Thermosetting resin glues foamable to high density

Details Thermosetting resin glues foamable to high density Thermosetting resin glues foamable to high density

1982-05-06

1983-09-06

Foelak, Morton

Stock material or miscellaneous articles

Web or sheet containing structurally defined element or...

Composite having voids in a component

521122, 521128, 521129, 521187, 521188, B32B 326

Patent

active

044030134

ABSTRACT:
A glue foamable to high density comprises an aqueous alkaline thermosetting resin and a surfactant comprising (1) a fatty acid amide of the alkanol-amines or (2) a tertiary amine oxide used in amount sufficient to render the glue foamable to a stable foam having a density of at least 0.5 and a viscosity of from 1,000 to 20,000 centipoises upon being beaten with air. The glue is useful particularly in the manufacture of plywood.

REFERENCES:
patent: 2446429 (1948-08-01), Nelson et al.
patent: 3821337 (1974-06-01), Bunclark et al.
patent: 4208485 (1980-06-01), Nahta

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