The influence of amino chain length and calcium lignosulfonate modification on lignosulfonamides flammability and thermal stability

被引：7
|
作者：
Majka, Tomasz M. [1 ]
机构：
[1] Cracow Univ Technol, Dept Chem & Technol Polymers, Warszawska 24, PL-31155 Krakow, Poland
来源：
POLIMERY | 2023年 / 68卷 / 10期
关键词：
lignosulfonamides; calcium lignosulfonate; lignosulfonyl chloride; flame-retardants; biomaterials;
D O I：
10.14314/polimery.2023.10.4
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The influence of methods for obtaining lignosulfonyl chloride (through chemical modifications of calcium lignosulfonate) and the amine chain length on the thermal properties and flammability of lignosulfonamides were examined. HCl/HSO3Cl, HCl/PCl5, PCl5, and SOCl2 were used to calcium lignosulfonate modification. The conditions for the synthesis of lignosulfonamides were optimized. Promising results were aquired for N-butyl-N-dodecyl-lignosulfonamides obtained by reaction with thionyl chloride and PCl5. Tests confirmed negligible flammability and better thermal stability. The obtained lignosulfonamides can be used as flame-retardants in biocomposites.
引用
收藏
页码：544 / 554
页数：11
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