Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1992-10-08
1995-09-19
Teskin, Fred
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
526135, 526204, 526209, 526210, 526213, 526216, 526346, 5263487, 526912, 525268, 525319, C08F 416, C08F 1010
Patent
active
054516471
ABSTRACT:
An olefin polymerization process is provided wherein an olefin chargestock is contacted with an organic compound polymerization initiator, a Lewis acid coinitiator and a pyridine compound such as 2,6-di-tert-butylpyridine to produce homopolymers, copolymers or block copolymers having a narrow molecular weight distribution.
REFERENCES:
patent: 4946899 (1990-08-01), Kennedy et al.
Journal of Macromolecular Science-Chemistry, vol. A18, No. 1, issued 1982 (Dekker Journals, New York), J. P. Kennedy et al., "Carbocationic Polymerization in the Presence of Sterically Hindered Bases", see pp. 1-152.
Faust Rudolf
Gyor Miklos
Wang Hsien-Chang
Exxon Chemical Patents Inc.
Kurtzman Myron B.
Scheider John E.
Teskin Fred
University of Massachusetts Lowell
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