A platform for research: civil engineering, architecture and urbanism
A platform for research: civil engineering, architecture and urbanism
Microencapsulation of Isophorone Diisocyanate with Silica Shell
In several studies, Isophorone diisocyanate (IPDI), a monomeric aliphatic diisocyanate, has been microencapsulated with various polymeric shells for self-healing purposes in polymer-based materials. In this study, for the first time, isophorone diisocyanate was microencapsulated with silica shell via interfacial polycondensation of a silica precursor (TEOS). The shell materials of the IPDI-loaded microcapsules reported in the literature are polymeric (organic). It is known from the literature that silica shell can chemically and physically bonded to cementitious matrices, allowing the microcapsules to remain stable for years without deterioration. Essential parameters such as the amounts of core material (IPDI), shell-forming material, and surfactant as well as the stirring speeds were investigated through yield, optical microscopy, SEM, TGA, and FTIR analyses. Promising results were obtained in the process of microencapsulation of isophorone diisocyanate with silica shell. The optimum core material/shell-forming material, oil phase/aqueous phase, and surfactant/oil ratios were found to be 1.0, 0.18, and 0.08, respectively.
Microencapsulation of Isophorone Diisocyanate with Silica Shell
In several studies, Isophorone diisocyanate (IPDI), a monomeric aliphatic diisocyanate, has been microencapsulated with various polymeric shells for self-healing purposes in polymer-based materials. In this study, for the first time, isophorone diisocyanate was microencapsulated with silica shell via interfacial polycondensation of a silica precursor (TEOS). The shell materials of the IPDI-loaded microcapsules reported in the literature are polymeric (organic). It is known from the literature that silica shell can chemically and physically bonded to cementitious matrices, allowing the microcapsules to remain stable for years without deterioration. Essential parameters such as the amounts of core material (IPDI), shell-forming material, and surfactant as well as the stirring speeds were investigated through yield, optical microscopy, SEM, TGA, and FTIR analyses. Promising results were obtained in the process of microencapsulation of isophorone diisocyanate with silica shell. The optimum core material/shell-forming material, oil phase/aqueous phase, and surfactant/oil ratios were found to be 1.0, 0.18, and 0.08, respectively.
Microencapsulation of Isophorone Diisocyanate with Silica Shell
RILEM Bookseries
Valente, Isabel B. (editor) / Ventura Gouveia, António (editor) / Dias, Salvador S. (editor) / Beglarigale, Ahsanollah (author) / Eyice, Doğa (author) / Seki, Yoldaş (author) / Yazıcı, Halit (author)
RILEM Spring Convention and Conference ; 2020 ; Guimarães, Portugal
Proceedings of the 3rd RILEM Spring Convention and Conference (RSCC 2020) ; Chapter: 10 ; 105-118
RILEM Bookseries ; 33
2021-07-06
14 pages
Article/Chapter (Book)
Electronic Resource
English
Microencapsulation of Isophorone Diisocyanate with Silica Shell
| TIBKAT | 2021
| British Library Online Contents | 2014
| British Library Online Contents | 2014
| British Library Online Contents | 2014