THICKENER， COMPOSITION， AND SHEET
收藏国家林业和草原科学数据中心2023-02-12 更新2024-03-07 收录
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资源简介：
It is an object of the present invention to provide a thickener capable of exhibiting excellent light resistance. The present invention relates to a thickener comprising cellulose fibers having a fiber width of 8 nm or less and water， wherein the thickener is a slurry or a gel， and when the thickener is filled in a colorless and transparent glass cell having an inside dimension of 1 cm in depth×4 cm in width×4.5 cm in height and the thickener is then irradiated with ultraviolet rays with a wavelength of 300 nm or more and 400 nm or less， using a xenon lamp， from the side of the maximum area surface of the glass cell， so as to be an irradiance of 180 W/m 2 and an integrated light amount of 500 mJ/m2， the amount of a change in the yellowness before and after ultraviolet irradiation measured in accordance with JIS K 7373 is 10 or less.
提供机构：
国家林业和草原科学数据中心
创建时间：
2023-02-12
