Invention Grant
- Patent Title: Birefringent polyester film with low haze having specified Tan Delta value
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Application No.: US14974198Application Date: 2015-12-18
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Publication No.: US10067278B2Publication Date: 2018-09-04
- Inventor: Stephen A. Johnson , Ryan T. Fabick , Edward J. Kivel , Victor Ho , Benjamin J. Bending , Christopher W. A. Krohe
- Applicant: 3M INNOVATIVE PROPERTIES COMPANY
- Applicant Address: US MN St. Paul
- Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee: 3M INNOVATIVE PROPERTIES COMPANY
- Current Assignee Address: US MN St. Paul
- Main IPC: G02B5/30
- IPC: G02B5/30 ; G02B1/04 ; C08J5/18 ; G02B1/08 ; B32B27/08 ; G02B27/28
Abstract:
A birefringent polyester film includes naphthalate units, ethylene units, a titanate compound, a planar branching unit, and 1 to 80 ppm metal content. The birefringent polyester film has an out-of-plane birefringence of at least 0.1 at 633 nm.
Public/Granted literature
- US20170176658A1 BIREFRINGENT POLYESTER FILM WITH LOW HAZE Public/Granted day:2017-06-22
Information query
