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Synthesis and Properties of Flame Retardant for Polymers

A special issue of Materials (ISSN 1996-1944). This special issue belongs to the section "Polymeric Materials".

Deadline for manuscript submissions: 31 August 2024 | Viewed by 1819

Special Issue Editors


E-Mail Website
Guest Editor
College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
Interests: flame retardant; functional modification; surface coating; biomass; textiles
Special Issues, Collections and Topics in MDPI journals

E-Mail Website
Guest Editor
College of Textile and Clothing Engineering, Soochow University, Suzhou 215123, China
Interests: flame retardant; eco-textile; natural extract; colouration; functionalisation; cleaner production
Special Issues, Collections and Topics in MDPI journals

Special Issue Information

Dear Colleagues,

The extensive usage of polymer materials (e.g., fibre, plastic, rubber) in our daily life is driving polymer manufacturing and research towards remarkable combination of properties such as safety in use and in the environment, light weight, ease of processing and cost efficiency. The flammability of polymer products is still one of the toughest issues that directly leads to a large number of residential fires, poses serious fire hazards to human life and causes significant environmental pollution. To date, a range of flame retardant (FR) additives (e.g., ammonium polyphosphate, bisphenol A bis (diphenyl phosphate), triphenyl phosphate, organic–inorganic hybrid mesoporous silica, aluminium hypophosphite) have been developed and proven to be effective to enhance the fire resistance of polymers. The current research trends in the FR domain include the synthesis of new highly efficient FRs (e.g., 1D, 2D or 3D fillers), development of bio-based sustainable FRs (e.g., phytic acid, DNA), promotion of the compatibility of FR fillers with polymer substrates, integration of FR with other functionalities (e.g., antimicrobial, antiaging, biodegradability), exploration into the FR mechanisms by aid of advanced equipment or methodologies, etc. This Special Issue covers these topics and focuses on the Synthesis and Properties of Flame Retardants for Polymers with particular interest in the demonstration of the material–process–performance relationships.

Dr. Xian-Wei Cheng
Dr. Yuyang Zhou
Guest Editors

Manuscript Submission Information

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Keywords

  • flame retardant
  • polymer
  • fibre
  • mechanism
  • multifunction
  • sustainable material

Published Papers (2 papers)

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Research

12 pages, 61643 KiB  
Article
Enhancing the Flame Retardancy of Polyester/Cotton Blend Fabrics Using Biobased Urea–Phytate Salt
by Shuang Dong, Yi-Ting Huang, Xin Zhang, Shan-Shan Cheng, Xian-Wei Cheng and Jin-Ping Guan
Materials 2024, 17(6), 1346; https://doi.org/10.3390/ma17061346 - 14 Mar 2024
Viewed by 682
Abstract
The use of biobased flame-retardant (FR) agents for reducing the flammability of polyester/cotton (T/C) blend fabrics is highly desirable. In this study, a novel and sustainable phosphorus/nitrogen-containing FR, namely, phytic acid–urea (PA-UR) salt, was synthesized. The PA-UR salt was further used to enhance [...] Read more.
The use of biobased flame-retardant (FR) agents for reducing the flammability of polyester/cotton (T/C) blend fabrics is highly desirable. In this study, a novel and sustainable phosphorus/nitrogen-containing FR, namely, phytic acid–urea (PA-UR) salt, was synthesized. The PA-UR salt was further used to enhance the FR performance of T/C fabric through surface modification. We further explored the potential chemical structure of PA-UR and the surface morphology, thermal stability, heat release capacity, FR properties, and mode of action of the coated fabric. The coated fabric achieved self-extinguishing and exhibited an increased limiting oxygen index of 31.8%. Moreover, the coated T/C blend fabric demonstrated a significantly reduced heat release capacity, indicating a decreased fire hazard. Thermogravimetric analysis revealed the anticipated decomposition of the coated T/C blend fabric and a subsequent increase in thermal stability. The burned char residues also maintained their fiber shape structures, suggesting the presence of condensed FR actions in the PA-UR-coated T/C blend fabric. Full article
(This article belongs to the Special Issue Synthesis and Properties of Flame Retardant for Polymers)
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13 pages, 5093 KiB  
Article
Exceptional Performance of Flame-Retardant Polyurethane Foam: The Suppression Effect on Explosion Pressure and Flame Propagation of Methane-Air Premixed Gas
by Changhua Li, Guangyi Zhang and Bihe Yuan
Materials 2023, 16(24), 7602; https://doi.org/10.3390/ma16247602 - 11 Dec 2023
Cited by 3 | Viewed by 806
Abstract
A self-built gas explosion testing platform was used to explore the quenching effect of flame-retardant polyurethane foam on a gas explosion. The effect of the foam’s filling position and length on the explosion suppression performance was explored. The results demonstrate that polyurethane foam [...] Read more.
A self-built gas explosion testing platform was used to explore the quenching effect of flame-retardant polyurethane foam on a gas explosion. The effect of the foam’s filling position and length on the explosion suppression performance was explored. The results demonstrate that polyurethane foam exhibits an excellent flame-quenching performance, with a minimum of a 5 cm length of porous material being sufficient to completely quench the flame during propagation. Furthermore, the attenuation function of this porous material on the pressure wave is insignificantly affected by the change in ignition energy. Compared with the explosive state of the empty pipeline, the best suppression effect is obtained when the polyurethane foam is 20 cm in length with a filling position at 1.8 m, and the maximum explosion pressure and maximum rise rate are attenuated by 86.2% and 84.7%, respectively. This work has practical significance for the application of porous materials in explosion suppression and explosion-proof technologies in the chemical industrial processing and oil (gas) storage fields. Full article
(This article belongs to the Special Issue Synthesis and Properties of Flame Retardant for Polymers)
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