Invention Grant
- Patent Title: Multilayer film and pouch with same
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Application No.: US16336728Application Date: 2016-09-28
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Publication No.: US11059257B2Publication Date: 2021-07-13
- Inventor: Hang Lu , Joy Jingyi Xu , Yutaka Maehara , Jian-ping Pan , Xiao Bing Yun
- Applicant: Dow Global Technologies LLC
- Applicant Address: US MI Midland
- Assignee: Dow Global Technologies LLC
- Current Assignee: Dow Global Technologies LLC
- Current Assignee Address: US MI Midland
- Agency: Quarles & Brady LLP
- International Application: PCT/CN2016/100516 WO 20160928
- International Announcement: WO2018/058354 WO 20180405
- Main IPC: B32B1/02
- IPC: B32B1/02 ; A61J1/10 ; A61J1/14 ; B32B27/08 ; B32B27/30 ; B32B27/32 ; C08L23/12 ; C08L23/14 ; C08L53/02

Abstract:
The present disclosure is directed to a retort pouch. In an embodiment, the retort pouch includes a multilayer film with at least three layers. The at least three layers include (A) a skin layer comprising a blend of a propylene-based polymer and a styrenic block copolymer, (B) a seal layer comprising blend of a propylene-based polymer and a styrenic block copolymer, and (C) a core layer located between the skin layer (A) and the seal layer (B). The core layer comprises a blend of (1) a propylene-based polymer, (2) an ethylene-based polymer, and (3) a crystalline block composite (CBC).
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