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Titolo:
Network formation without vitrification limitation: Ring-opening polymerization of sulfonium zwitterion monomers
Autore:
Hill, LW; Rondan, N; Schmidt, D;
Indirizzi:
Dow Chem Co, Midland, MI 48674 USA Dow Chem Co Midland MI USA 48674Dow Chem Co, Midland, MI 48674 USA
Titolo Testata:
MACROMOLECULES
fascicolo: 3, volume: 34, anno: 2001,
pagine: 372 - 375
SICI:
0024-9297(20010130)34:3<372:NFWVLR>2.0.ZU;2-A
Fonte:
ISI
Lingua:
ENG
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Physical, Chemical & Earth Sciences
Citazioni:
16
Recensione:
Indirizzi per estratti:
Indirizzo: Hill, LW 9 Bellows Rd, Wilbraham, MA 01095 USA 9 Bellows Rd Wilbraham MA USA 01095 Rd, Wilbraham, MA 01095 USA
Citazione:
L.W. Hill et al., "Network formation without vitrification limitation: Ring-opening polymerization of sulfonium zwitterion monomers", MACROMOLEC, 34(3), 2001, pp. 372-375

Abstract

Thermal cure of zwitterion monomers resulted in films having a glass transition temperature, T-g that was 75 degreesC higher than the cure temperature. It was concluded that zwitterion cure is not limited by vitrification. Molecular modeling of the dimer complex indicated a preferred conformation in which reactive groups on adjacent monomer molecules are situated close toeach other. Absence of vitrification limitation is attributed to the possibility of reaction with very little movement. Dynamic mechanical analysis (DMA) was used to determine T-g and to indicate cross-link density.

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Documento generato il 02/04/20 alle ore 02:53:57