Binder composition for magnetic recording tape

Details Binder composition for magnetic recording tape Binder composition for magnetic recording tape

1979-02-07

1981-03-17

Hamrock, William F.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

Ethylenically unsaturated reactant admixed with a preformed...

252 6254, 427127, 427128, 427129, 427131, 427132, 525123, 525125, 525129, C08K 328, C08K 316, C08G 1804, C08G 1802

Patent

active

042568528

ABSTRACT:
A binder composition for magnetic recording tape which comprises polyisocyanate and a vinyl chloride-vinyl acetate copolymer non-reactive with the polyisocyanate, the copolymer being used in larger proportion. A resin or elastomer which is not reactive with the polyisocyanate may be added as a third component to impart flexibility or other desirable properties to the magnetic layer of tape.

REFERENCES:
patent: 2606162 (1952-08-01), Coffey et al.
patent: 2893969 (1959-07-01), Graham et al.
patent: 3144352 (1964-08-01), Talley
patent: 4068040 (1978-01-01), Yamada et al.

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