	US 12,391,798 B2
	Fluoropolyether group-containing silane compound
Hideyuki Ikeuchi, Osaka (JP); Masato Naitou, Osaka (JP); Motoshi Matsui, Osaka (JP); and Takashi Nomura, Osaka (JP)
Assigned to DAIKIN INDUSTRIES, LTD., Osaka (JP)
Filed by DAIKIN INDUSTRIES, LTD., Osaka (JP)
Filed on Jan. 5, 2022, as Appl. No. 17/647,057.
Application 17/647,057 is a continuation of application No. PCT/JP2020/034141, filed on Sep. 9, 2020.
Claims priority of application No. 2019-176062 (JP), filed on Sep. 26, 2019.
Prior Publication US 2022/0127418 A1, Apr. 28, 2022
Int. Cl. C08G 65/336 (2006.01); C08G 65/333 (2006.01); C07F 7/08 (2006.01); C07F 7/18 (2006.01); C09D 5/16 (2006.01)

CPC C08G 65/336 (2013.01) [C08G 65/333 (2013.01); C07F 7/081 (2013.01); C07F 7/1804 (2013.01); C07F 7/188 (2013.01); C09D 5/1625 (2013.01)]

13 Claims

1. A fluoropolyether group-containing silane compound of the formula (Ia) or the formula (Ib):

R^F1—X^A—R^Si (1a)

R^Si—X^A—R^F2—X^A—R^Si (1b)

wherein

R^F1is each independently at each occurrence Rf¹—R^F—O_q—;

R^F2is —Rf²_p—R^F—O_g—;

Rf¹is each independently at each occurrence a C_1-16alkyl group optionally substituted with one or more fluorine atoms;

Rf²is a C_1-6alkylene group optionally substituted with one or more fluorine atoms;

R^Fis each independently at each occurrence a divalent fluoropolyether group;

p is 0 or 1;

q is each independently at each occurrence 0 or 1;

X^Ais each independently at each occurrence —X¹_r1—W—X²_r2—;

X¹is a divalent organic group;

W is a 5-membered heterocyclic ring having two or more heteroatoms;

at least one of the heteroatoms is a N atom;

X²is a divalent organic group;

r1 is 0 or 1;

r2 is 0 or 1;

R^Siis each independently at each occurrence represented by the formula (S1):

-A¹(Z¹—Si R¹¹_nR¹²_3-n)_mR^e_3-m (S1)

A¹is C or Si;

Z¹is each independently at each occurrence a divalent organic group;

R¹¹is each independently at each occurrence a hydroxyl group or a hydrolyzable group;

R¹²is each independently at each occurrence a hydrogen atom or a monovalent organic group;

n is each independently at each occurrence an integer of 1 to 3;

R^eis each independently at each occurrence a hydrogen atom, a hydroxyl group, or a monovalent organic group; and

m is each independently at each occurrence 2 or 3.