塑料科技2025，Vol.53Issue(6)：95-99,5.DOI:10.15925/j.cnki.issn1005-3360.2025.06.016
LDH@AA/羟丙基甲基纤维素/聚乙烯醇复合薄膜的制备与阻隔性能研究
Preparation and Barrier Properties Study of LDH@AA/Hydroxypropyl Methylcellulose/Polyvinyl Alcohol Composite Films
吴悦华 1何伟1
作者信息
- 1. 沈阳化工大学材料科学与工程学院,辽宁沈阳 110142
- 折叠
摘要
Abstract
Polyvinyl alcohol(PVA)and hydroxypropyl methylcellulose(HPMC)were used as substrates to modify Mg-Al layered dihydroxide(LDH)nanosheets with adipic acid(AA)to improve the barrier properties of HPMC/PVA composite films.Infrared spectrometer,X-ray diffractometer,contact angle tester,water vapor transmittance tester and other instruments were used to study the structure and properties of the composite film.The results showed that the contact angle of the layered dihydroxide(LDH@AA)composite film modified with adipic acid increased from 46.28° to 102.38°,and the water vapor transmittance of the composite film decreased from 655.72 g/(m2·24 h)to 162.08 g/(m2·24 h).The maximum tensile strength and elongation at break of the composite film were 41.73 MPa and 102.38％,respectively.The use of LDH@AA can effectively improve the mechanical properties and barrier properties of HPMC/PVA films,which is helpful to further expand its application range.关键词
聚乙烯醇/羟丙基甲基纤维素/层状双氢氧化物/涂布法/阻隔性能Key words
Polyvinyl alcohol/Hydroxypropyl methyl cellulose/LDH/Coating method/Barrier property分类
化学化工引用本文复制引用
吴悦华,何伟..LDH@AA/羟丙基甲基纤维素/聚乙烯醇复合薄膜的制备与阻隔性能研究[J].塑料科技,2025,53(6):95-99,5.
