摘要
探讨了以NMMO作溶剂时纤维素溶液的吹膜工艺中几个重要参数对薄膜透水气性的影响.实验发现:薄膜的透水气性与纤维素分子链的取向有着密切关系,且随着气隙长度、拉伸速度、吹胀比的增加而降低,但随着凝固浴温度的升高而增大.
The influences of several parameters in the process of cellulose blown film are studied. The results show that the permeance of water vapor transmission has close relationship with the chain orientation of cellulose. It decreases with the length of air gap, take up speed and blown-up ratio, while increases with the temperature of the coagulation bath.
出处
《河南师范大学学报（自然科学版）》
CAS
CSCD
2004年第2期46-50,共5页
Journal of Henan Normal University(Natural Science Edition)
基金
上海市重点学科建设项目经费资助
关键词
纤维素膜
透水气性
取向
cellulose film
water vapor transmission
orientation
