发明授权
- 专利标题： HIGH IMPACT POLY(URETHANE UREA) POLYSULFIDES
- 专利标题（中）： 抗冲改性的聚（氨酯 - 脲）的多硫化物
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申请号： EP03814645.2申请日： 2003-12-03
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公开(公告)号： EP1581574B1公开(公告)日： 2017-04-12
- 发明人: BOJKOVA, Nina , SMITH, Robert, A. , HEROLD, Robert, D. , RAO, Chandra , McDONALD, William, H. , NAGPAL, Vidhu, J. , GRAHAM, Marvin, J. , YU, Phillip, C. , SAWANT, Suresh , OKOROAFOR, Michael, O.
- 申请人： PPG Industries Ohio, Inc.
- 申请人地址： 3800 West 143rd Street Cleveland, OH 44111 US
- 专利权人： PPG Industries Ohio, Inc.
- 当前专利权人： PPG Industries Ohio, Inc.
- 当前专利权人地址： 3800 West 143rd Street Cleveland, OH 44111 US
- 代理机构： f & e patent
- 优先权： US435537P 20021220; US725023 20031202
- 国际公布： WO2004060951 20040722
- 主分类号： C08G18/12
- IPC分类号： C08G18/12 ; C08G18/10 ; G02B1/04
摘要：
The present invention relates to a sulfur-containing polyureaurethane and a method of preparing said polyureaurethane. The sulfur-containing polyureaurethane is adapted to have a refractive index of at least 1.57,an Abbe number of at least 32 and a density of less than 1.3 g/cm 3 , when at least partially cured.
公开/授权文献
- EP1581574A1 HIGH IMPACT POLY(URETHANE UREA) POLYSULFIDES 公开/授权日：2005-10-05
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