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Titolo:
RELAXATION IN SEMIINTERPENETRATING POLYMERS NETWORK OF LINEAR POLYURETHANE AND HETEROCYCLIC POLYMER NETWORKS
Autore:
BARTOLOTTA A; DIMARCO G; CARINI G; DANGELO G; TRIPODO G; FEINLEIB A; PRIVALKO VP;
Indirizzi:
CNR,IST TECN SPETTROSCOP,CONTRADA PAPARDO,SALITA SPERONE 31 I-98166 MESSINA ITALY CNR,IST TECN SPETTROSCOP I-98166 MESSINA ITALY UNIV MESSINA,INFM I-98166 MESSINA ITALY UNIV MESSINA,DIPARTIMENTO FIS I-98166 MESSINA ITALY NATL ACAD SCI UKRAINE,INST MACROMOL CHEM UA-253160 KIEV UKRAINE
Titolo Testata:
Journal of non-crystalline solids
, volume: 235, anno: 1998,
pagine: 600 - 604
SICI:
0022-3093(1998)235:<600:RISPNO>2.0.ZU;2-G
Fonte:
ISI
Lingua:
ENG
Soggetto:
THERMODYNAMIC CHARACTERIZATION; MOLECULAR MOBILITY; ELECTROLYTES; CATION;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
11
Recensione:
Indirizzi per estratti:
Citazione:
A. Bartolotta et al., "RELAXATION IN SEMIINTERPENETRATING POLYMERS NETWORK OF LINEAR POLYURETHANE AND HETEROCYCLIC POLYMER NETWORKS", Journal of non-crystalline solids, 235, 1998, pp. 600-604

Abstract

New semi-interpenetrating polymers (semi-IPN) of linear polyurethane (PU) and heterocyclic polymer networks prepared by trimerized dicyanate of Bisphenol-A (TDCE) have been analyzed by dynamic mechanical spectroscopy (DMS) in the 130-550 K temperature and 0.3-30 Hz frequency ranges. Single mechanical alpha(beta)-relaxations suggest a large-scale homogeneity ascribed to the affinity between TDCE and PU. Below the glass transition temperature, the interpenetration affects the local molecular motions as a consequence of modifications in the mutual local environments of pure components. (C) 1998 Elsevier Science B.V. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 25/11/20 alle ore 10:04:07