To provide a polymer excellent in durability.SOLUTION: A copolymer includes a non-conjugated olefin unit and a substituted butadiene unit, in which a vinyl bond amount in the substituted butadiene unit is 20-60 mol%, a main chain is composed of only a non-cyclic structure, a content of the substituted butadiene unit is 25 mol% or more, a weight average molecular weight (Mw) is 50,000 or more, the copolymer includes a chain part where the substituted butadiene units are chained, the substituted butadiene unit is derived from a substituted butadiene compound represented by the following general formula (1), in the general formula (1), R1 to R6 are each independently a hydrogen atom or a monovalent hydrocarbon group having 1 to 12 carbon atoms, but at least one of R1 to R6 is a monovalent hydrocarbon group having 1 to 12 carbon atoms.SELECTED DRAWING: None
【課題】耐久性に優れる重合体を提供する。【解決手段】非共役オレフィン単位と、置換ブタジエン単位と、を含む共重合体であって、前記置換ブタジエン単位におけるビニル結合量が、20~60mol%であり、主鎖が非環状構造のみからなり、前記置換ブタジエン単位の含有量が、25mol%以上であり、重量平均分子量(Mw)が、50,000以上であり、前記置換ブタジエン単位が連鎖している連鎖部分を含み、前記置換ブタジエン単位が、下記一般式(1):TIFF2022099117000010.tif27134[式中、R1~R6は、それぞれ独立して水素原子又は炭素数1~12の一価の炭化水素基であり、但し、R1~R6の内、少なくとも1つは、炭素数1~12の一価の炭化水素基である。]で表される置換ブタジエン化合物に由来することを特徴とする、共重合体である。【選択図】なし
COPOLYMER, RUBBER COMPOSITION, RESIN COMPOSITION, TIRE AND RESIN PRODUCT
共重合体、ゴム組成物、樹脂組成物、タイヤ及び樹脂製品
2022-07-04
Patent
Electronic Resource
Japanese
IPC: | C08F MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS , Makromolekulare Verbindungen, erhalten durch Reaktionen, an denen nur ungesättigte Kohlenstoff-Kohlenstoff-Bindungen beteiligt sind / B60C VEHICLE TYRES , Fahrzeugreifen / C08L COMPOSITIONS OF MACROMOLECULAR COMPOUNDS , Massen auf Basis makromolekularer Verbindungen |
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