CN111234604A - Production process of neutral ink - Google Patents
Production process of neutral ink Download PDFInfo
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- CN111234604A CN111234604A CN202010198120.2A CN202010198120A CN111234604A CN 111234604 A CN111234604 A CN 111234604A CN 202010198120 A CN202010198120 A CN 202010198120A CN 111234604 A CN111234604 A CN 111234604A
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D11/00—Inks
- C09D11/16—Writing inks
- C09D11/18—Writing inks specially adapted for ball-point writing instruments
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- 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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- 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 relates to a production process of neutral ink, which comprises the following preparation raw materials in parts by weight: 15-30 parts of pigment color paste, 1-3 parts of surfactant, 1-3 parts of rheological regulator, 1-3 parts of thickener, 2-4 parts of humectant, 0.1-2 parts of antiseptic and mildew inhibitor, 0.2-2 parts of antifreeze, 0.05-1 part of PH regulator and 80-90 parts of deionized water. The neutral ink prepared by the invention has the advantages of good stability, good mildew resistance, higher thixotropy, fluent writing hand feeling, clear lines, wide raw material source, low price, easy obtainment, simple preparation process, easy industrial production and suitability for wide popularization and use.
Description
Technical Field
The invention relates to the technical field of ink manufacturing, in particular to a production process of neutral ink.
Background
The gel ink pen filled with gel ink has the advantages of both fountain pens and ball pens, is more comfortable and smooth in writing hand feeling, firm in ink mark convergence and capable of being stored permanently, is an upgrading and updating product of an oil ball pen, and is gradually becoming a mainstream writing tool in the market. The sales volume is rapidly increased in recent years, and the pen-like product has great development prospect. The neutral ink with high technical content still mostly depends on import, mainly from Japan, Germany, America and Korea. The only few manufacturers capable of producing the neutral ink have few product types and the quality of the products can not meet the requirements of the neutral ink standard. At present, the research and development force of domestic neutral ink is weak, the invested capital is relatively small, the performance of the domestic neutral ink cannot be comparable with that of the imported ink in Japan or Korea, and the high-end neutral ink is completely imported.
The current neutral ink aqueous system is safe and environment-friendly, has excellent durability and smooth writing, and occupies the main share of the domestic and Asian ball-point pen markets. The neutral ink researched and manufactured in the market at present has low thixotropy, poor rheological property and poor stability, and the manufactured pen products have short uncapping time, short storage time and poor writing performance, so that the quality problem in a short time exists all the time, and needs to be improved urgently.
Disclosure of Invention
The invention aims to solve the technical problem of overcoming the defects of the prior art and provide a production process of the neutral ink, which is simple and reasonable and is easy to realize industrialization.
In order to solve the technical problems, the technical scheme provided by the invention is as follows: a production process of neutral ink comprises the following preparation raw materials in parts by weight: 15-30 parts of pigment color paste, 1-3 parts of surfactant, 1-3 parts of rheological regulator, 1-3 parts of thickener, 2-4 parts of humectant, 0.1-2 parts of antiseptic and mildew inhibitor, 0.2-2 parts of antifreeze, 0.05-1 part of PH regulator and 80-90 parts of deionized water, wherein the production process of the neutral ink comprises the following operation steps:
(1) dissolving the antiseptic and mildew preventive and the antifreezing agent in deionized water according to parts by weight, and uniformly stirring;
(2) then adding surfactant, rheology modifier, thickener and humectant into the above solution, mixing well at 40-50 deg.C, and degassing;
(3) then stirring for 5-10 minutes, and simultaneously adding a PH regulator in the stirring process;
(4) and finally, adding pigment paste, mixing uniformly, and degassing to obtain the neutral ink.
Further, the surfactant is sodium dodecyl sulfate or sodium dodecyl sulfate.
Further, the rheological control agent is one of nano-scale dispersion emulsions which are formed by polyethylene, oxidized polyethylene or polypropylene and have the mass fraction of 25%.
Further, the thickening agent is one or more of modified hectorite clay, modified bentonite, chitosan, chitin, pectin and agar.
Further, the humectant is one or more of xylitol, triethylene glycol, sorbitol, and condensate of polyalcohol and ethylene oxide.
Further, the antiseptic and mildew preventive is one of benzotriazole, mildew preventive 253, AF251 and ethyl p-hydroxybenzoate.
Further, the antifreezing agent is one of glycerol, diglycerol, ethylene glycol and diethylene glycol.
Further, the pH regulator is one of monoethanolamine, diethanolamine and triethanolamine.
The invention has the following advantages: the neutral ink prepared by the invention has the advantages of good stability, good mildew resistance, higher thixotropy, fluent writing hand feeling, clear lines, wide raw material source, low price, easy obtainment, simple preparation process, easy industrial production and suitability for wide popularization and use.
Detailed Description
The present invention will be described in further detail with reference to examples.
Example 1
A production process of neutral ink comprises the following preparation raw materials in parts by weight: 15 parts of pigment color paste, 1 part of surfactant, 1 part of rheology regulator, 1 part of thickener, 2 parts of humectant, 0.1 part of antiseptic and mildew inhibitor, 0.2 part of antifreeze, 0.05 part of PH regulator and 80 parts of deionized water, wherein the production process of the neutral ink comprises the following operation steps:
(1) dissolving the antiseptic and mildew preventive and the antifreezing agent in deionized water according to parts by weight, and uniformly stirring;
(2) then adding a surfactant, a rheology regulator, a thickening agent and a humectant into the solution, fully and uniformly mixing at 40 ℃, and degassing;
(3) then stirring for 5 minutes, and simultaneously adding a PH regulator in the stirring process;
(4) and finally, adding pigment paste, mixing uniformly, and degassing to obtain the neutral ink.
The surfactant is sodium dodecyl sulfate, the rheological regulator is a nano-scale dispersed emulsion with the mass fraction of 25% formed by polyethylene and oxidized polyethylene, the thickening agent is a plurality of combinations in modified hectorite clay, chitin, pectin and agar, the humectant is a plurality of combinations in xylitol, triethylene glycol and a condensation compound of ethylene oxide, the antiseptic and mildew inhibitor is benzotriazole, the antifreezing agent is diglycerol, and the pH regulator is monoethanolamine.
Example 2
A production process of neutral ink comprises the following preparation raw materials in parts by weight: 30 parts of pigment color paste, 3 parts of surfactant, 3 parts of rheology regulator, 3 parts of thickener, 4 parts of humectant, 2 parts of antiseptic and mildew inhibitor, 2 parts of antifreeze, 1 part of PH regulator and 90 parts of deionized water, wherein the production process of the neutral ink comprises the following operation steps:
(1) dissolving the antiseptic and mildew preventive and the antifreezing agent in deionized water according to parts by weight, and uniformly stirring;
(2) then adding a surfactant, a rheology regulator, a thickening agent and a humectant into the solution, fully and uniformly mixing at 50 ℃, and degassing;
(3) then stirring for 10 minutes, and simultaneously adding a PH regulator in the stirring process;
(4) and finally, adding pigment paste, mixing uniformly, and degassing to obtain the neutral ink.
The surfactant is sodium dodecyl sulfate, the rheology regulator is a nano-scale dispersed emulsion with the mass fraction of 25% formed by polyethylene and polypropylene, the thickening agent is various combinations of modified bentonite and chitosan, the humectant is various combinations of condensation products of xylitol, polyalcohol and ethylene oxide, the antiseptic and mildew preventive is a mildew preventive 253, the antifreezing agent is ethylene glycol, and the pH regulator is triethanolamine.
Example 3
A production process of neutral ink comprises the following preparation raw materials in parts by weight: 23 parts of pigment color paste, 2 parts of surfactant, 2 parts of rheology regulator, 2 parts of thickener, 3 parts of humectant, 1 part of antiseptic and mildew inhibitor, 1 part of antifreeze, 0.5 part of PH regulator and 85 parts of deionized water, wherein the production process of the neutral ink comprises the following operation steps:
(1) dissolving the antiseptic and mildew preventive and the antifreezing agent in deionized water according to parts by weight, and uniformly stirring;
(2) then adding a surfactant, a rheology regulator, a thickening agent and a humectant into the solution, fully and uniformly mixing at 45 ℃, and degassing;
(3) then stirring for 8 minutes, and simultaneously adding a PH regulator in the stirring process;
(4) and finally, adding pigment paste, mixing uniformly, and degassing to obtain the neutral ink.
The surfactant is sodium dodecyl sulfate, the rheological control agent is a nano-scale dispersed emulsion with the mass fraction of 25% formed by polyethylene and oxidized polyethylene, the thickening agent is a plurality of combinations in modified hectorite clay, chitin, pectin and agar, the humectant is a plurality of combinations in a condensation compound of sorbitol, polyalcohol and ethylene oxide, the antiseptic and mildew-proof agent is ethyl p-hydroxybenzoate, the antifreezing agent is diethylene glycol, and the pH control agent is monoethanolamine.
Although the invention has been described in detail hereinabove with respect to a general description and specific embodiments thereof, it will be apparent to those skilled in the art that modifications or improvements may be made thereto based on the invention. Accordingly, such modifications and improvements are intended to be within the scope of the invention as claimed.
Claims (8)
1. The production process of the neutral ink is characterized by comprising the following steps: the neutral ink comprises the following preparation raw materials in parts by weight: 15-30 parts of pigment color paste, 1-3 parts of surfactant, 1-3 parts of rheological regulator, 1-3 parts of thickener, 2-4 parts of humectant, 0.1-2 parts of antiseptic and mildew inhibitor, 0.2-2 parts of antifreeze, 0.05-1 part of PH regulator and 80-90 parts of deionized water, wherein the production process of the neutral ink comprises the following operation steps:
(1) dissolving the antiseptic and mildew preventive and the antifreezing agent in deionized water according to parts by weight, and uniformly stirring;
(2) then adding surfactant, rheology modifier, thickener and humectant into the above solution, mixing well at 40-50 deg.C, and degassing;
(3) then stirring for 5-10 minutes, and simultaneously adding a PH regulator in the stirring process;
(4) and finally, adding pigment paste, mixing uniformly, and degassing to obtain the neutral ink.
2. The process for producing a neutral ink according to claim 1, wherein: the surfactant is sodium dodecyl sulfate or sodium dodecyl sulfate.
3. The process for producing a neutral ink according to claim 1, wherein: the rheological control agent is one of nano-scale dispersion emulsions which are formed by polyethylene, oxidized polyethylene or polypropylene and have the mass fraction of 25%.
4. The process for producing a neutral ink according to claim 1, wherein: the thickening agent is one or more of modified hectorite clay, modified bentonite, chitosan, chitin, pectin and agar.
5. The process for producing a neutral ink according to claim 1, wherein: the humectant is one or more of xylitol, triethylene glycol, sorbitol, condensate of polyalcohol and ethylene oxide.
6. The process for producing a neutral ink according to claim 1, wherein: the antiseptic and mildew preventive is one of benzotriazole, mildew preventive 253, AF251 and ethyl p-hydroxybenzoate.
7. The process for producing a neutral ink according to claim 1, wherein: the antifreezing agent is one of glycerol, diglycerol, ethylene glycol and diethylene glycol.
8. The process for producing a neutral ink according to claim 1, wherein: the pH regulator is one of monoethanolamine, diethanolamine and triethanolamine.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010198120.2A CN111234604A (en) | 2020-03-19 | 2020-03-19 | Production process of neutral ink |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202010198120.2A CN111234604A (en) | 2020-03-19 | 2020-03-19 | Production process of neutral ink |
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|---|---|
| CN111234604A true CN111234604A (en) | 2020-06-05 |
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| Application Number | Title | Priority Date | Filing Date |
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| CN202010198120.2A Pending CN111234604A (en) | 2020-03-19 | 2020-03-19 | Production process of neutral ink |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115247007A (en) * | 2022-08-25 | 2022-10-28 | 南京一墨纳米技术有限公司 | Gel pen ink with improved writing performance |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103897482A (en) * | 2014-03-28 | 2014-07-02 | 天津大学 | Carbon black neutral ink and preparation method thereof |
| CN107523135A (en) * | 2017-10-25 | 2017-12-29 | 广安市广安区悦来初级中学校 | A kind of high stability neutral pen ink |
-
2020
- 2020-03-19 CN CN202010198120.2A patent/CN111234604A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103897482A (en) * | 2014-03-28 | 2014-07-02 | 天津大学 | Carbon black neutral ink and preparation method thereof |
| CN107523135A (en) * | 2017-10-25 | 2017-12-29 | 广安市广安区悦来初级中学校 | A kind of high stability neutral pen ink |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115247007A (en) * | 2022-08-25 | 2022-10-28 | 南京一墨纳米技术有限公司 | Gel pen ink with improved writing performance |
| CN115247007B (en) * | 2022-08-25 | 2024-03-15 | 南京一墨纳米技术有限公司 | Gel ink with improved writing performance |
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Application publication date: 20200605 |