Fiber size, sized reinforcements, and articles reinforced with such reinforcements
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United States of America Patent
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Issued Date -
Apr 12, 2007
app pub date -
Oct 11, 2005
filing date -
Oct 11, 2005
priority date (Note) -
Abandoned
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Abstract
The present invention relates to fiber-size compositions for coating glass or other reinforcing fiber materials that are used in the manufacturing of composites. The fiber-size composition contains at least about 4% by weight of a polyvinylpyrrolidone film former, at least one lubricant and a coupling agent. The sizing composition gives the fibers desirable properties such as high strength, improved flexibility, fuzz formation resistance, and fiber smoothness and softness.
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