公开(公告)号：US10345495B2

公开(公告)日：2019-07-09

申请号：US15537528

申请日：2015-12-28

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Ruby Chakraborty ,  Cheryl S. Elsbernd ,  Shri Niwas ,  Bruce H. Edwards ,  Chih-Chung Hsu

IPC: G02B5/128 ,  B32B7/12 ,  B32B15/082 ,  G02B5/136

Abstract: Retroreflective article and precursor articles formed during the preparation of the retroreflective articles are provided. Also, methods of making both the precursor articles and the retroreflective articles are provided. The retroreflective articles and the precursor articles contain a reflective layer that includes both a reflective metal and a polymeric blend. The polymeric blend includes both a fluorinated polymer and a (meth)acrylate polymer. The retroreflective articles typically have anti-staining properties, anti-corrosion properties, or both.

公开(公告)号：US20170363784A1

公开(公告)日：2017-12-21

申请号：US15537528

申请日：2015-12-28

Applicant: 3M INNOVATIVE PROPERTIES COMPANY

Inventor： Ruby Chakraborty ,  Cheryl S. Elsbernd ,  Shri Niwas ,  Bruce H. Edwards ,  Chih-Chung Hsu

IPC: G02B5/128 ,  G02B5/136 ,  B32B7/12 ,  B32B15/082

CPC classification number: G02B5/128 ,  B32B7/12 ,  B32B15/082 ,  B32B2327/12 ,  B32B2333/12 ,  B32B2551/00 ,  G02B5/136

Abstract: Retroreflective article and precursor articles formed during the preparation of the retroreflective articles are provided. Also, methods of making both the precursor articles and the retroreflective articles are provided. The retroreflective articles and the precursor articles contain a reflective layer that includes both a reflective metal and a polymeric blend. The polymeric blend includes both a fluorinated polymer and a (meth)acrylate polymer. The retroreflective articles typically have anti-staining properties, anti-corrosion properties, or both.