发明授权
US5138031A Linear and branched poly-p-arylene sulfide substantially free from
defect structures having plural absorption maxima
失效
线性和分散的聚对苯二甲酸乙二醇酯从具有多种吸收的缺陷结构中大大减少MAXIMA
- 专利标题: Linear and branched poly-p-arylene sulfide substantially free from defect structures having plural absorption maxima
- 专利标题(中): 线性和分散的聚对苯二甲酸乙二醇酯从具有多种吸收的缺陷结构中大大减少MAXIMA
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申请号: US434804申请日: 1989-11-13
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公开(公告)号: US5138031A公开(公告)日: 1992-08-11
- 发明人: Ernst-Ulrich Dorf , Wolfgang Russeler , Gunther Weymans , Manfred Schmidt , Erich Meier
- 申请人: Ernst-Ulrich Dorf , Wolfgang Russeler , Gunther Weymans , Manfred Schmidt , Erich Meier
- 申请人地址: DEX Leverkusen
- 专利权人: Bayer Aktiengesellschaft
- 当前专利权人: Bayer Aktiengesellschaft
- 当前专利权人地址: DEX Leverkusen
- 优先权: DEX3839442 19881123
- 主分类号: C08G75/0209
- IPC分类号: C08G75/0209 ; C08G75/0231 ; C08G75/025 ; C08G75/06 ; C08L81/02
摘要:
The invention relates to linear and branched poly-p-arylene sulfides (PAS), preferably poly-p-phenylene sulfides (PPS), which have an extremely low proportion of defect or foreign structures, to a process for their production and to their use for the production of molded articles.
公开/授权文献
- US5594181A Ultrasonic flow meter 公开/授权日:1997-01-14
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