CN105440795A - Ink for blackboard writing pen - Google Patents
Ink for blackboard writing pen Download PDFInfo
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- CN105440795A CN105440795A CN201511007117.3A CN201511007117A CN105440795A CN 105440795 A CN105440795 A CN 105440795A CN 201511007117 A CN201511007117 A CN 201511007117A CN 105440795 A CN105440795 A CN 105440795A
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- ink
- writing
- blackboard
- deionized water
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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
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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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- 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)
Abstract
The invention discloses ink for a blackboard writing pen. The ink for the blackboard writing pen is prepared from raw materials in parts by weight as follows: 10.0-22.0 parts of a pigment, 3.0-7.0 parts of a film-forming agent, 8.0-16.0 parts of polyol fatty acid ester, 4.0-8.0 parts of a humectant, 1.0-3.0 parts of a nonionic surfactant, 1.0-5.0 parts of an antifoaming agent, 15.0-57.0 parts of ethyl alcohol, 20.0-60.0 parts of deionized water and 5.0-22.0 parts of mineral oil. The ink can solve the problems of poor stability and dispersity, non-uniform outlet ink during use, interrupted and unsmooth writing, high probability of ink dryness, overlong stripping time and short erasable time of the conventional ink for the blackboard writing pen.
Description
Technical field
The present invention relates to a kind of ink, specifically a kind of environment-friendly water-based writing on blackboard ink, belongs to technical field of fine.
Background technology
Writing on blackboard is a kind of educational aid that instead of traditional chalk, due to the singularity of writing on blackboard magic, adopting writing on blackboard to write can erasing out handwriting within a certain period of time, and do not affect and continue to write and depending on reading, there is the writing function of conventional inks, and no dust pollution, dustless, easy wiping, easy to carry, be widely used in office and the occasion such as academic exchange, meeting, and be widely used in modernizing teaching process.
At present writing on blackboard ink is on the market uneven, according to the difference of used solvent, is roughly divided into a few class: (1) with ketone, ester, benzene class and composition thereof for prepared by solvent; This type of product toxicity is comparatively large, brings negative impact can to user and environment; (2) with acetate esters and alcohols and its derivative for solvent; This series products ink after a procedure, can be wiped at short notice, but stimulates due to its solvent odor, and mostly is oiliness, and not moisturizing; (3) with the lower aliphatic alcohols of toxicity and its derivative for solvent; Its erasability of this series products has improvement greatly, and smell shows slightly gentle, has certain performance of keeping humidity.
In order to overcome the deficiency of oily ink in environmental protection, water-base ink is subject to human consumer gradually and likes, also becomes the focus of research.Chinese patent CN102786843A discloses a kind of white board marker environment-friendly writing ink, heats also stirring and dissolving make by vegetable pigment, emulsifying agent, Viscotrol C, convex Attapulgite, ethanol and deionized water composition; Chinese patent CN102649891A also discloses a kind of preparation method of environment-friendly type aqueous white ink; But the dispersion effect of these products is desirable not enough.
Water-base ink is scattered in equably in ink system by pigment particles to make it paintedly obtain.Existing its pigment particles of water-based writing on blackboard ink is large, dispersion effect is poor, desirable writing effect can not be reached, if its particle is diminished, along with diminishing of size of particles, specific surface area will increase greatly, and the Van der Waals force between particle will become large, very easily produce cohesion between the particle of emblem, thus cause ink in storage process, produce layering, precipitation iso-metamorphism phenomenon.Meanwhile, existing Technology and equipment are also difficult to the dispersion stabilization that makes pigment particles in ink system keep good.Secondly, in process of production, along with the increase of grinding rate and the elongated of process period, the viscosity of ink system will become large, keeps low viscosity and controls in the another important technology difficult point being writing on blackboard ink more among a small circle.Due to the existence of above-mentioned deficiency, result in existing writing on blackboard in use, easily occur inequality out of ink, write interrupted smooth, shortcoming that ink is easily dry and hard.
Summary of the invention
The object of this invention is to provide a kind of writing on blackboard ink, solve stability, bad dispersibility that existing writing on blackboard ink exists, inequality out of ink during use, write interrupted smooth, ink is easily dry and hard, deinking overlong time, the deficiency that the erasable time is short.
Technical scheme of the present invention is as follows: a kind of writing on blackboard ink, prepared by the raw material of following parts by weight: pigment 10.0 ~ 22.0 parts, membrane-forming agent 3.0 ~ 7.0 parts, polyhydric alcohol fatty acid ester 8.0 ~ 16.0 parts, wetting Agent for Printing Inks 4.0 ~ 8.0 parts, nonionic surface active agent 1.0 ~ 3.0 parts, defoamer 1.0 ~ 5.0 parts, ethanol 15.0 ~ 57.0 parts, deionized water 20.0 ~ 60.0 parts, 5.0 ~ 20.0 parts, mineral oil.
Described membrane-forming agent is one or more in CMC, ethyl cellulose, methylcellulose gum, sodium alginate, network albumen.
Described wetting Agent for Printing Inks is the one in glycerine, glycerol, Viscotrol C.
Described defoamer is polyvalent alcohol or polysiloxane emulsion.
Writing on blackboard ink of the present invention, preparation method is as follows:
(1) in high speed agitator, add 1/2nd of deionized water consumption successively, 1/3rd and pigment of ethanol consumption, after being fully uniformly mixed, carry out micro-grinding, until pigment particles particle diameter is less than 500nm; Supersound process is carried out to material, obtain ultrasonic after material;
(2) first mineral oil is atomized at spray chamber, keeps atomizing air temperature at 60 ~ 80 DEG C, the material after ultrasonic is entered spray chamber along tangential direction high-velocity jet, stop 10 ~ 30min, get settling;
(3) in high speed agitator, add remaining deionized water, remaining ethanol, polyhydric alcohol fatty acid ester, membrane-forming agent, wetting Agent for Printing Inks, nonionic surface active agent successively, until be all uniformly dissolved, finally add the settling of step (2), stir, add defoamer, mix and blend, vacuum leaves standstill 10 ~ 20 hours, can obtain.
Described supersound process condition is: ultrasonic frequency 50 ~ 80kHz, ultrasonic time 30 ~ 60min.
The present invention is as follows relative to the beneficial effect of prior art:
(1) by the cavatition that supersound process produces, pigment particles specific surface area is increased, works as micro capsules break, after pigment particles release, the combination between pigment particles can be increased, make ink rapid drying, reduce the deinking time; Have and be embedded in micro-capsule compared with the pigment particles of bigger serface, avoid because surface-area increases, Van der Waals force between particle becomes large and pigment particles that is that cause condenses too early, thus the ink caused produces layering, precipitation iso-metamorphism phenomenon in storage process;
(2) stability of ink system and dispersiveness good, when this ink is used for writing on blackboard, by to rock in advance or from the pressure of nib, make micro capsules break, discharge micro-capsule content, pigment particles is released along with ink system forms writing, regulates the rheological property of ink under the effect of tensio-active agent with hydrophilic and oil-wet behavior, make to write more smooth, and not by the impact of granules of pigments;
(3) component proportion adopted, both can make the timely volatilization of the ink solvent after writing, pigment is attached to writing medium and forms writing, is unlikely to again to occur that too fast drying makes pigment be cemented in writing medium surface, cannot wipe, good deinking time and erasable time can be obtained; The component adopted and proportioning thereof make ink have suitable viscosity;
(4) ink receives the impact of written void content from written water outlet homogeneity, and in its system of ink of the present invention, pigment particles particle diameter is little, the blocking of nib can not be caused, and by microencapsulation, capsule material has can deformation behavior, written pore can be passed through smoothly under the pressure of ink self, reduce the impact of written void content on ink water outlet homogeneity, make water outlet smooth;
(5) raw material of ink composition choice for use environment-friendly type of the present invention, preparation process clean environment firendly.
Embodiment
Be described in further details the present invention below by embodiment, these embodiments are only used for the present invention is described, do not limit the scope of the invention.
Embodiment 1 adopts the raw material of following parts by weight to prepare writing on blackboard ink of the present invention: pigment 18.5 parts, membrane-forming agent (sodium alginate) 4.2 parts, polyhydric alcohol fatty acid ester 10.5 parts, wetting Agent for Printing Inks (glycerine) 6.0 parts, nonionic surface active agent 1.8 parts, defoamer (polysiloxane emulsion) 3.2 parts, ethanol 44.0 parts, deionized water 28 parts, 11.5 parts, mineral oil.
Preparation method is as follows:
(1) in high speed agitator, add 1/2nd of deionized water consumption successively, 1/3rd and pigment of ethanol consumption, after being fully uniformly mixed, carry out micro-grinding, until pigment particles particle diameter is less than 500nm; Under frequency 80kHz, supersound process 50min is carried out to material, obtain ultrasonic after material;
(2) first mineral oil is atomized at spray chamber, keeps atomizing air temperature at 70 DEG C, the material after ultrasonic is entered spray chamber along tangential direction high-velocity jet, stop 20min, get settling;
(3) in high speed agitator, add remaining deionized water, remaining ethanol, polyhydric alcohol fatty acid ester, membrane-forming agent, wetting Agent for Printing Inks, nonionic surface active agent successively, until be all uniformly dissolved, finally add the settling of step (2), stir, add defoamer, mix and blend, vacuum leaves standstill 15 hours, can obtain.
Embodiment 2 adopts the raw material of following parts by weight to prepare writing on blackboard ink of the present invention: pigment 10.0 parts, membrane-forming agent (methylcellulose gum) 3.0 parts, polyhydric alcohol fatty acid ester 8.0 parts, wetting Agent for Printing Inks (glycerol) 4.0 parts, nonionic surface active agent 1.0 parts, defoamer (polysiloxane emulsion) 1.0 parts, ethanol 22.5 parts, deionized water 35 parts, 6.5 parts, mineral oil.
Preparation method is as follows:
(1) in high speed agitator, add 1/2nd of deionized water consumption successively, 1/3rd and pigment of ethanol consumption, after being fully uniformly mixed, carry out micro-grinding, until pigment particles particle diameter is less than 500nm; Under frequency 60kHz, supersound process 60min is carried out to material, obtain ultrasonic after material;
(2) first mineral oil is atomized at spray chamber, keeps atomizing air temperature at 60 DEG C, the material after ultrasonic is entered spray chamber along tangential direction high-velocity jet, stop 10min, get settling;
(3) in high speed agitator, add remaining deionized water, remaining ethanol, polyhydric alcohol fatty acid ester, membrane-forming agent, wetting Agent for Printing Inks, nonionic surface active agent successively, until be all uniformly dissolved, finally add the settling of step (2), stir, add defoamer, mix and blend, vacuum leaves standstill 20 hours, can obtain.
Embodiment 3 adopts the raw material of following parts by weight to prepare writing on blackboard ink of the present invention: pigment 22.0 parts, membrane-forming agent (network albumen) 7.0 parts, polyhydric alcohol fatty acid ester 16.0 parts, wetting Agent for Printing Inks (Viscotrol C) 8.0 parts, nonionic surface active agent 3.0 parts, defoamer (polyvalent alcohol) 5.0 parts, ethanol 57.0 parts, deionized water 60 parts, 20 parts, mineral oil.
Preparation method is as follows:
(1) in high speed agitator, add 1/2nd of deionized water consumption successively, 1/3rd and pigment of ethanol consumption, after being fully uniformly mixed, carry out micro-grinding, until pigment particles particle diameter is less than 500nm; Under frequency 50kHz, supersound process 30min is carried out to material, obtain ultrasonic after material;
(2) first mineral oil is atomized at spray chamber, keeps atomizing air temperature at 80 DEG C, the material after ultrasonic is entered spray chamber along tangential direction high-velocity jet, stop 30min, get settling;
(3) in high speed agitator, add remaining deionized water, remaining ethanol, polyhydric alcohol fatty acid ester, membrane-forming agent, wetting Agent for Printing Inks, nonionic surface active agent successively, until be all uniformly dissolved, finally add the settling of step (2), stir, add defoamer, mix and blend, vacuum leaves standstill 10 hours, can obtain.
Claims (6)
1. a writing on blackboard ink, it is characterized in that: prepared by the raw material of following parts by weight: pigment 10.0 ~ 22.0 parts, membrane-forming agent 3.0 ~ 7.0 parts, polyhydric alcohol fatty acid ester 8.0 ~ 16.0 parts, wetting Agent for Printing Inks 4.0 ~ 8.0 parts, nonionic surface active agent 1.0 ~ 3.0 parts, defoamer 1.0 ~ 5.0 parts, ethanol 15.0 ~ 57.0 parts, deionized water 20.0 ~ 60.0 parts, 5.0 ~ 20.0 parts, mineral oil.
2. writing on blackboard ink according to claim 1, is characterized in that: described membrane-forming agent is one or more in CMC, ethyl cellulose, methylcellulose gum, sodium alginate, network albumen.
3. writing on blackboard ink according to claim 1, is characterized in that: described wetting Agent for Printing Inks is the one in glycerine, glycerol, Viscotrol C.
4. writing on blackboard ink according to claim 1, is characterized in that: described defoamer is polyvalent alcohol or polysiloxane emulsion.
5. writing on blackboard ink according to claim 1, is characterized in that: its preparation method is as follows:
(1) in high speed agitator, add 1/2nd of deionized water consumption successively, 1/3rd and pigment of ethanol consumption, after being fully uniformly mixed, carry out micro-grinding, until pigment particles particle diameter is less than 500nm; Supersound process is carried out to material, obtain ultrasonic after material;
(2) first mineral oil is atomized at spray chamber, keeps atomizing air temperature at 60 ~ 80 DEG C, the material after ultrasonic is entered spray chamber along tangential direction high-velocity jet, stop 10 ~ 30min, get settling;
(3) in high speed agitator, add remaining deionized water, remaining ethanol, polyhydric alcohol fatty acid ester, membrane-forming agent, wetting Agent for Printing Inks, nonionic surface active agent successively, until be all uniformly dissolved, finally add the settling of step (2), stir, add defoamer, mix and blend, vacuum leaves standstill 10 ~ 20 hours, can obtain.
6. writing on blackboard ink according to claim 5, is characterized in that: described supersound process condition is: ultrasonic frequency 50 ~ 80kHz, ultrasonic time 30 ~ 60min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511007117.3A CN105440795B (en) | 2015-12-30 | 2015-12-30 | A kind of writing on the blackboard board pen ink |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201511007117.3A CN105440795B (en) | 2015-12-30 | 2015-12-30 | A kind of writing on the blackboard board pen ink |
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| Publication Number | Publication Date |
|---|---|
| CN105440795A true CN105440795A (en) | 2016-03-30 |
| CN105440795B CN105440795B (en) | 2018-11-02 |
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201511007117.3A Expired - Fee Related CN105440795B (en) | 2015-12-30 | 2015-12-30 | A kind of writing on the blackboard board pen ink |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109370307A (en) * | 2018-10-17 | 2019-02-22 | 天津米科技有限公司 | A kind of watercolor pencil water made by balsamine |
| JP2019131635A (en) * | 2018-01-29 | 2019-08-08 | 三菱鉛筆株式会社 | Water-based ink composition for writing instrument |
| JP2022111134A (en) * | 2018-01-29 | 2022-07-29 | 三菱鉛筆株式会社 | Aqueous ballpoint |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746742A (en) * | 2012-07-24 | 2012-10-24 | 上海纳诺微新材料科技有限公司 | Erasable white board ink and manufacturing method thereof |
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2015
- 2015-12-30 CN CN201511007117.3A patent/CN105440795B/en not_active Expired - Fee Related
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102746742A (en) * | 2012-07-24 | 2012-10-24 | 上海纳诺微新材料科技有限公司 | Erasable white board ink and manufacturing method thereof |
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2019131635A (en) * | 2018-01-29 | 2019-08-08 | 三菱鉛筆株式会社 | Water-based ink composition for writing instrument |
| CN111655803A (en) * | 2018-01-29 | 2020-09-11 | 三菱铅笔株式会社 | Water-based ink composition for writing instrument |
| EP3747960A4 (en) * | 2018-01-29 | 2021-10-13 | Mitsubishi Pencil Company, Limited | Aqueous ink composition for writing utensil |
| JP7077030B2 (en) | 2018-01-29 | 2022-05-30 | 三菱鉛筆株式会社 | Water-based ink composition for stationery |
| JP2022111134A (en) * | 2018-01-29 | 2022-07-29 | 三菱鉛筆株式会社 | Aqueous ballpoint |
| CN111655803B (en) * | 2018-01-29 | 2022-12-16 | 三菱铅笔株式会社 | Aqueous ink composition for writing instrument |
| JP7313510B2 (en) | 2018-01-29 | 2023-07-24 | 三菱鉛筆株式会社 | Water-based ballpoint pen |
| CN109370307A (en) * | 2018-10-17 | 2019-02-22 | 天津米科技有限公司 | A kind of watercolor pencil water made by balsamine |
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| Publication number | Publication date |
|---|---|
| CN105440795B (en) | 2018-11-02 |
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Effective date of registration: 20180903 Address after: 510420 F building, M8 creative garden, 182 Hsiao Gang Yun Yun Road, Yuncheng street, Baiyun District, Guangzhou, Guangdong Applicant after: GUANGZHOU TRUMAN EDUCATION TECHNOLOGY CO.,LTD. Address before: 510405 288 Jinzhong Road, Baiyun District, Guangzhou, Guangdong Applicant before: Hu Zhixin |
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Granted publication date: 20181102 Termination date: 20211230 |
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