| 发明名称 |
High impact poly (urethane urea) polysulfides |
| 摘要 |
The present invention relates to a sulfur-containing polyureaurethane and a method of preparing said polyureaurethane. In an embodiment, the sulfur-containing polyureaurethane 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 grams/cm<SUP>3</SUP>, when at least partially cured.
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| 申请公布号 |
US2006241273(A1) |
申请公布日期 |
2006.10.26 |
| 申请号 |
US20060360011 |
申请日期 |
2006.02.22 |
| 申请人 |
BOJKOVA NINA V;SMITH ROBERT A;HEROLD ROBERT D;RAO CHANDRA B;MCDONALD WILLIAM H;NAGPAL VIDHU J;GRAHAM MARVIN J;YU PHILLIP C;SAWANT SURESH G;OKOROAFOR MICHAEL O |
发明人 |
BOJKOVA NINA V.;SMITH ROBERT A.;HEROLD ROBERT D.;RAO CHANDRA B.;MCDONALD WILLIAM H.;NAGPAL VIDHU J.;GRAHAM MARVIN J.;YU PHILLIP C.;SAWANT SURESH G.;OKOROAFOR MICHAEL O. |
| 分类号 |
C08G18/00 |
主分类号 |
C08G18/00 |
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