著者

小松 未来 西岡 文夫 齊藤 昌子

出版者

文化財保存修復学会

雑誌

文化財保存修復学会誌 (ISSN:13420240)

巻号頁・発行日

vol.49, pp.25-40,図巻頭1p, 2005

被引用文献数

3

著者

塩原 みゆき 齊藤 昌子 佐々木 政子 竹下 秀

出版者

社団法人 繊維学会

雑誌

繊維学会誌 (ISSN:00379875)

巻号頁・発行日

vol.65, no.9, pp.229-235, 2009-09-10 (Released:2009-10-10)

被引用文献数

1 1

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The ultraviolet radiation (UV) protection efficiency of apparel dyed fabrics of cotton and polyester were evaluated by UPF (UV-B protection index) and APE (UV-A protection index) to investigate the effects of hue and lightness of the fabrics. UV transmittance of fabrics changed along with the thickness of the fabrics. The characteristic spectral transmittance of dyes appeared on the dyed taffeta (thickness: 0.1 mm), but on the dyed fabrics thicker than kanakin (thickness: 0.3 mm) they were less than 10% in all UV region. White fabrics having not enough UV protection efficiency increased their UPF and APE by dyeing and showed good protection efficiency. If the L* values of dyed fabrics were same, UPF is higher in the order of yellow, red, blue and black color. The required conditions for taffeta, thinnest fabric in this research to have enough UV protection efficiency are as follows: L* values of cellulose should be less than 25 regardless of their hue, L* values of polyester should be less than 86 in yellow, less than 67 in red and blue, less than 60 in black color, and addition to those transmittance at 370 nm should be less than 10%.

著者

北島 恭代 齊藤 昌子

出版者

一般社団法人 日本繊維製品消費科学会

雑誌

繊維製品消費科学 (ISSN:00372072)

巻号頁・発行日

vol.59, no.10, pp.784-793, 2018-10-25 (Released:2018-10-25)

参考文献数

16

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染織文化財を修復する際には,劣化,損傷した部分に別の布を当てて行われることが多く,修復される布と修復に用いる布の適合性が修復の出来映えを左右し,更に染織品のその後の寿命を左右する重要な要因となる.現在,補修布の選択は,修復を行う人が触感や経験から判断して行っており,客観的なデータに基づいた選択は行われていない. 本研究は被修復布と補修布の適合性を布の剛軟度の点から明らかにすることを目的とし,その第一段階として,染織文化財に使用されている布の剛軟度測定法(立ち曲げ法)を考案し,江戸時代以降の染織品に使用された絹布と染織文化財の修復に使用された絹布127 種の剛軟性を測定した.得られたデータをJIS L 1096 のハートループ法の結果と比較し,立ち曲げ法から得られたデータの有効性を確認した. 立ち曲げ法で測定した結果から,江戸時代の小袖裂と明治時代以降の着物裂,および修復用絹布の諸特性(厚さ,平面重,織密度,織組織)と剛軟性を定量的に明らかにした.その結果から江戸時代の小袖裂は,明治時代以降の着物裂に比べ薄地で軽く,軟らかい傾向にあることが分かった.

著者

塩原 みゆき 齊藤 昌子 Miyuki Shiobara Masako Saito

雑誌

共立女子大学家政学部紀要

巻号頁・発行日

vol.57, pp.23-29, 2011-01

著者

齊藤 昌子

雑誌

共立女子大学・共立女子短期大学総合文化研究所紀要 = Bulletin of center for interdisciplinary studies of science and culture Kyoritsu Women's University & Junior College

巻号頁・発行日

vol.19, no.3, pp.1-3, 2013-02

著者

齊藤 昌子 中村 弥生 森山 厳與 河本 康太郎

出版者

一般社団法人 照明学会

雑誌

照明学会誌 (ISSN:00192341)

巻号頁・発行日

vol.98, no.11, pp.585-592, 2014-11-01 (Released:2015-02-02)

参考文献数

9

被引用文献数

1

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To evaluate the performance of white LEDs as museum lighting, the authors have conducted research and reported on the effect of illuminance level and color temperature on textiles dyed with natural dyes. In this research, four additional white LEDs with various correlated color temperatures and different material constructions and three types of conventional fluorescent lamp were tested yellow textiles that were sensitive to light and ranked in the highly responsive category of the CIE Technical Report (CIE-157-2004) for blue and red dyes. The color degradation degree caused by white LEDs was almost larger than that caused by conventional NU fluorescent lamp. Among the white LEDs, the degradation degree was LED/D (7483K) > LED/UV+RGB (5265K) > LED/B+YAG (5098K) > LED/L (3633K). For the same illuminance level when the content of the 400-500 nm radiation became larger, the degradation degree became larger. When the correlated color temperature was the same, the degradation degree was larger with LED/UV+RGB than with LED/B+YAG. The acceleration degree of degradation differed depending on the LED construction (combination of LED chip and fluorescent material) . From these results, it can be determined that for introducing white LEDs to museum lighting, not only the annual maximum exposure but also the material construction (combination of LED chip and phosphor) should be considered.

著者

菊池 裕子 齊藤 昌子 柏木 希介

出版者

The Japan Society of Home Economics

雑誌

日本家政学会誌 (ISSN:09135227)

巻号頁・発行日

vol.38, no.1, pp.33-38, 1987-01-20 (Released:2010-03-10)

参考文献数

10

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Photo-deterioration of natural fibers (silk and cotton) at the early stage was surveyed with regard to the changes of physical properties and chemical structure of the fibers.Photo-deterioration at the initial stage brought about yellowing and lowering of elongation and strength for both fibers. The changes in elongation and strength of silk induced by UV light, xenon lamp, and sun light showed that the steep decrease occurred at the early stage, followed by the gradual decrease in both strength and elongation, the latter being more remarkable than the former. However, for cotton, the decrease in strength was more pronounced than that in elongation and both changes were smaller as compared with silk. Furthermore the changes in elongation and strength of cotton were simply proportional to exposure time.Regarding the changes in chemical structure, the formation of carbonyl groups by oxidation of cotton fibers was confirmed by copper number measurement. With silk the decrease of tyrosine and tryptophane was found and related to yellowing phenomena.