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    • 2. 发明授权
    • Fabric for backlit signs and awnings
    • 织物为背光标志和遮阳篷
    • US5707904A
    • 1998-01-13
    • US594984
    • 1996-01-31
    • Keith N. GrayEarl T. CrouchCheryl D. Malloy
    • Keith N. GrayEarl T. CrouchCheryl D. Malloy
    • D06N3/06D06N7/00B32B7/00
    • D06N3/06D06N7/0092D06N2201/02D06N2205/026D06N2209/0869D06N2209/0892D06N2209/1678Y10T442/172Y10T442/178
    • An awning fabric for use with a backlit sign of the type having a light source disposed on one side of the awning fabric. The awning fabric includes a scrim and a translucent coating on at least one side of the scrim. The scrim is treated with an optical brightener. When the awning fabric is viewed by an observer from the side opposite the light source, the visibility of the scrim to the observer is minimized. The translucent coating may be plastisol. The optical brightener is preferably a fluorescent whitening agent comprising a stilbene derivative. Also disclosed is a method for producing an awning fabric. The method includes applying an optical brightener to a scrim and applying a translucent coating onto at least one side of the scrim. The method may further include applying an opaque coating onto the translucent coating. Thereafter, a solvent is selectively applied to the opaque coating thereby forming a selected pattern on the awning fabric.
    • 一种用于具有设置在遮阳篷织物的一侧上的具有光源的类型的背光标志的遮阳篷布。 遮阳篷布在稀松布的至少一侧上包括稀松布和半透明涂层。 用荧光增白剂处理稀松布。 当观察者从与光源相对的一侧观察遮阳蓬布时,将观察者的稀松布的可视性降至最低。 半透明涂层可以是增塑溶胶。 荧光增白剂优选为包含二苯乙烯衍生物的荧光增白剂。 还公开了一种遮阳篷布的制造方法。 该方法包括将光学增白剂施加到稀松布上并将半透明涂层施加到稀松布的至少一侧上。 该方法还可以包括将不透明涂层施加到半透明涂层上。 此后,将溶剂选择性地施加到不透明涂层,从而在遮阳篷上形成选定的图案。