| 摘要 |
PROBLEM TO BE SOLVED: To provide an ultraviolet-screening material which shows an excellent ultraviolet-screening property even when not blended with an ultraviolet absorber. SOLUTION: This ultraviolet-screening material includes a crystalline polyglycolic acid-based resin, preferably a crystalline polyglycolic acid-based resin with a degree of crystallinity of 20% or more. COPYRIGHT: (C)2011,JPO&INPIT
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