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    • 3. 发明授权
    • Polyimide and high-temperature adhesive of polyimide
    • 聚酰亚胺和聚酰亚胺的高温粘合剂
    • US5278276A
    • 1994-01-11
    • US9091
    • 1993-01-26
    • Masahiro OhtaSaburo KawashimaYoshiho SonobeShoji TamaiHideaki OikawaKouji OhkoshiAkihiro Yamaguchi
    • Masahiro OhtaSaburo KawashimaYoshiho SonobeShoji TamaiHideaki OikawaKouji OhkoshiAkihiro Yamaguchi
    • C08G73/10C09J179/08
    • C08G73/105C08G73/1064C08G73/1071C09J179/08
    • Polyimide having repeating units of the following formula (I) and its polyamic acid precursor having repeating units of the following formula (II) are disclosed; ##STR1## (where Y is a radical selected from the group consisting of a bond, divalent hydrocarbon having 1 to 10 carbons, hexafluorinated isopropylidene, carbonyl, thio, sulfinyl, sulfonyl and oxide, and R is a tetra-valent radical selected from the group consisting of aliphatic radical having 2 and more carbons, cyclo-aliphatic radical, monoaromatic radical, condensed polyaromatic radical, and non-condensed polyaromatic radical wherein aromatic radicals are mutually connected with a bond or a crosslinking function).Typical examples of polyimide and polyamic acid include where Y is thio radical and R is ##STR2## Y is a bond and R is III or IV, and Y is isopropylidene radical and R is IV.The polymers can be prepared from corresponding diamine and tetracarboxylic acid dianhydride.Polyimide or polyamic acid of this invention is excellent for high-temperature adhesive.
    • 公开了具有下式(I)的重复单元的聚酰亚胺及其具有下式(II)的重复单元的聚酰胺酸前体; (*化学结构*)(I)(*化学结构*)(II)(其中Y是选自由键,碳数1〜10的二价烃,六氟化异亚丙基,羰基,硫代,亚磺酰基, 磺酰基和氧化物,R是选自具有2个或更多个碳的脂族基团,环脂族基团,单芳族基团,缩合多芳族基团和非稠合多芳族基团中的四价基团,其中芳族基团相互连接 具有键或交联功能)。 聚酰亚胺和聚酰胺酸的典型实例包括其中Y为硫基,R为(*化学结构*)(III)(*化学结构*)(IV)Y为键,R为III或IV,Y为异丙叉基 而R是IV。 聚合物可以由相应的二胺和四羧酸二酐制备。 本发明的聚酰亚胺或聚酰胺酸对于高温粘合剂是优异的。
    • 6. 发明授权
    • Polymide for high-temperature adhesive
    • Polymide用于高温胶粘剂
    • US4959440A
    • 1990-09-25
    • US6513
    • 1987-01-23
    • Shoji TamaiSaburo KawashimaYoshiho SonobeMasahiro OhtaHideaki OikawaAkihiro Yamaguchi
    • Shoji TamaiSaburo KawashimaYoshiho SonobeMasahiro OhtaHideaki OikawaAkihiro Yamaguchi
    • C08G73/00C08G73/10C09J179/08
    • C08G73/1071C08G73/105
    • This invention relates to a novel polyimide and describes method of its preparation, adhesives of the polyimide and the method for their application.The polyimide has recurring units of the formula ##STR1## (where the positions of two carbonyl radicals in a benzene ring are meta or para, and R is a tetra-valent radical selected from the group consisting of aliphatic radical having not less than two carbons, cyclo-aliphatic radical, monoaromatic radical, condensed polyaromatic radical, and non condensed polyaromatic radical wherein aromatic radicals are mutually connected with a bond or a crosslinking function).The polyimide can be prepared by reacting diamine with tetracarboxylic dianhydride in organic solvents and imidizing resultant polyamic acid.The diamine in use is ether diamine and includes 1,3-bis[4-(3-aminophenoxy)benzoyl]benzene and 1,4-bis[4-(3-aminophenoxy)benzoyl]benzene.Various tetracarboxylic dianhydrides can be used and particularly prefered are pyromellitic dianhydride and 3,3',4,4'-benzophenonetetracarboxylic dianhydride.
    • 本发明涉及一种新型聚酰亚胺及其制备方法,聚酰亚胺的粘合剂及其应用方法。 聚酰亚胺具有下式的重复单元:其中苯环中的两个羰基的位置是间位或对位的,R是选自以下的四价基团:具有式 不少于两个碳,环脂族基团,单芳族基团,缩合多芳族基团和非缩合多芳族基团,其中芳族基团与键或交联官能团相互连接)。 聚酰亚胺可以通过二胺与四羧酸二酐在有机溶剂中反应并酰亚胺化得到的聚酰胺酸来制备。 所用的二胺是醚二胺,包括1,3-双[4-(3-氨基苯氧基)苯甲酰]苯和1,4-双[4-(3-氨基苯氧基)苯甲酰基]苯。 可以使用各种四羧酸二酐,特别优选的是均苯四酸二酐和3,3',4,4'-二苯甲酮四羧酸二酐。
    • 7. 发明授权
    • Polyimide and high-temperature adhesive of polyimide from meta
substituted phenoxy diamines
    • 聚酰亚胺和来自间位取代的苯氧基二胺的聚酰亚胺的高温粘合剂
    • US4847349A
    • 1989-07-11
    • US44028
    • 1987-06-03
    • Masahiro OhtaSaburo KawashimaYoshiho SonobeShoji TamaiHideaki OikawaKouji OhkoshiAkihiro Yamaguchi
    • Masahiro OhtaSaburo KawashimaYoshiho SonobeShoji TamaiHideaki OikawaKouji OhkoshiAkihiro Yamaguchi
    • C08G73/10C09J179/08
    • C08G73/1039C08G73/105C08G73/1064C08G73/1071C09J179/08
    • Polyimide having repeating units of the following formula (I) and its polyamic acid precursor having repeating units of the following formula (II) are disclosed; ##STR1## (where Y is a radial selected from the group consisting of a bond, divalent hydrocarbon having 1 to 10 carbons, hexafluorinated isopropylidene, carbonyl, thio, sulfinyl, sulfonyl and oxide, and R is a tetra-valent radical selected from the group consisting of aliphatic radical having 2 and more carbons, cyclo-aliphatic radical, monoaromatic radical, condensed polyaromatic radical, and noncondensed polyaromatic radical wherein aromatic radicals ae mutually connected with a bond or a crosslinking function).Typical examples of polyimide and polyamic acid include where Y is thio radical and R is ##STR2## Y is a bond and R is III or IV, andy is isopropylidene radical and R is IV.The polymers can be prepared from corresponding diamine and tetracarboxylic acid dianhydride.Polyimide or polyamic acid of this invention is excellent for high-temperature adhesive.
    • PCT No.PCT / JP86 / 00335 Sec。 371日期:1987年6月3日 102(e)1987年6月3日PCT PCT日期1986年6月30日PCT公布。 出版物WO87 / 01378 公开了具有下式(I)的重复单元的聚酰亚胺及其具有下式(II)的重复单元的聚酰胺酸前体。 (Ⅰ)(Ⅱ)(其中Y是选自由键,碳原子数为1〜10的二价烃,六氟化异亚丙基,羰基,硫基,亚磺酰基,磺酰基和氧化物组成的组的径向,R为 是选自具有2个或更多个碳的脂族基团,环脂族基团,单芳族基团,缩合多芳族基团和非缩合多芳族基团的四价基团,其中芳族基团与键或交联官能团相互连接) 。 聚酰亚胺和聚酰胺酸的典型实例包括其中Y为硫基,R为Y,R为III或IV,且为异丙叉基,R为IV。 聚合物可以由相应的二胺和四羧酸二酐制备。 本发明的聚酰亚胺或聚酰胺酸对于高温粘合剂是优异的。