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公开(公告)号:AT244078B
公开(公告)日:1965-12-10
申请号:AT254164
申请日:1964-03-23
Applicant: BASF AG
Inventor: SENKPIEL WERNER DR , DACHS KARL DR , WILHELM HANS DR , WAGNER HERBERT DR , BECHT GUENTER DR , WERST GERHARD DR
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公开(公告)号:CH498465A
公开(公告)日:1970-10-31
申请号:CH1946168
申请日:1968-12-31
Applicant: BASF AG
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公开(公告)号:DE1946554A1
公开(公告)日:1971-03-18
申请号:DE1946554
申请日:1969-09-13
Applicant: BASF AG
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公开(公告)号:DE2060214A1
公开(公告)日:1972-06-15
申请号:DE2060214
申请日:1970-12-08
Applicant: BASF AG
Inventor: HARTMANN HEINRICH DR , HARTMANN JOB-WERNER DR , MARX MATTHIAS DR , GRAU WERNER DR , WERST GERHARD DR
Abstract: A magnetic recording vehicle is mfd. by preparing a dispersion of a finely divided magnetic pigment (eg. gamma-Fe(III)-oxide) in a binder based on a copolymer of monoolefinically unsatd. monomers and an inert solvent (eg. toluene), with opt. admixture of usual additives; applying a layer of the dispersion onto a substrate (eg. a PVC or polyester film or tape) and drying or hardening. The copolymer used forms hard coatings and contains (A) 5-40 wt.% of units of formula R(CH2)C-X-Y-O-CO-CH2-Z (where X is COO or S; Y is divalent aliphatic 2-12 C (oxa)hydrocarbon; Z is COCH2 or CN; and R is R when X is S, or H or CH3 when X is COO; and (B) 60-95 wt.% of units of acrylates and/or methacrylates which may be replaced by up to 30% units of other comonomer units. Good abrasion resistance hence long service life.
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公开(公告)号:DE1774852A1
公开(公告)日:1972-01-20
申请号:DE1774852
申请日:1968-09-21
Applicant: BASF AG
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公开(公告)号:CH450751A
公开(公告)日:1968-01-31
申请号:CH338064
申请日:1964-03-16
Applicant: BASF AG
Inventor: SENKPIEL WERNER DR , DACHS KARL DR , WILHELM HANS DR , WAGNER HERBERT DR , BECHT GUENTER DR , WERST GERHARD DR
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