Heritage Environmental Services, LLC

Heritage Research Group

Sibel Selcuk

Perry Eyster

A method of producing sulfur modified organosilane compounds that can be used in asphalt binders which method involves: combining together an organosilane or mixtures of organosilanes, a sulfide, a halogen acceptor and solvent to form a reaction mixture; and allowing the organosilane to react with the sulfide in the presence of a halogen acceptor to produce a sulfur modified organosilane compound. The sulfur modified organosilane compound can be introduced into a polymer modified or unmodified asphalt binder in which the sulfur modified organosilane compound reacts with components in the asphalt mixture to form a modified asphalt. The organosilanes used to produce the sulfur modified organosilanes can be from a source of waste products (such as Direct Product Residue) in which case the waste products can be reused in asphalt binders.

Method for preparing silicon&#x2014;sulfur compounds and their use in bitiminous compositions

A method of removing organosilanes from a sample which involves contacting the sample with silica and allowing the organosilanes to couple to the surface of the silica. The silica can be provided as particles that are added to and mixed with the sample, or provided as a reactive filter media to which the sample is contacted.

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Westfield, IN, United States of America

Sibel Selcuk