Patent ID: 11970611
Assignee: DAIKIN INDUSTRIES, LTD.
Field: Macromolecular chemistry, polymers (Chemistry)
Classification: CPC C  A  B  G | IPC A  B  C  G

Claim 0:
1. A member for a wearable device, comprising:
a resin base material;
an electronic component; and
a protecting layer which protects the electronic component, wherein
the protecting layer is a layer formed from a curable composition comprising a perfluoropolyether group-containing compound, and
the perfluoropolyether group-containing compound is a perfluoropolyether group-containing silane compound represented by formula (A), (B), (C) or (D):, wherein:
PFPE, at each occurrence, is each independently a group represented by formula:
—(OC6F12)a—(OC5F10)b—(OC4F8)c—(OC3X106)d—(OC2F4)e—(OCF2)f—

wherein a, b, c, d, e and f are each independently an integer of 0 or more and 200 or less, the sum of a, b, c, d, e and f is at least 1, the occurrence order of the respective repeating units in parentheses with a, b, c, d, e or f is not limited in the formula, and X10, at each occurrence, is each independently a hydrogen atom, a fluorine atom or a chlorine atom;
R13, at each occurrence, each independently represents a hydroxyl group or a hydrolyzable group;
R14, at each occurrence, each independently represents a hydrogen atom or an alkyl group having 1 to 22 carbon atoms;
R11, at each occurrence, each independently represents a hydrogen atom or a halogen atom;
R12, at each occurrence, each independently represents a hydrogen atom or a lower alkyl group;
R11″, R12″, R13″ and R14″ are as defined for R11, R12, R13, and R14, respectively;
n1 with respect to each (—SiR13n1R143_n1) unit or each (—SiR13″n1R14″3-n1) unit is independently an integer of 0 to 3;
provided that at least two groups, at each occurrence, each independently selected from the group consisting of R13 and R13″ are present in formulae (A) and (B);
X1, at each occurrence, each independently represents a single bond or an organic group having a chemical valence of 2 to 10;
X2, at each occurrence, each independently represents a single bond or an organic group having a chemical valence of two;
t, at each occurrence, is each independently an integer of 1 to 10;
α1, at each occurrence, is each independently an integer of 1 to 9;
X3, at each occurrence, each independently represents a single bond or an organic group having a chemical valence of 2 to 10;
β1 at each occurrence, is each independently an integer of 1 to 9;
X5, at each occurrence, each independently represents a single bond or an organic group having a chemical valence of 2 to 10;
γ1, at each occurrence, is each independently an integer of 1 to 9;
Ra, at each occurrence, each independently represents —Z3—SiR71p1R72q1R73r1;
Z3, at each occurrence, each independently represents an oxygen atom or an organic group having a chemical valence of two;
R71, at each occurrence, each independently represents Ra′;
Ra′ is as defined for Ra;
the number of Si linearly linked via a Z3 group in Ra is at most 5;
R72, at each occurrence, each independently represents a hydroxyl group or a hydrolyzable group;
R73, at each occurrence, each independently represents a hydrogen atom or a lower alkyl group;
p1, at each occurrence, is each independently an integer of 0 to 3;
q1, at each occurrence, is each independently an integer of 0 to 3;
r1, at each occurrence, is each independently an integer of 0 to 3;
Ra″, at each occurrence, each independently represents —Z3—SiR71p1R72″q1R73r1;
R72″ is as defined for R72;
provided that the sum of p1, q1 and r1 with respect to each (—Z3—SiR71p1R72q1R73r1) or with respect to each (—Z3—SiR71p1R72″q1R73r1) is 3 and at least one q1 in formula (C) is an integer of 1 to 3;
Rb, at each occurrence, each independently represents a hydroxyl group or a hydrolyzable group;
Rc, at each occurrence, each independently represents a hydrogen atom or a lower alkyl group;
Rb″ and Rc″ are as defined for Rb and Rc, respectively;
k1, at each occurrence, is each independently an integer of 0 to 3;
l1, at each occurrence, is each independently an integer of 0 to 3;
m1, at each occurrence, is each independently an integer of 0 to 3;
provided that the sum of k1, l1 and m1 with respect to each (SiRak1Rbl1Rcm1) or with respect to each (SiRa″k1Rb″l1Rc″m1) is 3;
at least two groups selected from the group consisting of Rb, Rb″, R72 and R72″ are present in formula (C);
X7 each independently represents a single bond or an organic group having a chemical valence of 2 to 10;
δ1 is each independently an integer of 1 to 9;
Rd, at each occurrence, each independently represents —Z4—CR81p2R82q2R83r2;
Z4, at each occurrence, each independently represents an oxygen atom or an organic group having a chemical valence of two;
R81, at each occurrence, each independently represents Rd′;
Rd′ is as defined for Rd;
the number of C linearly bonded via a Z4 group in Rd is at most 5;
R82, at each occurrence, each independently represents —Y—SiR85n2R863-n2;
Y, at each occurrence, each independently represents an organic group having a chemical valence of two;
R85, at each occurrence, each independently represents a hydroxyl group or a hydrolyzable group;
R86, at each occurrence, each independently represents a hydrogen atom or a lower alkyl group;
R83, at each occurrence, each independently represents a hydrogen atom, a hydroxyl group or a lower alkyl group;
p2, at each occurrence, is each independently an integer of 0 to 3;
q2, at each occurrence, is each independently an integer of 0 to 3;
r2, at each occurrence, is each independently an integer of 0 to 3;
Rd″, at each occurrence, each independently represents —Z4—CR81p2R82″q2R83r2;
R82″ represents —Y—SiR85″n2R86″3-n2;
provided that the sum of p2, q2 and r2 with respect to each (—Z4—CR81p2R82g2R83r2) or with respect to each (—Z4-CR81p2R82″g2R83r2) is 3;
n2 with respect to a each (—Y—SiR85n2R863-n2) unit or with respect to a each (—Y—SiR85″n2R86″3-n2) unit independently represents an integer of 0 to 3;
R85″ and R86″ are as defined for R85 and R86, respectively;
Re, at each occurrence, each independently represents —Y—SiR85n2R863-n2;
Re″, at each occurrence, independently represents —Y—SiR85″n2R86″3-n2;
Rf, at each occurrence, each independently represents a hydrogen atom, a hydroxyl group or a lower alkyl group;
Rf″ is as defined for Rf;
k2, at each occurrence, i each s independently an integer of 0 to 3;
l2, at each occurrence, is each independently an integer of 0 to 3; and
m2, at each occurrence, is each independently an integer of 0 to 3;
provided that the sum of k2, l2 and m2 with respect to (CRdk2Rel2Rfm2) or with respect to (CRd″k2Re″l2Rf″m2) is 3, and two or more groups selected from the group consisting of a group represented by —Y—SiR85n2R863-n2 wherein n2 is 1 or more and a group represented by —Y—SiR85″n2R86″3-n2 wherein n2 is 1 or more are present in formula (D).