Invention Grant
- Patent Title: Packaging films with improved hot-tack performance
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Application No.: US16466297Application Date: 2016-12-22
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Publication No.: US11318723B2Publication Date: 2022-05-03
- Inventor: Melissa Kanzelberger Coolich
- Applicant: Bemis Company, Inc.
- Applicant Address: US WI Neenah
- Assignee: Bemis Company, Inc.
- Current Assignee: Bemis Company, Inc.
- Current Assignee Address: US WI Neenah
- International Application: PCT/US2016/068351 WO 20161222
- International Announcement: WO2018/118068 WO 20180628
- Main IPC: B32B27/32
- IPC: B32B27/32 ; B32B27/08 ; C08L23/06 ; C08L23/16
Abstract:
The present invention is directed to hot-fill/retort packaging films having a sealant layer composition comprising a first propylene-ethylene copolymer, a second propylene-ethylene copolymer and a polyethylene. Hot-fill/retort packaging films are provided herein having a sealant layer composition that exhibits an ultimate hot tack within a range from 88 N/m to 876 H/m (0.5 lb./in to 5 lb./in) at a temperature within the range from 116° C. to 182° C. (240° F. to 360° F.).
Public/Granted literature
- US20190337275A1 PACKAGING FILMS WITH IMPROVED HOT-TACK PERFORMANCE Public/Granted day:2019-11-07
Information query
