Invention Grant
- Patent Title: Foamed styrenic polymers containing a brominated styrene-butadiene copolymer and having enhanced cell size homogeneity
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Application No.: US14917005Application Date: 2013-10-30
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Publication No.: US10093781B2Publication Date: 2018-10-09
- Inventor: Kenji Matsue , Naganori Nishioka , Yoshihiro Shirakawa , Lawrence S. Hood , Shari L. Kram , Stephane Costeux , Mark A. Barger
- Applicant: DOW GLOBAL TECHNOLOGIES LLC
- Applicant Address: US MI Midland
- Assignee: Dow Global Technologies LLC
- Current Assignee: Dow Global Technologies LLC
- Current Assignee Address: US MI Midland
- International Application: PCT/US2013/067586 WO 20131030
- International Announcement: WO2015/065393 WO 20150507
- Main IPC: C08J9/00
- IPC: C08J9/00 ; C09K21/14 ; C08L25/06 ; C08L25/12 ; C08J9/12 ; C08J9/14
Abstract:
Extruded polymer foams are made from a polymer composition that includes an unbrominated styrenic polymer, a brominated vinyl aromatic/butadiene flame retardant, and an unbrominated vinyl aromatic/butadiene polymer. The unbrominated vinyl aromatic/butadiene polymer improves the cell homogeneity.
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