| 摘要 |
A pullulan copolymer obtained by reacting with a polymerizable olefinic compound a pullulan ester which is produced by reacting pullulan with an unsaturated acid to introduce a double bond of carbon thereinto. It is highly hydrophilic and is a material having a high affinity for a living body and which is, therefore, useful for making contact lenses, intraocular lenses, artificial bones and blood vessels, etc.
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