Method of indicating a cure point for ultraviolet radiation curi

Details Method of indicating a cure point for ultraviolet radiation curi Method of indicating a cure point for ultraviolet radiation curi

1992-03-09

1994-04-12

Berman, Susan

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

Synthetic resins

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

522 16, 522 48, 522 26, 522 75, 522 99, 522 96, 522 42, C08F 250, C08F28304, C08F28312, C08G 1804

Patent

active

053026276

ABSTRACT:
Adding a dye with a visible color to an ultraviolet radiation curable composition which contains a photoinitiator which generates free radicals upon exposure to ultraviolet radiation produces a composition which changes visible color upon exposure to ultraviolet radiation. This visible color change indicates that the composition has cured. This cure indication is useful for compositions curable by ultraviolet radiation in the electronics and electrical industry.

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RD-247016 (abstract), Nov. 10, 1984.
Derwent Abstract, JO1204902, Aug. 17, 1989.
Derwent Abstract, JO1297483, Nov. 30, 1989.

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