Method for producing agglomerates having rubber and wax, agglomerates produced according to the method, and use of the agglomerates in asphalt or bitumen masses

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United States of America Patent

PATENT NO 9102834
APP PUB NO 20130116364A1
SERIAL NO

13809657

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Abstract

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A method for producing bulk good of agglomerates made of rubber particles and wax. A composition of the agglomerate and the use of the bulk good to produce asphalt or bitumen masses are created in that rubber is activated by swelling and using a swelling agent and a melt made of viscosity-reducing wax and of optional polyoctenamer is added, the activated rubber particles are agglomerated by means of the viscosity-reducing wax and optional adhesion-improving substances. The resulting larger volume leads to a viscosity reduction and the softening leads to a more intimate and more homogeneous wetting with the wax and, in the mixed good to be produced, a viscosity reduction remaining stable in the mixed good for <180 min and an increased stability of the cross-linking of the rubber molecules among each other after the agglomerates have been incorporated are achieved.

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Patent Owner(s)

Patent OwnerAddress
SASOL GERMANY GMBHANCKELMANNSPLATZ 1 HAMBURG 20537

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Inventor(s)

Inventor Name Address # of filed Patents Total Citations
Butz, Thorsten Buchholz, DE 5 39
Nölting, Matthias Hamburg, DE 1 17
Winkelmann, Gunnar Glinde, DE 1 17

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