Abstract:
A polyester-polysulfide-polythiol curing agent which is the reaction product of a polyol and a mixture of a mercaptoalkanoic acid and a thiodialkanoic acid. This curing agent is employed to cure epoxy resins.
Abstract:
MERCURY COMPOUNDS CAN BE REMOVED FROM AQUEOUS SOLUTIONS BY EXTRACTING THE SOLUTION WITH WATER INSOLUBLE ORGANIC SULFIDES OR DISULFIDES, INCLUDING MIXTURES THEREOF. THE INSOLUBLE ORGANIC PHASE CAN BE READILY SEPARATED FROM THE AQUEOUS PHASE.
Abstract:
CORROSION OF METAL SURFACES IN AN ACIDIC ENVIRONMENT IS REDUCED BY THE USE OF CORROSION INHIBITOR COMPOSITIONS COMPRISING A MIXTURE OF AT LEAST ONE COMPOUND SELECTED FROM THE GROUP CONSISTING OF DIALKYL SULFIDES AND DIALKYL SULFOXIDES AND AT LEAST ONE SURFACE-ACTIVE AGENT.
Abstract:
A POLYESTER-POLYSULFIDE-POLYTHIOL CURING AGENT WHICH IS THE REACTION PRODUCT OF A POLYOL AND A MIXTURE OF A MERCAPTOALKANOIC ACID AND A THIODIALKANOIC ACID. THIS CURING AGENT IS EMPLOYED TO CURE EPOXY RESINS.
Abstract:
POLYRURETHANE PREPOLYMER AND POLYURETHANE COATINGS ARE PREPARED BY REACTING UNDR PREPOLYMER FORMING CONDITIONS A NEW DIISOCYANTO SULFONE WITH A POLYOL. IMPORTANTLY, THE DIISOCYANATO SULFONE WHICH ARE USED AS STARTING MATERIAL HAVE A RELATIVELY LOW TOXIITY BECAUSE THEY ARE POSSESSED OF RELATIVELY LOW VOLATILITY
Abstract:
ORGANOTIN MERCAPTIDES HAVING THE FORMULA
R2SN(SR''OR")2,
WHEREIN EACH R AND EACH R2 IS INDIVIDUALLY SELECTED FROM THE GROUP CONSISTING OF MONOVALENT HYDROCARBON RADICALS AND EACH R'' IS INDIVIDUALLY SELECTED FROM THE GROUP CONSISTING OF DIVALENT HYDROCARBON RADICALS. THE TITLE COMPOUNDS ARE USEFUL STABILIZING AGENTS FOR POLYMERIC MATERIALS.
Abstract:
A GAS ODORANT COMPRISING AN (ALKYLTHIO)ALKYL MERCAPTAN, SUITABLE AS A WARNING AGENT FOR GASEOUS HYDROCARBON FUELS. IN ONE EMBODIMENT THE (ALKYLTHIO)ALKYL MERCAPTAN ENHANCES THE EFFECT OF CONVENTIONAL ODORANT MIXTURES.
Abstract:
A COMPOSITION AND METHOD SUITABLE FOR REMOVAL OF TARNISH FROM METAL SURFACES, SUCH AS COPPER, SILVER, TIN, LEAD, ZINC, CADMIUM, AND ALLOYS THEREOF. THE COMPOSITION COMPRISES ONE OR MORE MERCAPTOAMIDES OR MERCAPTOIMIDES, OPTIONALLY INCLUDING AN ABRASIVE AND-OR DILUENT.
Abstract:
The addition of a small amount of an alkyl sulfenyl N,N-dialkyl dithiocarbamate to lubricating oils, gear oils, greases, and the like improves the various properties thereof including the higher pressure properties, the stability of the so-treated lubricants against oxidation and rust, as well as antiwear properties, antiscuffing properties, and the like.