Evaluation of Coupling Agents in Poly(propylene)/Fly Ash Composites: Effect on Processing and Mechanical Properties

被引：14

作者：

Iraola-Arregui, Itziar ^{[2
]}

Potgieter, Herman ^{[3
]}

Liauw, Christopher Mark ^{[1
]}

机构：

[1] Manchester Metropolitan Univ, Div Mech Engn, Manchester M1 5GD, Lancs, England

[2] Manchester Metropolitan Univ, Div Chem & Environm, Manchester M1 5GD, Lancs, England

[3] Manchester Metropolitan Univ, Sch Res Enterprise & Innovat, Manchester M1 5GD, Lancs, England

来源：

MACROMOLECULAR MATERIALS AND ENGINEERING | 2011年 / 296卷 / 09期

关键词：

composites; coupling agent; fly ash; mechanical properties; poly(propylene); PULVERIZED FUEL ASH; FLY-ASH; HYDROXIDE COMPOSITES; POLYMER COMPOSITES; CALCIUM-CARBONATE; FILLER;

D O I：

10.1002/mame.201000413

中图分类号：

T [工业技术];

学科分类号：

08 ;

摘要：

Composites containing 50 wt.-% fly ash in a PP homopolymer were prepared via batch mixing and compression moulding. The following coupling agents were evaluated: Lubrizol Solplus C800, N,N'-(1,3-phenylene)dimaleimide, gamma-methacryloxypropyltrimethoxysilane and maleic-anhydride-grafted PP. At the filler level investigated, C800 gave the best balance of composite strength and toughness. In the latter case filler-matrix adhesion appeared weaker relative to gamma-MPS, BMI and m-PP, all of which gave excessively strong filler-matrix adhesion leading to a reduction in composite toughness. The unexpected weakness of the C800/fly ash interaction may be related to removal of surface calcium ions from the fly ash via reaction of a single calcium ion with two C800 molecules.

引用

页码：810 / 819

页数：10

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