摘要
研究了不同类型平行同向双螺杆挤出机的螺杆元件对聚乙烯熔融接枝马来酸酐的影响。通过对不同螺杆元件类型对聚乙烯接枝反应的研究,发现聚乙烯接枝率随着剪切强度增加而增加,螺杆元件的分散和分布能力决定了聚乙烯接枝反应的反应程度,并制备出接枝效率高、粘接力高和晶点少的接枝物,可应用于多层共挤吹膜领域。
The effect of different screw extruder elements on the melt grafting maleic anhydride of polyethylene was studied.It was found that the grafting ratio increased with the increase of shear strength.The dispersion and distribution of screw elements determined the degree of reaction of polyethylene graft reaction.The polyethylene grafting maleic anhydride with little crystal point and high grafting level was prepared,which could be applied to the multi-layer coextrusion barrier film.
出处
《上海塑料》
2017年第3期42-46,共5页
Shanghai Plastics
关键词
螺杆元件
聚乙烯接枝
接枝率
多层共挤膜
screw element
polyethylene grafting
grafting level
multi-layer coextrusion barrier film
