Browse Prior Art Database

Dispersing Agent for Iron Oxide

IP.com Disclosure Number: IPCOM000097387D
Original Publication Date: 1962-Nov-01
Included in the Prior Art Database: 2005-Mar-07
Document File: 1 page(s) / 11K

Publishing Venue

IBM

Related People

Marchese, MA: AUTHOR

Abstract

Magnetic oxide tape stickiness can be eliminated where the iron oxide binder system is a cured blend of an elastomeric copolymer of acrylonitrile-butadiene and an uncured thermosetting phenolic resin. The use of iron oxide dispersants, having a ring structure in their molecular configuration, alleviates dispersant incompatibility with the binder system and its resultant tendency to migrate to the tape surface to cause sticking.

This text was extracted from a PDF file.
This is the abbreviated version, containing approximately 100% of the total text.

Page 1 of 1

Dispersing Agent for Iron Oxide

Magnetic oxide tape stickiness can be eliminated where the iron oxide binder system is a cured blend of an elastomeric copolymer of acrylonitrile-butadiene and an uncured thermosetting phenolic resin. The use of iron oxide dispersants, having a ring structure in their molecular configuration, alleviates dispersant incompatibility with the binder system and its resultant tendency to migrate to the tape surface to cause sticking.

The three dispersants which are compatible with the binder system to the extent of eliminating tape stickiness are: (1) a weakly cationic, substituted oxazoline, amine type compound, (2) nonionic, nonyl phenoxy polyethylene ethanol, and (3) nonionic, nonyl phenyl polyethylene glycol ether.

1