US 11,807,795 B2
Optical device with antistatic coating
Bryan V. Hunt, Nowthen, MN (US); Brandt K. Carter, Woodbury, MN (US); Maureen C. Nelson, West St. Paul, MN (US); Thomas P. Klun, Lakeland, MN (US); Jason S. Petaja, Cottage Grove, MN (US); Yizhong Wang, Woodbury, MN (US); and Joel D. Oxman, Minneapolis, MN (US)
Assigned to 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
Filed by 3M INNOVATIVE PROPERTIES COMPANY, St. Paul, MN (US)
Filed on May 31, 2022, as Appl. No. 17/804,726.
Application 17/804,726 is a continuation of application No. 13/392,700, abandoned, previously published as PCT/US2010/047005, filed on Aug. 27, 2010.
Claims priority of provisional application 61/237,992, filed on Aug. 28, 2009.
Prior Publication US 2022/0290022 A1, Sep. 15, 2022
Int. Cl. C08F 220/34 (2006.01); C09K 3/16 (2006.01); C08F 222/10 (2006.01)
CPC C09K 3/16 (2013.01) [C08F 220/34 (2013.01); C08F 222/104 (2020.02); Y10T 428/3154 (2015.04); Y10T 428/31544 (2015.04); Y10T 428/31663 (2015.04)] 2 Claims
OG exemplary drawing
 
1. An optical device comprising at least one optical layer and at least one antistatic layer disposed on at least one surface of said at least one optical layer wherein said at least one antistatic layer comprises the reaction product of a reaction mixture comprising:
(a) 30 to 50 weight percent of at least one polymerizable ionic liquid onium salt which is a (meth)acryl functional quaternary ammonium salt having a melting point (Tm) below 100° C. and comprising an anion selected from the group consisting of alkyl sulfates, methane sulfonates, tosylates, —C(SO2CF3)3, —O3SCF3, −O3SC4F9, and —N(SO2CF3)2; and
(b) at least one non-onium acrylate functional silicone polyether,
wherein the reaction mixture comprises 1.1 to 1.95 weight percent of the at least one non-onium acrylate functional silicone polyether.