会员体验
专利管家(专利管理)
工作空间(专利管理)
风险监控(情报监控)
数据分析(专利分析)
侵权分析(诉讼无效)
联系我们
交流群
官方交流:
QQ群: 891211   
微信请扫码    >>>
现在联系顾问~
热词
    • 14. 发明授权
    • Process for the preparation of an organopolysiloxane resin
    • 制备有机聚硅氧烷树脂的方法
    • US5401821A
    • 1995-03-28
    • US165788
    • 1993-12-13
    • Michael GeckChristian HerzigBernward DeubzerHelmut Oswaldbauer
    • Michael GeckChristian HerzigBernward DeubzerHelmut Oswaldbauer
    • B01D19/04C08G77/06C08G77/32C08G77/36C09D7/12D21H19/32G03G9/087C08G77/08
    • B01D19/0409C08G77/06C09D7/125D21H19/32G03G9/08773
    • Process for the preparation of an organopolysiloxane resin, which comprisesin a first stage reacting at least one silane of the formulaR.sub.a Si(OR.sup.1).sub.4-a (I)in which a has a value of 0, 1, 2 or 3, R and R.sup.1 are monovalent organic radicals which may be the same or different and/or a partial hydrolyzate thereof, with the proviso that at least one silane of formula (I), where a is 0 or 1 and/or a partial hydrolyzate thereof is employed, and optionally an organo(poly)siloxane with water in the presence of a poly-protic acid and optionally other substances, subsequently partly neutralizing the acid by addition of a base and then distilling off at least some of the compound R.sup.1 OH formed,in a second stage reacting the homogeneous reaction mass resulting from the first stage in the presence of a base and a water-insoluble organic solvent and distilling off the water and the compound R.sup.1 OH,in a third stage, bringing the homogeneous reaction mass resulting from the second stage to a pH of between 6 and 8 by buffering with a poly-protic acid and/or salts thereof, distilling off the water and any compound R.sup.1 OH still present and filtering off the salt which has precipitated, andoptionally, in a fourth stage separating the homogeneous reaction mass resulting from the third stage from the water-insoluble organic solvent.
    • 一种制备有机聚硅氧烷树脂的方法,该方法包括在第一阶段使至少一种式RaSi(OR1)4-a(I)的硅烷反应其中a值为0,1,2或3,R和 R 1是可以相同或不同的一价有机基团和/或其部分水解产物,条件是使用至少一种式(I)的硅烷,其中a为0或1,和/或其部分水解产物, 和任选的有机(聚)硅氧烷与水在多质子酸和任选的其它物质的存在下,随后通过加入碱部分中和酸,然后在第二次蒸馏出至少一些所形成的化合物R 1 OH 在碱的存在和水不溶性有机溶剂的存在下使由第一阶段产生的均相反应物质反应,并在第三阶段中蒸馏除去水和化合物R1OH,使由第二阶段产生的均匀反应物质 pH在6 a之间 通过用聚 - 质子酸和/或其盐缓冲,蒸出水和仍存在的任何化合物R1OH,并过滤沉淀的盐,并且任选地在第四阶段中分离由 第三阶段来自水不溶性有机溶剂。
    • 16. 发明授权
    • Crosslinkable compositions comprising organopolysiloxanes containing
aliphatically unsaturated hydrocarbon radicals
    • 包含含有脂肪族不饱和烃基的有机聚硅氧烷的可交联组合物
    • US5760145A
    • 1998-06-02
    • US882841
    • 1997-06-26
    • Christian HerzigDavid HuettnerKathy Beekel
    • Christian HerzigDavid HuettnerKathy Beekel
    • C08G77/50C08L83/14C09D183/14C08G77/08
    • C08L83/14C08G77/50C09D183/14Y10T428/31663
    • Novel crosslinkable compositions are described, comprising (A) organopolysiloxanes containing aliphatically unsaturated hydrocarbon radicals, comprising; (a) at least one unit, per molecule, of the formula ##STR1## in which A is a radical of the formula --(OSiR.sup.1 R.sup.2).sub.z --(OSiR.sub.2).sub.x --Y--SiR.sub.2 O.sub.1/2,R is identical or different and is a monovalent, aliphatically saturated or aromatic hydrocarbon radical having 1 to 12 carbon atoms per radical, R.sup.1 is a radical of the formula --OSiR.sub.2 --Y--SiR.sub.2 O.sub.1/2, R.sup.2 has the meaning of R, R.sup.1 or R', where R' is a monovalent, aliphatically saturated or aromatic hydrocarbon radical having 1 to 12 carbon atoms per radical, which contains one or more heteroatoms chosen from the group consisting of O, S, N, Si and Ti, Y is a divalent hydrocarbon radical of the formula --CH.sub.2 CHR.sup.5 (--R.sup.4).sub.v --, in which R.sup.4 is a divalent hydrocarbon radical having 1 to 10 carbon atoms per radical or a chemical bond, if v has the value 0, R.sup.5 is a hydrogen atom or has the meaning of R, v is 0 or 1, x and z is identical or different and is 0 or 1, and B has the meaning of A or R or R', with the proviso that B is R or R' if x is 0, (b) at least one unit, per molecule, of the formula O.sub.1/2 SiR.sub.2 R.sup.3 (II), in which R has the meaning given above for this radical and R.sup.3 is an aliphatically unsaturated hydrocarbon radical of the formula H.sub.2 C.dbd.CR.sup.5 (--R.sup.4).sub.v --, in which R.sup.4 and R.sup.5 have the meaning given above for these radicals.
    • 描述了新的可交联组合物,其包含(A)含有脂族不饱和烃基的有机聚硅氧烷,其包含: (a)每分子至少一个式(I)的化合物,其中A是式 - (OSiR 1 R 2)z - (OSiR 2)x Y-SiR 2 O + E,f 1/2 + EE R是相同或不同的,并且是每个基团具有1至12个碳原子的单价,脂族饱和或芳族烃基,R1是下式-OSiR2-Y-SiR2O + E的基团,1/2 + EE,R2 具有R,R 1或R'的含义,其中R'是每个基团具有1至12个碳原子的单价脂族饱和或芳族烃基,其含有一个或多个选自O,S,N ,Si和Ti,Y是式-CH 2 CHR 5(-R 4)v - 的二价烃基,其中R 4是每个基团或化学键具有1至10个碳原子的二价烃基,如果v具有值0 R 5为氢原子或具有R的含义,v为0或1,x和z相同或不同,为0或1,B具有A或R或R'的含义,条件是B 如果x为0,则为R或R',(b)a 每分子至少一个单位,式O + E,1/2 + EESiR 2 R 3(II),其中R具有上述对该基团的含义,并且R 3是式IIC的脂族不饱和烃基: CR5(-R4)v-,其中R4和R5具有上述对这些基团的含义。