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Titolo:
STUDY ON THE SURFACE TENSIONS OF POLYMER MELTS USING AXISYMMETRICAL DROP SHAPE-ANALYSIS
Autore:
KWOK DY; CHEUNG LK; PARK CB; NEUMANN AW;
Indirizzi:
UNIV TORONTO,LAB APPL SURFACE THERMODYNAM TORONTO ON M5S 3G8 CANADA UNIV TORONTO,DEPT MECH & IND ENGN,MICROCELLULAR PLAST MFG LAB TORONTOON M5S 3G8 CANADA
Titolo Testata:
Polymer engineering and science
fascicolo: 5, volume: 38, anno: 1998,
pagine: 757 - 764
SICI:
0032-3888(1998)38:5<757:SOTSTO>2.0.ZU;2-P
Fonte:
ISI
Lingua:
ENG
Soggetto:
INTERFACIAL-TENSIONS; CONTACT ANGLES; FILM BALANCE; POLYSTYRENE; ADSORPTION; MONOLAYERS; BLENDS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Science Citation Index Expanded
Citazioni:
35
Recensione:
Indirizzi per estratti:
Citazione:
D.Y. Kwok et al., "STUDY ON THE SURFACE TENSIONS OF POLYMER MELTS USING AXISYMMETRICAL DROP SHAPE-ANALYSIS", Polymer engineering and science, 38(5), 1998, pp. 757-764

Abstract

It is shown that Axisymmetric Drop Shape Analysis (ADSA) is well-suited for the study of polymer melt surface tensions. The technique is not restricted to equilibrium surface (interfacial) tensions; it is alsosuitable for measuring the time dependence (or kinetics) of surface tension of polymer melts. Results for three polymers, polypropylene, polyethylene, and polystyrene, at temperatures above 170 degrees C are reported. Contrary to the well-known decrease of surface tension in lowmolecular weight surfactant solutions as a result of equilibration, an increase in the melt surface tension is observed under isothermal conditions.

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Documento generato il 29/09/20 alle ore 07:39:50