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    • 8. 发明申请
    • HYBRID SEALANT COMPOSITION
    • 混合密封剂组合物
    • WO2012174500A2
    • 2012-12-20
    • PCT/US2012042842
    • 2012-06-16
    • ILLINOIS TOOL WORKSKULKARNI MONACHITNAVIS NAGESHDESHPANDE SUBODHSAWHAWNEH NADER
    • KULKARNI MONACHITNAVIS NAGESHDESHPANDE SUBODHSAWHAWNEH NADER
    • C09K3/12C08L75/06
    • C09K3/1021B60J1/006C08F265/04C08F265/06C08G18/6225C08G18/7671C09J175/14E06B3/56E06B2003/226C08F222/1006C08F230/08
    • An acrylic-polyurethane hybrid sealant composition is provided with desirable physical and mechanical properties such as superior adhesion, tensile strength, rheology and bond strength. In particular, the sealant composition of the invention is formulated with isocyanate modified acrylic polymer The composition includes an acrylic pre-polymer, an isocyante functional monomer, a triacrylate as a cross-linker, and a catalyst. A process for preparing the composition is also provided. The hybrid sealant composition is well suited for sealing and bonding requirements in fabrication of articles such as window glazing, back bedding, construction, aerospace and appliances industries. A hybrid sealant composition is provided that develops adequate adhesion and bond strength equivalent to commercially available sealants when used in sealing and bonding applications and is readily formulated to be self- leveling. Articles so fabricated using the hybrid sealant composition are also provided.
    • 提供丙烯酸 - 聚氨酯混合密封剂组合物具有所需的物理和机械性能,例如优异的粘合力,拉伸强度,流变性和粘结强度。 特别地,本发明的密封剂组合物用异氰酸酯改性的丙烯酸类聚合物配制。该组合物包括丙烯酸类预聚物,异氰酸酯官能单体,作为交联剂的三丙烯酸酯和催化剂。 还提供了制备该组合物的方法。 混合密封剂组合物非常适合于制造诸如窗玻璃,背部床上用品,建筑,航天和家电行业的制品的密封和粘合要求。 提供了一种混合密封剂组合物,当用于密封和粘合应用时,形成了与市售密封剂相当的粘合力和粘合强度,并且易于配制成自流平。 还提供了使用混合密封剂组合物制造的制品。