Simple preparation of silicone rubber Pickering emulsions using silica nanoparticles for water-borne thermal protection coating
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Chao Gao
,
Chen He
Abstract
In this study, we aimed to develop stable silicone rubber Pickering emulsions by employing silica nanoparticles as stabilizers in order to produce a water-borne thermal protection coating. Initially, silica nanoparticles were synthesized using the Stöber method and subsequently functionalized with γ-glycidoxypropyltrimethoxysilane (GTMS). The size and grafting efficiency of the GTMS-modified silica nanoparticles were characterized using transmission electron microscopy and thermogravimetric analysis, respectively. Furthermore, the functionalization mechanism was elucidated by monitoring the pH and Zeta potential of the silica sols. Subsequently, the silicone rubber Pickering emulsion was prepared via the emulsion inversion point method and characterized using transmission electron microscopy. The emulsification process was analyzed by measuring the conductivity of the emulsion during the phase transition. Finally, the water-borne coating was formulated by blending the emulsions with Kaolin, glass fiber, and glass microspheres. The thermal protection performance of the resulting coating was evaluated under typical test conditions, with the highest heat flow reaching 242 kW m−2 for 40 s.
Funding source: International Science and Technology Cooperation Programme
Award Identifier / Grant number: 2019YFE0124300
Funding source: Beijing Nova Program
Award Identifier / Grant number: 20230484260
Funding source: National Natural Science Foundation of China
Award Identifier / Grant number: ZK20220198
Funding source: Foundation of State Key Laboratory of Organic-Inorganic Composites, Beijing University of Chemical Technology
Award Identifier / Grant number: oic-202103015
Acknowledgments
This research was supported by Aerospace Research Institute of Materials & Processing Technology.
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Research funding: This work was funded by International Science and Technology Cooperation Programme (2019YFE0124300), Beijing Nova Program (20230484260), National Natural Science Foundation of China (ZK20220198), Foundation of State Key Laboratory of Organic-Inorganic Composites and Beijing University of Chemical Technology (oic-202103015).
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© 2023 IUPAC & De Gruyter
Artikel in diesem Heft
- Frontmatter
- In this issue
- Preface
- Preface for joint special issue of POLY-CHAR 2023 in Auckland, New Zealand and in memory of Professor Melissa Chan Chin Han
- Conference papers
- Simple preparation of silicone rubber Pickering emulsions using silica nanoparticles for water-borne thermal protection coating
- Thermo-responsive poly(di(ethylene glycol) methyl ether methacrylate) brushes as substrate-independent release coatings for cell culture and selective cell separation and purification
- The preparation of permanent antistatic additive based on poly(ether-b-amide) copolymers and its modification effect on polyamide 6
- Special topic papers
- Indentation creep in polymers and polymer nanocomposites
- What is science?
- Analysis of individual nanoscale block copolymer vesicles by atomic force microscopy combined with time-resolved fluorescence microscopy
- Green chemistry route to chitosan hydrogels and investigation of the materials as efficient dye adsorbents
- Flexible polymer networks: rubber elasticity and segmental orientation
Artikel in diesem Heft
- Frontmatter
- In this issue
- Preface
- Preface for joint special issue of POLY-CHAR 2023 in Auckland, New Zealand and in memory of Professor Melissa Chan Chin Han
- Conference papers
- Simple preparation of silicone rubber Pickering emulsions using silica nanoparticles for water-borne thermal protection coating
- Thermo-responsive poly(di(ethylene glycol) methyl ether methacrylate) brushes as substrate-independent release coatings for cell culture and selective cell separation and purification
- The preparation of permanent antistatic additive based on poly(ether-b-amide) copolymers and its modification effect on polyamide 6
- Special topic papers
- Indentation creep in polymers and polymer nanocomposites
- What is science?
- Analysis of individual nanoscale block copolymer vesicles by atomic force microscopy combined with time-resolved fluorescence microscopy
- Green chemistry route to chitosan hydrogels and investigation of the materials as efficient dye adsorbents
- Flexible polymer networks: rubber elasticity and segmental orientation
