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首页> 外文会议>European Additives amp; Colors Conference; 20050316-17; Aachen(DE) >HAR WOLLASTONITE FIBRE FUNCTIONAL FILLERS FOR PP COPOLYMERS AND PP POLYMERBLENDS
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HAR WOLLASTONITE FIBRE FUNCTIONAL FILLERS FOR PP COPOLYMERS AND PP POLYMERBLENDS

机译：用于PP共聚物和PP聚合物共混物的HAR硅灰石纤维功能填料

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摘要

High aspect ratio (HAR) Wollastonite mineral short fibre compounds have been known now for over 10 years. New grinding technologies as well as surface treatment allow to tailor L/D ratio, fibre length distribution as well as interfacial behaviour to meet the increasing requirements for mechanical reinforcement, scratch resistance, dispersing ability, low shrinkage, high thermal stability and dust-reduced handling. Recent developments in analysis techniques allow to monitor also the aspect ratio of the material on a statistical base besides its size/length distribution.rnEspecially in cost efficient PP-systems wollastonite can confer the compound new properties necessary to replace other high price polymeric systems e.g. in automotive industry.rnBesides the fibrous structure of the mineral and its size distribution the surface treatment plays a major role when looking at dispersing ability, scratch resistance and mechanical properties.rnData on recent developments on TREMIN® 939 wollastonites will be presented, proofing the outstanding properties that can be achieved choosing the right functional filler to get the optimum compound for a given application. A comparison of tensile strengths, E moduli, impact resistances, HDT's as well as shrinkage values will be presented and discussed.
机译：高长宽比（HAR）硅灰石矿物短纤维复合材料现在已经有十多年的历史了。新的磨削技术和表面处理可定制L / D比，纤维长度分布和界面行为，以满足对机械增强，耐刮擦，分散能力，低收缩，高热稳定性和减少粉尘处理的不断增长的要求。分析技术的最新发展还允许在统计基础上监控材料的长宽比，除了其尺寸/长度分布。特别是在具有成本效益的PP系统中，硅灰石可以赋予该化合物新的特性，以取代其他高价聚合物体系，例如。在汽车工业中.rn除了矿物的纤维结构及其尺寸分布外，在研究分散能力，耐刮擦性和机械性能方面，表面处理也起着重要作用.rn将提供有关TREMIN®939硅灰石最新进展的数据，证明其卓越的性能选择合适的功能性填料以获得给定应用的最佳化合物可获得的性能。将介绍和讨论拉伸强度，E模量，抗冲击性，HDT和收缩值的比较。

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