Structural adhesives

Details Structural adhesives Structural adhesives

1998-08-25

2000-06-20

Gorr, Rachel

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...

528 65, 528 75, 528 85, 528905, 525127, 525130, C08G 1810

Patent

active

06077925&

ABSTRACT:
The present invention relates to a structural adhesive compositions comprising a polyurethane which is obtainable by reacting a polyisocyanate having a functionality in the range of from 2 to 3 and a hydrogenated polybutadiene polyol having a functionality in the range from 1.5 to 2.5 and a 1,2 vinyl content prior to hydrogenation of from 30 to 70% by weight, and wherein the NCO:OH molar ratio is in the range from more than 1.05 up to 1.6.

REFERENCES:
patent: 3437622 (1969-04-01), Dahl
patent: 4820368 (1989-04-01), Markevka et al.
patent: 5393843 (1995-02-01), Handlin, Jr. et al.
International Search Report of Dec. 3, 1998.

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