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| Research on Hydrogen Bonding Patterns of Holo-cellulose by XRD and FT-IR |
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| DOI： |
| Key Words:holo-cellulose; XRD; FT-IR; hydrogen bonding; fitting process |
| Fund Project:本研究得到国家863计划项目(2007AA03Z433)、广东省重点科技攻关项目（2008A0302008）和中央高校基金项目（2009ZM0184）的资助。 |
| Author Name | Affiliation | | 吕惠琳1 | 1.华南理工大学制浆造纸工程国家重点实验室，广东广州，510640 | | 马邕文1，2 | 1.华南理工大学制浆造纸工程国家重点实验室，广东广州，510640；2.华南理工大学环境科学与工程学院，广东广州，510006 | | 万金泉1，2 | 1.华南理工大学制浆造纸工程国家重点实验室，广东广州，510640；2.华南理工大学环境科学与工程学院，广东广州，510006 | | 王 艳2 | 2.华南理工大学环境科学与工程学院，广东广州，510006 |
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| Abstract: |
| The change of crystalline form and hydrogen bonding patterns of holo-cellulose during dilute acid hydrolysis process was analyzed by X-ray diffraction and FT-IR spectroscopy. The FT-IR spectra of hydrogen-banded OH stretching vibration were resolved into three bands for cellulose I,assuming that all the vibration modes follow Gaussion distribution. Results showed that the crytallinity of cellulose and crystallite size increase after hydrolysis treatment. The relative contents of molecular hydrogen in three kinds of samples are 48.15%, 77.07% and 55.22%.It has been proved that cellulose chains mainly combine together by hydrogen bonding between molecules, while intramolecular hydrogen bonds are taking second place. Acid hydrolysis only influences the transformation of hydrogen bonding patterns while crystalline form has no change. |
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