Liquid, solventless, complex polymeric compositions, thermosetti

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – From reactant having at least one -n=c=x group as well as...

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521149, 521155, 521159, 521182, 521183, 521189, 524555, 524560, 524590, 525437, 526301, 526302, 528 44, 528 76, 528 83, 528112, 528119, 528332, 528335, 528363, C08G 8300

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047421479

ABSTRACT:
Liquid, solventless, complex polymeric compositions are provided which thermoset at ambient temperatures through addition polymerization. In a preferred embodiment, a two component system includes a first component comprising amine or acrylate terminated polyurethanes, polyurethane-ureas or polyureas and a second component comprising di or polyacrylates. By adding an excess of acrylate, a one component system can be formed which thermosets when exposed to ultraviolet radiation.

REFERENCES:
patent: 4547562 (1985-10-01), Nichols

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