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Brand: The Gale Group Format: HTML Label: Society of Plastics Engineers, Inc. Manufacturer: Society of Plastics Engineers, Inc. Number Of Pages: 12 Publication Date: November 01, 2001 Publisher: Society of Plastics Engineers, Inc. Release Date: July 28, 2005 Studio: Society of Plastics Engineers, Inc. Browse for similar items by category: Click to Display Editorial Review: Product Description: This digital document is an article from Polymer Engineering and Science, published by Society of Plastics Engineers, Inc. on November 1, 2001. The length of the article is 3403 words. The page length shown above is based on a typical 300-word page. The article is delivered in HTML format and is available in your Amazon.com Digital Locker immediately after purchase. You can view it with any web browser. From the author: The nucleation of polyoxymethylene (POM) crystallization using attapulgite was studied using differential scanning calorimetry, polarized light microscopy, wideangle X-ray diffration and mechanical testing. Two isothermal crystallization kinetic equations were employed to describe the crystallization of virgin POM and POM containing attapulgite as a nucleating agent. The addition of attapulgite decreased the spherulitic size of POM, and interfacial free energies per unit area perpendicular to the molecular chain direction [[sigma].sub.e], accelerated the crystallization growth rate and enhanced the impact toughness of POM, but no change occurred for the hexagonal system of POM. The addition of attapulgite up to its saturation concentration in POM increased the number of effective nuclei by three orders of magnitude. A high concentration of attapulgite caused agglomeration of the agent and lowered the number of effective nuclei. Citation Details Title: Crystallization Characteristics of Polyoxymethylene With Attapulgite as Nucleating Agent. Author: Wej-Bing Xu Publication: Polymer Engineering and Science (Refereed) Date: November 1, 2001 Publisher: Society of Plastics Engineers, Inc. Volume: 41 Issue: 11 Page: 1903(10) Distributed by Thomson Gale 
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