US 11,718,717 B2
Resin composition, method for producing resin composition, film formation method, and cured product
Kunihiro Noda, Kawasaki (JP); Hiroki Chisaka, Kawasaki (JP); Kazuya Someya, Kawasaki (JP); and Dai Shiota, Kawasaki (JP)
Assigned to Tokyo Ohka Kogyo Co., Ltd., Kawasaki (JP)
Filed by TOKYO OHKA KOGYO CO., LTD., Kawasaki (JP)
Filed on Aug. 27, 2020, as Appl. No. 17/5,117.
Application 17/005,117 is a continuation of application No. 15/855,291, filed on Dec. 27, 2017, granted, now 10,767,017.
Claims priority of application No. JP2016-257012 (JP), filed on Dec. 28, 2016.
Prior Publication US 2020/0392292 A1, Dec. 17, 2020
Int. Cl. C08G 77/42 (2006.01); C08G 77/18 (2006.01); C09D 183/06 (2006.01); C08G 77/08 (2006.01); C08L 83/10 (2006.01); C08L 83/16 (2006.01); C08L 83/14 (2006.01); C08G 77/60 (2006.01); C07F 7/21 (2006.01); C09D 183/04 (2006.01); C09D 183/10 (2006.01); C08G 77/04 (2006.01); C08G 77/06 (2006.01)
CPC C08G 77/18 (2013.01) [C08G 77/08 (2013.01); C08G 77/42 (2013.01); C08G 77/60 (2013.01); C08L 83/10 (2013.01); C08L 83/14 (2013.01); C08L 83/16 (2013.01); C09D 183/06 (2013.01); C07F 7/21 (2013.01); C08G 77/04 (2013.01); C08G 77/06 (2013.01); C09D 183/04 (2013.01); C09D 183/10 (2013.01)] 9 Claims
 
1. A resin composition comprising a silicon-containing resin component and a solvent, wherein:
the silicon-containing resin component comprises (I):
(I) a polysilane-polysiloxane resin having a polysilane structure (I-1) and a polysiloxane structure (I-2),
the solvent comprises at least one solvent selected from the group consisting of a terpene compound having at least one group selected from the group consisting of a hydroxy group and an acetoxy group, and a cyclic skeleton-containing acetate compound (excluding the terpene compound),
wherein the polysiloxane structure (I-2) comprises a hydrolyzed and condensed structure of silicon compounds selected from the group consisting of silicon compounds represented by the following general formulas (A-1-1) to (A-1-4):
R1R2R3SiX1  (A-1-1)
R4R5SiX22  (A-1-2)
R6SiX33  (A-1-3)
SiX44  (A-1-4)
wherein X1 to X4 are each independently a hydrolyzable group, and wherein R1, R2, R3, R4, R5, and R6 are each independently a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, a cycloalkyl group having 5 to 8 carbon atoms, or an aryl group having 6 to 10 carbon atoms, and hydrogen atoms in the alkyl group having 1 to 10 carbon atoms, the cycloalkyl group having 5 to 8 carbon atoms, or the aryl group having 6 to 10 carbon atoms may be substituted with a halogen atom,
wherein the polysilane structure (I-1) comprises a structure corresponding to a polysilane compound represented by the following general formula (A-2-1):
(R7R8R9Si)a1(R10R11Si)a2(R12Si)a3(Si)a4  (A-2-1)
wherein R7, R8, R9, R10, R11 and R12 are each independently a hydrogen atom, a hydroxyl group, an alkyl group having 1 to 10 carbon atoms, a cycloalkyl group having 5 to 8 carbon atoms, or an aryl group having 6 to 10 carbon atoms, and a1, a2, a3 and a4 are each independently a molar fraction, a1+a2+a3+a4=1, 0≤a1<1, 0≤a2<1, 0≤a3<1 and 0≤a4<1,
wherein (I) the polysilane-polysiloxane resin comprises at least one selected from the group consisting of a structure represented by the following general formulas (H1), (H2) and (H3):

OG Complex Work Unit Chemistry
wherein in the general formulas (H1) and (H2), A1 each independently represents one or more polysiloxane structural units selected from the group consisting of structures represented by any one of general formulas (A1-a) to (A1-d) shown below, and also includes at least one structure represented by the general formula (A1-a),
wherein in the general formulas (H3), A1, -A2O—, —OA2-, and Psi are the same as defined in the general formula (H1), and
-A2O— each independently represents one or more linking group units which is any one of the structures represented by the general formula (A2) shown below, in the general formulas (H1), —OA2- represents an —OSi— structural unit in which the order of bonding a main chain —SiO— in the general formula (A2) shown below is reversed, Psi represents a polysilane structural unit (I-1) comprising a polysilane structure having 3 to 40 Si atoms, in the general formulas (H1), (H2) and (H3), a bond linking each structural unit represents one or more bonds:

OG Complex Work Unit Chemistry
wherein in the general formulas (A1) and (A2), R2, R3, R4, R5, and R6 are each independently a hydrogen atom, an alkyl group having 1 to 10 carbon atoms, a cycloalkyl group having 5 to 8 carbon atoms, or an aryl group having 6 to 10 carbon atoms, and hydrogen atoms in the alkyl group having 1 to 10 carbon atoms, the cycloalkyl group having 5 to 8 carbon atoms, or the aryl group having 6 to 10 carbon atoms may be substituted with a halogen atom.