Granted Patent B2

US 12,565,597 · App. 16/945,287 · Granted Mar 3, 2026

Inventors: Hisashi Mitsuhashi (Osaka, JP); Takashi Nomura (Osaka, JP); Masato Naitou (Osaka, JP); Yuusuke Watanabe (Osaka, JP); Kaori Ozawa (Osaka, JP); Shinya Takano (Osaka, JP); Peter Hupfield (Düsseldorf, DE)

Assignee: DAIKIN INDUSTRIES, LTD.

C09D183/02C03C17/30C08G65/336C09D5/00H04M1/02

Abstract

Claims (103)

1 . A mobile phone or a smartphone comprising a surface-treating layer formed on at least a part of a surface thereof, wherein the mobile phone or the smartphone is an electronic device that is driven by a battery, and the surface-treating layer is formed of a fluoro (poly) ether group-containing silane compound represented by any of the following formulae (B1), (B2), (C1), or (C2):

wherein:

PFPE is each independently at each occurrence

a group represented by the formula:

—(OC 6 F 12 ) a —(OC 5 F 10 ) b —(OC 4 F 8 ) c —(OC 3 X F 6 ) d —(OC 2 F 4 ) e —(OCF 2 ) f —

and having at least one branched structure,

wherein a, b, c, d, e, and f are each independently an integer of 0 or more and 200 or less, and the sum of a, b, c, d, e, and f is at least 1, and the occurrence order of the respective repeating units in parentheses with a, b, c, d, e, or f is arbitrary in the formula, and X F is each independently at each occurrence a hydrogen atom, a fluorine atom, or a chlorine atom,

or

a group represented by the formula:

—(R 16 —R 17 ) j1 —

wherein R 16 is OCF 2 or OC 2 F 4 ;

R 17 is a group selected from OC 2 F 4 , OC 3 X F 6 , OC 4 F 8 , OC 5 F 10 , and OC 6 F 12 , or is a combination of two or three groups independently selected from these groups;

j1 is an integer of 2 to 100; and

X F is each independently at each occurrence a hydrogen atom, a fluorine atom, or a chlorine atom;

Rf each independently at each occurrence represents an alkyl group having 1 to 16 carbon atoms which is optionally substituted by one or more fluorine atoms;

X 3 each independently at each occurrence represents —(R 31 ) p′ —(X a ) q′ —R 32 —, —X 10 —CON(R 34 )—X 11 —, —X 10 —(OR 35 ) n4 —X 11 —, or a C 1-6 alkylene group;

R 31 represents a single bond, —(CH 2 ) s′ — which is optionally substituted by one or more fluorine atoms, or an o-, m-, or p-phenylene group;

s′ is an integer of 1 to 20;

X a is —(X b ) l′ —;

X b each independently at each occurrence represents a group selected from the group consisting of —O—, —(OR 35 ) n4 —, —S—, an o-, m-, or p-phenylene group, —C(O)O—, —Si(R 33 ) 2 —, (Si(R 33 ) 2 O) m′ —Si(R 33 ) 2 —, —CON(R 34 )—, —O—CON(R 34 )—, —N(R 34 )—, and —(CH 2 ) n′ —;

R 33 each independently at each occurrence represents a phenyl group, a C 1-6 alkyl group, or a C 1-6 alkoxy group;

R 34 each independently at each occurrence represents a hydrogen atom, a phenyl group, or a C 1-6 alkyl group;

R 35 is each independently at each occurrence a C 1-6 alkylene group;

n4 is each independently at each occurrence an integer of 1 to 5;

m′ is each independently at each occurrence an integer of 1 to 100;

n′ is each independently at each occurrence an integer of 1 to 20;

l′ is an integer of 1 to 10;

p′ is 0 or 1;

q′ is 0 or 1;

at least one of p′ and q′ is 1, and the occurrence order of the respective repeating units in parentheses with p′ or q′ is arbitrary in the formula;

R 32 represents a single bond, —(CH 2 ) t′ — or an o-, m-, or p-phenylene group;

t′ is an integer of 1 to 20;

X 10 is a single bond or a divalent organic group;

X 11 is a single bond, an oxygen atom, or a divalent organic group;

R 34 is a hydrogen atom, a phenyl group, or a C 1-6 alkyl group;

R 35 is each independently at each occurrence a C 1-6 alkylene group;

n 4 is an integer of 1 to 5;

β and β′ are 1;

R a each independently at each occurrence represents —Z 3 —SiR 71 p1 R 72 q1 R 73 r1 ;

Z 3 each independently at each occurrence represents an oxygen atom or a divalent organic group;

R 71 each independently at each occurrence represents R a′ ;

R a′ is as defined for R a ;

in R a , the number of Si atoms which are linearly linked via the Z 3 group is up to five;

R 72 each independently at each occurrence represents a hydroxyl group or a hydrolyzable group;

R 73 each independently at each occurrence represents a hydrogen atom or a lower alkyl group;

p1 is 0;

q1 is each independently at each occurrence an integer of 1 to 3;

r1 is each independently at each occurrence an integer of 0 to 2;

in each (—Z 3 —SiR 71 p1 R 72 q1 R 73 r1 ), the sum of p1, q1, and r1 is 3;

R b each independently at each occurrence represents a hydroxyl group or a hydrolyzable group;

R c each independently at each occurrence represents a hydrogen atom or a lower alkyl group;

k1 is 3;

l1 and m1 are 0;

X 5 is a divalent group represented by the following formula:

—(R 31 ) p′ —(X a ) q′ —

wherein:

R 31 represents a single bond, —(CH 2 ) s′ — which is optionally substituted by one or more fluorine atoms, or an o-, m-, or p-phenylene group,

s′ is an integer of 1 to 20,

X a represents —(X b ) l′ —,

X b each independently at each occurrence represents a group selected from the group consisting of —O—, —(OR 35 ) n4 —, —S—, an o-, m-, or p-phenylene group, —C(O)O—, —Si(R 33 ) 2 —, —(Si(R 33 ) 2 O) m′ —Si(R 33 ) 2 —, —CON(R 34 )—, —O—CON(R 34 )—, —N(R 34 )—, and —(CH 2 ) n′ —,

R 33 each independently at each occurrence represents a phenyl group, a C 1-6 alkyl group, or a C 1-6 alkoxy group,

R 34 each independently at each occurrence represents a hydrogen atom, a phenyl group, or a C 1-6 alkyl group,

R 35 is each independently at each occurrence a C 1-6 alkylene group,

n4 is each independently at each occurrence an integer of 1 to 5,

m′ is each independently at each occurrence an integer of 1 to 100,

n′ is each independently at each occurrence an integer of 1 to 20,

l′ is an integer of 1 to 10,

p′ is 0 or 1,

q′ is 0 or 1, and

at least one of p′ and q′ is 1, and the occurrence order of the respective repeating units in parentheses with p′ or q′ is arbitrary in the formula;

γ and γ′ are 1;

R d each independently at each occurrence represents —Z 4 —CR 81 p2 R 82 q2 R 83 r2 ;

Z 4 each independently at each occurrence represents an oxygen atom or a divalent organic group;

R 81 each independently at each occurrence represents R d′ ;

R d′ is as defined for R d ;

in R d , the number of C atoms which are linearly linked via the Z 4 group is up to five;

R 82 each independently at each occurrence represents —Y—SiR 85 n2 R 86 3-n2 ;

Y each independently at each occurrence represents a divalent organic group;

R 85 each independently at each occurrence represents a hydroxyl group or a hydrolyzable group;

R 86 each independently at each occurrence represents a hydrogen atom or a lower alkyl group;

n2 independently represents an integer of 1 to 3 for each (—Y—SiR 85 n2 R 86 3-n2 ) unit;

R 83 each independently at each occurrence represents a hydrogen atom, a hydroxyl group, or a lower alkyl group;

p2 is each independently at each occurrence an integer of 0 to 3;

q2 is each independently at each occurrence an integer of 0 to 3;

r2 is each independently at each occurrence an integer of 0 to 3;

in each (—Z 4 —CR 81 p2 R 82 q2 R 83 r2 ), the sum of p2, q2, and r2 is 3;

R e each independently at each occurrence represents —Y—SiR 85 n2 R 86 3-n2 ;

R f each independently at each occurrence represents a hydrogen atom, a hydroxyl group, or a lower alkyl group;

k2 is 0;

l2 is 3;

m2 is 0; and

in the formulae (C1) and (C2), there is at least one group represented by —Y—SiR 85 .

2 . The mobile phone or the smartphone according to claim 1 , wherein in the formulae (B1) and (B2), there are at least two Si atoms bonded to a hydroxyl group or a hydrolyzable group.

3 . The mobile phone or the smartphone according to claim 1 , wherein in the formulae (C1) and (C2), there are two or more groups represented by —Y—SiR 85 .

4 . The mobile phone or the smartphone according to claim 1 , wherein X F is a fluorine atom.

5 . The mobile phone or the smartphone according to claim 1 , wherein R 83 and R f are each independently at each occurrence a hydrogen atom or a lower alkyl group.

6 . The mobile phone or the smartphone according to claim 1 , wherein the electronic device is a device capable of being driven by a rechargeable battery.

7 . The mobile phone or the smartphone according to claim 6 , wherein the electronic device has a first main surface and a second main surface facing the first main surface, and has a surface-treating layer on the second main surface.

8 . The mobile phone or the smartphone according to claim 1 , wherein PFPE is a group represented by the formula:

—(OCF 2 CF(CF 3 )) d —(OC 2 F 4 ) e —,

wherein d is an integer of 1 or more and 200 or less, and e is 0 or 1.

9 . The mobile phone or the smartphone according to claim 1 , wherein a dynamic friction coefficient on the surface-treating layer is in the range of 0.1 to 0.5.

10 . The mobile phone or the smartphone according to claim 1 , wherein the mobile phone or the smartphone is wirelessly rechargeable, and the surface-treating layer of the mobile phone or the smartphone is in contact with a surface of a charging stand.

Assignments (2)

Priority Claims (1)

Continuity (2)

References Cited (36)