Invention Grant
- Patent Title: Method for preparing polyarylene sulfide
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Application No.: US16462771Application Date: 2018-01-12
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Publication No.: US11407860B2Publication Date: 2022-08-09
- Inventor: Kwonsu Jung , Joong Jin Han , Eunju Park , Hyun Woog Ryu
- Applicant: LG CHEM, LTD.
- Applicant Address: KR Seoul
- Assignee: LG CHEM, LTD.
- Current Assignee: LG CHEM, LTD.
- Current Assignee Address: KR Seoul
- Agency: Dentons US LLP
- Priority: KR10-2017-0060149 20170515
- International Application: PCT/KR2018/000632 WO 20180112
- International Announcement: WO2018/212426 WO 20181122
- Main IPC: C08G75/0222
- IPC: C08G75/0222 ; C08G75/0254 ; C08G75/0281

Abstract:
A method for preparing polyarylene sulfide that can control a viscosity grade thereof by adjusting the molar ratio of water and amide-based compounds present in a polymerization reaction.
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