Invention Grant
- Patent Title: Poly(biphenyl ether sulfone) resin and molded article
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Application No.: US17277556Application Date: 2019-09-20
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Publication No.: US11807723B2Publication Date: 2023-11-07
- Inventor: Kazuyuki Ito
- Applicant: SUMITOMO CHEMICAL COMPANY, LIMITED
- Applicant Address: JP Tokyo
- Assignee: SUMITOMO CHEMICAL COMPNAY, LIMITED
- Current Assignee: SUMITOMO CHEMICAL COMPNAY, LIMITED
- Current Assignee Address: JP Tokyo
- Agency: McDermott Will & Emery LLP
- Priority: JP 18180561 2018.09.26
- International Application: PCT/JP2019/036956 2019.09.20
- International Announcement: WO2020/066888A 2020.04.02
- Date entered country: 2021-03-18
- Main IPC: C08G75/23
- IPC: C08G75/23 ; C08L81/06
Abstract:
A poly(biphenyl ether sulfone) resin substantially comprising a repeating structure of the following formula (1), wherein a polystyrene equivalent mass average molecular weight Mw and a melt viscosity μ at a temperature of 350° C. satisfy formulas (6) and (7),
wherein n represents an integer of 1 or more,
60,000≤Mw≤90,000 (6)
0.0906×Mw−4,930≤μ≤3,500 (7).
wherein n represents an integer of 1 or more,
60,000≤Mw≤90,000 (6)
0.0906×Mw−4,930≤μ≤3,500 (7).
Public/Granted literature
- US20210355282A1 POLY(BIPHENYL ETHER SULFONE) RESIN AND MOLDED ARTICLE Public/Granted day:2021-11-18
Information query
