THE OBSERVATION OF INTERNAL MOTION OF LINEAR POLYSTYRENE CHAINS IN CYCLOHEXANE AROUND θ TEMPERATURE

Jun-fang Li; Yi-jie Lu; Guang-zhao Zhang

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THE OBSERVATION OF INTERNAL MOTION OF LINEAR POLYSTYRENE CHAINS IN CYCLOHEXANE AROUND θ TEMPERATURE

Papers | Updated：2021-06-21

- THE OBSERVATION OF INTERNAL MOTION OF LINEAR POLYSTYRENE CHAINS IN CYCLOHEXANE AROUND θ TEMPERATURE
- Vol. 26, Issue 6, Pages: 775-781(2008)
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- Published：20 November 2008
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Jun-fang Li, Yi-jie Lu, Guang-zhao Zhang. THE OBSERVATION OF INTERNAL MOTION OF LINEAR POLYSTYRENE CHAINS IN CYCLOHEXANE AROUND θ TEMPERATURE[J]. 2008, 26(6): 775-781.
DOI：

Jun-fang Li, Yi-jie Lu, Guang-zhao Zhang. THE OBSERVATION OF INTERNAL MOTION OF LINEAR POLYSTYRENE CHAINS IN CYCLOHEXANE AROUND θ TEMPERATURE[J]. 2008, 26(6): 775-781. DOI：

摘要

A high molecular weight (Mw = 1.85 × 107) polystyrene (PS) with narrow distribution was prepared by high vacuum anionic polymerization in tetrahydrofuran. By use of dynamic light scattering

the dynamics of PS chains in cyclohexane was studied around the θ temperature. For the first time

we have observed the internal motion of polymer chains in solutions below the θ temperature by using dynamic light scattering at smaller angles (even qRg 1).

Abstract

A high molecular weight (Mw = 1.85 × 107) polystyrene (PS) with narrow distribution was prepared by high vacuum anionic polymerization in tetrahydrofuran. By use of dynamic light scattering

the dynamics of PS chains in cyclohexane was studied around the θ temperature. For the first time

we have observed the internal motion of polymer chains in solutions below the θ temperature by using dynamic light scattering at smaller angles (even qRg 1).

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