Catalysts and initiators for polymerization

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Compositions to be polymerized by wave energy wherein said...

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522 49, 522 65, 522 66, 526 89, 526131, 526195, C08F 246, C08F 406

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055147283

ABSTRACT:
Salts having a cationic portion of either a mono-, polyvent metal center, onium salts or organometallic salts and a nonnucleophilic anion are useful as catalysts and initiators that may be photochemically or thermally-activated, and polymerizable compositions containing such catalysts and initiator salts and at least one of a cationic or free-radical addition polymerizable monomers, or catalyzed step-growth polymerizable monomers.

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