Two-component polyurethane adhesive

Details Two-component polyurethane adhesive Two-component polyurethane adhesive

1984-12-12

1985-11-05

Welsh, Maurice J.

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

Synthetic resins

From reactant having at least one -n=c=x group as well as...

156327, 156330, 1563314, 4273855, 427386, 528 66, 528 73, 528 745, 528 75, 528 76, 528 77, 528 78, 528 79, C08G 1848

Patent

active

045515174

ABSTRACT:
The invention relates to two-component polyurethane adhesive preparations in which the resin component is an oleochemical polyol. The oleochemical polyols used are ring-opened products of the reaction of epoxidized fatty alcohols, fatty acid esters (particularly triglycerides) or fatty acid amides with alcohols. The oleochemical polyols may be varied within wide limits in regard to their OH-functionality and so formulated with the hardener polyisocyanate components that the adhesives satisfy the relevant requirements. Reaction products of epoxidized triglycerides with monohydric alcohols are a particularly effective substitute for castor oil.

REFERENCES:
patent: 3699061 (1972-10-01), Cunningham
patent: 4025477 (1977-05-01), Borden et al.
J. American Chem. Soc. 66, 1925, (1944), D. Swern.

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