Conjugated diene chain-transfer agents for polymerization of ole

Details Conjugated diene chain-transfer agents for polymerization of ole Conjugated diene chain-transfer agents for polymerization of ole

1993-11-10

1995-03-07

Schofer, Joseph L.

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

Synthetic resins

Polymers from only ethylenic monomers or processes of...

526214, 526222, C08F 238

Patent

active

053959035

ABSTRACT:
Odorless functional (co)polymers are prepared by polymerizing, for example via aqueous emulsion, bulk or organic solution polymerization, at least one olefinically unsaturated monomer, e.g., styrene, butadiene, a (meth)acrylate or a vinyl nitrile, in the presence of a molecular weight/crosslinking-regulating amount of a conjugated diene chain-transfer agent having the formula (1): ##STR1##

REFERENCES:
patent: 2497107 (1950-02-01), Weber
patent: 5194539 (1993-03-01), Charmot et al.
Polymerization Process-Schildknecht 1977 p. 18.
Chemical Abstracts, vol. 79, No. 11, 17 Sep. 1973, Columbus, Ohio, U.S. abstract No. 65709p, & Pogosyan et al-Arm. Khim. Zh. vol. 26, No. 4, 1973, pp. 339-340.
Chemical Abstracts, vol. 98, No. 19, 9 May 1983, Columbus, Ohio, US; abstract No. 159844y, & Graefing, R. et al, Recl. J. R. Neth. Chem. Soc. vol. 101, No. 10, 1982, pp. 346-351.
Tetrahedron Letters, vol. 30, No. 46, 1989, Oxford GB pp. 6405-6408, Tatsuo Hamada et al. Diels-Alder reaction of chiral dienes. Remarkable effect of dienophile polarity upon diastereo face selectivity.

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