Odorless modified silicone compound,cosmetic preparation containing the same, and method of purifying modified silicone compound having branch polymer comprising hydrophilic group
    92.
    发明申请
    Odorless modified silicone compound,cosmetic preparation containing the same, and method of purifying modified silicone compound having branch polymer comprising hydrophilic group 有权
    无水改性硅氧烷化合物,含有该化合物的化妆品,以及具有包含亲水基团的支链聚合物的改性硅氧烷化合物的纯化方法

    公开(公告)号:US20030158363A1

    公开(公告)日:2003-08-21

    申请号:US10221274

    申请日:2002-09-10

    发明人: Tetsuo Nakanishi

    IPC分类号: C08G077/04

    摘要: A modified silicone compound having a branch polymer comprising a hydrophilic group, this compound being synthesised by performing an addition reaction between an organohydrogenpolysiloxane, and at least one compound chosen from an alkenylated polyoxyalkenylated compound, an alkenylated glycerine compound and an alkenylated sugar in the presence of a platinum catalyst or rhodium catalyst, and a cosmetic material containing this modified silicone compound. This compound is purified by decomposing aldehyde condensation products remaining in the silicone by alkylating the remaining unsaturated bonds after hydrogenating the reaction liquor after said addition reaction, and treating with an aqueous solution of pH 7 or lower containing an acidic substance, or decomposing the propenyl etherated polyether in the reaction liquor after said addition reaction by treating with an aqueous solution of pH 7 or lower containing an acidic substance, and then alkylating the generated aldehydes and alkenylated ether compounds by hydrogenation. The degree of unsaturation (meq/g) in the modified silicone compound is 0.002 or less. The generation amount of aldehydes when heat ageing is performed in 0.23N hydrochloric acid at 50null C. for 0.5 hours is 70 ppm or less of the modified silicone compound.

    摘要翻译: 一种具有包含亲水基团的分支聚合物的改性硅氧烷化合物,该化合物是通过在有机氢聚硅氧烷和至少一种选自烯基化的聚氧化烯化的化合物,链烯基化的甘油化合物和链烯基糖的化合物之间进行加成反应而合成的, 铂催化剂或铑催化剂,以及含有该改性硅酮化合物的化妆品。 该化合物通过在加成反应后氢化反应液后将残留的不饱和键进行烷基化,用含有酸性物质的pH7以下的水溶液进行处理,分解存在于硅氧烷中的醛缩合产物, 在通过用含有酸性物质的pH7或更低的水溶液处理之后,在所述加成反应后的反应液中的聚醚,然后通过氢化将所生成的醛和烯基醚化合物烷基化。 改性硅氧烷化合物中的不饱和度(meq / g)为0.002以下。 在0.23N盐酸中,在50℃下进行0.5小时热老化时的醛的产生量为70ppm以下。

    Optically clear reinforced silicone elastomers of high optical refractive index and improved mechanical properties for use in intraocular lenses
    93.
    发明授权
    Optically clear reinforced silicone elastomers of high optical refractive index and improved mechanical properties for use in intraocular lenses 失效
    具有高光折射率的光学透明增强硅氧烷弹性体和用于人工晶状体的改进的机械性能

    公开(公告)号:US06277147B1

    公开(公告)日:2001-08-21

    申请号:US09174267

    申请日:1998-10-16

    IPC分类号: A61F216

    摘要: Optically clear, reinforced cross-linked silicone elastomers of the invention contain 12 to 18 mol percent of aryl substituted siloxane units of the formula R4R5-SiO, end blockers containing siloxane units of the formula R1R2R3SiO.5, and dialkyl siloxane units of the formula R6R7-SiO. R1 and R2 are alkyl, aryl or substituted alkyl or substituted aryl groups, and R3 is an alkenyl group. R4 and R5 are phenyl or mono lower alkyl substituted phenyl groups. R6 and R7 are methyl or ethyl groups. The polymer has a degree of polymerization between 100 to 2000, and preferably approximately 250. The polymer also contains trimethyl silyl treated silica as a reinforcer in the weight ratio of approximately 15 to 45 parts of reinforcer to 100 parts of the polymer. After cross-linking, the polymer has properties of an optical refractive index which is at least 1.44, a type A durometer hardness of at least 35, tensile strength of at least 500 psi and tear strength of at least 20 pli. The foregoing properties render the cross-linked polymer especially suitable for forming the bodies of intraocular lenses.

    摘要翻译: 本发明的光学透明,增强的交联硅氧烷弹性体含有12至18mol%的式R 4 R 5 -SiO的芳基取代的硅氧烷单元,含有式R 1 R 2 R 3 SiO 5的硅氧烷单元的封端剂和式R 6 R 7的二烷基硅氧烷单元 -SiO。 R1和R2是烷基,芳基或取代的烷基或取代的芳基,R3是烯基。 R4和R5是苯基或单低级烷基取代的苯基。 R6和R7是甲基或乙基。 该聚合物的聚合度在100至2000之间,优选为约250.聚合物还含有三甲基甲硅烷基处理的二氧化硅作为增强剂,其重量比为约15至45份增强剂与100份聚合物。 交联后,聚合物的光学折射率至少为1.44,A型硬度至少为35,拉伸强度至少为500psi,撕裂强度至少为20pli。 上述性质使得交联聚合物特别适合于形成眼内透镜的体。

    Method of forming a granular siloxane gel having reduced chloride content
    94.
    发明授权
    Method of forming a granular siloxane gel having reduced chloride content 失效
    形成具有降低的氯化物含量的颗粒状硅氧烷凝胶的方法

    公开(公告)号:US6075109A

    公开(公告)日:2000-06-13

    申请号:US213455

    申请日:1998-12-17

    CPC分类号: C08G77/34

    摘要: A method of forming a granular siloxane gel having reduced chloride content. The method comprises contacting a chlorosilicon mixture with an aqueous medium at a temperature within a range of about 50.degree. C. to 180.degree. C. to form a granular siloxane gel, and washing the granular siloxane gel with an aqueous solution comprising a surfactant having a HLB number within a range of about 1 to 28.

    摘要翻译: 一种形成具有减少的氯化物含量的颗粒状硅氧烷凝胶的方法。 该方法包括在约50℃至180℃的温度范围内使氯硅混合物与水性介质接触以形成颗粒状硅氧烷凝胶,并用含有表面活性剂的水溶液洗涤颗粒状硅氧烷凝胶,所述表面活性剂具有 HLB数在约1到28的范围内。

    Method for the separation of hexamethylcyclotrisiloxane
    95.
    发明授权
    Method for the separation of hexamethylcyclotrisiloxane 失效
    六甲基环三硅氧烷分离方法

    公开(公告)号:US5834585A

    公开(公告)日:1998-11-10

    申请号:US892491

    申请日:1997-07-14

    申请人: Toshi Nomura

    发明人: Toshi Nomura

    CPC分类号: C08G77/34 C07F7/21

    摘要: A method for separating hexamethylcyclotrisiloxane that does not require the use of a distillation set up adapted for use with solids and that collects the hexamethylcyclotrisiloxane in the form of an easy-to-handle solution. The method comprising inducing the ascent in the gaseous state of a hexamethylcyclotrisiloxane-containing mixture of polydimethylcyclosiloxanes in a distillation column provided with a sidestream element in the middle region of the column so as to induce the ascent of gaseous hexamethylcyclotrisiloxane to at least the level of the sidestream element, supplying into said distillation column solvent having a boiling point below that of hexamethylcyclotrisiloxane and capable of dissolving hexamethylcyclotrisiloxane, so as to form a liquid mixture of hexamethylcyclotrisiloxane and said solvent in the vicinity of the sidestream element, and withdrawing the said liquid mixture from the sidestream element.

    摘要翻译: 用于分离六甲基环三硅氧烷的方法,其不需要使用适合与固体一起使用的蒸馏装置,并且以易于处理的溶液的形式收集六甲基环三硅氧烷。 该方法包括在柱的中间区域中在具有侧流元件的蒸馏塔中引起气态的含六甲基环三硅氧烷的聚二甲基环硅氧烷的混合物的上升,以引起气态六甲基环三硅氧烷的上升至少达到 向所述蒸馏塔供应沸点低于六甲基环三硅氧烷并能够溶解六甲基环三硅氧烷的溶剂,以便在侧流元件附近形成六甲基环三硅氧烷和所述溶剂的液体混合物,并将所述液体混合物从 侧流元素。

    Method and device for purifying liquid polysiloxane material and its use
    96.
    发明授权
    Method and device for purifying liquid polysiloxane material and its use 失效
    液体聚硅氧烷材料的净化方法及装置及其应用

    公开(公告)号:US5684125A

    公开(公告)日:1997-11-04

    申请号:US428073

    申请日:1995-05-26

    摘要: The invention relates to a method for purifying liquid polysiloxane containing impurities as a low-molecular-weight fraction, by evaporating the low-molecular-weight fraction, in which method a liquid stream of impure liquid material in the form of a bundle of a multiplicity of streams or jets is brought into contact with a flowing gas phase, after which the gas stream, which contains the impurities, is removed and purified liquid material is collected; a device for performing this method and also the use of purified liquid material.

    摘要翻译: PCT No.PCT / NL93 / 00217 Sec。 371日期:1995年5月26日 102(e)日期1995年5月26日PCT提交1993年10月26日PCT公布。 出版物WO94 / 10228 日期1994年5月11日本发明涉及通过蒸发低分子量馏分来纯化含有杂质作为低分子量馏分的液体聚硅氧烷的方法,其中以不饱和液体物质形式的液态物流 使多个流或射流的束与流动气相接触,之后除去含有杂质的气流,并收集纯化的液体物质; 用于执行该方法的装置以及纯化液体材料的使用。

    Optically clear reinforced silicone elastomers of high optical
refractive index and improved mechanical properties for use in
intraocular lenses
    97.
    发明授权
    Optically clear reinforced silicone elastomers of high optical refractive index and improved mechanical properties for use in intraocular lenses 失效
    具有高光折射率的光学透明增强硅氧烷弹性体和用于人工晶状体的改进的机械性能

    公开(公告)号:US5661195A

    公开(公告)日:1997-08-26

    申请号:US572768

    申请日:1995-12-15

    摘要: Optically clear, reinforced cross-linked silicone elastomers of the invention contain 12 to 18 mol percent of aryl substituted siloxane units of the formula R.sub.4 R.sub.5 --SiO, end blockers containing silioxane units of the formula R.sub.1 R.sub.2 R.sub.3 SiO.sub.5, and dialkyl siloxane units of the formula R.sub.6 R.sub.7 --SiO. R.sub.1 and .sub.2 are alkyl, aryl or substituted alkyl or substituted aryl groups, and R.sub.3 is an alkenyl group. R.sub.4 and R.sub.5 are phenyl or mono lower alkyl substituted phenyl groups. R.sub.6 and R.sub.7 are methyl or ethyl groups. The polymer has a degree of polymerization between 100 to 2000, and preferably approximately 250. The polymer also contains trimethyl silyl treated silica as a reinforcer in the weight ratio of approximately 15 to 45 parts of reinforcer to 100 parts of the polymer. After cross-linking, the polymer has properties of an optical refractive index which is at least 1.44, a type A durometer hardness of at least 35, tensile strength of at least 500 psi and tear strength of at least 20 pli. The foregoing properties render the cross-linked polymer especially suitable for forming the bodies of intraocular lenses.

    摘要翻译: 本发明的光学透明,增强的交联硅氧烷弹性体含有12至18mol%的式R 4 R 5 -SiO的芳基取代的硅氧烷单元,含有式R 1 R 2 R 3 SiO 5的硅烷单元的封端剂和式R 6 R 7 -SiO 2的二烷基硅氧烷单元 。 R1和2是烷基,芳基或取代的烷基或取代的芳基,R3是烯基。 R4和R5是苯基或单低级烷基取代的苯基。 R6和R7是甲基或乙基。 该聚合物的聚合度在100至2000之间,优选为约250.聚合物还含有三甲基甲硅烷基处理的二氧化硅作为增强剂,其重量比为约15至45份增强剂与100份聚合物。 交联后,聚合物的光学折射率至少为1.44,A型硬度至少为35,拉伸强度至少为500psi,撕裂强度至少为20pli。 上述性质使得交联聚合物特别适合于形成眼内透镜的体。

    Methods of making polysiloxanes
    98.
    发明授权
    Methods of making polysiloxanes 失效
    聚硅氧烷的制备方法

    公开(公告)号:US5516870A

    公开(公告)日:1996-05-14

    申请号:US433181

    申请日:1995-05-03

    摘要: Linear or straight-chain trimethylsiloxy endcapped methylhydrogen polysiloxanes are made by contacting hexamethyldisiloxane with a highly pure methylhydrogen cyclic siloxane, in the presence of anhydrous trifluoromethane sulfonic acid catalyst at room temperature. Trimethylsiloxy endcapped alkylmethyl siloxanes are made by reacting the linear or straight-chain trimethylsiloxy endcapped methylhydrogen polysiloxanes with an alpha-olefin, in the presence of a platinum catalyst. Alkylmethyl cyclic siloxanes containing zero parts per million residual .ident.SiH, are made by reacting anhydrous alpha-olefins and a highly pure methylhydrogen cyclic siloxane, in the presence of dried platinum supported on carbon catalyst.

    摘要翻译: 线性或直链三甲基甲硅烷氧基封端的甲基氢聚硅氧烷是通过在无水三氟甲烷磺酸催化剂存在下在室温下使六甲基二硅氧烷与高纯度甲基氢环状硅氧烷接触来制备的。 三甲基甲硅烷氧基封端的烷基甲基硅氧烷通过在铂催化剂存在下使直链或直链的三甲基甲硅烷氧基封端的甲基氢聚硅氧烷与α-烯烃反应来制备。 在负载在碳催化剂上的干燥铂存在下,通过使无水α-烯烃和高纯度的甲基氢环状硅氧烷反应制备含有百万分之零残余= SiH的烷基甲基环状硅氧烷。

    Method for making heat curable zero valent platinum-vinylsilane silicone
compositions
    99.
    发明授权
    Method for making heat curable zero valent platinum-vinylsilane silicone compositions 失效
    制备热固化零价铂 - 乙烯基硅烷有机硅组合物的方法

    公开(公告)号:US5446113A

    公开(公告)日:1995-08-29

    申请号:US238892

    申请日:1994-04-28

    申请人: Larry N. Lewis

    发明人: Larry N. Lewis

    IPC分类号: C08G77/34 C08L83/04 C08G77/06

    摘要: A method is provided for making platinum catalyzed heat curable organopolysiloxane compositions which have an enhanced rate of cure by using a silicon hydride siloxane in combination with a devolatilized mixture of a vinyl silicone fluid and a reaction product of a zero valent platinum complex and a vinylsilane.

    摘要翻译: 提供了一种制备铂催化的可热固化的有机聚硅氧烷组合物的方法,其通过使用硅氢化硅烷与乙烯基硅氧烷流体和零价铂络合物和乙烯基硅烷的反应产物的脱挥发分混合物而具有增强的固化速率。

    Optically clear reinforced silicone elastomers of high optical
refractive index and improved mechanical properties for use in
intraocular lenses
    100.
    发明授权
    Optically clear reinforced silicone elastomers of high optical refractive index and improved mechanical properties for use in intraocular lenses 失效
    具有高光折射率的光学透明增强硅氧烷弹性体和用于人工晶状体的改进的机械性能

    公开(公告)号:US5376694A

    公开(公告)日:1994-12-27

    申请号:US86763

    申请日:1993-06-30

    摘要: Optically clear, reinforced cross-linked silicone elastomers of the invention contain 12 to 18 mol percent of aryl substituted siloxane units of the formula R.sub.4 R.sub.5 --SiO end blockers containing silioxane units of the formula R.sub.1 R.sub.2 R.sub.3 --SiO.5, and dialkyl siloxane units of the formula R.sub.6 R.sub.7 --SiO. R.sub.1 and .sub.2 are alkyl, aryl or substituted alkyl or substituted aryl groups, and R.sub.3 is an alkenyl group. R.sub.4 and R.sub.5 are phenyl or mono lower alkyl substituted phenyl groups. R.sub.6 and R.sub.7 are methyl or ethyl groups. The polymer has a degree of polymerization between 100 to 2000, and preferably approximately 250. The polymer also contains trimethyl silyl treated silica as a reinforcer in the weight ratio of approximately 15 to 45 parts of reinforcer to 100 parts of the polymer. After cross-linking, the polymer has properties of an optical refractive index which is at least 1.44, a type A durometer hardness of at least 35, tensile strength of at least 500 psi and tear strength of at least 20 pli. The foregoing properties render the cross-linked polymer especially suitable for forming the bodies of intraocular lenses.

    摘要翻译: 本发明的光学透明增强的交联硅氧烷弹性体含有12至18摩尔%的含有式R 1 R 2 R 3 -SiO 5的硅氧烷单元的式R 4 R 5 -Si-封端剂的芳基取代的硅氧烷单元和式 R6R7-SiO。 R1和2是烷基,芳基或取代的烷基或取代的芳基,R3是烯基。 R4和R5是苯基或单低级烷基取代的苯基。 R6和R7是甲基或乙基。 该聚合物的聚合度在100至2000之间,优选为约250.聚合物还含有三甲基甲硅烷基处理的二氧化硅作为增强剂,其重量比为约15至45份增强剂与100份聚合物。 交联后,聚合物的光学折射率至少为1.44,A型硬度至少为35,拉伸强度至少为500psi,撕裂强度至少为20pli。 上述性质使得交联聚合物特别适合于形成眼内透镜的体。