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公开(公告)号：US6001942A
公开(公告)日：1999-12-14
申请号：US217075
申请日：1998-12-21
IPC分类号： C08G73/10 , C08G77/455 , C08G77/04
CPC分类号： C08G73/1042 , C08G73/106 , C08G77/455
摘要： 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.
摘要翻译： 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。
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公开(公告)号：US5959038A
公开(公告)日：1999-09-28
申请号：US865542
申请日：1997-05-29
IPC分类号： C08L31/08 , C04B26/32 , C08F290/00 , C08F299/00 , C08F299/04 , C08F299/08 , C08G77/20 , C08L33/04 , C08L33/06 , C08L67/06 , C08L83/04 , C08L83/07 , C08L101/00 , C08L27/10
CPC分类号： C08L83/04 , C08L101/00 , C08G77/18 , C08G77/20
摘要： A thermosetting resin composition, comprising: a thermosetting organic resin (A), and an organopolysiloxane (B) represented by the following average unit formula: R.sub.a SiO.sub.(4-a)/2 wherein R is a selected from the group consisting of substituted or unsubstituted monovalent hydrocarbon groups, acryl-containing organic groups, methacryl-containing organic groups, and an alkoxy groups. The curable compositions of the invention exhibit excellent mold release characteristics and can be utilized to produce articles having water-repellent characteristics.
摘要翻译： 一种热固性树脂组合物，其包含：热固性有机树脂（A）和由以下平均单元式表示的有机聚硅氧烷（B）：RaSiO（4-a）/ 2其中R是选自取代或未取代的 一价烃基，含丙烯基的有机基团，含甲基丙烯酰基的有机基团和烷氧基。 本发明的可固化组合物表现出优异的脱模特性，可用于生产具有疏水特性的制品。
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公开(公告)号：US5708067A
公开(公告)日：1998-01-13
申请号：US778425
申请日：1996-12-26
CPC分类号： C08L83/04 , C08L83/14 , C08G77/12 , C08G77/16 , C08G77/18 , C08G77/20 , C08G77/398 , C08G77/58 , C08G77/70
摘要： There is disclosed a heat resistant organopolysiloxane composition comprising: (A) 100 parts by weight of an organopolysiloxane having a viscosity of 100 to 1,000,000 centistokes at 25.degree. C.; (B) 0.001 to 10 parts by weight of a reaction product of an alkali metal silanolate compound with cerium chloride or a cerium carboxylate; and (C) a diorganopolysiloxane having silicon-bonded hydrogen groups only at its molecular chain terminals, component (C) being present in a quantity sufficient to provide 1 to 10,000 parts per million of silicon-bonded hydrogen based on the total weight of said composition.
摘要翻译： 公开了一种耐热有机聚硅氧烷组合物，其包含：（A）在25℃下100重量份粘度为100至1,000,000厘沲的有机聚硅氧烷。 （B）0.001〜10重量份碱金属硅烷醇化合物与氯化铈或羧酸铈的反应产物; 和（C）仅在其分子链末端具有与硅键合的氢基团的二有机聚硅氧烷，组分（C）的存在量足以提供基于所述组合物的总重量的1至10,000ppm的与硅键合的氢 。
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公开(公告)号：US5661202A
公开(公告)日：1997-08-26
申请号：US738750
申请日：1996-10-28
摘要： There is disclosed a heat-resistant agent which exhibits good solubility in various organopolysiloxanes and which confers superior heat-resistance thereto, said heat-resistant agent having the formula ##STR1## wherein R.sup.2 is independently selected from hydrocarbon or halogenated hydrocarbon groups having 1 to 10 carbon atoms, R.sup.1 is independently selected from R.sup.2 or a eugenol residue, m is an integer having an average value of 5 to 500 and n is an integer having an average value of 0 to 500, with the proviso that there is at least one eugenol residue in the molecule. Also disclosed is a composition comprising an organopolysiloxane and the above described heat-resistant agent.
摘要翻译： 公开了一种在各种有机聚硅氧烷中表现出良好溶解性并赋予其优异的耐热性的耐热剂，所述耐热剂具有由具有1-10个碳原子的烃或卤代烃基构成的化合物，R 1独立地选自 R2或丁子香酚残基，m为平均值为5〜500的整数，n为平均值为0〜500的整数，条件是分子中至少有一个丁子香酚残基。 还公开了包含有机聚硅氧烷和上述耐热剂的组合物。
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公开(公告)号：US5604288A
公开(公告)日：1997-02-18
申请号：US565652
申请日：1995-11-29
IPC分类号： C08L83/07 , C08G77/42 , C08G77/442 , C08G81/00 , C08G81/02 , C08L83/04 , C08L101/00 , C08K3/34
CPC分类号： C08G77/442 , C08G81/024
摘要： A method for preparing a thermoplastic resin composition, said method comprising hot-kneading, in the absence of a radical-generating catalyst,(A) 100 parts by weight of a thermoplastic resin; and(B) 0.1 to 200 parts by weight of an alkenyl-functional polyorganosiloxane filled with amorphous silica micropowder, wherein the weight ratio of said silica micropowder to said alkenyl-functional polyorganosiloxane is 0.01:100 to 50:100, whereby the polyorganosiloxane of component (B) is chemically bonded to resin (A).
摘要翻译： 一种制备热塑性树脂组合物的方法，所述方法包括在不存在自由基产生催化剂的情况下热捏合（A）100重量份的热塑性树脂; 和（B）0.1〜200重量份填充有无定形二氧化硅微粉末的烯基官能聚有机硅氧烷，其中所述二氧化硅微粉与所述烯基官能聚有机硅氧烷的重量比为0.01:100至50:100，由此组分的聚有机硅氧烷 （B）与树脂（A）化学键合。
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公开(公告)号：US5508335A
公开(公告)日：1996-04-16
申请号：US237534
申请日：1994-05-03
IPC分类号： C08K3/36 , C08K5/5419 , C08K9/04 , C08K9/06 , C08K9/08 , C08L83/04 , C08L101/00 , C09C1/28 , C08K3/34
摘要： A siloxane powder composition which can impart improved lubricity character to a thermoplastic resin is disclosed, said composition being prepared by mixing(A) 100 parts by weight of a liquid polydiorganosiloxane and(B) 40 to 200 parts by weight of a silica powder that has a specific surface of at least 50 m.sup.2 /g using sufficient shear to prepare a powder in which the surface of component (B) is coated with component (A), and then mixing this powder with(C) 10 to 50 parts by weight of a polyorganosiloxane resin which is a solid at room temperature, said resin consisting essentially of (R.sub.3 SiO.sub.1/2) siloxane units and (SiO.sub.2) siloxane units in the molar ratio of 1:4 to 1:1,where R is selected from the group consisting of alkyl radicals and phenyl radical.
摘要翻译： 公开了可赋予热塑性树脂改善的润滑性特征的硅氧烷粉末组合物，所述组合物通过将（A）100重量份的液体聚二有机硅氧烷和（B）40至200重量份的二氧化硅粉末 使用足够的剪切使至少50m 2 / g的比表面制备粉末，其中组分（B）的表面涂覆有组分（A），然后将该粉末与（C）10至50重量份的 在室温下为固体的聚有机硅氧烷树脂，所述树脂基本上由摩尔比为1:4至1:1的（R3SiO1 / 2）硅氧烷单元和（SiO2）硅氧烷单元组成，其中R选自 的烷基和苯基。
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