Magnetic recording binder containing aminoalkylphosphonate salt
    1.
    发明授权
    Magnetic recording binder containing aminoalkylphosphonate salt 失效
    含有氨基烷基膦酸盐的磁记录粘合剂

    公开(公告)号:US5681919A

    公开(公告)日:1997-10-28

    申请号:US453150

    申请日:1995-05-30

    摘要: A magnetic recording medium is prepared by applying a magnetic coating composition onto a non-magnetic support and curing said composition, said coating composition containing ferromagnetic particles dispersed in a binder comprising a thermoplastic resin selected from the group consisting of polyurethanes and polyester wherein there is chemically bonded to said resin at least one aminoalkylphosphonate represented by the formula: ##STR1## wherein R.sup.1 and R.sup.2 are the same or different oxyalkyl radicals having from 2 to 12 carbon atoms, R.sup.3 is an alkylene radical having from 1 to 12 carbon atoms, or an aralkylene radical having from 7 to 10 carbon atoms R.sup.4 is an alkyl radical having from 1 to 12 carbon atoms, a cycloalkyl radical having from 5 to 12 carbon atoms, or an aryl radical having from 6 to 12 carbon atoms wherein the aryl radical may contain a halogen atom, a hydroxyl group, or an amino group, and M.sup.+ is a metal ion or an ammonium ion.

    摘要翻译: 通过将磁性涂料组合物施加到非磁性载体上并固化所述组合物来制备磁记录介质,所述涂料组合物含有分散在粘合剂中的铁磁颗粒,所述粘合剂包含选自聚氨酯和聚酯的热塑性树脂,其中存在化学 与所述树脂键合至少一种由下式表示的氨基烷基膦酸酯:其中R 1和R 2是相同或不同的具有2至12个碳原子的氧烷基,R 3是具有1至12个碳原子的亚烷基,或 具有7至10个碳原子的亚芳基R 4是具有1至12个碳原子的烷基,具有5至12个碳原子的环烷基或具有6至12个碳原子的芳基,其中芳基可以含有 卤素原子,羟基或氨基,M +是金属离子或铵离子。

    Magnetic recording medium having a binder containing
aminoalkylphosphonate salt functional groups
    2.
    发明授权
    Magnetic recording medium having a binder containing aminoalkylphosphonate salt functional groups 失效
    具有含有氨基烷基膦酸盐官能团的粘合剂的磁记录介质

    公开(公告)号:US5556698A

    公开(公告)日:1996-09-17

    申请号:US452804

    申请日:1995-05-30

    摘要: A magnetic recording medium is prepared by applying a magnetic coating composition onto a non-magnetic support and curing said composition, said coating composition containing ferromagnetic particles dispersed in a binder comprising a thermoplastic resin selected from the group consisting of polyurethanes and polyester wherein there is chemically bonded to said resin at least one aminoalkylphosphonate represented by the formula: ##STR1## wherein R.sup.1 and R.sup.2 are the same or different oxyalkyl radicals having from 2 to 12 carbon atoms, R.sup.3 is an alkylene radical having from 1 to 12 carbon atoms, or an aralkylene radical having from 7 to 10 carbon atoms R.sup.4 is an alkyl radical having from 1 to 12 carbon atoms, a cycloalkyl radical having from 5 to 12 carbon atoms, or an aryl radical having from 6 to 12 carbon atoms wherein the aryl radical may contain a halogen atom, a hydroxyl group, or an amino group, and M.sup.+ is a metal ion or an ammonium ion.

    摘要翻译: 通过将磁性涂料组合物施加到非磁性载体上并固化所述组合物来制备磁记录介质,所述涂料组合物含有分散在粘合剂中的铁磁颗粒,所述粘合剂包含选自聚氨酯和聚酯的热塑性树脂,其中存在化学 与所述树脂键合至少一种由下式表示的氨基烷基膦酸酯:其中R 1和R 2是相同或不同的具有2至12个碳原子的氧烷基,R 3是具有1至12个碳原子的亚烷基,或 具有7至10个碳原子的亚芳基R 4是具有1至12个碳原子的烷基,具有5至12个碳原子的环烷基或具有6至12个碳原子的芳基,其中芳基可以含有 卤素原子,羟基或氨基,M +是金属离子或铵离子。