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Chips of fir (T)(A. Sachalinensis Mast.) as softwood and birch (B)(B. platyphylla var. japonica Hara) as hardwood were pulped by HBS pulping process with fresh HBS of 1, 4-butanediol and its recovered solvents (RHBS-1 and 2) prepared from spent liquors. HBS lignins (HL). that is. BL-1-3 and TL-1-3 were isolated in yields of 90-150% based of chips from the spent liquors of birch and fir, respectively. Furthermore. HL was fractionated into ether insolubles (IS) and solubles (S) to analyze. Each the lignin was subjected to elemental. spectral spectrographic (UV and NMR), thermomechanical, gel permeation chromatographic analyses, determination of hydroxyl groups, and also nitrobenzene oxidation.

JETI

Development of "cellooligosaccharide", new material made from cellulose

Author: Tabata, Masahiko

A review on the chem. and enzymic manufacture of cellooligosaccharides (COS) and their physicochem. properties, physiol. functions of COS as indigestible sugars, effects of COS on lipid metabolism, application of COS in stock farming, and application of COS derivatives in cosmetics and other chem. industry.

100 Deals associated with Nippon Paper Chemicals Co., Ltd.

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100 Translational Medicine associated with Nippon Paper Chemicals Co., Ltd.

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