Elastomer polyurethane-polyurea coatings based on bis(4-isocyana

Details Elastomer polyurethane-polyurea coatings based on bis(4-isocyana Elastomer polyurethane-polyurea coatings based on bis(4-isocyana

1985-04-29

1986-04-08

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...

4273855, 528 62, 528 63, C08G 1810

Patent

active

045814333

ABSTRACT:
The present invention relates to coating compositions comprising (i) an isocyanate prepolymer based on bis(4-isocyanatocyclohexyl)methane and polyalkylene ether polyols having hydroxyl functionalities of 2 to 3 and (ii) at least one diprimary aromatic diamine having at least one alkyl substituent in an ortho-position to one amino group and two alkyl substituents in both ortho-positions to the other amino group.

REFERENCES:
patent: 3428610 (1969-02-01), Klebert
patent: 3600358 (1971-08-01), Taub
patent: 4212916 (1980-07-01), Tanaka et al.
patent: 4463126 (1984-07-01), Gruber et al.

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