Abstract:
GELLED HYDROCARBON COMPOSITIONS ARE PROVIDED BY INCORPORATION OF A PLOLYVALENT METAL ACID SALT OF ALKYL OR ALKENYL SUBSTITUTED SUCCINIC ACID AS A GELLING AGENT.
Abstract:
NOVEL LIQUID CYCLIC POLYCARBOXYLIC ACID ANHYDRIDE MIXTURES WHICH ARE STABILIZED AGAINST DEPOSITION OF SOLIDS BY INCORPORATION OF A SMALL AMOUNT OF AT LEAST ONE POLYETHER POLYOL OF MORE THAN 12 CARBON ATOMS.
Abstract:
PRODUCTION OF STABLE LIQUID ORGANIC C ARBOXYLIC ANHYDRIDES BY ADDING TO AN UNSTABLE LIQUID ANHYDRIDE A FREEZETHAW STABILIZING AMOUNT OF AN ORGANIC ISOCYANATE OR CARBODIMIDE; IF DESIRED, THE RESULTANT LIQUID ANHYDRIDE MAY BE PURIFIED BY SUBJECTING THE SAME TO DISTILLATION TO RECOVER, AS DISTILLATE, A PURE ANHYDRIDE WHICH MAY BE STORED FOR EXTENDED PERIODS WITHOUT DEPOSITION OF SOLIDS.
Abstract:
A composition for increasing flame resistance of a step-reaction polymer comprising sulfamide and certain organic acids or their metal salts, a method of using the composition to treat the polymer and the resulting treated polymer.
Abstract:
DISCLOSED ARE UNCURED POLYEPOXIDE RESIN COMPOSITIONS COMPRISING A POLYEPOXIDE CONTAINING OXIRANE GROUPS TOGETHER WITH A METHYL-NORBORNANE-2,3-DICARBOXYLIC ANHYDRIDE AS CURING AGENT, PREFERABLY IN THE PRESENCE OF AN ACCELERATING AGENT, SUCH AS A TERTIARY AMINE OR AN ORGANO METALLIC COMPOUND, AND CURED POLYEPOXIDE RESINS PRODUCED THEREFROM. ALSO DISCLOSED IS PRODUCTION OF NOVEL LIQUID ANHYDRIDE COMPOSITIONS COMPRISING A MIXTURE OF 1AND 5-METHYL-NORBORNANE-2,3-DICARBOXYLIC ANHYDRIDES PRESENT IN A WEIGHT RATIO NO GREATER THAN ABOUT 3:1, AT LEAST ABOUT 40 WEIGHT PERCENT OF SAID 5-METHYL ISOMERS OF SAID MIXTURE BEING OF EXO-CONFIGURATION, BY HEATING AN ANHYDRIDE MIXTURE COMPRISING ENDO-1- AND 5-MEHTYL-5NORBORNENE 2,3-DICARBOXYLIC ANHYDRIDES AT AN ELEVATED TEMPERATURE IN THE PRESENCE OF HYDROGEN. THE POLYEPOXIDE COMPOSITIONS DISCLOSED ARE SUBSTANTIALLY LESS VOLATILE DURING CURING AT ELEVATED TEMPERATURES, AND CURED RESINS PRODUCED THEREFROM EXHIBIT SUPERIOR MECHANICAL PROPERTIES AND ARE OF LIGHTER COLOR AS COMPARED WITH CURED RESINS PRODUCED FROM POLYEPOXIDE COMPOSITIONS DERIVED FROM KNOWN CYCLOALIPHATIC ANHYDRIDE CURATIVES. THE LIQUID NOVEL ANHYDRIDE COMPOSITIONS DISCLOSED ARE STORAGE STABLE FOR EXTENDED PERIODS OF TIME WITHOUT DEPOSITION OF SOLIDS AND CHANGE OF COLOR, AND ARE STABLE TO CHANGES IN TEMPERATURES BELOW DISTILLATION TEMPERATURES.
Abstract:
A nitrogen containing organic polymer composition and process for preparing same comprising treating a nitrogen containing organic polymer with from about 0.5 to about 25 weight percent of substituted or unsubstituted sulfamide.
Abstract:
A process for increasing the flame resistance of nylon comprising treating the nylon with a heterocyclic ring compound which contains both sulfur and nitrogen and the resulting flame resistant nylon composition.
Abstract:
Toluenediamine mixtures comprising at least about 96 percent by weight of vicinal toluenediamine isomers and not more than about 4 percent by weight of nonvicinal isomers, said mixtures being adapted for conversion to bz-methyl-1-H-benzotriazoles in high yields.