A petroleum resin that is a polymer of a raw material component including a C9 fraction containing an aromatic olefin and dicyclopentadiene, in which a ratio C2/C1 (mass ratio) of a content C2 of the aromatic olefin to a content C1 of the dicyclopentadiene in the raw material component is 0.35 or more and 0.5 or less, and a softening point is 150° C. or higher.
PETROLEUM RESIN, ADDITIVE FOR RUBBER, UNCROSSLINKED RUBBER COMPOSITION, AND CROSSLINKED RUBBER
2024-09-19
Patent
Electronic Resource
English
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 |
PETROLEUM RESIN, ADDITIVE FOR RUBBER, UNCROSSLINKED RUBBER COMPOSITION, AND CROSSLINKED RUBBER
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