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    • 2. 发明授权
    • Method for the continuous manufacturing of silicone rubber composition
    • 连续制造硅橡胶组合物的方法
    • US6013701A
    • 2000-01-11
    • US174978
    • 1998-10-19
    • Kaoru KunimatsuTomoo KinoshitaMitsuo Hamada
    • Kaoru KunimatsuTomoo KinoshitaMitsuo Hamada
    • C08J3/20C08K3/36C08L83/04C08L83/07
    • C08L83/04B29B7/402B29B7/421B29B7/428B29B7/90B29C47/0009B29C47/1045B29C47/366B29C47/385B29C47/6062B29K2083/005C08G77/06C08G77/20
    • A method for continuous preparation of a high consistency or liquid silicone rubber base does not cause abrasive wear of the extruder screw and of the extruder cylinder or blackening of the silicone rubber base even when the latter is admixed with such fillers as an inorganic filler in the form of a diatomaceous earth powder, quartz or a similar large-grained and hard substance, or with a fumed silica, sedimentary silica, or a similar reinforcing silica filler. The method comprises continuously kneading the following components in a multiple-stage shear type single-screw extruder: (A) a freely-flowable powdered silicone rubber mixture having its main components in the form of (a) a cross-linkable polydiorganosiloxane with a viscosity exceeding 1.times.10.sup.5 mPa.multidot.s at 25.degree. C. and (b) an inorganic filler, and (B) a high consistency silicone rubber base having its main components in the form of (a) a cross-linkable polydiorganosiloxane with a viscosity exceeding 1.times.10.sup.5 mPa.multidot.s at 25.degree. C. and (c) a reinforcing silica filler, or a liquid silicone rubber base having its main components in the form of (d) a cross-linkable polydiorganosiloxane with a viscosity below 1.times.10.sup.5 mPa.multidot.s at 25.degree. C. and (c) a reinforcing silica filler.
    • 连续制备高稠度或液体硅橡胶基体的方法不会引起挤出机螺杆和挤出机圆筒的磨损或硅橡胶基底的黑化,即使将后者与诸如无机填料的填料混合在一起 硅藻土粉末,石英或类似的大颗粒和硬物质的形式,或与煅制二氧化硅,沉积二氧化硅或类似的增强二氧化硅填料形成。 该方法包括在多级剪切式单螺杆挤出机中连续捏合以下组分:(A)可自由流动的粉状硅橡胶混合物,其主要成分为(a)可交联的聚二有机硅氧烷,其粘度 在25℃下超过1×10 5 mPax,(b)无机填料,(B)高稠度硅橡胶基质,其主要成分为(a)可交联的聚二有机硅氧烷,其粘度在25℃时粘度超过1×10 5 mPax (c)增强二氧化硅填料或其主要组分为(d)可交联的聚二有机硅氧烷的液体硅橡胶基质,其粘度在25℃时粘度低于1×10 5 mPax,(c)a 增强二氧化硅填料。
    • 4. 发明授权
    • Method for the continuous production of room-temperature-curable
organopolysiloxane compositions
    • 连续生产室温可固化的有机聚硅氧烷组合物的方法
    • US5861460A
    • 1999-01-19
    • US625568
    • 1996-03-28
    • Mitsuo HamadaTomoo KinoshitaHideyuki MoriJunya Yokoi
    • Mitsuo HamadaTomoo KinoshitaHideyuki MoriJunya Yokoi
    • B01F7/26B29B7/40B29B7/84C08G77/06C08K3/00C08K5/54C08K13/02C08L83/04C08L87/00
    • C08K13/02B29B7/402B29B7/847B29C47/364B29C47/6087C08L83/04C08G77/06C08G77/16
    • A highly productive, continuous method for the production of room-temperature-curable organopolysiloxane compositions is obtained by continuously feeding 100 parts by weight of a diorganopolysiloxane with a viscosity at 25.degree. C. of 0.1 to 500 Pa.s that contains at least 2 silicon-bonded hydroxyl groups or hydrolyzable groups in each molecule; 1 to 30 parts by weight of an organosilane that contains at least 2 silicon-bonded hydrolyzable groups in each molecule, or the partial hydrolysis condensate thereof; 1 to 200 parts by weight of an inorganic filler in powder form, and 0 to 10 parts by weight of a cure-accelerating catalyst into a continuous mixing apparatus having starting material feed openings installed at its top, a discharge opening installed at its bottom, and a rotating disk installed within a casing and are therein mixed by the rotation of the said rotating disk, and in that the resulting mixture is thereafter continuously introduced into a vacuum mechanism- equipped degassing apparatus in which the water fraction present in the said mixture is removed under reduced pressure.
    • 通过连续供给100重量份的在25℃下的粘度为0.1至500Pa.s的二有机聚硅氧烷,其含有至少2个硅,得到用于制备室温可固化的有机基聚硅氧烷组合物的高产率连续方法 每个分子中的双键羟基或可水解基团; 1〜30重量份在每个分子中含有至少2个硅键合的可水解基团的有机硅烷或其部分水解缩合物; 1〜200重量份的粉末状无机填料,0〜10重量份的固化促进催化剂,其具有安装在其顶部的起始原料供给开口的连续混合装置,安装在其底部的排出口, 以及旋转盘,其安装在壳体内并通过所述旋转盘的旋转而混合,然后将所得混合物连续引入装有真空机构的脱气装置,其中存在于所述混合物中的水分为 减压除去。
    • 8. 发明授权
    • Method and apparatus for cutting high viscosity liquid material
    • 切割高粘度液体材料的方法和设备
    • US06353033B1
    • 2002-03-05
    • US09628468
    • 2000-07-31
    • Koichi OzakiToru ImaizumiKoichi IshidaToyohiko YamaderaMitsuo Hamada
    • Koichi OzakiToru ImaizumiKoichi IshidaToyohiko YamaderaMitsuo Hamada
    • B01F1700
    • B26F3/00F16K1/02F17D1/14Y10S516/924
    • Method and apparatus for cutting high viscosity liquid material, said apparatus comprising a cylinder divided into upper and lower tanks by a partition with a central discharge opening, a moveable and elevatable liquid supply pipe with a distal end positioned opposite the discharge opening, the liquid supply pipe being mounted so that it can be raised until its distal end contacts the partition around the discharge opening, and then lowered until there is no contact, means for raising and lowering the liquid supply pipe, the upper tank having peripheral injection ports for injecting a low viscosity liquid into the upper tank, means for feeding high viscosity liquid material into the lower tank and flowing it into the upper tank, means for feeding low viscosity liquid into the liquid supply pipe and for feeding low viscosity liquid into the peripheral injection ports, the high viscosity liquid material flowing from the lower tank into the upper tank when the liquid supply pipe is lowered, the high viscosity liquid material being pushed upwardly into the upper tank by the low viscosity liquid when the liquid supply pipe is raised, whereby the high viscosity liquid material being pushed upwardly in the upper tank is cut into blocks by the low viscosity liquid being injected into the upper tank.
    • 用于切割高粘度液体材料的方法和装置,所述装置包括通过具有中心排出口的分隔件分成上部和下部罐的圆筒,具有与排出口相对的远端的可移动和可升高的液体供应管,液体供应 管被安装成可以升高直到其远端接触排放口周围的隔板,然后降低直到不接触,用于升高和降低液体供给管的装置,上部罐具有用于注入的周边注入口 低粘度液体进入上部罐,用于将高粘度液体材料进入下部罐并将其流入上部罐的装置,用于将低粘度液体供给到液体供给管中并将低粘度液体供给到外部喷射口中的装置, 当液体供应管较低时,高粘度液体材料从下槽流入上罐 d,当液体供应管升高时,高粘度液体材料被低粘度液体向上推入上罐,由此通过低粘度液体将在上槽中向上推的高粘度液体材料切成块 注入上水箱。