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Titolo:
Brittle-tough transition in PP/EPDM blends: effects of interparticle distance and tensile deformation speed
Autore:
Jiang, W; Tjong, SC; Li, RKY;
Indirizzi:
City Univ Hong Kong, Dept Phys & Mat Sci, Hong Kong, Peoples R China City Univ Hong Kong Hong Kong Peoples R China ong Kong, Peoples R China Chinese Acad Sci, Changchun Inst Appl Chem, Polymer Phys Lab, Changchun 130022, Peoples R China Chinese Acad Sci Changchun Peoples R China 130022 30022, Peoples R China
Titolo Testata:
POLYMER
fascicolo: 9, volume: 41, anno: 2000,
pagine: 3479 - 3482
SICI:
0032-3861(200004)41:9<3479:BTIPBE>2.0.ZU;2-I
Fonte:
ISI
Lingua:
ENG
Soggetto:
NYLON-RUBBER BLENDS; POLYMER BLENDS; DUCTILE TRANSITION; IMPACT BEHAVIOR; PARTICLE-SIZE; NYLON-6/RUBBER BLENDS; MOLECULAR-WEIGHT; MORPHOLOGY; TEMPERATURE; POLYPROPYLENE;
Keywords:
PP/EPDM blend; toughness; brittle-tough transition;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
24
Recensione:
Indirizzi per estratti:
Indirizzo: Tjong, SC City Univ Hong Kong, Dept Phys & Mat Sci, Tat Chee Ave, Hong Kong, PeoplesR China City Univ Hong Kong Tat Chee Ave Hong Kong Peoples R China ina
Citazione:
W. Jiang et al., "Brittle-tough transition in PP/EPDM blends: effects of interparticle distance and tensile deformation speed", POLYMER, 41(9), 2000, pp. 3479-3482

Abstract

The toughness of polypropylene (PP)/ethylene-propylene-diene monomer rubber (EPDM) blends containing various EPDM contents as a function of the tensile speed was studied. The toughness of the blends was determined from the tensile fracture energy of the side-edge notched samples. A sharp brittle-tough transition was observed in the fracture energy versus interparticle distance (ID) curves when the crosshead speed < 102.4 mm/min. It was observed that the brittle-ductile transition of PP/EPDM blend occurred either by reducing ID or by decreasing the tensile speed. The correlation between the critical interparticle distance and tensile deformation rate was compared with that between the critical interparticle distance and temperature for PP/EPDM blends. (C) 2000 Elsevier Science Ltd. All rights reserved.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 22/01/20 alle ore 12:57:29