US 11,945,076 B2
Articles including polyester backing and primer layer and related methods
Amelia W. Koenig, Minneapolis, MN (US); Liming Song, Woodbury, MN (US); Stephen M. Sanocki, Stillwater, MN (US); Yu Yang, Eden Prairie, MN (US); Yaohua Gao, Woodbury, MN (US); Aniruddha A. Upadhye, St. Paul, MN (US); Morgan A. Priolo, Woodbury, MN (US); Saurabh Batra, Minneapolis, MN (US); and Angela S. McLean, Woodbury, MN (US)
Assigned to 3M Innovative Properties Company, St. Paul, MN (US)
Appl. No. 17/261,709
Filed by 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
PCT Filed Jul. 23, 2019, PCT No. PCT/IB2019/056300
§ 371(c)(1), (2) Date Jan. 20, 2021,
PCT Pub. No. WO2020/021457, PCT Pub. Date Jan. 30, 2020.
Claims priority of provisional application 62/702,029, filed on Jul. 23, 2018.
Prior Publication US 2021/0260724 A1, Aug. 26, 2021
Int. Cl. B24D 3/00 (2006.01); B24D 3/28 (2006.01); C08J 7/04 (2020.01); C08J 7/043 (2020.01)
CPC B24D 3/004 (2013.01) [B24D 3/007 (2013.01); B24D 3/28 (2013.01); C08J 7/042 (2013.01); C08J 7/043 (2020.01); C08J 2367/02 (2013.01); C08J 2453/02 (2013.01); C08J 2461/06 (2013.01)] 20 Claims
OG exemplary drawing
 
1. An article comprising:
a non-fibrous polyester film backing; and
a primer layer comprising a carboxylated styrene butadiene copolymer crosslinked with a polyfunctional aziridine disposed on a major surface of the non-fibrous polyester film backing.