Abstract:
An article of manufacture and a process for producing same is provided. The article is comprised of discrete particulate matter bound into a solid resilient mass by a binder material comprised of a butadiene-styrene copolymer and a tackifying resin.
Abstract:
COMPOSITION COMPRISES ESSENTIALLY (A) AN AMORPHOUS POLYPROPYLENE, AS CAN BE OBTAINED IN PRODUCTION OF CRYSTALLINE POLYPROPYLENE, WHICH CAN CONTAIN UP TO ABOUT 5 PERCENT ETHYLENE IN THE POLYMER, THE POLYMER BEING SOLUBLE IN LOW BOILING SATURATED HYDROCARBONS HAVING UP TO ABOUT FIVE CARBON ATOMS IN THE MOLECULE, (B) A RUBBER BLOCK COPOLYMER OF BUTADIENE-STYRENE IN APPROXIMATE RATIOS OF FROM 60:40 TO 80:20, RESPECTIVELY IN SOLUTION IN AROMATIC EXTENDER OIL CONTAINING APPROXIMATELY 40-65 PERCENT WEIGHT OF THE RUBBER COPOLYMER, (C) ASBESTOS FIBERS, PREFERABLY SHORTS, IN FOLLOWING APPROXIMATE WEIGHT PERCENT PROPORTIONS: AMORPHOUS POLYPROPYLENE, 25-40, RUBBER/OIL BLEND, 45-25, ASBESTOS FIBERS, 30-35, THE COMPOSITION BEING APPLIED USUALLY BY ADJUSTING TO REQUIRED CONSISTENCY WITH HYDROCARBON SOLVENT, E.G. STODDARD SOLVENT, SAY 5-10 WEIGHT PERCENT OF SOLVENT ADDED TO COMPOSITION FOR CAULKING AND SAY 10-20 WEIGHT PERCENT ADDED FOR SPRAY APPLICATION AS SEALANT. THE APPLIED COMPOSITION RETAINS RESILIENCY AND ADHESION OVER A WIDE RANGE OF TEMPERATURE E.G. -40 TO 140*F. AND IS USEFUL TO SEAL AGAINST MOISTURE, ETC, CEMENT SURFACES, ASPHALT-CONCRETES, CRACKS, JOINTS, LEAKS AND TO RENDER THE RESISTENT TO CHEMICAL ATTACKS.
Abstract:
Compositions comprising cut-back, air-blown asphalt, asbestos fibers and fluidized coke derived from the refining of heavy crude oils when used to seal pavement surfaces display improved anti-skid properties and resistance to wear.
Abstract:
THE LOW TEMPERATURE DUCTILITY OF ASPHALTS IS IMPROVED BY INCORPORATION OF A SMALL AMOUNT OF A BLEND COMPRISING RUBBER, A HEAVY RESIDUAL PETROLEUM OIL HIGH IN AROMATICS, AND CARBON BLACK. ASPHALTS CONTAINING A LIQUID OIL-RUBBERCARBON BLACK BLEND CAN BE USED IN PAVING COMPOSITIONS AND THE LIKE.