Nanohybrid of Co3O4 Nanoparticles and Polyphosphazene-Decorated Ultra-Thin Boron Nitride Nanosheets for Simultaneous Enhancement in Fire Safety and Smoke Suppression of Thermoplastic Polyurethane Article Swipe
Yizhang Tong
,
Wei Wu
,
Wanjing Zhao
,
Yurui Xing
,
Hongti Zhang
,
Cheng Wang
,
Timothy Bo Yuan Chen
,
Anthony Chun Yin Yuen
,
Bin Yu
,
Xianwu Cao
,
Xiaohong Yi
·
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.3390/polym14204341
YOU?
·
· 2022
· Open Access
·
· DOI: https://doi.org/10.3390/polym14204341
Thermoplastic polyurethane (TPU) is widely used in daily life due to its characteristics of light weight, high impact strength, and compression resistance. However, TPU products are extremely flammable and will generate toxic fumes under fire attack, threatening human life and safety. In this article, a nanohybrid flame retardant was designed for the fire safety of TPU. Herein, Co3O4 was anchored on the surface of exfoliated ultra-thin boron nitride nanosheets (BNNO@Co3O4) via coprecipitation and subsequent calcination. Then, a polyphosphazene (PPZ) layer was coated onto BNNO@Co3O4 by high temperature polymerization to generate a nanohybrid flame retardant named BNNO@Co3O4@PPZ. The cone calorimeter results exhibited that the heat release and smoke production during TPU combustion were remarkably restrained after the incorporation of the nanohybrid flame retardant. Compared with pure TPU, the peak heat release rate (PHRR) decreased by 44.1%, the peak smoke production rate (PSPR) decreased by 51.2%, and the peak CO production rate (PCOPR) decreased by 72.5%. Based on the analysis of carbon residues after combustion, the significant improvement in fire resistance of TPU by BNNO@Co3O4@PPZ was attributed to the combination of quenching effect, catalytic carbonization effect, and barrier effect. In addition, the intrinsic mechanical properties of TPU were well maintained due to the existence of the PPZ organic layer.
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- Type
- article
- Language
- en
- Landing Page
- https://doi.org/10.3390/polym14204341
- https://www.mdpi.com/2073-4360/14/20/4341/pdf?version=1665826190
- OA Status
- gold
- Cited By
- 12
- References
- 66
- Related Works
- 10
- OpenAlex ID
- https://openalex.org/W4306399412
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Raw OpenAlex JSON
- OpenAlex ID
-
https://openalex.org/W4306399412Canonical identifier for this work in OpenAlex
- DOI
-
https://doi.org/10.3390/polym14204341Digital Object Identifier
- Title
-
Nanohybrid of Co3O4 Nanoparticles and Polyphosphazene-Decorated Ultra-Thin Boron Nitride Nanosheets for Simultaneous Enhancement in Fire Safety and Smoke Suppression of Thermoplastic PolyurethaneWork title
- Type
-
articleOpenAlex work type
- Language
-
enPrimary language
- Publication year
-
2022Year of publication
- Publication date
-
2022-10-15Full publication date if available
- Authors
-
Yizhang Tong, Wei Wu, Wanjing Zhao, Yurui Xing, Hongti Zhang, Cheng Wang, Timothy Bo Yuan Chen, Anthony Chun Yin Yuen, Bin Yu, Xianwu Cao, Xiaohong YiList of authors in order
- Landing page
-
https://doi.org/10.3390/polym14204341Publisher landing page
- PDF URL
-
https://www.mdpi.com/2073-4360/14/20/4341/pdf?version=1665826190Direct link to full text PDF
- Open access
-
YesWhether a free full text is available
- OA status
-
goldOpen access status per OpenAlex
- OA URL
-
https://www.mdpi.com/2073-4360/14/20/4341/pdf?version=1665826190Direct OA link when available
- Concepts
-
Materials science, Fire retardant, Thermoplastic polyurethane, Cone calorimeter, Polyurethane, Boron nitride, Chemical engineering, Composite material, Combustion, Zinc borate, Flammability, Polyphosphazene, Smoke, Char, Polymer, Organic chemistry, Elastomer, Chemistry, EngineeringTop concepts (fields/topics) attached by OpenAlex
- Cited by
-
12Total citation count in OpenAlex
- Citations by year (recent)
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2025: 3, 2024: 7, 2023: 1, 2022: 1Per-year citation counts (last 5 years)
- References (count)
-
66Number of works referenced by this work
- Related works (count)
-
10Other works algorithmically related by OpenAlex
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| abstract_inverted_index.calcination. | 74 |
| abstract_inverted_index.polyurethane | 1 |
| abstract_inverted_index.Thermoplastic | 0 |
| abstract_inverted_index.carbonization | 182 |
| abstract_inverted_index.incorporation | 116 |
| abstract_inverted_index.BNNO@Co3O4@PPZ | 172 |
| abstract_inverted_index.polymerization | 87 |
| abstract_inverted_index.BNNO@Co3O4@PPZ. | 95 |
| abstract_inverted_index.characteristics | 12 |
| abstract_inverted_index.coprecipitation | 71 |
| abstract_inverted_index.polyphosphazene | 77 |
| cited_by_percentile_year.max | 99 |
| cited_by_percentile_year.min | 89 |
| corresponding_author_ids | https://openalex.org/A5090585225, https://openalex.org/A5057860842 |
| countries_distinct_count | 2 |
| institutions_distinct_count | 11 |
| corresponding_institution_ids | https://openalex.org/I4210089285, https://openalex.org/I90610280 |
| citation_normalized_percentile.value | 0.73138001 |
| citation_normalized_percentile.is_in_top_1_percent | False |
| citation_normalized_percentile.is_in_top_10_percent | False |