Method for the preparation of (meth)acryloxyalkyl group-containing
linear organopolysiloxane
    1.
    发明授权
    Method for the preparation of (meth)acryloxyalkyl group-containing linear organopolysiloxane 失效
    制备(甲基)丙烯酰氧基烷基的线性有机聚硅氧烷的方法

    公开(公告)号:US5504234A

    公开(公告)日:1996-04-02

    申请号:US451143

    申请日:1995-05-26

    CPC分类号: C08G77/20 C08G77/08

    摘要: A novel method is disclosed for the preparation of a (meth)acryloxyalkyl group-containing organopolysiloxane having a linear structure by the ring-opening siloxane rearrangement polymerization reaction of a (meth)acryloxyalkyl group-containing cyclic organopolysiloxane oligomer either alone or in combination with a cyclic organopolysiloxane oligomer having no (meth)acryloxyalkyl groups. Different from conventional acidic catalyst, the reaction can be promoted by the use of a cation-exchange resin in the H.sup.+ form which can be readily removed from the polymerization mixture after completion of the polymerization reaction leaving no acidic matter which influences on the stability of the product. The catalytic efficiency of the cation-exchange resin can be further enhanced when the resin is, prior to contacting with the cyclic organopolysiloxane oligomer(s), impregnated or swollen with a polar organic solvent such as tetrahydrofuran.

    摘要翻译: 公开了通过单独或与(甲基)丙烯酰氧基烷基的环状有机聚硅氧烷低聚物的开环硅氧烷重排聚合反应制备具有线性结构的(甲基)丙烯酰氧基烷基的有机聚硅氧烷的新方法, 没有(甲基)丙烯酰氧基烷基的环状有机聚硅氧烷低聚物。 与常规酸性催化剂不同,可以通过使用H +形式的阳离子交换树脂来促进反应,其可以在聚合反应完成后容易地从聚合混合物中除去,而不产生影响稳定性的酸性物质 产品。 在与极性有机溶剂如四氢呋喃浸渍或溶胀的环状有机聚硅氧烷低聚物接触之前,可以进一步提高阳离子交换树脂的催化效率。

    Radiation-curable organopolysiloxane-containing composition
    2.
    发明授权
    Radiation-curable organopolysiloxane-containing composition 失效
    含可辐射固化的含有机聚硅氧烷的组合物

    公开(公告)号:US5118723A

    公开(公告)日:1992-06-02

    申请号:US651854

    申请日:1991-02-07

    CPC分类号: C08F290/068

    摘要: A radiation curable organopolysiloxane-containing composition is disclosed which is curable by the irradiation with actinic rays in a relatively low dose to give a cured layer having excellent surface-releasability so that the composition is useful, for example, as a coating agent of release paper for temporary protection of adhesive surface. The composition comprises (a) 0.1 to 20 parts by weight of a linear organopolysiloxane having at least one vinylphenyl or isopropenylphenyl group bonded to only one of the terminal silicon atoms in the molecular chain and (b) 99.9 to 80 parts by weight of a (meth)acrylate compound which is a (meth)acrylic acid ester of a polyhydric alcohol or a polyester of a polyhydric alcohol and a dibasic carboxylic acid esterified with (meth)acrylic acid at the residual hydroxy groups.

    摘要翻译: 公开了一种可辐射固化的含有机聚硅氧烷的组合物,其通过以较低剂量的光化射线照射而可固化,得到具有优异表面剥离性的固化层,使得该组合物可用于例如剥离纸的涂布剂 用于临时保护粘合剂表面。 组合物包含(a)0.1-20重量份具有至少一个乙烯基苯基或异丙烯基苯基的直链有机聚硅氧烷,其仅与分子链中的一个末端硅原子键合,(b)99.9至80重量份的( 甲基)丙烯酸酯化合物,其是多元醇的(甲基)丙烯酸酯或多元醇的聚酯和在残留羟基上与(甲基)丙烯酸酯化的二元羧酸。

    Curable silicone release composition and release sheet
    3.
    发明授权
    Curable silicone release composition and release sheet 失效
    可固化的硅氧烷防粘组合物和脱模片

    公开(公告)号:US5942591A

    公开(公告)日:1999-08-24

    申请号:US879053

    申请日:1997-06-19

    CPC分类号: C09D183/04

    摘要: A solventless curable silicone release composition contains (A) a branched organopolysiloxane having a vinyl group attached to a silicon atom at an end of its molecular chain, (B) an organohydrogenpolysiloxane having at least three SiH groups in a molecule, and (C) a platinum group metal catalyst. The composition is easily applicable to a thin gage and cures into a releasable silicone coating ensuring light release at high speeds. A release sheet having the cured coating formed thereon has improved release characteristics.

    摘要翻译: 无溶剂固化性有机硅剥离组合物含有(A)在其分子链末端具有与硅原子相连的乙烯基的支链有机聚硅氧烷,(B)分子中具有至少三个SiH基的有机氢聚硅氧烷,(C) 铂族金属催化剂。 该组合物易于应用于薄规格并固化成可释放的硅氧烷涂层,确保高速下的光释放。 具有形成在其上的固化涂层的剥离片具有改善的剥离特性。

    Radiation-curable organopolysiloxane
    4.
    发明授权
    Radiation-curable organopolysiloxane 失效
    可辐射固化的有机聚硅氧烷

    公开(公告)号:US5436281A

    公开(公告)日:1995-07-25

    申请号:US242394

    申请日:1994-05-13

    摘要: Proposed is an improved radiation-curable organopolysiloxane composition capable of giving a cured surface film on a substrate surface which exhibits excellent releasability against sticky substances. The composition is obtained by combining two kinds of (meth)acryloxyalkyl-containing organopolysiloxanes in a specified weight proportion, of which one has a relatively large degree of polymerization but contains only a relatively small amount of the silicon-bonded (meth)acryloxyalkyl groups while the other has a relatively small degree of polymerization but contains a relatively large amount of the silicon-bonded (meth)acryloxyalkyl groups. By virtue of this unique formulation, the surface-release sheet provided with a cured surface film of this organopolysiloxane composition and attached to a sticky surface for temporary protection is safe from generation of a peeling noise which is unavoidable in the prior art when a surface-release sheet is peeled off from the sticky surface at a high peeling velocity, especially, when the peeling resistance is great.

    摘要翻译: 提出了能够在基材表面上赋予固化的表面膜的改进的可辐射固化的有机基聚硅氧烷组合物,其对粘性物质具有优异的脱模性。 通过组合两种(甲基)丙烯酰氧基烷基的有机聚硅氧烷以特定重量比例组合,其中聚合度相对较高但仅含有相对少量的与硅键合的(甲基)丙烯酰氧基烷基,而 另一方面具有相对较小的聚合度,但含有相对大量的与硅键合的(甲基)丙烯酰氧基烷基。 由于这种独特的配方,具有这种有机基聚硅氧烷组合物的固化的表面膜并附着在粘性表面上用于临时保护的表面剥离片材就不会产生现有技术中不可避免的剥离噪音, 剥离片以高剥离速度从粘性表面剥离,特别是耐剥离性大时,

    Method for surface-release coating and coating agent therefor
    5.
    发明授权
    Method for surface-release coating and coating agent therefor 失效
    表面剥离涂层及其涂布剂的方法

    公开(公告)号:US5391405A

    公开(公告)日:1995-02-21

    申请号:US964685

    申请日:1992-10-22

    CPC分类号: C08G77/20 C09D183/06

    摘要: Disclosed is a method for imparting anti-sticking surface-releasability to the surface of a substrate which comprises: coating the surface with a novel radiation-curable (meth)acryloxy-containing organopolysiloxane; and curing the coating layer by the irradiation with radiation such as electron beams and ultraviolet light. Different from conventional radiation-curable (meth)acryloxy-containing organopolysiloxanes, the novel organopolysiloxane here used is characteristic in comprising at least one trifunctional organosiloxane unit in a molecule, by virtue of which the (meth)acryloxy-containing organopolysiloxane has good curability by the irradiation to exhibit excellent surface-releasability with high durability against aging.

    摘要翻译: 公开了一种赋予基材表面的抗粘着表面剥离性的方法,该方法包括:用新的可辐射固化(甲基)丙烯酰氧基的有机基聚硅氧烷涂覆表面; 并且通过用诸如电子束和紫外光的辐射照射来固化涂层。 与常规的可辐射固化的(甲基)丙烯酰氧基的有机聚硅氧烷不同,这里使用的新型有机聚硅氧烷具有在分子中包含至少一个三官能有机硅氧烷单元的特征,由此,(甲基)丙烯酰氧基的有机聚硅氧烷具有良好的固化性 照射以表现出优异的表面剥离性,并且耐老化性高。

    Radiation-curable organopolysiloxane composition
    7.
    发明授权
    Radiation-curable organopolysiloxane composition 失效
    可辐射固化的有机聚硅氧烷组合物

    公开(公告)号:US5696180A

    公开(公告)日:1997-12-09

    申请号:US682011

    申请日:1996-07-16

    CPC分类号: C09D183/06 C09D183/08

    摘要: Proposed is a radiation-curable organopolysiloxane composition which is useful as a coating agent for the formation of a releasable coating film on a substrate to serve as a releasable sheet without the problem due to generation of peeling noises. The composition essentially comprises, as a blend, (a) a first organopolysiloxane having a specified viscosity and containing (meth)acryloxyalkyl groups bonded to the silicon atoms in a specified content and (b) a second organopolysiloxane having a specified viscosity and containing (meth)acrylaminoalkyl groups bonded to the silicon atoms in a specified content, the weight proportion of the second organopolysiloxane to the first organopolysiloxane being in a specified range.

    摘要翻译: 提出可辐射固化的有机基聚硅氧烷组合物,其可用作在基材上形成可剥离涂膜的涂布剂,以用作可剥离片材,而不会由于产生剥离噪声而出现问题。 组合物基本上包含(a)具有特定粘度的第一有机聚硅氧烷,并且含有(a)特定含量的与硅原子键合的(甲基)丙烯酰氧基烷基,和(b)具有特定粘度的第二有机聚硅氧烷,并含有(甲基) )与特定含量的硅原子键合的丙烯基氨基烷基,第二有机聚硅氧烷与第一有机聚硅氧烷的重量比例在特定范围内。

    Liquid silicone rubber coating composition, curtain airbag, and its production method
    8.
    发明授权
    Liquid silicone rubber coating composition, curtain airbag, and its production method 有权
    液体硅橡胶涂料组合物,帘式气囊及其制备方法

    公开(公告)号:US08608846B2

    公开(公告)日:2013-12-17

    申请号:US12879488

    申请日:2010-09-10

    IPC分类号: C04B41/49

    摘要: A liquid silicone rubber coating composition exhibiting high adhesion for an airbag base fabric; a curtain airbag having a silicone rubber coating layer of the cured composition formed on at least one surface of the base fabric; and a method for producing such curtain airbag are provided. The composition comprises (A) an organopolysiloxane having at least 2 alkenyl groups bonded to the silicon atoms per molecule; (B) an organohydrogenpolysiloxane having at least 2 structural units represented by formula (1) per molecule, the structural units being linked by a non-siloxane structural unit not containing SiH group; (C) an addition catalyst; (E) an organosilicon compound having an epoxy group and an alkoxy group bonded to the silicon atom in the molecule; and (F) a titanium compound and/or a zirconium compound; and preferably (D) a fine powder silica having a specific surface area of at least 50 m2/g.

    摘要翻译: 对气囊底布显示出高粘合性的液体硅橡胶涂料组合物; 帘式气囊,其具有形成在所述基底织物的至少一个表面上的所述固化组合物的硅橡胶涂层; 并提供了这种帘式气囊的制造方法。 该组合物包含(A)每分子具有至少2个与硅原子键合的烯基的有机聚硅氧烷; (B)每分子具有至少2个由式(1)表示的结构单元的有机氢聚硅氧烷,该结构单元由不含SiH基的非硅氧烷结构单元连接; (C)加成催化剂; (E)分子中具有与硅原子键合的环氧基和烷氧基的有机硅化合物; 和(F)钛化合物和/或锆化合物; 优选(D)比表面积为50m 2 / g以上的细粉二氧化硅。

    Solvent-free silicone composition for release paper
    9.
    发明申请
    Solvent-free silicone composition for release paper 失效
    用于脱模纸的无溶剂硅氧烷组合物

    公开(公告)号:US20070129507A1

    公开(公告)日:2007-06-07

    申请号:US11602369

    申请日:2006-11-21

    申请人: Shinji Irifune

    发明人: Shinji Irifune

    IPC分类号: C08L83/04 B32B27/00

    摘要: A solvent-free silicone composition for release paper, comprising: (A) an organopolysiloxane represented by the following average compositional formula (1) (B) an organopolysiloxane represented by the following average compositional formula (2) (C) an organopolysiloxane having alkenyl groups only at its ends, represented by the following formula (3) and (D) an organohydrogenpolysiloxane represented by the following formula (4) , wherein the component (A) is contained in an amount of from 10 to 30 wt %, the component (B) is contained in an amount of from 10 to 30 wt %, the component (C) is contained in an amount of from 40 to 80 wt %, based on a total weight of the components (A), (B) and (C), and the component (D) is contained in such an amount that a molar ratio of the hydrogen atom or atoms bonded to a silicon atom to a total of the alkenyl groups of the components (A), (B) and (C) ranges from 1.0 to 4.0. The composition forms a tight release layer whose release force largely increases with release speed.

    摘要翻译: 一种用于剥离纸的无溶剂硅氧烷组合物,其包含:(A)由以下平均组成式(1)表示的有机聚硅氧烷(B)由以下平均组成式(2)表示的有机聚硅氧烷:(C)具有烯基的有机聚硅氧烷 仅在其末端由下式(3)和(D)表示的下述式(4)表示的有机氢聚硅氧烷,其中成分(A)的含量为10〜30重量%,成分( B)含量为10〜30重量%,基于(A)成分,(B)成分和(B)成分的总重量,成分(C)的含量为40〜80重量% (A),(B)和(C(C))中的链烯基的总量相对于硅原子键合的原子的摩尔比, )范围从1.0到4.0。 该组合物形成了释放力大大地随释放速度而增加的紧密释放层。

    Solvent-free silicone composition for release paper
    10.
    发明申请
    Solvent-free silicone composition for release paper 有权
    用于脱模纸的无溶剂硅氧烷组合物

    公开(公告)号:US20070087207A1

    公开(公告)日:2007-04-19

    申请号:US11580015

    申请日:2006-10-13

    申请人: Shinji Irifune

    发明人: Shinji Irifune

    摘要: A solvent-free silicone composition for release paper, comprising a mixture prepared by i) subjecting the organopolysiloxane (I) which is composed of R13SiO1/2 units, SiO4/2 units and (HO)SiO3/2 units, and has an OH group content of from 0.02 to 0.1 mol/100 g, to a partial condensation reaction in an organic solvent in the presence of an alkaline catalyst and the organopolysiloxane (II) represented by the following formula (2), and ii) removing the organic solvent, said mixture having an OH group content of less than 0.02 mol/100 g. The composition forms a tight-release layer stable with time.

    摘要翻译: 一种用于脱模纸的无溶剂硅氧烷组合物,其包含通过以下步骤制备的混合物:i)使由R 1,3/3 SiO 1/2组成的有机聚硅氧烷(I) 2单元,SiO 2/2/2单元和(HO)SiO 3/2/2单元,OH基含量为0.02-0.1mol / 100 g,在有机溶剂中,在碱性催化剂和由下式(2)表示的有机聚硅氧烷(II)的存在下进行部分缩合反应,和ii)除去有机溶剂,所述混合物的OH基含量少 大于0.02mol / 100g。 该组合物形成了随时间稳定的紧密释放层。