Title:
増粘剤、組成物及びシート
Document Type and Number:
Japanese Patent JP7006375
Kind Code:
B2
Abstract:
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 x 4 cm in width x 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/m2and 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.
Inventors:
Hayao Fushimi
Rina Tanaka
Rina Tanaka
Application Number:
JP2018033359A
Publication Date:
February 10, 2022
Filing Date:
February 27, 2018
Export Citation:
Assignee:
Oji Holdings Co., Ltd.
International Classes:
C09K3/00; C08B1/00; C08B5/00
Domestic Patent References:
| JP2015183095A | ||||
| JP2015221844A | ||||
| JP2017066273A | ||||
| JP2012214717A | ||||
| JP7138875A | ||||
| JP2015189698A | ||||
| JP2016014098A | ||||
| JP2015510438A |
Foreign References:
| WO2016186055A1 |
Attorney, Agent or Firm:
Patent Service Corporation Patent Office Sykes