| 摘要 |
1467232 Cross-linked elastomers NATIONAL RESEARCH DEVELOPMENT CORP 13 Feb 1974 [24 Jan 1973] 3590/73 Heading C3P Transparent normally hydrophobic organic elastomers are cross-linked throughout the bulk thereof by reaction with a mono-ethylenically unsaturated amide in an amount sufficient to render and maintain the surface thereof hydrophilic. In the example, an ethylene/ propylene terpolymer is reacted with acrylamide by compression moulding in the presence of dicumyl peroxide. Use.-Contact lenses. |
