Invention Grant
US07875678B2 Process for making high impact strength polystyrene and related compositions
有权
高冲击强度聚苯乙烯和相关组合物的制备方法
- Patent Title: Process for making high impact strength polystyrene and related compositions
- Patent Title (中): 高冲击强度聚苯乙烯和相关组合物的制备方法
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Application No.: US11279308Application Date: 2006-04-11
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Publication No.: US07875678B2Publication Date: 2011-01-25
- Inventor: Michael J. Hanner , Chen-Youn Sue , Clifford C. Pettey , Carleton Stouffer , Paul M. Hunt , Ken E. Bowen
- Applicant: Michael J. Hanner , Chen-Youn Sue , Clifford C. Pettey , Carleton Stouffer , Paul M. Hunt , Ken E. Bowen
- Applicant Address: US TX The Woodlands
- Assignee: Chevron Phillips Cheimcal Company, LP
- Current Assignee: Chevron Phillips Cheimcal Company, LP
- Current Assignee Address: US TX The Woodlands
- Agency: Fletcher Yoder, P.C.
- Main IPC: C08L53/00
- IPC: C08L53/00 ; C08L9/00 ; C08L25/00 ; C08F279/02 ; C08F287/00

Abstract:
Compositions, processes, and methods are provided relating to styrenic polymers, including high impact polystyrene (HIPS), also referred to as rubber-modified polystyrene. In one aspect, a process is provided for making high impact polystyrenes, comprising the steps of combining a monovinylarene component, a monovinylarene-conjugated diene block copolymer, and a conjugated diene polymer. In another aspect, the feed components form an emulsion having a continuous phase and a dispersed phase. The continuous phase comprises at least a portion of the monovinylarene component and at least a portion of the conjugated diene polymer. The dispersed phase is suspended within the continuous phase, and comprises globules having at least a portion of the monovinylarene-conjugated diene block copolymer, a remaining portion of the monovinylarene component, and a remaining portion of the conjugated diene polymer. The monovinylarene component is polymerized in the presence of the emulsion alone or in the presence of other feedstocks.
Public/Granted literature
- US20060235130A1 PROCESS FOR MAKING HIGH IMPACT STRENGTH POLYSTYRENE AND RELATED COMPOSITIONS Public/Granted day:2006-10-19
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