公开(公告)号：US20220389126A1

公开(公告)日：2022-12-08

申请号：US17621353

申请日：2020-06-22

Applicant: Showa Denko Materials Co., Ltd.

Inventor： Shigeru KURIMOTO ,  Yuga TACHIBANA ,  Hidekazu KONDOU ,  Kazuaki NAKADA ,  Yasutoshi TOKITA ,  Kohsuke IWAMOTO ,  Kazuki HISANO ,  Kaori WATABE ,  Shiori OKADA ,  Junichi KAMEI

IPC: C08F2/50 ,  C08F222/10 ,  C08F220/32 ,  C08F220/14 ,  C08F220/18 ,  C08L27/12 ,  C09D4/06

Abstract: A photocurable composition for a hard coating material according to an aspect of the present invention contains (A) a polyfunctional polymerizable compound having three or more polymerizable double bonds, (B) an acrylic resin having a polymerizable double bond, (C) a polymerizable fluorine compound, and (D) a photopolymerization initiator.

公开(公告)号：US20220162406A1

公开(公告)日：2022-05-26

申请号：US17601832

申请日：2021-04-07

Applicant: Showa Denko Materials Co., Ltd.

Inventor： Yuki MIYAMOTO ,  Junichi KAMEI ,  Hiroshi OSAKI ,  Koichi SAITO ,  Takashi KUMAKI

IPC: C08J5/18 ,  C08G18/76 ,  C08G18/38 ,  C08G18/24 ,  C08K5/5397 ,  C08K5/45 ,  G03F7/038 ,  G03F7/039

Abstract: Disclosed is an optically softening resin composition, containing: a compound having a disulfide bond; and a radical scavenger. Further disclosed is a curable resin composition, containing: a monomer having a disulfide bond and a functional group; a monomer having a substituent reactive with the functional group; and a radical scavenger.

公开(公告)号：US20220204826A1

公开(公告)日：2022-06-30

申请号：US17605661

申请日：2019-11-21

Applicant: Showa Denko Materials Co., Ltd.

Inventor： Shujie QU ,  Souichirou KOMIYA ,  Takuya IMAI ,  Kazuyuki MAGOME ,  Junichi KAMEI

IPC: C09J175/06 ,  C08G18/42 ,  C08G18/12 ,  C09J7/35

Abstract: A moisture-curable hot-melt adhesive composition is disclosed. This moisture-curable hot-melt adhesive composition contains: a urethane prepolymer including a polymer chain, which includes a structural unit derived from a polyol and a structural unit derived from a polyisocyanate, and having two or more isocyanate groups; and a modified urethane prepolymer including a polymer chain, which includes a structural unit derived from a polyol and a structural unit derived from a polyisocyanate, and having one or more isocyanate groups modified with a castor oil monool.

公开(公告)号：US20220112405A1

公开(公告)日：2022-04-14

申请号：US17430237

申请日：2020-02-03

Applicant: Showa Denko Materials Co., Ltd.

Inventor： Chika KURAMOCHI ,  Souichirou KOMIYA ,  Junichi KAMEI

IPC: C09J7/35 ,  C09J175/06 ,  C08G18/12 ,  C08G18/42 ,  C08G18/76 ,  C08K5/5419 ,  C08K5/548

Abstract: Disclosed is a reactive hot-melt adhesive composition, containing: a urethane prepolymer having a polymer chain including a structural unit derived from polyol and a structural unit derived from polyisocyanate, and an isocyanate group as a terminal group of the polymer chain; and a functional group protection type silane coupling agent.