"Living" polymers and chain transfer-regulated polymerization pr

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...

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526 89, 526194, 526204, 526213, 526217, 526222, 526262, 5263171, 5263297, C08F 444

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active

046562338

ABSTRACT:
Improved process of polymerizing a polar monomer with selected initiators and catalysts, the improvement consisting of having present a chain transfer agent having a pKa greater than 18 but less than 25 and containing at least one reactive hydrogen atom which terminates the growth of "living" polymer.

REFERENCES:
patent: 3965080 (1976-06-01), Hargis et al.
patent: 4417034 (1983-11-01), Webster
patent: 4581428 (1986-04-01), Farnham et al.
patent: 4588795 (1986-05-01), Dicker et al.

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