MOISTURE-CURING RTV SILICONE COMPOSITION WITH HOMOGENEOUS DEEP-CURE

    公开(公告)号:US20210179904A1

    公开(公告)日:2021-06-17

    申请号:US17270792

    申请日:2019-08-23

    Abstract: A moisture-curing, condensation-crosslinking silicone composition that can be used as elastic adhesives and sealants. The silicone composition shows homogeneous depth curing, such that it cures through even under movement without forming cracks. The silicone composition contains at least one polyorganosiloxane having Si(OR3)3 end groups, at least one condensation catalyst and at least one crosslinker having hydrolyzable radicals, characterized in that the polymer end groups Si(OR3) have a reaction rate in the crosslinking reaction that is at least equal to and preferably higher than the hydrolyzable radicals of the at least one crosslinker.

    SILICONE FORMULATION WITH IMPROVED STORAGE STABILITY
    2.
    发明申请
    SILICONE FORMULATION WITH IMPROVED STORAGE STABILITY 审中-公开
    具有改善储存稳定性的硅胶配方

    公开(公告)号:US20150267094A1

    公开(公告)日:2015-09-24

    申请号:US14730877

    申请日:2015-06-04

    Inventor: Manuel FRIEDEL

    Abstract: A one-component or two-component silicone formulation including: a) at least one cross-linkable poly(diorganosiloxane); b) at least one oligomeric siloxane as a cross-linker for the poly(diorganosiloxane), wherein the oligomeric siloxane is a condensation product of monomeric silane cross-linkers; and c) at least one functionalized oligo(dimethylsiloxane). The one-component or two-component silicone formulation is suitable as an elastic adhesive or sealant, for example, in the automotive and solar fields, for façade construction, insulation glass, window glass or for construction in general.

    Abstract translation: 单组分或双组分硅氧烷制剂,其包含:a)至少一种可交联聚(二有机硅氧烷); b)作为聚(二有机硅氧烷)的交联剂的至少一种低聚硅氧烷,其中低聚硅氧烷是单体硅烷交联剂的缩合产物; 和c)至少一种官能化的低聚(二甲基硅氧烷)。 单组分或双组分硅氧烷配方适用于例如汽车和太阳能领域的弹性粘合剂或密封剂,用于外墙结构,隔热玻璃,窗玻璃或一般用于结构。

    CONDENSATION-CROSSLINKING SILICONES WITH IMPROVED RESISTANCE TO TEMPERATURE CHANGE
    3.
    发明申请
    CONDENSATION-CROSSLINKING SILICONES WITH IMPROVED RESISTANCE TO TEMPERATURE CHANGE 审中-公开
    具有改善耐温度变化的凝结交联硅

    公开(公告)号:US20170002201A1

    公开(公告)日:2017-01-05

    申请号:US15106611

    申请日:2014-12-15

    Abstract: A silicone formulation that has a) at least one condensation-crosslinkable hydroxy- or alkoxy-terminated polydiorganosiloxane, b) at least one silane crosslinking agent or siloxane crosslinking agent for the hydroxy- or alkoxy-terminated polydiorganosiloxane and c) one or more fillers, where one filler is the main filler, the proportion by weight of which in the silicone formulation is greater than that of any other filler that may be present, and the decomposition temperature of the main filler is above 350° C., with the proviso that the proportion of the main filler in relation to the total weight of the fillers is at least 20% by weight. The silicone formulation is particularly suitable as resilient adhesive or sealant, more particularly for high-temperature applications, e.g. for producing or repairing facades, fireproof joints, windows, insulative glazing, solar installations, vehicles, white or brown goods, heaters, electronic components, or sanitary installations, or for the construction sector.

    Abstract translation: 一种硅氧烷制剂,其具有a)至少一种可缩合交联的羟基或烷氧基封端的聚二有机硅氧烷,b)至少一种用于羟基或烷氧基封端的聚二有机硅氧烷的硅烷交联剂或硅氧烷交联剂,和c)一种或多种填料, 其中一个填料是主要填料,硅氧烷配方中其重量比例大于可能存在的任何其他填料的比例,主填料的分解温度高于350℃,条件是 主填料相对于填料的总重量的比例为至少20重量%。 硅氧烷制剂特别适合作为弹性粘合剂或密封剂,更具体地用于高温应用,例如, 用于生产或修理外墙,防火接头,窗户,绝缘玻璃,太阳能装置,车辆,白色或棕色货物,加热器,电子部件或卫生设施,或建筑部门。

    SILICONE COMPOSITION WITH IMPROVED MECHANICAL PROPERTIES
    4.
    发明申请
    SILICONE COMPOSITION WITH IMPROVED MECHANICAL PROPERTIES 审中-公开
    具有改进机械性能的硅酮组合物

    公开(公告)号:US20130245181A1

    公开(公告)日:2013-09-19

    申请号:US13747173

    申请日:2013-01-22

    CPC classification number: C08K5/56

    Abstract: The present invention relates to a silicone composition, including at least one addition or condensation curable polydiorganosiloxane with a viscosity of 10 to 500,000 MPa at a temperature of 23° C., at least one curing agent for the polydiorganosiloxane, at least one organotin compound, at least one complex of an element selected from the groups 4, 10, 12, 13 and 15 of the periodic system of elements, at least one silica acid with a BET surface of 50 to 300 m2/g, as well as at least one chalk with a BET surface of 10 to 25 m2/g and an average particle size d50 of 10 to 1000 nm. Such compositions are particularly suitable as adhesives, sealants, coatings or pouring compounds and are characterized by high tear propagation resistances.

    Abstract translation: 本发明涉及一种硅氧烷组合物,其包括至少一种在23℃的温度下粘度为10至500,000MPa的加成或缩合可固化聚二有机硅氧烷,至少一种聚二有机硅氧烷固化剂,至少一种有机锡化合物, 至少一种选自元素周期系统的组4,10,12,13和15的元素的复合物,至少一种BET表面积为50至300m 2 / g的二氧化硅,以及至少一种 白垩,BET表面积为10〜25m2 / g,平均粒径d50为10〜1000nm。 这种组合物特别适合作为粘合剂,密封剂,涂料或浇注化合物,其特征在于高的抗撕裂传播电阻。

    SILICONE SEALANT HAVING ADJUSTABLE FLOW PROPERTIES

    公开(公告)号:US20210062001A1

    公开(公告)日:2021-03-04

    申请号:US16960237

    申请日:2018-12-21

    Inventor: Manuel FRIEDEL

    Abstract: A single-component moisture-curable silicone composition including 100 parts by weight of at least one crosslinkable polydiorganosiloxane having silanol end groups, 5 to 20 parts by weight of at least one hydrophilic silica, 1 to 10 parts by weight of at least one organoalkoxysilane or organoalkoxysiloxane crosslinker that contains at least 2 alkoxysilane groups, 1 to 7 parts by weight of organoalkoxysilane or organoalkoxysiloxane that contains at least one aminoalkyl group having a primary amino group, 0.1 to 7 parts by weight of at least one tin catalyst, up to 5 parts by weight of organoalkoxysilane or organoalkoxysiloxane that contains at least two alkoxysilane groups, wherein silicone composition contains less than 1.0% by weight of water based on total composition, with proviso where reactivity in respect of hydrolysis of organoalkoxysilane or organoalkoxysiloxane is greater than reactivity in respect of hydrolysis of organoalkoxysilane or organoalkoxysiloxane crosslinker.

    COMBINATION OF RTV-1 SILICONE FORMULATION AND ACCELERATOR WITH ENHANCED CURE CHARACTERISTICS
    6.
    发明申请
    COMBINATION OF RTV-1 SILICONE FORMULATION AND ACCELERATOR WITH ENHANCED CURE CHARACTERISTICS 审中-公开
    RTV-1硅胶配方与加速器的组合与增强固化特性

    公开(公告)号:US20160208151A1

    公开(公告)日:2016-07-21

    申请号:US15023058

    申请日:2014-09-18

    CPC classification number: C09J183/04 B29C65/48 C08G77/18 C08L83/04

    Abstract: A two-component composition is described, comprising as component A) a one-component, moisture-curing silicone composition comprising a) at least one crosslinkable polydiorganosiloxane, b) at least one siloxane containing alkoxy groups as crosslinker, obtainable from the partial hydrolysis and condensation of one or more alkoxysilanes, at least one alkoxysilane being a trialkoxysilane or a tetraalkoxysilane, and the average degree of condensation of the siloxane containing alkoxy groups being at least 5, and c) at least one condensation catalyst, and as component B) an accelerator comprising water. The two-component composition makes a suitable adhesive or sealant. Addition of the aqueous accelerator to the silicone composition allows accelerated curing.

    Abstract translation: 描述了一种双组分组合物,其包含作为组分A)单组分湿固化硅氧烷组合物,其包含a)至少一种可交联的聚二有机硅氧烷,b)至少一种含有作为交联剂的烷氧基的硅氧烷,可从部分水解获得, 一个或多个烷氧基硅烷的缩合,至少一个烷氧基硅烷是三烷氧基硅烷或四烷氧基硅烷,并且含硅氧烷的烷氧基的平均缩合度至少为5,和c)至少一种缩合催化剂,和作为组分B) 促进剂包含水。 双组分组合物制成合适的粘合剂或密封剂。 向硅氧烷组合物中加入水性促进剂可加速固化。

    SILICONE MIXTURES WITH IMPROVED TEAR PROPAGATION RESISTANCE

    公开(公告)号:US20210284842A1

    公开(公告)日:2021-09-16

    申请号:US16323329

    申请日:2017-08-16

    Abstract: A silicone composition including: at least two reactive polydiorganosiloxane polymers P1 and P2 that together account for 20% to 60% by weight, based on the overall silicone composition; at least one crosslinker for polydiorganosiloxanes, with a proportion of 0.5% to 5% by weight, based on the overall silicone composition; at least one catalyst, with a proportion of 0.001% to 0.1% by weight, based on the overall silicone composition; at least one optionally hydrophobized filler, selected from precipitated or fumed silica and ground or precipitated chalk, with a proportion of 10% to 70% by weight, based on the overall silicone composition, wherein the reactive polyorganosiloxane polymer P1 has a higher reactivity in the condensation crosslinking with the crosslinker than the reactive polyorganosiloxane polymer P2 and the molar ratio P1:P2 in the composition is between 0.1 and 15.

    CROSSLINKABLE SILICONE MIXTURES CONTAINING A GUANIDINE CATALYST AND AN ADHESION PROMOTER

    公开(公告)号:US20190300768A1

    公开(公告)日:2019-10-03

    申请号:US16345763

    申请日:2017-11-09

    Abstract: A crosslinkable silicone composition including: a. at least one condensation-crosslinkable polydiorganosiloxane P having silanol, alkoxysilyl, carboxysilyl, ketoximinosilyl, amidosilyl and/or aminosilyl end groups; b. at least one silane or siloxane crosslinker V for the condensation-crosslinkable polydiorganosiloxane; c. at least one crosslinking catalyst K1 of the general formula (I) d. at least one adhesion promoter H of the general formula (IV). Compositions of this kind are especially suitable as adhesives, sealants, coatings or casting compounds and are notable for a low tendency to separate and very good adhesion under moist and warm conditions.

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