棉秆皮纤维增强聚丁二酸丁二醇酯复合材料的制备及降解性能研究
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摘要
棉秆皮纤维(CSBF)经过梳棉机梳理后,作为增强纤维,可通过增强聚丁二酸丁二醇酯(PBS)制备复合材料。研究了热压工艺条件对复合材料力学性能的影响以及复合材料的降解性能。结果表明:复合材料热压工艺的最佳条件:压力2MPa、温度140℃、时间20min、纤维含量40%。PBS基质中增强CSBF可以在一定程度上提高复合材料的力学性能和热学性能。复合材料水降解实验表明,复合材料表面有严重的破损,出现絮状的空洞,内部的CSBF发黑,质量减轻。
Cotton stalk bark fibers were carded by carding machine and then reinforced by used polybutylene succinate(PBS)to prepare composites materials as reinforced fiber.The effects of molding-compression condition on the mechanical property of composites and the degradation property of composites were studied.The results showed that the optimal condition were as follows:pressure of 2 MPa,temperature of 140℃,time of 20 min and fiber mass fraction of 40%.The addition of cotton stalk bark fiber to the PBS matrix could improve the mechanical and thermal properties of composites to a certain extent.The results showed that there were serious cracks on the surface and cotton-like hollow inside of composites material,at the same time the quality was reduced after degradation experiment.
Cotton stalk bark fibers were carded by carding machine and then reinforced by used polybutylene succinate(PBS)to prepare composites materials as reinforced fiber.The effects of molding-compression condition on the mechanical property of composites and the degradation property of composites were studied.The results showed that the optimal condition were as follows:pressure of 2 MPa,temperature of 140℃,time of 20 min and fiber mass fraction of 40%.The addition of cotton stalk bark fiber to the PBS matrix could improve the mechanical and thermal properties of composites to a certain extent.The results showed that there were serious cracks on the surface and cotton-like hollow inside of composites material,at the same time the quality was reduced after degradation experiment.
引文
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[6]Shinozaki Y,Morita T,Cao X,et al.Biodegradable plastic-degrading enzyme from pseudozyma antarctica:cloning,sequencing,and characterization[J].Applied Microbiology and Biotechnology,2013,97(7):2951-2959.
[7]Yu P,Mi H Y,Huang A,et al.Effect of poly(butylenes succinate)on poly(lactic acid)foaming behavior:formation of open cell structure[J].Industrial&Engineering Chemistry Research,2015,54(23):6199-6207.
[8]Bourmaud A,kesson D,Beaugrand J,et al.Recycling of Lpoly-(lactide)-poly-(butylene-succinate)-flax biocomposite[J].Polymer Degradation and Stability,2016,128:77-88.
[9]Yang T,Wang R,Hou X,et al.Morphology and high-performance of in-situ self-assemble epoxy resin with side aliphatic dangling chains[J].Materials Letters,2016,166:150-153.
[10]Wang C,Hu F,Yang K,et al.Preparation and properties of nylon 6/sulfonated graphene composites by an in situ polymerization process[J].RSC Advances,2016,6(51):45014-45022.
[11]冒海燕,张淼,强思雨,等.偶氮苯-聚氨酯基抗皱功能高分子染料制备及性能[J].纺织学报,2016,37(2):79-84.
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[15]Yang J,Lu S,Luo Q,et al.Enhanced mechanical and thermal properties of polypropylene/cellulose fibers composites with modified tannic as a compatibilizer[J].Polymer Composites,2016,DOI:10.1002/pc.24165.
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[17]黄龙男,王正平,张德庆,等.复合材料固化过程的智能化监控及其智能生产系统[J].复合材料学报,2002,19(2):1-12.