Stabilized radiation curable compositions based on unsaturated e

Details Stabilized radiation curable compositions based on unsaturated e Stabilized radiation curable compositions based on unsaturated e

1996-11-27

1999-08-24

Berman, Susan W.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Compositions to be polymerized by wave energy wherein said...

522 93, 522 96, 522 97, 522104, 522107, 522179, 522181, 523506, 524147, 524148, 524151, 524153, 526323, 526333, 25240021, 25240024, C08F 250, C08K 5524, C08L 6707

Patent

active

059425563

ABSTRACT:
Disclosed is a radiation curable composition which includes: (a) an unsaturated ester compound, and (b) a pulverizable vinyl ether compound. The unsaturated ester compound is characterized as having a plurality of unsaturated ester groups per molecule. The pulverizable vinyl ether compound is characterized as including at least one of the following: (a) a compound having an average of greater than 1.0 reactive vinyl ether groups per molecule, and (b) a vinyl ether-containing group bonded to the unsaturated ester compound such that there is an average of at least 1.0 reactive vinyl ether group per molecule. The unsaturated ester compound, the vinyl ether compound and/or a mixture thereof is treated with a reducing agent so as to decompose destabilizing agents present therein that would initiate premature polymerization of the vinyl ether compound. Accordingly, in the stabilized radiation curable coating compositions of this invention, polymerization of the vinyl ether compound is substantially avoided until blended with the unsaturated ester compound and exposed to radiation.

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