FIELD: vinylcyclohexane-based polymer or copolymer with isotactic structure.
SUBSTANCE: claimed polymer or copolymer may be obtained using comonomers selected from at least one monomer of group including olefine, (meth)acrylic alkyl esters, cyclopentadiene, cyclohexene, cyclohexadiene, optionally substituted norbornene, dicyclopentadiene, optionally substituted tetracyclododecenes, alkylated in nuclear styrene, alpha-methylstyrene, divinylbenzene, vinyl ester, vinyl ether, vinyl acetate, vinyl acid, (meth)acrylonitrile, maleic anhydride. Polymer contains more than 50.1 % and less than 74 % of isotactic diads.
EFFECT: polymer of high transparency useful as material for substrate in optical memory devices.
3 cl, 4 ex, 2 tbl
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