WO2014200053A1 - 感温変色性色彩記憶性組成物及びそれを内包した感温変色性色彩記憶性マイクロカプセル顔料 - Google Patents
感温変色性色彩記憶性組成物及びそれを内包した感温変色性色彩記憶性マイクロカプセル顔料 Download PDFInfo
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- WO2014200053A1 WO2014200053A1 PCT/JP2014/065570 JP2014065570W WO2014200053A1 WO 2014200053 A1 WO2014200053 A1 WO 2014200053A1 JP 2014065570 W JP2014065570 W JP 2014065570W WO 2014200053 A1 WO2014200053 A1 WO 2014200053A1
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/50—Sympathetic, colour changing or similar inks
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
- B41M5/305—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers with reversible electron-donor electron-acceptor compositions
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
- B41M5/337—Additives; Binders
- B41M5/3375—Non-macromolecular compounds
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K7/00—Ball-point pens
- B43K7/005—Pen barrels
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K8/00—Pens with writing-points other than nibs or balls
- B43K8/02—Pens with writing-points other than nibs or balls with writing-points comprising fibres, felt, or similar porous or capillary material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43L—ARTICLES FOR WRITING OR DRAWING UPON; WRITING OR DRAWING AIDS; ACCESSORIES FOR WRITING OR DRAWING
- B43L19/00—Erasers, rubbers, or erasing devices; Holders therefor
- B43L19/0025—Eraser or rubber material, e.g. comprising hard particles
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B11/00—Diaryl- or thriarylmethane dyes
- C09B11/04—Diaryl- or thriarylmethane dyes derived from triarylmethanes, i.e. central C-atom is substituted by amino, cyano, alkyl
- C09B11/10—Amino derivatives of triarylmethanes
- C09B11/24—Phthaleins containing amino groups ; Phthalanes; Fluoranes; Phthalides; Rhodamine dyes; Phthaleins having heterocyclic aryl rings; Lactone or lactame forms of triarylmethane dyes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0071—Process features in the making of dyestuff preparations; Dehydrating agents; Dispersing agents; Dustfree compositions
- C09B67/0084—Dispersions of dyes
- C09B67/0085—Non common dispersing agents
- C09B67/009—Non common dispersing agents polymeric dispersing agent
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0097—Dye preparations of special physical nature; Tablets, films, extrusion, microcapsules, sheets, pads, bags with dyes
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/16—Writing inks
- C09D11/17—Writing inks characterised by colouring agents
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/16—Writing inks
- C09D11/18—Writing inks specially adapted for ball-point writing instruments
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09K—MATERIALS FOR MISCELLANEOUS APPLICATIONS, NOT PROVIDED FOR ELSEWHERE
- C09K9/00—Tenebrescent materials, i.e. materials for which the range of wavelengths for energy absorption is changed as a result of excitation by some form of energy
- C09K9/02—Organic tenebrescent materials
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B41—PRINTING; LINING MACHINES; TYPEWRITERS; STAMPS
- B41M—PRINTING, DUPLICATING, MARKING, OR COPYING PROCESSES; COLOUR PRINTING
- B41M5/00—Duplicating or marking methods; Sheet materials for use therein
- B41M5/26—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used
- B41M5/30—Thermography ; Marking by high energetic means, e.g. laser otherwise than by burning, and characterised by the material used using chemical colour formers
- B41M5/323—Organic colour formers, e.g. leuco dyes
- B41M5/327—Organic colour formers, e.g. leuco dyes with a lactone or lactam ring
- B41M5/3275—Fluoran compounds
Definitions
- the present invention relates to a thermochromic color memory composition and a thermochromic color memory microcapsule pigment containing the same. More specifically, it exhibits a reversible discoloration of color development and decoloration with a large hysteresis characteristic due to temperature change, and even after the application of heat or cold heat required for discoloration is removed, either the colored state or the decolored state.
- the present invention relates to a temperature-sensitive color-changing color memory composition that holds the color in a reversible and reversible manner, and a temperature-sensitive color-changing color memory microcapsule pigment containing the same.
- the applicant has previously proposed this type of temperature-sensitive color-changing color memory material (see, for example, Patent Documents 1 to 3).
- the temperature-sensitive color-change color memory material changes color before and after the color change temperature as in the case of the conventional reversible thermo-color change material, and only one specific state exists in the normal temperature range of both the states before and after the color change. However, the other state is maintained while the heat or cold heat necessary for the state to be developed is applied, and when the heat or cold heat is no longer applied, the color changes compared with the type that returns to the state exhibited at room temperature.
- Either the color on the low temperature side or the color on the high temperature side can be selectively held in the normal temperature range, and can be held interchangeably by applying heat or cold as needed, and temperature sensitive recording. It is applied to various fields such as materials, toys, decoration, and printing.
- This kind of color memory effect is manifested only in a system in which a specific compound is applied as a constituent component among compounds selected from esters, ketones, ethers and the like that control the color reaction.
- the present invention pursues a compound as a reaction medium that exhibits the color memory effect, increases the degree of freedom of selection of the reaction medium, and further increases the utilization of this type of temperature-sensitive color-changing color memory material. It is the purpose.
- the present inventor when a compound having a specific structure is applied as a reaction medium for a color reaction, exhibits a thermal discoloration characteristic having a large hysteresis width (hereinafter referred to as ⁇ H) and exhibits an effective color memory effect.
- ⁇ H thermal discoloration characteristic having a large hysteresis width
- the present invention comprises (a) a component comprising an electron donating color-forming organic compound, (b) a component comprising an electron accepting compound, and (c) an ester compound represented by the following formula (1), It relates to a temperature-sensitive color-changing color memory composition comprising a reaction medium for controlling the color reaction of a) and (b) (hereinafter referred to as “component a” and “component b”, depending on the case). And “component c”).
- R represents any of an alkyl group having 4 to 22 carbon atoms, a cycloalkylalkyl group having 5 to 12 carbon atoms, a cycloalkyl group having 4 to 8 carbon atoms, or an alkenyl group having 4 to 22 carbon atoms.
- X represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a halogen atom, and n represents 0 or 1.
- the present invention also relates to a thermosensitive color-changing color memory microcapsule pigment comprising the temperature-sensitive color-changing color memory composition.
- the present invention also relates to an ink composition comprising the temperature-sensitive color-changing color memory microcapsule pigment.
- the present invention also relates to a writing instrument comprising a shaft cylinder containing the ink composition and a pen body for deriving the ink composition in the shaft cylinder.
- the present invention also relates to a writing instrument set comprising the writing instrument and a friction body.
- thermosensitive color-changing color memory microcapsule pigment of the present invention causes reversible color change and decoloring, and exhibits a wide hysteresis width ( ⁇ H) with respect to the color density-temperature curve during this reversible color change. It is.
- This pigment can store both the low temperature side color and the high temperature side color reversibly, and reversibly reproduce any color by applying heat or cold as needed. Thus, the characteristics that can be stored and retained can be effectively expressed. Therefore, according to the present invention, a temperature-sensitive color-changing color memory composition having applicability in various fields such as temperature display, decoration, toys, or learning elements, and a temperature-sensitive color-changing color memory micro that includes the same Capsule pigments are provided.
- thermochromic color memory composition of the present invention and the thermochromic color memory microcapsule pigment using the same (reversible thermochromic composition having color memory and color memory using the same)
- thermochromic color memory microcapsule pigment using the same
- the hysteresis characteristics of the reversible thermochromic microcapsule pigment will be described based on the graph represented by the color density-temperature curve in FIG.
- the vertical axis represents color density and the horizontal axis represents temperature.
- the color density due to temperature change varies along the arrow.
- A is a point indicating a density at a temperature T 4 (hereinafter referred to as a complete color erasing temperature) reaching a complete color erasing state
- B is a temperature T 3 (hereinafter referred to as a color erasing start temperature) capable of maintaining a complete color development state.
- C is a point indicating a density at a temperature T 2 (hereinafter referred to as a color development start temperature) at which a completely decolored state can be maintained
- D is a temperature T 1 at which a complete color developed state is reached. This is a point indicating the density at (hereinafter referred to as a complete color development temperature).
- Discoloration temperature region is a temperature region between the T 1 and T 4, the temperature range is substantially discoloration temperature region between T 2 and T 3, i.e., a temperature that can hold any state of the colored state or decolored state It is an area.
- the temperature-sensitive color-changing color memory composition in a decolored state can be started to change to the colored state by cooling to a temperature not higher than the color development start temperature, and the temperature not higher than the complete color development temperature.
- the state can be maintained.
- thermochromic color memory composition in a colored state, it can be started to change to the decolored state by heating to a temperature equal to or higher than the decoloring start temperature, It can be brought into a completely decolored state by heating to a temperature equal to or higher than the complete decoloring temperature, and the state can be maintained unless the temperature of the thermochromic color memory composition is lowered to the color development start temperature. it can.
- the length of the line segment EF is a scale indicating the color change contrast
- the length of the line segment HG is a temperature width (hysteresis width) indicating the degree of hysteresis. It is easy to maintain the state.
- the ⁇ H value that can be maintained in each state before and after the color change is 8 ° C. or more, and specifically in the range of 8 ° C. to 80 ° C.
- ⁇ t which is the difference between T 4 and T 3 , or the difference between T 2 and T 1
- the complete decoloring temperature (T 4 ) is preferably 40 ° C. or higher, more preferably 50 ° C. or higher, and still more preferably 60
- the color development start temperature (T 2 ) is preferably 0 ° C. or lower, more preferably ⁇ 5 ° C. or lower, and further preferably ⁇ 10 ° C. or lower.
- component (a) comprising an electron donating color-forming organic compound having a lactone ring, which is contained in a thermochromic color-memory composition in a colored state and a decolored state, and an electron-accepting compound
- component (b) comprising an electron donating color-forming organic compound having a lactone ring
- thermochromic color-memory composition in a colored state and a decolored state
- electron-accepting compound The state of the component (b) comprising and the component (c) comprising the ester compound will be described.
- the components (a) and (b) contained in the temperature-sensitive color-changing color memory composition according to the present invention interact with each other, and the electron-donating color developability constituting the component (a).
- the lactone ring of the organic compound is opened, and at this time, the ester compound contained in the component (c) is in a crystallized state.
- the temperature of the temperature-sensitive color-changing color memory composition is set to be equal to or higher than the melting point of the ester compound contained in the component (c)
- the ester compound is melted.
- the reaction phase that was a solid phase changes to a liquid phase
- the compound constituting the component (a) and the compound constituting the component (b) are dissolved in the component (c).
- the interaction between the compound constituting a) and the compound constituting component (b) is blocked, the lactone ring of the compound constituting component (a) is closed, and the thermochromic color memory composition The object becomes decolored.
- thermochromic color-memory composition in the decolored state to a temperature not higher than the freezing point of the ester compound contained in the component (c)
- the solidification of the ester compound is started, and in the liquid phase
- the existing reaction phase changes to a solid phase. Therefore, the compounds constituting the component (a) and the component (b) are precipitated and interact with each other again, so that the lactone ring of the compound constituting the component (a) is cleaved, and the thermosensitive color-changing color memory.
- the composition becomes a colored state.
- each component may be a mixture of two or more.
- the microcapsule pigment according to the present invention may further contain an antioxidant, an ultraviolet absorber, an infrared absorber, a dissolution aid and the like as long as the function is not hindered.
- the component (a) of the present invention is a component that determines the color, and is composed of an electron-donating color-forming organic compound that donates electrons to the component (b) that is a developer and develops a color.
- Examples of the component (a) of the present invention that is, the electron-donating color-forming organic compound include phthalide compounds, fluoran compounds, styrinoquinoline compounds, diazarhodamine lactone compounds, pyridine compounds, quinazoline compounds, and bisquinazoline compounds. Of these, phthalide compounds and fluoran compounds are preferred.
- Examples of the phthalide compounds include diphenylmethane phthalide compounds, phenyl indolyl phthalide compounds, indolyl phthalide compounds, diphenyl methane azaphthalide compounds, phenyl indolyl azaphthalide compounds, and derivatives thereof. , Phenyl indolyl azaphthalide compounds, and derivatives thereof are preferred.
- Examples of the fluorane compound include aminofluorane compounds, alkoxyfluorane compounds, and derivatives thereof.
- Examples of the electron donating color-forming organic compound are shown below. 3,3-bis (p-dimethylaminophenyl) -6-dimethylaminophthalide, 3- (4-diethylaminophenyl) -3- (1-ethyl-2-methylindol-3-yl) phthalide, 3,3-bis (1-n-butyl-2-methylindol-3-yl) phthalide, 3,3-bis (2-ethoxy-4-diethylaminophenyl) -4-azaphthalide, 3- [2-ethoxy-4- (N-ethylanilino) phenyl] -3- (1-ethyl-2-methylindol-3-yl) -4-azaphthalide, 3,6-diphenylaminofluorane, 3,6-dimethoxyfluorane, 3,6-di-n-butoxyfluorane, 2-methyl-6- (N-ethyl-Np-tolylamino) fluoran
- the fluoranes include a substituent on the phenyl group forming the lactone ring as well as the phenyl group forming the xanthene ring (for example, Or a blue or black compound having an alkyl group such as a methyl group or a halogen atom such as a chloro group.
- Component (b) of the present invention comprises an electron-accepting compound that receives electrons from component (a) and functions as a developer of component (a).
- Examples of the electron-accepting compound of component (b) include compounds having active protons and derivatives thereof, and pseudo-acidic compounds (compounds that are not acids, but act as acids in the composition to cause component (a) to develop color. ), Compounds selected from a group of compounds having electron vacancies, etc., and among these, compounds selected from a group of compounds having active protons are preferred.
- Examples of compounds having active protons and derivatives thereof include compounds having phenolic hydroxyl groups and metal salts thereof, carboxylic acids and metal salts thereof, preferably aromatic carboxylic acids, aliphatic carboxylic acids having 2 to 5 carbon atoms and the like.
- effective thermochromic properties are mentioned.
- a compound having a phenolic hydroxyl group is preferable because it can be expressed.
- the compounds having a phenolic hydroxyl group widely include monophenol compounds to polyphenol compounds, and further include bis-type, tris-type phenols, and phenol-aldehyde condensation resins.
- compounds having a phenolic hydroxyl group those having at least two benzene rings or those having a bishydroxyphenyl sulfide structure are preferred.
- These compounds may have a substituent, and examples of the substituent include an alkyl group, an aryl group, an acyl group, an alkoxycarbonyl group, a carboxy group and an ester or amide group thereof, and a halogen group.
- the metal contained in the metal salt of the compound having an active proton include sodium, potassium, calcium, zinc, zirconium, aluminum, magnesium, nickel, cobalt, tin, copper, iron, vanadium, titanium, lead and molybdenum. Can be mentioned.
- Component (c) contains an ester compound, and functions as a reaction medium for reversibly causing the electron transfer reaction by components (a) and (b) described above in a specific temperature range.
- ester compound as the component (c)
- temperature-sensitive color-changing color memory compositions having various color-change temperatures can be obtained.
- the ester compound contained in the component (c) used in the present invention is a compound represented by the above formula (1), wherein R is an alkyl group having 4 to 22 carbon atoms and a cyclohexane having 5 to 12 carbon atoms.
- An alkylalkyl group, a cycloalkyl group having 4 to 8 carbon atoms, or an alkenyl group having 4 to 22 carbon atoms preferably an alkyl group having 7 to 18 carbon atoms, a cycloalkylalkyl group having 5 to 11 carbon atoms, carbon
- N in the formula represents 0 or 1, preferably 1.
- X in the formula represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a halogen atom, preferably a hydrogen atom or an alkyl group having 1 to 4 carbon atoms. And more preferably a hydrogen atom or an alkyl group having 1 or 2 carbon atoms.
- the formula (1) is a structure that satisfies the following formula (2) or formula (3).
- R is any one of an alkyl group having 4 to 22 carbon atoms, a cycloalkylalkyl group having 5 to 12 carbon atoms, a cycloalkyl group having 4 to 8 carbon atoms, and an alkenyl group having 4 to 22 carbon atoms, preferably It is any one of an alkyl group having 7 to 18 carbon atoms, a cycloalkylalkyl group having 5 to 11 carbon atoms, a cycloalkyl group having 5 to 8 carbon atoms, and an alkenyl group having 7 to 18 carbon atoms, and more preferably An alkyl group having 9 to 15 carbon atoms, a cycloalkyl alkyl group having 6 to 11 carbon atoms, a cycloalkyl group having 5 to 7 carbon atoms, and an alkenyl group having 9 to 15 carbon atoms
- X is a
- Or 2 indicates one of an alkyl group, n represents 0 or 1, preferably 1.
- R is any one of an alkyl group having 4 to 22 carbon atoms, a cycloalkylalkyl group having 5 to 12 carbon atoms, a cycloalkyl group having 4 to 8 carbon atoms, and an alkenyl group having 4 to 22 carbon atoms, preferably It is any one of an alkyl group having 7 to 18 carbon atoms, a cycloalkylalkyl group having 5 to 11 carbon atoms, a cycloalkyl group having 5 to 8 carbon atoms, and an alkenyl group having 7 to 18 carbon atoms, and more preferably An alkyl group having 9 to 15 carbon atoms, a cycloalkyl alkyl group having 6 to 11 carbon atoms, a cycloalkyl group having 5 to 7 carbon atoms, and an alkenyl group having 9 to 15 carbon atoms
- X is a hydrogen
- cycloalkylalkyl group examples include cyclobutylethyl group, cyclobutylpropyl group, cyclopentylmethyl group, cyclopentylethyl group, cyclopentylpropyl group, cyclohexylmethyl group, cyclohexylethyl group, cyclohexylpropyl group, cycloheptylmethyl group, cyclohexane.
- a heptylethyl group etc. are mentioned.
- ester compound represented by the formula (1) Specific examples of the ester compound represented by the formula (1) are shown below.
- the temperature-sensitive color-change color memory composition according to the present invention can achieve a wide hysteresis width that is at least as wide as a composition using a conventional ester compound. It has an excellent function of selectively maintaining either the low temperature side color or the high temperature side color, and is excellent in applicability to various applications.
- the component (c) may comprise two or more compounds satisfying the formula (1). Moreover, the said component (c) may further comprise conventionally well-known (c) components, such as other ester which does not satisfy
- the other esters, alcohols, carboxylic acids, ketones and amides change color before and after a predetermined temperature (discoloration point), decolored in a temperature range above the high temperature side discoloration point, and below the low temperature side discoloration point.
- the color development state is exhibited in the temperature range of the above, and only one specific state exists in the normal temperature range among the two states, and the other state is applied with heat or cold heat required to develop the state.
- the color density-temperature curve is large.
- esters examples include carboxylic acid ester compounds such as carboxylic acid ester compounds, esters of fatty acids and aliphatic alcohols, esters of fatty acids and alcohols or aromatic rings containing aromatic rings, and carboxylic acids having aromatic rings.
- examples include esters of alcohols having aromatic rings or phenols and esters of carboxylic acids having aromatic rings and aliphatic alcohols.
- the aromatic ring may have a substituent.
- the aliphatic alcohol and the fatty acid may have a branched chain and may form a cyclic structure.
- the carboxylic acid may have two or more carboxyl groups in the compound.
- the alcohol and phenol may have two or more hydroxyl groups in the compound.
- an ester obtained from a fatty acid having 8 or more carbon atoms and an aliphatic alcohol preferably a total number of carbon atoms obtained from an even fatty acid having 10 to 16 carbon atoms and n-pentyl alcohol or n-heptyl alcohol.
- esters obtained from fatty acids having 6 or more carbon atoms and unsubstituted aromatic alcohols or phenols, esters obtained from carboxylic acids containing aromatic rings and aliphatic alcohols having 10 or more carbon atoms, dicarboxylic acids and aromatics Esters obtained from aliphatic alcohols, branched aliphatic alcohols or straight chain aliphatic alcohols having 10 or more carbon atoms, and esters obtained from fatty acids having an even number of carbon atoms and odd aliphatic alcohols having 9 or more carbon atoms, Can be mentioned.
- esters include benzyl cinnamate, n-methylbenzyl stearate, n-pentadecyl acetate, n-tridecyl butyrate, n-pentadecyl butyrate, n-undecyl caproate, n-tridecyl caproate, caproic acid n-pentadecyl, n-nonyl caprylate, n-undecyl caprylate, n-tridecyl caprylate, n-pentadecyl caprylate, n-heptyl caprate, n-nonyl caprate, n-undecyl caprate, n-caprate Tridecyl, n-pentadecyl caprate, stearyl caprate, n-pentyl laurate, n-heptyl laurate, n-nonyl laurate, n-undec
- the component (c) may comprise an ester compound represented by the following general formula (10).
- R 10 represents a hydrogen atom or a methyl group, a represents an integer of 0 to 2, and one of X 10 represents — (CH 2 ) n OCOR ′ or — (CH 2 ) n COOR ′, The other represents a hydrogen atom, n represents an integer of 0 to 2, R ′ represents an alkyl group or alkenyl group having 4 or more carbon atoms, and Y 10 each independently represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms. , A methoxy group, or halogen, and b independently represents an integer of 1 to 3.)
- R 10 when R 10 is a hydrogen atom, it is preferable because a reversible thermochromic composition having a wider hysteresis width can be obtained, and further, R 10 is a hydrogen atom, and , A is 0.
- R 11 is an alkyl or alkenyl group having 8 or more carbon atoms, preferably an alkyl group having 10 to 24 carbon atoms, more preferably an alkyl group having 12 to 22 carbon atoms.
- ester compounds satisfying the general formulas (10) and (11) include octanoic acid-4-benzyloxyphenylethyl, nonanoic acid-4-benzyloxyphenylethyl, decanoic acid-4-benzyloxyphenylethyl, Undecanoic acid-4-benzyloxyphenylethyl, dodecanoic acid-4-benzyloxyphenylethyl, tridecanoic acid-4-benzyloxyphenylethyl, tetradecanoic acid-4-benzyloxyphenylethyl, pentadecanoic acid-4-benzyloxyphenylethyl, Examples include hexadecanoic acid-4-benzyloxyphenylethyl, heptadecanoic acid-4-benzyloxyphenylethyl, octadecanoic acid-4-benzyloxyphenylethyl, and the like.
- component (c) may comprise an ester compound represented by the following general formula (12).
- R 12 represents an alkyl group or alkenyl group having 8 or more carbon atoms
- c represents an integer of 1 to 3 each independently
- X 12 each independently represents a hydrogen atom or an alkyl group having 1 to 4 carbon atoms
- ester compound satisfying the general formula (12) include 1,1-diphenylmethyl octoate, 1,1-diphenylmethyl nonanoate, 1,1-diphenylmethyl decanoate, and 1,1-diphenyl undecanoate.
- component (c) may comprise an ester compound represented by the following general formula (13).
- each X 13 independently represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, a methoxy group, or a halogen atom, e represents each independently an integer of 1 to 3, and d represents 1; Represents an integer of ⁇ 20)
- ester compounds satisfying the general formula (13) include diesters of malonic acid and 2- [4- (4-chlorobenzyloxy) phenyl)] ethanol, succinic acid and 2- (4-benzyloxyphenyl) ethanol, Diester of succinic acid and 2- [4- (3-methylbenzyloxy) phenyl)] ethanol, diester of glutaric acid and 2- (4-benzyloxyphenyl) ethanol, glutaric acid and 2- [4 -(4-chlorobenzyloxy) phenyl)] ethanol diester, adipic acid and 2- (4-benzyloxyphenyl) ethanol diester, pimelic acid and 2- (4-benzyloxyphenyl) ethanol diester, Dieste of suberic acid and 2- (4-benzyloxyphenyl) ethanol Diester of suberic acid with 2- [4- (3-methylbenzyloxy) phenyl)] ethanol, diester of suberic acid with 2- [4- (4-chloro
- component (c) may comprise an ester compound represented by the following general formula (14).
- R 14 represents an alkyl or alkenyl group having 1 to 21 carbon atoms, and f independently represents an integer of 1 to 3.
- ester compound satisfying the general formula (14) examples include a diester of 1,3-bis (2-hydroxyethoxy) benzene and capric acid, and a diester of 1,3-bis (2-hydroxyethoxy) benzene and undecanoic acid.
- 1,3-bis (2-hydroxyethoxy) benzene and lauric acid diester 1,3-bis (2-hydroxyethoxy) benzene and myristic acid diester, 1,4-bis (hydroxymethoxy) benzene and Diester with butyric acid, diester with 1,4-bis (hydroxymethoxy) benzene and isovaleric acid, diester with 1,4-bis (2-hydroxyethoxy) benzene and acetic acid, 1,4-bis (2-hydroxy) 1,4-bis (2-hydroxyethoxy), a diester of ethoxy) benzene and propionic acid Diester of benzene and valeric acid, diester of 1,4-bis (2-hydroxyethoxy) benzene and caproic acid, diester of 1,4-bis (2-hydroxyethoxy) benzene and caprylic acid, 1,4- Diester of bis (2-hydroxyethoxy) benzene and caprylic acid, 1,4- Diester of bis (2-hydroxyethoxy)
- component (c) may comprise an ester compound represented by the following general formula (15).
- each X 15 independently represents a hydrogen atom, an alkyl group having 1 to 4 carbon atoms, an alkoxy group having 1 to 4 carbon atoms, or a halogen atom; h represents an integer of 1 to 3; g represents an integer of 1 to 20.
- ester compound satisfying the general formula (15) examples include diesters of succinic acid and 2-phenoxyethanol, diesters of suberic acid and 2-phenoxyethanol, diesters of sebacic acid and 2-phenoxyethanol, and 1,10-decanedicarboxylic acid. And a diester of 2-phenoxyethanol, or a diester of 1,18-octadecanedicarboxylic acid and 2-phenoxyethanol.
- the content thereof is preferably 1 to 30 parts by mass, more preferably based on the total mass of the component (c).
- the amount is 5 to 30 parts by mass, more preferably 5 to 25 parts by mass.
- Component (a) 1 is preferably component (b) 0.1-50, more preferably 0.5-20, still more preferably 2-20, preferably component (c) 1-800, more preferably Is in the range of 5 to 200, more preferably 10 to 200 (all of the above ratios are in parts by mass).
- the three components can be encapsulated in a microcapsule to form a temperature-sensitive color-changing color memory microcapsule pigment.
- chemical substances such as acidic substances, basic substances, and peroxides can be formed. Even if it comes into contact with a highly active substance or other solvent component, its function is not lowered, and heat resistance stability can be improved.
- a secondary resin film may be provided on the surface of the microcapsule pigment according to the purpose to impart durability, or the surface characteristics may be modified for practical use.
- the microcapsule pigment has improved practicality when the average particle size is preferably in the range of 0.1 to 50 ⁇ m, more preferably 0.1 to 30 ⁇ m, and even more preferably 0.5 to 20 ⁇ m.
- the particle size and particle size distribution were measured using a laser diffraction / scattering particle size distribution measuring apparatus (manufactured by Horiba, Ltd .; LA-300), and the average particle size (median diameter) based on the numerical values. Is calculated on a volume basis.
- the microcapsule pigment preferably has an average particle size of 50 ⁇ m or less in order to maintain dispersion stability and processability when blended into ink, paint, or thermoplastic resin.
- the average particle diameter is preferably 0.1 ⁇ m or more in order to realize high density color developability.
- the ⁇ H value can be increased compared to the ⁇ H of the three-component composition.
- the microencapsulation includes conventionally known isocyanate-based interfacial polymerization methods, melamine-formalin-based in situ polymerization methods, in-liquid curing coating methods, phase separation methods from aqueous solutions, phase separation methods from organic solvents, melting A dispersion cooling method, an air suspension coating method, a spray drying method, or the like can be used, and is appropriately selected depending on the application.
- the microcapsule pigment can be mixed with a general dye (non-thermochromic property) to exhibit a color change behavior from colored (1) to colored (2).
- the temperature-sensitive color-changing color memory microcapsule pigment is dispersed in a vehicle containing additives as necessary, and is used in printing ink, brush coating, etc. used for screen printing, offset printing, process printing, gravure printing, coater, tampo printing, etc. , Paints used for spray coating, electrostatic coating, electrodeposition coating, flow coating, roller coating, dip coating, marking pens, ballpoint pens, fountain pens, brush pens, etc. It can be used for temperature-sensitive color-changing color-memory liquid compositions such as paints, cosmetics, and fiber coloring liquids.
- the additive examples include a resin, a crosslinking agent, a curing agent, a drying agent, a plasticizer, a viscosity modifier, a dispersant, an ultraviolet absorber, an antioxidant, a light stabilizer, an anti-settling agent, a smoothing agent, a gelling agent,
- the ink composition is preferably 5 to 40% by mass, more preferably 10 to 40% by mass, and still more preferably 10 to 30% by mass, based on the total mass of the ink composition.
- Memory microcapsule pigments can be included. When the content of the microcapsule pigment is within the above range, a desired color density can be achieved, and further, the ink outflow can be prevented from being lowered.
- examples of the writing instrument vehicle used for the writing instrument ink composition include an oil-based vehicle containing an organic solvent, or an aqueous vehicle containing water and, if necessary, an organic solvent.
- organic solvent examples include ethanol, propanol, butanol, glycerin, sorbitol, triethanolamine, diethanolamine, monoethanolamine, ethylene glycol, diethylene glycol, thiodiethylene glycol, polyethylene glycol, propylene glycol, butylene glycol, ethylene glycol monomethyl ether, and ethylene glycol.
- Monoethyl ether ethylene glycol monobutyl ether, diethylene glycol monomethyl ether, diethylene glycol monoethyl ether, diethylene glycol monobutyl ether, propylene glycol monobutyl ether, ethylene glycol monomethyl ether acetate, sulfolane, 2-pyrrolidone, N-methyl-2-pyrrolidone, etc. It can be mentioned.
- Examples of the ink composition for a writing instrument include a shear-thinning ink composition containing a shear-thinning agent in a vehicle, a water-soluble polymer flocculant in the vehicle, and an agglomeration in which a pigment is suspended in a gentle agglomerated state. Can be mentioned.
- shear thinning agent By adding the shear thinning agent, it is possible to suppress aggregation and sedimentation of the pigment and to suppress bleeding of the handwriting, so that a good handwriting can be formed.
- the writing instrument filled with the ink composition is in the form of a ball-point pen, ink is prevented when ink is not leaked from the gap between the ball and the tip when not in use or when the writing tip is left facing upward (upright state).
- the backflow of the composition can be prevented.
- shear thinning agent examples include xanthan gum, welan gum, succinoglycan (average molecular weight of about 1 to 8 million) whose constituent monosaccharide is an organic acid-modified heteropolysaccharide of glucose and galactose, guar gum, locust bean gum and the like Derivatives, hydroxyethyl cellulose, alginic acid alkyl esters, polymers having a molecular weight of 100,000 to 150,000 based on alkyl esters of methacrylic acid, thickening with gelling ability extracted from seaweeds such as glucomannan, agar and carrageenan Polysaccharides, benzylidene sorbitol and benzylidene xylitol or their derivatives, crosslinkable acrylic acid polymers, inorganic fine particles, polyglycerin fatty acid esters, polyoxyethylene sorbitan fatty acid esters, polyethylene glycol fatty acid esters, Polyoxyethylene alkyl ether
- water-soluble polymer flocculant examples include polyvinyl pyrrolidone, polyethylene oxide, and water-soluble polysaccharides.
- water-soluble polysaccharides examples include tragacanth gum, guar gum, pullulan, cyclodextrin, water-soluble cellulose derivatives and the like.
- water-soluble cellulose derivatives include methyl cellulose, hydroxyethyl cellulose, hydroxypropyl cellulose, hydroxyethyl methyl cellulose, hydroxypropyl methyl cellulose. Etc.
- the comb polymer dispersant having a carboxyl group in the side chain is not particularly limited as long as it is a comb polymer compound having a plurality of carboxyl groups in the side chain, but a plurality of carboxyl groups in the side chain.
- An acrylic polymer compound having the following formula is suitable. Examples of the compound include trade name: Solsperse 43000 manufactured by Nippon Lubrizol Corporation.
- the organic nitrogen sulfur compound further suppresses settling of the microcapsule pigment due to vibration when the ink composition is filled into a writing instrument and put to practical use.
- organic nitrogen sulfur compound a compound selected from thiazole compounds, isothiazole compounds, benzothiazole compounds, and benzoisothiazole compounds is used.
- organic nitrogen sulfur compound examples include 2- (4-thiazoyl) -benzimidazole (TBZ), 2- (thiocyanatomethylthio) -1,3-benzothiazole (TCMTB), 2-methyl-4-isothiazoline- One or more compounds selected from 3-one and 5-chloro-2-methyl-4-isothiazolin-3-one are used, preferably 2- (4-thiazoyl) -benzimidazole (TBZ), 2 One or more compounds selected from -methyl-4-isothiazolin-3-one and 5-chloro-2-methyl-4-isothiazolin-3-one are used.
- organic nitrogen sulfur compound manufactured by Permachem Asia Co., Ltd., trade names: Topside 88, 133, 170, 220, 288, 300, 400, 500, 600, 700Z, 800, 950, manufactured by Hokuko Sangyo Co., Ltd., trade names: Hokuster HP, E50A, Hokuside P200, 6500, 7400, MC, 369, R-150.
- the mass ratio of the comb-type polymer dispersant having a carboxyl group in the side chain and the organic nitrogen sulfur compound is preferably 1: 1 to 1:10, more preferably 1: 1 to 1: 5.
- the ink containing the comb-type polymer dispersant having a carboxyl group in the side chain and the organic nitrogen sulfur compound is added. This further improves the function of improving the stability of the microcapsule pigment.
- water-soluble resin examples include alkyd resins, acrylic resins, styrene maleic acid copolymers, cellulose derivatives, polyvinyl pyrrolidone, polyvinyl alcohol, dextrin, and preferably polyvinyl alcohol is used.
- the ink composition is more soluble even in an acidic region, and thus is more preferably used.
- the amount of the water-soluble resin added is preferably 0.3 to 3.0% by mass, more preferably 0.5 to 1.5% by mass in the ink composition.
- a higher fatty acid such as oleic acid, a nonionic surfactant having a long-chain alkyl group, a polyether-modified silicone oil, a thiophosphorous acid tri (alkoxycarbonylmethyl ester) ) And thiophosphite triester (alkoxycarbonylethyl ester), etc., polyoxyethylene alkyl ether or polyoxyethylene alkyl aryl ether phosphate monoester, polyoxyethylene alkyl ether or polyoxyethylene alkyl aryl ether It is preferable to prevent wear of the ball seat by adding a lubricant such as a phosphoric acid diester or a metal salt, ammonium salt, amine salt or alkanolamine salt thereof.
- a lubricant such as a phosphoric acid diester or a metal salt, ammonium salt, amine salt or alkanolamine salt thereof.
- the ink composition once frozen is thawed again even if the pH of the ink is in the acidic or alkaline region. It is possible to suppress poor dispersion and agglomeration of the microcapsule pigment that occurs later, to prevent an increase in the viscosity of the ink composition and the accompanying handwriting and lightening, and to prevent corrosion of the ball when used in a ballpoint pen. it can.
- resin such as acrylic resin, styrene maleic acid copolymer, cellulose derivative, polyvinyl pyrrolidone, polyvinyl alcohol, dextrin may be added as necessary to give adhesion to paper and viscosity, sodium carbonate, sodium phosphate , Inorganic salts such as sodium acetate, pH adjusters such as organic basic compounds such as water-soluble amine compounds, rust preventives such as benzotriazole, tolyltriazole, dicyclohexylammonium nitrite, diisopropylammonium nitrite, saponin, coalic acid, 1,2-benzthiazolin-3-one sodium salt, sodium benzoate, sodium dehydroacetate, potassium sorbate, propyl paraoxybenzoate, 2,3,5,6-tetrachloro-4- (methylsulfonyl) pyridine, etc.
- resin such as acrylic resin, styrene maleic acid copolymer, cellulose derivative, polyviny
- Preservative Or antifungal agents urea, nonionic surfactants, reduced or non-reduced starch hydrolysates, oligosaccharides such as trehalose, sucrose, cyclodextrin, glucose, dextrin, sorbit, mannitol, sodium pyrophosphate, etc.
- a fluorine-based surfactant or a nonionic surfactant that improves the permeability of the ink composition, the defoaming agent, the dispersant, and the ink composition may be added.
- the writing instrument according to the present invention includes a shaft cylinder containing the ink composition and a pen body for deriving the ink composition in the shaft cylinder.
- the pen body include a marking pen body, a ballpoint pen body, and a brush pen body.
- the marking pen body include marking tips such as fiber tips, felt tips, and plastic tips.
- An example of the ballpoint pen body is a ballpoint pen tip.
- a brush pen body a fiber bundling body in which fibers are bundled closely in the longitudinal direction, a plastic porous body having continuous pores, a heat-bonded or resin processed body of synthetic resin fibers, an extrusion molding process of a soft resin or an elastomer The body is mentioned.
- the ballpoint pen and the marking pen containing the ink composition will be described in more detail.
- the structure and shape of the ballpoint pen itself are not particularly limited.
- the ink composition is impregnated into an ink occlusion body made of a fiber bundle housed inside the shaft tube, and the ink composition is applied to the writing tip.
- a structure for supplying a product a structure in which an ink composition is directly stored in a shaft cylinder, and an ink flow rate adjusting member composed of a comb groove-like ink flow rate or a fiber bundle is interposed, a shear thinning ink composition in the shaft tube
- a tip formed by holding a ball in a ball holding portion obtained by pressing and deforming the vicinity of the tip of a metal pipe inward from the outer surface, or a metal material is cut by a drill or the like
- a chip formed by holding the ball in the ball holding part formed by the above, a chip provided with a resin ball receiving seat inside a metal or plastic chip, or a ball held by the chip is moved forward by a spring body Energized items can be applied.
- the ball is preferably made of cemented carbide, stainless steel, ruby, ceramic, resin, rubber or the like, preferably 0.3 to 2.0 mm, more preferably 0.3 to 1.5 mm, still more preferably 0.3 to Those having a diameter of about 1.0 mm can be applied.
- the ink composition housing tube for housing the ink composition for example, a molded body made of a thermoplastic resin such as polyethylene, polypropylene, polyethylene terephthalate, nylon, or a metal tubular body is used.
- the ink composition storage tube and the chip may be connected via a connecting member.
- the ink composition storage tube may be a refill type in which the refill is stored in a resin or metal shaft cylinder, or the shaft cylinder itself having a tip attached to the tip is stored in the ink composition.
- the ink composition may be directly filled in the shaft cylinder.
- the structure and shape of the retractable ballpoint pen are not particularly limited, and the writing tip provided on the ballpoint pen refill is exposed to the outside air. Any structure can be used as long as it is housed in the cylinder and the writing tip protrudes from the shaft cylinder opening by the operation of the retracting mechanism. Examples of the operation method of the retracting mechanism include a knock type, a rotary type, and a slide type.
- the knock type has a knock portion on the rear end portion of the shaft tube and the side surface of the shaft tube, and a configuration in which the ball-point pen tip is projected and retracted from the front end opening portion of the shaft tube by pressing the knock portion, or a clip portion provided on the shaft tube
- the structure which makes a ball-point pen tip protrude and invade from a shaft cylinder front-end opening part by pressing can be illustrated.
- the rotary type has a rotating part at the rear part of the shaft cylinder, and can be exemplified by a configuration in which the ball-point pen tip is projected and retracted from the opening part at the front end of the shaft cylinder by turning the rotating part.
- the slide type has a slide part on the side surface of the shaft tube, and by operating the slide, the ballpoint pen tip is projected and retracted from the opening at the front end of the shaft tube, or by sliding a clip part provided on the shaft tube, A configuration in which the ball-point pen tip is projected and retracted from the front end opening of the shaft cylinder can be exemplified.
- the retractable ballpoint pen is a compound type retractable ballpoint pen in which a plurality of ballpoint pen refills are accommodated in a shaft cylinder, and the writing tip of one of the ballpoint pen refills protrudes and retracts from the opening at the front end of the shaft cylinder by the operation of the retractable mechanism. May be.
- the back end of the ink composition housed in the ink composition housing tube is filled with an ink composition backflow preventer.
- the ink composition backflow preventer composition is composed of a non-volatile liquid or a hardly volatile liquid.
- petroleum jelly spindle oil, castor oil, olive oil, refined mineral oil, liquid paraffin, polybutene, ⁇ -olefin, ⁇ -olefin oligomer or co-oligomer, dimethyl silicone oil, methylphenyl silicone oil, amino-modified silicone oil, Examples thereof include polyether-modified silicone oil and fatty acid-modified silicone oil, and one or more can be used in combination.
- the non-volatile liquid and / or the hardly volatile liquid is preferably thickened to a suitable viscosity by adding a thickener.
- a thickener the surface is treated with hydrophobic silica, and the surface is methylated.
- liquid ink composition backflow prevention body and the solid ink composition backflow prevention body can be used in combination.
- the structure and shape of the marking pen itself are not particularly limited.
- an ink composition occlusion body composed of a fiber bundle is incorporated in a shaft tube, and a capillary gap is formed.
- the marking pen tip made of the formed fiber processed body is attached to the shaft cylinder directly or via a relay member, and the ink composition occlusion body of the marking pen formed by connecting the ink composition occlusion body and the tip
- a chip and an ink composition storage tube are arranged through a marking pen impregnated with a cohesive ink composition and a valve body that is opened by pressing the chip, and the ink composition is directly stored in the ink composition storage tube. Marking pens etc. can be illustrated.
- the chip is a porous member having continuous ventilation holes selected from the range of generally used porosity of 30 to 70%, such as a resin processed body of fibers, a fusion processed body of hot-melt fibers, and a felt body.
- One end is processed into a shape suitable for the purpose such as a bullet shape, a rectangular shape, a chisel shape, etc.
- the ink composition occlusion body is formed by converging crimped fibers in the longitudinal direction, and is contained in a covering body such as a plastic cylinder or a film so that the porosity is adjusted to a range of approximately 40 to 90%. Configured.
- valve body can be of a general-purpose pumping type, but is preferably set to a spring pressure that can be pressed and released by writing pressure.
- the form of the ballpoint pen or the marking pen is not limited to that described above, and it may be a double-headed writing instrument on which a chip having a different form is attached or a pen tip for deriving inks of different colors is attached.
- the writing instrument may further include a heating tool and / or a cooling tool.
- the handwriting obtained by writing on the writing surface using the writing instrument containing the ink composition can be discolored by the heating tool or the cooling tool.
- the heating tool examples include an energization heating color changing tool equipped with a resistance heating element, a heating color changing tool filled with hot water, and a hair dryer.
- a friction member is used as a means capable of changing color by a simple method. Used.
- an elastic body such as an elastomer or a plastic foam which is rich in elasticity and can generate frictional heat upon rubbing to generate an appropriate friction is suitable.
- the above-mentioned friction member that hardly generates erase scraps is preferably used because erase scraps are generated during friction.
- the material of the friction member silicone resin, SEBS resin (styrene ethylene butadiene styrene block copolymer), polyester resin, or the like is used.
- the friction member can be obtained by combining a writing instrument and a member of arbitrary shape (friction body) separately to obtain a writing instrument set. However, by providing the writing instrument with a friction member, it is excellent in portability.
- the location where the friction member is provided is not particularly limited.
- the cap itself is formed of a friction member
- the shaft tube itself is formed of a friction member, or a clip is provided.
- the clip itself can be formed of a friction member, or the friction member can be provided at the tip end (top) of the cap or the rear end of the shaft cylinder (the portion where the writing tip is not provided).
- the location where the friction member is provided is not particularly limited, but for example, the shaft cylinder itself is formed with a friction member, or when the clip is provided, the clip itself is formed with a friction member, A friction member can be provided in the vicinity of the shaft tube opening, the rear end portion of the shaft tube (the portion where the writing tip portion is not provided) or the knock portion.
- Examples of the cooling tool include a cooling / changing tool using a Peltier element, a cooling / changing tool filled with a coolant such as cold water and ice pieces, a refrigerator and a freezer.
- the material of the support is not specified and is all effective; paper, synthetic paper, fiber, fabric, synthetic leather, leather, plastic, glass A ceramic material, a metal, a wood, a stone material, etc. can be illustrated, and not only a planar shape but uneven
- a laminate (printed material) is obtained by providing a reversible thermochromic layer containing a temperature-sensitive color-changing color memory composition on the support.
- the colored layer can be concealed by a reversible thermochromic layer due to a temperature change. Aspects can be further diversified.
- the temperature-sensitive color-changing color memory microcapsule pigment is melt-blended with a thermoplastic resin, thermosetting resin, wax, or the like, and is formed into a pellet, powder, or paste form for temperature-sensitive color-change color memory molding. It can also be used as a resin composition, and can be used as a general-purpose injection molding, extrusion molding, blow molding, cast molding, or any other desired three-dimensional model, film, sheet, plate, filament, rod, pipe, etc. A molded body of the form is obtained.
- a crayon can be obtained by melt blending with a thermoplastic resin or wax.
- a general dye / pigment (non-thermochromic property) can be blended to exhibit a discoloration behavior from colored (1) to colored (2).
- Light resistance is improved by laminating a layer containing a light stabilizer and / or a transparent metallic luster pigment on the laminate or a molded article molded using the resin composition, or a top coat.
- a layer can also be provided to improve durability.
- Examples of the light stabilizer include ultraviolet absorbers, antioxidants, singlet oxygen quenchers, superoxide anion quenchers, and ozone quenchers.
- the transparent metallic luster pigment examples include natural mica, synthetic mica, glass pieces, alumina, and a pigment obtained by coating the surface of a transparent film piece with a metal oxide such as titanium oxide.
- thermochromic color memory composition examples include the following.
- Toys for dolls or animal figure toys, hair for dolls or animal figure toys, doll accessories such as doll houses and furniture, clothing, hats, bags, shoes, accessory toys, stuffed toys, drawing toys, toys Puzzle toys such as picture books, jigsaw puzzles, building toys, block toys, clay toys, fluid toys, tops, kites, musical instrument toys, cooking toys, gun toys, capture toys, background toys and vehicles, animals, plants, buildings, and food
- toys Clothing T-shirts, trainers, blouse, dresses, swimwear, raincoats, skiwear, and other clothing, footwear such as shoes and shoelaces, handkerchiefs, towels, cloth accessories such as furoshiki, gloves, ties, and hats etc, (3) Indoor decoration carpets, curtains, curtain strings, table racks, rugs, cushions, picture frames, artificial flowers, photo frames, etc.
- Examples of the present invention are shown below, but the present invention is not limited thereto.
- the part in an Example represents a mass part.
- thermosensitive color-change color memory composition As component (a), 3- (2-ethoxy-4-diethylaminophenyl) -3- (1-ethyl-2-methylindol-3-yl) -4- Three components comprising 1 part of azaphthalide, 2 parts of 2,2-bis (4-hydroxyphenyl) hexafluoropropane as component (b) and 50 parts of decyl 4-phenylbenzoate (Compound 1) as component (c) The resulting mixture was heated and homogeneously dissolved to obtain a thermochromic color memory composition. The temperature-sensitive color-changing color memory composition changed its color from blue to colorless.
- the temperature-sensitive color-changing color memory composition was sealed in a transparent glass capillary tube having an inner diameter of 1 mm and a length of 78 mm to a height of about 10 mm from the bottom of the capillary tube to obtain a measurement sample.
- T 1 complete color development temperature
- T 2 color development start temperature
- T 3 decoloration start temperature
- T 4 complete color erase temperature
- T H Tempoture between T 1 and T 2 (T 1 + T 2 ) / 2]
- T G T.sub.3 between T 3 and T 4 (T 3 + T 4 ) / 2]
- ⁇ H Hysteresis width T G -T H ).
- the temperature-sensitive color-changing color memory composition is T 1 : 24 ° C., T 2 : 26 ° C., T 3 : 34 ° C., T 4 : 48 ° C., T H : 25 ° C., T G : 41 ° C., ⁇ H: 16
- the hysteresis characteristic at °C was shown.
- Example 2 to 9 In the same manner as in Example 1 except that the component (a), component (b), component (c) of the temperature-sensitive color-changing color memory composition described in the following table and the amount of each component were changed, The temperature-sensitive color-changing color memory compositions of Examples 2 to 9 were prepared, and the color-change temperature was measured in the same manner as in Example 1.
- a in component (a) in the table is 3- (2-ethoxy-4-diethylaminophenyl) -3- (1-ethyl-2-methylindol-3-yl) -4-azaphthalide
- component (b) E in the formula is 2,2-bis (4-hydroxyphenyl) hexafluoropropane
- F is 1,1-bis (4-hydroxyphenyl) -2-methylpropane.
- Example 10 Method for preparing temperature-sensitive color-changing color-memory microcapsule pigment
- component (a) 3- (2-ethoxy-4-diethylaminophenyl) -3- (1-ethyl-2-methylindol-3-yl) -4-
- thermochromic color comprising 1 part of azaphthalide, 5 parts of 2,2-bis (4-hydroxyphenyl) hexafluoropropane as component (b) and 50 parts of lauryl 4-phenylbenzoate (compound 3) as component (c)
- a memory composition was mixed, uniformly heated and dissolved, and a solution prepared by mixing 20 parts of an aromatic polyvalent isocyanate prepolymer and 40 parts of ethyl acetate as a wall film material was put into 100 parts of a 15% gelatin aqueous solution, It was emulsified and dispersed to form fine droplets.
- the temperature-sensitive color-changing color memory microcapsule pigment was isolated by centrifugation to obtain a temperature-sensitive color-changing color memory microcapsule pigment that changes color from blue to colorless (average particle diameter 2.8 ⁇ m).
- Preparation of measurement sample 40 parts of the temperature-sensitive color-changing color memory microcapsule pigment, 50 parts of an ethylene-vinyl acetate resin emulsion, 1 part of a leveling agent, 1 part of an antifoaming agent, 0.5 part of a viscosity adjusting agent, water 7.
- a temperature-sensitive color-changing color memory ink was prepared by uniformly dispersing in a 5 part aqueous ink vehicle. A solid pattern was screen-printed on high-quality paper with the ink to obtain a measurement sample.
- the measurement sample is set in a measurement part of a color difference meter (TC-3600 type color difference meter, manufactured by Tokyo Denshoku Co., Ltd.), and the temperature of the sample part is increased and decreased at a rate of 10 ° C./min.
- the brightness value was measured as the color density at, and a color density-temperature curve was prepared. From the color density-temperature curve, T 1 , T 2 , T 3 , T 4 , T H [T 1 and T 2 intermediate temperature (T 1 + T 2 ) / 2], T G [T 3 and T 4 Intermediate temperature (T 3 + T 4 ) / 2] and ⁇ H (hysteresis width T G -T H ) were determined.
- the temperature-sensitive color-changing color memory microcapsule pigment has T 1 : ⁇ 6 ° C., T 2 : 0 ° C., T 3 : 43 ° C., T 4 : 49 ° C., T H : ⁇ 3 ° C., T G : 46 ° C. ⁇ H: Hysteresis characteristics at 49 ° C were shown.
- Example 11 to 21 The component (a), component (b), component (c) component of the temperature-sensitive color-changing color memory composition to be encapsulated in the microcapsule, and the blending amount thereof are the compounds and blending amounts described in Table 3 below. Except for the changes, the thermochromic color-memory microcapsule pigments of Examples 11 to 21 were prepared in the same manner as in Example 10, and the hysteresis characteristics were measured in the same manner as in Example 10.
- a of the component (a) is 3- (2-ethoxy-4-diethylaminophenyl) -3- (1-ethyl-2-methylindol-3-yl) -4-azaphthalide
- B is 1, 2-Benz-6- (N-ethyl-N-isoamylamino) fluorane
- C is 2- (2-chloroanilino) -6-di-n-butylaminofluorane
- D is represented by the following formula (4 )
- Fluorane compound represented by E of the component (b) in the table is 2,2-bis (4-hydroxyphenyl) hexafluoropropane.
- thermosensitive color-changing color memory microcapsule pigments of Examples 10 to 21.
- thermosensitive color-changing color-memory microcapsule pigment prepared in Example 10 previously cooled to -6 ° C. or less to develop a blue color
- an acrylic resin emulsion solid content 45%
- viscosity An ink composition 1 (printing ink) was prepared by uniformly dispersing in a water-based ink vehicle comprising 1 part of a modifier, 0.2 part of an antifoaming agent and 8.8 parts of water.
- a large number of star patterns were screen-printed on a white T-shirt (cotton) with a 100-mesh screen using the printing ink to obtain a temperature-sensitive color-changing color memory T-shirt.
- the T-shirt has many blue star patterns visible at room temperature (25 ° C) and does not change with body temperature or ambient temperature, but the star pattern becomes colorless when heated to 49 ° C or higher, and again when cooled to -6 ° C or lower. A blue star pattern was visible.
- a part of the star pattern of the T-shirt is erased by heating with an iron or the like, and a white pattern in which only an arbitrary star is erased or a letter or pattern is formed by the star part.
- a white pattern in which only an arbitrary star is erased or a letter or pattern is formed by the star part.
- the discolored state can be maintained at room temperature, the whole is heated to 49 ° C or higher to erase the entire star pattern, and then cooled to -6 ° C or lower to develop the entire star pattern.
- an arbitrary pattern could be formed again as described above.
- thermosensitive color-changing color memory microcapsule pigment prepared in Example 11 1 part of dispersant, 0.1 part of non-thermochromic pink pigment, and 93.9 parts of polypropylene homopolymer were 180 ° C. using an extruder.
- the resin composition for molding (pellet) was obtained by melt mixing.
- a plastic cup was molded at a cylinder temperature of 180 ° C. using an injection molding machine using the pellets.
- the plastic cup is purple at room temperature (25 ° C.) after being cooled to 6 ° C. or lower, but starts to change color at a temperature of 50 ° C. or higher by heating and becomes pink at a temperature of 58 ° C. or higher. .
- the color change started from a temperature of 16 ° C. or lower, and became purple again at a temperature of 6 ° C. or lower.
- thermosensitive color-changing color memory microcapsule pigment and 1.5 parts of the non-thermochromic fluorescent pink pigment prepared in Example 14 were added to 12.5 parts of a vinyl chloride-vinyl acetate copolymer resin and 38 parts of xylene.
- An ink composition 2 (paint) was prepared by uniformly dispersing in an oil-based ink vehicle comprising 3 parts, 45 parts of butyl acetate and 0.2 part of a viscosity modifier.
- the paint is cooled to a temperature of ⁇ 9 ° C. or lower and turned purple, then spray coating is applied to the plug portion (white) of a household electric cord to provide a reversible thermochromic layer, and a temperature-sensitive color-changing color memory plug Got.
- the plug had a purple color at room temperature (25 ° C.), but became pink at a temperature of 56 ° C. or higher by heating. When cooled from this discolored state, it turned purple again at a temperature of -9 ° C or lower.
- the temperature-sensitive color-change color memory plug becomes pink at a temperature of 56 ° C. or higher, the color change state of the pink color can be maintained unless it is cooled to a temperature of ⁇ 9 ° C. or lower.
- the temperature history when reaching a high temperature range of 56 ° C. or higher was detected visually.
- thermosensitive color-changing color-memory microcapsule pigment prepared in Example 15 previously cooled to ⁇ 9 ° C. or less to develop a blue color
- succinoglycan saliva thinning agent
- sugar mixture [manufactured by Sanwa Starch Co., Ltd., trade name: Sandeck 70] 3.0 parts, phosphate ester surfactant 0.5 parts, antifungal agent 0.1 parts, triethanolamine 1.
- Ink composition 3 (ink for writing instruments) was prepared by uniformly dispersing 0 parts in water and 68.1 parts in water.
- the ink for the writing instrument was sucked and filled into an ink storage tube made of a polypropylene pipe, and connected to a ball-point pen tip holding a 0.5 mm stainless steel ball at the tip through a resin holder.
- a viscoelastic ink backflow prevention body (liquid stopper) mainly composed of polybutene was filled to obtain a ballpoint pen refill.
- the ballpoint pen refill was incorporated into a shaft tube to obtain a writing instrument (an in / out type ballpoint pen).
- the writing instrument is housed in the shaft cylinder in a state in which the tip provided on the ballpoint pen refill is exposed to the outside air.
- the tip protrudes from the opening at the front end of the cylinder.
- a friction member made of SEBS resin is provided at the rear end portion of the shaft cylinder.
- a blue character was formed by writing on the paper surface with the tip of the ball-point pen tip protruded from the front end opening of the shaft cylinder by the operation of the retracting mechanism.
- the handwriting was rubbed using a friction member made of SEBS resin provided at the rear end portion of the shaft tube, the letters disappeared and became colorless, and this state could be maintained at room temperature.
- Application example 5 58 20 parts of temperature-sensitive color-changing color-memory microcapsule pigment prepared in Example 16 (previously cooled to ⁇ 9 ° C. or less to develop a pink color) were added to an acrylic resin emulsion (solid content 40%).
- Ink composition 4 printing ink was prepared by uniformly dispersing in an aqueous ink vehicle comprising 0 part and 2.0 parts of antifoaming agent.
- the counterfeit discrimination mark was printed by gravure printing on the gift certificate printed on the high-quality paper using the non-thermochromic ink.
- the counterfeit discrimination mark is pink at room temperature (25 ° C) and does not change color at body temperature or ambient temperature, but becomes colorless when heated to 49 ° C or higher, and becomes pink again when cooled to -9 ° C or lower. .
- the counterfeit discrimination mark of the gift certificate is pink and does not change color at room temperature, it cannot be identified as a counterfeit discrimination mark. However, when it is heated to 49 ° C or higher, it becomes colorless and has a forgery prevention function. Was.
- Application example 6 27 parts of temperature-sensitive color-changing color-memory microcapsule pigment prepared in Example 18 (previously cooled to ⁇ 19 ° C. or lower to develop a blue color) were added to xanthane gum (shear thinning agent) 0.33 part, A water-based ink vehicle comprising 10.0 parts urea, 10 parts glycerin, 0.6 parts nonionic surfactant, 0.1 part modified silicone antifoaming agent, 0.2 part antifungal agent, and 51.77 parts water.
- An ink composition 5 (ink for writing instrument) was prepared by uniformly dispersing the ink composition.
- the back end of the polypropylene pipe is filled with a viscoelastic ink backflow prevention body (liquid stopper) mainly composed of polybutene, and a tail plug is fitted to the rear part of the pipe.
- a viscoelastic ink backflow prevention body liquid stopper
- a tail plug is fitted to the rear part of the pipe.
- the blue writing was formed by writing on the paper using the writing instrument.
- the handwriting had a blue color at room temperature (25 ° C.), and when the letters were scraped with a friction body, the letters disappeared and became colorless, and this state could be maintained at room temperature.
- Application example 7 25 parts of temperature-sensitive color-changing color-memory microcapsule pigment prepared in Example 20 (previously cooled to -19 ° C. or lower to develop a blue color), 0.5 parts of hydroxyethyl cellulose, comb-type polymer dispersant [ Nippon Lubrizol Co., Ltd., trade name: Solsperse 43000], 0.2 parts, organic nitrogen sulfur compound [manufactured by Hokuko Chemical Co., Ltd., trade name: Hokuside R-150, 2-methyl-4-isothiazoline-3- Mixture of ON and 5-chloro-2-methyl-4-isothiazolin-3-one] 1.0 part, 0.5 part of polyvinyl alcohol, 25.0 parts of glycerin, 0.02 part of antifoaming agent, water 47.78 Parts were mixed to obtain ink composition 6 (ink for writing implement).
- Preparation of a filling type writing instrument The ink for the writing instrument is impregnated in an ink occlusion body in which a polyester sliver is covered with a synthetic resin film, and is stored in a shaft tube made of polypropylene resin. It assembled in the connection state with the resin processing pen body (bullet type), the cap was mounted
- a SEBS resin is mounted as a friction member on the rear end of the shaft tube.
- the blue writing was formed by writing on the paper using the writing instrument.
- the handwriting had a blue color at room temperature (25 ° C.).
- the letters were scraped with a friction body, the letters were decolored and colorless, and this state could be maintained at room temperature.
- the paper surface after erasing was placed in a freezer and cooled to a temperature of ⁇ 19 ° C. or lower, the characters turned blue again, and the behavior could be reproduced repeatedly.
- Application example 8 Ink composition 7 was prepared in the same manner as in Application Example 4, except that the thermosensitive color-changing color memory microcapsule pigment prepared in Example 21 (previously cooled to ⁇ 18 ° C. or less and colored blue) was used. (Ink for writing instruments) was prepared, and a writing instrument (an indented ballpoint pen) was produced in the same manner as in Application Example 4.
- the blue pen (handwriting) was formed by writing on the paper surface with the tip of the ball-point pen tip protruding and retracting from the front end opening portion of the barrel by the operation of the protruding and retracting mechanism of the writing instrument.
- thermosensitive color-changing color memory microcapsule pigment prepared in Example 21 previously cooled to ⁇ 18 ° C. or lower and colored blue
- a writing instrument ballpoint pen
- a blue character was formed by writing on the paper using the ink for the writing instrument.
- the handwriting had a blue color at room temperature (25 ° C.). When the letters were scraped with a friction body, the letters were decolored and colorless, and this state could be maintained at room temperature.
- Application Example 10 Ink composition 9 (in the same manner as in Application Example 7 except that the thermosensitive color-changing color-memory microcapsule pigment prepared in Example 21 (previously cooled to ⁇ 18 ° C. or less and colored blue) was used.
- Writing tool ink was prepared, and a writing tool (marking pen) was obtained in the same manner as in Application Example 7.
- the blue ink was formed by writing on the paper using the ink for the writing instrument.
- the handwriting had a blue color at room temperature (25 ° C.).
- room temperature 25 ° C.
Abstract
Description
前記感温変色性色彩記憶性材料は、従来の可逆熱変色性材料のように変色温度を境にその前後で変色し、変色前後の両状態のうち常温域では特定の一方の状態しか存在せず、もう一方の状態はその状態が発現するのに要する熱または冷熱が適用されている間は維持され、熱または冷熱の適用がなくなれば常温域で呈する状態に戻るタイプと比較して、変色温度より低温側の色と高温側の色のいずれかを常温域において選択的に保持できるうえ、必要に応じて熱又は冷熱を適用することにより互変的に保持させることができ、感温記録材料、玩具類、装飾、印刷分野等多様な分野に適用されている。
3,3-ビス(p-ジメチルアミノフェニル)-6-ジメチルアミノフタリド、
3-(4-ジエチルアミノフェニル)-3-(1-エチル-2-メチルインドール-3-イル)フタリド、
3,3-ビス(1-n-ブチル-2-メチルインドール-3-イル)フタリド、
3,3-ビス(2-エトキシ-4-ジエチルアミノフェニル)-4-アザフタリド、
3-〔2-エトキシ-4-(N-エチルアニリノ)フェニル〕-3-(1-エチル-2-メチルインドール-3-イル)-4-アザフタリド、
3,6-ジフェニルアミノフルオラン、
3,6-ジメトキシフルオラン、
3,6-ジ-n-ブトキシフルオラン、
2-メチル-6-(N-エチル-N-p-トリルアミノ)フルオラン、
3-クロロ-6-シクロヘキシルアミノフルオラン、
2-メチル-6-シクロヘキシルアミノフルオラン、
2-(2-クロロアミノ)-6-ジブチルアミノフルオラン、
2-(2-クロロアニリノ)-6-ジ-n-ブチルアミノフルオラン、
2-(3-トリフルオロメチルアニリノ)-6-ジエチルアミノフルオラン、
2-(N-メチルアニリノ)-6-(N-エチル-N-p-トリルアミノ)フルオラン、
1,3-ジメチル-6-ジエチルアミノフルオラン、
2-クロロ-3-メチル-6-ジエチルアミノフルオラン、
2-アニリノ-3-メチル-6-ジエチルアミノフルオラン、
2-アニリノ-3-メチル-6-ジ-n-ブチルアミノフルオラン、
2-キシリジノ-3-メチル-6-ジエチルアミノフルオラン、
1,2-ベンツ-6-ジエチルアミノフルオラン、
1,2-ベンツ-6-(N-エチル-N-イソブチルアミノ)フルオラン、
1,2-ベンツ-6-(N-エチル-N-イソアミルアミノ)フルオラン、
2-(3-メトキシ-4-ドデコキシスチリル)キノリン、
スピロ〔5H-(1)ベンゾピラノ(2,3-d)ピリミジン-5,1′(3′H)イソベンゾフラン〕-3′-オン、
2-(ジエチルアミノ)-8-(ジエチルアミノ)-4-メチル-スピロ〔5H-(1)ベンゾピラノ(2,3-g)ピリミジン-5,1′(3′H)イソベンゾフラン〕-3-オン、
2-(ジ-n-ブチルアミノ)-8-(ジ-n-ブチルアミノ)-4-メチル-スピロ〔5H-(1)ベンゾピラノ(2,3-g)ピリミジン-5,1′(3′H)イソベンゾフラン〕-3-オン、
2-(ジ-n-ブチルアミノ)-8-(ジエチルアミノ)-4-メチル-スピロ〔5H-(1)ベンゾピラノ(2,3-g)ピリミジン-5,1′(3′H)イソベンゾフラン〕-3-オン、
2-(ジ-n-ブチルアミノ)-8-(N-エチル-N-i-アミルアミノ)-4-メチル-スピロ〔5H-(1)ベンゾピラノ(2,3-g)ピリミジン-5,1′(3′H)イソベンゾフラン〕-3-オン、
2-(ジブチルアミノ)-8-(ジペンチルアミノ)-4-メチル-スピロ[5H-(1)ベンゾピラノ(2,3-g)ピリミジン-5,1′(3′H)-イソベンゾフラン]-3-オン、
3-(2-メトキシ-4-ジメチルアミノフェニル)-3-(1-ブチル-2-メチルインドール-3-イル)-4,5,6,7-テトラクロロフタリド、
3-(2-エトキシ-4-ジエチルアミノフェニル)-3-(1-エチル-2-メチルインドール-3-イル)-4,5,6,7-テトラクロロフタリド、
3-(2-エトキシ-4-ジエチルアミノフェニル)-3-(1-ペンチル-2-メチルインドール-3-イル)-4,5,6,7-テトラクロロフタリド、
4,5,6,7-テトラクロロ-3-[4-(ジメチルアミノ)-2-メチルフェニル]-3-(1-エチル-2-メチル-1H-インドール-3-イル)-1(3H)-イソベンゾフラノン、
3′,6′-ビス〔フェニル(2-メチルフェニル)アミノ〕-スピロ[イソベンゾフラン-1(3H),9′-〔9H〕キサンテン]-3-オン、
3′,6′-ビス〔フェニル(3-メチルフェニル)アミノ〕-スピロ[イソベンゾフラン-1(3H),9′-〔9H〕キサンテン]-3-オン、
3′,6′-ビス〔フェニル(3-エチルフェニル)アミノ〕-スピロ[イソベンゾフラン-1(3H),9′-〔9H〕キサンテン]-3-オン、
4-[2,6-ビス(2-エトキシフェニル)-4-ピリジニル]-N,N-ジメチルベンゼンアミン、
2-(4′-ジメチルアミノフェニル)-4-メトキシ-キナゾリン、
4,4′-(エチレンジオキシ)-ビス〔2-(4-ジエチルアミノフェニル)キナゾリン〕
フェノール、o-クレゾール、ターシャリーブチルカテコール、ノニルフェノール、n-オクチルフェノール、n-ドデシルフェノール、n-ステアリルフェノール、p-クロロフェノール、p-ブロモフェノール、o-フェニルフェノール、p-ヒドロキシ安息香酸n-ブチル、p-ヒドロキシ安息香酸n-オクチル、レゾルシン、没食子酸ドデシル、2,2-ビス(4-ヒドロキシフェニル)プロパン、4,4-ジヒドロキシジフェニルスルホン、1,1-ビス(4-ヒドロキシフェニル)エタン、2,2-ビス(4-ヒドロキシ-3-メチルフェニル)プロパン、ビス(4-ヒドロキシフェニル)スルフィド、1-フェニル-1,1-ビス(4-ヒドロキシフェニル)エタン、1,1-ビス(4-ヒドロキシフェニル)-3-メチルブタン、1,1-ビス(4-ヒドロキシフェニル)-2-メチルプロパン、1,1-ビス(4-ヒドロキシフェニル)n-ヘキサン、1,1-ビス(4-ヒドロキシフェニル)n-ヘプタン、1,1-ビス(4-ヒドロキシフェニル)n-オクタン、1,1-ビス(4-ヒドロキシフェニル)n-ノナン、1,1-ビス(4-ヒドロキシフェニル)n-デカン、1,1-ビス(4-ヒドロキシフェニル)n-ドデカン、1,1-ビス(4-ヒドロキシフェニル)2-エチルヘキサン、2,2-ビス(4-ヒドロキシフェニル)ブタン、2,2-ビス(4-ヒドロキシフェニル)エチルプロピオネート、2,2-ビス(4-ヒドロキシフェニル)-4-メチルペンタン、2,2-ビス(4-ヒドロキシフェニル)ヘキサフルオロプロパン、2,2-ビス(4-ヒドロキシフェニル)n-ヘプタン、2,2-ビス(4-ヒドロキシフェニル)n-ノナン。
式中のnは0又は1を示し、好ましくは1である。
式中のXは、水素原子、炭素数1乃至4のアルキル基、炭素数1乃至4のアルコキシ基、ハロゲン原子のいずれかを示すが、好ましくは、水素原子、炭素数1乃至4のアルキル基であり、より好ましくは水素原子、炭素数1又は2のアルキル基である。
前記側鎖にカルボキシル基を有する櫛型高分子分散剤としては、側鎖に複数のカルボキシル基を有する櫛型高分子化合物であれば特に限定されるものではないが、側鎖に複数のカルボキシル基を有するアクリル高分子化合物が好適であり、前記化合物として日本ルーブリゾール社製の商品名:ソルスパース43000を例示できる。
前記摩擦部材は筆記具と別体の任意形状の部材(摩擦体)とを組み合わせて筆記具セットを得ることもできるが、筆記具に摩擦部材を設けることにより、携帯性に優れる。
(1)玩具類
人形又は動物形象玩具、人形又は動物形象玩具用毛髪、人形の家や家具、衣類、帽子、鞄、および靴等の人形用付属品、アクセサリー玩具、ぬいぐるみ、描画玩具、玩具用絵本、ジグソーパズル等のパズル玩具、積木玩具、ブロック玩具、粘土玩具、流動玩具、こま、凧、楽器玩具、料理玩具、鉄砲玩具、捕獲玩具、背景玩具および乗物、動物、植物、建築物、および食品等を模した玩具等、
(2)衣類
Tシャツ、トレーナー、ブラウス、ドレス、水着、レインコート、およびスキーウェア等の被服、靴や靴紐等の履物、ハンカチ、タオル、およびふろしき等の布製身の回り品、手袋、ネクタイ、帽子等、
(3)屋内装飾品
絨毯、カーテン、カーテン紐、テーブル掛け、敷物、クッション、額縁、造花、写真立て等、
(4)家具
布団、枕、マットレス等の寝具、照明器具および冷暖房器具等、
(5)装飾品
指輪、腕輪、ティアラ、イヤリング、髪止め、付け爪、リボン、およびスカーフ等時計、眼鏡等、
(6)文房具類
筆記具、スタンプ具、消しゴム、下敷き、定規、粘着テープ等、
(7)日用品
口紅、アイシャドー、マニキュア、染毛剤、付け爪、付け爪用塗料等の化粧品、歯ブラシ等、
(8)台所用品
コップ、皿、箸、スプーン、フォーク、鍋、フライパン等、
(9)その他
カレンダー、ラベル、カード、記録材、および偽造防止用の各種印刷物、絵本等の書籍、鞄、包装用容器、刺繍糸、運動用具、釣り具、コースター、楽器、カイロ、蓄冷剤、財布等の袋物、傘、乗物、建造物、温度検知用インジケーター、および教習具等。
各実施例における感温変色性色彩記憶性組成物及びそれを内包したマイクロカプセル顔料の製造方法と、感温変色性色彩記憶性組成物及びマイクロカプセル顔料の温度変化によるヒステリシス特性の測定方法について説明する。なお、実施例中の部は質量部を表す。
感温変色性色彩記憶性組成物の調製方法
成分(a)として、3-(2-エトキシ-4-ジエチルアミノフェニル)-3-(1-エチル-2-メチルインドール-3-イル)-4-アザフタリド1部、成分(b)として、2,2-ビス(4-ヒドロキシフェニル)ヘキサフルオロプロパン2部、成分(c)として、4-フェニル安息香酸デシル(化合物1)50部からなる三成分を混合し、加温して均質に溶解して感温変色性色彩記憶性組成物を得た。前記感温変色性色彩記憶性組成物は青色から無色に変色するものであった。
前記感温変色性色彩記憶性組成物を内径1mm、長さ78mmの透明ガラス製毛細管に、毛細管底部から約10mmの高さまで封入し、測定試料を得た。
前記測定試料の感温変色性色彩記憶性組成物を封入した部分全体を透明熱媒体の中に浸漬し、透明熱媒体の温度を変化させながら、感温変色性色彩記憶性組成物の変色状態を目視で観察して、T1(完全発色温度)、T2(発色開始温度)、T3(消色開始温度)、T4(完全消色温度)を測定し、TH〔T1とT2の中間の温度(T1+T2)/2〕、TG〔T3とT4の中間の温度(T3+T4)/2〕、ΔH(ヒステリシス幅TG-TH)を求めた。
以下の表に記載した感温変色性色彩記憶性組成物の成分(a)、成分(b)、成分(c)と、各成分の配合量に変更した以外は実施例1と同一方法で、実施例2~9の感温変色性色彩記憶性組成物を調製し、実施例1と同様にして変色温度を測定した。
感温変色性色彩記憶性マイクロカプセル顔料の調製方法
成分(a)として3-(2-エトキシ-4-ジエチルアミノフェニル)-3-(1-エチル-2-メチルインドール-3-イル)-4-アザフタリド1部、成分(b)として2,2-ビス(4-ヒドロキシフェニル)ヘキサフルオロプロパン5部、成分(c)として4-フェニル安息香酸ラウリル(化合物3)50部からなる感温変色性色彩記憶性組成物を混合し、均一に加温溶解し、さらに壁膜材料として芳香族多価イソシアネートプレポリマー20部、酢酸エチル40部を混合した溶液を15%ゼラチン水溶液100部中に投入し、微小滴になるように乳化分散した。
前記感温変色性色彩記憶性マイクロカプセル顔料40部を、エチレン-酢酸ビニル樹脂エマルジョン50部、レベリング剤1部、消泡剤1部、粘度調整剤0.5部、水7.5部からなる水性インキビヒクルに均一に分散させて感温変色性色彩記憶性インキを調製した。前記インキで上質紙にベタ柄をスクリーン印刷して測定試料を得た。
前記測定試料を色差計(TC-3600型色差計、東京電色株式会社製)の測定部分にセットし、試料部分を10℃/分の速度で昇温、降温させ、各温度における色濃度として明度値を測定し、色濃度-温度曲線を作成した。前記色濃度-温度曲線よりT1、T2、T3、T4、TH〔T1とT2の中間の温度(T1+T2)/2〕、TG〔T3とT4の中間の温度(T3+T4)/2〕、ΔH(ヒステリシス幅TG-TH)を求めた。前記感温変色性色彩記憶性マイクロカプセル顔料はT1:-6℃、T2:0℃、T3:43℃、T4:49℃、TH:-3℃、TG:46℃、ΔH:49℃のヒステリシス特性を示した。
マイクロカプセルに内包させる感温変色性色彩記憶性組成物の成分(a)、成分(b)、成分(c)成分、及びそれらの配合量を、以下の表3に記載した化合物と配合量に変更した以外は実施例10と同一の方法により実施例11~21の感温変色性色彩記憶性マイクロカプセル顔料を調製し、実施例10と同様にしてヒステリシス特性を測定した。
実施例10で調製した感温変色性色彩記憶性マイクロカプセル顔料(予め-6℃以下に冷却して青色に発色させたもの)30部をアクリル系樹脂エマルジョン(固形分45%)60部、粘度調整剤1部、消泡剤0.2部、水8.8部からなる水性インキビヒクルに均一に分散させてインキ組成物1(印刷インキ)を調製した。
実施例11で調製した感温変色性色彩記憶性マイクロカプセル顔料5部、分散剤1部、非熱変色性ピンク色顔料0.1部、ポリプロピレンホモポリマー93.9部をエクストルーダーにて180℃で溶融混合して成形用樹脂組成物(ペレット)を得た。
実施例14で調製した感温変色性色彩記憶性マイクロカプセル顔料2.5部及び非熱変色性蛍光ピンク色顔料1.5部を、塩化ビニル-酢酸ビニル共重合樹脂12.5部、キシレン38.3部、酢酸ブチル45部、粘度調整剤0.2部からなる油性インキビヒクルに均一に分散させてインキ組成物2(塗料)を調製した。
実施例15で調製した感温変色性色彩記憶性マイクロカプセル顔料27部(予め-9℃以下に冷却して青色に発色させたもの)を、サクシノグリカン(剪断減粘性付与剤)0.3部、糖混合物〔三和澱粉工業(株)製、商品名:サンデック70〕3.0部、リン酸エステル系界面活性剤0.5部、防黴剤0.1部、トリエタノールアミン1.0部、水68.1部ビヒクルに均一に分散させてインキ組成物3(筆記具用インキ)を調製した。
前記筆記具用インキをポリプロピレン製パイプからなるインキ収容管に吸引充填し、樹脂製ホルダーを介して0.5mmステンレス鋼ボールを先端に抱持したボールペンチップと連結させた。
前記筆跡は、軸筒後端部に設けたSEBS樹脂製の摩擦部材を用いて摩擦すると、該文字は消色して無色となり、この状態は室温下で維持することができた。
実施例16で調製した感温変色性色彩記憶性マイクロカプセル顔料20部(予め-9℃以下に冷却してピンク色に発色させたもの)を、アクリル系樹脂エマルジョン(固形分40%)78.0部、消泡剤2.0部からなる水性インキビヒクルに均一に分散させてインキ組成物4(印刷インキ)を調製した。
実施例18で調製した感温変色性色彩記憶性マイクロカプセル顔料27部(予め-19℃以下に冷却して青色に発色させたもの)を、キサンタンガム(剪断減粘性付与剤)0.33部、尿素10.0部、グリセリン10部、ノニオン系界面活性剤0.6部、変性シリコーン系消泡剤0.1部、防黴剤0.2部、水51.77部からなる水性インキビヒクルに均一に分散させてインキ組成物5(筆記具用インキ)を調製した。
前記筆記具用インキをポリプロピレン製パイプに吸引充填し、樹脂製ホルダーを介して0.5mmステンレス鋼ボールを先端に抱持したボールペンチップと連結させた。
実施例20で調製した感温変色性色彩記憶性マイクロカプセル顔料25部(予め-19℃以下に冷却して青色に発色させたもの)、ヒドロキシエチルセルロース0.5部、櫛型高分子分散剤〔日本ルーブリゾール(株)製、商品名:ソルスパース43000〕0.2部、有機窒素硫黄化合物〔北興化学工業(株)製、商品名:ホクサイドR-150、2-メチル-4-イソチアゾリン-3-オンと5-クロロ-2-メチル-4-イソチアゾリン-3-オンの混合物〕1.0部、ポリビニルアルコール0.5部、グリセリン25.0部、消泡剤0.02部、水47.78部を混合してインキ組成物6(筆記具用インキ)を得た。
ポリエステルスライバーを合成樹脂フィルムで被覆したインキ吸蔵体内に前記筆記具用インキを含浸させ、ポリプロピレン樹脂からなる軸筒内に収容し、ホルダーを介して軸筒先端部にポリエステル繊維の樹脂加工ペン体(砲弾型)と接続状態に組み立て、キャップを装着して筆記具(マーキングペン)を得た。
前記軸筒後端部には摩擦部材としてSEBS樹脂を装着してなる。
実施例21で調製した感温変色性色彩記憶性マイクロカプセル顔料(予め-18℃以下に冷却して青色に発色させたもの)を用いた以外は応用例4と同様の方法によりインキ組成物7(筆記具用インキ)を調製し、応用例4と同様の方法で筆記具(出没式ボールペン)を作製した。
実施例21で調製した感温変色性色彩記憶性マイクロカプセル顔料(予め-18℃以下に冷却して青色に発色させたもの)を用いた以外は応用例6と同様にしてインキ組成物8(筆記具用インキ)を調製し、応用例6と同様の方法で筆記具(ボールペン)を得た。
前記筆記具用インキを用いて紙面に筆記して青色の文字(筆跡)を形成した。前記筆跡は、室温(25℃)では青色を呈しており、摩擦体を用いて文字を擦過すると、該文字は消色して無色となり、この状態は室温下で維持することができた。
実施例21で調製した感温変色性色彩記憶性マイクロカプセル顔料(予め-18℃以下に冷却して青色に発色させたもの)を用いた以外は応用例7と同様にしてインキ組成物9(筆記具用インキ)を調製し、応用例7と同様の方法で筆記具(マーキングペン)を得た。
T2 発色開始温度
T3 消色開始温度
T4 完全消色温度
ΔH ヒステリシス幅
Claims (13)
- 前記電子供与性呈色性有機化合物が、フタリド化合物、フルオラン化合物、スチリノキノリン化合物、ジアザローダミンラクトン化合物、ピリジン化合物、キナゾリン化合物、ビスキナゾリン化合物からなる群より選ばれる化合物である、請求項1記載の感温変色性色彩記憶性組成物。
- 前記電子受容性化合物が、活性プロトンを有する化合物群、偽酸性化合物群、電子空孔を有する化合物群から選択される化合物群である請求項1又は2記載の感温変色性色彩記憶性組成物。
- 前記Rが、炭素数7乃至18のアルキル基、炭素数5乃至11のシクロアルキルアルキル基、炭素数5乃至8のシクロアルキル基及び炭素数7乃至18のアルケニル基からなる群より選択される、請求項1~4のいずれか一項に記載の感温変色性色彩記憶性組成物。
- 前記感温変色性色彩記憶性組成物における前記成分(a)、成分(b)および成分(c)の構成割合が、成分(a)1質量部に対して、成分(b)0.1~50質量部、好ましくは0.5~20質量部、より好ましくは2~20質量部、成分(c)1~800質量部、好ましくは5~200質量部、より好ましくは10~200質量部である、請求項1~5のいずれか一項に記載の感温変色性色彩記憶性組成物。
- 請求項1~6のいずれか一項に記載の感温変色性色彩記憶性組成物を含んでなることを特徴とする感温変色性色彩記憶性マイクロカプセル顔料。
- 請求項7に記載の感温変色性色彩記憶性マイクロカプセル顔料を含んでなることを特徴とする、インキ組成物。
- 前記の感温変色性色彩記憶性マイクロカプセル顔料含有量が、前記インキ組成物の全質量に対し5~40質量%、好ましくは10~40質量%、さらに好ましくは10~30質量%である、請求項8に記載のインキ組成物。
- 請求項8または9に記載のインキ組成物を収容した軸筒及び前記軸筒内の前記インキ組成物を導出するペン体を備えてなることを特徴とする、筆記具。
- 前記ペン体が、ボールペン体又はマーキングペン体である、請求項10に記載の筆記具。
- 摩擦部材をさらに備えてなる、請求項10又は11に記載の筆記具。
- 請求項10は11に記載の筆記具と、摩擦体を備えてなることを特徴とする筆記具セット。
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Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005001369A (ja) | 2003-05-16 | 2005-01-06 | Pilot Ink Co Ltd | 感温変色性色彩記憶性組成物及びそれを内包した感温変色性色彩記憶性マイクロカプセル顔料 |
JP2006137886A (ja) | 2004-11-15 | 2006-06-01 | Pilot Ink Co Ltd | 感温変色性色彩記憶性組成物及びそれを内包した感温変色性色彩記憶性マイクロカプセル顔料 |
JP2006188660A (ja) | 2004-12-08 | 2006-07-20 | Pilot Ink Co Ltd | 感温変色性色彩記憶性組成物及びそれを内包した感温変色性色彩記憶性マイクロカプセル顔料 |
JP2011153321A (ja) * | 2011-05-06 | 2011-08-11 | Pilot Ink Co Ltd | 可逆熱変色性水性インキ組成物及びそれを用いた筆記具 |
WO2012046837A1 (ja) * | 2010-10-07 | 2012-04-12 | パイロットインキ株式会社 | 感温変色性色彩記憶性組成物及びそれを内包した感温変色性色彩記憶性マイクロカプセル顔料 |
JP2012102206A (ja) * | 2010-11-09 | 2012-05-31 | Sakura Color Products Corp | 変色性インキ組成物および筆記具 |
JP2012188648A (ja) * | 2011-02-24 | 2012-10-04 | Sakura Color Products Corp | 感温変色性組成物 |
JP2013010812A (ja) * | 2011-06-28 | 2013-01-17 | Sakura Color Products Corp | 熱変色性組成物および熱変色性インキ組成物 |
JP2013052684A (ja) * | 2008-02-19 | 2013-03-21 | Pilot Ink Co Ltd | 電子ペン及びそれに用いる交換用ペンユニット |
WO2013061814A1 (ja) * | 2011-10-25 | 2013-05-02 | 株式会社パイロットコーポレーション | 可逆熱変色性組成物 |
Family Cites Families (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS60264285A (ja) | 1984-06-13 | 1985-12-27 | Pilot Ink Co Ltd | 可逆性感熱記録組成物 |
US5480482A (en) | 1991-11-04 | 1996-01-02 | The United States Of America As Represented By The Secretary Of The Navy | Reversible thermochromic pigments |
GB2280681B (en) * | 1993-08-06 | 1998-03-11 | Merck Patent Gmbh | Thermochromic media |
JPH09208850A (ja) | 1996-02-06 | 1997-08-12 | Pilot Ink Co Ltd | 可逆性熱変色組成物の消色時の耐光性を向上する方法 |
JP5638336B2 (ja) | 2010-10-06 | 2014-12-10 | パイロットインキ株式会社 | パステル調可逆熱変色性筆記具用インキ組成物及びそれを用いた筆記具、筆記具セット |
JP6223898B2 (ja) * | 2014-04-24 | 2017-11-01 | 株式会社パイロットコーポレーション | スタンプ用水性インキ組成物及びそれを内蔵したスタンプ |
JP2015209444A (ja) * | 2014-04-24 | 2015-11-24 | 株式会社パイロットコーポレーション | 可逆熱変色性スタンプ用インキ組成物及びそれを内蔵したスタンプ |
WO2015163421A1 (ja) * | 2014-04-24 | 2015-10-29 | 株式会社パイロットコーポレーション | 可逆熱変色性スタンプ用インキ組成物及びスタンプ |
JP2015232098A (ja) * | 2014-06-10 | 2015-12-24 | 株式会社パイロットコーポレーション | 固形筆記体及びそれを用いた固形筆記体セット |
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2014
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Patent Citations (10)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005001369A (ja) | 2003-05-16 | 2005-01-06 | Pilot Ink Co Ltd | 感温変色性色彩記憶性組成物及びそれを内包した感温変色性色彩記憶性マイクロカプセル顔料 |
JP2006137886A (ja) | 2004-11-15 | 2006-06-01 | Pilot Ink Co Ltd | 感温変色性色彩記憶性組成物及びそれを内包した感温変色性色彩記憶性マイクロカプセル顔料 |
JP2006188660A (ja) | 2004-12-08 | 2006-07-20 | Pilot Ink Co Ltd | 感温変色性色彩記憶性組成物及びそれを内包した感温変色性色彩記憶性マイクロカプセル顔料 |
JP2013052684A (ja) * | 2008-02-19 | 2013-03-21 | Pilot Ink Co Ltd | 電子ペン及びそれに用いる交換用ペンユニット |
WO2012046837A1 (ja) * | 2010-10-07 | 2012-04-12 | パイロットインキ株式会社 | 感温変色性色彩記憶性組成物及びそれを内包した感温変色性色彩記憶性マイクロカプセル顔料 |
JP2012102206A (ja) * | 2010-11-09 | 2012-05-31 | Sakura Color Products Corp | 変色性インキ組成物および筆記具 |
JP2012188648A (ja) * | 2011-02-24 | 2012-10-04 | Sakura Color Products Corp | 感温変色性組成物 |
JP2011153321A (ja) * | 2011-05-06 | 2011-08-11 | Pilot Ink Co Ltd | 可逆熱変色性水性インキ組成物及びそれを用いた筆記具 |
JP2013010812A (ja) * | 2011-06-28 | 2013-01-17 | Sakura Color Products Corp | 熱変色性組成物および熱変色性インキ組成物 |
WO2013061814A1 (ja) * | 2011-10-25 | 2013-05-02 | 株式会社パイロットコーポレーション | 可逆熱変色性組成物 |
Cited By (16)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPWO2016027664A1 (ja) * | 2014-08-18 | 2017-07-13 | パイロットインキ株式会社 | 感温変色性色彩記憶性組成物及びそれを内包した感温変色性色彩記憶性マイクロカプセル顔料 |
FR3037236A1 (fr) * | 2015-06-12 | 2016-12-16 | Ink And Out Sas | Microcapsules et composition de maquillage ou de tatouage thermochromiques |
WO2016198784A1 (fr) * | 2015-06-12 | 2016-12-15 | Ink And Out Sas | Microcapsules et composition de maquillage ou de tatouage thermochromiques |
US10358570B2 (en) | 2015-08-03 | 2019-07-23 | The Pilot Ink Co., Ltd. | Thermochromic color-memory composition and thermochromic color-memory microcapsule pigment encapsulating same |
JPWO2017022471A1 (ja) * | 2015-08-03 | 2018-06-28 | パイロットインキ株式会社 | 感温変色性色彩記憶性組成物及びそれを内包した感温変色性色彩記憶性マイクロカプセル顔料 |
EP3333240A4 (en) * | 2015-08-03 | 2019-04-17 | The Pilot Ink Co., Ltd | COLOR MEMORY THERMOCHROME COMPOSITION AND THERMOCHROME MEMORY MICROCAPSULE PIGMENT ENCAPSULANT |
WO2017022471A1 (ja) * | 2015-08-03 | 2017-02-09 | パイロットインキ株式会社 | 感温変色性色彩記憶性組成物及びそれを内包した感温変色性色彩記憶性マイクロカプセル顔料 |
WO2018155583A1 (ja) | 2017-02-27 | 2018-08-30 | パイロットインキ株式会社 | 感温変色性色彩記憶性組成物及びそれを内包した感温変色性色彩記憶性マイクロカプセル顔料 |
JPWO2018155583A1 (ja) * | 2017-02-27 | 2019-12-19 | パイロットインキ株式会社 | 感温変色性色彩記憶性組成物及びそれを内包した感温変色性色彩記憶性マイクロカプセル顔料 |
JP7068267B2 (ja) | 2017-02-27 | 2022-05-16 | パイロットインキ株式会社 | 感温変色性色彩記憶性組成物及びそれを内包した感温変色性色彩記憶性マイクロカプセル顔料 |
US11384247B2 (en) | 2017-02-27 | 2022-07-12 | Kabushiki Kaisha Pilot Corporation | Thermochromic color-memory composition and thermochromic color-memory microcapsule pigment encapsulating the same |
TWI825008B (zh) * | 2017-02-27 | 2023-12-11 | 日商百樂墨水股份有限公司 | 感溫變色性色彩記憶性組合物及內包有其之感溫變色性色彩記憶性微膠囊顏料 |
CN110637076A (zh) * | 2017-04-27 | 2019-12-31 | 法国比克公司 | 热致变色颜料组合物 |
JP2020521871A (ja) * | 2017-05-25 | 2020-07-27 | アクチボン カンパニー,リミテッド | 過熱防止非可逆的感温変色成形体およびその製造方法 |
JP7082192B2 (ja) | 2017-05-25 | 2022-06-07 | アクチボン カンパニー,リミテッド | 過熱防止非可逆的感温変色成形体およびその製造方法 |
JP2018203933A (ja) * | 2017-06-07 | 2018-12-27 | 三菱鉛筆株式会社 | 筆記具用水性インク組成物 |
Also Published As
Publication number | Publication date |
---|---|
US20160130455A1 (en) | 2016-05-12 |
TWI619776B (zh) | 2018-04-01 |
JPWO2014200053A1 (ja) | 2017-02-23 |
JP6316809B2 (ja) | 2018-04-25 |
EP3009493A4 (en) | 2017-03-08 |
EP3009493A1 (en) | 2016-04-20 |
US9695329B2 (en) | 2017-07-04 |
TW201504362A (zh) | 2015-02-01 |
CN105308150A (zh) | 2016-02-03 |
EP3009493B1 (en) | 2018-01-31 |
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