1 0 0 0 OA 羽毛の酵素処理及び木質繊維の軽度の補強による羽毛樹脂の物性変化
- 著者
- 河原 豊 栗原 夏実 大野 岳輝 渡部 邦彦 田中 俊一 山本 真揮 脇坂 博之
- 出版者
- 一般社団法人 繊維学会
- 雑誌
- Journal of Fiber Science and Technology (ISSN:21897654)
- 巻号頁・発行日
- vol.78, no.7, pp.114-120, 2022 (Released:2022-07-22)
- 参考文献数
- 17
The waste chicken feathers were treated with the enzymes (dissociating disulfide bonds) produced by thermophilic Meiothermus ruber H328, and then the treated feathers were milled and subjected to the hot-press compression molding. It was found that the recrystallization of the feather keratin was interfered with to some extent due to the lack of S-S bonds. On the other hand, the slight reinforcement of the feather resin with the wood fibers was effective to enhance the tensile behavior and the thermal stability of the feather resin.
1 0 0 0 OA 竹からの活性炭の製造および含有カリウムによる賦活工程への影響
- 著者
- 脇坂 博之 三宅 肇 河原 豊
- 出版者
- THE CARBON SOCIETY OF JAPAN
- 雑誌
- 炭素 (ISSN:03715345)
- 巻号頁・発行日
- vol.2006, no.224, pp.272-275, 2006-09-01 (Released:2010-06-28)
- 参考文献数
- 19
- 被引用文献数
- 3 6
Microporous carbons were produced by carbonizing and activating bamboo (phyllostachys heterocycla). Carbon dioxide was used as an activating agent. Also the activated carbons were produced using bamboo carbons with less potassium fractions. The potassium fractions are mainly distributing in the middle lamella that connects the adjacent cell walls of bamboo. The micropore distribution became sharper for the carbon produced using bamboo carbon with smaller potassium fractions and controlling the yield of activated carbon no less than 70%. It seems that potassium fractions in the middle lamella will accelerate the activation reaction, and then the micropore distribution tends to be broader when the activation reaction reaches the middle lamella.