|
|||||
|
|
Preparation and characterization of polysulfonamide statistical copolymers from three aromatic diamines |
|
| Authors: | Li Liu Wei-tao Wang Chang-fa Xiao |
| Affiliation: | LIU Li1,2,WANG Wei-tao1,XIAO Chang-fa2(1.School of Materials Science , Engineering,Shanghai University,Shanghai 201800,China,2.Key Laboratory of Hollow Fiber Membrane Materials , Membrane Processes,Ministry of Education,Tianjin Polytechnic University,Tianjin 300160,China) |
| Abstract: | Various polysulfonamide(PSA) statistical copolymers were synthesized by polycondensation of three aromatic diamines and terephthaloyl chloride.The inherent viscosities of the resulting PSA copolymers range from 1.54 to 1.66 dL/g.The precipitated PSA copolymers with feed content of p-phenylene diamine(PPD) being less than 50%(mole fraction) can be redissolved in N-methyl-2-pryrrolidone(NMP) or N,N-dimethylacetamide(DMAc) with lithium chloride of wLiCl=0.02.All of the PSA copolymers exhibit enhanced tensile s... |
| Keywords: | aromatic diamine terephthaloyl chloride(TPC) polysulfonamide(PSA) statistical copolymer polycondensation |
| 本文献已被 CNKI 维普 SpringerLink 等数据库收录！ | |