Thermosetting compositions which can be cured to form molded objects or
coatings
    1.
    发明授权
    Thermosetting compositions which can be cured to form molded objects or coatings 失效
    可以固化以形成模制物体或涂层的热固性组合物

    公开(公告)号:US4102970A

    公开(公告)日:1978-07-25

    申请号:US780576

    申请日:1977-03-23

    IPC分类号: C08L83/04 B28B3/20

    CPC分类号: C08L83/04 C08G77/16 C08G77/70

    摘要: Thermosetting compositions which can be used to form molded articles and coatings comprising (1) organopolysiloxanes having at least 40 mol percent monoorganosiloxane units and at least 0.1 percent by weight of condensable groups, (2) fillers and/or reinforcing agents, (3) a condensation catalyst, if desired, and (4) diorganopolysiloxanes having a viscosity of at least 30 cSt at 25.degree. C. in which the diorganopolysiloxanes (4) are present in an amount of from about 15 to 30 percent by weight based on the organopolysiloxanes (1), and the mixture of organopolysiloxanes (1) and (4) forms two phases.

    摘要翻译: 可用于形成模制品和涂料的热固组合物,其包含(1)具有至少40摩尔%单有机硅氧烷单元和至少0.1重量%可冷凝基团的有机聚硅氧烷,(2)填料和/或增强剂,(3) 如果需要,缩合催化剂和(4)在25℃下粘度至少为30cSt的二有机聚硅氧烷,其中二有机聚硅氧烷(4)的存在量为基于有机聚硅氧烷的约15至30重量% 1),有机聚硅氧烷(1)和(4)的混合物形成两相。

    Organopolysiloxanes with dye residues
    3.
    发明授权
    Organopolysiloxanes with dye residues 有权
    有染料残留的有机聚硅氧烷

    公开(公告)号:US06194534B1

    公开(公告)日:2001-02-27

    申请号:US09380977

    申请日:1999-09-20

    IPC分类号: C08G7726

    摘要: The invention relates to organopolysiloxanes with dye residues comprising units of the general formula R1a(RO)bAcR2dSiO(4−a−b−c−d)/2  (I) wherein R can be identical or different and is hydrogen atom or monovalent, substituted or unsubstituted hydrocarbon radical, R1 can be identical or different and is hydrogen atom or monovalent, SC-bonded hydrocarbon radical, R2 can be identical or different and is substituted, monovalent, Si—C bonded hydrocarbon radical, A can be identical or different and is a radical of a water-soluble organic dye containing at least one of sulfonic acid groups, sulfonate groups, or metal complexes thereof, a is 0, 1, 2, or 3, b is 0, 1, 2 or 3, d is 0, 1, 2, or 3 and c is 0, 1 or 2 with the proviso that the sum of a, b, c and d is less than or equal to 3, the organopolysiloxanes have at least one radical, and, in the units of the formula (I) where c is other than 0, d is 0.

    摘要翻译: 本发明涉及具有一般化学式R的单元的染料残基的有机聚硅氧烷可以相同或不同,并且是氢原子或一价,取代或未取代的烃基,R 1可以相同或不同,并且是氢原子或一价SC-键合烃 基团可以相同或不同,并且是取代的一价Si-C键合的烃基,A可以相同或不同,并且是含有磺酸基,磺酸酯基,磺酸基等的至少一种的水溶性有机染料的基团, 或其金属络合物,a为0,1,2或3,b为0,1,2或3,d为0,1,2或3,c为0,1或2,条件是总和 的a,b,c和d小于或等于3,有机聚硅氧烷具有至少一个基团,并且以式(I)为单位,其中c不为0,d为0。

    Process for preparing organosilicon compounds containing (meth)acryloxy
groups
    4.
    发明授权
    Process for preparing organosilicon compounds containing (meth)acryloxy groups 失效
    制备含有(甲基)丙烯酰氧基的有机硅化合物的方法

    公开(公告)号:US5869726A

    公开(公告)日:1999-02-09

    申请号:US931723

    申请日:1997-09-16

    CPC分类号: C09D183/06 C08G77/38

    摘要: A novel process for preparing organosilicon compounds containing (meth)acxyloxy groups is described, in which alkoxylated alk-2-yne 1,4-di(meth)acrylates (1) of the formula ##STR1## where R.sup.2 is a hydrogen atom or a methyl radical,R.sup.3 is a linear or branched alkylene radical having from 1 to 6 carbon atoms per radical andR.sub.4 is a linear or branched alkylene radical having from 1 to 6 carbon atoms per radical, andz is an integer from 1 to 12,are reacted with organosilicon compounds (2) comprising units of the formula ##STR2## where R is an identical or different monovalent, optionally halogenated hydrocarbon radical having from 1 to 18 carbon atoms per radical, ande is 0 or 1, on average from 0.01 to 1.0,f is 0, 1, 2 or 3, on average from 0.0 to 3.0, andhaving at least one Si-bonded hydrogen atom per molecule in the presence of catalysts (3) which promote the addition Si-bonded hydrogen onto aliphatic multiple bonds and also in the presence of polymerization inhibitors (4), where alkoxylated alk-2-yne 1,4-di(meth)acrylates (1) are used in amounts of from 1.01 to 1.5 mole per gram atom of Si-bonded hydrogen in organosilicon compound (2).

    摘要翻译: 描述了制备含有(甲基)丙氧基的有机硅化合物的新方法,其中式(II)的烷氧基​​化烷基-2-炔基1,4-二(甲基)丙烯酸酯(1)其中R2是氢 原子或甲基,R3是每个基团具有1至6个碳原子的直链或支链亚烷基,R4是每个基团具有1至6个碳原子的直链或支链亚烷基,z是1至 12与包含式(III)的单元的有机硅化合物(2)反应,其中R是相对或不同的每个基团具有1至18个碳原子的单价,任选卤代烃基,e是0或1 平均为0.01〜1.0,f为0,1,2或3,平均为0.0〜3.0,在催化剂(3)的存在下,每分子具有至少一个Si键合的氢原子,促进Si的添加 键合的氢键到脂族多重键上,并且在聚合抑制剂的存在下(4), 其中烷氧基化的烷基-2-炔1,4-二(甲基)丙烯酸酯(1)的用量为有机硅化合物(2)中每克原子的Si键合氢的1.01至1.5摩尔。

    Soluble organopolysiloxane free-radical macroinitators for graft
copolymerization
    7.
    发明授权
    Soluble organopolysiloxane free-radical macroinitators for graft copolymerization 失效
    用于接枝共聚的可溶性有机聚硅氧烷自由基大分子

    公开(公告)号:US5605983A

    公开(公告)日:1997-02-25

    申请号:US360102

    申请日:1994-12-20

    CPC分类号: C08G77/48 C08F283/12

    摘要: The invention relates to partially crosslinked organopolysiloxanes which contain a radical forming group, a base-catalyzed process for their preparation, graft copolymers produced from these organopolysiloxanes and a process for the preparation of the graft copolymers. The present invention avoids problems related to known methods wherein a considerable portion of the organopolymer chains do not graft to the organopolysiloxane graft back-bone but remain as an unattached homopolymers.

    摘要翻译: 本发明涉及含有自由基形成基团的部分交联的有机聚硅氧烷,其制备的碱催化方法,由这些有机聚硅氧烷制备的接枝共聚物和制备接枝共聚物的方法。 本发明避免了与已知方法相关的问题,其中相当大一部分的有机聚合物链不接枝到有机聚硅氧烷移植物背骨上,而是保留为未附着的均聚物。

    Process for the preparation or organosilicon compounds carrying
sulfur-containing organic radicals
    9.
    发明授权
    Process for the preparation or organosilicon compounds carrying sulfur-containing organic radicals 失效
    用于制备含有机硅基团的有机硅化合物的方法

    公开(公告)号:US5532399A

    公开(公告)日:1996-07-02

    申请号:US190132

    申请日:1994-02-03

    摘要: The invention relates to a process by which organosilicon compounds carrying sulfur-containing organic radicals can easily be prepared by reacting organosilicons of the general formulaR.sub.a (R.sup.1 O).sub.b R.sup.2.sub.c SiO.sub.(4-a-b-c)/2(I)in whichR can be identical or different and is a monovalent organic radical,R.sup.1 can be identical or different and is a hydrogen atom or a monovalent organic radical,R.sup.2 can be identical or different and is a radical --QX, where Q is a divalent hydrocarbon radical and X is a halogen atom,a is 0, 1, 2 or 3,b is 0, 1, 2 or 3 andc is 0, 1, 2 or 3,with the proviso that the organosilicon compound has at least one radical R.sup.2 per molecule and the sum of a, b and c is less than or equal to 4, with sulfite in the presence of water.

    摘要翻译: PCT No.PCT / EP92 / 02215 Sec。 371日期:1994年2月3日 102(e)日期1994年2月3日PCT提交1992年9月24日PCT公布。 出版物WO93 / 08228 日期:1993年04月29日本发明涉及一种通过使通式Ra(R1O)bR2cSiO(4-abc)/ 2(I)的有机硅反应生成含硫有机基团的有机硅化合物容易地制备的方法。 其中R可相同或不同,为一价有机基团,R 1可相同或不同,为氢原子或一价有机基团,R 2可相同或不同,为基团-QX,其中Q为二价烃 基团,X是卤素原子,a是0,1,2或3,b是0,1,2或3,c是0,1,2或3,条件是有机硅化合物具有至少一个基团 每个分子的R2和a,b和c的总和小于或等于4,在水存在下用亚硫酸盐。

    Elastomeric graft copolymers having a core/shell structure
    10.
    发明授权
    Elastomeric graft copolymers having a core/shell structure 失效
    具有核心/壳结构的弹性纤维共聚物

    公开(公告)号:US5223586A

    公开(公告)日:1993-06-29

    申请号:US806505

    申请日:1991-12-13

    IPC分类号: C08F283/12 C08G77/42

    摘要: Elastomeric particulate copolymers having a core/shell structure composed of a core (a) comprising an organosilicon polymer and an organopolymeric shell (c) or two shells (b) and (c), the inner shell (b) comprising an organosilicon polymer, and the copolymer being composed of (a) from 0.05 to 95 percent by weight, based on the total weight of the copolymer, of a core polymer (R.sub.2 SiO.sub.2/2).sub.x.(RSiO.sub.3/2).sub.y.(SiO.sub.4/2).sub.z where x=0 to 99.5 mol%, y=0.5 to 100 mol% and z=0 to 50 mol%, (b) from 0 to 94.5 percent by weight, based on the total weight of the copolymer, of a polydialkylsiloxane shell comprising (R.sub.2 SiO.sub.2/2) units, and (c) from 5 to 95 percent by weight, based on the total weight of the copolymer, of a shell comprising an organopolymer of monoolefinically unsaturated monomers, and the particles have a particle size of from 10 to 300 nm and a monomodal particle size distribution having a maximum polydispersity index .sigma..sub.2 =0.2.The invention furthermore relates to a process for preparing the graft copolymers.The graft copolymers of this invention are particularly suitable for use as modified thermoplastics or for use as additives for modifying polymers.

    摘要翻译: 具有由包含有机硅聚合物和有机聚合物壳(c)或两个壳(b)和(c)的核心(a)组成的核/壳结构的弹性体颗粒共聚物,包含有机硅聚合物的内壳(b)和 共聚物由以下组成的(a)0.05〜95重量%的共聚物的总重量为核聚合物(R2SiO2 / 2)x。(RSiO3 / 2)y。(SiO4 / 2)z,其中 x = 0〜99.5摩尔%,y = 0.5〜100摩尔%,z = 0〜50摩尔%,(b)0〜94.5重量%,基于共聚物的总重量,聚二烷基硅氧烷壳包含( R2SiO2 / 2)单元,和(c)基于共聚物总重量的5至95重量%的包含单烯属不饱和单体的有机聚合物的壳,并且所述颗粒的粒度为10至300 nm和具有最大多分散指数σ2 = 0.2的单峰粒度分布。 本发明还涉及制备接枝共聚物的方法。 本发明的接枝共聚物特别适合用作改性热塑性塑料或用作改性聚合物的添加剂。