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Macromolecular Research : Volume 10, Issue 2, March 2002

Macromolecular Research : Volume 10, Issue 1, February 2002

Extensional and complex viscosities of linear and branched polycarbonate blends

Content Provider	Springer Nature Link
Author	Park, Jung Hoon Hyun, Jae Chun Kim, Woo Nyon Kim, Sung Ryong Ryu, Seung Chan
Copyright Year	2002
Abstract	Blends of the linear bisphenol-A polycarbonate (L-PC) and randomly branched bisphenol-A polycarbonate (Br-PC), prepared by co-rotating twin screw extrusion, were investigated using differential scanning calorimetry (DSC), sag resistance time tester, extensional rheometry, and advanced rheometric expansion system (ARES). From the DSC results, the glass transition temperature (Tg) of the L-PC/Br-PC blend was increased with the increase of Br-PC in the blend, and the blend showed a singleTg, which suggests a miscible blend. The sag resistance time of the L-PC/Br-PC blend was increased with the increase of Br-PC in the blends. From the results of rheological measurements of the L-PC/Br-PC blends, the extensional viscosity and the complex viscosity of the blends were found to increase with the increase of Br-PC in the blends. The increase of extensional viscosity and complex viscosity was related with the increase of sag resistance time with the Br-PC in the L-PC/Br-PC blends.
Starting Page	135
Ending Page	139
Page Count	5
File Format	PDF
ISSN	15985032
Journal	Macromolecular Research
Volume Number	10
Issue Number	3
e-ISSN	20927673
Language	English
Publisher	Springer-Verlag
Publisher Date	2002-01-01
Publisher Place	Berlin, Heidelberg
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	polymer blends polycarbonate extensional viscosity Polymer Sciences Soft and Granular Matter, Complex Fluids and Microfluidics Physical Chemistry Characterization and Evaluation of Materials Nanochemistry Nanotechnology
Content Type	Text
Resource Type	Article
Subject	Organic Chemistry Materials Chemistry Chemical Engineering Polymers and Plastics

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