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Supercritical [CO.sub.2] as an exfoliating aid for nanocomposite preparation: comparison of different processing methodologies.(Report): An article from: Polymer Engineering and Science
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Book Details
Publisher
Society of Plastics Engineers, Inc.
ISBN / ASIN
B009VT8CNS
ISBN-13
978B009VT8CN9
Marketplace
India 🇮🇳
Description
This digital document is an article from Polymer Engineering and Science, published by Society of Plastics Engineers, Inc. on October 1, 2012. The length of the article is 8822 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available immediately after purchase. You can view it with any web browser.
From the author: This article examines several new methods for compounding nanocomposite materials by twin screw extrusion that use supercritical [CO.sub.2] as a processing aid to produce more highly exfoliated polyolefin-layered silicate nanocomposites than conventional melt intercalation. These methods varied the manner in which the plasticizing behavior of [CO.sub.2] influences the surfactant of an organoclay, the compatibilizer, and the matrix during preparation of a polyolefin nanocomposite. The results have shown that targeting [CO.sub.2] to the organoclay-compatibilizer interface can improve the extent of intercalation. However, reduced performance was observed when [CO.sub.2] was introduced predominantly to the matrix or neat organoclay. In general, the different techniques of addition for [CO.sub.2] did bring about greater structural changes to the organoclay, but the stiffness of the resulting materials was lower than simply following a conventional melt intercalation approach. POLYM. ENG. SCI., 52:2049-2062, 2012. [c] 2012 Society of Plastics Engineers
Citation Details
Title: Supercritical [CO.sub.2] as an exfoliating aid for nanocomposite preparation: comparison of different processing methodologies.(Report)
Author: M.R. Thompson
Publication:Polymer Engineering and Science (Magazine/Journal)
Date: October 1, 2012
Publisher: Society of Plastics Engineers, Inc.
Volume: 52 Issue: 10 Page: 2049(14)
Article Type: Report
Distributed by Gale, a part of Cengage Learning
From the author: This article examines several new methods for compounding nanocomposite materials by twin screw extrusion that use supercritical [CO.sub.2] as a processing aid to produce more highly exfoliated polyolefin-layered silicate nanocomposites than conventional melt intercalation. These methods varied the manner in which the plasticizing behavior of [CO.sub.2] influences the surfactant of an organoclay, the compatibilizer, and the matrix during preparation of a polyolefin nanocomposite. The results have shown that targeting [CO.sub.2] to the organoclay-compatibilizer interface can improve the extent of intercalation. However, reduced performance was observed when [CO.sub.2] was introduced predominantly to the matrix or neat organoclay. In general, the different techniques of addition for [CO.sub.2] did bring about greater structural changes to the organoclay, but the stiffness of the resulting materials was lower than simply following a conventional melt intercalation approach. POLYM. ENG. SCI., 52:2049-2062, 2012. [c] 2012 Society of Plastics Engineers
Citation Details
Title: Supercritical [CO.sub.2] as an exfoliating aid for nanocomposite preparation: comparison of different processing methodologies.(Report)
Author: M.R. Thompson
Publication:Polymer Engineering and Science (Magazine/Journal)
Date: October 1, 2012
Publisher: Society of Plastics Engineers, Inc.
Volume: 52 Issue: 10 Page: 2049(14)
Article Type: Report
Distributed by Gale, a part of Cengage Learning
