Energy polymerizable polyurethane precursors

Details Energy polymerizable polyurethane precursors Energy polymerizable polyurethane precursors

1987-08-28

1988-04-26

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...

528 52, 528 56, 528 59, 523123, C08G 1840

Patent

active

047405775

ABSTRACT:
A polymerizable composition of polyurethane precursors is rapidly cured using energy-activated catalysts to provide polyurethanes. The polymerizable composition is comprised of polyisocyanates with polyols, fillers, coating aids, adjuvants, and a latent catalyst. Latent catalysts are ionic salts of organometallic complex cations. The cured polyurethanes are useful as abrasion resistant coatings, protective finishes such as furniture finishes and floor tiles, binders for magnetic media, adhesives, and have various applications in industries which use photoresist technologies such as graphic arts and electronics, and in the paint and ink industries.

REFERENCES:
patent: 4369206 (1983-01-01), Mayer et al.
patent: 4521545 (1985-06-01), Kerimis et al.
patent: 4544466 (1985-10-01), Lindstrom
patent: 4549945 (1985-10-01), Lindstrom
patent: 4582861 (1986-04-01), Galla et al.
C. Hepburn, "Polyurethane Elastomers", Applied Science Publishers, New York, 1982.
T. Speckard et al., Appl. Polymer Science 1985, 30, 647-666.
C. Bluestein, Polym.--Plast. Technol. Eng. 1981, 17, 83-93.

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