Abstract:
THIS INVENTION IS DIRECTION TO A COMPOSITION COMPRISING A POLYMER AND A NOVEL STABILIZER OF THE FORMULA:
2-(R2-O-),(R1)N1-1,3,2-BENZODIOXAPHOSPHOLE
IN WHICH R2 IS SELECTED FROM THE GROUP CONSISTING OF ARYL AND SUBSTITUTED ARYL, R1 IS SELECTED FROM THE GROUP CONSISTING OF ALKYL, SUBSTITUTED ALKYL, ARYL AND SUBSTITUTED ARYL, AND N1 IS FROM 0 TO 4. WHERE N1 IS MORE THAN 1, THE SUBSTITUENTS R1 MAY BE THE SAME OR DIFFERENT. POLYMERS STABILIZED IN THE PRACTICE OF THIS INVENTION INCLUDE POLYETHYLENE, POLYPROPYLENE, ACRYLONITRILE-BUTADIENE-STYRENE COPOLYMERS AND POLYSTYRENE.
Abstract:
Trivalent phosphorus halides and tertiary phosphites react readily with a para-quinone to produce arylene phosphitephosphate derivatives useful as flame retardants for organic materials.
Abstract:
A COMPOUND SELECTED FROM THE GROUP CONSISTING OF
(R2)(3-B)-N-(R3-COO-P AND (R2)(3-B)-N-(R3-COO-P WHEREIN R IS INDEPENDENTLY SELECTED FROM THE GROUP CONSISTING OF HYDROGEN AND ALKYL, R2 IS INDEPENDENTLY SELECTED FROM THE GROUP CONSISTING OF ALKYL RADICALS OF 1 TO 12 CARBON ATOMS, AND ARYL RADICALS OF 6 TO 18 CARBONS ATOMS, R3 IS INDEPENDENTLY SELECTED FROM THE GROUP CONSISTING OF ALKYLENE OF 1 TO 4 CARBON ATOMS, A IS A CALCOGEN INDEPENDENTLY SELECTED FROM THE GROUP CONSISTING OF OXYGEN AND SULFUR, B IS 1 TO 3 AND N IS 0 TO 1. THE COMPOUNDS ARE PREPARED BY REACTING UNDERANHYDROUS CONDITIONS A PHOSPHOROHALIDITE WITH THE COMPOUND
(R2)(3-B)-N-(R3-COO-M)B
WHEREIN M IS SELECTED FROM THE GROUP CONSISTING OF AMMONIUM, ALKALI METAL AND ALKALINE EARTH METAL. THE COMPOUNDS ARE USEFUL AS CHEMICAL INTERMEDIATES, STABILIZERS, PLASTICIZERS, GASOLINE OR LUBRICATING OIL ADDITIVES, OR FLAME RETARDING ADDITIVES.
Abstract:
CYCLIC PHOSPHITES, SUCH AS PHENYL NEOPENTYL PHOSPHITE ARE PRODUCED BY REACTING PHENOL IN THE MELT WITH A CRUDE REACTIIION PRODUCT OF PCL3 AND A 2,2-DI-LOWER ALKYL-1,3-PROPANE GLYCOL AND RECOVERING THE DESIRED PRODUCT BY DISTILLATION. THE CYCLIC PHOSPHITES ARE USEFUL AS STABILIZERS FOR ORGANIC COMPOSITIONS SUCH AS RUBBER AND POLYVINYL CHLORIDE.