초록 ▼

A needled mat adapted to reinforce a thermoplastic matrix material to form a composite, the mat including: (a) a plurality of discontinuous glass monofilaments present in an amount ranging from at least about 30 weight percent to about 99 weight percent of the mat on a total solids basis and having

A needled mat adapted to reinforce a thermoplastic matrix material to form a composite, the mat including: (a) a plurality of discontinuous glass monofilaments present in an amount ranging from at least about 30 weight percent to about 99 weight percent of the mat on a total solids basis and having a filament coating composition thereon which is compatible with a thermoplastic matrix material; and (b) a plurality of discontinuous glass fiber strands and having a strand coating composition thereon which is compatible with the thermoplastic matrix material, wherein the glass monofilaments and glass fiber strands are essentially uniformly distributed throughout the mat.

대표청구항 ▼

[ Therefore, we claim:] [1.] A mat adapted to reinforce a thermoplastic matrix material, the mat comprising:(a) a plurality of glass monofilaments present in an amount ranging from at least about 30 weight percent to about 99 weight percent of the mat on a total solids basis, the plurality of glass

[ Therefore, we claim:] [1.] A mat adapted to reinforce a thermoplastic matrix material, the mat comprising:(a) a plurality of glass monofilaments present in an amount ranging from at least about 30 weight percent to about 99 weight percent of the mat on a total solids basis, the plurality of glass monofilaments having a mean average length ranging from about 5 to about 150 millimeters and having a filament coating composition which is compatible with a thermoplastic matrix material applied to at least a portion of surfaces of the glass monofilaments; and(b) a plurality of glass fiber strands, each glass fiber strand having at least about 100 generally parallel glass fiber monofilaments, the plurality of glass fiber strands having a mean average length ranging from about 5 to about 150 millimeters and having a strand coating composition which is compatible with the thermoplastic matrix material applied to at least a portion of surfaces of the glass fiber strands; rein the mat has a mat surface weight greater than about 200 grams per square meter, the glass monofilaments and glass fiber strands are essentially uniformly distributed throughout the mat and at least a portion of the glass monofilaments are entangled with at least a portion of the glass fiber strands by needling the portions together.