Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...
Patent
1989-05-31
1991-09-10
Martin, Roland
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Compositions to be polymerized by wave energy wherein said...
522100, 522103, 522182, 526256, 526268, 526259, 526299, 526280, 526284, 528 15, 528 25, 528 27, 528 28, C08F 1232, C08F26504, C08F21232, C08G 7704
Patent
active
050474448
ABSTRACT:
A curable composition, the cure of which can be monitored optically, comprises at least one of a hydride curable silicone, an ethylenically unsaturated compound, and a cationically polymerizable monomer, and as cure monitor dibenzofulvene or derivatives thereof. The cure monitor is a latent fluorophore which reacts under the cure conditions to form a UV-detectable fluorophore.
The invention also provides a method for measuring degree of cure of a polymeric material which can be a coating or an article.
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Brown-Wensley Katherine A.
DeVoe Robert J.
Tiers George V. D.
Berman Susan
Griswold Gary L.
Kirn Walter N.
Martin Roland
Minnesota Mining and Manufacturing Company
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