MELT-SHAPED BODY OF POLYIMIDE PRECURSOR AND PROCESS FOR PRODUCTION OF POLYIMIDE FOAM USING SAME
    1.
    发明申请
    MELT-SHAPED BODY OF POLYIMIDE PRECURSOR AND PROCESS FOR PRODUCTION OF POLYIMIDE FOAM USING SAME 审中-公开
    聚酰亚胺前体的熔融体和使用其制备聚酰亚胺泡沫的方法

    公开(公告)号:US20130193605A1

    公开(公告)日:2013-08-01

    申请号:US13583098

    申请日:2011-03-08

    IPC分类号: B29C44/34

    摘要: The object is to propose an improved process for the production of a polyimide foam by which a large-sized polyimide foam in a state of fine and homogeneous cells can be readily obtained by easy operations and convenient steps. A melt-shaped body of a polyimide precursor obtainable by melt-treating in a closed state a powder of a polyimide precursor including at least an aromatic tetracarboxylic acid ester component and an aromatic amine component. A process for the production of a polyimide foam including the steps of melt-shaping in a closed state a powder of a polyimide precursor including at least aromatic tetracarboxylic acid ester component and an aromatic amine component to give a melt-shaped body of the polyimide precursor, and foaming the melt-shaped body of the polyimide precursor by a heat treatment.

    摘要翻译: 本发明的目的是提出一种制造聚酰亚胺泡沫体的改进方法,通过该方法可以容易地获得细小均匀电池状态的大尺寸聚酰亚胺泡沫,并且方便的步骤。 一种聚酰亚胺前体的熔体体,其通过在封闭状态下熔融处理至少包含芳族四羧酸酯组分和芳族胺组分的聚酰亚胺前体的粉末而得到。 一种生产聚酰亚胺泡沫的方法,包括以下步骤:在封闭状态下熔融成型至少包含芳族四羧酸酯组分和芳族胺组分的聚酰亚胺前体的粉末,得到聚酰亚胺前体的熔体体 通过热处理使聚酰亚胺前体的熔融体发泡。

    Fusible polyimide and composite polyimide film
    3.
    发明授权
    Fusible polyimide and composite polyimide film 失效
    易熔聚酰亚胺和复合聚酰亚胺薄膜

    公开(公告)号:US06808818B2

    公开(公告)日:2004-10-26

    申请号:US10269289

    申请日:2002-10-11

    IPC分类号: B32B1508

    摘要: A fusible polyimide showing a fusion endothermic peak in a differential scanning calorimeter has a recurring unit of the following formula (1): in which Ar1 is a mixture of residues of tetracarboxylic dianhydrides composed of 12-25 mol. & of a residue of pyromellitic dianhydride, 5-15 mol. % of a residue of 3,3′4,4′-benzophenonetetracarboxylic dianhydride, and a remaining mol. % of a residue of 3,3′,4,4′-biphenyltetracarboxylic dianhydride, and Ar2 is an aromatic diamine residue composed of 1,3-bis(4-aminophenoxy)benzene.

    摘要翻译: 示出差示扫描量热计中的熔融吸热峰的熔融聚酰亚胺具有下式(1)的重复单元:其中Ar 1是由12-25mol组成的四羧酸二酐的残基的混合物。 和均苯四酸二酐的残留物,5-15mol。 %的3,3'4,4'-二苯甲酮四羧酸二酐的残基,剩余的摩尔。 3,3',4,4'-联苯四羧酸二酐的残基%,Ar 2是由1,3-双(4-氨基苯氧基)苯组成的芳族二胺残基。

    Aromatic polyimide foam
    4.
    发明授权
    Aromatic polyimide foam 有权
    芳香族聚酰亚胺泡沫

    公开(公告)号:US06814910B2

    公开(公告)日:2004-11-09

    申请号:US10245226

    申请日:2002-09-16

    IPC分类号: C08J936

    摘要: A flexible polyimide foam having an apparent density of 13.5 to 900 kg/m3 and a glass transition temperature of 300° C. or higher can be prepared by mixing an aromatic tetracarboxylic acid comprising 2,3,3′,4′-biphenyltetracarboxylic dianhydride a portion of which is converted into its mono- or di-lower primary alcohol ester with an aromatic polyamine containing diaminodisiloxane in an amount of 0.1 to 10 mol. %, based on the amount of total amine compounds, to give a solid of polyimide precursor; heating the solid of polyimide precursor to a temperature of 300° C. to 500° C. to produce a polyimide foam; and compressing the polyimide foam.

    摘要翻译: 具有表观密度为13.5〜900kg / m 3,玻璃化转变温度为300℃以上的柔性聚酰亚胺泡沫体可以通过将包含2,3,3',4'- 联苯四羧酸二酐,其一部分用0.1至10摩尔量的含二氨基二硅氧烷的芳族多胺转化成其单 - 或二 - 低级伯醇酯。 %,基于总胺化合物的量,得到聚酰亚胺前体的固体; 将聚酰亚胺前体的固体加热到300℃至500℃的温度以产生聚酰亚胺泡沫; 并压缩聚酰亚胺泡沫。

    POLYIMIDE POWDER FOR ANTISTATIC POLYIMIDE MOLDED PRODUCT AND POLYIMIDE MOLDED PRODUCT THEREBY
    5.
    发明申请
    POLYIMIDE POWDER FOR ANTISTATIC POLYIMIDE MOLDED PRODUCT AND POLYIMIDE MOLDED PRODUCT THEREBY 失效
    用于抗静电聚酰亚胺模制产品和聚酰亚胺模制产品的聚酰亚胺粉

    公开(公告)号:US20060199895A1

    公开(公告)日:2006-09-07

    申请号:US11422850

    申请日:2006-06-07

    IPC分类号: C08K3/04

    CPC分类号: C08K3/04

    摘要: A polyimide powder for an antistatic polyimide molded product is disclosed. The polyimide powder comprises a polyimide-powder prepared from an aromatic tetracarboxylic acid component and a diamine component, and a conductive carbon black having a DBP oil absorption of 300 ml/100 g or more; wherein the amount of the conductive carbon black is within a range of 0.75 wt % to 5 wt % relative to the polyimide-powder. A polyimide molded product with sufficient antistatic property can be formed by molding the above polyimide powder.

    摘要翻译: 公开了一种用于抗静电聚酰亚胺模制产品的聚酰亚胺粉末。 聚酰亚胺粉末包括由芳族四羧酸组分和二胺组分制备的聚酰亚胺粉末和DBP吸油量为300ml / 100g以上的导电炭黑; 其中导电炭黑的量相对于聚酰亚胺粉末在0.75重量%至5重量%的范围内。 通过模制上述聚酰亚胺粉末可以形成具有足够抗静电性的聚酰亚胺模制产品。

    Apparatus and method for field device management
    6.
    发明申请
    Apparatus and method for field device management 审中-公开
    现场设备管理的装置和方法

    公开(公告)号:US20070220131A1

    公开(公告)日:2007-09-20

    申请号:US11716340

    申请日:2007-03-08

    IPC分类号: G06F15/173

    摘要: A correspondence storing section stores correspondence between a device type of a field device and an information processing algorithm conforming to the device type. A device type obtaining section obtains a device type of the field device from the field device. An algorithm selecting section specifies the algorithm corresponding to the device type obtained by the device type obtaining section based on the correspondence stored in the correspondence storing section, and selects the specified algorithm as an algorithm to be used for the field device.

    摘要翻译: 通信存储部存储现场设备的设备类型和符合设备类型的信息处理算法之间的对应关系。 设备类型获取部分从现场设备获取现场设备的设备类型。 算法选择部,基于存储在对应存储部中的对应关系,指定与设备类型获取部所获得的设备类型相对应的算法,并选择指定的算法作为用于现场设备的算法。

    Friction material and resin composition for friction material
    8.
    发明授权
    Friction material and resin composition for friction material 失效
    用于摩擦材料的摩擦材料和树脂组合物

    公开(公告)号:US08748509B2

    公开(公告)日:2014-06-10

    申请号:US12935702

    申请日:2009-03-27

    IPC分类号: C08J5/14

    摘要: A friction material characterized by using a resin composition for friction materials, the resin composition containing, as a binder, an aromatic imide oligomer having an addition-reactive group at an end thereof. Also described is a resin composition for friction materials, containing: a powder of an aromatic imide oligomer having an addition-reactive group at an end thereof; at least one type of fiber selected from the group consisting of carbon fiber, aramid fiber, glass fiber, ceramic fiber, and metal fiber; and an inorganic filler. The friction material and a resin composition for friction materials have good formability and in which the binder itself has excellent heat resistance and mechanical properties, compared to a friction material using a phenolic resin as a binder.

    摘要翻译: 一种摩擦材料,其特征在于使用摩擦材料用树脂组合物,所述树脂组合物在其末端含有作为粘结剂的具有加成反应性基团的芳香族酰亚胺低聚物。 还描述了一种用于摩擦材料的树脂组合物,其包含:末端具有加成反应性基团的芳族酰亚胺低聚物的粉末; 选自碳纤维,芳族聚酰胺纤维,玻璃纤维,陶瓷纤维和金属纤维中的至少一种纤维; 和无机填料。 与使用酚醛树脂作为粘合剂的摩擦材料相比,摩擦材料和用于摩擦材料的树脂组合物具有良好的成形性,并且粘合剂本身具有优异的耐热性和机械性能。

    Polyimide short fibers and heat-resistant paper comprising same
    9.
    发明授权
    Polyimide short fibers and heat-resistant paper comprising same 失效
    聚酰亚胺短纤维和包含该聚酰亚胺短纤维的耐热纸

    公开(公告)号:US08709205B2

    公开(公告)日:2014-04-29

    申请号:US13514016

    申请日:2010-12-16

    IPC分类号: D21H13/00 C08G73/10 C08J9/00

    摘要: Disclosed are polyimide short fibers having an extremely high heat resistance, suitable for non-woven fabrics and paper, and having many branches. Specifically, disclosed are polyimide short fibers having many branches, which are produced by beating and loosening a specific foamed polyimide material. The foamed material preferably comprises a polyimide produced using 2,3,3′,4′-biphenyltetracarboxylic acid as an aromatic tetracarboxylic acid component, preferably has a glass transition temperature of 300° C. or higher, and preferably has an expansion ratio of 20 times or more.

    摘要翻译: 公开了具有极高耐热性的聚酰亚胺短纤维,适用于无纺布和纸张,并具有许多分支。 具体地,公开了具有许多分支的聚酰亚胺短纤维,其通过打浆和松动特定的泡沫聚酰亚胺材料而制备。 发泡体优选包含使用2,3,3',4'-联苯四羧酸作为芳香族四羧酸成分制造的聚酰亚胺,优选玻璃化转变温度为300℃以上,优选为20倍 次以上。