| 低温溶液直接缩聚法制备浆粕状芳纶纤维 |
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| 引用本文： | 傅群,尤秀兰,刘兆峰,胡祖明. 低温溶液直接缩聚法制备浆粕状芳纶纤维[J]. 合成技术及应用, 2002, 17(4): 8-10 |
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| 作者姓名： | 傅群 尤秀兰 刘兆峰 胡祖明 |
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| 作者单位： | 东华大学化学纤维及高分子材料改性国家重点实验室,上海,200051 |
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| 摘 要： | 采用低温溶液缩聚法制备浆粕状芳纶纤维 ,且通过均匀设计来安排合成试验 ,采用数据组合法和单纯型寻优法建立了各影响因素与芳纶浆粕纤维特性粘数之间的回归模型 ,优化了合成工艺 ,为进一步研究制备浆粕状芳纶浆粕工艺奠定了基础
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| 关 键 词： | 芳纶浆粕 低温溶液缩聚 均匀设计 |
| 文章编号： | 1006-334X(2002)04-0008-03 |
Preparation of PPTA-pulp directly by solution polycondensation at low temperature |
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| FU Qun,YOU Xiu-lan,LIU Zhao-feng,HU Zu-ming. Preparation of PPTA-pulp directly by solution polycondensation at low temperature[J]. Synthetic Technology and Application, 2002, 17(4): 8-10 |
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| Authors: | FU Qun YOU Xiu-lan LIU Zhao-feng HU Zu-ming |
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| Abstract: | PPTA-Pulp is a differential product of PPTA(para-polyparaphenylene terephthalamide). It has traditionally been made from spun aramid fibers using concentrated sulfuric acid as a solvent which are cut and mechanically refined. However the equipments can be easily eroded by concentrated sulfuric acid and the technology is too complicated. PPTA-Pulp can be directly polycondensated from p-phenylenediamine and terephthaloyl chloride in NMP-CaCl 2 solvent system without pyridine. Uniform design, group method of data handling and Nelder-Meade method have been combined to perform a proper mathematical model and optimize the experimental conditions of the direct polycondensation of PPTA-Pulp. |
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| Keywords: | PPTA-pulp solution polycondensation at low temperature uniform design |
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