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Titolo:
Fracture behavior-morphology relationships in an unsaturated polyester resin modified with a liquid oligomer
Autore:
De La Caba, K; Guerrero, P; Gavalda, J; Mondragon, I;
Indirizzi:
Univ Pais Vasco, Euskal Herriko Unibertsitatea, Escuela Univ Ingn Tecn Ind, Univ Pais Vasco San Sebastian Spain itatea, Escuela Univ Ingn Tecn Ind, Univ Rovira & Virgili, Fac Quim, Dept Quim, Tarragona 43005, Spain Univ Rovira & Virgili Tarragona Spain 43005 Quim, Tarragona 43005, Spain
Titolo Testata:
JOURNAL OF POLYMER SCIENCE PART B-POLYMER PHYSICS
fascicolo: 14, volume: 37, anno: 1999,
pagine: 1677 - 1685
SICI:
0887-6266(19990715)37:14<1677:FBRIAU>2.0.ZU;2-E
Fonte:
ISI
Lingua:
ENG
Soggetto:
RUBBER-MODIFIED EPOXIES; MECHANICAL-PROPERTIES; PHASE-SEPARATION; GEL POINT; DIAGRAM;
Keywords:
unsaturated polyester resins; liquid modifiers; cure schedule; ultimate properties;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
22
Recensione:
Indirizzi per estratti:
Indirizzo: Mondragon, I Univainis Vasco, Euskal Herriko Unibertsitatea, Escuela Univ Ingn Tecn Ind, Univ Pais Vasco Avda Felipe IV,1 B-20011 San Sebastian Spain
Citazione:
K. De La Caba et al., "Fracture behavior-morphology relationships in an unsaturated polyester resin modified with a liquid oligomer", J POL SC PP, 37(14), 1999, pp. 1677-1685

Abstract

An unsaturated polyester (UP) resin modified with a liquid polymer, polyoxypropylenetriamine (POPTA), at a concentration of 10 wt% has been precured at several temperatures. Phase separation takes place before gelation at all precure temperatures used. The glass-transition region has been analyzed by dynamic mechanical analysis. Mechanical properties have been related to microstructural features. With a precure temperature fixed, the unsaturatedpolyester CUP) resin has also been modified with different contents of POPTA. Fracture toughness of the mixtures has also been analyzed and results are compared to those for the unmodified mixture. (C) 1999 John Wiley & Sons, Inc.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 03/07/20 alle ore 01:42:14