[1]王庆国,李小文,程镕时.交联高分子在混合溶剂中的溶胀与优先吸附[J].深圳大学学报理工版,2007,24(4):424-431.
 WANG Qing-guo,LI Xiao-wen,and CHENG Rong-shi.Swelling and preferential adsorption of polymer networks in solvent mixtures[J].Journal of Shenzhen University Science and Engineering,2007,24(4):424-431.
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交联高分子在混合溶剂中的溶胀与优先吸附()
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《深圳大学学报理工版》[ISSN:1000-2618/CN:44-1401/N]

卷:
第24卷
期数:
2007年4期
页码:
424-431
栏目:
化学与化工
出版日期:
2007-10-30

文章信息/Info

Title:
Swelling and preferential adsorption of polymer networks in solvent mixtures
文章编号:
1000-2618(2007)04-0424-08
作者:
王庆国1李小文1程镕时23
1)深圳大学化学与化工学院,深圳518060;
2)南京大学化学与化工学院,南京210093;
3)华南理工大学高分子研究所,广州510640
Author(s):
WANG Qing-guo1LI Xiao-wen1and CHENG Rong-shi23
1)College of Chemistry and Chemical Engineering,Shenzhen University,henzhen 518060,P.R.China
2)College of Chemistry and Technology,Nanjing University,Nanjing 210008,P.R.China
3)Research Institute of Polymer Science,South China University of Technology,Guangzhou 510640,P.R.China
关键词:
交联高分子优先吸附混合溶剂体积排除色谱法
Keywords:
polymer networkpreferential adsorptionsolvent mixturesize-exclusion chromatography
分类号:
O 657.7
文献标志码:
A
摘要:

给出溶胀法计算优先吸附系数的理论关系式,测定聚甲基丙烯酸甲酯交联网络-氯仿(1)-甲醇(2)和聚苯乙烯交联网络-苯(1)-甲醇(2)两个实际体系.实验结果显示,对于聚甲基丙烯酸甲酯交联网络-氯仿(1)-甲醇(2)体系,得到的数据与线型体系一致;对于聚苯乙烯交联网络-苯(1)-甲醇(2)体系,测得的优先吸附数据普遍低于线型聚苯乙烯在相同混合溶剂中的值.从交联网络的溶胀度和结构均匀性方面对实验结果进行了解释.

Abstract:

A formula is given for calculating the preferential adsorption coefficient λ? for swelling systems of polymer networks in solvent mixtures.The polymethyl methacrylate (PMMA) network system containing chloroform (1) and methanol (2)as well as the polystyrene (PS) network system containing benzene (1) and methanol (2) were studied.In the former case the values λ obtained from the swelling experiment are in good agreement with those from the same linear PMMA solution system,but in the latter case the values λ are always lower than the corresponding linear PS solution system.This difference in behavior of the two systems is explained in terms of swelling degrees and uniformity of network structures.

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相似文献/References:

[1]王庆国,袁木旺,方 泽,等.小分子溶质--混合溶剂三元体系的优先吸附现象[J].深圳大学学报理工版,2005,22(2):95.
 WANG Qing-guo,YUAN Mu-wang,FANG Zhe,et al.Preferential adsorption of a ternary system containing a small solute and a solvent mixture[J].Journal of Shenzhen University Science and Engineering,2005,22(4):95.

备注/Memo

备注/Memo:
收稿日期:2007-05-07
基金项目:国家自然科学基金资助项目(20474040)
作者简介:王庆国(1958-),男(汉族),江苏省镇江市人,深圳大学教授、博士.E-mail:w_qingguo@hotmail.com
更新日期/Last Update: 2007-12-05