Coatings prepared from prepolymers and aromatic diamines having

Details Coatings prepared from prepolymers and aromatic diamines having Coatings prepared from prepolymers and aromatic diamines having

1983-01-27

1984-07-31

Welsh, Maurice J.

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...

427136, 4273936, 4284255, 524590, 528 64, C08G 1810

Patent

active

044631260

ABSTRACT:
The present invention relates to a process for the preparation of coatings using a coating compound based on a system comprising (i) an isocyanate prepolymer based on isophorone diisocyanate and polyalkylene ether polyols having a hydroxyl functionality of 2 to 3 and (ii) at least one diprimary aromatic diamine having at least one alkyl substituent with 2 to 3 carbon atoms in an ortho-position to each amino group.

REFERENCES:
patent: 3428610 (1969-02-01), Klebert
patent: 3931115 (1976-01-01), Strassel
patent: 4218543 (1980-08-01), Weber et al.
"Rissuberbruckende Kunststoffbeschichtungen fur mineralische Baustoffe" by Gunter Rieche, Otto-Graf-Institut Stuttgart, Farbe und Lack, publishers Kurt Vinzenz Verlag, Hanover, Year 85, pp. 824-831, 1979.
"Polyurethane fur Beschichtungen und Abdichtungen im Bauwesen", Hermann Gruber, Farbe und Lack, publishers Verlag Vinzenz, Hanover, Year 80, pp. 831-837.

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