WO2004091931A1 - 非水系ボールペン用フォロワーおよび非水系ボールペン - Google Patents
非水系ボールペン用フォロワーおよび非水系ボールペン Download PDFInfo
- Publication number
- WO2004091931A1 WO2004091931A1 PCT/JP2004/005482 JP2004005482W WO2004091931A1 WO 2004091931 A1 WO2004091931 A1 WO 2004091931A1 JP 2004005482 W JP2004005482 W JP 2004005482W WO 2004091931 A1 WO2004091931 A1 WO 2004091931A1
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- Prior art keywords
- follower
- ink
- aqueous
- viscosity
- mass
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Classifications
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B43—WRITING OR DRAWING IMPLEMENTS; BUREAU ACCESSORIES
- B43K—IMPLEMENTS FOR WRITING OR DRAWING
- B43K7/00—Ball-point pens
- B43K7/02—Ink reservoirs; Ink cartridges
- B43K7/08—Preventing leakage
Definitions
- the present invention relates to a follower used for a tail end of a non-aqueous ballpoint pen ink directly accommodated in an ink accommodating tube and a nonaqueous pole pen using the same.
- the viscosity of the ink at 25 ° C. is from 300 to 2000 mPa ⁇ s, the ink is hardly scattered by impact.
- the inner diameter of the ink storage tube is 2.8 mm or less, When used, the pipe resistance becomes strong, so that it is easy to cause fuzziness due to poor follow-up of the follower at low temperatures or in quick writing, and it is desired to use a flowable mouth with good fluidity.
- the follower is given pseudoplasticity in order to improve the dripping of the follower when left standing upright, the apparent viscosity under standing is increased, and the fluidity is reduced, the mouth is lost when the ink is consumed.
- the amount of sticking to the wall surface increases, and the amount of follower present at the rear end of the ink decreases significantly with ink consumption. In extreme cases, the follower may disappear from the rear end.
- the inner diameter of the ink container tube of the pole pen is often set by various balances, such as the amount of ink discharged from the ballpoint pen tip, the writing distance, the appearance from the ink filling length on the appearance, the design of the pen, etc.
- a follower When a follower is required, a follower with appropriate properties for the set inner diameter of the ink accommodating pipe is required.
- the gazette discloses a follower provided in a water-based ball-point pen for directly accommodating ink in an ink accommodating tube. These followers have the function of suppressing volatilization of water from the rear end, leakage of the ink, which occurs when the pen is left up or sideways, and scattering of the ink due to impact.
- the follower disclosed for the above water-based ballpoint pen can certainly be used for a water-based pole pen.
- the follower may not be able to follow at low temperatures or when writing quickly due to the effect of the gelling agent. Due to the good quality, it becomes easy to cause blurring, the amount of follower adhered to the wall surface during ink consumption increases, and the amount of follower existing at the rear end of the ink decreases significantly with ink consumption.
- the present inventors have developed a non-aqueous pole pen using a solvent having a high vapor pressure unlike the conventional oil-based pole pen, but ink for a non-aqueous pole pen using such a solvent having a high vapor pressure has been developed. It became clear that followers were needed.
- the present invention solves the above-mentioned problems, and can be used for a non-aqueous pole pen using a solvent having a high vapor pressure, without oil separation even at a high temperature or for a long period of storage.
- [1] Contains one or more polyolefins, which are synthetic oils with a viscosity of 200 mPa-s or more at 40 ° C, and the total amount is 80% by mass or more of the total components Wherein the viscosity at 40 ° C. is 100 to 300 mPas, and the shear thinning index at a shear rate of! To 10 / s is 0.995 or more.
- the shear thinning index at a shear rate of! To 10 / s is 0.995 or more.
- [5] Contains one or more polyolefins, which are synthetic oils with a viscosity at 400 ° C of 200 mPa ⁇ s or more, and the total amount is 98% by mass of the total components
- the follower for a non-aqueous ballpoint pen according to any one of the above [1] to [4].
- [6] Contains one or more poly_ ⁇ -olefins, which are synthetic oils having a viscosity at 100 ° C of 100 OmPa ⁇ s or more, and the total amount is 90% by mass or more of all components.
- the follower for a non-aqueous ballpoint pen according to any one of the above [1] to [5].
- [7] Contains one or more poly-o-olefins, which are synthetic oils with a viscosity of at least 500 OmPa ⁇ s at 40 ° C, and the total amount is 50 mass of component. /.
- [8] Contains one or more poly-haorefin, a synthetic oil with a viscosity at 40 ° C of 500 OmPa ⁇ s or more, and the total amount is 60% by mass or more of all components
- [9] Contains one or more poly-alpha-olefins, which are synthetic oils with a viscosity at 400 ° C of 500 OmPa ⁇ s or more, and the total amount is 70% by mass of all components.
- a non-aqueous ball-point paint is a solvent containing 0.2 to 50 mmHg of phenolic alcohol and glycol monoether as an ink solvent. 0-1 0 0 mass in which 0/0 occupied, nonaqueous Porupen according to [1 2] - [1 4] Neu Zureka 1 Section.
- Figure 1 shows a schematic diagram of an example of a pole penfill.
- the solvent used for the non-aqueous pole paint has too strong an affinity for the follower solvent as compared with the water-based ball paint solvent. That is, the interfacial tension between the solvent used in the non-aqueous ballpoint pen ink and the follower solvent is lower than the interfacial tension between water and the follower solvent. Not only does the force between the ink and the follower create a force to eliminate the interface at the interface between the ink and the follower due to the effect of the strong affinity solvents, but it also breaks the gel structure of the follower and promotes oil separation.
- the gel structure of the follower is destroyed and its physical properties change with time, and ink may enter the solid-liquid interface between the follower and the wall of the tube, and volatile solvents may dissolve the follower.
- Various adverse effects such as permeation and volatilization occur.
- the colorants, resins, and additives used in non-aqueous ballpoint pen inks are of course Since it has a higher affinity for the follower solvent than the one used, it migrates to the foreside and causes problems. In particular, when left at a high temperature, such a problem becomes conspicuous.
- the follower is composed of poly-olefin having a specific viscosity, more specifically, using poly- ⁇ -olefin and 40 ° C.
- the above-mentioned object is achieved by configuring the viscosity at 10000 to 30000 OmPas and the shear rate at 1 to L0 / s to 0.95 or more at L0 / s. It has been found that a follower for a non-aqueous ballpoint pen and a non-aqueous ball-bowl including such a follower can be provided.
- a poly- ⁇ -olefin particularly a poly-a-olefin which is a synthetic oil having a viscosity of 200 mPa ⁇ s or more at 40 ° C.
- Polyolefins which are synthetic oils with a viscosity of more than 200 mPa-s at 40 ° C, have a viscosity of more than 200 inPas at 40 ° C even when used alone. Two or more grades with different viscosities may be mixed and used.
- hydrocarbons, alcohols, esters, organic acids, silicone cones, etc. having low SP values can also be used as base oils, but none of these are non-hydrocarbons. It cannot be used as at least a base oil or its main component in a water-based ink follower. Alcohols, esters, organic acids, etc. with a low SP value have a strong affinity for non-aqueous ink solvents, making the interface difficult to see, and causing colorants, resins, additives, etc. used in the ink to migrate, causing problems. . Silicone oil is not preferable because the ink solvent permeates and changes the physical properties of the ink over time.
- Polyolefin is a hydrocarbon compound, and when compared with mineral oil and polybutene belonging to the same hydrocarbon, products of the same viscosity at 40 ° C have compatibility with substances showing relatively low SP value, The solubility tended to be weak. From this, it is considered that the affinity of the ink with the solvent and the raw materials is particularly weak among the hydrocarbons. For this reason, the above-mentioned problems that are considered to be caused by affinity with the ink are less likely to occur particularly when compared with other classes of hydrocarbons.
- Poly-1-olefin is a synthetic oil obtained by polymerizing ⁇ -olefin, and typical examples of the starting material, Hi-Ichi-Shin, include 1-octene, 1-decene, 1-dodecene, etc. . In industry, 1-decene polymers are mainly used.
- the reaction starting material of the polyolefin used in the present invention is not particularly limited. However, if the carbon number of a-olefin is small, the properties when left upward at a high temperature are not excellent. The number of carbon atoms is preferably 8 or more, and more preferably 8 to 20 carbon atoms. “Mainly” means 50% by mass or more, preferably 60% by mass or more, more preferably 75% by mass or more, further preferably 90% by mass or more, particularly 95% by mass or more.
- the viscosity of the poly- ⁇ -olefin used as the base oil in the present invention is preferably not less than 200 raPa ⁇ s at 40 ° C., and more preferably not more than 500 It is preferably at least mPa ⁇ s, more preferably from 100 to 500 mPa's, and even more preferably from 150 to 2000 mPa's. Even if a polyolefin is used, the viscosity of which is less than 200 mPa ⁇ s at 40 ° C. is used in a certain amount or more, it is easy to cause reversal when left upward at a high temperature.
- the total amount of m P a ⁇ s or higher at which the poly one ⁇ - Orefui emissions is 5 0 mass 0/0 or more of the total components, is La 4 More preferably, the total content of poly- ⁇ -olefins having a viscosity at 0 ° C. of 500 mPa ⁇ s or more is 60% by mass or more, more preferably 70% by mass or more of all components. It is.
- poly- ⁇ -olefin having a viscosity at 50 ° C of 500 mPa-s or more is 50% by mass or more, the affinity with the raw material is weakened even at the above-mentioned high temperature, and the The effect of making it difficult for reverse rotation to occur when left upright is increased.
- Poly ( ⁇ -olefin) having a viscosity at 500 ° C. of not less than 500 mPa ⁇ s has a high molecular cohesion and a high surface tension. When the amount is set to be not less than mass%, a phenomenon that the follower runs down the ink containing pipe wall surface with time (dripping) is less likely to occur.
- the follower of the present invention usually and desirably comprises one or two or more polyolefins, which are synthetic oils having a viscosity at 40 ° C of 200 mPas or more.
- the total amount is 100% by mass, but the follower of the present invention only needs to contain at least 80% by mass. That is, the follower of the present invention contains a polyolefin fin having a viscosity at 40 ° C. of 20 OmPa ⁇ s or more in a total amount of 80% by mass or more of all components.
- Yo Ri preferably 4 0 viscosity ° C shall have 2 0 0 m P a ⁇ s or higher at which the poly one shed Orefi down the 9 0 mass 0/0 or more, more preferably at 9 8 mass% or more, and most preferably Exceeds 99.5% by mass For example, in particular 1 0 0 mass 0/0.
- the amount of the raw material other than poly- ⁇ -refined material is increased, the properties of the material are reflected, and when the material has a strong affinity with the ink raw material, the material may be left standing at a high temperature at a high temperature. Reversal is likely to occur.
- Examples of the above poly ⁇ -olefin used in the follower of the present invention include barrel process oil ⁇ ⁇ ⁇ ⁇ -380 (Matsumura Sekiyu KK), barrel process oil 1-150 ((Matsumura Sekiyu KK) ), Barrel process oil ⁇ —2200 (Matsumura Sekiyu KK), barrel process oil 0—100 000 (Matsumura Sekiyu KK), barrel process oil ⁇ — 3750 000 (Matsumura Sekiyu) ExxonMobil SHF-403 (manufactured by ExxonMobil Chemical Company), ExxonMobil SHF-1003 (manufactured by ExxonMobil Chemical Company), SuperSyn 2150 (manufactured by Eterson Mobile Chemical Company), SuperSyn 2300 (manufactured by ExxonMobil Chemical Company) And SuperSyn 21000 (manufactured by Exon Mobile Chemical), SuperSyn 23000 (manufactured
- Poly- ⁇ -olefins are synthetic oils, so they are obtained as a mixture with a molecular weight distribution after synthesis.
- the poly- ⁇ -olefin used in the base oil of the follower of the present invention those having a number average molecular weight ( ⁇ ) of at least 100, more preferably from 300 to 200,000 are preferred. It is good.
- the molecular weight distribution is evaluated based on the ratio between the weight average molecular weight (Mw) and the number average molecular weight (Mn), and the value of MwZMn is used as a guide. Molecular weight Values with a wide distribution have large values, and values with a narrow molecular weight distribution have values close to 1.
- poly- ⁇ -olefin a synthetic oil
- poly- ⁇ -olefin used for the base oil of the follower of the present invention one having a low molecular weight has an adverse effect as described above.
- the value of ⁇ w / Mn of the poly-Q! -Refin used in the base oil of the follower of the present invention is preferably 2.5 or less, more preferably 2.0 or less.
- Mw and Mn are each represented by the following formula (where M i represents a certain molecular weight and N i represents the number of polymers having the molecular weight M i).
- Mn ⁇ (M i N i) / ⁇ N i Set (2)
- the poly- ⁇ -olefin as described above is used, but the viscosity at 40 ° C. is set to 100 0 0 It is necessary to make the shear thinning index at 0.95 or more at 300 000 mPa ⁇ s and a shear rate of 1 to 10 / s.
- the follower of the present invention has a viscosity at 40 ° C. of 100 to 300 mPa ⁇ s, preferably 150 to 150 mPa ⁇ s, and more preferably 3100 mPa ⁇ s. 0 0 0 ⁇ 1 OOO OmPa's.
- a follower having a viscosity at 100 ° C of less than 100 OmPa.s has a low viscosity and vigorous molecular movement, so that the influence of a substance having a low molecular weight appears remarkably, and the cohesive force of the follower Is weakened, and the interfacial tension between the ink solvent and the follower solvent is also reduced.
- the follower runs down the ink containing pipe wall surface over time. Elephants (droop) are more likely to occur.
- the effect of a substance having a low molecular weight is remarkably exhibited, the affinity with the ink raw material is increased, and the ink raw material may diffuse into the follower, or the interface between the ink and the follower may be difficult to see.
- the diffusion of the ink raw materials into the follower tends to occur quickly.
- the follower when the follower has a viscosity of less than 500 mPas at 40 ° C, it becomes less resistant to the drop impact of dropping the pen at room temperature when it is used as a pen body, Then, the follower scatters.
- Followers with viscosities exceeding 400 mPas at 40 ° C will cause blurring due to poor follow-up of the followers when writing at a short time or at a low temperature of 5 ° C or less.
- the resin of the present invention has a viscosity at 40 ° C. of 100 to 300 mPa ⁇ s and a shear reduction at a shear rate of 1 to 10 / s.
- the viscosity index must be 0.95 or more, and more preferably the shear thinning index is 0.97 or more.
- the shear thinning index refers to the degree to which the apparent viscosity changes when the shear rate is changed, and uses the shear thinning index n, shear stress ⁇ , shear rate D, and apparent viscosity 77. And the following equation (1) is obtained.
- the follower of the present invention is designed so that, even when the follower is mounted on an ink container having a strong tube resistance of 2.8 mm or less, there is no problem with the followability of the follower at a low temperature or in a quick writing mode.
- One feature of the present invention is to provide a follower having good flowability such that the shear thinning index is 0.95 or more, and therefore basically does not contain a shear thinning agent.
- the follower with good fluidity can easily reverse due to the difference in specific gravity from the ink depending on the storage conditions.
- thickeners are used to increase the viscosity of the follower, but the thickeners conventionally used exhibit shear thinning, and such followers have a pipe resistance of 2.8 mm or less. If the follower is mounted on a strong ink container, there is a problem in the followability of the follower at a low temperature or at the time of quick writing, and the follower of the present invention cannot be used in at least a substantial amount.
- the shear thinning index at 40 ° C. is set to 100 to 300 mPa ⁇ s
- the viscosity at 40 ° C. is set to 100 to 300 mPa ⁇ s
- Means that the shear thinning index is 0.95 or more that is, the fact that the shear thinning index at a shear rate of 1 to 1 OZs in the present invention is 0.95 or more means that a conventional thickener (type that imparts shear thinning) is used. Instead of thickening, use a poly-olefin resin with an appropriate viscosity as at least the main viscosity adjusting component. By using this, it means that the viscosity of the follower is adjusted as described above.
- thickeners or gelling agents that impart shear thinning examples include metal stone, organic bentonite, inorganic metal fine particles, waxes, and thermoplastic elastomers.
- these thickeners or gelling agents that impart shear thinning are basically not used. However, if the follower has a shear thinning index at a shear rate of 1 to 10 / s that does not fall below 0.95, it may be used, but a shear thinning index at a shear rate of 1 to 10 Z s If it is added in a substantial amount of less than 0.95, the above-mentioned problems occur, which is outside the scope of the present invention.
- the base oil used in the follower of the present invention is desirably non-volatile and / or non-volatile at room temperature. If the solvent is volatile, the evaporation loss increases, and the solvent cannot function as a follower.
- the evaporation loss is preferably 0.4% by mass or less at 98 ° C for 5 hours. If the evaporation loss is more than 0.4% by mass, volatilization of the follower base oil cannot be ignored, and the physical properties of the pho- toe change with time.
- the follower of the present invention is composed of one or more poly- ⁇ -olefins which are synthetic oils having a viscosity at 40 ° C. of 200 mPa ⁇ s or more.
- Other oils, resins, thickeners and additives can be added as long as they satisfy the above viscosity and shear thinning index and do not adversely affect the performance of the follower.
- Other oils, resins, thickeners and additives include, for example, mineral oils, polybutenes, terpene resins, surfactants, silicone oils, and the like. For example, when a poly- ⁇ -olefin having a viscosity at 40 ° C.
- any thickener may be used.
- the thickener should not be a substance that increases the affinity with the ink raw material, but should be thickened with a substance having a weak affinity with the ink raw material as much as possible.
- the total amount of these thickeners and additives is less than 20% by mass, more preferably 10% by mass, based on the total amount of the follower. %, More preferably less than 2% by mass, and most preferably 0.5% or less.
- the content is 20% by mass or more, the properties of the additive are strongly reflected, and there is a possibility that adverse effects due to the strong interaction with the ink raw material may easily occur.
- a substance having a particularly large polarity significantly increases the affinity between the follower and the ink, and therefore, based on the total amount of the follower, 5% by mass or more, further 3% by mass or more, particularly 0.5% by mass. % Is not preferred.
- the follower of the present invention uses poly ( ⁇ -olefin), which is a synthetic oil having a viscosity at 40 ° C. of 200 mPa ⁇ s or more, as it is, or uses a mixture of two or more.
- poly ( ⁇ -olefin) which is a synthetic oil having a viscosity at 40 ° C. of 200 mPa ⁇ s or more, as it is, or uses a mixture of two or more.
- the stirring temperature is not particularly limited as long as the follower raw material is uniform, but is 50 to 200. C, more preferably 70 to 140 ° C, and still more preferably 90 to 120 ° C.
- the stirring temperature is 50 ° C or lower, it takes time to mix a highly viscous polyolefin to obtain a uniform liquid.
- the follower raw material When the temperature is higher than 200 ° C, the follower raw material is easily oxidized, and the physical properties of the finished product greatly differ depending on the stirring time. In addition, when the oxide concentration is increased throughout the follower, the affinity with the ink raw material is increased, and a problem may occur in the upward reversibility at high temperatures.
- the cooling environment after the heating and stirring may be cooled in any environment as long as the follower obtained after the cooling shows almost the same physical properties in any part of the container.
- the cooling conditions can be controlled by controlling the cooling rate or by giving seismic intensity. Is preferred.
- the non-aqueous pole pen ink is an ink whose ink is essentially free of water.
- a non-aqueous solvent such as alcohol absorbs water naturally over time because it has hydrophilicity. May be included.
- appropriate water may be included from the time of manufacture. However, the water concentration does not exceed 5% by mass from the time of ink production.
- One object of the follower of the present invention is to prevent volatilization of the ink solvent, but also to prevent moisture absorption of the ink.
- Solvents composed of alcohols and glycol monoethers are relatively easy to absorb moisture in the air, and as a result of the ink absorbing moisture, the physical properties of the ink and the solubility of the raw materials change. In some cases, the writeability of the ball-ins may be adversely affected.
- followers are needed to suppress these effects.
- the follower of the present invention is a non-aqueous ballpoint pen ink, in particular, a solvent composed of alcohols and glycol monoethers having a vapor pressure of 0.2 to 50 mmHg at 20 ° C.
- a non-aqueous ballpoint pen ink in particular, a solvent composed of alcohols and glycol monoethers having a vapor pressure of 0.2 to 50 mmHg at 20 ° C.
- glycolone monoenolates examples include ethylene glycol monomethinolate, ethylene glycol monoethylenolate, ethylene glycol monopropinolate, ethylene glycol monobutynoether, propylene glycol monolenopiratene Chillatenole, propylene glycol cornolemono propyl ether, propylene glycol cornole monobutynooleatenole, propylene glycol cornole letter butylinoleatene oleole, 3-methoxybutanol, 3-methyl-13-methyl Toxibutanol and the like can be mentioned.
- glycol monoesters can be used in the same manner as daricol monoether.
- the rear end portion is used.
- a nozzle is required.
- the aperture of the present invention is optimal.
- a non-volatile solvent may be used as an auxiliary solvent in the range of 0 to 90% by mass of the ink solvent.
- the non-aqueous ballpoint paint composition requiring the follower of the present invention necessarily contains a coloring material and a resin in addition to the above-mentioned solvent. Face is the coloring material
- the resin is adjusted by the pigment, dye, or combination, and the resin can exhibit the performance of a non-aqueous pole pen. Any resin can be used unless it is an unstable element in the ink.
- the viscosity of the ink is preferably less than 2000 mPa ⁇ s at 25 ° C.
- the follower of the present invention can be used for a non-aqueous pole pen using a solvent having a high vapor pressure by being configured as described above, and is stable without oil release even at high temperatures or for long-term storage.
- the follower is mounted on an ink container with a strong internal resistance of 2.8 mm or less, the ink and the outside air are blocked to prevent volatilization of the ink.
- There is no problem with the followability of the follower ensuring the resistance to drop impact, and when the pen tip is left up, the ink and follower are less likely to reverse due to the difference in specific gravity.
- the inner diameter of the ink receiving pipe on which the follower of the present invention is mounted is preferably 2.8 mm or less, more preferably 1.5 mn! ⁇ 2.7 mm, more preferably 1.6 mn! ⁇ 2.6 mm.
- One object of the present invention is to obtain good followability and fluidity even with an ink containing pipe having a high pipe resistance and an inner diameter of 2.8 mm or less. The effect is remarkable. If the inner diameter of the ink storage tube is less than 1.5 mm, the resistance of the tube is increased, and there is a possibility that the follow-up may occur at the time of quick writing, regardless of the presence or absence of the follower, which is not desirable.
- the material of the ink containing tube equipped with the follower of the present invention significantly impairs the quality of the pole pen due to the influence of the ink solvent and the fountain solvent. It is not particularly limited as long as it is not a material that does not significantly impair the quality of the pole pen due to external influences.
- Ink solvent-foam- The material of the ink container that comes in contact with the solvent is polypropylene, polyethylene, metal, or the like.
- the follower of the present invention does not preclude the use of other inks such as a water-based ink for a water-based ball-point pen which directly accommodates the ink in the ink-accommodating tube in addition to the non-aqueous water-based pen.
- FIG. 1 The structure of one example of the pole pen feel of Fig. 1 is schematically shown.
- a metal ball-point pen tip 1 is connected to one end of a transparent plastic ink container 2 in a liquid-tight manner.
- a metal or ceramic ball (not shown) exists at the forefront, and the ink 3 in the ink storage tube 2 passes through the inside of the tip 1 and is located at the forefront.
- a follower 4 is mounted behind the ink 3 in the ink accommodating tube 2. When the ink 3 decreases, the follower 4 follows the movement of the rear end of the ink 3.
- the non-aqueous pole pen using the specific follower of the present invention is a novel one.
- Non-aqueous ballpoint pens that use high-ink solvents can be put to practical use.
- the viscosity of the obtained followo at 40 ° C was 410 mPas (shear rate 3.8 s), and the shear thinning index at a shear rate of 1 to 10 / s was 0.99. there were.
- the viscosity of the obtained follower at 40 ° C was 540 mPa ⁇ s (shear rate 3.8), and the shear thinning index at a shear rate of 1 to 10 Z s was 1.00. .
- the viscosity of the obtained follower at 40 ° C was 670 mPas (shear rate 3.8 Zs), and the shear thinning index at a shear rate of 1 to 10 / s was 1.01.
- the viscosity of the obtained follower at 40 ° C was 670 mPas (shear rate 3.8 Zs), and the shear thinning index at a shear rate of 1 to 10 / s was 1.01.
- ExxonMobil SHF-403 (Ekusonmobiru Chemical Co., Ltd.) 2 5.0 mass 0/0 per barrel process oil P- 1 0 0 0 0 (manufactured by Matsumura Oil Co., Ltd.)
- the resulting follower at 40 ° C had a viscosity of 460 mPas (shear rate 3.8 Zs) and a shear thinning index of 0.99 at a shear rate of 1 to 10 Zs. there were.
- the resulting follower at 4 ° C has a viscosity of 1,260 mPas (shear rate 3.8 Zs) and a shear thinning index at a shear rate of 1 to 10 s. Was 0.98.
- the viscosity of the obtained follower at 40 ° C was 380 OmPas (shear rate 3.8 / s), and the shear thinning index at a shear rate of 1 to 10 Zs was 1.00.
- the viscosity of the obtained follower at 40 ° C was 380 OmPas (shear rate 3.8 / s), and the shear thinning index at a shear rate of 1 to 10 Zs was 1.00.
- the obtained viscosity at 40 ° C was 270 mPa ⁇ s (shear rate: 3.8), and the shear thinning index at a shear rate of 1 to 10 / s was 0.99.
- shear rate 3.8
- the viscosity of the obtained follower at 40 ° C was 850 mPa-s (shear rate 3.8 Zs), and the shear thinning index at a shear rate l to 10 Zs was 0.99. .
- the obtained viscosity at 40 ° C was 900 mPas (shear rate 3.8 / s), and the shear thinning index at a shear rate of 1 to 10 Zs was 0.99.
- shear rate 3.8 / s
- shear thinning index at a shear rate of 1 to 10 Zs was 0.99.
- the viscosity of the obtained follower at 40 ° C was 3950 mPa-s (shear rate 3.8 / s), and the shear thinning index at a shear rate of 1 to 10 / s was 0.98. there were.
- the stirred liquid was kneaded with a three-roll mill to obtain a follower.
- the viscosity of the obtained follower at 40 ° C is 420 mPa-s (shear rate 3.8 Zs), and the shear thinning index at a shear rate of 1 to 10 / s is
- the stirred liquid was kneaded with a three-roll mill to obtain a follower.
- the viscosity of the obtained follower at 40 ° C was 1.7100 mPa ⁇ s (shear rate: 3.8), and the shear thinning index at a shear rate of 1 to 10 s was 0.56.
- shear rate 3.8
- shear thinning index at a shear rate of 1 to 10 s 0.56.
- the foam obtained by the above blending and adjusting method was combined with the following non-aqueous ink and evaluated by the following evaluation test. The results shown in Table 1 were obtained.
- a pen with a ball diameter of 1.0 mm was used as a pen body combining a non-aqueous ink and a follower.
- the pen was allowed to stand for 10 days in a 70 ° C environment with the pen tip facing down, and the state at the interface between the ink and the follower was observed. Evaluation was made according to the following criteria. Those with clear interfaces; ⁇
- the pen was left standing for 10 days in a 70 ° C. environment with the pen tip facing downward, and the diffusion of the dye into the follower was observed. Evaluation was made according to the following criteria. With little diffusion of dye into the follower: ⁇
- the pen body was written at 300 m at a speed of 4.5 mZ inin, and the follower amount at the rear end of the ink before and after writing was observed.
- the evaluation was based on the following criteria.
- the container was dropped five times in succession from a height of about 1 m, and the condition of the rear end of the follower was observed. Evaluation was made according to the following criteria.
- Comparative Example 1 is a follower in which the total amount of polya-olefins, which is a synthetic oil having a viscosity at 40 ° C. of 200 mPa ⁇ s or more, is 80% by weight or less of all components. is there.
- paraffinic mineral oil was used for the raw materials other than polyolefin, the properties of the material began to be reflected, and the material had a strong affinity with the ink raw material. When it was left upright underneath, it resulted in a reversal of one part of the follower.
- Comparative Examples 3 and 4 are followers having a viscosity at 40 ° C. of 100 ° mPa ⁇ s or less.
- Low-viscosity paraffinic mineral oil was used for raw materials other than polyolefin.
- Comparative Example 5 is a follower having a viscosity at 40 ° C. of 300000 mPa ⁇ s or more.
- Comparative Examples 6 and 7 are followers having a shear thinning index of 0.95 or less at a shear rate of 1 to 10 / s.
- Comparative Example 6 had a relatively high shear thinning index and a relatively low viscosity, possibly resulting in a slight increase in the amount of adhering to the wall surface and the amount of foam present at the rear end of the ink with ink consumption. There was a problem that the number decreased.
- AEROSIL R972 which is a fine particle sieve
- P105 which is a terbene resin
- Comparative Example 8 is a follower having a viscosity as low as 300 mPa ⁇ s at 40 ° C.
- the non-aqueous ball pen followers of Examples 1 to 7 which fall within the scope of the present invention are the comparative examples which fall outside the scope of the present invention: Compared to the paper mouth, it was found to be extremely superior in terms of upward reversibility, dripping, quick-writing, diffusion, sticking to the wall of the ink storage tube, and resistance to drop impact.
Landscapes
- Pens And Brushes (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
Description
Claims
Priority Applications (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US10/552,284 US7311459B2 (en) | 2003-04-17 | 2004-04-16 | Follower for non-aqueous ball point pen and non-aqueous ball point pen |
JP2005505477A JPWO2004091931A1 (ja) | 2003-04-17 | 2004-04-16 | 非水系ボールペン用フォロワーおよび非水系ボールペン |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2003113346 | 2003-04-17 | ||
JP2003-113346 | 2003-04-17 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2004091931A1 true WO2004091931A1 (ja) | 2004-10-28 |
Family
ID=33296083
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/JP2004/005482 WO2004091931A1 (ja) | 2003-04-17 | 2004-04-16 | 非水系ボールペン用フォロワーおよび非水系ボールペン |
Country Status (4)
Country | Link |
---|---|
US (1) | US7311459B2 (ja) |
JP (1) | JPWO2004091931A1 (ja) |
CN (1) | CN100473541C (ja) |
WO (1) | WO2004091931A1 (ja) |
Cited By (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005081624A (ja) * | 2003-09-05 | 2005-03-31 | Mitsubishi Pencil Co Ltd | 流動性のよいフォロワーを有するボールペン |
JP2009096009A (ja) * | 2007-10-15 | 2009-05-07 | Mitsubishi Pencil Co Ltd | 筆記具用インキ収容管 |
JPWO2021201112A1 (ja) * | 2020-03-31 | 2021-10-07 |
Families Citing this family (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP4690662B2 (ja) * | 2004-04-26 | 2011-06-01 | 株式会社パイロットコーポレーション | 水性ボールペン |
US20130172464A1 (en) * | 2010-09-20 | 2013-07-04 | 3M Innovative Properties Company | Nanoparticle Processing Aide For Extrusion And Injection Molding |
EP3360694B1 (en) * | 2015-10-09 | 2024-01-10 | Mitsubishi Pencil Company, Limited | Writing tool refill and writing tool using same |
KR102513008B1 (ko) | 2017-03-31 | 2023-03-23 | 미쓰비시 엔피쯔 가부시키가이샤 | 필기구용 리필 및 이것을 이용한 필기구 |
CN111909756A (zh) * | 2020-06-19 | 2020-11-10 | 中国石油化工股份有限公司 | 一种中性笔笔芯随动密封剂及其制备方法与应用 |
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JPH11129674A (ja) * | 1997-10-29 | 1999-05-18 | Pentel Kk | 水性ボールペン用インキ逆流防止体組成物 |
JPH11245578A (ja) * | 1998-02-27 | 1999-09-14 | Pentel Kk | 筆記具 |
JP2002309148A (ja) * | 2001-02-07 | 2002-10-23 | Pilot Ink Co Ltd | ボールペン用油性インキ組成物 |
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JPH0633024A (ja) | 1992-07-16 | 1994-02-08 | Kansai Paint Co Ltd | 無毒防汚性貼着シート |
JP2859068B2 (ja) | 1993-02-26 | 1999-02-17 | 三菱鉛筆株式会社 | 水性ボールペンおよびインキ追従体 |
JP3367146B2 (ja) | 1993-05-27 | 2003-01-14 | ぺんてる株式会社 | ボールペン用インキ逆流防止体組成物 |
JPH07216285A (ja) | 1994-02-03 | 1995-08-15 | Tombow Pencil Co Ltd | 水性ボールペン用インキ乾燥防止体組成物 |
JP3590909B2 (ja) | 1994-03-31 | 2004-11-17 | パイロットインキ株式会社 | 筆記具用インキ逆流防止体組成物 |
JP2791864B2 (ja) | 1994-12-29 | 1998-08-27 | 株式会社パイロット | 水性ボールペン用インキ逆流防止体 |
JP3746317B2 (ja) | 1995-09-19 | 2006-02-15 | 株式会社日本礦油 | ボ−ルペン用インキ逆流防止剤組成物 |
JP3472950B2 (ja) * | 1996-02-19 | 2003-12-02 | パイロットインキ株式会社 | ボールペン用インキ逆流防止体組成物 |
JP3016749B2 (ja) | 1997-05-14 | 2000-03-06 | 中央油化株式会社 | 水性ボールペンインキの逆流防止剤 |
JPH1142882A (ja) | 1997-07-28 | 1999-02-16 | Mitsubishi Pencil Co Ltd | 水性ボールペン用インキ追従体 |
JP4033994B2 (ja) | 1998-12-11 | 2008-01-16 | パイロットインキ株式会社 | ボールペン用インキ逆流防止体組成物及びそれを用いたボールペン |
JP4298832B2 (ja) * | 1998-12-11 | 2009-07-22 | パイロットインキ株式会社 | ボールペン用インキ逆流防止体組成物及びそれを用いたボールペン |
JP2001063272A (ja) | 1999-08-26 | 2001-03-13 | Pilot Ink Co Ltd | 筆記具用インキ逆流防止体組成物及びその製造方法 |
-
2004
- 2004-04-16 JP JP2005505477A patent/JPWO2004091931A1/ja not_active Withdrawn
- 2004-04-16 US US10/552,284 patent/US7311459B2/en not_active Expired - Lifetime
- 2004-04-16 CN CNB200480010031XA patent/CN100473541C/zh not_active Expired - Lifetime
- 2004-04-16 WO PCT/JP2004/005482 patent/WO2004091931A1/ja active Application Filing
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JPH11129674A (ja) * | 1997-10-29 | 1999-05-18 | Pentel Kk | 水性ボールペン用インキ逆流防止体組成物 |
JPH11245578A (ja) * | 1998-02-27 | 1999-09-14 | Pentel Kk | 筆記具 |
JP2002309148A (ja) * | 2001-02-07 | 2002-10-23 | Pilot Ink Co Ltd | ボールペン用油性インキ組成物 |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JP2005081624A (ja) * | 2003-09-05 | 2005-03-31 | Mitsubishi Pencil Co Ltd | 流動性のよいフォロワーを有するボールペン |
JP4578080B2 (ja) * | 2003-09-05 | 2010-11-10 | 三菱鉛筆株式会社 | 流動性のよいフォロワー及びこれを有するボールペン |
JP2009096009A (ja) * | 2007-10-15 | 2009-05-07 | Mitsubishi Pencil Co Ltd | 筆記具用インキ収容管 |
JPWO2021201112A1 (ja) * | 2020-03-31 | 2021-10-07 | ||
WO2021201112A1 (ja) * | 2020-03-31 | 2021-10-07 | 三井化学株式会社 | 組成物および成形体 |
Also Published As
Publication number | Publication date |
---|---|
JPWO2004091931A1 (ja) | 2006-07-06 |
CN1774347A (zh) | 2006-05-17 |
US20070020031A1 (en) | 2007-01-25 |
US7311459B2 (en) | 2007-12-25 |
CN100473541C (zh) | 2009-04-01 |
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