公开(公告)号：US20220089808A1

公开(公告)日：2022-03-24

申请号：US17418315

申请日：2019-12-24

Applicant: DAICEL CORPORATION

Inventor： Hirose SUZUKI ,  Yoshito NAKAI

IPC: C08G59/24 ,  C09J163/00 ,  C09D163/00 ,  C07D303/16

Abstract: To provide 3,4-epoxycyclohexylmethyl methacrylate that is highly pure and that is useful as a raw material for functional materials or optical members having excellent transparency and heat resistance. An alicyclic epoxy compound product having a purity of 3,4-epoxycyclohexylmethyl methacrylate of 98.0 wt. % or greater and a total content of a compound represented by Formula (a) below and a compound represented by Formula (b) below of 1.3 wt. % or less. This alicyclic epoxy compound product preferably has a Hazen color number of 25 or less.

公开(公告)号：US20220259372A1

公开(公告)日：2022-08-18

申请号：US17627232

申请日：2020-07-14

Applicant: DAICEL CORPORATION

Inventor： Takuya OSAKA ,  Hirose SUZUKI

IPC: C08G59/68 ,  C08J5/24 ,  C08L63/00

Abstract: Provided is a curable composition that forms a fiber-reinforced composite material having excellent heat resistance. The curable composition of the present disclosure includes a compound (1), a compound (2), and a Lewis acid catalyst, the compound (1) being represented by Formula (1), the compound (2) being represented by Formula (2), and the weight ratio of the content of the compound (1) to the content of the compound (2) is from 10/90 to 40/60. The Lewis acid catalyst is preferably a catalyst of a base and a Lewis acid, and particularly preferably is a complex formed by the Lewis acid and an amine. The Lewis acid is represented by Formula (3): MXn (3), where M represents a metal atom selected from B, Al, Fe, Sn, Si, Zn, and Ti, X represents a halogen atom, and n indicates an oxidation number of the metal atom.

公开(公告)号：US20210189058A1

公开(公告)日：2021-06-24

申请号：US16961557

申请日：2019-01-08

Applicant: DAICEL CORPORATION

Inventor： Hirose SUZUKI ,  Yoshito NAKAI

IPC: C08G59/24 ,  C08L63/00 ,  C09D163/00

Abstract: Provided is an alicyclic epoxy compound product used in applications for forming a cured product excellent in heat resistance and transparency.
The alicyclic epoxy compound product according to an embodiment of the present invention includes 3,4-epoxycyclohexylmethyl(3,4-epoxy)cyclohexanecarboxylate, a purity of which is of not less than 98.5 wt. %, and each content of a compound represented by Formula (a) below, a compound represented by Formula (b) below, a compound represented by Formula (c) below, and a compound represented by Formula (d) below is not greater than 0.5 wt. %.