Plugging of cracks on metal devices intended to contain radioactive acid materials
US7713585B2 · kind B2 · utility
Assignees
Inventors
Key dates
| Filing date | Feb 20, 2006 |
| Grant date | May 11, 2010 |
| Priority date | — |
| Expiry date | Aug 28, 2026 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08K5/0025
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The invention relates to the use of a composition comprising a chlorinated polyester resin in which the polyester satisfies formula (I) below:together with a crosslinking catalyst and a crosslinking accelerator in order to plug a crack affecting the wall of a metal device intended to contain a radioactive acid material.It is especially applicable in the maintenance of metal equipment of nuclear installations, in particular equipment that is for irradiated nuclear fuel reprocessing.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.