General purpose expandable adhesive

Details General purpose expandable adhesive General purpose expandable adhesive

1984-11-09

1986-03-04

Michl, Paul R.

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

Synthetic resins

Processes of preparing a desired or intentional composition...

525415, 528103, 528106, C08K 336

Patent

active

045741328

ABSTRACT:
A general purpose expandable adhesive comprised of a spiroortho ester synthesized from the lactone, 6-caprolactone, and the diglycidyl ethers of bisphenol A and 1,4-butanediol, Cab-o-Sil thickener/thixotrope, silica (325 mesh), and Unirez 2800, amidoamino curing agent, has superior tensile strength, superior bondability and with less void formation to aluminum, steel, wood, and cured concrete as compared with a general purpose adhesive which does not contain a spiroortho ester.

REFERENCES:
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patent: 3960785 (1976-06-01), Babcock
Chem. Abstr. 67, 54117v (1967).
Chem. Abstr. 63, 11732h (1965).
Chem. Abstr. 65, 4052g (1966).
Chem. Abstr. 72, 5609n (1970).
Bailey, W. J. et al., Journal of Poly. Sc: Poly. Chem. Ed., vol. 14; pp. 5-1741, (1976).

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