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Home  >  Journal list  >  Polymer Journal  >  Vol.32  No.4 (2000)  >  pp.330-333

Polymer Journal
<<Previous article Vol.32  No.4 (2000)   pp.330 - 333 Next article>>

Photodegradable Toners for Electrophotography II. Accelerated Photodegradation of Matrix Resin by Deep Ultraviolet-Exposure at an Elevated Temperature

Kazuyuki SUGITA1), Tomohisa ISHIZAWA1), Hiromi TATENO1), Masahito KUSHIDA1), Kieko HARADA1), Kyoichi SAITO1), Nobutsune NAMATAME2) and Noboru MOGI2)
1) Department of Materials Technology, Chiba University, Yayoi-cho, Inage-ku, Chiba 263-8522, Japan
2) Plastic Colorants and E.I.Materials Division, Toyo Ink Mfg. Co. Ltd., Aza-Matsumine, Ooaza-Nakafuku, Kawagoe-shi, Saitama 356-1156, Japan


ABSTRACT:  Phenyl isopropenyl ketone was terpolymerized with styrene and n-butyl acrylate. Clear 400 nm thick layers of the terpolymer on glass plates were found to be removed by brushing-off after deep ultraviolet (DUV) exposure for 3-5 min at room temperature or for 1 min at 80-115°C. 1.6 μm thick polymer layers were removed by 3 times of repeated cycles of 3 min DUV-exposure at 100-150°C and brushing-off. The polymer layer irradiated under some conditions could not be detached from the substrate, and crosslinking in parallel with degradation was found to take place during DUV irradiation.


Keyword:
Phenyl Isopropenyl Ketone Terpolymer/ Clear Polymer Layer/ High Sensitivity/ Deep Ultraviolet/ Several-Minute Exposure/ Benzoyl Group Removal/ Main Chain Scission/ Molecular Weight Decrease/ Crosslinking/ Brushing-Off

Published online: June 29, 2001
© Copyright, 2000 by The Society of Polymer Science, Japan

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