Magnetic recording carrier containing radiation hardenable dispe

Details Magnetic recording carrier containing radiation hardenable dispe Magnetic recording carrier containing radiation hardenable dispe

1986-10-06

1987-08-18

Pianalto, Bernard D.

Stock material or miscellaneous articles

Composite

Of polyamidoester

427 36, 427 44, 427128, 427130, 428481, 428522, 428694, 428900, H01F 1002

Patent

active

046877096

ABSTRACT:
This invention relates to a magnetic recording carrier in which the magnetic layer and/or the backing layer contains, in addition to the usual additives, radiation hardenable dispersing agents based on ethylenically unsaturated phosphoric acid ester mixtures capable of forming bataine type stuctures and consisting of reaction products of (A) an acrylic acid ester and/or oligo acrylate containing 1 OH group per molecule, (B) a tertiary alkylamine containing 1 OH group per molecule and (C) phosphorus pentoxide, the reaction products having acid numbers below 200.

REFERENCES:
patent: 4526837 (1985-07-01), Ohtsuki et al.

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