Organosilicone having a carboxyl functional group thereon
US6228967A · kind A · utility
Assignee
Inventors
Key dates
| Filing date | Oct 6, 1998 |
| Grant date | May 8, 2001 |
| Priority date | — |
| Expiry date | Oct 6, 2018 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G77/388
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
Polysiloxane composition is provided having the formula: ##STR1## wherein: PA1 R.sub.1, which can be the same or different, is selected from R.sub.2, an amine containing group of the formula --(CH.sub.2).sub.n --F.sub.n1 --B.sub.n2 F--NH.sub.2 or a functional group of the general formula: ##STR2## wherein at least one R.sub.1 is a pyrrolidone-containing ester or amide functional group as shown; PA1 R.sub.5 is hydrogen, alkyl or polyoxyalkylene; D is oxygen or nitrogen, x is 1 or 2, F is linear or branched alkylene; B is --NR.sub.9, oxygen or sulfur, wherein R.sub.9 is hydrogen or lower alkyl (C.sub.1-6); PA1 R.sub.2 can be the same or different and is selected from alkyl, aryl, alkenyl or alkeynyl; PA1 R.sub.3 and R.sub.4, which may be the same or different are selected from alkyl, aryl, capped or uncapped polyoxyalkylene, alkaryl, aralkylene or alkenyl; PA1 a is an integer from 0 to 50,000; and PA1 b is an integer from 0 to 100.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.