著者
稲垣 訓宏 河合 秀司
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.40, no.9, pp.T337-T343, 1984
被引用文献数
6

テトラフルオロメタン,パーフル君ロメチルシクロヘキサン,およびパーフルオロトルエンとアンモニアガス混合系のグロー放電重合を行ない,生成物を元素分析, IRおよびESCAスペクトルより検討し,さらに,生成ポリマーの物性について若干の検討を加えた。<br>上記フルオロカーボンのグロー放電重合は,アンモニアガスの混合によって促進される。アンモニアガスの混合によってF成分が脱離し, N成分は主にアミドとしてポリマー中に導入される。これに伴なって表面は疎水性から親水性へと変化する。生成したフィルムのガス透過性は混合したアンモニア濃度に影響を受ける。窒素ガスに対する酸素ガスの透過係数比は2以上となる。
著者
松本 道子 石川 彰彦
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.68, no.8, pp.229-232, 2012 (Released:2012-10-11)

Kusakizome is a collective term of Japanese traditional dyeing technologies using naturally-occuring pigments. For green dyeing of a cloth in Kusakizome , two methods have been mainly utilized : (1) the combination of indigo blue and yellowish flavonoids, and (2) chlorophyl green coupled with a copper salt as a color fixative. We have demonstrated useful methods for green dyeing which features the use of anthocyanin blue with alum mordant under the weak basic condition coordinating with natural yellow pigments. Various anthocyanin-containing plants or flowers could be utilized for the green dyeing and the operative simplicity is highly attractive. Some factors for solidity of the green cloth in the method were also evaluated.
著者
西田 幸次 平林 哲雄 田中 健太郎 森田 秀幸 松葉 豪 金谷 利治
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.71, no.10, pp.297-301, 2015-10-10 (Released:2015-10-10)
被引用文献数
4

Methylcellulose attains the water‐solubility by reducing the strong hydrogen‐bonding. The reduction of the hydrogen bonding is achieved by partially substituting hydrophobic methoxy group for hydroxy group in cellulose. However, the substitution gives double‐bladed property to the aqueous methylcellulose, namely, excessive substitution makes again methylcellulose insoluble in water. Therefore, the water‐solubility of methylcellulose is strongly affected by the degree of substitution and moreover the distribution of the substituents. In this study, however, for a commercially available methylcellulose we have modified the cloud point by the addition of various organic salts. Sodium styrene sulfonate (NaSS) showed a strong salting‐in effect, whereas the polymeric NaSS, i.e., sodium polystyrene sulfonate (NaPSS), showed oppositely a salting‐out effect.
著者
羽賀 敏雄 有内 則子
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.8, pp.223-228, 2009 (Released:2009-09-15)

Awa Shijira fabric is a crepe cotton fabric made of cotton that is woven alternating the plain and the rib texture in the weft direction. Both the warp and weft yarns are usually sized with starch, before weaving. In the course of desizing process the fantastic crepe texture is formed due to the shrinkage of yarns especially in the weft direction. Thus, the geometrical roughness for the fabric desized tends to become obvious in the weft direction. The mechanical and surface properties for four kinds of traditional Awa Shijira fabrics were investigated comparing those for the plain cotton fabric. The roughness property measured based on KES has become marked in the weft direction for the fabrics having smaller values of the shear properties in the weft direction. Also, Shijira fabrics used in this study have shown higher frictional, bending and compression properties. Moreover, there observed no remarkable differences in the mechanical properties between nationally guaranteed traditional Shijira fabric and the one guaranteed by Tokushima prefecture.
著者
江頭 満 小林 幹彦 今野 武志
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.6, pp.156-160, 2009 (Released:2009-08-12)

Electrospinning was carried out in an insulating liquid, Fluorinert FC-40 (Sumitomo 3M Ltd.), to judge whether "wet electrospinning" is practicable or not. Chloroform, N,N-dimethylformamide, and their mixture of 1 to 1 are used as a solvent of polystyrene. Among the three solvents of spinning solutions, only chloroform was fit for wet electrospinning in Fluorinert FC-40. Effect of polystyrene concentration was investigated using spinning solutions of chloroform solvent. Polystyrene particles and fibers were formed from the solutions of 5 to 15wt% polystyrene spinning solutions. From 20wt% solution, only fibers with many beads were formed, and from 25wt% solutions only fibers without beads were formed. The diameters of fibers formed were increasing with an increase in the concentration. The diameter was about 10um and 50um for fibers from 20wt% and 25wt% solutions, respectively. It is concluded that wet electrospinning is practicable. However, improvement of apparatus and process will be necessary to produce non-woven fabric of nanofibers.
著者
木村 光雄
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.60, no.11, pp.P_519-P_523, 2004 (Released:2005-12-15)