Paper Title:
Degradation Depth Measurement of Polycarbonate Used by Castfilm Method
  Abstract

The effect of hydrolysis of polycarbonate on tensile behavior were investigated. The specimens were exposed in a chamber at constant room temperature and water for 300 hours, and measurements were made on the variation of weight and tensile properties. In addition, the increase and decrease of the carbonate part was measured with an ultraviolet spectroscopy. The results are as follows: It was confirmed that it was effective to the examination of the influence of the diffusion of water with an overlay castfilm. It has been understood to the diffusion of water from the surface layer has diffused at the same time by about 6μm, and it has diffused gradually when it is deeper than 6μm. The change in the tensile behavior by the hydrolysis was able to be confirmed by observing the carbonate part of the polycarbonate. It became clear, the break strain has decreased because the carbonate part is taken apart by the hydrolysis. Afterwards, the break strain steadies by constructing a bridge, and the yield stress increases.

  Info
Periodical
Key Engineering Materials (Volumes 321-323)
Edited by
Seung-Seok Lee, Joon Hyun Lee, Ik Keun Park, Sung-Jin Song, Man Yong Choi
Pages
729-732
DOI
10.4028/www.scientific.net/KEM.321-323.729
Citation
T. Nemoto, H. Matsuura, M. Nakano, A. Shimamoto, "Degradation Depth Measurement of Polycarbonate Used by Castfilm Method", Key Engineering Materials, Vols. 321-323, pp. 729-732, 2006
Online since
October 2006
Export
Price
$32.00
Share

In order to see related information, you need to Login.

In order to see related information, you need to Login.

Authors: Yu Dong Fu, Gang Wang, Chen Liu, Qing Fen Li
Abstract:In the present paper, the non-equilibrium grain-boundary segregation of P atom was studied in low alloy steels subjected to a low tensile...
396
Authors: I. Foroutan, Arash Rezaei, Ali Shokuhfar
Abstract:Surface alloying is a new method of surface treatment by which an element is diffused into the surface of another element causing the...
531
Authors: D. Schlehuber, Egbert Wessel, Lorenz Singheiser, T. Markus
Abstract:One possibility to run a zero CO2-emission power plant is the oxyfuel combustion process. An efficient technology to separate oxygen from air...
551
Authors: Wakako Araki, Yoshio Arai
Abstract:The oxygen diffusion in 4, 8, and 14 mol%-yttria-stabilized zirconia subjected to uniaxial stresses in the [100], [110], and [111] directions...
989
Authors: Feng Tang, Jin Yong Xu, Yan Tang, Cheng Gao, Peng Gao, Bo Gao, Wei Heng Mo, Yuan Ming Li
Chapter 2: Surface Engineering/Coatings
Abstract:The Cu-Ce infiltration layer was formed on 304 Stainless Steel surface by double glow plasma surface metallurgy technology. The effects of...
298