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Erschienen in: Cellulose 2/2022

15.01.2022 | Original Research

A phosphorous/nitrogen-containing flame retardant with UV-curing for polyester/cotton fabrics

verfasst von: Xianwen Yang, Xiaohui Liu, Xuan Yang, Qiuyan Zhang, Yunbo Zheng, Yuanlin Ren, Bowen Cheng

Erschienen in: Cellulose | Ausgabe 2/2022

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Abstract

Polyester/cotton (PET/CO) fabrics usually burn more violently than single-component fabric due to significant differences of two components as well as “wick effect” during combustion process. Hence, it is very challenging to impart PET/CO fabrics excellent flame retardancy. In this work, a new monomer (ethoxy piperazine (phenyl) phosphoryl ethyl methacrylate, EPPEM) containing multiple unsaturated double bonds was synthesized. As EPPEM contained varied synergistic flame retardant components of phosphorus, nitrogen, and benzene ring, it was expected to form a dense cross-linked network structure on the surface of the fabrics by UV curing to prepare PET/CO fabrics with good flame retardancy and washing resistance. The limiting oxygen index (LOI) value of treated PET/CO fabrics increased up to 27.2% from 17.8% of control sample, which still reached 26.6% after 25 laundering cycles, indicating excellent flame retardancy and water-laundering resistance. Raman spectroscopy, thermogravimetric analysis coupled with Fourier transform infrared analysis and thermogravimetric mass spectrometry indicated that EPPEM promoted the production of more non-combustible compounds during pyrolysis process, such as H2O and CO2. Furthermore, EPPEM decomposed to produce acidic substances which promoted dehydration and coke formation of PET/CO fabrics, thereby preventing exchange of heat and combustible gas. On the basis of the results, a two-phase flame-retardant mechanism of EPPEM/UV-curable system for PET/CO fabrics was proposed.

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Literatur
Zurück zum Zitat Palaskar SS, Desai AN, Shukla SR (2016) Plasma induced nano-finish for multifunctional properties on cotton fabric. Indian J Fibre Text 41:325–330 Palaskar SS, Desai AN, Shukla SR (2016) Plasma induced nano-finish for multifunctional properties on cotton fabric. Indian J Fibre Text 41:325–330
Zurück zum Zitat Qian XD, Song L, Hu Y, Yuen RKK, Chen LJ, Guo YQ, Hong NN, Jiang SH (2011) Combustion and thermal degradation mechanism of a novel intumescent flame retardant for epoxy acrylate containing phosphorus and nitrogen. Ind Eng Chem Res 50:1881–1892. https://doi.org/10.1021/ie102196kCrossRef Qian XD, Song L, Hu Y, Yuen RKK, Chen LJ, Guo YQ, Hong NN, Jiang SH (2011) Combustion and thermal degradation mechanism of a novel intumescent flame retardant for epoxy acrylate containing phosphorus and nitrogen. Ind Eng Chem Res 50:1881–1892. https://​doi.​org/​10.​1021/​ie102196kCrossRef
Metadaten
Titel
A phosphorous/nitrogen-containing flame retardant with UV-curing for polyester/cotton fabrics
verfasst von
Xianwen Yang
Xiaohui Liu
Xuan Yang
Qiuyan Zhang
Yunbo Zheng
Yuanlin Ren
Bowen Cheng
Publikationsdatum
15.01.2022
Verlag
Springer Netherlands
Erschienen in
Cellulose / Ausgabe 2/2022
Print ISSN: 0969-0239
Elektronische ISSN: 1572-882X
DOI
https://doi.org/10.1007/s10570-021-04346-z

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