Using self-consistent ยฎeld calculations, we investigate the interactions between two closelyspaced surfaces and the surrounding polymer melt. Short surfactants are terminally anchored to each of the surfaces. The coated substrates model organically-modiยฎed clay crystallites (sheets). Holding the pol
The effects of surfactants on the miscibility of polymers
โ Scribed by Z. Funke; L. Starke
- Publisher
- John Wiley and Sons
- Year
- 1992
- Tongue
- English
- Weight
- 845 KB
- Volume
- 43
- Category
- Article
- ISSN
- 0323-7648
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โฆ Synopsis
Abstract
The surface tension of molten LDPE can be determined with the help of the pendent drop method, depending on the temperature and on the surfactant added. The critical micelle concentration was reached on addition of 1% of the surfactant. A fourโcomponent mixture consisting of HDPE, LDPE, PVC, and PS, whose composition corresponded to that of collected waste plastics, was used to study the effects of the addition of surfactants on the applicational properties.
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The development of lamellar morphology in poly(oxymethylene) (POM) and its miscible blends was studied by synchrotron time-resolved small-angle X-ray scattering (SAXS), during primary and secondary crystallization at temperatures near 150ยฐC. The blends contained two different diluents: poly(vinyl 4-