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US 2019/0194482 A1Published application
White pigment composition, dried object thereof, coating method, coated matter, ink jet recording method, recorded matter, and ink jet printer
AssigneeSeiko Epson Corporation
InventorsSoichi YAMAZAKI, Kotaro IDEGAMI
Life of this patent
Estimating the term…
Abstract
An ink composition includes core shell titanium oxide particles that each have a core particle and a shell layer covering a surface of the core particle and formed of titanium oxide, and have an average particle diameter of 50 nm or more and 5000 nm or less, silicon oxide particles that have an average particle diameter of 3 nm or more and 100 nm or less, and a resin.
Claims20
A white pigment composition comprising:
- core shell titanium oxide particles that each have a core particle and a shell layer covering a surface of the core particle and formed of titanium oxide, and have an average particle diameter of 50 nm or more and 5000 nm or less;
- silicon oxide particles that have an average particle diameter of 3 nm or more and 100 nm or less;
- and
- a resin.
1 more element
A white pigment composition comprising:
- titanium oxide particles having an average particle diameter of 15 nm or more and 100 nm or less;
- silicon oxide particles having an average particle diameter of 3 nm or more and 100 nm or less;
- and
- a resin,
- wherein, when a coating medium is coated with the white pigment composition to form predetermined coated matter, Expression (2) is satisfied.
- L1*/L2*≥1.10 (2)
- L1*:
- Brightness (L* value) after drying the coated matter at 160° C.
- L2*:
- Brightness (L* value) after drying the coated matter at a room temperature
7 more elements
A white pigment composition comprising:
- titanium oxide particles having an average particle diameter of 15 nm or more and 100 nm or less;
- silicon oxide particles having an average particle diameter of 3 nm or more and 100 nm or less;
- and
- a resin,
- wherein, when the white pigment composition is put into a container having a columnar internal shape and is centrifuged at a centrifugal force of 100 G for 10 hours, there is no sediment in which a ratio of a thickness to a height of the entire white pigment composition is 0.025 or more.
2 more elements
Dependencies are inferred from the claim text.