Nihon Reoroji Gakkaishi
Online ISSN : 2186-4586
Print ISSN : 0387-1533
ISSN-L : 0387-1533
The Influence of Short Fibers of Glass or Vinylon on the Flow Behavior of Polymer Melt-Fiber Mixture
Kensei HAYASHIDATeruo KOBAYASHIKazuo KOTERA
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1973 Volume 1 Issue 1 Pages 37-39

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Abstract

The flow characteristics of a general purpose polystyrene (PSGP: Styron 683) mixed with 20 and 30wt% short glass fibers (diameter=10μ, length=ca. 3mm) are compared with those of PSGP itself. The flow characteristics of a base polymer (BP) composed of 50wt% of a general purpose polystyrene (PSGP: Dialex HF55-344) and 50wt% high impact polystyrene (HIPS: Dialex HT88) and, mixed with 1, 5 and 10wt% short vinylon fibers (diameter=ca. 20μ, length=ca. 3mm) are compared with those of the base polymer itself. It is especially interesting that the non-Newtonian flow behavior index decreases for the glass fiber mixed polymer while it increases for the vinylon fiber mixed one. This is probably due to a difference of the flexibility of the mixed fibers.

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© The Society of Rheology, Japan
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