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US 12,723,158 B2Granted
Pigment and method for producing same, solution, metal hydroxyl amount evaluation method, and metal hydroxyl processing rate evaluation method
AssigneesSumitomo Osaka Cement Co., Ltd., Kyoto University
InventorsKazuo Tanaka, Masayuki Gon, Yoshiki Chujo, Ryo Takeda, Tomomi Ito, Kenji Harada
Life of this patent
Estimating the term…
Abstract
A pigment of the present invention is a compound represented by General Formula (1) or General Formula (2) (in the above-described formulae, M is Sn or Ge, X is C or N, R1 is an alkyl group or a phenyl group, Y1 and Y2 are each hydrogen, a halogen group, a methyl group, an alkoxy group, a phenyl group, a diphenylamide group, a thiophenyl group, or a phenylethynyl group, and Z is a single bond or represented by Formula (3), where R2 is an alkyl group or a phenyl group).
Claims12
A metal hydroxyl amount evaluation method comprising:
- a step of preparing a solution and a sample;
- a step of evaluating a color x of the solution;
- a step of adding the sample to the solution to prepare a mixed solution A and evaluating a color a of the mixed solution A;
- and
- a step of evaluating a difference between the color x and the color a and evaluating a metal hydroxyl amount of the sample from an evaluation result obtained, wherein
- the solution comprises:
- a pigment that is a compound represented by General Formula (1) or General Formula (2);
- and
- an organic solvent, wherein a concentration of the pigment is 1×10−10 mol/L or more and 1 mol/L or less,
- in Formula (1), M is Sn or Ge, X is C or N, R1 is an alkyl group or a phenyl group, Y1 and Y2 are each hydrogen, a halogen group, a methyl group, an alkoxy group, a phenyl group, a diphenylamide group, a thiophenyl group, or a phenylethynyl group, and Z is a single bond or represented by Formula (3);
- in Formula (2), X is C or N, Y1 and Y2 are each hydrogen, a halogen group, a methyl group, an alkoxy group, a phenyl group, a diphenylamide group, a thiophenyl group, or a phenylethynyl group, and Z is a single bond or represented by Formula (3);
- and
- in Formula (3), R2 is an alkyl group or a phenyl group.
10 more elements
A metal hydroxyl amount evaluation method comprising:
- a step of preparing a solution, a sample 1, and a sample 2;
- a step of adding the sample 1 to the solution to prepare a mixed solution A and evaluating a color a of the mixed solution A;
- a step of adding the sample 2 to the solution to prepare a mixed solution B and evaluating a color b of the mixed solution B;
- and
- a step of evaluating a difference between the obtained color a and the obtained color b and evaluating a difference between a metal hydroxyl amount a of the sample 1 and a metal hydroxyl amount b of the sample 2 from an evaluation result obtained, wherein
- the solution comprises:
- a pigment that is a compound represented by General Formula (1) or General Formula (2);
- and
- an organic solvent, wherein a concentration of the pigment is 1×10−10 mol/L or more and 1 mol/L or less,
- in Formula (1), M is Sn or Ge, X is C or N, R1 is an alkyl group or a phenyl group, Y1 and Y2 are each hydrogen, a halogen group, a methyl group, an alkoxy group, a phenyl group, a diphenylamide group, a thiophenyl group, or a phenylethynyl group, and Z is a single bond or represented by Formula (3);
- in Formula (2), X is C or N, Y1 and Y2 are each hydrogen, a halogen group, a methyl group, an alkoxy group, a phenyl group, a diphenylamide group, a thiophenyl group, or a phenylethynyl group, and Z is a single bond or represented by Formula (3);
- and
- in Formula (3), R2 is an alkyl group or a phenyl group.
10 more elements
A metal hydroxyl amount evaluation method comprising:
- a step of preparing a solution, a sample 1, and a sample 2;
- a step of evaluating a color x of the solution;
- a step of adding the sample 1 to the solution to prepare a mixed solution A and evaluating a color a1 of the mixed solution A;
- a step of adding the sample 2 to the solution to prepare a mixed solution B and evaluating a color b1 of the mixed solution B;
- a step of evaluating a difference between the color x and the color a1 obtained, and evaluating a metal hydroxyl amount a of the sample 1 from an evaluation result obtained;
- a step of evaluating a difference between the color x and the color b1 obtained, and evaluating a metal hydroxyl amount b of the sample 2 from an evaluation result obtained;
- and
- a step of evaluating a difference between the metal hydroxyl amount a and the metal hydroxyl amount b, wherein
- the solution comprises:
- a pigment that is a compound represented by General Formula (1) or General Formula (2);
- and
- an organic solvent, wherein a concentration of the pigment is 1×10−10 mol/L or more and 1 mol/L or less,
- in Formula (1), M is Sn or Ge, X is C or N, R1 is an alkyl group or a phenyl group, Y1 and Y2 are each hydrogen, a halogen group, a methyl group, an alkoxy group, a phenyl group, a diphenylamide group, a thiophenyl group, or a phenylethynyl group, and Z is a single bond or represented by Formula (3);
- in Formula (2), X is C or N, Y1 and Y2 are each hydrogen, a halogen group, a methyl group, an alkoxy group, a phenyl group, a diphenylamide group, a thiophenyl group, or a phenylethynyl group, and Z is a single bond or represented by Formula (3);
- and
- in Formula (3), R2 is an alkyl group or a phenyl group.
13 more elements
A metal hydroxyl treatment proportion evaluation method for a surface of a metal oxide particle in a case where a surface treatment is performed with a surface treatment agent on the metal oxide particle, the metal hydroxyl treatment proportion evaluation method comprising:
- a step of preparing a solution, a metal oxide particle 1 before the surface treatment, and a metal oxide particle 2 after the surface treatment is performed on the metal oxide particle 1;
- a step of measuring an absorbance x of the solution;
- a step of adding the metal oxide particle 1 before the surface treatment to the solution to prepare a mixed solution A and measuring an absorbance a1 of the mixed solution A;
- a step of adding the metal oxide particle 2 after the surface treatment to the solution to prepare a mixed solution B and measuring an absorbance b1 of the mixed solution B;
- a step of calculating a reduction proportion a2 of the absorbance of the mixed solution A by subtracting the absorbance a1 from the absorbance x to obtain a value and dividing the obtained value by the absorbance x ((x−a1)/x);
- a step of calculating a reduction proportion b2 of the absorbance of the mixed solution B by subtracting the absorbance b1 from the absorbance x to obtain a value and dividing the obtained value by the absorbance x ((x−b1)/x);
- a step of calculating an adsorption amount a3 (mol/g) of the pigment to the metal oxide particle 1 by multiplying the reduction proportion a2 of the absorbance by the number of moles of a pigment contained in the mixed solution A to obtain a value and dividing the obtained value by an addition amount of the metal oxide particle 1 to the solution A (a2×the number of moles of the pigment contained in the mixed solution A/the addition amount of the metal oxide particle 1 to the solution A);
- a step of calculating an adsorption amount b3 (mol/g) of the pigment to the metal oxide particle 2 by multiplying the reduction proportion b2 of the absorbance by the number of moles of the pigment contained in the mixed solution B to obtain a value and dividing the obtained value by an addition amount of the metal oxide particle 2 to the solution B (b2×the number of moles of the pigment contained in the mixed solution B/the addition amount of the metal oxide particle 2 to the solution B);
- and
- a step of calculating a metal hydroxyl treatment proportion obtained as a result of the surface treatment by dividing the adsorption amount b3 by the adsorption amount a3 to obtain a value, multiplying the obtained value by 100 to obtain a value, and subtracting the obtained value from 100 (100−((b3/a3)×100)), wherein
- the solution comprises:
- a pigment that is a compound represented by General Formula (1) or General Formula (2);
- and
- an organic solvent, wherein a concentration of the pigment is 1×10−10 mol/L or more and 1 mol/L or less,
- in Formula (1), M is Sn or Ge, X is C or N, R1 is an alkyl group or a phenyl group, Y1 and Y2 are each hydrogen, a halogen group, a methyl group, an alkoxy group, a phenyl group, a diphenylamide group, a thiophenyl group, or a phenylethynyl group, and Z is a single bond or represented by Formula (3);
- in Formula (2), X is C or N, Y1 and Y2 are each hydrogen, a halogen group, a methyl group, an alkoxy group, a phenyl group, a diphenylamide group, a thiophenyl group, or a phenylethynyl group, and Z is a single bond or represented by Formula (3);
- and
- in Formula (3), R2 is an alkyl group or a phenyl group.
15 more elements
A metal hydroxyl residual proportion evaluation method for a surface of a metal oxide particle in a case where a surface treatment is performed with a surface treatment agent on the metal oxide particle, the metal hydroxyl residual proportion evaluation method comprising:
- a step of preparing a solution, a metal oxide particle 1 before the surface treatment, and a metal oxide particle 2 after the surface treatment is performed on the metal oxide particle 1;
- a step of measuring an absorbance x of the solution;
- a step of adding the metal oxide particle 1 before the surface treatment to the solution to prepare a mixed solution A and measuring an absorbance a1 of the mixed solution A;
- a step of adding the metal oxide particle 2 after the surface treatment to the solution to prepare a mixed solution B and measuring an absorbance b1 of the mixed solution B;
- a step of calculating a reduction proportion a2 of the absorbance of the mixed solution A by subtracting the absorbance a1 from the absorbance x to obtain a value and dividing the obtained value by the absorbance x ((x−a1)/x);
- a step of calculating a reduction proportion b2 of the absorbance of the mixed solution B by subtracting the absorbance b1 from the absorbance x to obtain a value and dividing the obtained value by the absorbance x ((x−b1)/x);
- a step of calculating an adsorption amount a3 (mol/g) of the pigment to the metal oxide particle 1 by multiplying the reduction proportion a2 of the absorbance by the number of moles of a pigment contained in the mixed solution A to obtain a value and dividing the obtained value by an addition amount of the metal oxide particle 1 to the solution A ((a2×the number of moles of the pigment contained in the mixed solution A)/the addition amount of the metal oxide particle 1 to the solution A);
- a step of calculating an adsorption amount b3 (mol/g) of the pigment to the metal oxide particle 2 by multiplying the reduction proportion b2 of the absorbance by the number of moles of the pigment contained in the mixed solution B to obtain a value and dividing the obtained value by an addition amount of the metal oxide particle 2 to the solution B ((b2×the number of moles of the pigment contained in the mixed solution B)/the addition amount of the metal oxide particle 2 to the solution B);
- and
- a step of calculating a metal hydroxyl residual proportion to be obtained as a result of the surface treatment by dividing the adsorption amount b3 by the adsorption amount a3 to obtain a value and multiplying the obtained value by 100 ((b3/a3)×100), wherein
- the solution comprises:
- a pigment that is a compound represented by General Formula (1) or General Formula (2);
- and
- an organic solvent, wherein a concentration of the pigment is 1×10−10 mol/L or more and 1 mol/L or less,
- in Formula (1), Mis Sn or Ge, X is C or N, R1 is an alkyl group or a phenyl group, Y1 and Y2 are each hydrogen, a halogen group, a methyl group, an alkoxy group, a phenyl group, a diphenylamide group, a thiophenyl group, or a phenylethynyl group, and Z is a single bond or represented by Formula (3);
- in Formula (2), X is C or N, Y1 and Y2 are each hydrogen, a halogen group, a methyl group, an alkoxy group, a phenyl group, a diphenylamide group, a thiophenyl group, or a phenylethynyl group, and Z is a single bond or represented by Formula (3);
- and
- in Formula (3), R2 is an alkyl group or a phenyl group.
15 more elements
Dependencies are inferred from the claim text.