发明名称 |
Dry Silicone Gels and Their Methods of Making Using Thiol-Ene Chemistry |
摘要 |
Methods and systems are provided for a dry silicone gel. The dry silicone gel comprises a base polymer having a vinyl-silicone group and a crosslinker having thiol groups. The dry silicone gel may be made without the use of a catalyst by reacting the base polymer and crosslinker in the presence of a photo or thermal initiator. In some embodiments, the gel also comprises a chain extender having thiol groups. In certain embodiments, the dry silicone gel may comprise: (1) a hardness between 100 g and 300 g, (2) a stress relaxation between 30% and 60% when subjected to a deformation of 50% of the original size of the gel, (3) a compression set between 4% and 20% after 50% strain has been applied to the gel for 1000 hours at 70° C., and/or (4) less than 10% oil bleed out under compression of 1.2 atm after 60 days at 60° C. |
申请公布号 |
US2013287345(A1) |
申请公布日期 |
2013.10.31 |
申请号 |
US201213455990 |
申请日期 |
2012.04.25 |
申请人 |
VAN DEN BERG OTTO;BERGHMANS STEPHANE J.G.;DU PREZ FILIP |
发明人 |
VAN DEN BERG OTTO;BERGHMANS STEPHANE J.G.;DU PREZ FILIP |
分类号 |
G02B6/36;C08G77/04;C08G77/08;C08L83/04 |
主分类号 |
G02B6/36 |
代理机构 |
|
代理人 |
|
主权项 |
|
地址 |
|