Method of reclaiming crosslinked rubber and molding of...

B - Operations – Transporting – 29 – B

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B29B 17/00 (2006.01) B29B 17/02 (2006.01) C08J 11/10 (2006.01)

Patent

CA 2375136

The object of the present invention is to provide a method of reclaiming crosslinked rubber wherein a reduction of qualities due to generation of decomposed products hardly occurs, and a molding of reclaimed rubber. In a reclamation step of reclaiming crosslinked rubber by applying shear stress thereto and/or in a subsequent step in the present invention, a degasification carrier is introduced and decomposed products in the crosslinked rubber 10 are removed together with the degasification carrier. Also the disclosed is a molding of reclaimed rubber prepared by re-crosslinking reclaimed rubber obtained by this method.

L'invention concerne un procédé de regénération du caoutchouc réticulé dont la qualité a moins tendance à se détériorer en générant un produit de décomposition. Ce procédé consiste à incorporer un support de dégazage dans un caoutchouc réticulé (10) dans une étape de régénération au cours de laquelle une force de cisaillement est appliquée au caoutchouc réticulé (10) pour le regénérer et/ou au cours d'une dernière étape. Ce procédé consiste aussi à retirer le support de dégazage avec un produit de décomposition qui a été généré dans le caoutchouc réticulé (10). L'article moulé est produit en réticulant de nouveau le caoutchouc regénéré ainsi obtenu.

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