摘要:
A PROCESS FOR DISSOLVING ELEMENTAL SULPHUR ENTRAINED IN A HYDROCARBON GAS IS DESCRIBED WHICH CONSISTS OF CONTACTING THE GAS WITH AN AQUEOUS SOLUTION CONTAINING FROM 5 TO 50 PERCENT BY WEIGHT OF MONOETHANOLAMINE AND THEN SEPARATING THE SULPHUR-LADEN SOLUTION FROM THE GAS.
摘要:
A cable filling composition comprising polybutene, microcrystalline wax, polyethylene and an antioxidant is disclosed which exhibits desirable electrical performance while having good handling characteristics and compatability with polyethylene cable insulation. The composition prevents water ingress in a telephone cable.
摘要:
An apparatus for extruding thermoplastic film is disclosed which includes a fully rotational die and an internal cooling means. The die and internal cooling means is rotatable relative to a reservoir for cooling liquid positioned below the die and coaxial therewith. As the die rotates, inlet and outlet conduits of the internal cooling means trace a circular path through the reservoir.
摘要:
COPOLYMERS OF CARBON MONOXIDE AND A ALKYLENE OXIDES ARE PREPARED BY POLYMERING THE MONOMERS AT ELEVATED TEMPERATURE AND PRESSURE IN THE PRESENCE OF A CATALYST SYSTEM COMPRISING A SALT OF A GROUP VIII METAL AND A NITROGEN-CONTAINING COMPOUND SELECTED FROM AMINES AND ALKANOLAMINES. THE SALTS ARE PREFERABLY HALIDES OR CARBONATES.