STUDY ON PHASE-SEPARATION OF PMMA/SAN BLENDS INDUCED BY GLASS BEADS THROUGH DYNAMIC RHEOLOGICAL MEASUREMENTS

Miao Du; Jian-hua Gong; Min Zuo and Qiang Zneng a Department of Polymer Science and Engineering; Zhejiang University; Hangzhou 310027; China b State Key Laboratory of Fluid Power Control and Transmission; Zhejiang University; Hangzhou 310027; China

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STUDY ON PHASE-SEPARATION OF PMMA/SAN BLENDS INDUCED BY GLASS BEADS THROUGH DYNAMIC RHEOLOGICAL MEASUREMENTS

Updated：2021-06-21

- STUDY ON PHASE-SEPARATION OF PMMA/SAN BLENDS INDUCED BY GLASS BEADS THROUGH DYNAMIC RHEOLOGICAL MEASUREMENTS
- STUDY ON PHASE-SEPARATION OF PMMA/SAN BLENDS INDUCED BY GLASS BEADS THROUGH DYNAMIC RHEOLOGICAL MEASUREMENTS
- 高分子科学（英文版） 2006年第1期页码：53-60
- Affiliations：
- Author bio：
- Funds：
  
  This project was supported by the National Natural Science Foundation of China（No.20304014）the Special Funds for National Science Funds for Distinguished Young Scholars（No.50125312）.()
- DOI：
  中图分类号： O631.3
- 纸质出版：2006
- Accepted：
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[1].STUDY ON PHASE-SEPARATION OF PMMA/SAN BLENDS INDUCED BY GLASS BEADS THROUGH DYNAMIC RHEOLOGICAL MEASUREMENTS[J].Chinese Journal of Polymer Science,2006(01):53-60.

STUDY ON PHASE-SEPARATION OF PMMA/SAN BLENDS INDUCED BY GLASS BEADS THROUGH DYNAMIC RHEOLOGICAL MEASUREMENTS[J]. 2006, (1): 53-60.
[1].STUDY ON PHASE-SEPARATION OF PMMA/SAN BLENDS INDUCED BY GLASS BEADS THROUGH DYNAMIC RHEOLOGICAL MEASUREMENTS[J].Chinese Journal of Polymer Science,2006(01):53-60. DOI：

STUDY ON PHASE-SEPARATION OF PMMA/SAN BLENDS INDUCED BY GLASS BEADS THROUGH DYNAMIC RHEOLOGICAL MEASUREMENTS[J]. 2006, (1): 53-60. DOI：

摘要

正

Based on the premise that the addition of glass beads（GB）could hardly influence the linear viscoelasticity in low frequency（ω）region for homogeneous polymer systems

the dynamic rheological behaviors of unfilled and filled poly（methyl methyacrylate）（PMMA）/poly（styrene-co-acrylonitrile）（SAN）blends were studied in order to explore the effect of GB on the phase-separation of binary polymer matrix.Results show that GB has an induced effect on the phase-separation

which embodies that the phase-separation temperature（T

）of PMMA/SAN blend filled with GB is lower than that of the unfilled system.The higher content of GB

the higher is the“secondary plateau”of ω in the terminal region of storage modulus（G’）versus ω plot.The“secondary plateau”appearing in the terminal region is attributed to the phase-separation of PMMA/SAN blends and it becomes more flat for filled polymer blends under the same conditions.However

it is suggested that this kind of“induced effect”is related to the GB content;the higher content of GB particles might enhance the interaction between the particles and polymer matrix.Moreover

it is found that the addition of GB also has an influence more or less on the morphology and domain size of polymer matrix.It is believed that the plot of dynamic viscosity（η’） versus the loss viscosity（η"）is sensitive to examine the effect induced by GB on the phase-separation of binary polymer matrix.

Abstract

Based on the premise that the addition of glass beads（GB）could hardly influence the linear viscoelasticity in low frequency（ω）region for homogeneous polymer systems

which embodies that the phase-separation temperature（T

）of PMMA/SAN blend filled with GB is lower than that of the unfilled system.The higher content of GB

it is suggested that this kind of“induced effect”is related to the GB content;the higher content of GB particles might enhance the interaction between the particles and polymer matrix.Moreover

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