NDLI: New Method for Determining the Degree of Cellulose I Crystallinity by Means of FT Raman Spectroscopy

Content Provider	Springer Nature Link
Author	Schenzel, Karla Fischer, Steffen Brendler, Erica
Copyright Year	2005
Abstract	A Raman crystallinity index – XcRaman – characterizing the degree of crystallinity of partially crystalline cellulose I samples was created, utilizing the crystallinity dependence of CH2 bending modes. For calibration, physical mixtures containing different mass fractions of crystalline cellulose I and its amorphous form were prepared. Crystallinities from 0 to 60% were generated. Relative intensity ratios of the Raman lines I $$_{1481 {cm^-1}}$$ and I $$_{1462 {cm^-1}}$$ characterizing crystalline and amorphous parts of cellulose I correlated linearly with the mass fraction of crystalline cellulose I of the mixtures. XcRaman values of microcrystalline celluloses of different origins and varying degree of crystallinity correlated reasonably with results obtained from NMR spectroscopy (XcNMR values).
Starting Page	223
Ending Page	231
Page Count	9
File Format	PDF
ISSN	09690239
Journal	Cellulose
Volume Number	12
Issue Number	3
e-ISSN	1572882X
Language	English
Publisher	Kluwer Academic Publishers
Publisher Date	2005-01-01
Publisher Place	Dordrecht
Access Restriction	One Nation One Subscription (ONOS)
Subject Keyword	Cellulose I Crystallinity FT Raman spectroscopy Organic Chemistry Physical Chemistry Polymer Sciences Bioorganic Chemistry
Content Type	Text
Resource Type	Article
Subject	Polymers and Plastics

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New Method for Determining the Degree of Cellulose I Crystallinity by Means of FT Raman Spectroscopy