明胶/纳米微晶纤维素共混复合膜的逾渗研究
Chemical World(2019)
Abstract
以共混的方法制备了明胶/纳米微晶纤维素复合膜.测定了不同纳米微晶纤维素质量分数(0%~1%)下复合膜的抗拉强度(2.3~14.8 MPa)、断裂伸长率(55%~13%)和热缩性(3.5%~1.4%).当添加纳米微晶纤维素(NCC)到一定量时复合膜的抗拉强度、断裂伸长率和热缩性的数值都发生了突变.结果 表明,明胶/纳米微晶纤维素共混复合膜存在逾渗现象,逾渗阈值为质量分数0.6%NCC.
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