Allyl or propenyl group-containing naphthalene derivatives
    1.
    发明授权
    Allyl or propenyl group-containing naphthalene derivatives 失效
    含烯丙基或含丙烯基的萘衍生物

    公开(公告)号:US5171869A

    公开(公告)日:1992-12-15

    申请号:US825222

    申请日:1992-01-24

    摘要: A naphthalene of the following formula (1) having at least two allyl or propenyl groups ##STR1## wherein each G represents a hydrogen atoms or ##STR2## R.sup.1 's independently represent a hydrogen atom or an unsubstituted or substituted monovalent hydrocarbon group having from 1 to 6 carbon atoms, R.sup.2 's independently represent a hydrogen atom, an allyl group or a propenyl group, R.sup.3 represents an allyl group or a propenyl group, X represents a hydrogen atom or a halogen atom, and n is an integer of from 0 to 6. The derivative is useful for modifying curable resins or resin compositions to provide cured products which have a low water absorption, high strength and a high glass transition temperature. The derivative has good working properties and a good heat resistance.

    摘要翻译: 具有至少两个烯丙基或丙烯基的下式(1)的萘,其中每个G表示氢原子,或者R 1独立地表示氢原子或未取代或取代的一价烃基,其具有 1〜6个碳原子,R2独立地表示氢原子,烯丙基或丙烯基,R3表示烯丙基或丙烯基,X表示氢原子或卤素原子,n表示0〜 该衍生物可用于改性可固化树脂或树脂组合物以提供具有低吸水性,高强度和高玻璃化转变温度的固化产物。 该衍生物具有良好的加工性能和良好的耐热性。

    Thermosetting resin compositions
    2.
    发明授权
    Thermosetting resin compositions 失效
    热固性树脂组合物

    公开(公告)号:US5290882A

    公开(公告)日:1994-03-01

    申请号:US928064

    申请日:1992-08-11

    摘要: A thermosetting resin composition contains (A) an imide compound having a maleimide group, (B) an epoxy resin, (C) a phenolic resin, and optionally, (D) an aromatic polymer/organopolysiloxane copolymer. Component (B) and/or (C) includes a compound containing a naphthalene ring having an allyl group and preferably, a compound containing a naphthalene ring and a double bond conjugated with an aromatic ring. The composition is easily workable and cures to products having improved heat resistance, low thermal expansion, and low water absorption.

    摘要翻译: 热固性树脂组合物含有(A)具有马来酰亚胺基团的酰亚胺化合物,(B)环氧树脂,(C)酚醛树脂和任选的(D)芳族聚合物/有机聚硅氧烷共聚物。 组分(B)和/或(C)包括含有具有烯丙基的萘环的化合物,优选含有萘环和与芳环共轭的双键的化合物。 该组合物易于加工并固化成具有改善的耐热性,低热膨胀性和低吸水性的产品。

    Allyl or propenyl group-containing naphthalene derivatives
    3.
    发明授权
    Allyl or propenyl group-containing naphthalene derivatives 失效
    含烯丙基或含丙烯基的萘衍生物

    公开(公告)号:US5243058A

    公开(公告)日:1993-09-07

    申请号:US824967

    申请日:1992-01-24

    摘要: A naphthalene derivative of the following general formula (1) having at least one allyl or propenyl group is described. ##STR1## In the formula, each G represents a hydrogen atoms or ##STR2## R.sup.1 's independently represent a hydrogen atom, an allyl group or a propenyl group provided that at least one or R.sup.1 's is an allyl group or a propenyl group, and R.sup.2 's independently represent a hydrogen atom, an unsubstituted or substituted monovalent hydrocarbon group having from 1 to 6 carbon atoms, or a halogen atom. The derivative is useful for modifying curable resins or resin compositions to provide cured products which have a low water absorption, high strength and a high glass transition temperature. The derivative has good working properties and a good heat resistance.

    摘要翻译: 描述了具有至少一个烯丙基或丙烯基的下述通式(1)的萘衍生物。 (1)在该式中,每个G表示氢原子,或者如果至少一个或R 1为烯丙基或丙烯基,则R 1独立地表示氢原子,烯丙基或丙烯基, 并且R 2独立地表示氢原子,具有1至6个碳原子的未取代或取代的一价烃基或卤素原子。 该衍生物可用于改性可固化树脂或树脂组合物以提供具有低吸水性,高强度和高玻璃化转变温度的固化产物。 该衍生物具有良好的加工性能和良好的耐热性。

    Liquid silicone rubber compositions
    5.
    发明授权
    Liquid silicone rubber compositions 失效
    液体硅橡胶组合物

    公开(公告)号:US5610230A

    公开(公告)日:1997-03-11

    申请号:US561938

    申请日:1995-11-22

    IPC分类号: C08K5/54 C08K9/06 C08L83/04

    摘要: A liquid silicone rubber composition contains (A) an organopolysiloxane having at least two alkenyl groups, (B) a reinforcing silica filler, (C) a condensation catalyst, (D) a silanol group-containing siloxane wetter, (E) an organohydrogenpolysiloxane having at least two hydrogen atoms, and (F) a platinum catalyst. Components (C) and (D) assist in blending a large amount of the silica filler in the composition. The composition is smoothly flowing, quickly curable and suitable for injection molding.

    摘要翻译: 液体硅橡胶组合物含有(A)具有至少两个烯基的有机聚硅氧烷,(B)增强二氧化硅填料,(C)缩合催化剂,(D)含硅烷醇基的硅氧烷润湿剂,(E)有机氢聚硅氧烷, 至少两个氢原子,和(F)铂催化剂。 组分(C)和(D)有助于在组合物中混合大量的二氧化硅填料。 组合物流畅,快速固化,适合注射成型。

    Preparation of high fatigue endurance liquid silicone rubber composition
    7.
    发明授权
    Preparation of high fatigue endurance liquid silicone rubber composition 失效
    制备高耐疲劳性液体硅橡胶组合物

    公开(公告)号:US5908592A

    公开(公告)日:1999-06-01

    申请号:US965488

    申请日:1997-11-06

    摘要: A liquid silicone rubber base including (A) an alkenyl-containing organopolysiloxane, (B) a reinforcing silica filler, (C) a mixing assistant in the form of a silanol-containing compound, (E) an organohydrogen polysiloxane, (f) a platinum catalyst and optionally, (D) a wetting auxiliary catalyst is prepared by previously mixing 10-120 parts of component (A) with 1-35 parts of component (C) and 0-35 parts of component (D) to form a premix liquid, mixing the premix liquid with 100 parts of component (B) to form a premix power, and kneading the premix powder with the remainder of component (A). By adding a curing agent of organohydrogenpolysiloxane/platinum catalyst to the liquid silicone rubber base, there is obtained a liquid silicone rubber composition having improved fatigue endurance.

    摘要翻译: 一种液体硅橡胶基质,其包含(A)含烯基的有机基聚硅氧烷,(B)增强二氧化硅填料,(C)含硅烷醇化合物形式的混合助剂,(E)有机氢聚硅氧烷,(f) 通过预先将10-120份组分(A)与1-35份组分(C)和0-35份组分(D)混合来制备(D)润湿助催化剂,以形成预混物 将预混合液与100份组分(B)混合以形成预混合动力,并将预混合粉末与组分(A)的其余部分捏合。 通过向液体硅橡胶基体中加入有机氢​​聚硅氧烷/铂催化剂的固化剂,得到具有改善的耐疲劳性的液体硅橡胶组合物。

    Silicone rubber compositions and method for making
    8.
    发明授权
    Silicone rubber compositions and method for making 失效
    硅橡胶组合物及其制造方法

    公开(公告)号:US5498660A

    公开(公告)日:1996-03-12

    申请号:US360094

    申请日:1994-12-20

    摘要: To a silicone rubber composition including (A) a diorganopolysiloxane having an aliphatic unsaturated hydrocarbon group, (B) an organohydrogenpolysiloxane having at least two SiH groups in a molecule, and (C) a platinum catalyst, is added (D) an organic silicon compound of the following general formula (2): ##STR1## wherein R.sup.2, R.sup.5, and R.sup.6 are independently selected from monovalent hydrocarbon groups free of an aliphatic unsaturated bond, R.sup.3 is a monovalent hydrocarbon group, R.sup.4 is hydrogen or methyl, and n is an integer of 0 to 3. The composition has a long pot life after addition of curing components (B) and (C) and is extrusion moldable into bubble-free transparent parts. The composition is prepared by mixing component (A) with components (B) and (C) while adding component (D) thereto.

    摘要翻译: 对于包含(A)具有脂族不饱和烃基的二有机聚硅氧烷,(B)分子中具有至少两个SiH基的有机氢聚硅氧烷和(C)铂催化剂)的硅橡胶组合物,(D)有机硅化合物 (2)其中R 2,R 5和R 6独立地选自不含脂族不饱和键的一价烃基,R 3是一价烃基,R 4是氢或甲基,和 n为0〜3的整数。该组合物在添加固化成分(B)和(C)后具有长的适用期,并且可挤出成型为无气泡透明部分。 通过将组分(A)与组分(B)和(C)混合同时向其中加入组分(D)来制备组合物。