Method for producing moulded bodies, moulded body and...

Details Method for producing moulded bodies, moulded body and... Method for producing moulded bodies, moulded body and...

B - Operations, Transporting

27

N

B27N 1/02 (2006.01) B27N 9/00 (2006.01)

Patent

CA 2303870

The invention relates to a method for producing moulded bodies, especially chip boards or fibre boards, wherein a solid duroplastic is added to a defibrateable base material with a moisture content of at least 9 wt. %. The duroplastic and the base material are subjected to a treatment for gluing purposes, whereby the base material is simultaneously defibrated and mixed with the duroplastic and the glued and optionally post-treated fibre-moulding material thus obtained is shaped into a moulded body. The invention also relates to a moulded body, comprising a fibre material and a binding agent based on a duroplast which is solid at room temperature.

L'invention concerne un procédé de production de pièces moulées, notamment de panneaux d'aggloméré et de fibres de bois, selon lequel une matière thermodurcissable solide est ajoutée à une matière de base pouvant être défibrée et ayant une teneur en humidité d'au moins 9 % en poids. La matière thermodurcissable et la matière de base sont soumises à un traitement aux fins d'encollage. La matière de base est simultanément défibrée et mélangée à la matière thermodurcissable. La matière moulable fibreuse encollée et éventuellement soumise à un traitement ultérieur, ainsi obtenue, est façonnée en pièce moulée. L'invention concerne également une pièce moulée comprenant une matière fibreuse et un agent liant à base d'une matière thermodurcissable solide à température ambiante.

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