	US 12,071,563 B2
	Fluorinated ether compound, fluorinated ether composition, coating liquid and article
Taiki Hoshino, Chiyoda-ku (JP); Kiyotaka Takao, Chiyoda-ku (JP); Kazue Toda, Chiyoda-ku (JP); Kenji Ishizeki, Chiyoda-ku (JP); and Akira Isobe, Chiyoda-ku (JP)
Assigned to AGC Inc., Tokyo (JP)
Filed by AGC Inc., Tokyo (JP)
Filed on Sep. 30, 2020, as Appl. No. 17/038,304.
Application 17/038,304 is a continuation of application No. 16/715,155, filed on Dec. 16, 2019, granted, now 10,829,666.
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 2021/0047540 A1, Feb. 18, 2021
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)]

18 Claims

1. A method for producing a compound represented by the following formula (17G), by reacting a compound represented by the following formula (14) with H²N—R¹¹—C(—R^12′—CH═CH₂)₃,

A¹-O—(CF₂CF₂O)(CF₂CF₂O)(R^F1O)_x—CF₂—C(O)OR¹⁰ (14)

A¹-O—(CF₂CF₂O)(CF₂CF₂O)(R^F1O)_x—CF₂—C(O)NH—R¹¹—C(R^12′—CH═CH₂)₃ (17G)

wherein

A¹is a C_1-20perfluoroalkyl group,

R^F1is a perfluoroalkylene group having no branched structure,

x is an integer of from 1 to 198,

R¹⁰is an alkyl group,

R¹¹is a single bond, an alkylene group, an alkylene group having an etheric oxygen atom at its terminal, which is the terminal on the side bonded to C(—R^12′—CH═CH₂), an alkylene group with at least two carbon atoms, having an etheric oxygen atom between its carbon-carbon atoms, or an alkylene group with at least two carbon atoms, having an etheric oxygen atom between its carbon-carbon atoms and at its terminal, which is the terminal on the side bonded to C(—R^12′—CH═CH₂);

R^12′ is an alkylene group, an alkylene group having an etheric oxygen atom at its terminal, or an alkylene group with at least two carbon atoms, having an etheric oxygen atom between its carbon-carbon atoms, and

(R^F1O)_xmay be one composed of at least two types of R^F1O.