Curable liquid composition, cured film, and antistatic laminate
To provide a curable liquid composition excelling in storage stability and curability and capable of forming a coat (film) which excels in antistatic properties, hardness, scratch resistance, and transparency on the surface of various substrates, a cured film of the composition, and an antistatic laminate. A curable liquid composition comprising (A) particles including an oxide of at least one element selected from the group consisting of indium, antimony, zinc, and tin as a major component, (B) a compound having at least two polymerizable unsaturated groups in the molecule, (C) a solvent in which solubility of the component (B) is less than 10 wt %, and (D) a solvent in which solubility of the component (B) is 10 wt % or more, the components (A) and (B) being uniformly dispersed or dissolved in the composition.
1 . A curable liquid composition comprising:
(A) particles including an oxide of at least one element selected from the group consisting of indium, antimony, zinc, and tin as a major component,
(B) a compound having at least two polymerizable unsaturated groups in the molecule,
(C) a solvent in which solubility of the component (B) is less than 10 wt %, and
(D) a solvent in which solubility of the component (B) is 10 wt % or more, the components (A) and (B) being uniformly dispersed or dissolved in the composition.
2 . The curable liquid composition according to claim 1 , further comprising (E) a photoinitiator.
3 . The curable liquid composition according to claim 1 , wherein the component (A) is particles including either antimony-doped tin oxide (ATO) or tin-doped indium oxide (ITO) as a major component.
4 . The curable liquid composition according to claim 1 , wherein the component (A) is oxide particles surface-treated by using a surface treatment agent.
5 . The curable liquid composition according to claim 4 , wherein the surface treatment agent is a compound including at least two polymerizable unsaturated groups, a group shown by the following formula (1),
—X—C(═Y)—NH— (1)
wherein X represents NH, O (oxygen atom), or S (sulfur atom), and Y represents O or S, and a silanol group or a group which forms a silanol group by hydrolysis.
6 . The curable liquid composition according to claim 5 , wherein the group shown by the formula (1) is at least one group selected from the group consisting of —O—C(═O)—NH—, —O—C(═S)—NH—, and —S—C(═O)—NH—.
7 . The curable liquid composition according to claim 1 , wherein the component (C) is water, the content of water in the total solvent in the composition being 0.1-50 wt %.
8 . The curable liquid composition according to claim 1 , wherein the component (C) is an organic solvent, the content of the organic solvent in the total solvent in the composition being 5-95 wt %.
9 . The curable liquid composition according to claim 1 , wherein the solid content of the composition is at least 50%.
10 . A cured film obtained by curing the curable liquid composition according to claim 1 , the cured film having surface resistivity of 1×10 12 Ω/ or less.
11 . A process for producing a cured film, comprising a step of curing the curable liquid composition according to claim 1 by applying radiation to the composition.
12 . An antistatic laminate comprising a layer of a cured film obtained by curing the curable liquid composition according to claim 1 .
13 . The antistatic laminate according to claim 11 , wherein the thickness of the layer of the cured film is 0.1-20 □m.