Polyurea coatings for objects of metal glass wood or plastic

Details Polyurea coatings for objects of metal glass wood or plastic Polyurea coatings for objects of metal glass wood or plastic

1986-04-25

1987-05-05

Page, Thurman K.

Coating processes

With post-treatment of coating or coating material

Heating or drying

4273897, 427393, 4273935, B05D 302

Patent

active

046632018

ABSTRACT:
The polyurea resulting from curing polyfunctional isocyanates having at least three groups with a N,N'-dialkylmethylenedianiline are broadly useful as coatings on the surface of objects made of metal, wood, glass, or plastic. Such coatings may be made based on either a 1-pack system or 2-pack system. The diamine N,N'-di(2-butyl)4,4'-methylenedianiline is a particularly useful diamine. Biurets are an especially desirable class of polyisocyanates for the polyureas of this invention.

REFERENCES:
patent: 3367920 (1968-02-01), Wasserman et al.
patent: 3846351 (1974-11-01), Huffaker et al.
patent: 4248756 (1981-02-01), Konig et al.
patent: 4410597 (1983-10-01), Nishino et al.
patent: 4524104 (1985-06-01), Hagio et al.
patent: 4581433 (1986-04-01), Potter et al.
R. Heath, Urethanes Technology, Mar. 1985, 17-20.

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