MISCIBILITY AND MORPHOLOGY OF THIN FILMS OF BLENDS OF POLYSTYRENE WITH BROMINATED POLYSTYRENES: EFFECTS OF VARYING THE MOLECULAR WEIGHT, BROMINATION DEGREE AND ANNEALING

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MISCIBILITY AND MORPHOLOGY OF THIN FILMS OF BLENDS OF POLYSTYRENE WITH BROMINATED POLYSTYRENES: EFFECTS OF VARYING THE MOLECULAR WEIGHT, BROMINATION DEGREE AND ANNEALING

Updated：2021-06-21

- MISCIBILITY AND MORPHOLOGY OF THIN FILMS OF BLENDS OF POLYSTYRENE WITH BROMINATED POLYSTYRENES: EFFECTS OF VARYING THE MOLECULAR WEIGHT, BROMINATION DEGREE AND ANNEALING
- Issue 5, Pages: 515-528(2006)
- Affiliations：
  
  College of Material Science and Chemical Engineering Zhengzhou University of Light Industry Zhengzhou 450002 China College of Chemistry and Chemical Engineering Graduate University of Chinese Academy of Sciences Beijing China ,100039
- Author bio：
- Funds：
- DOI：
  CLC： TQ320.721
- Published：2006
- Accepted：
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[1]宋锐.MISCIBILITY AND MORPHOLOGY OF THIN FILMS OF BLENDS OF POLYSTYRENE WITH BROMINATED POLYSTYRENES: EFFECTS OF VARYING THE MOLECULAR WEIGHT, BROMINATION DEGREE AND ANNEALING[J].Chinese Journal of Polymer Science,2006(05):515-528.

MISCIBILITY AND MORPHOLOGY OF THIN FILMS OF BLENDS OF POLYSTYRENE WITH BROMINATED POLYSTYRENES: EFFECTS OF VARYING THE MOLECULAR WEIGHT, BROMINATION DEGREE AND ANNEALING[J]. 2006, (5): 515-528.
[1]宋锐.MISCIBILITY AND MORPHOLOGY OF THIN FILMS OF BLENDS OF POLYSTYRENE WITH BROMINATED POLYSTYRENES: EFFECTS OF VARYING THE MOLECULAR WEIGHT, BROMINATION DEGREE AND ANNEALING[J].Chinese Journal of Polymer Science,2006(05):515-528. DOI：

MISCIBILITY AND MORPHOLOGY OF THIN FILMS OF BLENDS OF POLYSTYRENE WITH BROMINATED POLYSTYRENES: EFFECTS OF VARYING THE MOLECULAR WEIGHT, BROMINATION DEGREE AND ANNEALING[J]. 2006, (5): 515-528. DOI：

摘要

<正>Thin films of incompatible polymer blends can form a variety of structures during preparation and subsequent annealing process. For the polymer blend system consisting of polystyrene and poIy（styrene-co-p-bromo-styrene）

i.e.

PS/PBrxS

its compatibility could be adjusted by varying the degree of bromination and the molecular weight of both components comprised

in this paper

surface chemical compositions of the cast and the annealing films were investigated by X-ray photoelectron spectroscopy （XPS） and contact angle measurement; meanwhile

surface topographical changes are followed by atomic force microscopy （AFM）. In addition

substantial attention was paid to the effect of annealing on the morphologic variations induced by phase separation and/or dewetting of the thin film. Moreover

the influences of the molecular weight

as well as the brominated degree

on the sample surface are explored systematically

and the corresponding observations are explained in virtue of the Flory-Huggins theory

along with the dewetting of the polymer thin film.

Abstract

Thin films of incompatible polymer blends can form a variety of structures during preparation and subsequent annealing process. For the polymer blend system consisting of polystyrene and poIy（styrene-co-p-bromo-styrene）

i.e.

PS/PBrxS

its compatibility could be adjusted by varying the degree of bromination and the molecular weight of both components comprised

in this paper

surface chemical compositions of the cast and the annealing films were investigated by X-ray photoelectron spectroscopy （XPS） and contact angle measurement; meanwhile

surface topographical changes are followed by atomic force microscopy （AFM）. In addition

substantial attention was paid to the effect of annealing on the morphologic variations induced by phase separation and/or dewetting of the thin film. Moreover

the influences of the molecular weight

as well as the brominated degree

on the sample surface are explored systematically

and the corresponding observations are explained in virtue of the Flory-Huggins theory

along with the dewetting of the polymer thin film.

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