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公开(公告)号：US20080286593A1
公开(公告)日：2008-11-20
申请号：US12181647
申请日：2008-07-29
IPC分类号： B32B27/32
CPC分类号： B32B27/32 , B32B5/18 , Y10T428/24998 , Y10T428/31938
摘要： Provided is a multi-layer article including (1) a sheet of microporous material having opposing surfaces, and (2) an adhesive composition applied over at least a portion of at least one of the surfaces of the sheet. The microporous material contains (A) a polymeric matrix component of 5 to 100 weight percent of low melt flow index polypropylene; 0 to 90 weight percent of ultrahigh molecular weight polyethylene; and 0 to 90 weight percent of high density polyethylene; (B) a finely divided, particulate filler component dispersed throughout the polymeric matrix (A) including siliceous and non-siliceous materials; and (C) a network of interconnecting pores communicating substantially throughout the microporous material, the pores constituting 10 to 80 percent by volume of the microporous material, wherein the weight ratio of filler component (B) to polymeric matrix component (A) ranges from 0.1 to 10.0.
摘要翻译： 提供了一种多层制品，其包括（1）具有相对表面的微孔材料片，和（2）涂覆在片材的至少一个表面的至少一部分上的粘合剂组合物。 微孔材料包含（A）5至100重量％的低熔体流动指数聚丙烯的聚合物基质组分; 0至90重量％的超高分子量聚乙烯; 和0至90重量％的高密度聚乙烯; （B）分散在整个聚合物基体（A）中的细碎的颗粒填料组分，包括硅质和非硅质材料; 和（C）基本贯穿整个微孔材料相通的相互连通的孔的网络，所述孔构成微孔材料的10至80体积％，其中填料组分（B）与聚合物基质组分（A）的重量比为0.1 到10.0。
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公开(公告)号：US20080118738A1
公开(公告)日：2008-05-22
申请号：US11601191
申请日：2006-11-17
IPC分类号： B32B3/00
CPC分类号： B32B27/32 , B32B5/18 , Y10T428/24998 , Y10T428/31938
摘要： Described are microporous materials including (a) a polymeric matrix component; (b) a finely divided, particulate inorganic filler component dispersed throughout the polymeric matrix; and (c) a network of interconnecting pores communicating substantially throughout the microporous material, the pores constituting 10 to 80 percent by volume of the microporous material. The polymeric component is based on (i) 5 to 100 weight percent based on total weight of component (a) of low melt flow index polypropylene; (ii) 0 to 90 weight percent based on total weight of component (a) of ultrahigh molecular weight polyethylene; and (iii) 0 to 90 weight percent based on total weight of component (a) of high density polyethylene. Also provided are multi-layer articles prepared from the microporous materials.
摘要翻译： 描述的是微孔材料，包括（a）聚合物基质组分; （b）分散在整个聚合物基质中的细碎的颗粒状无机填料组分; 和（c）基本上贯穿整个微孔材料连通的互连孔的网络，所述孔构成微孔材料的10至80体积％。 聚合物组分基于（i）基于低熔体流动指数聚丙烯组分（a）的总重量的5至100重量％; （ii）基于超高分子量聚乙烯的组分（a）的总重量为0至90重量％; 和（iii）基于高密度聚乙烯组分（a）的总重量为0至90重量％。 还提供了由微孔材料制备的多层制品。
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