DEVULCANISATION PRODUCT CONSISTING OF SCRAP RUBBER, A DEVULCANISATION COMPOUND, A METHOD FOR PRODUCING SAME, THE REUSE THEREOF IN FRESH MIXTURES AND THE USE THEREOF FOR PRODUCING INJECTION MOULDED PARTS.
PATENT No. EP 1232205
The invention relates to a method for replastifying
used rubber powder wherein a powder mixture of
chemical activators is produced and subjected to
a mechanochemical treatment. Said method
improves bonding and co-vulcanization of the
mixture in an original fresh mixtureas well as
the surface quality of freely vulcanized articles
by briefly heating the mixture before conducting
mechanochemical treatment, wherein an
ester plasticizer is also added.