Epoxidized polyfarnesene and methods for producing the same

    公开(公告)号:US10745503B2

    公开(公告)日:2020-08-18

    申请号:US16104384

    申请日:2018-08-17

    摘要: Aspects of the present invention relate to polymers, and particularly to farnesene polymers functionalized with one or more oxirane groups and, optionally, one or more hydroxyl groups. According to one aspect of the invention, provided is an epoxidized and optionally hydroxyl-functionalized polyfarnesene. The epoxidized farnesene polymer has at least one of a side chain or a main backbone functionalized with at least one oxirane group and, optionally, at least one terminal end functionalized with a hydroxyl group. In accordance with another aspect of the invention, a method is provided for preparing an epoxidized and optionally hydroxyl-functionalized polyfarnesene. The method includes epoxidizing a farnesene polymer, which may optionally contain one or more terminal hydroxyl groups, to functionalize at least one of a side chain or a main backbone of the farnesene polymer with an oxirane group.

    CURABLE RESIN, CURABLE RESIN COMPOSITION, AND CURED PRODUCT

    公开(公告)号:US20230391905A1

    公开(公告)日:2023-12-07

    申请号:US18267768

    申请日:2021-11-18

    申请人: DIC Corporation

    IPC分类号: C08F136/22

    CPC分类号: C08F136/22

    摘要: An object is to provide a cured product superior in heat resistance (high glass transition temperature) and dielectric properties (low dielectric properties) by using a curable resin having a specific structure and superior in storage stability. Specifically, a curable resin represented by general formula (1) below and having a hydroxyl group concentration of 0.005 to 3800 mmol/kg is provided.