Radiation curable coating compositions

Details Radiation curable coating compositions Radiation curable coating compositions

1997-10-22

2000-05-30

Seidleck, James J.

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

Synthetic resins

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

522107, 522104, 522106, 522168, C08F 246

Patent

active

060691875

ABSTRACT:
A coating composition which comprises (A) an actinic radiation curable resin, which is the ring-opening addition reaction product of (a) a polyester resin having hydroxyl functionality and (b) a compound having both a cyclic ether group and a (meth)acryloyl group, and preferably (B) at least one compound having at least one radical-polymerizable unsaturated group in a molecule. The composition also preferably comprises (C) a photopolymerization initiator and (D) photosensitizer. A process for obtaining the composition and the coating of metal substrates are also disclosed, as well as coated metal substrates that are particularly useful as cans for beverages, soft drinks, juices, and other food products. The coating compositions and the resulting cured coatings and coated substrates exhibit improved processability, adhesivity, hardness, mar resistance, appearance and retort resistance.

REFERENCES:
patent: 5674623 (1997-10-01), Haddon et al.

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