AN EXPERIMENTAL STUDY ON THE SOL/GEL PHASE TRANSITION OF LINEAR POLYMER IN THE PRESENCE OF CROSSLINKERS

HAN Ming; SHI Lianghe; YE Meiling; MULLER Guy

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AN EXPERIMENTAL STUDY ON THE SOL/GEL PHASE TRANSITION OF LINEAR POLYMER IN THE PRESENCE OF CROSSLINKERS

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- AN EXPERIMENTAL STUDY ON THE SOL/GEL PHASE TRANSITION OF LINEAR POLYMER IN THE PRESENCE OF CROSSLINKERS
- Vol. 14, Issue 1, Pages: 63-70(1996)
- Affiliations：
  
  1.   Polymer Physics Laboratory
  2.   Institute of Chemistry
  3.   Academia Sinica
  4.   Beijing 100080
  5.   Polymeres
  6.   Biopolymeres
  7.   Membranes
  8.   URA du CNRS Faculte des Sciences  ,500
  9.   Universite de Rouen
  10.    Mont Saint-Aignan  ,76134
  11.   France
- Author bio：
- Funds：
- DOI：
  CLC： TQ317
- Published：20 March 1996
- Accepted：
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[1]韩明,施良和,叶美玲,MULLER Guy.AN EXPERIMENTAL STUDY ON THE SOL/GEL PHASE TRANSITION OF LINEAR POLYMER IN THE PRESENCE OF CROSSLINKERS[J].Chinese Journal of Polymer Science,1996,{4}(01):63-70.

HAN Ming, SHI Lianghe, YE Meiling, et al. AN EXPERIMENTAL STUDY ON THE SOL/GEL PHASE TRANSITION OF LINEAR POLYMER IN THE PRESENCE OF CROSSLINKERS[J]. 1996, 14(1): 63-70.
[1]韩明,施良和,叶美玲,MULLER Guy.AN EXPERIMENTAL STUDY ON THE SOL/GEL PHASE TRANSITION OF LINEAR POLYMER IN THE PRESENCE OF CROSSLINKERS[J].Chinese Journal of Polymer Science,1996,{4}(01):63-70. DOI：

HAN Ming, SHI Lianghe, YE Meiling, et al. AN EXPERIMENTAL STUDY ON THE SOL/GEL PHASE TRANSITION OF LINEAR POLYMER IN THE PRESENCE OF CROSSLINKERS[J]. 1996, 14(1): 63-70. DOI：

摘要

<正> The sol/gel phase diagrams were studied for two systems: polyacrylamide/Cr （III） andpolyacrylamide/glyoxal. Sol or gel phase could be distinguished according to the concen-trations of polymer and crosslinker. The boundary polymer concentration did not de-pend on the types of gelation and decreased with increasing polymer dimension （molecularweight and conformation）. The gelation

which is basically interchain bonding

requires theoccurrence of entanglement. The overlap concentration is thus considered as the minimumpolymer concentration required for gelation.

Abstract

The sol/gel phase diagrams were studied for two systems: polyacrylamide/Cr （III） andpolyacrylamide/glyoxal. Sol or gel phase could be distinguished according to the concen-trations of polymer and crosslinker. The boundary polymer concentration did not de-pend on the types of gelation and decreased with increasing polymer dimension （molecularweight and conformation）. The gelation

which is basically interchain bonding

requires theoccurrence of entanglement. The overlap concentration is thus considered as the minimumpolymer concentration required for gelation.

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