Dyeable polypropylene containing bisulfate
AssigneeStandard Oil Company (Indiana)
InventorsWassily W. Poppe, Mark D. Inskeep
Life of this patent
Estimating the term…
Abstract
Polypropylene compositions comprising resinous polymer of propylene, thermoplastic polymer containing amino groups and alkali metal bisulfate.
Claims27
A resinous composition comprising from about 40 to 99.4 parts by weight resinous polymer of propylene, from about 0.1 to 10 parts by weight alkali metal bisulfate and from 0.5 to 50 parts by weight thermoplastic amino polymer.
The process of producing a dyeable polypropylene shaped object which comprises extruding a resinous composition comprising from about 90 to 99.5 parts by weight resinous polymer of polypropylene, 10 to 0.5 parts by weight thermoplastic polymer containing amino groups and from 0.1 to 5 parts by weight alkali metal bisulfate.
A dyeable polypropylene shaped object comprising from about 90 to 99.5 parts by weight resinous polymer of polypropylene, 10 to 0.5 parts by weight thermoplastic polymer containing amino groups and from 0.1 to 5 parts alkali metal bisulfate.
Dependencies are inferred from the claim text.