Development in Geopolymers
A special issue of Polymers (ISSN 2073-4360). This special issue belongs to the section "Polymer Composites and Nanocomposites".
Deadline for manuscript submissions: closed (20 September 2022) | Viewed by 41751
Special Issue Editors
Interests: heopolymer technology; mineral processing; waste recycling and reutilization; solidification/stabilization hazardous materials
Special Issues, Collections and Topics in MDPI journals
Interests: geopolymer; alkali activated; slag; explosives and blasting
Special Issue Information
Dear Colleagues,
Geopolymer materials have been developed over 40 years. Geopolymer materials are amorphous or semi-crystalline three-dimensional structure aluminosilicate materials, synthesized by blending solid materials and alkaline solutions. Typically, the solid materials are aluminosilicate-rich raw materials (metakaolin, coal fly ash, or GGBF slag) and the alkaline solutions are alkali metal hydroxide or alkali metal silicate solution, or both. During the geopolymer reaction, the silicon and aluminum ions on the particle surface are dissolved to form aluminum silicate polymer gel that after polycondensation with unreacted solid particles, solidifies into the geopolymer under normal temperature and pressure conditions. The internal bonding of geopolymer is primarily based on covalent bonds, with robust bonding strength, and its structure is similar to zeolite. Therefore, it has many excellent properties, for example, normal temperature process, low permeability, stabilized heavy metals, chemical resistance, fire resistance, early strength, high mechanical properties, and reduces carbon emissions. Due to the above characteristics as well as the extensive and accessible raw materials for geopolymers, it is possible to use all minerals and wastes which contain an abundance of silicon and aluminum. Furthermore, the process and equipment are simple, with the overall process completed in a normal temperature environment, hence, it has received much attention in recent years from various international research units. According to the statistics published by the SCI research, the number of articles on geopolymers has rapidly increased annually, with geopolymers having the potential to be developed into a new generation of eco-friendly materials.
We cordially invite experts in the field of geopolymers to submit papers to this Special Issue.
Dr. Wei-Hao Lee
Dr. Yung-Ching Ding
Prof. Dr. Kae-Long Lin
Guest Editors
Manuscript Submission Information
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Keywords
- geopolymer
- alkali activated materials
- inorganic polymers
- sustainable materials
- eco-friendly materials
- composite
- fly ash
- metakaolin
- slag
- glass
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