Synthetic resins or natural rubbers -- part of the class 520 ser – Synthetic resins – Mixing of two or more solid polymers; mixing of solid...
Patent
1996-11-12
1998-01-27
Short, Patricia A.
Synthetic resins or natural rubbers -- part of the class 520 ser
Synthetic resins
Mixing of two or more solid polymers; mixing of solid...
525127, 525502, C08L 3318, C08L 7512
Patent
active
057123454
ABSTRACT:
A polymeric binder system useful for a magnetic recording medium, the polymeric binder system and comprising a hard resin component comprising a nonhalogenated vinyl copolymer and a soft resin component comprising a polyurethane having a phosphonate diester group. The binder system is useful for preparing the magnetic layer and/or backside coating of magnetic recording media, in order to provide media that demonstrate an improved combination of such as modulus, Tg, and smoothness.
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Carlson James G.
Erkkila Ruth M.
Evans Christopher M.
Greczyna James A.
Kumar Ramesh C.
Kagan David B.
Minnesota Mining and Manufacturing Company
Moeller Zerull Susan
Short Patricia A.
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