半纤维素-甲基纤维素复合膜的制备及其性能分析
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摘要
将甲基纤维素和山梨醇分别添加到半纤维素中制备半纤维素-甲基纤维素复合膜及半纤维素-山梨醇复合膜,对复合膜的成膜性和强度性能进行分析,并探讨半纤维素-甲基纤维素及半纤维素-山梨醇混合溶液的粒径和Zeta电位。结果表明,随着甲基纤维素质量分数增加,半纤维素-甲基纤维素混合溶液粒径先增大后减小;Zeta电位则随着甲基纤维素质量分数的增加先降低后提高,甲基纤维素质量分数为75%时,半纤维素-甲基纤维素混合溶液的Zeta电位达到最小值。当甲基纤维素质量分数为35%时,可形成完整的半纤维素-甲基纤维素复合膜,增加甲基纤维素质量分数,复合膜强度提高;当甲基纤维素质量分数为75%时,复合膜强度最大,但继续增加甲基纤维素的质量分数,复合膜强度降低。山梨醇质量分数为35%～50%时,可形成完整的半纤维素-山梨醇复合膜,且随着山梨醇质量分数增加,复合膜强度降低。
To improve the film-forming property of hemicellulose, the methylcellulose and sorbitol were added respectively to form composite films and the film-forming and strength property were investigated. The particle size and Zeta potential of the hemicelluloses-methylcellulose and hemicellulose-sorbitol mixed solution were also investigated. The results showed that with the increase of methylcellulose dosage, the size of hemicelluloses-methylcellulose mixed solution particles increased first then reduced and the Zeta potential reduced first then increased. When the methylcellulose dosage was 75%, the Zeta potential reached the minimum. The continuous hemicellulose-methylcellulose film was formed when the methylcellulose addition was at least 35%. The hemicellulose-sorbitol film was continuous when the sorbitol addition ranged from 35% to 50%. The strength property of hemicellulose-sorbitol composite film decreased with the increase of sorbitol content. The strength property of hemicelluloses-methylcellulose composite film improved with the increases of methylcellulose and reached a maximum value when the methylcellulose dosage was 75%, however the strength property of the composite film decreased as the methylcellulose dosage was higher than this value.
To improve the film-forming property of hemicellulose, the methylcellulose and sorbitol were added respectively to form composite films and the film-forming and strength property were investigated. The particle size and Zeta potential of the hemicelluloses-methylcellulose and hemicellulose-sorbitol mixed solution were also investigated. The results showed that with the increase of methylcellulose dosage, the size of hemicelluloses-methylcellulose mixed solution particles increased first then reduced and the Zeta potential reduced first then increased. When the methylcellulose dosage was 75%, the Zeta potential reached the minimum. The continuous hemicellulose-methylcellulose film was formed when the methylcellulose addition was at least 35%. The hemicellulose-sorbitol film was continuous when the sorbitol addition ranged from 35% to 50%. The strength property of hemicellulose-sorbitol composite film decreased with the increase of sorbitol content. The strength property of hemicelluloses-methylcellulose composite film improved with the increases of methylcellulose and reached a maximum value when the methylcellulose dosage was 75%, however the strength property of the composite film decreased as the methylcellulose dosage was higher than this value.
引文
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[24] Sch?nberg C,Oksanen T,Suurn?kki A,et al.The importance of xylan for the strength properties of spruce kraft pulp fibres[J].Holzforschung-International Journal of the Biology,Chemistry,Phy-sics and Technology,2001,55(6):639.
[2] Tobias K?hnke,Harald Brelid,Gunnar Westman.Adsorption of cationized barley husk xylan on kraft pulp fibres:influence of degree of cationization on adsorption characteristics[J].Cellulose,2009,16(6):1109.
[3] Pejic Biljana M,Kostic Mirjana M,Skundric Petar D,et al.The effects of hemicelluloses and lignin removal on water uptake behavior of hemp fibers[J].Bioresource Technology,2008,99(15):7152.
[4] Hoije A.Isolation and characterization of physicochemical and material properties of arabinoxylans from barley husks[J].Carbohydrate Polymers,2005,61(3):266.
[5] Wei Changqing,Tong Junmao,Shan Chunhui.Research and Utilization on Functional Xylo-oligosaccharides[J].Academic Periodical of Farm Products Processing,2007(1):40.魏长庆,童军茂,单春会.功能性低聚木糖的研究开发及应用[J].农产品加工学刊,2007(1):40.
[6] Maria Gr?ndahl,Lisa Eriksson,Paul Gatenholm.Material properties of plasticized hardwood xylans for potential application as oxygen barrier films[J].Biomacromolecules,2004,5(4):1528.
[7] Tomoko Shimokawa,Eiji Togawa,Koichi Kakegawa,et al.Film formation and some structural features of hemicellulose fractions from Pinus densiflora leaves[J].Journal of Wood Science,2015,61(1):53.
[8] Xiao Naiyu,Chen Xuejun,Zhuang Yongmu,et al.Preparation of edi-ble methylcellulose packaging films and their applications[J].Chemical Industry and Engineering Progress,2015,34(7):1967.肖乃玉,陈雪君,庄永沐,等.可食性甲基纤维素包装膜的制备及其应用[J].化工进展,2015,34(7):1967.
[9] LIN Chun-xiang,ZhAN Huai-yu,LIU Ming-hua,et al.Study Progress of Graft Copolymerization of Cellulose[J].Transactions of China Pulp and Paper,2010,25(1):90.林春香,詹怀宇,刘明华,等.纤维素接枝共聚的研究进展[J].中国造纸学报,2010,25(1):90.
[10] Jonas Hartman.Oxygen barrier materials from renewable sources:material properties of softwood hemicelluloses-based films[J].Journal of Applied Polymer Science,2006,100(4):2985.
[11] Harfmann Robert G,Deshmukh Balasaheb K,Conklin Jerry,et al.Determination of methylcellulose and hydroxypropyl methylcellulose food gums in food and food products:collaborative study[J].Journal of AOAC INTERNATIONAL,2007,90 (3):786.
[12] Luo Qiushui,Huang Yuesheng,Tang Kaijie,et al.Methyl Cellulose Edible Membrane Synthesis and the Effect of Plasticizer on the Mechanical Properties[J].Journal of Chinese Institute of Food Science and Technology,2013,13(10):8.罗秋水,黄月胜,汤凯洁,等.甲基纤维素可食膜的制备和增塑剂对其机械性能的影响[J].中国食品学报,2013,13(10):8.
[13] XU Feng,MAO Jian-zhen,GWYNN Ll-Jones,et al.Ultrastructure and lignin distribution in fiber cell walls of caragana korshinskii normal wood and tension wood[J].Transactions of China Pulp and Paper,2009,24(4):15.许凤,毛健贞,Gwynn Ll-Jones,等.柠条正常木与受拉木纤维细胞超微结构及木质素微区分布研究[J].中国造纸学报,2009,24(4):15.
[14] Takanori Imai,Hideyuki Goto,Hiroyuki Matsumura,et al.Determination of the distribution and reaction of polysaccharides in wood cell walls by the isotope tracer technique VIII:selective radiolabeling of xylan in mature cell walls of magnolia(Magnolia kobus DC) and visualization of its distribution by microautoradiography[J].Journal of Wood Science,1999,45(2):164.
[15] Zhang B C,Zhou Y H.Plant cell wall formation and regulation[J].Scientia Sinica,2015,45(6):544.张保才,周奕华.植物细胞壁形成机制的新进展[J].中国科学:生命科学,2015,45(6):544.
[16] Peng Xinwen.Efficient synthesis and applications of functional hemicelluloses[D].Guangzhou:South China University of Technology,2012.彭新文.功能化半纤维素高效合成及其材料应用研究[D].广州:华南理工大学,2012.
[17] Sun Shao-Long,Wen Jia-Long,Ma Ming-Guo,et al.Successive alkali extraction and structural characterization of hemicelluloses from sweet sorghum stem[J].Carbohydrate Polymers,2013,92:2224.
[18] Shi Shulan,He Fuwang,Zhang Zeng,et al.Pulp and paper analysis and testing[M].Beijing:China Light Industry Press,2008:174.石淑兰,何福望,张曾,等.制浆造纸分析与检测[M].北京:中国轻工业出版社,2008:174.
[19] Gradwell Sheila E,Renneckar Scott,Esker Alan R,et al.Surface modification of cellulose fibers:towards wood composites by biomi-metics[J].Comptes Rendus Biologies,2004,327(9 /10):945.
[20] Peter Westbye,Tobias K?hnke,Wolfgang Glasser,et al.The influence of lignin on the self-assembly behaviour of xylan rich fractions from birch (Betula pendula) [J].Cellulose,2007,14 (6):603.
[21] K?hnke Tobias,Ostlund Asa,Brelid Harald.Adsorption of arabinoxylan on cellulosic surfaces:influence of degree of substitution and substitution pattern on adsorption characteristics[J].Biomacromolecules,2011,12 (7):2633.
[22] Zhu Ryberg Y Z,Edlund U,Albertsson A-C.Conceptual approach to renewable barrier film design based on wood hydrolysate[J].Biomacromolecules,2011,12(4):1355.
[23] Cruq B,Gontard N,Guilbere S.Thermal properties of fish myofibrillar protein-based films as affected by moisture content[J].Polymer,1997,38(10):2399.
[24] Sch?nberg C,Oksanen T,Suurn?kki A,et al.The importance of xylan for the strength properties of spruce kraft pulp fibres[J].Holzforschung-International Journal of the Biology,Chemistry,Phy-sics and Technology,2001,55(6):639.
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