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    • 3. 发明授权
    • Method for the preparation of organofunctional organopentasiloxane,
organic resin modifier and organic resins
    • 有机官能有机硅氧烷,有机树脂改性剂和有机树脂的制备方法
    • US6133394A
    • 2000-10-17
    • US237280
    • 1999-01-26
    • Haruhiko FurukawaTadashi OkawaHiroshi UekiYoshitsugu Morita
    • Haruhiko FurukawaTadashi OkawaHiroshi UekiYoshitsugu Morita
    • B01J31/02B01J31/16C07B61/00C07F7/08C07F7/10C08G64/08C08G64/18C08G73/10C08G77/04C08G77/42C08G77/448C08G77/455C08K5/5419C08L101/00C08G77/12C08G77/16C08G77/26
    • C07F7/0854C07F7/0852C07F7/0874C07F7/0879C08G64/085C08G77/045C08G77/42
    • A method for preparaing of an organofunctional organopentasiloxane which finds utility as a modifier for organic resins is disclosed, said method comprising:(I) reacting(A) a cyclotrisiloxane and(B) an .alpha.,.omega.-dihydrogendiorganodisiloxane in the presence of an(C) acid catalyst to prepare an .alpha.,.omega.-dihydrogendiorganopentasiloxane having the formulaR.sub.2 HSiO(R.sub.2 SiO).sub.3 SiHR.sub.2 wherein R independently represents a monovalent group free of aliphatic unsaturation selected from hydrocarbon or halogenated hydrocarbon groups; and(II) running an addition reaction in the presence of (D) a hydrosilylation catalyst between said .alpha.,.omega.-dihydrogendiorganopentasiloxane and (E) an organic compound containing a monovalent group selected from epoxy or phenol groups as well as an unsaturated aliphatic hydrocarbon group. In a variation of the method, the .alpha.,.omega.-dihydrogendiorganopentasiloxane is reacted with (F) an organic compound bearing an unsaturated aliphatic hydrocarbon group as well as a monovalent group selected from triorganosilyl-protected amino, triorganosilyl-protected carboxyl, triorganosilyl-protected hydroxyl or triorganosilyl-protected phenol and the protective triorganosilyl groups are subsequently removed.
    • 公开了一种制备用作有机树脂改性剂的有机官能有机硅氧烷的方法,所述方法包括:(I)使(A)环三硅氧烷和(B)α,ω-二氢羟基二硅氧烷在(C )酸催化剂以制备具有式R2HSiO(R2SiO)3SiHR2的α,ω-二氢羟基戊酸二硅氧烷,其中R独立地表示不含选自烃或卤代烃基的脂族不饱和基团的一价基团; 和(II)在(D)所述α,ω-二氢羟基二硅氧烷之间的氢化硅烷化催化剂和(E)含有选自环氧基或苯酚基团的一价基团的有机化合物以及不饱和脂族烃基团的存在下进行加成反应 。 在该方法的变体中,α,ω-二氢羟基二硅氧烷与(F)具有不饱和脂族烃基的有机化合物以及选自三有机甲硅烷基保护的氨基,三有机甲硅烷基保护的羧基,三有机甲硅烷基保护的羟基的一价基团反应 或三有机甲硅烷基保护的苯酚,然后除去保护性三有机甲硅烷基。
    • 4. 发明授权
    • Carbosiloxane dendrimer and dendrimer-containing organic polymers
    • 碳硅氧烷树枝状大分子和含树枝状大分子的有机聚合物
    • US06306992B1
    • 2001-10-23
    • US09625011
    • 2000-07-25
    • Makoto YoshitakeTadashi OkawaYoshitsugu MoritaHaruhiko Furukawa
    • Makoto YoshitakeTadashi OkawaYoshitsugu MoritaHaruhiko Furukawa
    • C08F23008
    • C07F7/0838
    • A novel carbosiloxane dendrimer is disclosed containing a radically polymerizable group in the molecule and which possesses excellent polymerization reactivity. The carbosiloxane dendrimer can be used to provide organic polymers as afforded by the polymerization of the carbosiloxane dendrimer either alone or with other organic monomers. The radically polymerizable group-functional carbosiloxane dendrimer with the general formula (R1 is C1 to C10 alkyl or aryl, R2 is a divalent organic group excluding C1 to C10 alkylene, b is 1 to 3, X1 is a silylalkyl group, and Y is a radically polymerizable group). Also, dendrimer-containing organic polymer as afforded by the polymerization of (A) the aforesaid carbosiloxane dendrimer and (B) radically polymerizable organic monomer.
    • 公开了一种在分子中含有自由基聚合性基团并且具有优异的聚合反应性的新型碳硅氧烷树枝状聚合物。 碳硅氧烷树枝状聚合物可以用于提供单独或与其它有机单体聚合碳硅氧烷树枝状聚合物所提供的有机聚合物。 具有通式(R1为C1〜C10烷基或芳基,R2为除C1〜C10亚烷基外的二价有机基团,b为1〜3,X 1为甲硅烷基烷基,Y为甲硅烷基烷基)的自由基聚合性基团官能团的碳硅氧烷树枝状大分子 自由基聚合性基团)。 另外,通过(A)上述碳硅氧烷树枝状聚合物和(B)可自由基聚合的有机单体的聚合提供的含树枝状大分子的有机聚合物。
    • 10. 发明授权
    • Resin additive, curable resin composition, and cured resin
    • 树脂添加剂,可固化树脂组合物和固化树脂
    • US06239245B1
    • 2001-05-29
    • US09507867
    • 2000-02-22
    • Yoshitsugu MoritaKazuo KobayashiHiroshi UekiHaruhiko Furukawa
    • Yoshitsugu MoritaKazuo KobayashiHiroshi UekiHaruhiko Furukawa
    • C08G7708
    • C08J3/26C08J3/12C08J2383/04
    • There is provided (i) a resin additive able to impart superior thermal shock resistance even in the case of resins that have absorbed moisture, (ii) a curable resin composition capable of forming a cured resin that has superior thermal shock resistance even after absorbing moisture, and (iii) a cured resin that has superior thermal shock resistance even after absorbing moisture. The resin additive consists of a powder with a mean particle size of 0.1 to 100 &mgr;m of silicone rubber. It has a moisture absorption rate of 0.20 weight percent or less after being treated for 20 hours at a temperature of about 121° C., a pressure of two atmospheres, and a relative humidity of 100 percent. The curable resin composition contains the resin additive, and the cured resin is formed by curing the curable resin composition.
    • 提供(i)即使在吸收了水分的树脂的情况下也能赋予优异的耐热冲击性的树脂添加剂,(ii)能够形成具有优异的耐热冲击性的固化树脂的固化性树脂组合物,即使在吸收水分后 ,和(iii)即使在吸收水分后也具有优异的耐热冲击性的固化树脂。 树脂添加剂由平均粒径为0.1〜100μm的硅橡胶的粉末构成。 在约121℃,两个大气压,相对湿度为100%的温度下处理20小时后,其吸湿率为0.20重量%以下。 固化性树脂组合物含有树脂添加剂,固化树脂通过使固化性树脂组合物固化而形成。