko
patent: 4304694 (1981-12-01), Scola
patent: 4488282 (1984-12-01), Chung

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