COAL TAR PITCH MODIFIED BY NITRILE BUTADIENE RUBBER

A modified coal tar pitch useful in roofing applications, containing coal ta r pitch, and a nitrile butadiene rubber, is blended by heating the coal tar pi tch to a molten temperature, adding the rubber in powder form and agitating the mater ial in a suitable high shear mixing apparatus until adequa...

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Bibliographic Details
Main Author MELLOTT, JOSEPH W
Format Patent
LanguageEnglish
French
Published 30.09.2003
Edition6
Subjects
CHEMISTRY
COMPOSITIONS BASED THEREON
COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
METALLURGY
ORGANIC MACROMOLECULAR COMPOUNDS
THEIR PREPARATION OR CHEMICAL WORKING-UP
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Summary:A modified coal tar pitch useful in roofing applications, containing coal ta r pitch, and a nitrile butadiene rubber, is blended by heating the coal tar pi tch to a molten temperature, adding the rubber in powder form and agitating the mater ial in a suitable high shear mixing apparatus until adequate phase inversion occurs between the polymer and the coal tar phase. After preparation, the material is cooled in containers until use, at which time it is heated to a flowable tem perature and applied using a roofing mop or squeegee.
Bibliography:Application Number: CA19982234329