WO2006014004A1 - 水性インキ組成物 - Google Patents
水性インキ組成物 Download PDFInfo
- Publication number
- WO2006014004A1 WO2006014004A1 PCT/JP2005/014511 JP2005014511W WO2006014004A1 WO 2006014004 A1 WO2006014004 A1 WO 2006014004A1 JP 2005014511 W JP2005014511 W JP 2005014511W WO 2006014004 A1 WO2006014004 A1 WO 2006014004A1
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- WO
- WIPO (PCT)
- Prior art keywords
- white
- ink
- film
- ball
- particles
- Prior art date
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Classifications
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K7/00—Ball-point pens
-
- 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
Definitions
- the present invention relates to a water-based ink composition capable of forming an erasing handwriting that is a raised three-dimensional handwriting and a writing instrument including the ink.
- Patent Document 1 JP-A-63-273672, page 1 and page 4, lower right column, lines 12 to 15
- the ink of the above-mentioned patent document uses a light and fine powder filler and is solidified with a binder to form a three-dimensional handwriting, and the light and fine powder filler constitutes a three-dimensional film-forming component.
- An object of the present invention is to provide a water-based ink composition capable of forming a satisfactorily handwritten three-dimensional handwriting without blending a light-weight fine powder filler. is there.
- the present invention is based on the fact that the dispersion of white rosin particles is 2.5 to 50% by weight based on the total amount of ink,
- the film-forming rosin emulsion contains 2.5 to 50% by weight of solids
- the ratio of the white rosin particles to the film-forming rosin emulsion is 1: 0.2 to 1: 3 in solids, and
- the ink for a writing instrument of the present invention provides a matte handwriting by defining the solid content ratio of white rosin particles and rosin emulsion, and the white rosin particles and the film-forming rosin are obtained.
- a raised handwriting can be formed by increasing the solid content of emulsion.
- the ink for a writing instrument of the present invention can form a solid erasable handwriting that is sufficiently raised without blending a lightweight fine powder filler.
- FIG. 1 is a cross-sectional view of a core using an embodiment of a ballpoint pen tip according to the writing instrument of the present invention.
- FIG. 2 is a cross-sectional view of the Bono Repen tip.
- FIG. 3 (a) is a cross-sectional view of the tip portion of the ballpoint pen tip.
- (B) is AA sectional drawing of (a).
- FIG. 6 is an enlarged view of part G in FIG.
- FIG. 7 is a cross-sectional view showing another form of the tip portion of the ballpoint pen tip that works on the writing instrument of the present invention.
- FIG. 8 is an enlarged cross-sectional view of the relevant part.
- Examples of the white resin particles used in the present invention include a trade name “MR2G” (Soken Chemical Co., Ltd., solid (solid) white resin particles, average particle diameter 1. O / z m) force S.
- the product name “Muticle PP240D” Mitsubishi Chemical Co., Ltd., flat white rosin particles, dispersion, average particle size: 0.5 m
- product name “Robeik Ultra” (Rohm & Haas) Manufactured, hollow white resin particles, dispersion, average particle size: 0.3 m).
- the product name “Robeik HP1055” (Rohm & Haas, hollow white rosin particles, dispersion, average particle size 1.
- acrylic resin emulsions examples include “Boncoat 3218” (Dainippon Ink Chemical Co., Ltd.), “Boncoat R137” (Dainippon Ink Chemical Co., Ltd.), “Boncoat AN865J (Dainippon Ink Chemical Co., Ltd.) And “Boncoat AB883” (Dainippon Ink Chemical Co., Ltd.).
- urethane-based resin emulsions examples include "U-coat UW145” (manufactured by Sanyo Kasei Co., Ltd.), “U-coat UX2505" (manufactured by Sanyo Kasei Co., Ltd.), and the brand name "Superflex 107M” (manufactured by Daiichi Kogyo Seiyaku Co., Ltd.). “Superflex 361” (Daiichi Kogyo Seiyaku Co., Ltd.) and “Superflex 500” (Daiichi Kogyo Seiyaku Co., Ltd.).
- acrylic emulsion can be preferably used.
- This film-forming resin emulsion is preferably contained in an amount of 2.5 to 50% by weight, particularly 5 to 30% by weight, based on the total amount of the ink. If this resin emulsion is less than 2.5% by weight based on the total amount of ink, the solid content is too low, resulting in a decrease in the swell of the handwriting, and the handwriting becomes glossy and immediately disappears. It becomes difficult to form handwriting. If the film-forming resin emulsion exceeds 50% by weight based on the total amount of ink in the solid content, the resin particles are excessively present, resulting in poor stability over time of the ink, and gloss tends to occur in the handwriting. It becomes difficult to form a handwriting of erasing.
- the film-forming rosin emulsion In order to ensure the stability of ink over time and the swell of handwriting, and to form erasable handwriting, the film-forming rosin emulsion must contain 5-30% by weight of solids based on the total amount of ink. desirable.
- the film-forming rosin emulsion contains water.
- the solid content ratio between the white rosin particles and the rosin emulsion is 1: 0.2 to 1: 3 is important for matting the handwriting.
- White rosin grains When the rosin emulsion is too much or too little than the numerical range, the handwriting tends to be glossy.
- the ratio of the white rosin particles to the film-forming rosin emulsion is 1: 0.5 to 1: 2 in terms of solid content because the handwriting can be made more matte.
- the total solid content of both the white rosin particles and the film-forming rosin emulsion is 20% by weight or more based on the total amount of S ink. .
- a colored colorant can be further used.
- the colorant used in the present invention include water-soluble dyes such as acid dyes, direct dyes and basic dyes, inorganic pigments such as carbon black, titanium oxide, alumina silica and talc, azo pigments, Naphthol pigments, phthalocyanine pigments, selenium pigments, quinacridone pigments, anthraquinone pigments, dioxane pigments, dioxazine pigments, indigo pigments, thioindigo pigments, perinone pigments, perylene pigments, indolenone pigments
- organic pigments such as pigments and azomethine pigments
- metal powder pigments such as aluminum powder and bronze powder, fluorescent pigments, pearl pigments and glitter pigments can be used. These can also be used as a pigment dispersion.
- these colorants may be used alone or in combination of two or more.
- the bright pigment examples include, for example, metal-coated glass flake pigment, metal-coated inorganic pigment, metal oxide-coated inorganic pigment, metal powder pigment such as aluminum powder pigment, metal foil, and metal-deposited film, Examples thereof include a metal vapor deposition film (for example, a metal vapor deposition film obtained by peeling off a metal vapor deposition layer deposited on a film).
- the metallic glass flake pigment is defined as a pigment having a structural shape in which flaky glass is coated with a metal (alloy).
- the metal-coated inorganic pigment is defined as a generic term for inorganic pigments coated with a metal (alloy).
- An inorganic pigment coated with a metal oxide for example, a metal pigment such as aluminum coated with a metal oxide
- concealing pigments such as various inorganic pigments or organic white pigments such as a titanium oxide and an alkylene bismelamine derivative having a concealing property may be used alone or in combination.
- scaly silica can be used as a colorant. Scaly silica has the effect of enhancing the concealment property in combination with white rosin particles, and has a higher matting effect.
- flaky silica since flaky silica has a flaky shape, it has a property that does not impair the dispersion stability of ink that hardly settles with time. As the flaky silica, powder and slurry are commercially available.
- the colorant used in the present invention is 0.01 to 20% by weight, preferably 0.01 or more and less than 15% by weight, more preferably 0.01 to 10% by weight, based on the total amount of the water-based ink composition. It is preferably included. When the colorant is less than 0.01% by weight in the total amount of the composition, it is difficult to visually recognize the colorant. When the colorant exceeds 20% by weight in the total amount of the composition, the viscosity is excessively increased and the fluidity is lowered.
- flavor can be included in the ink of this invention.
- the fragrance By including the fragrance, it is possible to form a film with an erased handwriting that can maintain the fragrance of the fragrance while giving off a three-dimensional fragrance.
- the fragrance is a general oily fragrance
- the fragrance is usually not mixed with water. Therefore, in order to use it as it is in an aqueous system, it is necessary to reduce its addition amount or add a solvent.
- the fragrance is included in the ink composition, the composition contains the film-forming synthetic resin emulsion, and therefore exists as this emulsion! /
- the water-based ink composition can contain the fragrance particles of the film-forming synthetic resin emulsion in which the fragrance is incorporated and the fragrance is incorporated.
- the perfume which is an oil component, does not separate.
- the fragrance of the fragrance can be maintained as much as possible while being released, and a large amount of fragrance can be included, so that the fragrance of the fragrance can be maintained and the strength and intensity of the fragrance can be controlled.
- a film can be formed.
- Preferred fragrances that can be used in the present invention include plum NS—D5972, cherry blossom NS—D5973, chrysanthemum NS—D5974, bellflower NS—D5975, wisteria NS-D596, Perlume NS-D5882 (mint), Perfome NS—D5929 (Musk), Grapefruit NS— F5239, Strawberry NS — F5240, Lemon NS— G5883, Ulutramarine NS— G5885, Peppermint NS— F5241, Peach NS— F5242, Orange NS— F5243, Green Apple NS— F5244, Blueberry NS— F5245, LavenderNS— F5246, Vanilla NS— F5247, Banana NS -F 5248, Soap NS— F5249, Perlume NS— F5210, Jasmin NS — D5812, Plum NS— D5972, Citrus NS— D5499, Rose NS—
- This perfume has a good weight ratio of the solid content of the adhesive synthetic resin emulsion to the perfume in order to improve the incorporation of the perfume into the emulsion particles of the emulsion and to give off a good perfume. It is preferable to contain so that it may become 1-40: 1.
- the ink of the present invention contains water. Water is preferably contained in an amount of 20 to 80% by weight based on the total amount of the ink composition.
- the ink contains water and may contain a water-soluble organic solvent, a surfactant, an antiseptic / antifungal agent, an antifungal agent, an antifoaming agent, a thickener, and the like. Water is blended as the balance of the components contained in the ink composition.
- a water-soluble thickener for example, a microbial polysaccharide and its derivative are used. For example, pullulan, xanthan gum, uelang gum, ramzan gum, succinoglucan, dextran and the like can be exemplified.
- water-soluble plant polysaccharides and derivatives thereof are used.
- traganci gum gua gum, tara gum, locust bean gum, gati gum, arabino galata tongue gum, gum arabic, Thaise seed gum, pectin, starch, silium seed gum, pectin, carrageenan, alginic acid, agar Etc.
- water-soluble animal polysaccharides and derivatives thereof are used.
- gelatin, casein, and albumin can be exemplified.
- water-soluble thickening resins water-soluble resins (acrylic water-soluble resins, styrene-acrylic water-soluble resins, styrene-maleic acid-based water-soluble resins, etc.) thorium salt, ammonium salt Etc.) and water-dispersed resins can also be used.
- microbial polysaccharides and derivatives thereof can be preferably used.
- the water-soluble thickening resin can be used alone or in combination of two or more. The viscosity can be adjusted by using the above thickener.
- metal-coated glass flake pigments metal-coated inorganic pigments, metal oxide-coated inorganic pigments, metal powder pigments such as aluminum powder pigments, metal foil, metal-deposited films, metal-deposited films, etc.
- metal powder pigments such as aluminum powder pigments, metal foil, metal-deposited films, metal-deposited films, etc.
- the above thickener is preferably 0.01 to 5% by weight, more preferably 0.001 to LO weight% based on the total amount of ink. More preferably, the viscosity should be adjusted to such an extent that a three-dimensional handwriting that preferably contains 3% by weight or less, optimally 1% by weight or less can be formed. Ink's preferred viscosity is 5 ⁇ 100111? &'5 1 ⁇ 3 type viscometer. 34, cone mouth, 10rpm, 20 ° C).
- the viscosity is 100 to 10,000 mPa's (ELD viscometer, (lOOOmPa's or less; 1 ° 34, cone rotor, lOOOmPa's Above: 3 ° cone rotor), 0.5 rpm, 20 ° C. are preferred.
- ELD viscometer (lOOOmPa's or less; 1 ° 34, cone rotor, lOOOmPa's Above: 3 ° cone rotor)
- 0.5 rpm, 20 ° C. are preferred.
- it is less than lOOmPa's sedimentation of scaly silica is likely to occur.
- it exceeds lOOOOmPa's there is a drawback that the ink spillage is reduced and the handwriting is difficult to swell.
- the ink of the present invention In order to produce the ink of the present invention, a known ink production method commonly used in this field is used. The law can be used. If necessary, a step of removing coarse particles such as filtration may be added. For example, the desired ink can be obtained by adding all the raw materials and stirring for 30 minutes with a dissolver.
- the amount of the ink of the present invention flowing out from the nib is preferably at least 50 mg ZlOm, that is, the amount of flow when writing 10 m is 50 mg or more (detailed conditions are As described in the measurement method in the examples below.)
- the ink outflow from the pen tip is optimally lOOmgZlOm or more.
- the handwriting surface is flat and it is difficult to form an erased three-dimensional handwriting.
- the upper limit of the amount of ink flowing out of the nib is not limited, but in order to obtain a preferable three-dimensional handwriting, it is desirably 800 mgZlOm or less, more preferably 500 mgZlOm or less.
- the amount of the ink of the present invention flowing out from the pen tip exceeds 800 mgZl0m, drying is extremely slow, and the handwriting becomes too thick and the characters are crushed. ! /
- the viscosity of the ink is 5 to 1 OOmPa-s, preferably 5 to 50mPa's, as described above.
- the ink of the present invention having a viscosity of 5 mPa ′s or more and less than 50 mPa ′s is preferable.
- the viscosity of the ink of the present invention is determined using an ELD viscometer. 34, measured with cone rotor, 10 rpm, 20 ° C.
- a writing instrument such as a so-called ink-free ballpoint pen provided with a pen tip is preferable. More specifically, a pen tip and an ink cylinder are provided, and a water-based ink composition is accommodated inside the ink cylinder.
- the ink composition is based on the total amount of ink.
- the film-forming rosin emulsion contains 2.5 to 50% by weight of solids
- the ratio of the white rosin particles to the film-forming rosin emulsion is 1: 0.2 to 1: 3 in solids, and
- the white solid particles and the film-forming resin emulsion have a total solid content of 20% by weight.
- a writing instrument provided with a pen tip in which the amount of ink flowing out of the pen tip is at least 50 mg / 1 Om.
- the writing instrument of the present invention has a flow path through which the ink of the various aspects of the present invention flows out, where the pen nib is not the nib of the fiber bundle pen nib formed by resin molding, and a valve body such as a ball. Therefore, since the ink outflow amount from the nib is at least 50 mg ZlOm, the ink outflow amount of the present invention is a pen tip that controls the outflow of the ink. A handwritten handwriting can be formed.
- the film-forming rosin emulsion contains 2.5 to 50% by weight of solids
- the ratio of the white rosin particles to the film-forming rosin emulsion is 1: 0.2 to 1: 3 in solids, and
- a water-based ink composition containing 20% by weight or more of the solid content of the white resin particles and the film-forming resin emulsion is filled;
- Ball diameter (diameter) Ratio of handwriting thickness Y to X, ie, handwriting thickness Y (m) X 10 3 Z Ball diameter (mm), ie, YX 10 3 ZX is 15 or more, preferably 20 or more, more preferably 25 A ballpoint pen is preferred.
- a ballpoint pen including a pen tip having a ball and an ink cylinder, and the ink cylinder has a total amount of ink
- the film-forming rosin emulsion contains 2.5 to 50% by weight of solids
- the ratio of the white rosin particles to the film-forming rosin emulsion is 1: 0.2 to 1: 3 in solids, and
- a water-based ink composition containing 20% by weight or more of the solid content of the white resin particles and the film-forming resin emulsion is filled;
- a ballpoint pen provided with a pen tip having a ball and an ink cylinder, wherein the ink cylinder has a total amount of ink
- the film-forming rosin emulsion contains 2.5 to 50% by weight of solids
- the ratio of the white rosin particles to the film-forming rosin emulsion is 1: 0.2 to 1: 3 in solids, and
- a water-based ink composition containing 20% by weight or more of the solid content of the white resin particles and the film-forming resin emulsion is filled;
- the upper limit values of the handwriting thickness ( ⁇ m), the Z ball diameter (mm), and the outflow amount of ink (mgZlOm) and the Z ball diameter (mm) are not limited to each other. It is appropriately selected depending on the degree.
- a ballpoint pen provided with a writing instrument chip and an ink cylinder joined thereto,
- the film-forming rosin emulsion contains 2.5 to 50% by weight of solids
- the ratio of the white resin particles and the film-forming resin emulsion is 1: 0.
- the writing instrument chip has a writing instrument chip body and a ball held on the tip side of the writing instrument chip body.
- the writing instrument chip body is provided with a ball nose, a center hole, and a back hole.
- the hole, the center hole and the ball house communicate with each other and have a series of ink flow paths.
- the ball house is provided with a seating surface and a side wall surface to hold the ball rotatably, and the ball house has a predetermined inside.
- the ball is movable in the axial direction by a distance, and has a groove or hole provided so as to connect the inside of the ball housing and the center hole or the back hole, and the writing tool has a tip, the seat surface of the ball And a side wall surface, and the shape of the connection surface is the shape of the side surface of the truncated cone with the apex at the tip side of the writing instrument tip, and the seating surface is located inside the connection surface.
- the side shape of the truncated cone is a part of the truncated cone and the same shape as the side surface of the trapezoidal rotating body.
- the ballpoint pen is preferably provided with a ball urging member for urging the ball from the rear end side to the front end side in a compressed state inside the chip body. Is preferred.
- the writing instrument described above can be used for writing or coating by including the ink of the present invention in a brush, stick or the like, for example, by specifying a ballpoint pen.
- FIG. 1 is a cross-sectional view of a core using a ballpoint pen tip according to a first embodiment of the ballpoint pen of the present invention.
- FIG. 2 is a cross-sectional view of the Bono repen tip.
- Fig. 3 (a) is a cross-sectional view of the tip of the Bonore pen tip, and (b) is a cross-sectional view taken along the line AA in (a).
- FIG. 4 is a perspective view of the tip portion of the ballpoint pen tip.
- Fig. 5 is an enlarged view of the contact portion between the ball-point pen tip ball and the ball-point pen body.
- Fig. 6 is an enlarged view of part G in Fig. 5.
- the ballpoint pen core 7 of the first embodiment of the present invention is shown in FIG.
- a ballpoint pen tip (writing instrument tip) 1 is attached to the tip of the lead 7. Also shown in Figure 1.
- the Bono repen tip 1 is joined to an ink cylinder (coating liquid storage portion) 6 having therein an ink 5 which is a water-based ink according to the present invention.
- the core 7 is mounted inside a ballpoint pen barrel (not shown) and used as a water-based ballpoint pen.
- 51 is an ink follower arranged at the rear end of the ink in the ink cylinder 6, and in the present invention, preferably a gelled silicone oil, more preferably a gelled silicone oil with benzidine sorbitol. Used but not limited. That is, in the present invention, a gelled non-volatile or hardly volatile organic liquid such as silicone oil, mineral oil or polybutene is preferably used.
- the ball-point pen tip 1 is composed of a ball-point pen tip body (writing instrument tip body) 11, a ball 10, and a ball biasing member 12.
- the external appearance of the ball-point pen body 11 is a substantially conical shape on the front end side and a substantially cylindrical shape on the rear end side, and as a whole, it has a rocket-like shape in which these are joined in the axial direction.
- the front end side has a conical portion 25 and the rear end side has a cylindrical portion 26.
- the rear end side of the cylindrical portion 26 has an ink cylinder coupling step portion 26a whose outer diameter is slightly reduced, and is connected to the ink cylinder 6.
- a ball nose 15, a center hole 16, and a back hole 17 are provided inside and communicate with each other to form a series of ink 5 channels.
- the rear end side of the knock hole 17 has a rear end side opening 28.
- the mouse 15 is a cylindrical wall 41 which is a side wall having a shape inside the cylinder, and a seat surface 45 and a connection surface located on the rear end side of the cylindrical wall 41.
- the connection surface 71 is a surface that connects the cylindrical wall 41 and the seat surface 45.
- the seat surface 45 is formed by striking the ball 10 from the front end side toward the rear end side, and its cross-sectional shape is an arc shape.
- connection surface 71 is a side shape of a truncated cone with the apex at the tip side, and the angle ex on the tip side of the cross section of the truncated cone is 240 °.
- grooves 47 are radially provided with grooves 47 called so-called arrow grooves.
- the groove 47 is connected to the ball house 15, and the ink 5 can flow from the central hole 16 through the groove 47 to the ball house 15 through the outlet portion 61 on the ball house 15 side of the groove 47.
- the ball urging member 12 is a coil-shaped spring, and as shown in FIG. 2, provided in the ball pen tip body 11, the ball urging member 12 is in a compressed state.
- the ball 10 is urged from the rear end side to the front end side.
- a rod-like portion 23 is provided at the tip, and the tip 23 a of the rod-like portion 23 is in contact with the ball 10.
- the urging prevents the outflow of the ink 5, and when the ballpoint pen is used, the ball 10 moves to the rear end due to the writing pressure, so that the outflow of the ink 5 is easy. It is what.
- the ball 10 has a spherical shape and is rotatably held in a ball house 15 of the ballpoint pen tip body 11. That is, the rear end side is squeezed by the seating surface 45, the side surface side by the cylindrical wall 41, and the front end side is caulked so that the tip of the ball-point pen tip body 11 is deformed by force inward after the ball 10 is inserted.
- the ball 10 is held by the tip deforming portion 43 which is a portion that has been cut.
- the ball-point pen tip 1 of the present embodiment has the gap T between the ball 10 near the outlet 61 of the groove 47, and the side wall 41 of the ball house 15 and the ball 10 are closest to each other. There is a gap S2 in the vicinity and a gap S1 with the ball 10 in the vicinity of the tip deformed portion 43 on the tip side of the ballpoint pen tip body 11.
- the ink 5 passes through the gap T at the outlet 61 on the ball house 15 side of the groove 47 from the center hole 16, flows out into the ballnow 15 and further enters the gap S2. After that, it flows out from the gap S1.
- the gap T, the gap Sl, and the gap S2 are determined by the outer diameter D of the ball 10, the amount of buckling deformation L, the inner diameter of the side wall surface 41 of the ball saw 15 and the mouse 15, and the like.
- the pressing deformation surface portion 70 of the ballpoint pen tip body 11 is processed so as to be a part of a conical surface with the apex at the tip side.
- the edge 54 on the front side of the seating surface is on the inside, so that the clearance T of the outlet 61 on the ballnow 15 side of the groove 47 can be further increased. Therefore, the flow-out amount of the ink 5 of the present invention described above can be at least 50 mg / 10 m, and more ink 5 can flow out. Therefore, when writing with this, it is possible to form a three-dimensional handwriting with a flat surface and a matte surface.
- the gap S2 in the vicinity of the closest contact between the side wall surface 41 and the ball 10 that is hardly influenced by the amount of buckling deformation L is set to a predetermined length so as to be smaller than the gap S1 and the gap T.
- the gap S1 and the gap T can be made larger at the same time, and the flow rate can be adjusted by the gap S2, so that a large amount of coating liquid flows out. It can also be applied to writing instruments, and the amount of spillage of the ink 5 of the present invention described above can be at least lOOmgZlOm, and writing with this will form a flat and erased three-dimensional handwriting Can do.
- the seating surface side processing surface 48 has a pressure deformation surface portion 70 and a connection portion 71 that are deformed by buckling. Then, as shown in FIG. 6, the pressing deformation surface portion 70 receives the force from the ball 10 and is deformed into a seating surface 45 by the buckling.
- the shape of the seating surface side processing surface 48 is the shape of the side surface of the truncated cone having the apex at the tip side, and is a part of the conical surface.
- the pressing deformation surface portion 70 and the connecting portion 71 have the shape of the side surface of the truncated cone having the apex at the tip side, and are part of the conical surface.
- the pressing deformation surface portion 70 protrudes toward the tip side.
- the section angle ex on the tip side of this truncated cone is 240 °.
- the inner end portion 48a of the seating surface side processed surface 48 has an acute angle.
- the entire pressing deformation surface portion 70 has an apex.
- the first surface 85 is a conical surface on the tip side.
- the connecting portion 71 is a portion that is not deformed by buckling, it is a non-depressed surface portion 72.
- the method of manufacturing such a writing instrument is not particularly limited, but the following method of assembling the ballpoint pen tip 1 is preferred.
- the ball-point pen tip body 11 is formed.
- a cylindrical material is used, and the tip side is substantially conical with an outer shape, and a predetermined shape is formed while providing the conical portion 25 (first step).
- the inner surface of the tip 15 of the ball body 15 of the chip body 11 is formed on the side of the inner wall of the cylindrical wall and the edge on the side of the central hole on the side of the side wall.
- the processing force is provided so that a portion protruding toward the tip side is provided in the portion that becomes the pressing deformation surface portion 70 (second step).
- a groove 47 is formed and the ball pen tip body 11 is cared (third step).
- the ball 10 is housed in the ball house 15, and the tip side of the chip body 11 is deformed to the ball 10 side (fourth step).
- the ball 10 is pressed from the tip side toward the center hole 16 to deform the pressing deformation surface portion 70 which is a part of the seating surface side processing surface 48 to form the seating surface 45 (fifth step). .
- the pressure deformation surface portion 70 is obtained. It is also possible to employ a method of processing the portion so as to provide a first surface which is the shape of the side surface of the truncated cone having the apex as the tip side of the writing instrument tip.
- the tip deforming portion 43 on the tip side of the ball-point pen tip body 11 may adopt the configuration of the second mode as shown in FIG. 7 in order to increase the flow rate of the ink of the present invention. it can.
- the outer shape of the tip body 11 is substantially conical, and the inside of the tip body 11 has a Borno and a mouse 15 whose tip side is open,
- the ball 10 is stored in the ball house 15, the ball can move in the axial direction within the ball house by a predetermined distance, and the tip deformed portion 43 is provided by deforming the tip of the chip body 11 to the ball 10 side.
- the tip deforming portion 43 of the tip body 11 is a ball-point pen tip having a configuration in which the outer portion 55 is cut into a circumferential shape, and the outer portion is deformed together with the inner side to the ball 10 side.
- grooves 47 called so-called arrow grooves are provided radially around the center hole 16 of the ball-point pen tip body 11. Then, the groove 47 is connected to the ball nose 15, and the ink 5 can flow from the center hole 16 through the groove 47, through the outlet portion 61 on the ball house 15 side of the groove 47, and to the ball house 15.
- the ball 10 has a spherical shape and is rotatably held in a ball house 15 of the ballpoint pen tip body 11.
- the rear end side is a seating surface 45
- the side surface is a cylindrical wall 41
- the tip side is a portion that is crimped so that the tip of the ballpoint pen tip body 11 is deformed by inward force after insertion of the ball 10.
- the ball 10 is held by the tip deforming portion 43 as described above.
- the ball house 15 includes a cylindrical wall 41 which is a side wall having a shape inside the cylinder, and a seat surface 45 and a connection surface 71 located on the rear end side of the cylindrical wall 41.
- the connection surface 71 is a surface that connects the cylindrical wall 41 and the seat surface 45.
- the seating surface 45 is formed by striking the ball 10 to press the front end side force toward the rear end side.
- the shape of the connection surface 71 is a part of a conical surface and is a mortar shape.
- the ball 10 can move to the rear end side by buckling, and as shown in FIG. 7, the tip 10 deformed portion 4 of the ball 10 and the tip body 11 is provided. A gap S1 is formed between the three. Further, since the seating surface 45 is formed by buckling, the shape of the seating surface 45 is a shape that matches the curved surface of the ball 10 as a whole. In use, when the ball 10 is pushed from the tip side toward the seating surface 45, the entire seating surface 45 comes into contact with the ball 10. In FIG. 7, L is a buckling deformation amount, which is a distance at which the ball 10 can move by buckling.
- the tip deforming portion 43 When it is desired to increase the outflow of the ink 5 more stably, as shown in FIG. 8, it is desirable to make the inside of the tip deforming portion 43 as short and inclined as possible. That is, the length y in the axial direction is made smaller than the distance X in the radial direction of the tip deformed portion 43 of the ball bent tip 1. By adopting such a configuration, the tip deforming portion 43 is more inclined with respect to the axis of the ball-point pen tip 1. The larger the inclination of the tip deformed portion 43, the larger the space 66 in the ball housing 15 and the better the outflow of the ink 5 during use.
- the outer shape of the tip body 11 is formed. Process into a substantially conical shape (first step). Next, the outer periphery of the chip body 11 is cut into a circumferential shape near the tip, and the circumferentially cut portion is deformed to the ball side (second step). Next, a ball house 15 having an opening on the tip side is formed inside the chip body 11 (third step). Next, a groove 47 is formed which is connected to the center hole 16 and is obtained by cutting the wall surface of the center hole 16 outwardly (fourth step). Next, the ball 10 is housed in the ball nose 15 and the tip of the chip body 11 is deformed toward the ball 10 to provide a tip deforming portion 43 (fifth step). Through these series of steps, a writing instrument provided with the chip can be produced.
- the shape of the first surface of the outer portion (circular cut portion) 55 that has been cut into a circumferential shape is the side shape of a truncated cone as described above. A corner is formed at the edge of the rear end side of the first surface. For this reason, when writing using the ballpoint pen tip of the above embodiment, the edge on the rear end side may be caught by the writing target and the writing feeling may be deteriorated.
- the shape of the first surface of the circumferential cutting portion 55 is a curved surface that protrudes outward.
- the edge of the rear end of the first surface which has a corner at the rear edge of the first surface, is smoothly connected to form a continuous surface. Therefore, when writing using a ball-point pen tip manufactured by the ball-point pen tip body, there is no possibility that the writing feeling will not be worsened by being caught.
- the writing instrument to which the ink of the present invention is applied is not particularly limited, but the aspect relating to the seating surface of the chip and the aspect relating to the tip portion of the chip are each selectively or both aspects. It is desirable to adopt it as a writing instrument that has both.
- Inks of Examples and Comparative Examples having the compositions shown in Table 1 were prepared. That is, each component shown in Table 1 was blended and stirred with a dissolver for 30 minutes to obtain inks of Examples and Comparative Examples.
- the blending amount is% by weight, and each component is as follows.
- “resin in ink (solid content)” indicates the total amount of white resin particles and film-forming resin emulsion in ink shown in Table 1! /
- white resin particles: film-forming resin emulsion (solid content)” indicates the solid content of the white resin particle dispersion shown in Table 1 and the film-forming resin emulsion (solid content). It shows the ratio of the blending amount.
- U-coat UWS 145 (manufactured by Sanyo Kasei, urethane, solid content 35%)
- Polysol PSA SE1300 Showa Polymer, acrylic, solid content 50%
- Superflex 500 “(Daiichi Kogyo Seiyaku Co., Ltd., urethane, solid content 45%)
- the above-mentioned resin emulsion contains water.
- Muticle PP240D (Mitsui Toatsu Chemical Co., Ltd., flat white resin particles, dispersion, average particle diameter of resin particles: 0.5 / ⁇ ⁇ ),
- LX407BP6 manufactured by Nippon Zeon Co., Ltd., dense (solid) white rosin particles, dispersion, average particle size of rosin particles 0.2 ⁇
- the writing conditions are a writing angle of 65 °, a load of 100 g, and a writing speed of 7 cmZ seconds.
- the solid content of the resin in the ink is required to be 20% or more in order to obtain a raised handwriting, and the ratio of white rosin particles to rosin emulsion is 1: 0. In the range of 2 to 1: 3, it is recognized that the wrinkle of the handwriting disappears and the handwritten handwriting is obtained.
- the solid content of the coconut emulsion is too much, it seems that the coating film becomes smooth, but cocoon is formed, and it is recognized that cocoon is produced even if there are too many white rosin particles.
- the handwriting swells and the formation of the erasing handwriting is recognized.
- the water-based ink composition of the present invention can form a solid handwriting that is raised and has a matte handwriting. Therefore, it is possible to form a three-dimensional handwriting film, so it is not possible to write and draw on paper, nails, body, etc. It can also be applied as a cosmetic composition.
- the present specification claims the benefit of priority based on Japanese Patent Application No. 2004-231516 and Japanese Patent Application No. 2 004-335308, and the same contents of the application are incorporated as a reference. .
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
- Pens And Brushes (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
KR20077005101A KR100875811B1 (ko) | 2004-08-06 | 2005-08-08 | 수성 잉크 조성물 |
US11/659,592 US8080098B2 (en) | 2004-08-06 | 2005-08-08 | Water-based ink composition |
CN2005800265105A CN1993435B (zh) | 2004-08-06 | 2005-08-08 | 水性油墨组合物 |
EP05768950.7A EP1803785B1 (en) | 2004-08-06 | 2005-08-08 | Water-based ink composition |
Applications Claiming Priority (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2004-231516 | 2004-08-06 | ||
JP2004231516 | 2004-08-06 | ||
JP2004335308A JP2006070236A (ja) | 2004-08-06 | 2004-11-19 | 水性インキ組成物 |
JP2004-335308 | 2004-11-19 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2006014004A1 true WO2006014004A1 (ja) | 2006-02-09 |
Family
ID=35787278
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2005/014511 WO2006014004A1 (ja) | 2004-08-06 | 2005-08-08 | 水性インキ組成物 |
Country Status (7)
Country | Link |
---|---|
US (1) | US8080098B2 (ja) |
EP (1) | EP1803785B1 (ja) |
JP (1) | JP2006070236A (ja) |
KR (1) | KR100875811B1 (ja) |
CN (1) | CN1993435B (ja) |
TW (1) | TWI367922B (ja) |
WO (1) | WO2006014004A1 (ja) |
Cited By (1)
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WO2023182240A1 (ja) * | 2022-03-23 | 2023-09-28 | 帝人株式会社 | シリカ材料、イオン交換樹脂組成物、電解質膜、膜・電極接合体、固体高分子形燃料電池、固体高分子形電解装置及び電気化学式水素圧縮装置 |
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US20070078200A1 (en) * | 2005-09-01 | 2007-04-05 | Kao Corporation | Water-based inks for ink-jet printing |
JP2008150422A (ja) * | 2006-12-14 | 2008-07-03 | Fujifilm Corp | 白色インク組成物 |
JP5459460B2 (ja) * | 2007-12-05 | 2014-04-02 | セイコーエプソン株式会社 | インクジェット用水性白色インク組成物およびこれを用いた記録物 |
JP5507822B2 (ja) * | 2008-08-29 | 2014-05-28 | 株式会社パイロットコーポレーション | 筆記具用水性インキ組成物 |
JP5355309B2 (ja) * | 2008-09-24 | 2013-11-27 | キヤノン株式会社 | 薬液容器及び吸入用薬液吐出装置 |
JP5365135B2 (ja) * | 2008-10-22 | 2013-12-11 | セイコーエプソン株式会社 | インク組成物、記録物、記録方法および記録装置 |
JP6116875B2 (ja) | 2012-11-27 | 2017-04-19 | 株式会社サクラクレパス | インキ組成物 |
JP6097558B2 (ja) * | 2012-12-27 | 2017-03-15 | ゼブラ株式会社 | マーキングペン |
JP5452752B1 (ja) * | 2013-02-07 | 2014-03-26 | ニチアス株式会社 | ディスクロール及びその基材 |
KR20150133841A (ko) * | 2013-03-27 | 2015-11-30 | 가부시키가이샤 사쿠라 크레파스 | 도포구 |
WO2014156857A1 (ja) * | 2013-03-27 | 2014-10-02 | 株式会社サクラクレパス | 塗布具 |
JP2015042733A (ja) * | 2013-06-11 | 2015-03-05 | 株式会社サクラクレパス | 加圧式ボールペン用水性インキ組成物及び加圧式ボールペン |
JP6411203B2 (ja) * | 2014-12-22 | 2018-10-24 | 株式会社パイロットコーポレーション | ボールペン用油性インキ組成物及びそれを内蔵したボールペン |
JP6404112B2 (ja) * | 2014-12-24 | 2018-10-10 | 株式会社パイロットコーポレーション | 熱変色性筆記具インキ組成物及びそれを内蔵した筆記具 |
US11753556B2 (en) * | 2017-04-28 | 2023-09-12 | Sun Chemical Corporation | Opaque water-based inks |
JP7158203B2 (ja) * | 2018-08-07 | 2022-10-21 | 三菱鉛筆株式会社 | 塗布具 |
JP7454354B2 (ja) * | 2019-10-29 | 2024-03-22 | 三菱鉛筆株式会社 | 水性ボールペン用インク組成物 |
JP7093461B1 (ja) | 2021-12-13 | 2022-06-29 | 大日精化工業株式会社 | 表刷り用水性インキ組成物及び印刷層付き物品 |
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- 2005-08-08 EP EP05768950.7A patent/EP1803785B1/en not_active Not-in-force
- 2005-08-08 TW TW094126883A patent/TWI367922B/zh not_active IP Right Cessation
- 2005-08-08 KR KR20077005101A patent/KR100875811B1/ko not_active IP Right Cessation
- 2005-08-08 US US11/659,592 patent/US8080098B2/en not_active Expired - Fee Related
- 2005-08-08 WO PCT/JP2005/014511 patent/WO2006014004A1/ja active Application Filing
- 2005-08-08 CN CN2005800265105A patent/CN1993435B/zh not_active Expired - Fee Related
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Cited By (1)
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---|---|---|---|---|
WO2023182240A1 (ja) * | 2022-03-23 | 2023-09-28 | 帝人株式会社 | シリカ材料、イオン交換樹脂組成物、電解質膜、膜・電極接合体、固体高分子形燃料電池、固体高分子形電解装置及び電気化学式水素圧縮装置 |
Also Published As
Publication number | Publication date |
---|---|
US20070203259A1 (en) | 2007-08-30 |
US8080098B2 (en) | 2011-12-20 |
CN1993435B (zh) | 2010-12-15 |
EP1803785A1 (en) | 2007-07-04 |
TW200619332A (en) | 2006-06-16 |
JP2006070236A (ja) | 2006-03-16 |
KR20070044480A (ko) | 2007-04-27 |
EP1803785B1 (en) | 2015-09-16 |
EP1803785A4 (en) | 2013-05-22 |
TWI367922B (en) | 2012-07-11 |
KR100875811B1 (ko) | 2008-12-26 |
CN1993435A (zh) | 2007-07-04 |
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