N,N'-p-phenylenebis(3,3-dimethacrylamide) | 1228540-15-5

• 分子结构分类: 有机化合物 - 苯类化合物 - 苯和取代衍生物
• 英文名称: N,N'-p-phenylenebis(3,3-dimethacrylamide)
• 英文别名: 3-methyl-N-[4-(3-methylbut-2-enoylamino)phenyl]but-2-enamide
• CAS: 1228540-15-5
• 化学式: C₁₆H₂₀N₂O₂
• 分子量: 272.347
• InChiKey: YUPPUYQEYXWFSY-UHFFFAOYSA-N

计算性质

• 辛醇/水分配系数(LogP)：
  3.2
• 重原子数：
  20
• 可旋转键数：
  4
• 环数：
  1.0
• sp3杂化的碳原子比例：
  0.25
• 拓扑面积：
  58.2
• 氢给体数：
  2
• 氢受体数：
  2

反应信息

• 作为产物：
  描述：

  3-甲基巴豆酰氯 、 对苯二胺 在 吡啶 作用下， 以 二氯甲烷 为溶剂， 生成 N,N'-p-phenylenebis(3,3-dimethacrylamide)
  参考文献：
  名称：

  The synthesis and characterisation of reactive poly(p-phenylene terephthalamide)s: A route towards compression stable aramid fibres

  摘要：

  Herein we report on the synthesis of reactive poly(p-phenylene terephthalamide) (PPTA) oligomers and the preparation and characterisation of aramid fibres thereof. Methacrylate and maleimide reactive end-groups were found to be sufficiently stable in H2SO4 at 85 degrees C and they were used to prepare reactive PPTA oligomers. Lyotropic spin-dopes could be prepared with up to 20 wt% of reactive oligomer (M-n = 3900 g mol(-1)) and this modification did not interfere with the fibre spinning process and had no effect on the fibre tensile properties. The as-spun fibres did indeed show a modest (+0.1 GPa) improvement in compression strength. A high temperature treatment at 380 degrees C resulted in fibres which all show a significant increase in compressive strength over their as-spun precursors, i.e. from 0.7 to 0.9 GPa. When fibres were treated at 430 degrees C the compression values of the oligomer-modified fibres dropped somewhat, whereas unmodified PPTA displayed a compressive strength of 1.1 GPa. Other favourable fibre properties such as modulus and tenacity were not compromised. (C) 2010 Elsevier Ltd. All rights reserved.

  DOI：

  10.1016/j.polymer.2010.03.015

文献信息

• The synthesis and characterisation of reactive poly(p-phenylene terephthalamide)s: A route towards compression stable aramid fibres
  作者：Alwin Knijnenberg、Johan Bos、Theo J. Dingemans

  DOI：10.1016/j.polymer.2010.03.015

  日期：2010.4

  Herein we report on the synthesis of reactive poly(p-phenylene terephthalamide) (PPTA) oligomers and the preparation and characterisation of aramid fibres thereof. Methacrylate and maleimide reactive end-groups were found to be sufficiently stable in H2SO4 at 85 degrees C and they were used to prepare reactive PPTA oligomers. Lyotropic spin-dopes could be prepared with up to 20 wt% of reactive oligomer (M-n = 3900 g mol(-1)) and this modification did not interfere with the fibre spinning process and had no effect on the fibre tensile properties. The as-spun fibres did indeed show a modest (+0.1 GPa) improvement in compression strength. A high temperature treatment at 380 degrees C resulted in fibres which all show a significant increase in compressive strength over their as-spun precursors, i.e. from 0.7 to 0.9 GPa. When fibres were treated at 430 degrees C the compression values of the oligomer-modified fibres dropped somewhat, whereas unmodified PPTA displayed a compressive strength of 1.1 GPa. Other favourable fibre properties such as modulus and tenacity were not compromised. (C) 2010 Elsevier Ltd. All rights reserved.