| 摘要 |
<P>PROBLEM TO BE SOLVED: To provide coated glass fiber strands having a peculiar coating, inhibiting abrasive wear and breakage of the fiber in treating and having an excellent wet-through, wet-out properties and dispersibility, excellent strength of a laminate eliminating heat-cleaning process prior to lamination process, excellent heat stability, resistance to hydrolysis, corrosion resistance and low reactivity in the presence of reactive acids and alkalis in high humidity and compatibility with polymeric matrix materials, during composite material forming process. <P>SOLUTION: The present invention provides the coated fiber strand comprising a plurality of glass fibers having an average nominal fiber diameter greater than 5 micrometers, the strand being at least partially impregnated with a dried residue of an aqueous sizing composition comprising solid particles which provide interstitial spaces between adjacent glass fibers of the strand, the solid particles having a minimum average particle size of at least 3 micrometers and a hardness which does not exceed a hardness of the plurality of glass fibers. <P>COPYRIGHT: (C)2004,JPO |
