繊維学会誌
Online ISSN : 1884-2259
Print ISSN : 0037-9875
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69 巻, 1 号
繊維学会誌
選択された号の論文の10件中1～10を表示しています
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繊維と工業
時評
解説
報告
がんばる若手研究者
連載〈機能紙１〉
連載〈水が語る文化16 〉
報文
一般報文
  • 水熱処理時におけるケナフ繊維からの溶脱成分比較
    南 秀明, 門野 純一郎, 西内 滋典, 杉村 順夫, 河原 豊
    原稿種別: 報文
    専門分野: 一般報文
    2013 年 69 巻 1 号 p. 1-7
    発行日: 2013/01/10
    公開日: 2013/02/09
    DOIhttps://doi.org/10.2115/fiber.69.1
    ジャーナル フリー
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    In order to enhance the utilization of kenaf stems, chemical stabilities against hydrothermal reactions were compared between core parts and bast ribbons. With increasing the treatment temperature, hemicellulose fractions contained in the intercellular matrix regions were preferentially decomposed. This tendency was more markedly observed when the treatments were applied to kenaf core parts. It seems that LCC(Lignin carbohydrate complex)in the intercellular matrix regions are constructed by settling hemicellulose fractions on the backbone of lignin via calcium complex bonding.
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  • 「還元/水洗/酸化」法によるパーマネントウェーブ形成における還元・酸化処理条件の影響
    上甲 恭平, 櫻井 慶子, 森本 由香里
    原稿種別: 報文
    専門分野: 一般報文
    2013 年 69 巻 1 号 p. 8-12
    発行日: 2013/01/10
    公開日: 2013/02/09
    DOIhttps://doi.org/10.2115/fiber.69.8
    ジャーナル フリー
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    The effects of the chemical and mechanical waving treatment conditions on the permanent waving performance of hair tresses waved by a standard waving procedure simulating commercial practice were investigated. The evaluation of the shape of the waved samples was performed in dry state after one day. Comparing the wave performance of 5 minutes reduced hair tress in the ammonium thioglycolate solution with the different concentrations, the number of curl tops increased with increasing the concentration of the thiolate anion, which is the active reducing form on waving. This suggests that the formation of curl is dependent on the protein chain rearrangement of the areas in hair fiber on which RS- initially acts. The higher the initial stress of hair was induced by wrapping on the rod, the greater the protein chains in the reduced area rearranged, which has results in the waved hair with the large number of curls. It was found, in addition, that the protein chain structure change occurred during the neutralizing process may affect the waving performance.
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  • 酸化染毛システムによるケラチン繊維の染色挙動
    — EDTA/アスコルビン酸の作用機構 —
    桑原 里実, 上甲 恭平
    原稿種別: 報文
    専門分野: 一般報文
    2013 年 69 巻 1 号 p. 13-18
    発行日: 2013/01/10
    公開日: 2013/02/09
    DOIhttps://doi.org/10.2115/fiber.69.13
    ジャーナル フリー
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    The effects of ethylenediaminetetraacetic acid(EDTA)and ascorbic acid on the dye uptake of oxidative dyes for wool fibers dyed with the couple system of p-phenilenediamine/p-amino-o-cresol(pPDA/pAOC)and p-amino phenol/p-amino-o-cresol(pAP/pAOC)were investigated. The precursor/coupler dyeing solution with both EDTA and ascorbic acid maintains colorless during the dyeing period, indicating that the oxidative coupling reaction was inhibited by collaborative effects of both EDTA and ascorbic acid. When applied at pH10.0 in both pPDA/pAOC and pAP/pAOC dyeing system included EDTA and ascorbic acid, the amount of adsorbed oxidative dye in both dyeing systems was reduced compared with that when applied in the absence of both EDTA and ascorbic acid, although its effect depends on the concentration of hydrogen peroxide. In addition, when applied at pH8.0 in the presence of EDTA and ascorbic acid, a significantly lower level of adsorbed oxidative dye was produced, especially in the case of pPDA/pAOC dyeing system the uptake of bandrowski's bases that is self coupling dye of pPDA was suppressed. It is concluded that the ability of both additives to inhibit also serves at the interface between the dyeing solution and the fiber surface.
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  • 「還元/水洗/緩和/酸化」法によるパーマネントウェーブ形成における施術処理条件の影響
    上甲 恭平, 櫻井 慶子
    原稿種別: 報文
    専門分野: 一般報文
    2013 年 69 巻 1 号 p. 19-25
    発行日: 2013/01/10
    公開日: 2013/02/09
    DOIhttps://doi.org/10.2115/fiber.69.19
    ジャーナル フリー
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    The effects of the chemical and mechanical treatment conditions on the permanent wave performance of hair tresses treated with a proposed waving procedure modified by the incorporated relaxation process in the conventional waving technique were investigated. The evaluation of the shape of the waved samples was performed in dry state after one day. As compared to the results obtained with the conventional technique, all of the tresses of reduced for 3 and 5 minutes with the appropriate range of pH and concentration in the ammonium thioglycolate(ATG)solution were superior in wave strength and stability with increasing both pH and ATG concentration in reducing solution. This effectiveness is caused by some rearrangement of the protein chains in the stress-supporting phase in the hair and dependent on the proportion of ionized sulfhydril groups(KS-)generated by the cleavage of the disulfide bonds. It was found, in addition, that the effectiveness of relaxation process was also dependent on the degree of initial stress wrapped on the rod. These findings indicate that in the proposed waving procedure modified by the incorporated relaxation process, both concentration of KS- in the reduced area within the hair and degree of the initial bending stress wrapped on the rod are the main factor of the permanent wave formation of human hair. Accordingly the incorporation of relaxation process to the conventional technique brought the shortening of the reducing and neutralizing process at the completion of the permanent waving procedure. The shortened reducing and neutralizing process brought about decrease in the damage caused by the reduction and oxidation reaction, resulting in major benefits as observed by appearance and feel.
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