Glass matt reinforced thermoplastics suitable for the...

B - Operations – Transporting – 32 – B

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B32B 17/04 (2006.01) C08J 5/04 (2006.01) C08J 7/04 (2006.01) C08K 3/00 (2006.01) C08K 7/00 (2006.01)

Patent

CA 2199106

Glass matt reinforced thermoplastics suitable for the production of paintable parts, comprising a) a thermoplastic matrix polymer of a viscosity under processing conditions corresponding to a melt flow index (MFI 230/2.16) of polypropylene of at least 250 g/10 min and b) one or more glass matts which, upon heating, bring about an expansion of the glass matt reinforced thermoplastics to at least 2.5 times the original thickness, optionally in combination with c) an addition of fine-particle, mineral fillers.

Thermoplastiques renforcés par des mats de fibres de verre convenant à la production d'éléments peinturables comprenant a) une matrice polymérique thermoplastique dont la viscosité, dans les conditions de traitement, correspond à un indice de fluage (MFI 230/2.16) du polypropylène d'au moins 250 g/10 min et b) un mat de fibres de verre ou plus qui, après traitement thermique, provoque une expansion du thermoplastique renforcé par des mats de fibres de verre d'au moins 2,5 fois son épaisseur initiale, facultativement en combinaison avec c) l'addition de charges minérales sous forme de fines particules.

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