Powder coating compositions containing polyurethanes having (met

Details Powder coating compositions containing polyurethanes having (met Powder coating compositions containing polyurethanes having (met

1990-07-20

1991-11-26

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...

C08G 1830

Patent

active

050683055

ABSTRACT:
The present invention relates to powder coating compositions which can be cured in the presence of heat and/or high energy radiation and contain polyurethanes which melt at temperatures of 50.degree. to 180.degree. C., have 3 to 10% by weight of olefinic double bonds in the form of (meth)acryloyl groups (calculated as .dbd.C.dbd.C.dbd., molecular weight=24) and are based on the reaction product of

REFERENCES:
patent: 4133723 (1979-01-01), Howard et al.
patent: 4225650 (1980-09-01), van Brederode et al.
patent: 4839438 (1989-06-01), Evers et al.

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