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A review of positron annihilation lifetime spectroscopy as applied to the physical aging of polymers.: An article from: Polymer Engineering and Science
	Author: D.M. Bigg Publisher: Society of Plastics Engineers, Inc. Buy New: $5.95 as of 2/10/2012 21:16 MST details In Stock Seller: Amazon.com Format: HTML Language: English (Published) Media: Digital Pages: 19 ASIN: B00096JP3S Publication Date: March 1, 1996 Availability: Available for download now



Editorial Reviews: Product Description This digital document is an article from Polymer Engineering and Science, published by Society of Plastics Engineers, Inc. on March 1, 1996. The length of the article is 5559 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: This paper provides a review of the technology associated with Positron Annihilation Lifetime Spectroscopy (PALS) as applied to polymers. It is not a comprehensive review of the many technical papers published on PALS. Instead it attempts to consolidate the strong theoretical principles upon which the PALS is based, and to correlate those principles with the equally strong theoretical principles associated with the physical aging of polymers. Both sets of principles are centered around the concept of free volume, and there is a strong, useful relationship between the molecular scale measurement technique of PALS and the response of a polymer to physical aging. In essence, the free volume measured by PALS is the same free volume that is affected by physical aging. This relationship, was demonstrated with data, obtained from a variety of sources, on bisphenol A polycarbonate, a polymer in which free volume-mechanical property behavior is readily demonstrated. Citation Details Title: A review of positron annihilation lifetime spectroscopy as applied to the physical aging of polymers. Author: D.M. Bigg Publication: Polymer Engineering and Science (Refereed) Date: March 1, 1996 Publisher: Society of Plastics Engineers, Inc. Volume: v36 Issue: n6 Page: p737(7) Distributed by Thomson Gale

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