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Journal of the Korean Chemical Society (JKCS)

ISSN 1017-2548(Print)
ISSN 2234-8530(Online)
Volume 6, Number 2
JKCSEZ 6(2)
April 20, 1962

Title	Studies on the Light Fastness of Dyeings (Part 1) The State of Direct Dyes in Cellulose(preliminary report 염색물의 일광에 대한 견뢰성에 관한 연구 (제1보) 직접염료로 염색된 섬유소 섬유내에 있어서의 염료의 존재상태 (예보)
Author	Wan Shik Ha 하완식
Keywords
Abstract	It is though that the adsorption isotherms in dying of cellulose by the direct cotton dyes are consisted of combined type of Langmuir and Freundlich as the opinion of Fujino, et al; [D]F = ab[D]s/(1 + b[D]s) + k[D]s where, a, b, k; constants, [D]F; dye adsorption on the fiber, [D]s; dye concentration in the bath. This means that the dyes adsorbed in cellolose present in the state of partly mono molecular and partly aggregate; the characteristic fading order curve will be expressed as the combined system of uniform particle size distribution and assumed that the slope of the theoritical models of Baxter, et al., and assumed that the slope of curve will be changed near the point of a, the saturation value of Langmuir isotherms in the above equation. Firstly, the theoretical fading rate curve was treated with small colour difference as the one step of experimental of above consideration.
Page	104 - 107
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