Method and device for producing a reinforced plastic...

C - Chemistry – Metallurgy – 08 – J

Patent

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Details

C08J 5/04 (2006.01) C08L 101/00 (2006.01) B29C 45/00 (2006.01) B29C 47/00 (2006.01) B29C 49/04 (2006.01) B29C 70/58 (2006.01)

Patent

CA 2418057

The invention relates to a method for the production f a reinforced plastic component, in particular, by injection moulding, extruding or extrusion blowing, whereby a thermoplastic base material is prepared as a melt and a reinforcing material obtained from plant material is introduced. Said reinforcing material is in the form of comminuted shavings which may be poured and dispensed, in particular, derived from annual plants and/or similarly comminuted woody components from china red. The above material is added to the melt of the base material and mixed to give a homogeneous material, whereby the reinforcing material essentially contains no fractions of fibrous material which effect the ability thereof to be poured or dispensed.

La présente invention concerne un procédé de réalisation d'un élément structurel plastique renforcé, notamment par moulage par injection, par extrusion ou par extrusion-soufflage. D'après ledit procédé, un matière de base thermoplastique est rendue à l'état de masse fondue et une matière de renfort obtenue à partir de matières minérales, est introduite. Selon l'invention, en tant que matière de renfort sont ajoutés à la masse fondue de la matière de base, et mélangés avec celle-ci de manière homogène, des chènevottes fragmentées pour se présenter sous une forme où elles peuvent être déversées ou s'écouler, issues notamment de plantes annuelles, et/ou des constituants de bois ainsi fragmentés issus du roseau de Chine, et la matière de renfort ne contient pas de fraction de matière fibreuse, ou contient des fractions de matière fibreuse qui n'altèrent sensiblement pas son aptitude à être déversée ou à s'écouler.

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