Process for stabilizing the viscosity of an epoxy resin-acid anh

Details Process for stabilizing the viscosity of an epoxy resin-acid anh Process for stabilizing the viscosity of an epoxy resin-acid anh

1985-09-27

1986-07-22

Nielsen, Earl

Adhesive bonding and miscellaneous chemical manufacture

Methods

Surface bonding and/or assembly therefor

156330, 525114, 525438, 525488, 525524, B65H 8100, C08G 5920

Patent

active

046017690

ABSTRACT:
A method is described for stabilizing the viscosity of a liquid epoxy-anhydride system which is a blend of a liquid epoxy resin, a liquid anhydride curing agent and a quaternary ammonium salt promoter for an epoxy-anhydride reaction. This system is especially useful in the manufacture of tubing, piping and other geometric structures. The method employs at least one of the following modifications:

REFERENCES:
patent: 3948849 (1976-04-01), Barie
patent: 4120913 (1978-10-01), Petrie
patent: 4324713 (1982-04-01), Kita et al.
Chemical Abstracts 92, 7428d (1979).
Chemical Abstracts 99, 54506v (1983).

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