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Titolo:
COIL-TO-GLOBULE TRANSITIONS OF INTERFACIAL COPOLYMERS IN BETTER THAN THETA-SOLVENTS
Autore:
TURNER K; ZHU PW; NAPPER DH;
Indirizzi:
UNIV SYDNEY,SCH CHEM SYDNEY NSW 2006 AUSTRALIA UNIV SYDNEY,SCH CHEM SYDNEY NSW 2006 AUSTRALIA
Titolo Testata:
Colloid and polymer science
fascicolo: 7, volume: 274, anno: 1996,
pagine: 622 - 627
SICI:
0303-402X(1996)274:7<622:CTOICI>2.0.ZU;2-R
Fonte:
ISI
Lingua:
ENG
Soggetto:
POLYMER;
Keywords:
INTERFACIAL COPOLYMERS; COIL-TO-GLOBULE TRANSITIONS; HYDROPHOBICALLY MODIFIED POLY(ACRYLAMIDES); POLY(N-ISOPROPYLACRYLAMIDE); N-CLUSTERS;
Tipo documento:
Article
Natura:
Periodico
Settore Disciplinare:
Science Citation Index Expanded
Citazioni:
13
Recensione:
Indirizzi per estratti:
Citazione:
K. Turner et al., "COIL-TO-GLOBULE TRANSITIONS OF INTERFACIAL COPOLYMERS IN BETTER THAN THETA-SOLVENTS", Colloid and polymer science, 274(7), 1996, pp. 622-627

Abstract

Experimental studies of the coil-to-globule transitions exhibited in better than theta-solvents by interfacial copolymers of N-isopropylacrylamide and acrylamide imply that a lower bound for the value of 'n' in the n-clusters of poly(N-isopropylacrylamide) (PNIPAM) is 3. The corresponding upper bound is therefore likely to be 5 or 6. Statistical copolymers of PNIPAM containing upwards of 0.75 mole fraction of acrylamide (whose homopolymer does not itself display n-clustering) exhibited this transition, which disappeared at higher mole fractions of acrylamide. Interfacial homopolymers of N-ethylacrylamide and its statistical copolymers with N-isopropylacrylamide exhibited n-clustering at allcompositions.

ASDD Area Sistemi Dipartimentali e Documentali, Università di Bologna, Catalogo delle riviste ed altri periodici
Documento generato il 01/12/20 alle ore 16:33:03