Invention Grant
- Patent Title: Polysiloxane-polycarbonate copolymer with improved transparency and flame retardancy and method for producing same
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Application No.: US15768099Application Date: 2016-10-14
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Publication No.: US10696796B2Publication Date: 2020-06-30
- Inventor: Kyung Moo Shin , Young Do Kwon
- Applicant: SAMYANG CORPORATION , DAMIPOLYCHEM CO., LTD.
- Applicant Address: KR Seoul KR Iksan-si
- Assignee: SAMYANG CORPORATION,DAMIPOLYCHEM CO., LTD.
- Current Assignee: SAMYANG CORPORATION,DAMIPOLYCHEM CO., LTD.
- Current Assignee Address: KR Seoul KR Iksan-si
- Agency: Birch, Stewart, Kolasch & Birch, LLP
- Priority: com.zzzhc.datahub.patent.etl.us.BibliographicData$PriorityClaim@c2fdb5
- International Application: PCT/KR2016/011543 WO 20161014
- International Announcement: WO2017/065550 WO 20170420
- Main IPC: C08G77/448
- IPC: C08G77/448 ; C08G64/18 ; C08G77/14 ; C08G77/04 ; C08G77/06 ; C08G77/00
Abstract:
The present invention relates to a polysiloxane-polycarbonate copolymer having improved transparency and flame retardancy, and a method for producing the same. More specifically, the present invention relates to a polysiloxane having a specific structure having a side chain containing a randomly substituted hydroxyphenyl group, a polysiloxane-polycarbonate copolymer having the polysiloxane and a polycarbonate block as repeating units, exhibiting excellent flame retardancy and also excellent transparency, and a method for producing the same.
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