SIZING AGENT-ATTACHED FIBER BUNDLE AND METHOD FOR PRODUCING THE SAME

To provide a sizing agent-attached fiber bundle that has high abrasion resistance even with a small amount of sizing agent attached, and to provide a method for producing the same.SOLUTION: By immersing a fiber bundle 21 in a sizing bath 11, followed by blowing a gas onto the fiber bundle 21 to impr...

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1. Verfasser: ABE NORIHIRO
Format: Patent
Sprache:eng ; jpn
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Zusammenfassung:To provide a sizing agent-attached fiber bundle that has high abrasion resistance even with a small amount of sizing agent attached, and to provide a method for producing the same.SOLUTION: By immersing a fiber bundle 21 in a sizing bath 11, followed by blowing a gas onto the fiber bundle 21 to impregnate the sizing agent into the fiber bundle, a sizing agent-attached fiber bundle in which the attached amount of sizing agent in sizing agent-attached fiber bundle is 0.2 to 1.0 mass%, the sizing agent is a sizing agent containing a fine particle sizing component having a particle size of less than 1 μm by 50 vol% or more, and the ratio of the single fibers to which sizing agent is not attached among the single fibers forming the surface of sizing agent-attached fiber bundle is 15% or less can be produced.SELECTED DRAWING: Figure 1 【課題】サイジング剤の付着量が少なくても高い耐擦過性を有するサイジング剤付着繊維束、およびその製造方法を提供する。【解決手段】サイジング浴11に繊維束21を浸漬した後、この繊維束21に気体を吹き付けてサイジング剤を繊維束内に含浸させ、サイジング剤付着繊維束におけるサイジング剤の付着量が0.2~1.0質量%であり、サイジング剤が粒子径1μm未満の微細粒子サイジング成分を50体積%以上含むサイジング剤であり、サイジング剤付着繊維束の表面を構成する単繊維のうち、サイジング剤が未付着である単繊維の割合が15%以下であるサイジング剤付着繊維束を製造することができる。【選択図】図1