Intermediate transfer body, method for manufacturing intermediate transfer body, and image forming device
An intermediate transfer body used in an electrophotographic image forming device includes: at least a substrate layer and a surface layer, wherein the surface layer is formed by a cured product obtained by curing a coating liquid containing a curable compound, an inorganic filler, and a fluorine-based surfactant having a reactive group, and the surface layer has a pure water contact angle of 75° or more and 90° or less.
1. An intermediate transfer body used in an electrophotographic image forming device, comprising
at least a substrate layer and a surface layer, wherein
the surface layer is formed by a cured product obtained by curing a coating liquid containing a curable compound, an inorganic filler, and a fluorine-based surfactant having a reactive group,
the surface layer has a pure water contact angle of 75° or more and 90° or less,
the curable compound contains a curable compound having a (meth)acryloyl group, and
the fluorine-based surfactant having a reactive group has a (meth)acryloyl group.
2. The intermediate transfer body according to claim 1 , wherein the surface layer has a pure water contact angle of 75° or more and 85° or less.
3. The intermediate transfer body according to claim 1 , wherein the coating liquid contains the fluorine-based surfactant having a reactive group in an amount of 0.01 parts by volume or more and 0.20 parts by volume or less with respect to the sum of the curable compound and the fluorine-based surfactant.
4. The intermediate transfer body according to claim 1 , wherein the coating liquid contains the fluorine-based surfactant having a reactive group in an amount of 0.01 parts by volume or more and 0.10 parts by volume or less with respect to the sum of the curable compound and the fluorine-based surfactant.
5. The intermediate transfer body according to claim 1 , wherein the inorganic filler is formed by metal oxide fine particles.
6. The intermediate transfer body according to claim 5 , wherein the metal oxide fine particles have surfaces surface-modified with a reactive group having a structure represented by the following general formula (1):
[Chemical formula 1]
CH 2 ═C(R 1 )COO(CH 2 ) n Si— (1)
where R 1 represents a hydrogen atom or a methyl group, and n represents an integer of 3 to 6.
7. The intermediate transfer body according to claim 1 , wherein
the curable compound contains a polyfunctional monomer having three or more (meth)acryloyl groups, and
the polyfunctional monomer has a (meth)acryloyl group equivalent of 150 g/eq or more and 250 g/eq or less.
8. The intermediate transfer body according to claim 1 , wherein
the curable compound contains a monofunctional monomer represented by the following general formula (2):
[Chemical formula 2]
CH 2 ═O(R 2 )COO(CH 2 ) m CH 3 (2)
where R 2 represents a hydrogen atom or a methyl group, and m represents an integer of 14 to 20.
9. The intermediate transfer body according to claim 8 , wherein the coating liquid contains the monofunctional monomer represented by the general formula (2) in an amount of 5 parts by volume or more and 20 parts by volume or less with respect to 100 parts by volume of the sum of the curable compound and the inorganic filler.
10. The intermediate transfer body according to claim 1 , wherein the coating liquid contains the inorganic filler in an amount of 10 parts by volume or more and 30 parts by volume or less with respect to 100 parts by volume of the sum of the curable compound and the inorganic filler.
11. A method for manufacturing the intermediate transfer body according to claim 1 , comprising
applying a surface layer forming coating liquid to an outer peripheral surface of a substrate layer while rotating the substrate layer using a nozzle to form the surface layer, wherein
the surface layer forming coating liquid contains the curable compound, the inorganic filler, and the fluorine-based surfactant having a reactive group.
12. An image forming device comprising the intermediate transfer body according to claim 1 .
13. An intermediate transfer body used in an electrophotographic image forming device, comprising
at least a substrate layer and a surface layer, wherein
the surface layer is formed by a cured product obtained by curing a coating liquid containing a curable compound, an inorganic filler, and a fluorine-based surfactant having a reactive group, the surface layer has a pure water contact angle of 75° or more and 90° or less,
the inorganic filler is formed by metal oxide fine particles, and
the metal oxide fine particles have surfaces surface-modified with a reactive organic group.