Tags

Type your tag names separated by a space and hit enter

Preparation of a Novel Intumescent Flame Retardant Based on Supramolecular Interactions and Its Application in Polyamide 11.
ACS Appl Mater Interfaces. 2017 Jul 26; 9(29):24964-24975.AA

Abstract

The flammability and melt dripping of the widely used bio-based polyamide 11 (PA 11) have attracted much attention in the last decade, and they are still a big challenge for the fire science society. In this work, a novel single macromolecular intumescent flame retardant (AM-APP) that contains an acid source and a gas source was prepared by supramolecular reactions between melamine and p-aminobenzene sulfonic acid, followed by an ionic exchange with ammonium polyphosphate. The chemical structure of AM-APP was characterized by Fourier transform infrared (FTIR) spectroscopy, X-ray photoelectron spectroscopy, and scanning electron microscopy. AM-APP and TiO2 were then introduced into PA 11 by melt compounding to improve the fire resistance of the composite. The fire performance of PA 11 composites was evaluated by the limiting oxygen index (LOI), vertical burning (UL-94), and cone calorimetry tests. The results showed that the presence of 22% AM-APP and 3% TiO2 increased the LOI value from 22.2 to 29.2%, upgraded the UL-94 rating from no rating to V-0, completely eliminated melt dripping, and significantly decreased the peak heat release rate from 943.4 to 177.5 kW/m2. The thermal behaviors were investigated by thermogravimetric (TG) analysis and TG-FTIR. It is suggested that AM-APP produces an intumescent char structure and releases inert gases, whereas TiO2 may consolidate the char layers, leading to the improvement in the fire resistance of PA 11.

Authors+Show Affiliations

No affiliation info availableNo affiliation info availableThe High School Affiliated to Renmin University of China , No. 37 Zhongguancun Street, Haidian District, Beijing 100080, China.No affiliation info availableUniv. Lille, CNRS, ENSCL, UMR 8207, UMET, Unité Matériaux et Transformations , F-59 000 Lille, France.No affiliation info availableNo affiliation info availableNo affiliation info available

Pub Type(s)

Journal Article

Language

eng

PubMed ID

28561583

Citation

Jin, Xiaodong, et al. "Preparation of a Novel Intumescent Flame Retardant Based On Supramolecular Interactions and Its Application in Polyamide 11." ACS Applied Materials & Interfaces, vol. 9, no. 29, 2017, pp. 24964-24975.
Jin X, Sun J, Zhang JS, et al. Preparation of a Novel Intumescent Flame Retardant Based on Supramolecular Interactions and Its Application in Polyamide 11. ACS Appl Mater Interfaces. 2017;9(29):24964-24975.
Jin, X., Sun, J., Zhang, J. S., Gu, X., Bourbigot, S., Li, H., Tang, W., & Zhang, S. (2017). Preparation of a Novel Intumescent Flame Retardant Based on Supramolecular Interactions and Its Application in Polyamide 11. ACS Applied Materials & Interfaces, 9(29), 24964-24975. https://doi.org/10.1021/acsami.7b06250
Jin X, et al. Preparation of a Novel Intumescent Flame Retardant Based On Supramolecular Interactions and Its Application in Polyamide 11. ACS Appl Mater Interfaces. 2017 Jul 26;9(29):24964-24975. PubMed PMID: 28561583.
* Article titles in AMA citation format should be in sentence-case
TY - JOUR T1 - Preparation of a Novel Intumescent Flame Retardant Based on Supramolecular Interactions and Its Application in Polyamide 11. AU - Jin,Xiaodong, AU - Sun,Jun, AU - Zhang,Jessica Shiqing, AU - Gu,Xiaoyu, AU - Bourbigot,Serge, AU - Li,Hongfei, AU - Tang,Wufei, AU - Zhang,Sheng, Y1 - 2017/07/14/ PY - 2017/6/1/pubmed PY - 2017/6/1/medline PY - 2017/6/1/entrez KW - intumescent flame retardant KW - ionic exchange KW - polyamide 11 KW - supramolecule KW - synthesis SP - 24964 EP - 24975 JF - ACS applied materials & interfaces JO - ACS Appl Mater Interfaces VL - 9 IS - 29 N2 - The flammability and melt dripping of the widely used bio-based polyamide 11 (PA 11) have attracted much attention in the last decade, and they are still a big challenge for the fire science society. In this work, a novel single macromolecular intumescent flame retardant (AM-APP) that contains an acid source and a gas source was prepared by supramolecular reactions between melamine and p-aminobenzene sulfonic acid, followed by an ionic exchange with ammonium polyphosphate. The chemical structure of AM-APP was characterized by Fourier transform infrared (FTIR) spectroscopy, X-ray photoelectron spectroscopy, and scanning electron microscopy. AM-APP and TiO2 were then introduced into PA 11 by melt compounding to improve the fire resistance of the composite. The fire performance of PA 11 composites was evaluated by the limiting oxygen index (LOI), vertical burning (UL-94), and cone calorimetry tests. The results showed that the presence of 22% AM-APP and 3% TiO2 increased the LOI value from 22.2 to 29.2%, upgraded the UL-94 rating from no rating to V-0, completely eliminated melt dripping, and significantly decreased the peak heat release rate from 943.4 to 177.5 kW/m2. The thermal behaviors were investigated by thermogravimetric (TG) analysis and TG-FTIR. It is suggested that AM-APP produces an intumescent char structure and releases inert gases, whereas TiO2 may consolidate the char layers, leading to the improvement in the fire resistance of PA 11. SN - 1944-8252 UR - https://www.unboundmedicine.com/medline/citation/28561583/Preparation_of_a_Novel_Intumescent_Flame_Retardant_Based_on_Supramolecular_Interactions_and_Its_Application_in_Polyamide_11_ L2 - https://dx.doi.org/10.1021/acsami.7b06250 DB - PRIME DP - Unbound Medicine ER -
Try the Free App:
Prime PubMed app for iOS iPhone iPad
Prime PubMed app for Android
Prime PubMed is provided
free to individuals by:
Unbound Medicine.