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    Method of preparing solventless silicone resins that exhibit superior reconstitution and the resins so-produced
    2.
    发明授权
    Method of preparing solventless silicone resins that exhibit superior reconstitution and the resins so-produced 失效
    制备表现出优异重构的无溶剂硅树脂的方法和如此制备的树脂

    公开(公告)号：US5723521A

    公开(公告)日：1998-03-03

    申请号：US497736

    申请日：1995-07-03

    申请人： Leon Neal Cook ,  Richard Allen Hessick, Jr. ,  Hongxi Zhang ,  Randall Gene Schmidt

    发明人： Leon Neal Cook ,  Richard Allen Hessick, Jr. ,  Hongxi Zhang ,  Randall Gene Schmidt

    IPC分类号： C08G77/04 ,  C08G77/06 ,  C08J3/12 ,  C08J3/16 ,  C08K5/54

    CPC分类号： C08J3/122 ,  C08J3/16 ,  C08J2383/04

    摘要： Solventless silicone resins, which exhibit a high degree of reconstitution, are produced in forms such as powders and flakes. The degree of reconstitution is judged by the fact that silicone resin/fluid alloys produced therefrom exhibit only a minor shift in T.sub.g, the glass transition temperature, in comparison to analogous alloys produced from solvent dispersed (virgin) resin. Resin, and preferably virgin resin, is dispersed in a volatile liquid dispersant and blended with a nonvolatile silicone fluid. Thereafter, the volatile liquid dispersant is removed by means such as spray-drying or evaporation, resulting in the solventless resin forms of the invention.

    摘要翻译： 表现出高度重构的无溶剂硅树脂以粉末和薄片的形式生产。 通过以下事实来判断重构程度：与由溶剂分散（原始）树脂制备的类似合金相比，由其生产的硅树脂/流体合金仅显示出Tg的微小偏移，玻璃化转变温度。 树脂，优选原始树脂分散在挥发性液体分散剂中并与非挥发性硅氧烷流体共混。 此后，通过喷雾干燥或蒸发等手段去除挥发性液体分散剂，得到本发明的无溶剂树脂形式。

    Continuous Process For Production Of Silicone Pressure Sensitive Adhesives
    5.
    发明申请
    Continuous Process For Production Of Silicone Pressure Sensitive Adhesives 审中-公开
    硅胶压敏粘合剂生产连续工艺

    公开(公告)号：US20080300358A1

    公开(公告)日：2008-12-04

    申请号：US12096037

    申请日：2006-11-17

    申请人： Leon Neal Cook ,  Loren Dean Durfee ,  Robert Alan Ekeland ,  Tricia A. Hubbard ,  Loren Dale Lower ,  Jeff Alan Walkowiak

    发明人： Leon Neal Cook ,  Loren Dean Durfee ,  Robert Alan Ekeland ,  Tricia A. Hubbard ,  Loren Dale Lower ,  Jeff Alan Walkowiak

    IPC分类号： C09J183/04

    CPC分类号： C09J183/04 ,  C08L83/00

    摘要： A composition for preparing a pressure sensitive adhesive contains (A) a hydroxyl-functional polydiorganosiloxane polymer, (B) a hydroxyl-functional polyorganosiloxane resin, and (C) a solvent. A continuous method for producing the silicone pressure sensitive adhesive is performed by mixing the composition while heating the composition at a temperature above the vaporization point of the solvent and removing essentially all volatile species in an apparatus with a residence time sufficient for bodying ingredients (A) and (B). A devolatilizing twin-screw extruder is useful in the method.

    摘要翻译： 用于制备压敏粘合剂的组合物包含（A）羟基官能聚二有机硅氧烷聚合物，（B）羟基官能聚有机硅氧烷树脂和（C）溶剂。 用于生产硅氧烷压敏粘合剂的连续方法是通过在高于溶剂蒸发点的温度下加热组合物并在基体上除去基本上所有挥发性物质的装置中进行的，其中所述挥发性物质具有足以保持成分（A）的停留时间， 和（B）。 脱挥发双螺杆挤出机在该方法中是有用的。