Abstract
The Use of Untreated Neuburg Siliceous Earth as Filler for High-Density Polyethylene
Highlights
Technological development led to a higher demand for new materials with improved strength properties
This paper reports the results of a study on twin-screw direct extrusion run at a screw speed of 120 rev/min to produce a composite pellet product which was used for an injection molding process and after that subjected to static tensile testing as well as hardness and specimen morphology examination
We used untreated Neuburg siliceous earth (NSE) marketed under trade names Silitin Z86 and Silitin V88 ranging from 10 to 60 wt% in a matrix made of high-density polyethylene (PE-HD) Hostalen GD 7255
Summary
Technological development led to a higher demand for new materials with improved strength properties. The popularity of composite materials is due to their functional properties which greatly depend on type of filler [4, 5]. The effect of filler on properties of a composite material, in turn, mainly depends on the filler’s chemical composition and surface properties enabling formation of adhesive bonds between the polymer and the filler [6, 5]. Fillers which have a significant impact on strength are known as active fillers [5], and they usually have good adhesion properties. Active fillers do not cause any significant changes in strength and have lower polymer matrix adhesion
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