Structure and Disorder of Fibrous Substance including Silk and Cellulose

丝和纤维素等纤维物质的结构和紊乱

• 批准号: 62470096
• 负责人: TAKAHASHI Yasuhiro
• 金额: $ 4.16万
• 依托单位: Osaka University
• 依托单位国家: 日本
• 项目类别: Grant-in-Aid for General Scientific Research (B)
• 财政年份: 1987
• 资助国家: 日本
• 起止时间: 1987 至 1988
• 项目状态: 已结题
• 来源: https://kaken.nii.ac.jp/en/grant/KAKENHI-PROJECT-62470096/
• 关键词: X-ray Crystal Structure Analysis; Crystal Structure; Statistical Structure; Disorder; Cellulose; Silk; Konjak Glucomannan; HVJ; Sendai Virus; セルロース; シゾフィラン

1. Crystal structure of native cellulose X-ray crystal structure analysis was carried out by using ramie cellulose. Integrated intensities of 50 independent reflections could be estimated by a drum scanner. The finally obtained structure gives R = 16.9 % in which the up- and down-molecules statistically occupied two crystal sites with almost equal probabilityin a unit cell with parameters A = 8.34 A, B = 7.91 A, C(fiber identity period) = 10.37 A, = 97.6^o and the space group P2<@21<@D2. The structure, refined by using the intensity data measured for valonia cellulose by gardner ＆ blackwell, gave the ratio of 0.7 to 0.3 for the probability of up- and down-molecules.2. Crystal structure of silk X-ray crystal structure analysis results in the statistical structure

1.以苎麻纤维素为原料，对天然纤维素的晶体结构进行了X射线晶体结构分析。一个滚筒扫描仪可以估计50个独立反射的积分强度。最终得到的结构为R=16.9%，其中上下分子在一个晶胞中以几乎相等的几率占据了两个晶位，参数为A=8.34 A，B=7.91 A，C(纤维识别周期)=10.37 A，=97.6^o，空间群P2&lt；@21&lt；@D2。通过使用Gardner&Blackwell测量的瓦隆尼亚纤维素的强度数据对结构进行修正，给出了向上和向下分子的概率比为0.7和0.3。对蚕丝的晶体结构进行了X射线晶体结构分析，得出了统计结构

项目成果

K.Nakama;T.Nishino;T.Matsuno;Y.Takahashi: Senoi Gakkaishi. 43. 277 (1987)

K.Nakama；T.Nishino；T.Matsuno；Y.Takahashi：Senoi Gakkaishi。

Y.,Takahashi;H.,Matsunaga: Rep.Progr.Polym.Phys.Jpn.,. 31. 139 (1988)

Y.，高桥；H.，松永：Rep.Progr.Polym.Phys.Jpn.，。

Y. Takahashi and M. Matsunaga,: "Crystal Structure of Cellulose" Rep. Progr. Polym. Phys. Jpn.31. 139 (1988)

Y. Takahashi 和 M. Matsunaga，：“纤维素的晶体结构”Rep. Progr。

Katsuhiko Nakamae, Takashi Nishino, sunetaka Matsumoto, and Yasuhiro Takahashi: "Elastic Moduli of Crystalline Regions of Poly(Ether Ether Ketone)." Sen-i Gakkaishi. 43. 277 (1987)

Katsuhiko Nakamae、Takashi Nishino、sunetaka Matsumoto 和 Yasuhiro Takahashi：“聚醚醚酮结晶区域的弹性模量”。

Y. Takahashi; N. Tanigaki,: "A preliminary Study for Structure Analysis of HVJ (Sendai Virus) Nucleocapsid." Rep. Progr. Polym. Phys. JPN.

Y.高桥；