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Inhibition of Yellowing of ECF Bleached Hardwood Kraft Pulp
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- Kawae Ayano
- Research Development Div. Pulp & Paper Research Laboratory, Oji Paper Co., Ltd.
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- Uchida Yosuke
- Research Development Div. Pulp & Paper Research Laboratory, Oji Paper Co., Ltd.
Bibliographic Information
- Other Title
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- ECF漂白パルプの褪色防止について
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Description
The aim of this work was to inhibit the heat-and moisture-induced yellowing of ECF bleached hard wood kraft pulp (LBKP) in acidic paper. We have already reported that one of the derivatives of hexenuronic acid (HexA) in LBKP, 5-formyl-2-furancarboxylic acid (FFA) , causes yellowing, and that FFA might polymerize or react with pulp components to form new chromophoric groups 1) .<BR>In this study, it was shown that the carboxylic base of FFA interacts with that of glucuronic acid or galacturonic acid, resulting in strong yellowing. Therefore, it seems that preventing the reaction of carboxylic bases could be effective in suppressing this yellowing. We have discovered that polycarboxylic acids (for example, citric acid, tartaric acid, etc.) are useful as a yellowing inhibitor.
Journal
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- JAPAN TAPPI JOURNAL
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JAPAN TAPPI JOURNAL 61 (1), 59-62, 2007
JAPAN TECHNICAL ASSOCIATION OF THE PULP AND PAPER INDUSTRY
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Keywords
Details 詳細情報について
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- CRID
- 1390001206515149568
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- NII Article ID
- 10018455938
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- NII Book ID
- AN00379952
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- COI
- 1:CAS:528:DC%2BD2sXhtF2rurg%3D
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- ISSN
- 18811000
- 0022815X
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- Data Source
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- JaLC
- Crossref
- CiNii Articles
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- Abstract License Flag
- Disallowed
