By Kenji Kamide
Many hugely acclaimed and authoritative books on polymer technological know-how are inclined to specialise in man made polymers. Cellulose and Cellulose Derivatives is the 1st authoritative publication at the topic. It examines contemporary advancements, with specific connection with cellulose (in aqueous alkali) and cellulose acetate. filled with examples, the writer takes an in-depth examine the subject, utilizing the main trustworthy experimental information to be had. A finished method of the elemental rules of cellulose and its derivatives in resolution makes Cellulose and Cellulose Derivatives excellent examining for newbies in addition to skilled cellulose scientists.
* Outlines the theoretical basics of cellulose and cellulose derivatives
* offers finished and trustworthy experimental ends up in figures and tables
* hugely illustrated and simple to learn
Read Online or Download Cellulose and Cellulose Derivatives: Molecular Characterization and Its Applications: Molecular Characterization and Its Application (Polymer Science Library) PDF
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Extra info for Cellulose and Cellulose Derivatives: Molecular Characterization and Its Applications: Molecular Characterization and Its Application (Polymer Science Library)
1969, 8, 766. 20. K Kamide and M Saito, Macromol. , 1994, 83, 233. 21. K Yasuda and K Kamide, unpublished results. 22. See, for example, T Miyamoto, Y Sato, T Shibata, M Tanahashi and H Inagaki, /. Polym. ScL, Polym. Chem. , 1985, 23, 1373. 23. K Kowsaka, K Okajima and K Kamide, Polym. , 1988, 20, 827. 24. S Takahashi, T Fujimoto, BM Barua and T Miyamoto, /. Polym. ScL, A. Polym. , 36, 952. 25. T Kondo and DG Gray, Carbohydr. , 1991, 220, 173. 1 Substituted and unsubstituted glucopyranose units in CA molecules^: ^fimJ} represents molecular fraction of the units.
92) sample in TCM-4. 98 ppm. These chemical shift values are nearly equal to those reported by Goodlett et al. 94 ppm to the 0-acetylprotons attached to the positions C^, C2, and C3, respectively, by comparing the reaction rate of p-toluene sulfonylchloride with three hydroxyl groups at C^, C2, and C3 positions. ^ (a) ^H NMR; (b) ^^C NMR. 32 2. CHARACTERIZATION OF CELLULOSE DERIVATIVES by the chemical analysis. 92) samples. When peak areas are used, the accuracy for evaluating ((/^)) is ± 4 - 8 % .
A) ^H NMR; (b) ^^C NMR. 32 2. CHARACTERIZATION OF CELLULOSE DERIVATIVES by the chemical analysis. 92) samples. When peak areas are used, the accuracy for evaluating ((/^)) is ± 4 - 8 % . 00 and may be due to experimental uncertainty. 1). These intensities were compared with those of three acetylmethyl proton peaks in the ^H NMR spectrum of the same sample and they assigned the three carbonyl carbon peaks to C^, C2, and C3 positions from the low magnetic field. 92. Note that they observed at least four peaks in the carbonyl carbon region for CA with low ((F)), and they assigned one of these peaks as that from acetic acid contaminated in CA sample, by assuming CA with ((F)) less than unity.