Adhesive compositions based on polyurethane and on a polyamine s

Details Adhesive compositions based on polyurethane and on a polyamine s Adhesive compositions based on polyurethane and on a polyamine s

1997-10-02

1999-09-21

Niland, Patrick D.

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

Synthetic resins

At least one aryl ring which is part of a fused or bridged...

1563314, 1563317, 524589, 528 44, 528 60, 528 61, 528 64, C08J 300, C08K 320, C08L 7500, C09J 400

Patent

active

059555335

ABSTRACT:
The invention relates to adhesive compositions based on polyurethane and on a polyamine suspension, characterized in that the free isocyanate functional group content is between 2 and 9% by weight and the polyamine is in the form of particles of mean diameter between 30 and 60 .mu.m. Its subject-matter is also a process for the preparation of the said compositions which consists in reacting a polyol and a polyisocyanate to form a polyurethane prepolymer, which prepolymer is mixed with the polyamine suspension.
Such compositions can be employed for the adhesive bonding of materials especially for motor vehicles.

REFERENCES:
French Search Report dated Jun. 5, 1997.

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