Abstract:
The liquid phase thermally induced cyclodehydration of N-( omega -hydroxyalkyl) alkyl and aryl carboxylamides to afford cyclic iminoethers is catalyzed by compounds of manganese, cobalt, molybdenum, tungsten and the rate earth metals.
Abstract:
The liquid phase thermally induced cyclodehydration of N-( omega -hydroxyalkyl) alkyl and aryl carboxylamides to afford cyclic iminoethers is catalyzed by compounds of manganese, cobalt, molybdenum, tungsten and the rare earth metals.
Abstract:
AN IMPROVED HAIR DRESSING FORMULATION CONTAINING (A) FROM ABOUT 0.1 TO ABOUT 10 WEIGHT PERCENT OF A WATERDISPERSIBLE POLYMER HAVING A REDUCED VISCOSITY RANGING FROM ABOUT 0.5 TO ABOUT 5.0 AS DETERMINED ON A 0.52 WEIGHT PERCENT SOLUTION OF POLYMER IN META-CRESOL AT25*C., SAID POLYMER BEING SELECTED FROM THE GROUP CONSISTING OF HOMOPOLYMERS AND COPOLYMERS OF MONOMERS OF THE FORMULA:
2-R-4-OXAZOLINE
WHEREIN R IS A SUBSTITUENT SELECTED FROM THE GROUP CONSISTING OF
CH3-, C2H5-, CH3-(CH2)(N-1)-COO-(CH2)M-,
CH3-(CH2)(N-1)-OOC-(CH2)M-
WHEREIN THE SUM OF THE INTEGERS M AND N IS NOT GREATER THAN 6, AND
NC-(CH2)K-, (CH3-)2-N-CO-(CH2)K-
WHEREIN K IS 0 TO 3; AND (B) A CARRIER FOR SAID POLYMER SELECTED FROM THE GROUP CONSISTING OF WATER, ETHANOL, ISOPROPANOL, AND MIXTURES THEREOF.
Abstract:
THIS SPECIFICATION DISCLOSES A NOVEL AROMATIC COMPOSITIONS CONTAINING TWO FLUOROALKYL SUBSTITUENTS EACH CONTAINING AT LEAST FOUR PERFLUORINATED CARBON ATOMS. THESE COMPOSITIONS ARE PREPARED BY REACTING A PHENYLENE DIAMINE, AMINOPHENOL OR DIHYDROXYBENZENE, SUBSTITUTED OR UNSUBSTITUTED, WITH A POLYFLUOROALKYL CARBOXYLIC ACID OR A POLYFLUOROALKYOXYALKYL CARBOXYLIC ACID, OR THE CORRESPONDING ACID HALIDE, ESTER OR ANHYDRIDE OF THESE ACIDS. THE NOVEL COMPOSITIONS OF THE INVENTION ARE USEFUL AS OIL REPELLENT COATINGS AND SIZES, PARTICULARLY FOR TEXTILES.
Abstract:
BLOCK COPOLYMERS PREPARED FROM 2-SUBSTITUTED-$2-OXAZOLINES AND 2-SUBSTITUTED-5,6-DIHYDRO-4H-1,3-OXAZINES ARE EXCELLENT ANTISOILANTS FOR A WIDE VARIETY OF SUBSTRATE MATERIALS. THESE BLOCK COPOLYMERS ARE PREPARED BY FIRST HOMOPOLYMERIZING EITHER OXAZINE OR OXAZOLINE MONOMER; THEN THE OTHER MONOMER IS ADDED TO THE FIRST-FORMED BASE POLYMER. THE SECOND MONOMER WILL ADD ON TO THE END OF THE FIRST-FORMED BASED POLYMER AND HOMOPOLYMERIZE, THEREBY FORMING BLOCK COPOLYMERS CONSISTING ESSENTIALLY OF JOINED OXAZINE AND OXAZOLINE HOMOPOLYMER CHAINS. A SURFACE COATING OF THESE BLOCK COPOLYMERS SIGNIFICANTLY INHIBITS SOILING OF THE COATED SUBSTRATE. ALSO, WHEN DEPOSITED ON THE SURFACE OF, OR INCORPORATED INTO A SUBSTRATE, THE BLOCK COPOLYMERS ARE EFFECTIVE ANTISTATS.