对桉木浆进行了碱性脱墨、中性脱墨和酶法脱墨,采用扫描电镜(SEM)、X射线衍射(XRD)及红外光谱(FT-IR)等表征手段研究了不同脱墨方式对纤维形态及超分子结构的作用,并讨论了纤维微观结构的变化与纤维润胀性能的关系.结果表明,脱墨方式对纤维形态及超分子结构都有明显的影响,其中碱性脱墨对纤维形态及超分子结构的作用最为明显,中性脱墨次之,酶法脱墨最小.同时,经脱墨处理后,桉木浆纤维保水值总体呈上升趋势,其中碱性脱墨后保水值增加最大.
参考文献
| [1] | 张效林,王汝敏.脱墨方法对废纸纤维结构特性的影响[J].中国造纸学报,2012(01):45-49. |
| [2] | 边才成,何北海.废纸脱墨过程中纤维特性的变化分析[J].中国造纸,2007(09):9-11. |
| [3] | Sang Youn Oh;Dong Il Yoo;Younsook Shin;Hwan Chul Kim;Hak Yong Kim .Crystalline structure analysis of cellulose treated with sodium hydroxide and carbon dioxide by means of X-ray diffraction and FTIR spectroscopy[J].Carbohydrate research,2005(15):2376-2391. |
| [4] | Ye DY;Farriol X .Improving accessibility and reactivity of celluloses of annual plants for the synthesis of methylcellulose[J].Cellulose,2005(5):507-515. |
| [5] | Focher B;Palma MT;Canetti M;Torri G;Cosentino C;Gastaldi G .Structural differences between non-wood plant celluloses: evidence fromsolid state NMR, vibrational spectroscopy and X-ray diffractometry[J].Industrial crops and products,2001(3):193-208. |
| [6] | Carmen-Mihaela Popescu;Ghita Singurel;Maria-Cristina Popescu .Vibrational spectroscopy and X-ray diffraction methods to establish the differences between hardwood and softwood[J].Carbohydrate Polymers: Scientific and Technological Aspects of Industrially Important Polysaccharides,2009(4):851-857. |
| [7] | Schwanninger M;Rodrigues JC;Pereira H;Hinterstoisser B .Effects of short-time vibratory ball milling on the shape of FT-IR spectra of wood and cellulose[J].Vibrational Spectroscopy: An International Journal devoted to Applications of Infrared and Raman Spectroscopy,2004(1):23-40. |
上一张
下一张
上一张
下一张
计量
- 下载量()
- 访问量()
文章评分
- 您的评分：
-
10%
-
20%
-
30%
-
40%
-
50%