公开(公告)号：US20180339500A1

公开(公告)日：2018-11-29

申请号：US15778266

申请日：2016-12-13

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Amanda K. HULKE ,  Keith R. LYON ,  Jonathan E. JANOSKI ,  Carla S. THOMAS ,  Anthony F. SCHULTZ ,  Tien Y.H. WHITING

IPC: B32B27/30 ,  B32B27/20 ,  B32B7/12

Abstract: A graphic film is described comprising a first film layer having a Tg ranging from 30° C. to 60° C. The first film layer comprises a (meth)acrylic polymer and polyvinyl acetal polymer. In typical embodiments, the graphic film further comprises a design, image, graphic, or text. Also described is a method of forming a graphic film comprising providing a film comprising a first film layer having a Tg ranging from 30° C. to 60° C. comprising a (meth)acrylic polymer and polyvinyl acetal polymer and providing a graphic proximate the film.

公开(公告)号：US20200341180A1

公开(公告)日：2020-10-29

申请号：US16757898

申请日：2018-10-26

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Kui CHEN-HO ,  Michael A. MCCOY ,  John A. WHEATLEY ,  Susannah C. CLEAR ,  Michelle L. TOY ,  Alex P. PONGRATZ ,  Matthew E. SOUSA ,  Matthew B. JOHNSON ,  Gilles BENOIT ,  David J.W. AASTUEN ,  Guanglei DU ,  Tien Yi T.H. WHITING ,  Kevin W. GOTRIK ,  Christopher A. MERTON ,  Ying XIA ,  Olester BENSON, JR. ,  Charles A. SHAKLEE ,  Travis L. POTTS ,  Carla S. THOMAS

IPC: G02B5/30 ,  G02B5/124 ,  G02B5/128

Abstract: The disclosed light directing article has an optical element and a conformal retarder with predefined thickness that contours with the optical element. In one aspect, the light directing article is a retroreflective article, which further comprises a phase reversing optical reflector.

公开(公告)号：US20210102100A1

公开(公告)日：2021-04-08

申请号：US16618837

申请日：2018-06-19

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Ying Xia ,  Tien Yi T. H. Whiting ,  Carla S. THOMAS ,  Anthony F. Schultz ,  Shri Niwas ,  Duane D. Fansler ,  Daniel J. O'Neal ,  Corinne E. LIPSCOMB ,  Mary M. Caruso Dailey ,  Alexander J. Kugel

IPC: C09J151/00 ,  B32B5/16 ,  B32B7/12 ,  B32B5/02 ,  B32B5/24 ,  B32B5/30

Abstract: Adhesive compositions that include polymerized units of one or more (meth)acrylate ester monomers derived from an alcohol containing 1 to 14 carbon atoms; polyvinyl acetal resin; and at least one initiator; and articles containing such compositions.