专利快速检索-快速检索全球专利，免费商用专利数据库-IPRDB

1. 发明授权

US4952293A Polymer electrodeposition process 失效
标题翻译：聚合物电沉积工艺
公开(公告)号：US4952293A
公开(公告)日：1990-08-28
申请号：US459240
申请日：1989-12-29
申请人： Donald Sypula , Joseph Mammino
发明人： Donald Sypula , Joseph Mammino
IPC分类号： C08J7/04 , B29C67/02 , B29L29/00 , C08J5/18 , C25D1/18 , C25D13/00
CPC分类号： C25D1/18
摘要： A process for preparing free standing polymeric belts which includes the steps of providing at least one sleeve electrode coaxially spaced apart from and surrounding at least one other electrode in a bath comprising a dispersion of electrically charged, thermoplastic film forming polymer particles in an organic liquid dispersion medium, the polymer particles having a weight average molecular weight of at least about 35,000 and being substantially insoluble in the organic liquid medium at electrodeposition temperatures and sufficiently soluble in the organic liquid medium at elevated temperatures to coalesce and form a viscous sol coating, applying an electric field across the electrodes until a thick, substantially uniform deposit of polymer particles forms on the interior surface of the sleeve electrode, removing the sleeve electrode bearing the deposit of polymer particles and residual liquid dispersion medium clinging to the deposit of polymer particles from the bath, heating the deposit to initially solubilize the polymer particles in the residual organic liquid dispersion medium to form a coalesced, continuous viscous sol coating of the solubilized polymer particles, continuing the heating to evaporate the residual organic liquid dispersion medium and form a continuous, solidified, cylindrical, dry polymer film, and removing the dry polymer film from the interior surface of the sleeve electrode. This dry polymer film may subsequently be coated with various layers.
摘要翻译：一种用于制备自立式聚合物带的方法，其包括以下步骤：提供至少一个套筒电极，所述至少一个套筒电极在浴中同轴间隔开并围绕至少一个其它电极，包括在带有电荷的热塑性成膜聚合物颗粒在有机液体分散体介质，聚合物颗粒的重均分子量为至少约35,000，并且在电沉积温度下基本上不溶于有机液体介质，并且在升高的温度下充分溶解于有机液体介质中以聚结并形成粘性溶胶涂层，电极之间的电场，直到在套筒电极的内表面上形成厚的，基本上均匀的聚合物颗粒沉积物，去除带有聚合物颗粒的沉积物的粘合电极和粘附于浴中的聚合物颗粒沉积物的残余液体分散介质，加热首先将聚合物颗粒溶解在残留的有机液体分散介质中以形成溶解的聚合物颗粒的聚结的连续粘稠溶胶涂层，继续加热以蒸发残留的有机液体分散介质并形成连续的，固化的，圆柱形的，干燥的聚合物膜，并从套筒电极的内表面去除干燥的聚合物膜。该干燥的聚合物膜随后可以涂覆各种层。

IPRDB

热门服务

关于我们

友情链接

联系方式