Cellulose crystallinity is an important structural parameter of cellulose materials and therefore, it needs to be measured accurately. Considering that three methods, 380-Raman, 13C NMR, and Segal-WAXS are frequently used to estimate crystallinity, the methods are compared with respect to their strengths and limitations. To evaluate the effectiveness of each method, a number of criteria were selected. The latter included effect of moisture, presence of amorphous components, existence of mixed phases of cellulose, microfibril coalescence, and presence of sample-fluorescence. In addition, presenter’s observations on use of Scherrer formula will be offered.

Pros and cons of various cellulose crystallinity estimation methods: 380-Raman, 13C NMR, and Segal-WAXS

249th National Meeting (2015)

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<br /> Pros and cons of various cellulose crystallinity estimation methods: 380-Raman, 13C NMR, and Segal-WAXS

<br /> Pros and cons of various cellulose crystallinity estimation methods: 380-Raman,¹³C NMR, and Segal-WAXS