Novel sulfur compound modifiers for chloroprene polymerization

Details Novel sulfur compound modifiers for chloroprene polymerization Novel sulfur compound modifiers for chloroprene polymerization

1977-09-09

1979-07-03

Lilling, Herbert J.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526214, 526223, 526914, C08F 200, C08F 428, C08F21414, C08F 3400

Patent

active

041600797

ABSTRACT:
Chloroprene is polymerized in the presence of compounds of the formula ##STR1## where X, Y and Z are selected from the group consisting of oxygen and sulfur, R.sub.1 is a hydrocarbon radical having from 1 to 8 carbon atoms, R.sub.2 is a hydrocarbon radical having from 1 to 8 carbon atoms or is a radical the same as ##STR2## R.sub.3 and R.sub.4 are selected from the group consisting of hydrocarbon radicals having from 1 to 8 carbon atoms or hydrogen with at least one of R.sub.3 and R.sub.4 not being hydrogen and n is 1 to 4.

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patent: 3190865 (1965-06-01), Miller
patent: 3300433 (1967-01-01), Apotheker
patent: 3393187 (1968-07-01), Hargraves et al.
patent: 3472828 (1969-10-01), Montgomery
patent: 3507825 (1970-04-01), Paris
patent: 3775390 (1973-11-01), Khan

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