竹青对粉单竹SCMP制浆的影响

金　叶<sup>1; 2</sup>; 李广兴<sup>1; 2</sup>; 刘　义<sup>1; 2</sup>; 张科蕾<sup>1; 2</sup>; 李明富<sup>1; 2</sup>; 骆莲新<sup>1; 2; *</sup>; 王双飞<sup>1; 2</sup>

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Effects of Bamboo Outer Skin on SCMP Pulping of Bambusa Chungii

DOI：10.11980/j.issn.0254-508X.2018.06.004

Key Words:bamboo outer skin SCMP wax analysis

Fund Project:国家自然科学基金项目“高得率竹浆中非木素组分的光热诱导返色机理和生物调控”（项目批准号：31660182）。

Author Name	Affiliation
JIN Ye^1，2	1.College of Light Industry and Food Engineering， Guangxi University， Nanning， Guangxi Zhuang Autonomous， 530004 2.Guangxi key Lab of Clean Pulping and Papermaking and Pollution Control， Nanning， Guangxi Zhuang Autonomous， 530004
LI Guang-xing^1，2	1.College of Light Industry and Food Engineering， Guangxi University， Nanning， Guangxi Zhuang Autonomous， 530004 2.Guangxi key Lab of Clean Pulping and Papermaking and Pollution Control， Nanning， Guangxi Zhuang Autonomous， 530004
LIU Yi^1，2	1.College of Light Industry and Food Engineering， Guangxi University， Nanning， Guangxi Zhuang Autonomous， 530004 2.Guangxi key Lab of Clean Pulping and Papermaking and Pollution Control， Nanning， Guangxi Zhuang Autonomous， 530004
ZHANG Ke-lei^1，2	1.College of Light Industry and Food Engineering， Guangxi University， Nanning， Guangxi Zhuang Autonomous， 530004 2.Guangxi key Lab of Clean Pulping and Papermaking and Pollution Control， Nanning， Guangxi Zhuang Autonomous， 530004
LI Ming-fu^1，2	1.College of Light Industry and Food Engineering， Guangxi University， Nanning， Guangxi Zhuang Autonomous， 530004 2.Guangxi key Lab of Clean Pulping and Papermaking and Pollution Control， Nanning， Guangxi Zhuang Autonomous， 530004
LUO Lian-xin^1，2,*	1.College of Light Industry and Food Engineering， Guangxi University， Nanning， Guangxi Zhuang Autonomous， 530004 2.Guangxi key Lab of Clean Pulping and Papermaking and Pollution Control， Nanning， Guangxi Zhuang Autonomous， 530004
WANG Shuang-fei^1，2	1.College of Light Industry and Food Engineering， Guangxi University， Nanning， Guangxi Zhuang Autonomous， 530004 2.Guangxi key Lab of Clean Pulping and Papermaking and Pollution Control， Nanning， Guangxi Zhuang Autonomous， 530004

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Abstract:The effect of bamboo outer skin on SCMP pulping of Bambusa Chungii was studied. SEM observation found a dense waxy layer on the surface of bamboo outer skin. Hexane was used as extractive agent to extract the wax on bamboo outer skin. Wax components analyzed by GC-MS were hydrocarbom， acids， phenols， ketones， aldehyde and other substances. The compositions of native bamboo and bamboo with removed outer skin and their SCMP and bleached SCMP were analyzed， the results showed that bamboo outer skin hinderes permeation of the liquid， and affected dissolving out of extractives during the proceses of sulfonating and refining. XPS analysis showed that original bamboo fiber surface contained more extractives which consumed H₂O₂ and affected H₂O₂ bleaching. Using one and two stage bleaching the brightness increase of SCMP of bamboo with removed outer were 24.9 and 36.4 percentage points respectively. The brightness increase of the of SCMP of native bamboo were 24.5 and 34.6 percentage points respectively. The brightness increase of the former was higher than that of the latter under the same bleaching conditions．

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