Phase behavior of blends of polycarbonate with partially miscible polymers

Woo Nyon Kim; Charles M. Burns

doi:10.1002/app.1990.070410718

Phase behavior of blends of polycarbonate with partially miscible polymers

Woo Nyon Kim
, Charles M. Burns^*

^*Corresponding author for this work

Research output: Contribution to journal › Article › peer-review

67 Citations (Scopus)

Abstract

Phase behavior of blends of bisphenol A polycarbonate (PC) with polystyrene (PS), poly(styrene‐co‐acrylonitrile) (SAN), poly(acrylonitrile‐butadiene‐styrene) (ABS), poly(methyl methacrylate) (PMMA), poly(ethylene terephthalate) (PET), and poly(butylene terephthalate) (PBT) has been investigated. Blends were prepared by screw extrusion and solution casting with weight fractions of PC in the blends varying from 0.90 to 0.10. From the phase diagram of the blends, it appears that PS, SAN, ABS, PMMA, PET, and PBT dissolve more in the PC‐rich phase than does PC in the PS‐, SAN‐, ABS‐, PMMA‐, PET‐, and PBT‐rich phases. Also, from the measured glass transition temperature (T_g) of the screw‐extruded blends and the solution‐cast blends, it appears that compatibility increases more in the PS‐, SAN‐, ABS‐, PMMA, PET‐, and PBT‐rich compositions than in the PC‐rich compositions. Composition‐dependent values of the polymer‐polymer interaction parameters (g₁₂) of various blends were calculated and found to be from 0.034 to 0.053 for equal weights of each of the polymers with PC.

Original language	English
Pages (from-to)	1575-1593
Number of pages	19
Journal	Journal of Applied Polymer Science
Volume	41
Issue number	7-8
DOIs	https://doi.org/10.1002/app.1990.070410718
Publication status	Published - 1990

ASJC Scopus subject areas

General Chemistry
Surfaces, Coatings and Films
Polymers and Plastics
Materials Chemistry

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title = "Phase behavior of blends of polycarbonate with partially miscible polymers",

abstract = "Phase behavior of blends of bisphenol A polycarbonate (PC) with polystyrene (PS), poly(styrene‐co‐acrylonitrile) (SAN), poly(acrylonitrile‐butadiene‐styrene) (ABS), poly(methyl methacrylate) (PMMA), poly(ethylene terephthalate) (PET), and poly(butylene terephthalate) (PBT) has been investigated. Blends were prepared by screw extrusion and solution casting with weight fractions of PC in the blends varying from 0.90 to 0.10. From the phase diagram of the blends, it appears that PS, SAN, ABS, PMMA, PET, and PBT dissolve more in the PC‐rich phase than does PC in the PS‐, SAN‐, ABS‐, PMMA‐, PET‐, and PBT‐rich phases. Also, from the measured glass transition temperature (Tg) of the screw‐extruded blends and the solution‐cast blends, it appears that compatibility increases more in the PS‐, SAN‐, ABS‐, PMMA, PET‐, and PBT‐rich compositions than in the PC‐rich compositions. Composition‐dependent values of the polymer‐polymer interaction parameters (g12) of various blends were calculated and found to be from 0.034 to 0.053 for equal weights of each of the polymers with PC.",

author = "Kim, \{Woo Nyon\} and Burns, \{Charles M.\}",

year = "1990",

doi = "10.1002/app.1990.070410718",

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AU - Burns, Charles M.

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N2 - Phase behavior of blends of bisphenol A polycarbonate (PC) with polystyrene (PS), poly(styrene‐co‐acrylonitrile) (SAN), poly(acrylonitrile‐butadiene‐styrene) (ABS), poly(methyl methacrylate) (PMMA), poly(ethylene terephthalate) (PET), and poly(butylene terephthalate) (PBT) has been investigated. Blends were prepared by screw extrusion and solution casting with weight fractions of PC in the blends varying from 0.90 to 0.10. From the phase diagram of the blends, it appears that PS, SAN, ABS, PMMA, PET, and PBT dissolve more in the PC‐rich phase than does PC in the PS‐, SAN‐, ABS‐, PMMA‐, PET‐, and PBT‐rich phases. Also, from the measured glass transition temperature (Tg) of the screw‐extruded blends and the solution‐cast blends, it appears that compatibility increases more in the PS‐, SAN‐, ABS‐, PMMA, PET‐, and PBT‐rich compositions than in the PC‐rich compositions. Composition‐dependent values of the polymer‐polymer interaction parameters (g12) of various blends were calculated and found to be from 0.034 to 0.053 for equal weights of each of the polymers with PC.

AB - Phase behavior of blends of bisphenol A polycarbonate (PC) with polystyrene (PS), poly(styrene‐co‐acrylonitrile) (SAN), poly(acrylonitrile‐butadiene‐styrene) (ABS), poly(methyl methacrylate) (PMMA), poly(ethylene terephthalate) (PET), and poly(butylene terephthalate) (PBT) has been investigated. Blends were prepared by screw extrusion and solution casting with weight fractions of PC in the blends varying from 0.90 to 0.10. From the phase diagram of the blends, it appears that PS, SAN, ABS, PMMA, PET, and PBT dissolve more in the PC‐rich phase than does PC in the PS‐, SAN‐, ABS‐, PMMA‐, PET‐, and PBT‐rich phases. Also, from the measured glass transition temperature (Tg) of the screw‐extruded blends and the solution‐cast blends, it appears that compatibility increases more in the PS‐, SAN‐, ABS‐, PMMA, PET‐, and PBT‐rich compositions than in the PC‐rich compositions. Composition‐dependent values of the polymer‐polymer interaction parameters (g12) of various blends were calculated and found to be from 0.034 to 0.053 for equal weights of each of the polymers with PC.

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DO - 10.1002/app.1990.070410718

M3 - Article

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ER -

Phase behavior of blends of polycarbonate with partially miscible polymers

Abstract

ASJC Scopus subject areas

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