公开(公告)号：US09694538B2

公开(公告)日：2017-07-04

申请号：US14915675

申请日：2014-09-03

申请人： 3M INNOVATIVE PROPERTIES COMPANY

发明人： Joseph D. Rule ,  Mario A. Perez ,  Kevin M. Lewandowski ,  Robert A. Follensbee

IPC分类号： B29C65/00 ,  B29C65/48 ,  B32B27/32 ,  B32B7/12 ,  B32B37/12 ,  B29C37/00 ,  B32B3/30 ,  B32B9/04 ,  B32B15/085 ,  B32B21/08 ,  B32B25/08 ,  B32B27/06 ,  B32B27/08 ,  B32B27/10 ,  B32B27/12 ,  B29K23/00 ,  B29L9/00

CPC分类号： B29C66/30321 ,  B29C37/0014 ,  B29C37/0078 ,  B29C65/483 ,  B29C66/02 ,  B29K2023/06 ,  B29K2023/12 ,  B29L2009/00 ,  B32B3/30 ,  B32B7/12 ,  B32B9/045 ,  B32B15/085 ,  B32B21/08 ,  B32B25/08 ,  B32B27/065 ,  B32B27/08 ,  B32B27/10 ,  B32B27/12 ,  B32B27/32 ,  B32B37/12 ,  B32B2305/07

摘要： Articles are provided, having a multilayer structure including (a) a first layer formed from polyolefin and including undercut features formed on and extending from an integral backing; (b) a second layer including an adhesive having a Shore D hardness of greater than 59 when cured; and (c) a third layer including a substrate. The second layer is interlocked with the undercut features, the third layer is adhered to the adhesive, and the second layer is disposed between the first layer and the third layer. A method is also provided including (a) depositing a polyolefin resin into a mold cavity to form a first layer including undercut features; (b) demolding the first layer from the mold cavity at a rate of at least 150 millimeters per minute; (c) applying a curable adhesive to the undercut features to form a second layer attached to the first layer; and (d) attaching a third layer including a substrate to the second layer.

公开(公告)号：US20160221256A1

公开(公告)日：2016-08-04

申请号：US14915675

申请日：2014-09-03

申请人： 3M INNOVATIVE PROPERTIES COMPANY

发明人： Joseph D. Rule ,  Mario A. Perez ,  Kevin M. Lewandowski ,  Robert A. Follensbee

IPC分类号： B29C65/00 ,  B29C65/48 ,  B32B27/32 ,  B32B7/12 ,  B32B37/12 ,  B29C37/00 ,  B32B3/30

CPC分类号： B29C66/30321 ,  B29C37/0014 ,  B29C37/0078 ,  B29C65/483 ,  B29C66/02 ,  B29K2023/06 ,  B29K2023/12 ,  B29L2009/00 ,  B32B3/30 ,  B32B7/12 ,  B32B9/045 ,  B32B15/085 ,  B32B21/08 ,  B32B25/08 ,  B32B27/065 ,  B32B27/08 ,  B32B27/10 ,  B32B27/12 ,  B32B27/32 ,  B32B37/12 ,  B32B2305/07

摘要： Articles are provided, having a multilayer structure including (a) a first layer formed from polyolefin and including undercut features formed on and extending from an integral backing; (b) a second layer including an adhesive having a Shore D hardness of greater than 59 when cured; and (c) a third layer including a substrate. The second layer is interlocked with the undercut features, the third layer is adhered to the adhesive, and the second layer is disposed between the first layer and the third layer. A method is also provided including (a) depositing a polyolefin resin into a mold cavity to form a first layer including undercut features; (b) demolding the first layer from the mold cavity at a rate of at least 150 millimeters per minute; (c) applying a curable adhesive to the undercut features to form a second layer attached to the first layer; and (d) attaching a third layer including a substrate to the second layer.

摘要翻译： 提供具有多层结构的制品，其包括（a）由聚烯烃形成的第一层，并且包括形成在整体背衬上并从整体背衬延伸的底切特征; （b）固化时包含肖氏D硬度大于59的粘合剂的第二层; 和（c）包括基底的第三层。 第二层与底切特征互锁，第三层粘附到粘合剂上，第二层设置在第一层和第三层之间。 还提供了一种方法，包括（a）将聚烯烃树脂沉积到模腔中以形成包括底切特征的第一层; （b）以至少每分钟150毫米的速率将第一层从模腔脱模; （c）将可固化粘合剂施加到底切特征以形成附着到第一层的第二层; 和（d）将包括衬底的第三层附着到第二层。