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Japanese

Rio-Hard Contact Lens. Part II Sadayoshi Kamiya , Tokihiko Yamamoto 1 , Hidesaburo Hokukoku 2 , Yasuhiko Onishi 2 1Nitten Medical Institute 2Meito Sangyo Ltd., pp.1109-1113
Published Date 1974/10/15
DOI https://doi.org/10.11477/mf.1410205188
  • Abstract
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Three new materials were produced by graft polymerization of hydrophilic compounds and methyl methacrylate (MMA). They were graft copolymer of MMA and (1) microcrystalline cellulose, (2) soluble starch and (3) polyvinylalcohol. These graft copolymers are white po-wder, are stable and insoluble in water or ace-tone. Transparent plate could be produced by heat-press method at 200° and 150 kg/cm2.

The plate was cutted and processed to become contact lenses.


Copyright © 1974, Igaku-Shoin Ltd. All rights reserved.

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電子版ISSN 1882-1308 印刷版ISSN 0370-5579 医学書院

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