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    HERSTELLUNG VON ALKOXYSILOXANEN
    3.
    发明公开
    HERSTELLUNG VON ALKOXYSILOXANEN 审中-实审

    公开(公告)号：EP4349882A1

    公开(公告)日：2024-04-10

    申请号：EP23190748.6

    申请日：2023-08-10

    Applicant: Evonik Operations GmbH

    Inventor： Knott, Wilfried ,  Dudzik, Horst ,  Henning, Frauke

    IPC: C08G77/18 ,  C08G77/06 ,  C08K5/057

    Abstract: Verfahren zur Herstellung von einem oder mehreren Alkoxysiloxanen durch thermische Umsetzung von mindestens einem Siloxangrundkörper mit mindestens einem Alkalimetallalkoholat und mindestens einem Alkohol, wobei man in einem ersten Schritt den mindestens einen Siloxangrundkörper unter Durchmischung mit mindestens einem Alkohol und mindestens einem Alkalimetallalkoholat unter Wärmeeintrag umsetzt, und zwar ohne Entfernung von etwaig auftretendem Wasser aus der Reaktionsmischung, und danach die aus dem ersten Schritt hervorgegangene Reaktionsmischung in einem zweiten Schritt durch Hinzufügen mindestens einer Brönstedtsäure neutralisiert, vorzugsweise feste Bestandteile abfiltriert und danach das oder die Alkoxysiloxane durch thermisches Abtrennen flüchtiger Verbindungen isoliert, wobei der mindestens eine Siloxangrundkörper ausgewählt ist aus der Gruppe bestehend aus Hexamethylcyclotrisiloxan (D 3 ), Octamethylcyclotetrasiloxan (D 4 ), Dekamethylcyclopentasiloxan (D 5 ), Dodekamethylcyclohexasiloxan (D 6 ), Mischungen zyklischer-verzweigter Siloxane vom D/T-Typ, Silikonöle, Polydimethylsiloxandiole und α,ω-Divinytsitoxane.

    CURABLE COMPOSITION
    6.
    发明公开
    CURABLE COMPOSITION 审中-公开

    公开(公告)号：EP3705529A1

    公开(公告)日：2020-09-09

    申请号：EP18874227.4

    申请日：2018-10-30

    Applicant: Daikin Industries, Ltd.

    Inventor： HONDA, Yoshiaki

    IPC: C08L71/00 ,  C08G77/46 ,  C08G77/50 ,  C08K5/057 ,  C08K5/5415 ,  C08K5/5419 ,  C08K5/57

    Abstract: A curable composition including a perfluoro(poly)ether group-containing silane compound which is a compound having two or more Si atoms each bonding to at least one group selected from the group consisting of a hydroxyl group and a hydrolyzable group, and a perfluoro(poly)ether group, wherein the perfluoro(poly)ether group is a group represented by formula: -(OC 6 F 12 ) a -(OC 5 F 10 ) b -(OC 4 F 8 ) c -(OC 3 X 10 6 ) d -(OC 2 F 4 ) e -(OCF 2 ) f -, wherein a, b, c and d are each independently an integer of 0 or more and 30 or less, e and f are each independently an integer of 1 or more and 200 or less, the sum of a, b, c, d, e and f is at least 5 or more, the occurrence order of the respective repeating units in parentheses with the subscript a, b, c, d, e or f is not limited in the formula, a ratio of e to f is 1.0 or more, and each X 10 , at each occurrence, is independently a hydrogen atom, a fluorine atom or a chlorine atom; an organosilicon compound having at least two -O-R g3 (s) each bonding to a Si atom, wherein each R g3 , at each occurrence, is independently a hydrogen atom or a monovalent organic group; and a catalyst.

    TWO-PART CURABLE COMPOSITION
    7.
    发明公开
    TWO-PART CURABLE COMPOSITION 审中-公开
    两部分可固化组合物

    公开(公告)号：EP3231818A1

    公开(公告)日：2017-10-18

    申请号：EP15867204.8

    申请日：2015-12-01

    Applicant: Toagosei Co., Ltd.

    Inventor： ISHIZAKI, Kenichi ,  ANDO, Yushi

    IPC: C08F2/44 ,  C08K5/057 ,  C08K5/315 ,  C08L101/10 ,  C08L101/12

    CPC classification number: C08F222/32 ,  C08F2/44 ,  C08F2222/328 ,  C08K5/057 ,  C08K5/315 ,  C08K5/5425 ,  C08L101/10 ,  C08L101/12 ,  C09J4/06 ,  C09J201/00 ,  C08F255/06 ,  C08F283/06

    Abstract: Provided is a two-part curable composition which has excellent curability, and exhibits flexibility and adhesion durability. The two-part curable composition comprises a first reagent containing at least a 2-cyanoacrylic acid ester and a second reagent containing at least a polymer having a hydrolyzable silyl group, in which an elastomer and a curing catalyst for the above polymer are each contained in at least one of the first and second reagents in predetermined amounts. A preferable curing catalyst is a compound having a metal element and an organic group bonded to the metal element via oxygen, or an acid having a pKa of 4 or lower at 25°C. Preferably, a curing accelerator for 2-cyanoacrylic acid ester is contained in at least one of the first and second reagents.

    Abstract translation: 本发明提供固化性优异，并且具有柔软性和密合耐久性的双组分固化性组合物。 双组分可固化组合物包含至少含有2-氰基丙烯酸酯的第一试剂和至少含有具有可水解甲硅烷基的聚合物的第二试剂，其中用于上述聚合物的弹性体和固化催化剂分别包含在 第一和第二试剂中的至少一种以预定量存在。 优选的固化催化剂是具有金属元素和通过氧与金属元素键合的有机基团的化合物，或在25℃下具有4或更低的pKa为4以下的酸。 优选地，用于2-氰基丙烯酸酯的固化促进剂包含在第一和第二试剂中的至少一种中。

    SILICONE GEL COMPOSITION
    8.
    发明公开
    SILICONE GEL COMPOSITION 审中-公开
    SILIKONGELZUSAMMENSETZUNG

    公开(公告)号：EP3099746A4

    公开(公告)日：2017-09-27

    申请号：EP15740359

    申请日：2015-01-22

    Applicant: DOW CORNING TORAY CO LTD

    Inventor： ENAMI HIROJI

    IPC: C08L83/07 ,  C08K5/057 ,  C08K5/07 ,  C08K5/5415 ,  C08K5/5445 ,  C08L83/05 ,  C08L83/06 ,  H01L23/29 ,  H01L23/31

    CPC classification number: C08G77/44 ,  C08G77/12 ,  C08G77/20 ,  C08K5/0091 ,  C08K5/06 ,  C08K5/5415 ,  C08K5/5425 ,  C08K5/5435 ,  C08K5/549 ,  C08K5/56 ,  C08L83/00 ,  C08L83/04 ,  H01L23/296 ,  H01L2924/0002 ,  H01L2924/00

    Abstract: A silicone gel composition for use in sealing or filling of electrical or electronic parts comprising at least one adhesion promoter (Z), and by curing to form a silicone gel having, at 25° C. and a shear frequency of 0.1 Hz, a loss elastic modulus of from 5.0×103 to 1.0×105 dyne/cm2, a complex elastic modulus of from 5.0×104 to 1.0×106 dyne/cm2, and a loss tangent of 0.3 or less. The silicone gel composition is provided, which can suppress the occurrence of air bubbles or cracks in silicone gel that seals or fills an electrical or electronic part and has excellent bonding to the electrical or electronic part even when used under high-temperature conditions as in a power device; and a silicone gel is provided, which can suppress the occurrence of air bubbles or cracks when it seals or fills an electrical or electronic part.

    Abstract translation: 一种用于密封或填充包含至少一种增粘剂（Z）的电气或电子部件的有机硅凝胶组合物，并且通过固化以形成在25℃和0.1Hz的剪切频率下具有损失 弹性模量为5.0×103-1.0×105达因/厘米2，复数弹性模量为5.0×104-1.0×106达因/厘米2，损耗角正切为0.3或更小。 提供了这样的有机硅凝胶组合物，其可以抑制密封或填充电气或电子部件的硅凝胶中的气泡或裂纹的发生，并且即使在高温条件下使用时也具有与电气或电子部件的优异结合 功率器件; 并且提供了硅凝胶，其在密封或填充电气或电子部件时可抑制气泡或裂缝的发生。

    PRIMER FÜR KLEBEBÄNDER
    9.
    发明公开
    PRIMER FÜR KLEBEBÄNDER 审中-公开
    PRIMERFÜRKLEBEBÄNDER

    公开(公告)号：EP3186309A1

    公开(公告)日：2017-07-05

    申请号：EP15760374.7

    申请日：2015-08-27

    Applicant: tesa SE

    Inventor： DIETZE, Sebastian ,  ELLRINGMANN, Kai ,  KUPSKY, Marco ,  NGUYEN, Duc Hung ,  SCHÜMANN, Uwe

    IPC: C08K5/057 ,  C09J139/06

    CPC classification number: C09J5/02 ,  B05D3/0254 ,  C08K5/057 ,  C08L23/28 ,  C08L51/06 ,  C09J139/06 ,  C09J2201/606 ,  C09J2400/166 ,  C09J2423/108 ,  C09J2423/168 ,  C09J2425/00 ,  C09J2427/008 ,  C09J2433/00 ,  C09J2433/003 ,  C09J2455/008 ,  C09J2463/003

    Abstract: The present invention provides a primer for adhesive tapes with improved adhesion-promoting properties. This is achieved with a primer comprising a mixture G, which is dissolved or dispersed in one or more solvents, consisting of at least one co-polymer obtained by co-polymerization of a monomer mixture, comprising an amount of at least 90 wt% of the following monomers: vinylcaprolactam and/or vinylpyrrolidone; - one or more of the monomers a) and/or b): a) acrylic acid ester of a linear, primary alcohol having 2 to 10 carbon atoms in the alkyl group of the alcohol, b) acrylic acid ester of a branched, non-cyclic alcohol having 3 to 12 carbon atoms in the alkyl group of the alcohol, - at least one chlorinated polyolefin, and at least one metal compound selected from the group consisting of metal acetylacetonates, metal alkoxides and alkoxy-metal acetylacetonates.

    Abstract translation: 本发明提供具有改进的粘合促进性能的用于胶带的底漆。 这通过包含混合物G的底漆来实现，所述混合物G溶解或分散在一种或多种溶剂中，所述溶剂由至少一种通过共聚单体混合物获得的共聚物组成，所述共聚物包含至少90重量％的 以下单体：乙烯基己内酰胺和/或乙烯基吡咯烷酮; - 一种或多种单体a）和/或b）：a）醇的烷基中具有2至10个碳原子的直链伯醇的丙烯酸酯，b）支链，非 - 醇的烷基中具有3至12个碳原子的环状醇， - 至少一种氯化聚烯烃和至少一种选自金属乙酰丙酮化物，金属醇盐和烷氧基 - 金属乙酰丙酮化物的金属化合物。

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