Polyethylene ahesives

Claim 1

AN ADHESIVE COMPOSITION CAPABLE OF BONDING POLYETHYLENE SURFACES WHEN PLACED IN CONTACT THEREWITH AND HEATING THE RESULTANT BODY AT 75* TO 85*C. FOR 24 TO 48 HOURS, THUS PRODUCING A BOND HAVING A SHEAR STRENGTH GREATER THAN 500 P.S.I., SAID COMPOSITION COMPRISING A MIXTURE OF (1) 40 TO 70% OF AN OIL SELECTED FROM THE GROUP CONSISTING OF UNSATURATED NATURAL DRYING OILS HAVING AN IODINE VALUE ABOVE 100, LINOLEIC ACID, AND UNSATURATED SYNTHETIC DRYING OILS WHEREIN THE POLYHYDRIC ALCOHOL COMPONENT OF AN UNSATURATED NATURAL DRYING OIL HAVING AN IODINE VALUE ABOVE 100 IS REPLACED BY A DIFFERENET POLYHYDRIC ALCOHOL HAVING MORE THAN TWO CARBONS, SAID DIFFERENT POLYHYDRIC ALCOHOL COMPONENT BEING COMBINED WITH THE FATTY ACID COMPONENT OF SAID UNSATURATED NATURAL DRYING OIL, (2) 2 TO 65% TACKIFYING AGENT SELECTED FROM THE GROUP CONSISTING OF CHLORINATED PARAFFINS, CHLORINATED RUBBERS, POLYMERS OF 2-CHLOROBUTADIENE-1,3, AND MIXTURES OF CHLORINATED POLYPHENYLS, (3) 1 TO 50% OF HYDROCARBON SOLUBLE MONOMER CAPABLE OF COPOLYMERIZATION WITH SAID DRYING OIL, SAID MONOMER BEING SELECTED FROM THE CLASS CONSISTING OF STYRENE, METHYL STYRENE, AND METHACRYLIC ACID, AND (4) 0.5 TO 7% OF CATALYTIC MATERIAL COMPRISING A MEMBER OF THE CLASS CONSISTING OF COBALT NAPHTHENATE, IRON NAPHTHENATE, AND MANGANESE NAPHTHENATE IN COMBINATION WITH A MEMBER OF THE CLASS CONSISTING OF BENZOYL PEROXIDE, SULFURYL CHLORIDE, METHYL ETHYLE KETONE PEROXIDE, AND CUMENE HYDROPEROXIDE.