Ultraviolet curable epoxidized alkyds

Details Ultraviolet curable epoxidized alkyds Ultraviolet curable epoxidized alkyds

1995-02-15

1997-03-18

Bleutge, John C.

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

Synthetic resins

From carboxylic acid or derivative thereof

528297, 528393, 525 71, 525 321, 525 34, 525 36, 525167, 525437, 5253273, 522 4, 522164, 522165, 522170, 522179, 430905, 430908, 430910, C08G 6348, C08F 246

Patent

active

056124457

ABSTRACT:
The epoxidation of alkyds containing anhydrides or diacids with cycloaliphatic unsaturation results in epoxy resins which cure rapidly in UV light to produce uniform films without the use of flow modifiers. The fatty acid portion of the alkyd functions as an internal plasticizer. Crosslinking occurs through oxirane rings in both the anhydride and fatty acid moieties of the alkyd to produce hard, but not brittle films. Excellent water resistance is obtained without thermal post curing.

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