A Study of Fiber Breakage during Compounding in a Buss Kneader

被引：13

作者：

Ville, J. ^{[2
]}

Inceoglu, F. ^{[3
]}

Ghamri, N. ^{[3
]}

Pradel, J. L. ^{[3
]}

Durin, A. ^{[1
]}

Valette, R. ^{[1
]}

Vergnes, B. ^{[1
]}

机构：

[1] MINES ParisTech, CNRS, CEMEF, UMR, F-06904 Sophia Antipolis, France

[2] Polytechs, Cany Barville, France

[3] CERDATO, ARKEMA, Serquigny, France

来源：

INTERNATIONAL POLYMER PROCESSING | 2012年 / 27卷 / 02期

关键词：

TWIN-SCREW EXTRUDERS; REINFORCED THERMOPLASTICS; FLOW; POLYPROPYLENE; DISTRIBUTIONS; DEGRADATION; LENGTH; DAMAGE;

D O I：

10.3139/217.2525

中图分类号：

TQ [化学工业];

学科分类号：

0817 ;

摘要：

This paper is devoted to the study of fiber breakage during compounding with a polyamide matrix in a Buss kneader. Results showed a drastic decrease of glass fiber length during compounding, typically from 3500 to 350 mu m. Fiber breakage depended on processing conditions: it increased with screw speed, but the effect of feed rate was less clear. Fiber breakage increased also with the severity of the screw profile. Characterizations of fiber length evolution along the screw profile have also been performed after dead-stop experiments. Generally speaking, fiber length evolution can be described using a modified Shon-Liu-White model, in which either the number of turns or the specific energy is considered.

引用

页码：245 / 251

页数：7

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