公开(公告)号：DE3381028D1

公开(公告)日：1990-02-01

申请号：DE3381028

申请日：1983-07-11

Applicant: BASF AG

Inventor： LEHNER AUGUST ,  VELIC MILAN DR ,  KOPKE HELMUT ,  BALZ WERNER DR ,  LENZ WERNER DR ,  BAUR REINHOLD DR ,  MELZER MILENA

IPC: C08L75/04 ,  G11B5/702

Abstract: Magnetic recording media comprising a non-magnetic base which is provided with a magnetic layer which consists essentially of a dispersion of an anisotropic magnetic material in a mixture of an OH-containing polyurea-urethane binder, which is crosslinked with a polyisocyanate, with a physically drying binder.

公开(公告)号：DE3276884D1

公开(公告)日：1987-09-03

申请号：DE3276884

申请日：1982-12-11

Applicant: BASF AG

Inventor： MELZER MILENA ,  SCHNEIDER NORBERT ,  KOPKE HELMUT ,  SCHOETTLE KLAUS ,  KOESTER EBERHARD DR ,  BALZ WERNER DR ,  GRAU WERNER DR

IPC: C08L75/06 ,  C09D5/23 ,  C09D171/00 ,  C09D171/10 ,  C09D175/06 ,  G11B5/70 ,  G11B5/702 ,  G11B5/84 ,  G11B5/842

公开(公告)号：DE3461230D1

公开(公告)日：1986-12-11

申请号：DE3461230

申请日：1984-12-14

Applicant: BASF AG

Inventor： LEHNER AUGUST DIPL ING ,  KOHL ALBERT ,  BALZ WERNER DR ,  SOMMERMANN FRIEDRICH DR ,  VELIC MILAN DR DIPL ING ,  GRAU WERNER DR ,  BAUR REINHOLD DR

IPC: C09D5/23 ,  C09D7/12 ,  C10M105/24 ,  C10N10/04 ,  C10N40/18 ,  G11B5/71

Abstract: Magnetic recording media consisting of a non-magnetic base and, applied thereto, one or more firmly adhering magnetizable layers based on magnetic material finely dispersed in a polymeric binder, at least one lubricant and further conventional additives, wherein the lubricant used is zinc stearate which has been rendered hydrophilic.

公开(公告)号：DE3427681A1

公开(公告)日：1986-02-06

申请号：DE3427681

申请日：1984-07-27

Applicant: BASF AG

Inventor： LEHNER AUGUST ,  HEIL GUENTER DR ,  LENZ WERNER DR ,  BALZ WERNER DR ,  KOHL ALBERT ,  SCHORNICK GUNNAR DR

IPC: G11B5/842 ,  B05D5/12 ,  G11B5/70 ,  G11B5/702

公开(公告)号：DE3230394A1

公开(公告)日：1984-02-16

申请号：DE3230394

申请日：1982-08-14

Applicant: BASF AG

Inventor： ROLLER HERMANN ,  BALZ WERNER DR ,  BAUR REINHOLD DR ,  SOMMERMANN FRIEDRICH DR ,  GUTERMANN WINFRIED

IPC: C09D5/23 ,  C09D7/12 ,  C09D167/00 ,  C09D171/00 ,  C09D171/12 ,  C09D175/00 ,  C09D175/04 ,  C09D175/06 ,  G11B5/70 ,  G11B5/702 ,  G11B5/73 ,  G11B5/735 ,  G11B5/68 ,  C08J7/04 ,  C08J5/18 ,  C09D3/49 ,  C09D5/24

Abstract: 1. A flexible magnetic recording medium which comprises a polyethylene terephthalate film as the base, a magnetic layer which is applied to one side of the base and consists of anisotropic magnetic material dispersed in an organic binder, and a conductive backing coating which is one the side of the base opposite to the magnetic layer and consists of non-magnetizable conductive and non-conductive solids finely dispersed in a binder, wherein the binder for the backing coating consists of a mixture of (a) from 20 to 45 parts by weight of a linear saturated polyester resin, (b) from 10 to 45 parts by weight of a polyurethane resin, (c) from 15 to 45 parts by weight of a polyphenoxy resin, and (d) from 5 to 30 parts by weight of a linear polyesterurethane resin.

公开(公告)号：DE2200023A1

公开(公告)日：1973-07-26

申请号：DE2200023

申请日：1972-01-03

Applicant: BASF AG

Inventor： BALZ WERNER DR ,  FALK ROLAND DR ,  SCHEFFEL DIETER ,  WILLMANN PAUL ,  RICHTER VOLKER DIPL-ING ,  WOELLAF JOSEF DIPL-ING

IPC: B05D1/00 ,  G11B5/842 ,  G11B5/84

公开(公告)号：DE2150993A1

公开(公告)日：1973-04-19

申请号：DE2150993

申请日：1971-10-13

Applicant: BASF AG

Inventor： BALZ WERNER DR ,  FALK ROLAND DR ,  FEHRENBACH HUBERT

IPC: C08J5/14 ,  G11B5/84 ,  C08F29/26

公开(公告)号：DE4142635A1

公开(公告)日：1993-06-24

申请号：DE4142635

申请日：1991-12-21

Applicant: BASF AG

Inventor： SCHNEIDER NORBERT ,  LEHNER AUGUST ,  KLEIN URSULA ,  LENZ WERNER DR ,  BALZ WERNER DR ,  KOHL ALBERT ,  BETTINGER GUENTER

IPC: F02B75/02 ,  G11B5/708

Abstract: A magnetic recording material is produced by spreading a dispersion of anisotropic material particles together with other particles in a fluid solution over the surface of a corner. The solution consists of a polymer binding agent in an organic fluid. The material is passed through a magnetic field to orientate the magnetic particles. The mixture has carbon in a water repellent polysilicic acid in 0.3 to 5 percent by weight. ADVANTAGE - Avoids high wear resistant over wide temperature range.

公开(公告)号：DE3570543D1

公开(公告)日：1989-06-29

申请号：DE3570543

申请日：1985-07-22

Applicant: BASF AG

Inventor： LEHNER AUGUST ,  BALZ WERNER DR ,  LENZ WERNER DR ,  KOHL ALBERT ,  HEIL GUENTER DR

IPC: C09D5/23 ,  C09D175/04 ,  C09D175/06 ,  C09D175/08 ,  C09D175/14 ,  G11B5/702 ,  G11B5/842

Abstract: Layer-type magnetic recording media are produced by dispersing a finely divided magnetically anisotropic material in a binder which consists of not less than 40% of a radiation-curable aqueous binder dispersion, applying the dispersion onto a non-magnetic base, orienting the magnetically anisotropic material and drying and crosslinking the applied layer by means of UV or high-energy electron radiation.

公开(公告)号：DE3467058D1

公开(公告)日：1987-12-03

申请号：DE3467058

申请日：1984-07-10

Applicant: BASF AG

Inventor： ROLLER HERMANN ,  LEHNER AUGUST ,  HACK JOACHIM ,  GRAU WERNER DR ,  BALZ WERNER DR ,  BAUR REINHOLD DR

IPC: G11B5/842 ,  C09D5/23 ,  C09D7/12 ,  G11B5/70 ,  G11B5/702 ,  G11B5/73 ,  G11B5/735 ,  G11B5/84

Abstract: Magnetic recording media which have a thin backing coating and consist of a non-magnetic flexible base and a magnetic layer which is applied to one side of the base and comprises magnetic material finely dispersed in an organic binder are produced by applying a dispersion of finely divided non-magnetizable conductive and non-conductive solids and conventional additives in a solution of a polymeric binder in an organic solvent to that side of the base which is opposite the magnetic layer by means of a knife-coater, and then drying the layer, a high molecular weight organic compound which acts as a thickener being added to the backing coating dispersion.