"Living" polymers and chain transfer-regulated polymerization pr

Details "Living" polymers and chain transfer-regulated polymerization pr "Living" polymers and chain transfer-regulated polymerization pr

1985-10-15

1987-04-07

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

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

Patent

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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