Method for producing a macroporous and mesoporous geopolymer, with controlled porosity
US10322966B2 · kind B2 · utility
Assignee
Inventors
Key dates
| Filing date | Mar 27, 2015 |
| Grant date | Jun 18, 2019 |
| Priority date | — |
| Expiry date | Dec 1, 2035 |
Classification
- Technology area (CPC Y)Emerging Cross-Sectional Technologies
- CPC primaryY02P40/10
- WIPO fieldMaterials, metallurgy
- WIPO sectorChemistry
Abstract
The present invention relates to a method for preparing a macroporous and mesoporous geopolymer and especially a geopolymer foam, comprising the following successive steps (1) preparing a composite material comprising a geopolymer matrix and an organic liquid; then (2) eliminating said organic liquid by a treatment selected from the group consisting of heat treatment, oxidation treatment, photodegradation treatment and extraction using a supercritical fluid or ultrasounds.
Source: USPTO / EPO open patent data. Objective bibliographic and citation counts.