DOI: 10.1002/macp.1980.021810810. Untersuchungen zur thermodynamik und konformation von makromolekülen in polymermischungen in der nähe von entmischungspunkten durch neutronenbeugung

Untersuchungen zur thermodynamik und konformation von makromolekülen in polymermischungen in der nähe von entmischungspunkten durch neutronenbeugung

10.1002/macp.1980.021810810

Crossref journal-article

Wiley

Die Makromolekulare Chemie (311)

Abstract

AbstractThe structure and the thermodynamics of polymer blends made from two poly(styrene/acrylonitrile) copolymers with a different ratio of styrene/acrylonitrile are investigated by neutron scattering. These systems are endothermic, exhibit a positive value for the Huggins parameter χ and show phase separation at sufficiently large molecular weights. The results are in good agreement with the corresponding states theory of Prigogine and Patterson. Other polymer blends are exothermic, exhibit negative χ‐values and are compatible even for infinitely large molecular weights. In these cases one can adapt the theoretical equations to the experiments by the introduction of a suitable parameter for an exothermic contact energy. This is shown for blends from poly(methyl methacrylate) and poly(styrene/acrylonitrile).

Bibliography

Schmitt, B. J., Kirste, R. G., & JeleniÄ, J. (1980). Untersuchungen zur thermodynamik und konformation von makromolekÃ¼len in polymermischungen in der nÃ¤he von entmischungspunkten durch neutronenbeugung. Die Makromolekulare Chemie, 181(8), 1655â1672. Portico.

Authors 3

Burghard J. Schmitt (first)
Rudolf G. Kirste (additional)
Jernej Jelenič (additional)

References 27 Referenced 60

10.1063/1.1747239
{'key': 'e_1_2_1_2_2', 'first-page': '16', 'volume-title': 'The Molecular Theory of Solutions', 'author': 'Prigogine I.', 'year': '1957'} / The Molecular Theory of Solutions by Prigogine I. (1957)
10.1002/macp.1976.021770415
10.1021/ma60064a015
10.1098/rspa.1944.0033
{'key': 'e_1_2_1_6_2', 'volume-title': 'Regular and Related Solutions', 'author': 'Hildebrand J. H.', 'year': '1970'} / Regular and Related Solutions by Hildebrand J. H. (1970)
10.1021/ma60035a024
10.1039/df9704900007
10.1107/S0021889874008880
10.1063/1.1724022
10.1002/macp.1970.021370122
{'key': 'e_1_2_1_12_2', 'first-page': '76', 'volume': '42', 'author': 'Hoy K. L.', 'year': '1970', 'journal-title': 'J. Paint Technol.'} / J. Paint Technol. by Hoy K. L. (1970)
{'key': 'e_1_2_1_13_2', 'volume-title': 'Polymer Handbook', 'author': 'Wunderlich W.', 'year': '1975'} / Polymer Handbook by Wunderlich W. (1975)
10.1002/ange.19790910406
10.1063/1.1746738
10.1088/0034-4885/39/10/001
10.1002/macp.1978.021791112
10.1007/3-540-05838-9_11
{'key': 'e_1_2_1_19_2', 'first-page': '841', 'volume': '57', 'author': 'Schulz G. V.', 'year': '1953', 'journal-title': 'Z. Elektrochem.'} / Z. Elektrochem. by Schulz G. V. (1953)
10.1524/zpch.1955.3.1_2.065
{'key': 'e_1_2_1_21_2', 'first-page': '301', 'volume': '63', 'author': 'Schulz G. V.', 'year': '1959', 'journal-title': 'Z. Elektrochem.'} / Z. Elektrochem. by Schulz G. V. (1959)
10.1524/zpch.1961.30.3_4.171
10.1021/ma60019a008
10.1002/pol.1972.160100506
10.1002/pol.1965.110031207
10.1021/ma60048a024
10.1002/macp.1979.021800825

Dates

Type	When
Created	22 years, 4 months ago (April 15, 2003, 7:35 p.m.)
Deposited	1 year, 9 months ago (Nov. 13, 2023, 12:03 p.m.)
Indexed	4 days, 3 hours ago (Sept. 3, 2025, 7:17 a.m.)
Issued	45 years, 1 month ago (Aug. 1, 1980)
Published	45 years, 1 month ago (Aug. 1, 1980)
Published Online	22 years, 5 months ago (March 12, 2003)
Published Print	45 years, 1 month ago (Aug. 1, 1980)

Funders 0

None

BibTeX

@article{Schmitt_1980, title={Untersuchungen zur thermodynamik und konformation von makromolekülen in polymermischungen in der nähe von entmischungspunkten durch neutronenbeugung}, volume={181}, ISSN={0025-116X}, url={http://dx.doi.org/10.1002/macp.1980.021810810}, DOI={10.1002/macp.1980.021810810}, number={8}, journal={Die Makromolekulare Chemie}, publisher={Wiley}, author={Schmitt, Burghard J. and Kirste, Rudolf G. and Jelenič, Jernej}, year={1980}, month=aug, pages={1655–1672} }

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