Ink composition , writing tool and method for producing ink composition
AssigneePentel Kabushiki Kaisha
InventorsKatsuji ARISAWA, Yoshitaka MORIMOTO, Hirohisa SUZUKI, Hiroyuki SAITOU
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Abstract
The ink composition contains titanium oxide particles having an average particle size of 0.1 μm or more and 0.4 μm or less, hollow resin particles having an average particle size of 1.0 μm or more and 2.0 μm or less, a polysaccharide and water, wherein the titanium oxide particles and the hollow resin particles are negatively charged.
Claims14
An ink composition comprising:
- titanium oxide particles having an average particle size of 0.1 μm or more and 0.4 μm or less;
- hollow resin particles having an average particle size of 1.0 μm or more and 2.0 μm or less;
- a polysaccharide;
- and
- water;
- wherein
- the titanium oxide particles and the hollow resin particles are negatively charged.
A method for producing an ink composition, comprising a step of dispersing, in water, titanium oxide particles having an average particle size of 0.1 μm or more and 0.4 μm or less, hollow resin particles having an average particle size of 1.0 μm or more and 2.0 μm or less and a polysaccharide.
Dependencies are inferred from the claim text.