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    • 62. 发明申请
    • HYPERBRANCHED POLYIMIDE-BASED HYBRID MATERIAL
    • 超支化聚酰亚胺混合材料
    • US20070149759A1
    • 2007-06-28
    • US11680187
    • 2007-02-28
    • Yasuharu YAMADATomoyuki Suzuki
    • Yasuharu YAMADATomoyuki Suzuki
    • C08G69/08
    • C08G83/005C08G73/10C08K3/20C08L79/08
    • It is an object of the present invention to provide a polyimide-based hybrid material which is industrially and advantageously utilized because of having better gas permeability, electric characteristics, heat resistance, mechanical strength, and the like as compared with the conventional polyimide-based hybrid materials, while keeping chemical resistance, forming characteristics (process characteristics), and the like inherently possessed by polyimide. Provided is a hyperbranched polyimide-based hybrid material constituted of an organic-inorganic polymer hybrid, wherein the organic-inorganic polymer hybrid has a hyperbranched polyimide moiety and an inorganic oxide moiety which are combining each other via covalent bond and constituting a composite structure.
    • 本发明的目的是提供一种与传统的聚酰亚胺类杂化物相比具有更好的气体渗透性,电特性,耐热性,机械强度等在工业上有利地使用的聚酰亚胺类杂化材料 材料,同时保持聚酰亚胺固有的耐化学性,成型特性(工艺特性)等。 提供一种由有机 - 无机聚合物杂化物构成的超支化聚酰亚胺系混合材料,其中有机 - 无机聚合物杂化物具有通过共价键彼此结合并构成复合结构的超支化聚酰亚胺部分和无机氧化物部分。
    • 66. 发明申请
    • Segmented poly(ethyleneimine) compositions
    • 分段聚(乙烯亚胺)组合物
    • US20070100128A1
    • 2007-05-03
    • US11262228
    • 2005-10-28
    • David Bailey
    • David Bailey
    • C08G69/08
    • C08G73/0233C08F220/18C08F220/36
    • A polymer represented by either Structure I or Structure II: X(NHCH2CH2)m-Lr-B]S  Structure I wherein m is independently 2 to 500; X is an initiating group; B is independently a polymer or copolymer segment, wherein B is not poly(2-ethyloxazoline) (PEO) if its molecular weight is greater than 2,500 and B is connected to the PEI segment (NHCH2CH2)m either directly (r=0) at the end of the chain or via a linking group (r=1) at the end of the chain; L is independently a linking group; r is 0 or 1; and s is 1 to 8; wherein m′ is independently 2 to 500; X′ is independently an initiating group L′ is independently a linking group linking the end of the chain of the PEI segment (NHCH2CH2)m′ to G*; G is independently a polymerizable monomer; G* is a monomer unit that is copolymerizable with the G monomer; y+z is from 10 to 100,000; and 0
    • 由结构I或结构II表示的聚合物:<?in-line-formula description =“In-line Formulas”end =“lead”?> X (NHCH < 结构I <βin-line -formulae description =“In-line Formulas”end =“tail”?>其中m独立地为2至500; X是一个起始组; B独立地是聚合物或共聚物链段,其中B不是聚(2-乙基恶唑啉)(PEO),如果其分子量大于2,500,并且B直接连接到PEI链段(NHCH2CH2)m(r = 0) 链的末端或通过链末端的连接基团(r = 1); L独立地是连接基团; r为0或1; s为1〜8; 其中m'独立地为2〜500; X'独立地是引发基团L'独立地是连接PEI链段(NHCH2CH2)m'至G *链的末端的连接基团; G独立地是可聚合单体; G *是可与G单体共聚的单体单元; y + z为10〜100,000; 和0
    • 69. 发明申请
    • Film and magnetic-recording medium using the same
    • 胶片和磁记录介质使用它
    • US20070082232A1
    • 2007-04-12
    • US10578921
    • 2004-11-11
    • Masanori SueokaAkimitsu Tsukuda
    • Masanori SueokaAkimitsu Tsukuda
    • B32B27/34B32B27/08G11B5/706C08G69/08
    • G11B5/73H05K1/0346H05K1/0393Y10T428/31681Y10T428/31725
    • A film and a magnetic-recording medium using the film, where the heat shrinkage ratio in the transverse direction of the film subjected to heat treatment under no tension for 30 min. at 180° C. is from 1.0 to 2.5%, and where the film satisfies the following equations (1)-(4) simultaneously, with αMD (×10−6/° C.) and αTD (×10−6/° C.) being coefficient of thermal expansion in the longitudinal and the transverse direction, respectively, and βMD (×10−6/% RH) andβTD (×10−6/% RH) being coefficient of hygroscopic expansion in the longitudinal and the transverse direction, respectively. In the film, by controlling the dimensional changes by temperature and humidity within specific ranges, it becomes possible to control the dimensional change and the difference in dimensional changes between the longitudinal and the transverse direction of the film used as a magnetic-recording medium to be extremely small. −10≦αMD≦10 (1), αMD−10≦αTD≦αMD−3 (2), −10≦βMD≦10 (3), βMD−10≦βTD≦βMD−3 (4)
    • 使用该膜的膜和磁记录介质,其中在无张力下进行30分钟热处理的膜的横向热收缩率。 在180℃下为1.0至2.5%,并且其中该膜同时满足以下等式(1) - (4),使用αMD(x10 -6 /℃)和αTD( 分别为纵向和横向的热膨胀系数和βMD(x10-6 /%RH)和βTD(x10)的热膨胀系数 分别为纵向和横向的吸湿膨胀系数。 在薄膜中,通过将温度和湿度的尺寸变化控制在特定范围内,可以将尺寸变化和用作磁记录介质的薄膜的纵向和横向之间的尺寸变化的差异控制为 非常小 -10 <=αMD<= 10(1),αMD-10 <=αTD<=αMD-3(2),-10 <=βMD= 10(3),βMD-10 <=βTD<=βMD-3 (4)