Olefinically unsaturated polyisocyanates

Details Olefinically unsaturated polyisocyanates Olefinically unsaturated polyisocyanates

1995-05-08

2000-08-29

Gorr, Rachel

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 49, 526301, 526312, 25218218, 560330, 560355, C08G 1862

Patent

active

061110531

ABSTRACT:
The invention relates to olefinically unsaturated polyisocyanates containing allophanate groups and having an NCO content of 6 to 20% by weight, an iodine value of 15 to 150, a content of hydrocarbon chains containing 12 to 30 carbon atoms of 100 to 700 mg/g and a content of allophanate groups of 10 to 300 mg/g, to a process for their production by reaction of a polyisocyanate component containing urethane groups with excess polyisocyanates, and to a one-component coating composition containing these olefinically unsaturated polyisocyanates as binders.

REFERENCES:
patent: 4160080 (1979-07-01), Koenig et al.
patent: 4810820 (1989-03-01), Slack et al.
patent: 5208334 (1993-05-01), Potter et al.
patent: 5235018 (1993-08-01), Potter et al.
patent: 5283311 (1994-02-01), Narayan et al.

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