Preparation and Properties of Alkali Washable and Flame Retardant Lyocell Fibers Based on Erythritol Phosphate Ammonium

ZHOU Lan-yang; YE Xiao-bo; FANG Bin; SUN Yi-min

doi:10.14028/j.cnki.1003-3726.2024.23.297

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Preparation and Properties of Alkali Washable and Flame Retardant Lyocell Fibers Based on Erythritol Phosphate Ammonium

更新时间：2024-01-11

- Preparation and Properties of Alkali Washable and Flame Retardant Lyocell Fibers Based on Erythritol Phosphate Ammonium
  增强出版
- Polymer Bulletin Vol. 37, Issue 1, Pages: 96-104(2024)
- 作者机构：
  
  1..武汉工程大学等离子体化学与新材料湖北省重点实验室，武汉　430205
  2..当阳市鸿阳新材料科技有限公司，当阳　444100
- 作者简介：
- 基金信息：
- DOI：10.14028/j.cnki.1003-3726.2024.23.297
  CLC：
- Received：09 May 2023，
  
  Accepted：2023-06-12，
  
  Published：20 January 2024
- 稿件说明：
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周兰阳, 叶小波, 方斌, 孙义民. 基于赤藓糖磷酸铵的耐碱洗阻燃Lyocell纤维制备及性能研究. 高分子通报, 2024, 37(1), 96–104

Zhou, L. Y.; Ye, X. B.; Fang, B.; Sun, Y. M. Preparation and properties of alkali washable and flame retardant Lyocell fibers based on erythritol phosphate ammonium. Polym. Bull. (in Chinese), 2024, 37(1), 96–104
周兰阳, 叶小波, 方斌, 孙义民. 基于赤藓糖磷酸铵的耐碱洗阻燃Lyocell纤维制备及性能研究. 高分子通报, 2024, 37(1), 96–104 DOI： 10.14028/j.cnki.1003-3726.2024.23.297.

Zhou, L. Y.; Ye, X. B.; Fang, B.; Sun, Y. M. Preparation and properties of alkali washable and flame retardant Lyocell fibers based on erythritol phosphate ammonium. Polym. Bull. (in Chinese), 2024, 37(1), 96–104 DOI： 10.14028/j.cnki.1003-3726.2024.23.297.

摘要

通过赤藓糖醇与磷酸和尿素反应，合成赤藓糖醇磷酸铵(EPA)，并将其作为一种新型无卤阻燃剂，以双氰胺为催化剂，通过浸渍焙烘工艺整理到Lyocell纤维上，制得EPA-Lyocell阻燃纤维。EPA-Lyocell的极限氧指数(LOI)达到45.3%，远高于纯Lyocell纤维的17%，阻燃效果明显。EPA-Lyocell纤维经过20次水洗循环后，LOI为39.2%，以20 g/L的碳酸钠溶液洗涤20次后，LOI仍能达到34.3%，可作为一种具有优异耐久性的Lyocell阻燃纤维。

Abstract

Through the reaction of erythritol with phosphoric acid and urea

erythritol phosphate ammonium (EPA) is synthesized and used as a new type of halogen-free flame retardant. Using melamine as a catalyst

EPA is attached onto Lyocell fibers by impregnation and baking process to produce EPA-Lyocell flame retardant fibers. The limiting oxygen index (LOI) of EPA-Lyocell reaches 45.3%

which is significantly higher than 17% for pure Lyocell fibers

showing obvious flame retardant effect. After 20 cycles of water washing

the LOI of EPA-Lyocell fibers is 39.2%. Even after washing with a sodium carbonate solution of 20 g/L for 20 times

the LOI can still reach 34.3%

making it flame retardant Lyocell fibers with excellent durability.

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references

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