Cloth prepreg and wet process for manufacturing the same

Details Cloth prepreg and wet process for manufacturing the same Cloth prepreg and wet process for manufacturing the same

D - Textiles, Paper

06

M

D06M 15/705 (2006.01) B29B 15/12 (2006.01) B29C 70/50 (2006.01) C08J 5/04 (2006.01)

Patent

CA 2237708

A wet process for manufacturing a cloth prepreg with a uniform fibre distribution and large cover factor comprises impregnating a woven fabric with a diluted resin and drying, which fabric has a number of crossing points of warp and weft in the range of 2,000 to 70,000/m2, which process further comprises at least one of the steps (A) and (B), namely (A) a step of distributing a line-shaped binder on the fabric to fix the yarn flatness prior to impregnating the fabric with a resin diluted with a solvent, at least 80% of which solvent is a nonsolvent of the binder and, (B) a step of calendering the woven fabric after drying.

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