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    • 65. 发明授权
    • Silicon-containing polyimide resin and silicon-containing polyamic acid
    • 含硅聚酰亚胺树脂和含硅聚酰胺酸
    • US6001942A
    • 1999-12-14
    • US217075
    • 1998-12-21
    • Masaaki AmakoHaruhiko FurukawaYoshitsugu MoritaHiroshi Ueki
    • Masaaki AmakoHaruhiko FurukawaYoshitsugu MoritaHiroshi Ueki
    • C08G73/10C08G77/455C08G77/04
    • C08G73/1042C08G73/106C08G77/455
    • The invention relates to a silicon-containing polyimide resin comprising (I) 0.1 to 100 mole % of structural units represented by the formula: ##STR1## where Ar.sup.1 is a tetra valent organic group having at least one aromatic ring, R independently represents a monovalent hydrocarbon group free of aliphatic unsaturated bonds, X is selected from an alkyleneoxyalkylene or an alkylene group having 2 or more carbon atoms, Y is an oxygen atom, an alkyleneoxyalkylene group, or an alkylene group having 2 or more carbon atoms, l, m, n are each integers having a value of 1 to 10, p is an integer having a value of 1 to 80, and a is 0 or 1; and (II) 99.9 to 0 mole % of structural units represented by the formula: ##STR2## where Ar.sup.2 is a tetravalent organic group having at least one aromatic ring, and Ar.sup.3 is a divalent organic group having at least one aromatic group.
    • 本发明涉及一种含硅聚酰亚胺树脂,其包含(I)0.1-100摩尔%的由下式表示的结构单元:其中Ar1是具有至少一个芳族环的四价有机基团,R独立地表示一价无烃基团 的脂肪族不饱和键,X选自亚烷氧基亚烷基或碳原子数2以上的亚烷基,Y为氧原子,亚烷基氧化烯基或碳原子数2以上的亚烷基,l,m,n分别为 整数值为1〜10,p为1〜80的整数,a为0或1; 和(II)99.9至0摩尔%的由下式表示的结构单元:其中Ar 2是具有至少一个芳环的四价有机基团,Ar 3是具有至少一个芳族基团的二价有机基团。
    • 69. 发明授权
    • Epoxy-functional MQ organopolysiloxanes
    • 环氧官能的MQ有机聚硅氧烷
    • US5468827A
    • 1995-11-21
    • US259817
    • 1994-06-15
    • Yoshitsugu Morita
    • Yoshitsugu Morita
    • C08G77/38C08G77/50C08G77/14C08G77/18
    • C08G77/38C08G77/50
    • An organopolysiloxane suitable for modifying curable organic and silicone compositions is disclosed, said organopolysiloxane having the general formula ##STR1## wherein each R.sup.1 is a monovalent group independently selected from the group consisting of hydrocarbon groups and halogenated hydrocarbon groups; R.sup.2 is selected from the group consisting of the hydrogen atom, monovalent hydrocarbon groups and halogenated hydrocarbon groups; R.sup.3 is selected from the group consisting of epoxy-functional organic groups, alkoxysilylalkyl groups and alkyl groups having at least 6 carbon atoms; a is zero or a positive number; b is a positive number; c is a positive number; a/c has a value of zero to
    • 公开了一种适用于改性可固化的有机和有机硅组合物的有机聚硅氧烷,所述有机聚硅氧烷具有通式“IMAGE”,其中每个R 1是独立地选自烃基和卤代烃基的一价基团; R2选自氢原子,一价烃基和卤代烃基; R3选自环氧官能的有机基团,烷氧基甲硅烷基烷基和具有至少6个碳原子的烷基; a为零或正数; b是正数; c是正数; a / c的值为零至<4; b / c的值为0.05〜4; 和(a + b)/ c的值为0.2-4,条件是R1和R2都不是烯基,并且所述有机聚硅氧烷在其分子中具有至少一个所述环氧官能的有机基团和至少一个所述的 具有至少6个碳原子的烷基。