Method for making comb polymers by drying then functionalization of the meth(acrylic)polymer backbone, resulting polymers and uses thereof
US8742027B2 · kind B2 · utility
1Cited by
6References
15Claims
0Family size
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Key dates
| Filing date | May 4, 2007 |
| Grant date | Jun 3, 2014 |
| Priority date | — |
| Expiry date | Jul 28, 2029 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08G81/025
- WIPO fieldMacromolecular chemistry, polymers
- WIPO sectorChemistry
Abstract
The present invention relates to processes for manufacturing comb polymers having a principal (meth)acrylic chain and polyoxyalkylated lateral groupings, obtained by drying of a solution containing at least one homopolymer of (meth)acrylic acid and/or at least one copolymer of (meth)acrylic acid with at least one other monomer, followed by functionalisation of the intermediate dry product by esterification with at least one alkoxy polyoxyalkylene glycol, and/or amidification with at least one alkoxy polyoxyalkylene amine, or ethoxylation with at least one alkylene oxide.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.