Abstract: To provide an emulsion polymerized agglomerated toner for electrostatic charge image which is excellent in the fixing property even at a high temperature without deteriorating other properties and which does not emit an odor offensive to people, and a process for its production. An emulsion polymerized agglomerated toner characterized in that the odor index of aliphatic aldehydes measured by gas chromatography is at most 300, and an emulsion polymerized agglomerated toner which is an emulsion polymerized agglomerated toner obtainable via a polymerization step, a flocculation step and an aging step, characterized in that an emulsion polymerized latex before the flocculation step is a latex having a peroxide value of at most 30.

Abstract: To provide an emulsion polymerized agglomerated toner for electrostatic charge image which is excellent in the fixing property even at a high temperature without deteriorating other properties and which does not emit an odor offensive to people, and a process for its production. An emulsion polymerized agglomerated toner characterized in that the odor index of aliphatic aldehydes measured by gas chromatography is at most 300, and an emulsion polymerized agglomerated toner which is an emulsion polymerized agglomerated toner obtainable via a polymerization step, a flocculation step and an aging step, characterized in that an emulsion polymerized latex before the flocculation step is a latex having a peroxide value of at most 30.

Abstract: A toner for developing an electrostatic charge image, comprising particles containing a binder resin and a colorant, characterized in that the particles contain a fixing aid having a melting point of from to 30 to 100° C. and a surface tension of at least 39 mN/m, and the fixing aid is present with an average particle diameter of at most 1 ?m in the particles, which toner can realize low-temperature fixing with a wide fixing temperature range, is excellent in fixing strength, presents little soiling onto a photoreceptor and is free from soiling in the interior of the apparatus due to electrostatic deterioration, can realize low temperature-fixing even in the case of forming a full-color image and yet, is excellent in fixing strength, provides good surface smoothness during fixing and good transparency, and provides high mechanical durability even when used in non-magnetic one component development systems.

Abstract: To provide an emulsion polymerized agglomerated toner for electrostatic charge image which is excellent in the fixing property even at a high temperature without deteriorating other properties and which does not emit an odor offensive to people, and a process for its production. An emulsion polymerized agglomerated toner characterized in that the odor index of aliphatic aldehydes measured by gas chromatography is at most 300, and an emulsion polymerized agglomerated toner which is an emulsion polymerized agglomerated toner obtainable via a polymerization step, a flocculation step and an aging step, characterized in that an emulsion polymerized latex before the flocculation step is a latex having a peroxide value of at most 30.

Abstract: To provide a toner for developing an electrostatic charge image, that can realize low-temperature fixing with a wide fixing temperature range and is excellent in fixing strength and that presents little soiling such as filming onto a photoreceptor and is free from soiling in the interior of the apparatus due to deterioration in the electrostatic property. Further, to provide a toner for developing an electrostatic charge image, that can realize low temperature-fixing even in the case of forming a full-color image and yet, is excellent in fixing strength and that provides good surface smoothness during the fixing and provides good transparency. Further, to provide a toner for developing an electrostatic charge image, which provides high mechanical durability even when it is used in e.g. a non-magnetic one component development system.

Abstract: A toner is provided for the development of an electrostatic image which includes an agglomerate of particles obtained by agglomerating at least primary polymer particles and primary colorant particles, wherein the toner has a THF insoluble content of from 15% to 80% and the toner further includes a wax having a melting point of 30 to 100° C., and the method for producing the same.

Abstract: A process for producing a toner for developing electrostatic image is described, which involves an agglomerate step wherein a dispersion liquid containing at least primary polymer particles and colorant particles is stirred in a stirring tank to agglomerate the particles to thereby obtain agglomerate of the particles and an aging step wherein the resultant agglomerate of the particles is kept at a temperature higher than the glass transition temperature (Tg) of the primary polymer particles by 10° C. or more for a predetermined period of time to thereby fuse the particles, which process is characterized in that the concentration of solid content (C1) in the agglomerate step is 10 to 40% by weight, and that the concentration of the solid content (C2) in the aging step is in the range of 0.3C1≦C2≦0.8C1.

Abstract: A toner is provided for the development of an electrostatic image which includes an agglomerate of particles obtained by agglomerating at least primary polymer particles and primary colorant particles, wherein the toner has a THF insoluble content of from 15% to 80% and the toner further includes a wax having a melting point of 30 to 100° C., and the method for producing the same.

Abstract: A process for producing a toner for developing electrostatic image is described, which involves an agglomerate step wherein a dispersion liquid containing at least primary polymer particles and colorant particles is stirred in a stirring tank to agglomerate the particles to thereby obtain agglomerate of the particles and an aging step wherein the resultant agglomerate of the particles is kept at a temperature higher than the glass transition temperature (Tg) of the primary polymer particles by 10° C. or more for a predetermined period of time to thereby fuse the particles, which process is characterized in that the concentration of solid content (C1) in the agglomerate step is 10 to 40% by weight, and that the concentration of the solid content (C2) in the aging step is in the range of 0.3C1 <C2 <0.8C1.

Abstract: A toner is provided for the development of an electrostatic image which includes an agglomerate of particles obtained by agglomerating at least primary polymer particles and primary colorant particles, wherein the toner has a THF insoluble contentof from 15% to 80% and the toner further includes a wax having a melting point of 30 to 100° C., and the method for producing the same.

Abstract: An optical recording medium comprising a substrate and a recording layer formed thereon for information to be written in and/or to be read out, wherein said dye-incorporated composition comprising a cyanine type dye and an azo metal chelate compound comprising an azo type compound of the following formula (I) ##STR1## (wherein A is a residue forming a hetoro ring together with the carbon atom and the nitrogen atom to which it is bonded, B is a residue forming an aromatic ring or a hetoro ring together with the two carbon atoms to which it is bonded, and X is a group having an active hydrogen), and a metal.

Abstract: A dye-incorporated composition which comprises a cyanine type dye and an azo metal chelate compound comprising an azo type compound of the following formula (I): ##STR1## (wherein A is a residue forming a hetero ring together with the carbon atom and the nitrogen atom to which it is bonded, B is a residue forming an aromatic ring or a hetero ring together with the two carbon atoms to which it is bonded, and X is a group having an active hydrogen), and a metal, and an optical recording medium comprising a recording layer which contains the dye-incorporated composition.

Abstract: A photochromic material to be used for a photosensitive arrangement such as photosensitive laminated glass. The photochromic material is formed of a high polymer substrate material containing photochromic spirooxazine compound as expressed by the following general formula: ##STR1## where R.sup.1, R.sup.2 and R.sup.3 are at least one selected from the group consisting of alkyl group, alkenyl group, cycloalkyl group and aryl group; R.sup.4 is one selected from the group consisting of hydrogen atom and alkyl group having the number of carbon atoms ranging from 1 to 5; rings X and Y are at least one selected from the group consisting of hydrocarbon aromatic ring and heterocyclic aromatic ring; and Z is one selected from the group consisting of oxygen atom and sulfur atom. Additionally, a triplet state quencher such as nitroxy free radical is contained in the high polymer substrate material, thereby suppressing generation of deterioration substance due to irreversible reaction of spirooxazine molecules.