摘要
以废弃棉织物作为微晶纤维素(MCC)来源,将十八胺-密胺树脂(OMF)疏水化改性得到的OMF-MCC作为增强材料,制备废弃棉织物微晶纤维素/聚乳酸复合薄膜(OMF-MCC/PLA),并对改性前后的废弃棉织物MCC及OMF-MCC/PLA复合薄膜开展材料表征和力学性能测试。结果表明:废弃棉织物提取的MCC表面光滑,尺寸分布较宽;OMF成功实现了废弃棉织物MCC的疏水化改性,添加OMF-MCC的聚乳酸(PLA)复合薄膜拉伸强度较纯PLA薄膜最大提升了166.6%,断裂伸长率略有下降;OMF-MCC/PLA复合薄膜展现出良好的力学性能。
Utilizing waste cotton as a source of microcrystalline cellulose(MCC),octadecylamine-melamine formaldehyde resin(OMF)was employed for hydrophobic modification to obtain OMF-MCC as a reinforcing material for waste cotton microcrystalline cellulose/polylactic acid composite films(OMF-MCC/PLA).Material characterization and mechanical properties tests were conducted on pristine and modified waste cotton MCC and the OMF-MCC/PLA composite films.The results showed that the MCC extracted from waste cotton textiles had a smooth surface with wide size dispersion,and OMF modification increased the hydrophobicity of waste cotton MCC successfully.Compared to the pure PLA films,the tensile strength of the OMF-MCC/PLA composite films was enhanced significantly with the addition of OMF-MCC,maximally increased by 166.6%.The elongation at break of OMF-MCC/PLA composite films only experienced a slight decrease.The obtained OMF-MCC/PLA composite films demonstrated excellent mechanical properties.
作者
陈超
李荣国
黄山
姜晓雪
靳晓曼
张洁瑞
杨莉
CHEN Chao;LI Rong-guo;HUANG Shan;JIANG Xiao-xue;JIN Xiao-man;ZHANG Jie-rui;YANG Li(China Tobacco Shaanxi Industrial Co.,Ltd.,Xi'an 710061,China;Xi'an Company,China Tobacco Shaanxi Industrial Co.,Ltd.,Xi'an 710061,China;School of Water and Environment,Chang'an University,Xi'an 710064,China)
出处
《塑料科技》
CAS
北大核心
2024年第11期90-95,共6页
Plastics Science and Technology
基金
中国烟草总公司2022年度科技项目“烟草商业物流可降解绿色包装技术研发与应用”(110202202035)
陕西省烟草公司2022年度科技项目“烟草商业企业物流碳排放评估与低碳技术应用研究”(KJ-2022-08)
长安大学2024年大学生创新训练项目“绿色合成纳米羟基磷灰石对土壤镉的钝化机理研究”(S202410710328)。
关键词
聚乳酸
废弃棉织物
微晶纤维素
力学性能
Polylactic acid
Waste cotton
Microcrystalline cellulose
Mechanical properties
作者简介
联系人:杨莉,yyangli@chd.edu.cn。
