以十二叔胺、环氧氯丙烷为原料,在80℃反应4h先合成季铵盐,然后再在催化条件下,85℃反应8h聚合成超支化Gem in i季铵盐。研究了超支化Gem in i季铵盐的特殊性能,并讨论了其在油田、造纸、工业水处理、印刷电路板、农药、纺织印染助剂等...以十二叔胺、环氧氯丙烷为原料,在80℃反应4h先合成季铵盐,然后再在催化条件下,85℃反应8h聚合成超支化Gem in i季铵盐。研究了超支化Gem in i季铵盐的特殊性能,并讨论了其在油田、造纸、工业水处理、印刷电路板、农药、纺织印染助剂等领域中的应用。展开更多
The aromatic hyperbranched poly（ester amines）（AHPEAs） were successfully synthesized via the mild condensation of N-4-cyanobenzyl diethanolamine hydrogenchloride as an AB2 monomer in concentrated HCI. The polymeriz...The aromatic hyperbranched poly（ester amines）（AHPEAs） were successfully synthesized via the mild condensation of N-4-cyanobenzyl diethanolamine hydrogenchloride as an AB2 monomer in concentrated HCI. The polymerization was monitored by FTIR to suppose the reasonable reaction mechanism. The degree of branching was determined to be 0.55 by 1H NMR with an increased conversion of up to 96%. The glass transition temperature was measured by differential scanning calorimetry to range from -19 to 15℃ The molecular weights and polydispersities were investigated by gel permeation chromatography.展开更多
基金Supported by the National Natural Science Foundation of China(No.50633010)
文摘The aromatic hyperbranched poly（ester amines）（AHPEAs） were successfully synthesized via the mild condensation of N-4-cyanobenzyl diethanolamine hydrogenchloride as an AB2 monomer in concentrated HCI. The polymerization was monitored by FTIR to suppose the reasonable reaction mechanism. The degree of branching was determined to be 0.55 by 1H NMR with an increased conversion of up to 96%. The glass transition temperature was measured by differential scanning calorimetry to range from -19 to 15℃ The molecular weights and polydispersities were investigated by gel permeation chromatography.
