Castor oil based polyurethane for underbody coatings and the lik

Details Castor oil based polyurethane for underbody coatings and the lik Castor oil based polyurethane for underbody coatings and the lik

1990-08-31

1991-06-04

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...

25218222, 4273881, 4273883, 427393, 4284231, 4284251, 4284255, C08G 1830

Patent

active

050215353

ABSTRACT:
The component polyol/polyisocyanate composition useful in forming an abrasion resistant polyurethane automotive undercoating. The polyol component is unmodified castor oil or castor oil modified with cyclohexanone-formaldehyde condensate. The modified castor oil may be further modified by adding the reaction product of neopentyl glycol and adipic acid. The polyisocyanate component comprises an MDI-based mixture containing polyisocyanate prepolymers based on alkylene oxides.

REFERENCES:
patent: 4567230 (1986-01-01), Meyer
patent: 4788269 (1988-11-01), Vu et al.
patent: 4804743 (1989-02-01), Vu et al.
patent: 4855185 (1989-08-01), Vu et al.
patent: 4859735 (1989-08-01), Vu et al.
patent: 4877829 (1989-10-01), Vu et al.

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