Organopolysiloxane composition
    1.
    发明授权
    Organopolysiloxane composition 失效
    有机聚硅氧烷组合物

    公开(公告)号:US4886865A

    公开(公告)日:1989-12-12

    申请号:US169849

    申请日:1988-03-18

    CPC分类号: C08G77/50 C08L83/14

    摘要: The organopolysiloxane composition is useful as a potting or encapsulating material having a gel-like consistency for protecting electronic components even at an extremely low temperature as is encountered in the space industry. The composition is basically of the type in which crosslinks are formed by the addition reaction between silicon-bonded vinyl groups in an organopolysiloxane and silicon-bonded hydrogen atoms in an organohydrogenpolysiloxane but the outstanding cold resistance of the gel-like material obtained from the composition is imparted by incorporating specific silethylene-containing units of the unit formula OSiMe--CH.sub.2 CH.sub.2 --SiMe.sub.2 O.sub.0.5 into the organopolysiloxane in a specified molar content.

    摘要翻译: 有机聚硅氧烷组合物可用作具有凝胶状稠度的灌封或封装材料,即使在空间工业中遇到的极低温下也能保护电子元件。 组合物基本上是通过有机聚硅氧烷中与硅键合的乙烯基与有机氢聚硅氧烷中与硅键合的氢原子之间的加成反应形成交联的类型,但由组合物获得的凝胶状材料的出色的耐寒性为 通过将单元式OSiMe-CH 2 CH 2 -SiMe 2 O 0.5的特定的含有亚乙烯基的单元以特定的摩尔含量加入有机聚硅氧烷中。

    Fluorosilicone composition and its gellike cured product
    2.
    发明授权
    Fluorosilicone composition and its gellike cured product 失效
    氟硅酮组合物及其胶凝固化产物

    公开(公告)号:US5292848A

    公开(公告)日:1994-03-08

    申请号:US964946

    申请日:1992-10-22

    CPC分类号: C08L83/08 C08L83/12

    摘要: The present fluorosilicone composition is an addition reaction curable composition that uses, as an alkenyl group-containing organopolysiloxane, a fluorine-containing organopolysiloxane represented by the following general formula (1): ##STR1## wherein R represents a vinyl group, R.sup.1 represents an alkyl group or a phenyl group, R.sup.2 represents a group represented by the following formula (2): ##STR2## in which p is an integer of 2 to 8 and q is an integer of 1 to 10, and n and m are each a positive integer. This composition can form a gellike cured product particularly excellent in acid resistance.

    摘要翻译: 本发明的氟硅酮组合物是使用由以下通式(1)表示的含氟有机聚硅氧烷作为含烯基的有机聚硅氧烷的加成反应固化性组合物:(*化学结构*)(1)其中R表示乙烯基 基团,R 1表示烷基或苯基,R 2表示由下式(2)表示的基团:(*化学结构*)(2)其中p为2〜8的整数,q为 1〜10,n和m各自为正整数。 该组合物可以形成特别优异的耐酸性的胶凝固化产物。

    Storage stable and room temperature-curable organopolysiloxane
composition
    3.
    发明授权
    Storage stable and room temperature-curable organopolysiloxane composition 失效
    储存稳定和室温可固化的有机聚硅氧烷组合物

    公开(公告)号:US4879339A

    公开(公告)日:1989-11-07

    申请号:US163434

    申请日:1988-03-03

    摘要: A room temperature-curable organopolysiloxane composition is proposed which is useful as a material for imprinting or blocking of forms of, for example, medical and dental prostheses without the problem of curing retardation or incomplete curing. The composition comprises a vinyl-containing organopolysiloxane, organohydrogenpolysiloxane, platinum catalyst, inorganic filler, liquid paraffin or petrolatum and antioxidant. The antioxidant serves to protect the liquid paraffin or petrolatum from oxidation to produce oxidized compounds which may deactivate the platinum catalyst to cause curing retardation or incomplete curing.

    摘要翻译: 提出了一种室温可固化的有机聚硅氧烷组合物,其可用作用于例如医疗和牙科假体的形式的压印或阻塞的材料,而没有固化延迟或不完全固化的问题。 组合物包含含乙烯基的有机聚硅氧烷,有机氢聚硅氧烷,铂催化剂,无机填料,液体石蜡或凡士林和抗氧化剂。 抗氧化剂用于保护液体石蜡或凡士林不被氧化以产生氧化的化合物,其可使铂催化剂失活以引起固化延迟或不完全固化。

    Vulcanizable fluorinated silicone compositions
    4.
    发明授权
    Vulcanizable fluorinated silicone compositions 失效
    可硫化的氟化硅氧烷组合物

    公开(公告)号:US4818805A

    公开(公告)日:1989-04-04

    申请号:US157939

    申请日:1988-02-19

    IPC分类号: C08L83/07 C08L83/08 C08G77/06

    CPC分类号: C08L83/08

    摘要: Curable or vulcanizable fluorinated silicone compositions which comprise a uniform mixture of predetermined amounts of an organopolysiloxane of the following average unit formula ##STR1## in which R.sup.1 represents a monovalent hydrocarbon group having from 1 to 8 carbon atoms, and a and b are, respectively, a defined value; an organohydrogenpolysiloxane having at least three SiH groups in one molecule and consisting of the several siloxane units; and a catalytic amount of a platinum compound. If necessary, another type of polysiloxane may be added to the above composition in order to further improve physical properties. The composition is rapidly vulcanized to give a cured product having stable physical properties within a short time.

    Adhesion promotor
    5.
    发明授权
    Adhesion promotor 失效
    粘合促进剂

    公开(公告)号:US4727168A

    公开(公告)日:1988-02-23

    申请号:US774802

    申请日:1985-09-11

    摘要: The invention provides an efficient method for improving the adhesive bonding strength of various types of rubbery sealant compositions, e.g. room temperature curable silicone rubber composition, to the substrate surface on which it has been cured. The method comprises coating the substrate surface with or admixing the sealant composition before application to the substrate surface with an adhesion promotor which is a reaction product of a reaction mixture comprising:(a) 1 mole of an organic amine compound having at least one active hydrogen atom in a molecule or an aminoalkyl alkoxysilane compound;(b) from 0.5 to 4 moles of an organic compound having at least one epoxy group in a molecule or an epoxyalkyl alkoxysilane; and(c) from 0.5 to 12 moles of an alkoxysilane represented by the general formula R.sup.1.sub.a Si(OR.sup.2).sub.4-a, in which R.sup.1 is a hydrogen atom or a monovalent hydrocarbon group having 1 to 4 carbon atoms, R.sup.2 is a monovalent hydrocarbon group having 1 to 4 carbon atoms or an alkoxy-substituted alkyl group and a is a number of zero, 1, 2 or 3, or a partial hydrolysis product thereof, at least one of the components (a) and (b) being an aminoalkyl alkoxysilane or an epoxyalkyl alkoxysilane, respectively.

    摘要翻译: 本发明提供了一种改进各种类型的橡胶密封剂组合物的粘合强度的有效方法,例如, 室温可固化硅橡胶组合物,其固化在基材表面上。 该方法包括在施加到基材表面之前用密封剂组合物涂覆或混合密封剂组合物,粘合促进剂是反应混合物的反应产物,其包含:(a)1摩尔具有至少一个活性氢的有机胺化合物 分子中的原子或氨基烷基烷氧基硅烷化合物; (b)0.5〜4摩尔分子中具有至少一个环氧基的有机化合物或环氧烷基烷氧基硅烷; 和(c)0.5〜12摩尔由通式R1aSi(OR2)4-a表示的烷氧基硅烷,其中R1是氢原子或具有1-4个碳原子的一价烃基,R2是一价烃基 具有1至4个碳原子或烷氧基取代的烷基,a是0,1,2或3的数量或其部分水解产物,组分(a)和(b)中的至少一个是氨基烷基 烷氧基硅烷或环氧烷基烷氧基硅烷。

    Method for the preparation of an organopolysiloxane
    6.
    发明授权
    Method for the preparation of an organopolysiloxane 失效
    制备有机聚硅氧烷的方法

    公开(公告)号:US4722987A

    公开(公告)日:1988-02-02

    申请号:US896215

    申请日:1986-08-14

    IPC分类号: C08G77/00 C08G77/06 C08G77/32

    CPC分类号: C08G77/06 C08G77/32

    摘要: An oligomer or a mixture of organopolysiloxane oligomers is polymerized in the presence of a strong acid, e.g. trifluoromethane sulfonic acid, as the catalyst to give an organopolysiloxane containing a considerable amount of silanolic hydroxy groups at the molecular chain ends. Thereafter, the mixture is admixed with water and a hexaorganodisilazane or triorganosilyl amine compound in combination so as to neutralize the acid catalyst by the ammonia produced by the hydrolysis of the disilazane or silyl amine compound with simultaneous silylation of the terminal hydroxy groups. Thus, the organopolysiloxane contains a greatly decreased amount of the residual silanolic hydroxy groups at the molecular chain ends to be imparted with remarkably improved heat stability.

    摘要翻译: 有机聚硅氧烷低聚物的低聚物或混合物在强酸,例如, 三氟甲磺酸作为催化剂,得到在分子链末端含有相当量硅烷醇羟基的有机聚硅氧烷。 然后将混合物与水和六有机二硅氮烷或三有机甲硅烷基胺化合物混合,以便通过二硅氮烷或甲硅烷基胺化合物的水解产生的氨与末端羟基的同时甲硅烷基化中和酸催化剂。 因此,有机聚硅氧烷在分子链末端含有大量减少的残留硅烷醇羟基,赋予显着提高的热稳定性。

    System and device for processing supercritical and subcritical fluid
    8.
    发明授权
    System and device for processing supercritical and subcritical fluid 失效
    用于处理超临界和亚临界流体的系统和装置

    公开(公告)号:US07335296B2

    公开(公告)日:2008-02-26

    申请号:US10486907

    申请日:2002-10-09

    IPC分类号: B01D17/12

    摘要: A system for processing supercritical and subcritical fluid capable of bringing the inside of at least one processing container (1) formed in a flow passage into a supercritical or subcritical high pressure field, wherein thermal operation is applied to process fluid to apply thermal expansion to the fluid to produce a pressure difference between the processing container (1) and the outside, whereby a specified temperature and the high pressure field suitable for the processing of the supercritical or subcritical fluid can be provided in the processing container (1).

    摘要翻译: 一种用于处理超临界和亚临界流体的系统,其能够使形成在流动通道中的至少一个处理容器(1)的内部进入超临界或亚临界高压场,其中施加热操作以处理流体以将热膨胀施加到 流体以在处理容器(1)和外部之间产生压力差,从而可以在处理容器(1)中提供适合于处理超临界或亚临界流体的特定温度和高压场。

    Siloxane compounds
    10.
    发明授权
    Siloxane compounds 失效
    硅氧烷化合物

    公开(公告)号:US5200543A

    公开(公告)日:1993-04-06

    申请号:US906835

    申请日:1992-07-02

    IPC分类号: C07F7/21 C09J183/08

    CPC分类号: C07F7/21

    摘要: Novel siloxane compounds containing a SiH group, an alkoxy or epoxy group-containing organic group attached to a silicon atom, and a perfluoropolyether group-containing organic group, each at least one per molecule, are useful tackifiers for imparting good adhesion to various resins and even fluorinated silicone resins.

    摘要翻译: 含有SiH基,含硅烷氧基或含环氧基的有机基团的硅氧烷化合物和含全氟聚醚基团的有机基团每个分子至少有一个是用于赋予各种树脂的良好粘合性的增粘剂, 甚至氟化硅树脂。