	US 12,448,540 B2
	Fluorinated ether compound, fluorinated ether composition, coating liquid and article
Taiki Hoshino, Tokyo (JP); Kiyotaka Takao, Tokyo (JP); Kazue Toda, Tokyo (JP); Kenji Ishizeki, Tokyo (JP); and Akira Isobe, Tokyo (JP)
Assigned to AGC Inc., Tokyo (JP)
Filed by AGC Inc., Tokyo (JP)
Filed on Jul. 2, 2024, as Appl. No. 18/761,449.
Application 18/761,449 is a continuation of application No. 17/038,304, filed on Sep. 30, 2020, granted, now 12,071,563.
Application 17/038,304 is a continuation of application No. 16/715,155, filed on Dec. 16, 2019, granted, now 10,829,666, issued on Nov. 10, 2020.
Application 16/715,155 is a continuation of application No. 15/877,489, filed on Jan. 23, 2018, granted, now 10,550,288, issued on Feb. 4, 2020.
Application 15/877,489 is a continuation of application No. PCT/JP2016/075354, filed on Aug. 30, 2016.
Claims priority of application No. 2015-171986 (JP), filed on Sep. 1, 2015.
Prior Publication US 2024/0352278 A1, Oct. 24, 2024
Int. Cl. C09D 201/04 (2006.01); B32B 33/00 (2006.01); C07F 7/18 (2006.01); C08F 259/08 (2006.01); C08G 65/00 (2006.01); C08G 65/329 (2006.01); C08G 65/336 (2006.01); C09D 171/00 (2006.01); C09D 201/10 (2006.01)

CPC C09D 201/04 (2013.01) [B32B 33/00 (2013.01); C07F 7/1804 (2013.01); C08F 259/08 (2013.01); C08G 65/007 (2013.01); C08G 65/329 (2013.01); C08G 65/336 (2013.01); C09D 171/00 (2013.01); C09D 201/10 (2013.01); B32B 2307/7265 (2013.01); B32B 2307/746 (2013.01)]

20 Claims

1. A fluorinated ether compound represented by formula (2):

[X²_3-n2R²³_n2Si—R²²—]₃C—R²¹—[N(R²)C(O)]_p2—(R^f2O)_m2-Q²-[C(O)N(R²)]_p2—R²¹—C[—R²²—SiR²³_n2X²_3-n2]₃ (2)

wherein R^f2is a fluoroalkylene group having no branched structure,

m2 is an integer of from 2 to 210,

(R^f2O)_m2is one composed of the same type or at least two types of R^f2O different in number of carbon atoms,

Q²is a fluoroalkylene group having no branched structure,

R²is a hydrogen atom or an alkyl group,

p2 is 0 or 1, and two p2 are the same or different,

R²¹is a single bond, an alkylene group, an alkylene group comprising an etheric oxygen atom at its terminal on the side bonded to [X²_3-n2R²³_n2Si—R²²—]₃C, an alkylene group with at least two carbon atoms comprising an etheric oxygen atom between its carbon-carbon atoms, or an alkylene group with at least two carbon atoms comprising an etheric oxygen atom between its carbon-carbon atoms and at its terminal on the side bonded to [X²_3-n2R²³_n2Si—R²²—]₃C,

two R²¹are the same group or different groups,

R²²is an alkylene group or an alkylene group with at least two carbon atoms comprising an etheric oxygen atom between its carbon-carbon atoms,

R²³is a hydrogen atom or a monovalent hydrocarbon group,

X²is a hydrolyzable group,

n2 is an integer of from 0 to 2, and

six [—R²²—SiR²³_n2X²_3-n2] are the same group or different groups.