Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Polymers from only ethylenic monomers or processes of...
Patent
1988-12-08
1991-03-05
Pal, Asok
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Polymers from only ethylenic monomers or processes of...
585 12, 585 17, 585 20, C07C 226
Patent
active
049978985
ABSTRACT:
A novel crystalline vinylcyclohexane-based polymer having a repeating unit represented by the general formula: ##STR1## (wherein all the symbols are as defined in the appended claims), a degree of polymerization of at least 5 and mainly syndiotactic configuration. This polymer is produced by hydrogenating a styrene-based polymer having a repeating unit represented by the general formula: ##STR2## (wherein all the symbols are as defined in the appended claims), a degree of polymerization of at least 5 and mainly syndiotactic configuration.
REFERENCES:
patent: 4226965 (1980-10-01), Grigoriev et al.
patent: 4663394 (1987-05-01), Kakugo et al.
Journal of Polymer Science, Polymer Letters Edition, vol. 7, No. 6, Jun. 1969, New York, U.S.A., pp. 427-435; A. Abe; A. Abe: "Structure and Properties of Poly(Vinylcyclohexane)", * p. 427, lines 6-10 *.
Ishihara Nobuhide
Kuramoto Masahiko
Idemitsu Kosan Co. Ltd.
Pal Asok
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