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    • 1. 发明授权
    • Apparatus and method of coating a web
    • 涂布网的装置和方法
    • US06638576B2
    • 2003-10-28
    • US10128086
    • 2002-04-23
    • Andrew ClarkeChristopher L. BowerKim E. Goppert
    • Andrew ClarkeChristopher L. BowerKim E. Goppert
    • B05D126
    • B05C5/007B05C9/06B05D1/007B05D1/28G03C1/74G03C2001/7411G03C2001/7496
    • An apparatus and method of bead coating a web using a coating die. The method comprises forming one or more layers of coating material using the coating die and allowing the one or more layers to impinge on the web as the web and die move relative to each other. The web surface has an average peak to peak roughness as defined by DIN 4768, ISO4287 or BS1134 between 2 &mgr;m and 20 &mgr;m. The layer of coating material forming a wetting layer adjacent to the web has a viscosity of between 35 mPas and 200 mPas measured at a shear rate of substantially 10,000 s−1. An electrostatic field is provided at the point at which the layers impinge on the web to stabilize the layers of coating material. The method enables the web being coated to be conveyed at a speed greater than 400 cm/s relative to the coating die whilst avoiding the problem of air entrainment.
    • 一种使用涂层模头涂布网的设备和方法。 该方法包括使用涂层模具形成一层或多层涂层材料,并允许一个或多个层在幅材和模具相对于彼此移动时撞击在幅材上。 纸幅表面具有平均峰 - 峰粗糙度,由DIN 4768,ISO4287或BS1134定义,在2um和20um之间。 形成与纤维网相邻的润湿层的涂料层的粘度在基本上为10,000s -1的剪切速率下测得的35mPas和200mPas之间的粘度。 在层压在纤维网上的点处提供静电场,以稳定涂层材料层。 该方法使得能够以相对于涂层模具大于4​​00cm / s的速度输送被涂布的纸幅,同时避免了空气夹带的问题。
    • 2. 发明授权
    • Method of creating and coating a material
    • 创建和涂覆材料的方法
    • US06780455B2
    • 2004-08-24
    • US10178724
    • 2002-06-24
    • Andrew ClarkeChristopher L. BowerKim E. Goppert
    • Andrew ClarkeChristopher L. BowerKim E. Goppert
    • B05D130
    • G03C1/74B05C5/005B05D1/305G03C2001/7433G03C2001/7481
    • The invention provides a method of creating a material for use as a material to be coated by curtain coating, comprising the step of: creating a surface texture of said material such that when said material is coated with a freely falling curtain formed of a composite layer of one or more coating compositions that impinges at a point of impingement against a continuously moving receiving surface of said material using roughness assisted wetting, the height of the composite layer at a distance &lgr; from the point of impingement, in which &lgr; is the average periodicity of the surface texture, is less than or equal to Rz. The invention also provides a method of identifying a material suitable for coating with Roughness Assisted coating.
    • 本发明提供了一种制造用作通过帘式涂布涂覆的材料的材料的方法,包括以下步骤:产生所述材料的表面纹理,使得当所述材料涂覆有由复合层形成的自由落下的窗帘 一种或多种涂料组合物,其使用粗糙度辅助的润湿将冲击点抵靠所述材料的连续移动的接收表面,所述复合材料层距离冲击点的距离为λ,其中λ是平均周期 的表面纹理,小于或等于Rz。 本发明还提供了一种鉴定适用于粗糙度辅助涂层涂层的材料的方法。
    • 5. 发明授权
    • Method for avoiding re-circulation defects in curtain coating
    • 避免幕涂中再循环缺陷的方法
    • US06472021B2
    • 2002-10-29
    • US09773640
    • 2001-01-31
    • Christopher L. Bower
    • Christopher L. Bower
    • B05D130
    • G03C1/74B05D1/305G03C2001/7433Y10S118/04
    • A method of curtain coating, the curtain being formed from at least one layer of coating solution having a composite density &rgr; (kgm−3) and a total volumetric flow rate per unit curtain width Q (m2s−1), the curtain being allowed to free fall a distance h (m), at a velocity U (ms−1), onto a continuously moving substrate having a velocity S (ms−1) with an application angle of &thgr; between the horizontal and tangent to the substrate at the point of impingement, the dynamic surface tension at the rear of the falling curtain being &sgr; (mNm−1), the aforementioned variable parameters being controlled so as to prevent recirculation.
    • 一种帘式涂布方法,帘幕由具有复合密度rho(kgm-3)的至少一层涂布溶液和每单位帘幕宽度Q(m2s-1)的总体积流量形成,帘幕被允许 以速度U(ms-1)自由落下到具有速度S(ms-1)的连续移动的基底上的距离h(m),在该点处的基底的水平和切线之间具有θ的施加角 撞击的后方的动态表面张力为sigma(mNm-1),上述可变参数被控制以防止再循环。