STUDIES ON MICELLE BEHAVIORS OF STYRENE-BUTADIENE-STYRENE (SBS) TRIBLOCK COPOLYMERS IN METHYL ETHYL KETONE (MEK) BY POSITRON ANNIHILATION TECHNIQUE

YANG Rongjie; YE Meiling; SHI Lianghe; WANG Yunyu

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STUDIES ON MICELLE BEHAVIORS OF STYRENE-BUTADIENE-STYRENE (SBS) TRIBLOCK COPOLYMERS IN METHYL ETHYL KETONE (MEK) BY POSITRON ANNIHILATION TECHNIQUE

Papers | Updated：2021-06-21

- STUDIES ON MICELLE BEHAVIORS OF STYRENE-BUTADIENE-STYRENE (SBS) TRIBLOCK COPOLYMERS IN METHYL ETHYL KETONE (MEK) BY POSITRON ANNIHILATION TECHNIQUE
- Vol. 10, Issue 1, Pages: 55-60(1992)
- Affiliations：
  
  1. Institutue of Chemistry, Academia Sinica, Bejijing) WANG Yunyu
  2.   Academia Sinica
  3.   Bejijing
  4.   Institute of High Energy Physics
  5.   Beijing
- Author bio：
- Funds：
- DOI：
  CLC：
- Published：20 March 1992
- Accepted：
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[1]杨荣杰,叶美玲,施良和,王蕴玉.STUDIES ON MICELLE BEHAVIORS OF STYRENE-BUTADIENE-STYRENE (SBS) TRIBLOCK COPOLYMERS IN METHYL ETHYL KETONE (MEK) BY POSITRON ANNIHILATION TECHNIQUE[J].Chinese Journal of Polymer Science,1992,{4}(01):55-60.

YANG Rongjie, YE Meiling, SHI Lianghe, et al. STUDIES ON MICELLE BEHAVIORS OF STYRENE-BUTADIENE-STYRENE (SBS) TRIBLOCK COPOLYMERS IN METHYL ETHYL KETONE (MEK) BY POSITRON ANNIHILATION TECHNIQUE[J]. 1992, 10(1): 55-60.
[1]杨荣杰,叶美玲,施良和,王蕴玉.STUDIES ON MICELLE BEHAVIORS OF STYRENE-BUTADIENE-STYRENE (SBS) TRIBLOCK COPOLYMERS IN METHYL ETHYL KETONE (MEK) BY POSITRON ANNIHILATION TECHNIQUE[J].Chinese Journal of Polymer Science,1992,{4}(01):55-60. DOI：

YANG Rongjie, YE Meiling, SHI Lianghe, et al. STUDIES ON MICELLE BEHAVIORS OF STYRENE-BUTADIENE-STYRENE (SBS) TRIBLOCK COPOLYMERS IN METHYL ETHYL KETONE (MEK) BY POSITRON ANNIHILATION TECHNIQUE[J]. 1992, 10(1): 55-60. DOI：

摘要

正

Positron annihilation technique was used to study the micelle behaviors of two SBS triblock copolymers in MEK solvent at different temperatures. Annihilation lifetime τ

of ortho-positronium （o-Ps） exhibited an obvious transition from shorter lifetime to longer lifetime with temperature. It was attributed to the change of micelle behavior of SBS copolymer molecules in the solution. Experimental results of sedimentation velocity of ultracentrifuge were also reported.

Abstract

Positron annihilation technique was used to study the micelle behaviors of two SBS triblock copolymers in MEK solvent at different temperatures. Annihilation lifetime τ

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