公开(公告)号：US06436496B1

公开(公告)日：2002-08-20

申请号：US09187715

申请日：1998-11-06

申请人： Mitchell J. Rackovan ,  John Kovalchuk

发明人： Mitchell J. Rackovan ,  John Kovalchuk

IPC分类号： B65D6500

CPC分类号： B32B27/08 ,  B32B27/32 ,  B32B2250/242 ,  B32B2307/736 ,  B32B2323/04 ,  B32B2323/10 ,  B32B2457/10 ,  B32B2553/00 ,  B32B2581/00 ,  H04L43/10 ,  Y10T428/1328 ,  Y10T428/1334 ,  Y10T428/1341 ,  Y10T428/14 ,  Y10T428/1452 ,  Y10T428/1476 ,  Y10T428/31913 ,  Y10T428/31928

摘要： The present invention relates to a halogen-free, multilayered heat shrink film comprising (A) a core layer comprising a copolymer of ethylene or propylene with an alpha olefin and the core having an upper and lower surface, (B) a skin layer on the upper surface of the core layer, wherein the skin layer comprises a polyolefin or polyolefin blend and (C) a printable layer on the lower surface of the core layer, wherein the shrinkage of the film is at least about 30%. The invention also relates to articles, including cylindrical articles such as batteries. The films have good shrinkage and avoids end puckering. Additionally, the films are printable, even with gravure printing. The films and labels produced thereform may be applied at high speeds and have good heat stability.

摘要翻译： 本发明涉及无卤多层热收缩膜，其包含（A）包含乙烯或丙烯与α-烯烃的共聚物的芯层和具有上表面和下表面的芯，（B）表层 所述芯层的上表面，其中所述表层包含聚烯烃或聚烯烃共混物，和（C）所述芯层的下表面上的可印刷层，其中所述膜的收缩率为至少约30％。 本发明还涉及包括诸如电池的圆柱形制品的制品。 这些胶片具有良好的收缩率，避免了起皱。 此外，即使使用凹版印刷，也可以印刷这些胶片。 其制造的薄膜和标签可以高速应用并且具有良好的热稳定性。

公开(公告)号：US06716501B2

公开(公告)日：2004-04-06

申请号：US10198061

申请日：2002-07-18

申请人： John Kovalchuk ,  Bernard S. Mientus

发明人： John Kovalchuk ,  Bernard S. Mientus

IPC分类号： B29D2200

CPC分类号： B32B27/08 ,  B32B27/20 ,  B32B37/153 ,  B32B2038/0028 ,  B32B2038/0048 ,  B32B2307/41 ,  B32B2519/00 ,  Y10T428/1352 ,  Y10T428/31507 ,  Y10T428/3175 ,  Y10T428/31786 ,  Y10T428/31797 ,  Y10T428/31855 ,  Y10T428/31928 ,  Y10T428/31931 ,  Y10T428/31935

摘要： This invention relates to a multilayered film for use as in-mold label, comprising: a core layer having a first surface and a second surface, the core layer being comprised of a polymeric material and particulate solids dispersed in the polymeric material; and a first skin layer overlying the first surface of the core layer; the film being formed by co-extruding the core layer and first skin layer to form the multilayered film, hot-stretching the film at a temperature above the expected service temperature of the label to provide the film with a machine direction orientation, the density of the film being reduced by about 5% to about 25% during hot-stretching, and annealing the film at a temperature above the expected service temperature of the label; the film having a machine direction Gurley stiffness value in the range of about 30 to about 120, a machine direction shrinkage of less than about 2%, and a machine direction shrink tension at 200° F. (93.3° C.) of less than about 100 psi.

摘要翻译： 本发明涉及用作模内标签的多层膜，其包括：具有第一表面和第二表面的芯层，所述芯层由聚合物材料和分散在聚合物材料中的颗粒固体组成; 以及覆盖所述芯层的第一表面的第一表皮层; 该膜通过共挤出芯层和第一表层以形成多层膜而形成，在高于标签预期使用温度的温度下热延伸膜以提供膜具有机器方向取向，密度 在热拉伸过程中，该薄膜减少约5％至约25％，并且在高于标签预期使用温度的温度下对膜进行退火; 机器方向Gurley刚度值在约30至约120的范围内，机器方向收缩率小于约2％，并且在200°F（93.3℃）下的机器方向收缩张力小于 约100psi。