基本信息:
- 专利标题: SHRINK FILMS WITH HIGH TEAR RESISTANCE, AND METHODS OF MAKING THEREOF
- 专利标题(中):具有高耐磨性的收缩膜及其制造方法
- 申请号:PCT/CN2014/075491 申请日:2014-04-16
- 公开(公告)号:WO2015157939A1 公开(公告)日:2015-10-22
- 发明人: PAN, Jianping , LIN, Yijian , YUN, Xiaobing , DEMIRORS, Mehmet
- 申请人: DOW GLOBAL TECHNOLOGIES LLC , PAN, Jianping , LIN, Yijian , YUN, Xiaobing , DEMIRORS, Mehmet
- 申请人地址: 2040 Dow Center Midland Michigan 48674 US
- 专利权人: DOW GLOBAL TECHNOLOGIES LLC,PAN, Jianping,LIN, Yijian,YUN, Xiaobing,DEMIRORS, Mehmet
- 当前专利权人: DOW GLOBAL TECHNOLOGIES LLC,PAN, Jianping,LIN, Yijian,YUN, Xiaobing,DEMIRORS, Mehmet
- 当前专利权人地址: 2040 Dow Center Midland Michigan 48674 US
- 代理机构: WU, FENG & ZHANG CO.
- 主分类号: B32B27/32
- IPC分类号: B32B27/32 ; B29C55/12 ; C08L23/04
摘要:
A multilayer ethylene-based shrink films comprising a core layer comprising a polyethylene resin,and two skin layers, wherein the core layer is positioned between the two skin layers,wherein the polyethylene resin comprises greater than 50 mol. % of the units derived from ethylene and less than 30 mol. %of the units derived from one or more alpha-olefin comonomers, has greater than 50 % of the copolymer fraction eluting between 75.0 ℃ and 95.0 ℃ as determined by Crystallization Elution Fractionation(CEF), and has a density ranging from 0.915 to 0.940g/cc, and wherein the film is biaxially-oriented.
摘要(中):
一种多层乙烯类收缩膜,其包含包含聚乙烯树脂的芯层和两个表皮层,其中芯层位于两个表层之间,其中聚乙烯树脂包含大于50mol。 衍生自乙烯的单元的百分比小于30mol。 衍生自一种或多种α-烯烃共聚单体的单元的%具有通过结晶洗脱分级(CEF)测定的在75.0℃和95.0℃之间洗脱的共聚物级分的大于50%,并且具有0.915至0.940g的密度 / cc,并且其中所述膜是双轴取向的。
IPC结构图谱:
B | 作业;运输 |
--B32 | 层状产品 |
----B32B | 层状产品,即由扁平的或非扁平的薄层,例如泡沫状的、蜂窝状的薄层构成的产品 |
------B32B27/00 | 实质上由合成树脂组成的层状产品 |
--------B32B27/32 | .由聚烯烃组成的 |