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    • 2. 发明授权
    • Organopolysiloxane materials which can be cross-linked by cleaving alcohols into elastomers
    • 可通过将醇裂解成弹性体而交联的有机聚硅氧烷材料
    • US06531621B1
    • 2003-03-11
    • US09582143
    • 2000-07-18
    • Norman DorschRudolf HeinrichOswin SommerStefan ObernederWolfgang Hechtl
    • Norman DorschRudolf HeinrichOswin SommerStefan ObernederWolfgang Hechtl
    • C07F708
    • C08G77/18C08G77/08C08G77/20C09K3/1018
    • The invention relates to a method for producing organopolysiloxane terminated with alkoxy groups, wherein A) organopolysiloxane terminated with HO is reacted with B) alkoxysilane having at least three alkoxy groups and/or whose partial hydrolysate is made to react in the presence of C) acid phosphoric acid ester of general formula (I): (HO)aOP(—O—[(CR12)b—O]c[(CR22)d]e—L—M)(3−a), wherein a=1 or 2; R1 and R2=a hydrogen, methyl or hydroxyl radical; b and d=2 or 3; c=integral values from 2 to 15; e=0 or 1; L=a radical from the group —O—, —COO—, —OOC—, —CONR3—, —NR4CO— and —CO—; R3 and R4=a hydrogen or a C1-C10-alkyl radical and M=a monovalent, optionally a hydroxyl, fluorine, chlorine, bromine, C1-C10-alkoxylalkyl or cyano group substituted C1- to C20-hydrocarbon radical, provided that the radicals R1 and R2 can only be at one given time a hydroxyl radical in each hydrocarbon atom. The invention further relates to RTV-1-alkoxy masses comprising the reaction product containing organopolysiloxane terminated with alkoxy groups as the essential constituent.
    • 本发明涉及一种制备用烷氧基封端的有机聚硅氧烷的方法,其中A)用HO封端的有机聚硅氧烷与B反应,B)具有至少三个烷氧基的烷氧基硅烷和/或其部分水解产物在C)酸存在下反应 (I)的磷酸酯:(HO)aOP(-O - [(CR12)bO] c [(CR22)d] eLM)(3-a),其中a = 1或2; R1和R2 =氢,甲基或羟基; b和d = 2或3; c =从2到15的积分值; e = 0或1; L =从-O - , - O - , - OOC - , - CONR 3 - , - NR 4 CO - 和-CO - 基团的基团; R 3和R 4 =氢或C 1 -C 10 - 烷基,M =单价,任选的羟基,氟,氯,溴,C 1 -C 10 - 烷氧基烷基或氰基取代的C 1 -C 20烃基,条件是 基团R 1和R 2只能在一个给定时间在每个烃原子中具有羟基。 本发明还涉及包含以烷氧基为终点的有机聚硅氧烷作为必要成分的反应产物的RTV-1-烷氧基团。
    • 8. 发明授权
    • Compositions which crosslink in the presence of moisture at room
temperature to form elastomers
    • 在室温下在水分存在下交联以形成弹性体的组合物
    • US4944989A
    • 1990-07-31
    • US255234
    • 1988-10-11
    • Norman Dorsch
    • Norman Dorsch
    • C03C27/10C08K5/5435C08K5/549C08L83/04C09J183/00C09J183/04C09K3/10
    • C08K5/549C09J183/04Y10S528/901Y10T428/249991Y10T428/249992Y10T428/31612Y10T428/31663
    • Compositions which can be stored in the absence of moisture, but crosslink in the presence of moisture at room temperature to form elastomers comprising a diorganopolysiloxane having terminal condensable groups, a silicon compound having at least three hydrolyzable groups bonded directly to silicon per molecule, an average of at least one acyloxy group being present as a hydrolyzable group per silicon atom in the silicon compound, and an organosilicon compound having at least one vicinal epoxy group, in which at least part of the organosilicon compound containing at least one vicinal epoxy group is a cyclic diorganopolysiloxane. These compositions are prepared by mixing under anhydrous conditions a diorganopolysiloxane having terminal condensable groups with a silicon compound having at least three hydrolyzable groups bonded directly to silicon per molecule, an average of at least one acyloxy group being present as a hydrolyzable group per silicon atom in the silicon compound and an organosilicon compound having at least one vicinal epoxy group, in which at least part of the organosilicon compound containing at least one vicinal epoxy group is a cyclic diorganopolysiloxane.
    • 组合物,其可以在没有水分的情况下储存,但在室温下存在水分时交联以形成包含具有末端可缩合基团的二有机聚硅氧烷的弹性体,具有至少三个可水解基团的硅化合物,每个分子直接与硅键合,平均 存在至少一个酰氧基作为硅化合物中的每个硅原子的可水解基团存在,以及具有至少一个邻位环氧基的有机硅化合物,其中至少一部分含有至少一个邻位环氧基的有机硅化合物为 环状二有机聚硅氧烷。 这些组合物是通过在无水条件下混合具有末端可缩合基团的二有机聚硅氧烷与每分子具有至少三个直接键合至硅的可水解基团的硅化合物,平均每个硅原子存在至少一个酰氧基作为可水解基团 硅化合物和具有至少一个邻位环氧基的有机硅化合物,其中至少一部分含有至少一个邻位环氧基的有机硅化合物是环状二有机聚硅氧烷。
    • 9. 发明授权
    • Organopolysiloxane compositions which are stable under anhydrous
conditions and elastomers formed therefrom
    • 在无水条件下稳定的有机聚硅氧烷组合物和由其形成的弹性体
    • US4460761A
    • 1984-07-17
    • US466255
    • 1983-02-14
    • August SchillerNorman Dorsch
    • August SchillerNorman Dorsch
    • C09K3/10C08G77/38C08K5/57C08L83/00C08L83/04C08L101/10C08G77/06
    • C08K5/57
    • Compositions which are stable when stored under anhydrous conditions, but which crosslink to form elastomers when exposed to moisture at room temperature are prepared by mixing (1) a diorganopolysiloxane having terminal condensable groups, with (2) a silicon compound containing at least three groups per molecule selected from amino groups which are bonded to silicon via nitrogen, oxime groups which are bonded to silicon via oxygen or mixtures thereof and (3) a product which is obtained from the reaction of (a) a silane containing as hydrolyzable groups at least two monovalent hydrocarbon radicals per molecule which are bonded to silicon via oxygen in which the monovalent hydrocarbon radicals may be interrupted by at least one ether-oxygen, or an oligomer thereof, with (b) a diorganotin diacylate, in which all the valences of the tin atom in the reaction product are saturated by SnC-bonded monovalent radicals or by oxygen atoms of the .tbd.SiOSn.tbd. group.
    • 通过将(1)具有末端可缩合基团的二有机基聚硅氧烷与(2)含有至少三个基团的硅化合物混合,制备在室温下暴露于水分时交联形成弹性体时稳定的组合物 选自经由氮键合到硅的氨基的分子,通过氧或其混合物与硅键合的肟基和(3)从(a)含有至少两个可水解基团的硅烷的反应得到的产物 通过氧,其中单价烃基可以被至少一个醚 - 氧或其低聚物与(b)二有机锡二酰化物中间体的氧连接到硅上,每分子中的单价烃基,其中锡的全部化合价 反应产物中的原子被SnC键合的一价基团或3BOND SiOSn 3BOND基团的氧原子饱和。