非金属矿
非金屬礦
비금속광
NON-METALLIC MINES
2013年
4期
46-49
,共4页
生瑜%朱德钦%邹寅将%方镇%苏晓芬
生瑜%硃德欽%鄒寅將%方鎮%囌曉芬
생유%주덕흠%추인장%방진%소효분
聚丙烯蜡%碳酸钙%聚丙烯%原位固相接枝改性%性能
聚丙烯蠟%碳痠鈣%聚丙烯%原位固相接枝改性%性能
취병희사%탄산개%취병희%원위고상접지개성%성능
polypropylene wax%calcium carbonate%polypropylene%solid phase grafting in-situ%properties
依次用马来酸酐(MAH)、聚丙烯蜡(PPW)对碳酸钙(CaCO3)进行表面改性,制备原位固相接枝改性碳酸钙(CaCO3-MAH-PPW)。考察CaCO3-MAH-PPW中化学键合和物理包覆2种形态的PPW在填充聚丙烯(PP)复合材料中的作用。结果表明,物理包覆的PPW可一定程度上提高PP复合材料的力学和加工性能,起决定作用的是通过原位固相接枝法化学键合在CaCO3表面的PPW。
依次用馬來痠酐(MAH)、聚丙烯蠟(PPW)對碳痠鈣(CaCO3)進行錶麵改性,製備原位固相接枝改性碳痠鈣(CaCO3-MAH-PPW)。攷察CaCO3-MAH-PPW中化學鍵閤和物理包覆2種形態的PPW在填充聚丙烯(PP)複閤材料中的作用。結果錶明,物理包覆的PPW可一定程度上提高PP複閤材料的力學和加工性能,起決定作用的是通過原位固相接枝法化學鍵閤在CaCO3錶麵的PPW。
의차용마래산항(MAH)、취병희사(PPW)대탄산개(CaCO3)진행표면개성,제비원위고상접지개성탄산개(CaCO3-MAH-PPW)。고찰CaCO3-MAH-PPW중화학건합화물리포복2충형태적PPW재전충취병희(PP)복합재료중적작용。결과표명,물리포복적PPW가일정정도상제고PP복합재료적역학화가공성능,기결정작용적시통과원위고상접지법화학건합재CaCO3표면적PPW。
CaCO3 surface was pretreated with maleic anhydride (MAH) to introduce active double bond group, and then grafted chemically by polypropylene wax (PPW) via solid phase grafting in-situ to increase the interfacial compatibility of CaCO3 with polypropylene. The effects of PPW in the forms of chemical grafting and physical coating on CaCO3-MAH-PPW respectively, on the properties of filled polypropylene composites were investigated in detail. Mechanical and processing properties test indicate that physical coated PPW can improve the performance of filled polypropylene composites to a certain degree, but the improvement is very limited. The decisive factor to improve the mechanical and processing properties of filled polypropylene composites is the PPW bonded chemically on the surface of CaCO3.