期刊
EUROPEAN POLYMER JOURNAL
卷 41, 期 6, 页码 1333-1341出版社
PERGAMON-ELSEVIER SCIENCE LTD
DOI: 10.1016/j.eurpolymj.2005.01.005
关键词
phase separation; unsaturated polyester resin; low profile additive; spinodal decomposition; small angle X-ray scattering
Phase separation induced by crosslinking was studied by time-resolved small angle X-ray scattering in thermoset blend based on unsaturated polyester, styrene and low molar weight saturated polyester as low profile additive. The scattering intensities were analyzed using the Cahn-Hilliard-Cook theory. Combining DSC and DMA experiments allowed us to conclude that phase separation proceeded via spinodal decomposition frozen in the early stage. Apparent diffusion coefficients D-app were estimated. (c) 2005 Elsevier Ltd. All rights reserved.
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