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    • 85. 发明申请
    • SEGMENTED COPOLYMER COMPOSITIONS AND COATINGS INCORPORATING THESE COMPOSITIONS
    • 含有这些组合物的SEGMENTED COPOLYMER组合物和涂料
    • US20160194574A1
    • 2016-07-07
    • US14829640
    • 2015-08-19
    • HRL Laboratories, LLC
    • Adam F. GROSSAndrew P. NOWAK
    • C10M107/38C10M125/26C08G81/00
    • C08G81/00C08G18/246C08G18/3206C08G18/3812C08G18/4804C08G18/4833C08G18/5015C08G18/6505C08G81/025C09D175/08
    • Some variations provide a segmented copolymer composition comprising: fluoropolymer first soft segments that are (α,ω)-hydroxyl-terminated and/or (α,ω)-amine-terminated; polyester or polyether second soft segments that are (α,ω)-hydroxyl-terminated and/or (α,ω)-amine-terminated; isocyanate species possessing an isocyanate functionality of 2 or greater; and polyol or polyamine chain extenders or crosslinkers, wherein the molar ratio of the second soft segments to the first soft segments is less than 2.0. Exemplary segmented copolymers are disclosed. The segmented copolymer composition may be present in a low-friction, low-adhesion coating. Such a coating may be characterized by a coefficient of friction, measured at 90% relative humidity, less than 0.7. Such a coating may be characterized by an average kinetic delay of surface ice formation of at least 10 minutes at −10° C. These coatings are useful as bugphobic and icephobic coatings.
    • 一些变化形式提供了一种分段的共聚物组合物,其包含:(α,ω) - 羟基封端和/或(α,ω) - 胺封端的含氟聚合物第一软链段; (α,ω) - 羟基封端和/或(α,ω) - 胺封端的聚酯或聚醚第二软链段; 具有2或更大的异氰酸酯官能度的异氰酸酯物质; 和多元醇或多胺增链剂或交联剂,其中第二软链段与第一软链段的摩尔比小于2.0。 公开了示例性的分段共聚物。 分段共聚物组合物可以存在于低摩擦,低粘附性涂层中。 这种涂层的特征可以在90%相对湿度下测量的摩擦系数小于0.7。 这种涂层的特征可能在于-10°C时表面冰形成的平均动力学延迟至少为10分钟。这些涂层可用作臭虫和防臭涂层。