Alkenyl-functional silylated polymethysilses quioxane and method of
preparing the same
    1.
    发明授权
    Alkenyl-functional silylated polymethysilses quioxane and method of preparing the same 失效
    烯基官能甲硅烷基化聚甲基硅氧烷二恶烷及其制备方法

    公开(公告)号:US5981670A

    公开(公告)日:1999-11-09

    申请号:US028257

    申请日:1998-02-23

    CPC分类号: C08G77/20

    摘要: An alkenyl-functional silylated polymethylsilsesquioxane that contains no more than 0.12 residual silanol per Si atom and is obtained by silylating the silanol in starting polymethylsilsesquioxane. The starting polymethylsilsesquioxane has a predetermined number average molecular weight, Mn, from 380 to 2,000 and is represented by the general formula(CH.sub.3 SiO.sub.3/2).sub.n (CH.sub.3 Si(OH)O.sub.2/2).sub.mwherein m and n are positive numbers that provide the predetermined Mn, with the proviso that the value of m/(m+n) is less than or equal to 0.152/(Mn.times.10.sup.-3)+0.10 and greater than or equal to 0.034/(Mn.times.10.sup.-3). The alkenyl-functional silylated polymethylsilsesquioxane has the formula(CH.sub.3 SiO.sub.3/2).sub.n (CH.sub.3 Si(OH)O.sub.2/2).sub.m-k (CH.sub.3 Si(OSiR.sup.1 R.sup.2 R.sup.3)O.sub.2/2).sub.kwherein k is a positive number smaller than A, (m-k/(m+n) is less than or equal to 0.12, and R.sup.1, R.sup.2 and R.sup.3 are each selected from substituted and unsubstituted monovalent hydrocarbon groups with the proviso that at least 1 of said R.sup.1, R.sup.2, and R.sup.3 is a group that contains a crosslinkable carbon--carbon double bond.

    摘要翻译: 烯烃官能的甲硅烷基化聚甲基倍半硅氧烷,其每Si原子含有不超过0.12的残留硅烷醇,并且通过在起始的聚甲基倍半硅氧烷中硅烷化得到。 起始的聚甲基倍半硅氧烷具有预定的数均分子量Mn,为380-2,000,并由通式(CH 3 SiO 3/2)n(CH 3 Si(OH)O 2/2)m表示,其中m和n是提供 预定的Mn,条件是m /(m + n)的值小于或等于0.152 /(Mn×10 -3)+0.10且大于或等于0.034 /(Mn×10 -3)。 烯基官能的甲硅烷基化聚甲基倍半硅氧烷具有式(CH 3 SiO 3/2)n(CH 3 Si(OH)O 2/2)mk(CH 3 Si(OSiR 1 R 2 R 3)O 2/2)k其中k是小于A的正数,(mk /(m + n)小于或等于0.12,并且R 1,R 2和R 3各自选自取代和未取代的一价烃基,条件是所述R 1,R 2和R 3中的至少1个是含有可交联碳 碳双键。

    Polymer-compatible polymethylsilsesquioxane
    2.
    发明授权
    Polymer-compatible polymethylsilsesquioxane 失效
    聚合物相容的聚甲基硅倍半氧烷

    公开(公告)号:US5907019A

    公开(公告)日:1999-05-25

    申请号:US977701

    申请日:1997-11-25

    摘要: A silylated polymethylsilsesquioxane, that contains no more than 0.12 residual silanol per Si atom and has a predetermined number average molecular weight from 380 to 2,000 is obtained by silylating the silanol in a starting polymethylsilsesquioxane with the formula(CH.sub.3 SiO.sub.3/2).sub.n (CH.sub.3 Si(OH)O.sub.2/2).sub.mwherein m and n are positive numbers that provide the specified molecular weight and 0.034/(M.times.10.sup.-3).ltoreq.m/(m+n).ltoreq.0.152/(M.times.10.sup.-3)+0.10. The silylated polymethylsilsequioxanes of the present invention exhibit compatibility with silicone polymers, e.g., polydimethylsiloxanes. As a consequence, the silylated polymethylsilsesquioxanes of the invention can be used in a wide range of applications as, for example, a reinforcing filler for rubbers.

    摘要翻译: 通过使甲硅烷基化的起始聚甲基硅倍半氧烷中的硅烷醇与式(CH3SiO3 / 2)n(CH3Si(OH))进行甲硅烷基化,得到甲硅烷基化的聚甲基倍半硅氧烷,其每Si原子含有不超过0.12的残留硅烷醇,并且具有380至2,000的预定数均分子量。 )O 2/2)m,其中m和n是提供指定分子量的正数和0.034 /(M×10 -3)m /(m + n)≤0.22/(M×10 -3)+0.10的正数。 本发明的甲硅烷基化聚甲基硅二恶烷表现出与硅氧烷聚合物例如聚二甲基硅氧烷的相容性。 因此,本发明的甲硅烷基化聚甲基倍半硅氧烷可用于广泛的应用中,例如用于橡胶的增强填料。

    Silicone release coating compositions
    3.
    发明授权
    Silicone release coating compositions 失效
    硅酮脱模涂料组合物

    公开(公告)号:US6008310A

    公开(公告)日:1999-12-28

    申请号:US28332

    申请日:1998-02-24

    摘要: This invention relates to a silicone release coating comprising (A) an organopolysiloxane having at least two crosslinkable carbon-carbon double bonds in each molecule, (B) an organopolysiloxane having at least two Si-bonded hydrogen atoms in each molecule, (C) a silylated polymethylsilsesquioxane and (D) platinum catalyst. The silicone release coating compositions of this invention can further comprise an inhibitor. The silicone release coating compositions of this invention do not decline in release resistance due to release paper aging or release liner aging.

    摘要翻译: 本发明涉及有机硅剥离涂层,其包含(A)在每个分子中具有至少两个可交联碳 - 碳双键的有机聚硅氧烷,(B)每个分子中具有至少两个与Si键合的氢原子的有机聚硅氧烷,(C) 甲硅烷基化聚甲基倍半硅氧烷和(D)铂催化剂。 本发明的有机硅剥离涂料组合物还可包含抑制剂。 本发明的有机硅剥离涂料组合物由于剥离纸老化或脱模剂老化而不会降低耐剥离性。

    Hydrogen-functional silylated polymethylsilsesquioxane
    4.
    发明授权
    Hydrogen-functional silylated polymethylsilsesquioxane 失效
    氢功能甲硅烷基化聚甲基倍半硅氧烷

    公开(公告)号:US5939500A

    公开(公告)日:1999-08-17

    申请号:US27548

    申请日:1998-02-23

    摘要: A hydrogen-functional silylated polymethylsilsesquioxane that contains no more than 0.12 residual silanol per Si atom and is obtained by silylating the silanol in starting polymethylsilsesquioxane. The starting polymethylsilsesquioxane has a predetermined number average molecular weight, Mn, from 380 to 2,000 and is represented by the general formula(CH.sub.3 SiO.sub.3/2).sub.n (CH.sub.3 Si(OH)O.sub.2/2).sub.mwherein m and n are positive numbers that provide the predetermined Mn, with the proviso that the value of m/(m+n) is less than or equal to 0.152/(Mn.times.10.sup.-3)+0.10 and greater than or equal to 0.034/(Mn.times.10.sup.-3). The hydrogen-functional silylated polymethylsilsesquioxane has the formula(CH.sub.3 SiO.sub.3/2).sub.n (CH.sub.3 Si(OH)O.sub.2/2).sub.m-k (CH.sub.3 Si(OSiR.sup.1 R.sup.2 R.sup.3)O.sub.2/2).sub.kwherein k is a positive number smaller than m, (m-k/(m+n) is less than or equal to 0.12, and R.sup.1, R.sup.2, and R.sup.3 are each selected from substituted and unsubstituted monovalent hydrocarbon groups with the proviso that at least 1 of said R.sup.1, R.sup.2, and R.sup.3 is hydrogen.

    摘要翻译: 每个Si原子含有不超过0.12个残余硅烷醇的氢官能的甲硅烷基化的聚甲基倍半硅氧烷,并通过在起始的聚甲基倍半硅氧烷中硅烷化得到。 起始聚甲基倍半硅氧烷具有预定的数均分子量Mn,为380-2,000,并由通式(CH 3 SiO 3/2)n(CH 3 Si(OH)O 2/2)m表示,其中+ E,uns m + EE和+ E,uns n + EE是提供预定Mn的正数,条件是+ E,uns m + EE /(+ E,uns m + EE ++ E,uns n + EE)的值小于 或等于0.152 /(Mn×10-3)+0.10且大于或等于0.034 /(Mn×10-3)。 氢官能的甲硅烷基化聚甲基倍半硅氧烷具有式(CH 3 SiO 3/2)n(CH 3 Si(OH)O 2/2)mk(CH 3 Si(OSiR 1 R 2)3 O 2)2其中+ E, E,uns m + EE,(+ E,uns m + EE - + E,uns k + EE /(+ E,uns m + EE ++ E,uns n + EE)小于或等于0.12, R 1,R 2和R 3各自选自取代和未取代的单价烃基,条件是所述R 1,R 2和R 3中的至少1个为氢。

    Methods Of Modifying Metal-Oxide Nanoparticles
    6.
    发明申请
    Methods Of Modifying Metal-Oxide Nanoparticles 审中-公开
    改性金属氧化物纳米颗粒的方法

    公开(公告)号:US20130253161A1

    公开(公告)日:2013-09-26

    申请号:US13991851

    申请日:2011-12-06

    IPC分类号: C09C1/36 C09C1/00

    摘要: Methods employing acidic and basic catalysts are disclosed, and generally entail hydrolysis and condensation reactions of silicon based components. The methods are useful for forming siloxane-modified metal-oxide nanoparticles, such as modified ZrO2 nanoparticles. The siloxane-modified metal-oxide nanoparticles, and products including the siloxane-modified metal-oxide nanoparticles, can be used to form various products, such as lenses or encapsulants for making various devices, such as, but not limited to, light emitting diodes (LEDs).

    摘要翻译: 公开了使用酸性和碱性催化剂的方法,通常需要硅基组分的水解和缩合反应。 该方法可用于形成硅氧烷改性的金属氧化物纳米颗粒,例如改性的ZrO 2纳米颗粒。 硅氧烷改性的金属氧化物纳米颗粒和包含硅氧烷改性的金属氧化物纳米颗粒的产品可用于形成各种产品,例如用于制造各种装置的透镜或密封剂,例如但不限于发光二极管 (LED)。

    Siloxane-Compositions Including Metal-Oxide Nanoparticles Suitable For Forming Encapsulants
    7.
    发明申请
    Siloxane-Compositions Including Metal-Oxide Nanoparticles Suitable For Forming Encapsulants 审中-公开
    包含适合形成密封剂的金属氧化物纳米颗粒的硅氧烷组合物

    公开(公告)号:US20130256742A1

    公开(公告)日:2013-10-03

    申请号:US13991840

    申请日:2011-12-06

    IPC分类号: H01L33/56

    摘要: A composition includes an organopolysiloxane component (A) having at least one aryl group and having an average of at least two alkenyl groups per molecule. The composition further includes an organohydrogensiloxane component (B) having at least one of an alkyl group and an aryl group and an average of at least two silicon-bonded hydrogen atoms per molecule. Components (A) and (B) each independently have a number average molecular weight less than or equal to 1500 (g/mole). The composition yet further includes a catalytic amount of a hydrosilylation catalyst component (C), and metal-oxide nanoparticles (D) other than titanium dioxide (TiO2) nanoparticles. The composition has a molar ratio of alkyl groups to aryl groups ranging from 1:0.25 to 1:3.0. A product of the present invention is the reaction product of the composition, which may be used to make a light emitting diode.

    摘要翻译: 组合物包括每分子具有至少一个芳基并且平均具有至少两个烯基的有机聚硅氧烷组分(A)。 该组合物还包括具有烷基和芳基中的至少一个并且每个分子具有至少两个与硅键合的氢原子平均的有机氢硅氧烷组分(B)。 组分(A)和(B)各自独立地具有小于或等于1500(g / mol)的数均分子量。 该组合物还包括催化量的氢化硅烷化催化剂组分(C)和除二氧化钛(TiO 2)纳米颗粒以外的金属氧化物纳米颗粒(D)。 该组合物的烷基与芳基的摩尔比范围为1:0.25至1:3.0。 本发明的产品是可用于制造发光二极管的组合物的反应产物。

    Free films made of cured organopolysiloxane resins, process for production thereof, and laminated films
    9.
    发明授权
    Free films made of cured organopolysiloxane resins, process for production thereof, and laminated films 有权
    由固化的有机聚硅氧烷树脂制成的游离膜,其制造方法和层压膜

    公开(公告)号:US07960030B2

    公开(公告)日:2011-06-14

    申请号:US11569104

    申请日:2005-05-13

    摘要: A free-standing film comprising a cured organopolysiloxane resin obtained by conducting a cross-linking reaction between (A) an organopolysiloxane resin represented by the following average siloxane unit formula: [R1aR23-aSiO1/2]v[R3SiO3/2]w (1) or [R1aR23-aSiO1/2]x[R3SiO3/2]y[SiO4/2]z (2) (where R1 designates univalent hydrocarbon groups of one or more than one type selected from alkyl groups having 1 to 4 carbon atoms and univalent aromatic hydrocarbon groups having 6 to 8 carbon atoms; R2 designate alkenyl groups having 2 to 6 carbon atoms; R3 designates alkyl groups with 1 to 4 carbon atoms or univalent aromatic hydrocarbon groups having 6 to 8 carbon atoms; at least 50 mole % of R3 groups being phenyl groups; “a” is 0, 1, or 2; 0.8≦w

    摘要翻译: 通过在(A)由以下平均硅氧烷单元式:[R a R 23-a SiO 1/2/2] v [R 3 SiO 3/2] w(1)表示的有机聚硅氧烷树脂之间进行交联反应获得的固化的有机聚硅氧烷树脂, )或[R1aR23-aSiO1 / 2] x [R3SiO3 / 2] y [SiO4 / 2] z(2)(其中R1表示一个或多于一种选自具有1至4个碳原子的烷基的一价烃基, 具有6至8个碳原子的单价芳族烃基; R 2表示具有2至6个碳原子的烯基; R 3表示具有1至4个碳原子的烷基或具有6至8个碳原子的单价芳族烃基;至少50摩尔% R3为苯基;“a”为0,1或2;0.8≤n1E; w <1.0且v + w =​​ 1; 0