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Titolo:
PHYSICAL AGING STUDIES OF POLYSILOXANE-MODIFIED EPOXY-RESIN
Autore:
SHEN JS; SHAO ZZ; LI SJ;
Indirizzi:
FUDAN UNIV,DEPT MACROMOLEC SCI SHANGHAI 200433 PEOPLES R CHINA FUDAN UNIV,DEPT MACROMOLEC SCI SHANGHAI 200433 PEOPLES R CHINA
Titolo Testata:
Polymer
fascicolo: 18, volume: 36, anno: 1995,
pagine: 3479 - 3483
SICI:
0032-3861(1995)36:18<3479:PASOPE>2.0.ZU;2-V
Fonte:
ISI
Lingua:
ENG
Soggetto:
ENTHALPY RELAXATION; POLYMERS; STRESS;
Keywords:
EPOXY RESIN; PHYSICAL AGING; POLYSILOXANE;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
19
Recensione:
Indirizzi per estratti:
Citazione:
J.S. Shen et al., "PHYSICAL AGING STUDIES OF POLYSILOXANE-MODIFIED EPOXY-RESIN", Polymer, 36(18), 1995, pp. 3479-3483

Abstract

Epoxy network systems were prepared based on diglycidyl ether of bisphenol A with two kinds of low molecular weight polysiloxane, aminopropyldimethyl-terminated polysiloxane and phenyl-terminated polysiloxane. Their physical ageing phenomena were studied by differential scanningcalorimetry. The calorimetric data obtained after annealing the neat and the modified cured epoxy resins at 175 degrees C show that two kinds of relaxation-internal stress relaxation and enthalpy relaxation-take place simultaneously during annealing. Furthermore, the extent and the rate of relaxation are closely related to the kind of modifiers and their ratio.

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Documento generato il 30/09/20 alle ore 11:14:51