Preparation of aligned nanotube membranes for water and gas separation applications
US9227360B2 · kind B2 · utility
9Cited by
24References
12Claims
0Family size
Assignee
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Key dates
| Filing date | Oct 17, 2012 |
| Grant date | Jan 5, 2016 |
| Priority date | — |
| Expiry date | Sep 4, 2033 |
Classification
- Technology area (CPC B)Performing Operations; Transporting
- CPC primaryB82Y40/00
- WIPO fieldChemical engineering
- WIPO sectorChemistry
Abstract
Fabrication methods for selective membranes that include aligned nanotubes can advantageously include a mechanical polishing step. The nanotubes have their ends closed off during the step of infiltrating a polymer precursor around the nanotubes. This prevents polymer precursor from flowing into the nanotubes. The polishing step is performed after the polymer matrix is formed, and can open up the ends of the nanotubes.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.