Mechanical Properties and Morphology of UHMWPE/PC/HDPE-g-MAH Blends

被引：14
|
作者：
Wei, Xing [1 ]
Lu, Yafei [1 ]
Huang, Li [1 ]
机构：
[1] Beijing Univ Chem Technol, Key Lab Beijing City Preparat & Proc Novel Polyme, Beijing 100029, Peoples R China
来源：
POLYMER-PLASTICS TECHNOLOGY AND ENGINEERING | 2011年 / 50卷 / 02期
关键词：
Blends; Compatibilizers; Morphology; Polycarbonate (PC); Ultrahigh molecular weight polyethylene (UHMWPE); MOLECULAR-WEIGHT POLYETHYLENE; PE-G-MA; TENSILE PROPERTIES; MALEIC-ANHYDRIDE; COMPATIBILIZATION; POLYPROPYLENE; EXTRUSION;
D O I：
10.1080/03602559.2010.531429
中图分类号：
O63 [高分子化学（高聚物）];
学科分类号：
070305 ; 080501 ; 081704 ;
摘要：
The blends of ultrahigh molecular weight polyethylene (UHMWPE), polycarbonate (PC) compatibilized by using a high-density polyethylene (HDPE) grafted with maleic anhydride (MAH), HDPE-g-MAH, were processed by melt extrusion. Two grafting degree of HDPE-g-MAH, 0.5% and 1.2%, were separately prepared by melt-graft and solution-graft methods. The grafting degree of HDPE-g-MAH shows a significant role in enhancing tensile strength of the blends. The compatibilization mechanism of HDPE-g-MAH in the blends analyzed by FTIR indicates that a new grafting product, HDPE-g-PC, was in situ formed. The improvement of phase interface between UHMWPE and PC by addition of HDPE-g-MAH was observed by SEM.
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页码：190 / 195
页数：6
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