Fiber-reinforced thermoplastic molding compositions

Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – At least one aryl ring which is part of a fused or bridged...

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524537, 524538, 4284234, C08L 7500

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active

053346475

ABSTRACT:
Thermoplastic molding compositions and articles comprise immiscible thermoplastic polymer components and reinforcing fibers. The immiscible thermoplastic polymer components and the fibers are blended together under high shear conditions. The molding composition generally contains at least two phases and has an extremely smooth and fiber-free surface. Generally, very good physical properties are obtained such as high impact resistance, high heat distortion temperatures, high tensile modulus, high flex modulus, and the like. A desired blend of thermoplastic components is thermoplastic polyurethane and polyethyleneterephthalate with glass fibers.

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