Abstract:
PREPARATION OF VINYL ACETATE FROM ETHYLENE, ACETIC ACID AND OXYGEN IN THE PRESENCE OF PALLADIUM ACETATE IN THE LIQUID PHASE AT 60 TO 180*C AND 5 TO 100 ATOMPSHERES PRESSURE IN THE PRESENCE OF 1 TO 20 MOLES, CALCULATED ON 1 GRAM ATOM OF PALLADIUM, OF A PYRIDINE BASE.
Abstract:
PREPARATION OF MIXTURES OF ACETALDEHYDE, ACETIC ACID AND VINYL ACETATE BY REACTING ETHYLENE WITH MOLECULAR OXYGEN AT 20 TO 200* C. AND 5 TO 150 ATMOSPHERES IN THE LIQUID PHASE IN THE ABSENCE OF MINERAL ACIDS AND ANIONS OTHER THAN ACETATE IONS AND IN THE PRESENCE OF A GROUP VIII NOBLE METAL, MANGANESE AND/OR COBALT ACETATE, AND WATER.
Abstract:
VINYL ACETATE IS PREPARED FROM ETHYLENE, OXYGEN AND ACETIC ACID IN THE GASEOUS STATE IN THE PRESENCE OF PALLADIUM COMPOUNDS AND ACETATES OF METALS OF THE MAIN GROUP I AND/OR THE GROUP 2 OF THE PERIODIC TABLE BY ADDITIONALLY FEEDING TO THE REACTION ZONE SMALL AMOUNTS OF THE CATALYTICALLY ACTIVE ACETATES.
Abstract:
Preparation of vinyl esters of carboxylic acids in the gaseous phase by reacting ethylene, oxygen and carboxylic acids at elevated temperatures in the presence of a catalyst consisting of a salt of a noble metal of the eighth group of the periodic system and 0.01 to 200 g. cadmium in the form of a cadmium salt of a carboxylic acid, this catalyst being supported on a carrier.