Method for providing coated moulded polymeric articles
US6893595B1 · kind B1 · utility
31Cited by
3References
19Claims
0Family size
Assignee
Inventors
Key dates
| Filing date | Jul 19, 1999 |
| Grant date | May 17, 2005 |
| Priority date | — |
| Expiry date | Jul 19, 2019 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08J5/00
- WIPO fieldOther special machines
- WIPO sectorMechanical engineering
Abstract
A method in which a mould is coated with a reactive polymer, a liquid curable composition is filled into the mould and cured under conditions such that the reactive polymer becomes covalently bonded to the cured bulk mould material at the interface. The reactive polymer has zwitterionic groups to confer improved biocompatibility on the moulded product. The reactive group on the reactive polymer is conveniently an ethylenically unsaturated group. The curable composition is suitably a radical polymerisable ethylenically unsaturated monomer mixture or a platinum-curable liquid silicone composition.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.