PHOTOSENSITIVE RESIN COMPOSITION, PATTERN FORMING METHOD, CURED FILM, LAMINATE, AND DEVICE

    公开(公告)号:US20210302835A1

    公开(公告)日:2021-09-30

    申请号:US17336335

    申请日:2021-06-02

    Abstract: There are provided a photosensitive resin composition containing at least one precursor selected from the group consisting of a polyimide precursor and a polybenzoxazole precursor, a compound having a sulfurous ester structure, and a photoradical polymerization initiator, and satisfies at least one of the following conditions 1, . . . , or 3; a pattern forming method using a photosensitive film formed from the photosensitive resin composition; a cured film formed from the photosensitive resin composition; a laminate including the cured film; and a device having the cured film or the laminate. the condition 1: the precursor contains a radically polymerizable group, the condition 2: the compound having a sulfurous ester structure contains a radically polymerizable group, and the condition 3: the photosensitive resin composition further contains a compound containing a radically polymerizable group, other than the precursor and the compound having a sulfurous ester structure.

    MAGNETIC RECORDING MEDIUM AND COATING COMPOSITION FOR MAGNETIC RECORDING MEDIUM
    2.
    发明申请
    MAGNETIC RECORDING MEDIUM AND COATING COMPOSITION FOR MAGNETIC RECORDING MEDIUM 审中-公开
    用于磁记录介质的磁记录介质和涂层组合物

    公开(公告)号:US20140374645A1

    公开(公告)日:2014-12-25

    申请号:US14311894

    申请日:2014-06-23

    CPC classification number: G11B5/7013

    Abstract: An aspect of the present invention relates to a magnetic recording medium comprising a magnetic layer comprising ferromagnetic powder and binder on a nonmagnetic support, wherein an average particle size of the ferromagnetic powder is equal to or less than 50 nm, the magnetic layer further comprises a compound, and the compound comprises at least one polyalkyleneimine chain and at least one polyester chain, with a proportion in the compound accounted for by the polyalkyleneimine chain being less than 5.0 weight percent and a number average molecular weight of the polyalkyleneimine chain ranging from 300 to 3,000.

    Abstract translation: 本发明的一个方面涉及一种包括在非磁性载体上包含铁磁粉末和粘合剂的磁性层的磁记录介质,其中铁磁性粉末的平均粒度等于或小于50nm,磁性层还包括 化合物,并且化合物包含至少一种聚亚烷基亚胺链和至少一个聚酯链,所述化合物中占聚合亚烷基亚胺链的比例小于5.0重量%,聚亚烷基亚胺链的数均分子量范围为300〜 3,000。

    MAGNETIC RECORDING MEDIUM
    7.
    发明申请
    MAGNETIC RECORDING MEDIUM 审中-公开
    磁记录介质

    公开(公告)号:US20170069344A1

    公开(公告)日:2017-03-09

    申请号:US15258292

    申请日:2016-09-07

    CPC classification number: G11B5/70678 G11B5/7013 G11B5/714

    Abstract: The magnetic recording medium has a magnetic layer containing ferromagnetic powder and binder on a nonmagnetic support, wherein the ferromagnetic powder is hexagonal ferrite powder containing, based on number of particles, greater than or equal to 80% isotropic particles that satisfy the relation 1: major axis length/minor axis length

    Abstract translation: 磁记录介质具有在非磁性载体上含有铁磁性粉末和粘合剂的磁性层,其中铁磁性粉末是含有基于颗粒数的大于或等于80%各向同性粒子的六方铁素体粉末,其满足关系式1:主要 轴长/短轴长度<1.2,六方铁氧体粉末的平均粒径小于或等于30nm,磁性层的垂直方向的平方度大于或等于0.65但小于或等于30nm, 等于1.00。

    MAGNETIC RECORDING MEDIUM AND MAGNETIC COATING COMPOSITION FOR MAGNETIC RECORDING MEDIUM
    8.
    发明申请
    MAGNETIC RECORDING MEDIUM AND MAGNETIC COATING COMPOSITION FOR MAGNETIC RECORDING MEDIUM 有权
    用于磁记录介质的磁记录介质和磁性涂料组合物

    公开(公告)号:US20150279403A1

    公开(公告)日:2015-10-01

    申请号:US14673205

    申请日:2015-03-30

    Abstract: An aspect of the present invention relates to a magnetic recording medium, which comprises a magnetic layer comprising ferromagnetic powder and binder on a nonmagnetic support, wherein the magnetic layer further comprises a compound which has a weight average molecular weight of equal to or more than 1,000 but less than 20,000 and is denoted by formula (1): wherein, in formula (1), A denotes a monovalent substituent, R1 denotes a single bond or a divalent connecting group, and m denotes an integer ranging from 2 to 4, multiple instances of A and R1 that are present can be identical or different, at least one of the multiple instances of A that are present denotes a monovalent polymer group and X denotes a heterocyclic group of valence m.

    Abstract translation: 本发明的一个方面涉及一种磁记录介质,其包括在非磁性载体上包含铁磁粉末和粘合剂的磁性层,其中所述磁性层还包含重均分子量等于或大于1,000的化合物 但小于20,000,由式(1)表示:其中,在式(1)中,A表示一价取代基,R1表示单键或二价连接基,m表示2〜4的整数,多元 存在的A和R1的实例可以相同或不同,存在的多个实例中的至少一个表示一价聚合物基团,X表示价数m的杂环基团。

    MAGNETIC RECORDING MEDIUM AND MAGNETIC RECORDING MEDIUM COMPOSITION

    公开(公告)号:US20170287518A1

    公开(公告)日:2017-10-05

    申请号:US15474504

    申请日:2017-03-30

    Abstract: The magnetic recording medium contains, in a magnetic layer, a fatty acid ester and a polyester resin having a number average molecular weight of greater than or equal to 1,000 but less than 20,000, and containing a structural unit derived from a polyvalent carboxylic acid and a structural unit derived from a polyol, as well as 10 mol % to 50 mol % of a structural unit, derived from a cyclic polyvalent carboxylic acid selected from the group consisting of an alicyclic polyvalent carboxylic acid and an aromatic polyvalent carboxylic acid, per 100 mol % of a combined total of the above structural units, and one or more partial structures selected from the group consisting of the following partial structures: wherein each of L1 and L2 independently denotes a divalent connecting group, and each of Z1 and Z2 independently denotes a monovalent group denoted by —OM or a monovalent group denoted by —O−A+.

    MAGNETIC RECORDING MEDIUM AND MAGNETIC COATING COMPOSITION FOR MAGNETIC RECORDING MEDIUM
    10.
    发明申请
    MAGNETIC RECORDING MEDIUM AND MAGNETIC COATING COMPOSITION FOR MAGNETIC RECORDING MEDIUM 有权
    用于磁记录介质的磁记录介质和磁性涂料组合物

    公开(公告)号:US20150279404A1

    公开(公告)日:2015-10-01

    申请号:US14673144

    申请日:2015-03-30

    CPC classification number: G11B5/7021 G11B5/7013 G11B5/7023 G11B5/714

    Abstract: An aspect of the present invention relates to a magnetic recording medium, which comprises a magnetic layer comprising ferromagnetic powder and binder on a nonmagnetic support, wherein the magnetic layer further comprises a compound which has a weight average molecular weight of equal to or more than 1,000 but less than 20,000 and is denoted by formula (1): wherein, in formula (1), A1 denotes a monovalent polymer group, each of R1 and R2 independently denotes a single bond or a divalent connecting group, R11 denotes a hydrogen atom or a monovalent substituent, m denotes an integer of equal to or greater than 2, multiple instances of R1, R2, A1, and R11 that are present can be identical or different, A2 denotes a hydrogen atom or a monovalent substituent denoted by —OR3—Z, R3 denotes a single bond or a divalent connecting group, Z denotes a monovalent acid group, among multiple instances of A2 that are present, at least one denotes a monovalent group denoted by —O—R3—Z, and X denotes a connecting group of valence m.

    Abstract translation: 本发明的一个方面涉及一种磁记录介质,其包括在非磁性载体上包含铁磁粉末和粘合剂的磁性层,其中所述磁性层还包含重均分子量等于或大于1,000的化合物 但小于20,000,由式(1)表示:其中,在式(1)中,A1表示一价聚合物基团,R 1和R 2各自独立地表示单键或二价连接基团,R 11表示氢原子或 一价取代基,m表示2以上的整数,存在的R 1,R 2,A 1和R 11的多个实例可以相同或不同,A2表示氢原子或被-OR3-表示的一价取代基, Z,R3表示单键或二价连接基团,Z表示一价酸基,在存在的多个实例中,至少一个表示由-O-R 3 -Z表示的一价基团,X表示 表示价数m的连接组。

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