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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.

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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