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公开(公告)号：US20220234276A1
公开(公告)日：2022-07-28
申请号：US17723683
申请日：2022-04-19
发明人： John P. Purcell , James B. Svacha , Stephen A. Johnson , Timothy J. Lindquist , Grant F. Tiefenbruck , Chad R. Wold
IPC分类号： B29C55/16 , B29C35/04 , B29C55/00 , B29C55/02 , B29C55/14 , B32B7/06 , B32B25/08 , B32B25/14 , B32B27/08 , B32B27/32 , B32B27/36 , B32B38/00
摘要： 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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2.发明申请公开(公告)号：US20200156355A1
公开(公告)日：2020-05-21
申请号：US16630132
申请日：2018-08-08
发明人： Stephen A. Johnson , Derek W. Patzman , Richard Yufeng Liu , Victor Ho , Timothy J. Hebrink , Kevin T. Huseby , John F. VanDerlofske, III , John P. Purcell , William T. Fay , James B. Svacha , Richard J. Thompson , Timothy J. Lindquist , Kristopher J. Derks
摘要： Multi-layer films, and processes to make the films, that enable the delivery of a substrate featuring a peelable thin layer of low haze, amorphous, isotropic film with the desired properties of high modulus, high usage temperature, UV blockage, and toughness The films are made using a co-extrusion, co-orientation and annealing process to enable the delivery of a thin isotropic, UV blocking layer on top of a release layer and support substrate. These film constructions can be kept together during additional processing steps such as coating and converting. The release and dimensionally stable substrate layer can be easily removed once processing steps are completed.
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