Journal of Thermal Analysis and Calorimetry
Volume/Issue:
Volume 59: Issue 1-2
DSC Studies of Thermally Induced Phase Separation of Hydrogen Bonded Polymer Blends
Authors:
S. Chiu Polytechnic University Herman F. Mark Polymer Research Institute Six Metrotech Center Brooklyn New York 11201 USA Six Metrotech Center Brooklyn New York 11201 USA

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T. Kwei Polytechnic University Herman F. Mark Polymer Research Institute Six Metrotech Center Brooklyn New York 11201 USA Six Metrotech Center Brooklyn New York 11201 USA

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E. Pearce Polytechnic University Herman F. Mark Polymer Research Institute Six Metrotech Center Brooklyn New York 11201 USA Six Metrotech Center Brooklyn New York 11201 USA

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Pages:
71–81
Online Publication Date:
02 Nov 2004
Publication Date:
25 Jan 2000
Article Category:
Research Article
DOI:
https://doi.org/10.1023/a:1010171509415
Keywords:
glass transition temperature; hydrogen bonding; kinetics of phase separation; phase diagram; poly(n-hexyl methacrylate); poly(styrene-co-vinyl phenol); TMDSC
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Abstract  

The thermally induced phase separation behavior of hydrogen bonded polymer blends, poly(n-hexyl methacrylate) (PHMA) blended with poly(styrene-co-vinyl phenol) (STVPh) random copolymers having various vinyl phenol contents, was studied by temperature modulated differential scanning calorimetry (TMDSC).The enthalpy of phase separation was determined to be about 0.5 cal g–1 for one of the blends. A phase diagram was constructed from the TMDSC data for one of the blends. The kinetics of phase separation was studied by determining the phase compositions from the glass transition temperatures of quenched samples after phase separation. Subsequently, the phase separated samples were annealed at temperatures below the phase boundary to observe the return to the homogeneous state.

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Cover Journal of Thermal Analysis and Calorimetry
Journal of Thermal Analysis and Calorimetry
Print ISSN:
1388-6150
Online ISSN:
1572-8943

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Journal of Thermal Analysis and Calorimetry
Language English
Size A4
Year of
Foundation		 1969
Volumes
per Year		 1
Issues
per Year		 24
Founder Akadémiai Kiadó
Founder's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
Publisher Akadémiai Kiadó
Springer Nature Switzerland AG
Publisher's
Address		 H-1117 Budapest, Hungary 1516 Budapest, PO Box 245.
CH-6330 Cham, Switzerland Gewerbestrasse 11.
Responsible
Publisher		 Chief Executive Officer, Akadémiai Kiadó
ISSN 1388-6150 (Print)
ISSN 1588-2926 (Online)

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