Biomimetic, highly adhesive, supramolecular nano-coatings for fire-safe polymeric foams

Article


Huang, Ju, Yang, Leting, Wang, Wei, Yu, Bin, Cao, Chengfei, Bi, Zhuyun, Wang, Jue, Shen, Jian and Song, Lei. 2024. "Biomimetic, highly adhesive, supramolecular nano-coatings for fire-safe polymeric foams." Progress in Organic Coatings. 186. https://doi.org/10.1016/j.porgcoat.2023.107995
Article Title

Biomimetic, highly adhesive, supramolecular nano-coatings for fire-safe polymeric foams

ERA Journal ID1373
Article CategoryArticle
AuthorsHuang, Ju, Yang, Leting, Wang, Wei, Yu, Bin, Cao, Chengfei, Bi, Zhuyun, Wang, Jue, Shen, Jian and Song, Lei
Journal TitleProgress in Organic Coatings
Journal Citation186
Article Number107995
Year2024
PublisherElsevier
Place of PublicationNetherlands
ISSN0300-9440
1873-331X
Digital Object Identifier (DOI)https://doi.org/10.1016/j.porgcoat.2023.107995
Web Address (URL)https://www.sciencedirect.com/science/article/abs/pii/S030094402300591X
AbstractConstructing fire-protective coatings has been to be an effective strategy for reducing fire hazards of polymeric materials. However, it remains a huge challenge to fabricate high-performance flame retardant coatings with biodegradability, excellent mechanical and thermal properties, as well as strong adhesion. Herein, inspired by snails exhibiting strong adhesion to a variety of surfaces by interfacial hydrogen-bonding, a biomimetic, highly adhesive, supramolecular nano-coating consisting of a tannic acid (TA)-functionalized hexagonal boron nitride nanosheets (TA-BNNS), TA and polyvinyl alcohol (PVA) was prepared by using a hydrogen-bond self-assembly strategy of solvent volatilization regulation. TA-BNNS was prepared via an efficient and green ball milling exfoliation method under mild conditions. Dynamically regulating the hydrogen bonds between PVA and TA molecules through the volatilization of ethanol was to achieve physical cross-linking. Then such a nanocoating was applied for surface treatment of rigid polyurethane foam (RPUF), which exhibiting excellent flame retardant properties. Compared to pure RPUF, the peak heat release rate (PHRR) and peak smoke production rate (PSPR) of the TA/PVA@BNNS coated RPUF were reduced by ~52.4 % and ~53.4 %, respectively. Therefore, this work provides new approach to the design and manufacture of green, efficient and non-toxic flame retardant materials.
KeywordsBoron nitride
Contains Sensitive ContentDoes not contain sensitive content
ANZSRC Field of Research 20204016. Materials engineering
Public NotesFiles associated with this item cannot be displayed due to copyright restrictions.
Byline AffiliationsUniversity of Science and Technology of China, China
Hefei Hualing, China
University of New South Wales
Centre for Future Materials
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