Title:
LOW SHRINK POLYESTER FILMS AND METHOD OF MAKING
Document Type and Number:
WIPO Patent Application WO/2017/117214
Kind Code:
A3
Abstract:
A method for making low shrink polyester films wherein the films are arranged in stacks, tentered, heat treated, and relaxed in unison. Also, polyester films produced by such method.
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Inventors:
PURCELL JOHN P (US)
SVACHA JAMES B (US)
JOHNSON STEPHEN A (US)
LINDQUIST TIMOTHY J (US)
TIEFENBRUCK GRANT F (US)
WOLD CHAD R (US)
SVACHA JAMES B (US)
JOHNSON STEPHEN A (US)
LINDQUIST TIMOTHY J (US)
TIEFENBRUCK GRANT F (US)
WOLD CHAD R (US)
Application Number:
PCT/US2016/068864
Publication Date:
August 31, 2017
Filing Date:
December 28, 2016
Export Citation:
Assignee:
3M INNOVATIVE PROPERTIES CO (US)
International Classes:
B29D7/01; B29C55/10; B32B7/06; B32B27/08; C08J5/18
Foreign References:
US20150183178A1 | 2015-07-02 | |||
US20140065397A1 | 2014-03-06 | |||
EP0012405A1 | 1980-06-25 | |||
US20020065346A1 | 2002-05-30 | |||
US5753377A | 1998-05-19 | |||
KR20080087755A | 2008-10-01 |
Attorney, Agent or Firm:
JORDAN, Robert H., et al. (US)
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