Invention Grant
- Patent Title: Compound, photopolymerization initiator, photocurable composition and cured product thereof, and photocurable ink and print using the same
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Application No.: US16645858Application Date: 2017-10-10
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Publication No.: US11479569B2Publication Date: 2022-10-25
- Inventor: Masanori Miyamoto , Tomokazu Yamada , Yong Fang , Fangxi Xiu , Changjun Deng
- Applicant: DIC Corporation
- Applicant Address: JP Tokyo
- Assignee: DIC Corporation
- Current Assignee: DIC Corporation
- Current Assignee Address: JP Tokyo
- Agency: WHDA, LLP
- International Application: PCT/CN2017/105521 WO 20171010
- International Announcement: WO2019/071428 WO 20190418
- Main IPC: C07F9/53
- IPC: C07F9/53 ; C08F20/28 ; C09D11/101 ; C09D11/107 ; C09D11/322 ; C09D11/38

Abstract:
There are provided a compound represented by general formula (1), a photopolymerization initiator comprising this compound, a photocurable composition having this photopolymerization initiator and a photocurable compound as essential components, and a cured product formed by curing this photocurable composition, wherein in formula (1), R1 and R2 each independently represents an alkyl group or the like; R3 to R5 each independently represent a hydrogen atom, an alkyl group or the like; X1 represents a single bond or an alkylene group; and X2 represents a bonding group represented by general formulas (2) to (4), and wherein n represents an integer of 1 to 6, when n is an integer of 1, Y represents an alkyl group, an aryl group or the like.
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