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    • 4. 发明申请
    • Polystyrene foam containing a modifier-free nanoclay and having improved fire protection performance
    • 含有不含改性剂的纳米粘土并具有改进的防火性能的聚苯乙烯泡沫
    • US20070179205A1
    • 2007-08-02
    • US11221522
    • 2005-09-08
    • Roland LohMark PolaskyYadollah DelavizL. LeeXia CaoJiong ShenBharat Patel
    • Roland LohMark PolaskyYadollah DelavizL. LeeXia CaoJiong ShenBharat Patel
    • C08J9/16
    • C08J9/0066C08J9/008C08J9/20C08J9/232C08J2201/03C08J2203/14C08J2325/06
    • Polymer extruded or expanded foams that contain modifier-free nanoclays are provided. The addition of modifier-free nano-clays to extruded or expanded foam products improves the thermal properties, mechanical properties, and fire performance properties. Water or a water-containing compound is used as a carrier for the modifier-free nanoclays. The final foamed products may be utilized in building application such as foamed insulation products and in underground applications such as highway insulation. A preferred modifier-free nanoclay is Na+MMT. Modifier-free nanoclay particles may be injected into a polymer during an extrusion foaming process. In another embodiment of the invention, polymer beads containing water/nanoclay particles are formed using inverse emulsion/suspension polymerizations and expanded or extruded into a foamed product. In a further embodiment, a modifier-free nanoclay particle is encapsulated in a super-absorbent material, which may be used in an expanding or extruding process.
    • 提供了含有不含改性剂的纳米粘土的聚合物挤压或膨胀泡沫。 向挤出或膨胀的泡沫产品中加入无改性剂的纳米粘土改善了热性能,机械性能和防火性能。 使用水或含水化合物作为不含改性剂的纳米粘土的载体。 最终的发泡产品可用于建筑应用,例如泡沫绝热产品和地下应用如公路绝缘。 优选的不含修饰剂的纳米粘土是Na + MMT。 在挤出发泡过程中,可以将无修饰剂的纳米粘土颗粒注入聚合物中。 在本发明的另一个实施方案中,使用反相乳液/悬浮聚合形成含有水/纳米粘土颗粒的聚合物珠,并膨胀或挤出成发泡产品。 在另一个实施方案中,将不含改性剂的纳米粘土颗粒包封在超吸收材料中,其可用于膨胀或挤出过程。
    • 8. 发明申请
    • Deformable, rigid polystyrene foam boards
    • 可变形,刚性聚苯乙烯泡沫板
    • US20070149628A1
    • 2007-06-28
    • US11708889
    • 2007-02-21
    • Yaollah DelavizRaymond BreindelRoland Loh
    • Yaollah DelavizRaymond BreindelRoland Loh
    • C08J9/00
    • C08L25/06C08J9/0061C08J2201/03C08J2325/06C08J2423/00C08J2427/00C08J2429/00
    • Provided are methods for producing a high strength, but easily deformed, polystyrene foam board that can endure repeatedly deformations from its original configuration into more complex curved shapes without damaging the board integrity or substantially reducing its structural strength. Also provided are rigid polystyrene foam boards produced by this method that exhibit improved bending and impact resistance while substantially retaining or improving other properties, for example, the thermal dimensional stability and fire resistance, exhibited by corresponding conventional XPS foam boards. The foamable compositions may incorporate one or more of a variety of polymer processing aids for the purpose of altering the performance of the final foam products, thereby allowing the properties of the final foam product to be customized to some degree.
    • 提供了用于生产高强度但容易变形的聚苯乙烯泡沫板的方法,其可以承受从其初始构造重复变形到更复杂的弯曲形状,而不损害板完整性或显着降低其结构强度。 还提供了通过该方法制造的刚性聚苯乙烯泡沫板,其显着改善了弯曲和抗冲击性,同时基本上保持或改善了相应的常规XPS泡沫板所显示的其它性能,例如热尺寸稳定性和耐火性。 可发泡组合物可以掺入多种聚合物加工助剂中的一种或多种,​​以改变最终泡沫产品的性能,从而允许最终泡沫产品的性质在一定程度上定制。