发明公开
EP2970590A1 SULFONE-CONTAINING POLYTHIOETHERS, COMPOSITIONS THEREOF, AND METHODS OF SYNTHESIS
审中-公开
NEW砜硫醚，聚THEREOF组合物和合成方法
- 专利标题： SULFONE-CONTAINING POLYTHIOETHERS, COMPOSITIONS THEREOF, AND METHODS OF SYNTHESIS
- 专利标题（中）： NEW砜硫醚，聚THEREOF组合物和合成方法
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申请号： EP14719417.9申请日： 2014-03-11
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公开(公告)号： EP2970590A1公开(公告)日： 2016-01-20
- 发明人: RAO, Chandra, B. , CAI, Juexiao , LIN, Renhe
- 申请人： PRC-Desoto International, Inc.
- 申请人地址： 12780 San Fernando Road Sylmar, California 91342 US
- 专利权人： PRC-Desoto International, Inc.
- 当前专利权人： PRC-Desoto International, Inc.
- 当前专利权人地址： 12780 San Fernando Road Sylmar, California 91342 US
- 代理机构： f & e patent
- 优先权： US201313833827 20130315
- 国际公布： WO2014150463 20140925
- 主分类号： C08G75/00
- IPC分类号： C08G75/00 ; B05D3/00 ; C08G75/02 ; C08L81/00 ; C08L81/02 ; C08L81/04
摘要：
Sulfone-containing polythioethers, compositions containing sulfone-containing polythioethers, methods of synthesizing sulfone-containing polythioethers and the use of sulfone-containing polythioethers in aerospace sealant applications are disclosed. The sulfone-containing polythioethers have sulfone groups incorporated into the backbone of the polythioether. Cured sealant compositions comprising the sulfone-containing polythioethers exhibit enhanced thermal resistance.
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