摘要
通过对聚烯烃分子结构与耐候性、流滴性关系的研究，提出了评价农膜基础树脂性能的指标除ＭＦＲ 外，还应考虑分子量、分子量分布、支链数、金属离子含量等；提出了农膜流滴性与树脂的结晶度、ＶＡ 含量等的密切关系。
By the study of the relationship between the molecular structure of polyolefin and weathering resistance and dripless,the results were made that besides MFR,the molecular weight,molecular weight distribution,numbers of branched chains,content of metallic ions should be included for the assessment index of the properties of base resin of agricultural film.And the property of dripless of agricultural film had close relationship with resin crystallinity and VA content.
出处
《塑料》
CAS
CSCD
2000年第1期26-29,共4页
Plastics
关键词
聚烯烃树脂
分子结构
耐候性
流滴性
农用薄膜
polyolefin resin
molecular structure
weathering resistance
dripless
assessment index
