石油化工2024，Vol.53Issue(3)：347-353,7.DOI:10.3969/j.issn.1000-8144.2024.03.006
聚乙烯共混体系流变行为对吹塑薄膜雾度的影响
Effect of rheological behavior of polyethylene blends system on haze of blown films
贾雪飞 1唐毓婧 1姚雪容 1郑萃 1张龙贵 1张韬毅1
作者信息
- 1. 中石化(北京)化工研究院有限公司,北京 100013
- 折叠
摘要
Abstract
The relationship between haze and rheological behavior of blown films with different linear low-density polyethylene/low-density polyethylene(LLDPE/LDPE)blends was investigated.The internal crystallization and surface morphology of the blown films were characterized by DSC,light scattering and white light interference,and the structures of single component melts and blend melts were characterized by GPC and rheological methods.The experimental results show that the total haze of LLDPE/LDPE blend blown films mainly depends on the surface roughness of the film,which has a concave upward parabolic relationship with the recoverable shear strain parameter(γ∞)of the blends.The appropriate γ∞ and amount of LDPE are key factors to control the haze of LLDPE/LDPE blend blown films.关键词
线型低密度聚乙烯/低密度聚乙烯/雾度/流变行为/可恢复剪切应变参数Key words
linear low-density polyethylene/low-density polyethylene/haze/rheological behavior/recoverable shear strain parameter分类
化学化工引用本文复制引用
贾雪飞,唐毓婧,姚雪容,郑萃,张龙贵,张韬毅..聚乙烯共混体系流变行为对吹塑薄膜雾度的影响[J].石油化工,2024,53(3):347-353,7.
