Amphiphilic diblock copolymer and use of same for producing polymeric filter membranes
US10987639B2 · kind B2 · utility
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12Claims
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Key dates
| Filing date | Feb 1, 2017 |
| Grant date | Apr 27, 2021 |
| Priority date | — |
| Expiry date | Apr 25, 2037 |
Classification
- Technology area (CPC C)Chemistry; Metallurgy
- CPC primaryC08F2800/20
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Provided is a an amphiphilic diblock copolymer including from 40 to 60% by weight, relative to the weight of the copolymer, of a hydrophilic block including a unit derived from an n-butyl acrylate monomer and a derived from a hydroxyethyl methacrylate monomer. The copolymer also includes from 40 to 60% by weight, relative to the weight of the copolymer, of a hydrophobic block including at least one unit derived from a methyl methacrylate monomer. Also provided is a polymeric membrane that includes the block copolymer and a hydrophobic polymeric matrix. This membrane is useful for treating an effluent, for example, water.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.