CN101649137B - Gel ink with high stability - Google Patents
Gel ink with high stability Download PDFInfo
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- CN101649137B CN101649137B CN 200910176481 CN200910176481A CN101649137B CN 101649137 B CN101649137 B CN 101649137B CN 200910176481 CN200910176481 CN 200910176481 CN 200910176481 A CN200910176481 A CN 200910176481A CN 101649137 B CN101649137 B CN 101649137B
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- ink
- high stability
- gel ink
- polyacrylamide
- neutral writing
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Abstract
The invention discloses gel ink with high stability. The gel ink is prepared by adopting colloidal graphite as a colorant, using Tween 80 as a surface active agent; and adding a dispersing agent capable of preventing the crystallization and the reunion of calcium, magnesium and iron ions as a stabilizer so as to greatly improve the stability and remarkably prolong the shelf life. The gel ink with high stability can replace a similar import product.
Description
Technical field
The present invention relates to a kind of ink, specifically, is a kind of high stability Neutral writing ink.
Background technology
Gel ink pen is a kind of wide writing implement popular to people, and its reason is that mainly Neutral writing ink selected in the gel ink pen has the stream of the lubricated and aqueous ballpoint pen of oiliness ballpoint pen concurrently
Smooth two kinds of advantages, therefore, the quality good or not of Neutral writing ink is a major criterion of estimating gel ink pen quality quality.Present commercially available gel ink pen multiselect import Neutral writing ink; select for use the gel ink pen of homemade Neutral writing ink in use then the nib obstruction to occur, write not smooth problem individually through regular meeting; even pen core just spends less than five/ also happens occasionally once the situation that can't continue to write; a major reason that causes above-mentioned phenomenon to occur is exactly the stable not good enough of homemade Neutral writing ink; calcium in the ink, magnesium, iron plasma be crystallization granulating, agglomerating very easily; the final nib of stopping up can't be write smoothly.
Summary of the invention
The object of the invention is to provide that a kind of write performance just is good, the high stability Neutral writing ink of long quality-guarantee period, supports for China's system enterprise provides reliable raw material, thereby changes the Neutral writing ink passive situation of dependence on import always for a long time.
Above-mentioned purpose realizes by following technique means:
A kind of Neutral writing ink, adopt the graphite emulsion as tinting material, as tensio-active agent, added a kind of diffusant that can prevent calcium, magnesium, the crystallization of iron plasma, reunion simultaneously with tween 80, thereby possessed high stability and long quality guaranteed period as stablizer.Particularly, this Neutral writing ink is formed by following set of dispense ratio according to weight percent: tinting material 20%～30%, wetting agent 15%～30%, brightening agent 10%～20%, inhibiter 0.1%～0.6%, thickening material 4.5%～8.5%, lubricant 2%～6%, tensio-active agent 0.5%～3%, diffusant 0.5%～2.5%, sanitas 0.5～1.5%, pure water 5%～20%.
Described wetting agent is an ethylene glycol, and it mainly plays the anti-fast effect of doing in ink system.
Described brightening agent is a polyoxyethylene glycol, and it mainly plays the effect that improves the ink luminance brightness in ink system.
Described inhibiter is a benzotriazole, mainly plays the effect that delays the corrosion of leaded brass class nib.
Described thickening material is a polyacrylamide solution (polyacrylamide: water=1: 50), mainly play the effect of thickening and raising ink viscosity.
Described lubricant is a silicone emulsion, can improve the feel of writing of ink.
Described tensio-active agent is a tween 80, and it can form steric hindrance at molecular surface in ink system, and the surfactivity of ink is improved.
Described diffusant is a Sodium hexametaphosphate 99, and it can effectively prevent calcium, magnesium, the crystallization of iron plasma, reunion in ink, and above-mentioned ion can independently be present in the system of Neutral writing ink enduringly.
Described sanitas is a Sodium Benzoate.
Facts have proved, high stability Neutral writing ink of the present invention, the storage time can reach more than 2 years; Writing function whenever all can compare favourably with perfusion writing function at the beginning in two years after irritating pen; Whole pen core uses up, and also written phenomenon of blocking can not take place.
Embodiment
Below further describe the present invention by embodiment, as known by the technical knowledge,
The present invention also can describe by other the scheme that does not break away from the technology of the present invention feature, thus all within the scope of the present invention or the change that is equal in the scope of the invention all be included in the invention.
Embodiment 1:
(1) get the raw materials ready according to following prescription:
22.7kg the graphite emulsion, 30kg ethylene glycol, 10kg polyoxyethylene glycol, 0.3kg benzotriazole, the 8kg polyacrylamide solution (polyacrylamide: water=1: 50), 5kg silicone emulsion, 2kg tween 80, the 1kg Sodium hexametaphosphate 99,1kg Sodium Benzoate, 20kg pure water.
(2) prepare Neutral writing ink according to following steps: successively pure water-wetting agent-brightening agent-tensio-active agent-diffusant-sanitas-inhibiter-tinting material-thickening material-lubricant is added in the vacuum emulsification still; Close all valves, open vacuum pump, start clarifixator simultaneously, the interior material abundant huge legendary turtle under the effect of high shear force (3000 rev/mins) of still is closed, keep the still internal pressure at-0.08 normal atmosphere, homogenizing emulsifying 20 minutes; Open air intake valve, after the still internal pressure was recovered normal pressure, clarifixator worked on 10 minutes; Homogeneous emulsifying machine is out of service, opens discharge port, promptly gets the high stability Neutral writing ink behind 400 orders, 1000 orders, 1 micron three-stage filtration.
(3) detect through national light industry fountain pen ballpoint pen quality surveillance inspection center, irritate the standard that pen back quality can reach QB/T2625-2003 promulgated by the ministries or commissions of the Central Government fully according to the Neutral writing ink that present embodiment prescription and processing step prepare, its concrete performance index are as follows:
Actual viscosity measured: 2200 ± 200npas; Normal water outlet in write performance: the 100mm just; There are not broken string or stitching Strength Changes in line property: the 400m; Light permanency; More than the 24h; Water tolerance: more than the 24h; Gap writing time 〉=200h; 24h under-20 ℃ of freezing environment, viscosity does not have considerable change; The fluid proterties is excellent, and in 60 ℃ of baking ovens 7 days, nib is bleed not; No wall built-up, tell and phenomenon such as emit; Diffustivity is good; Perviousness is slight.
Claims (2)
1. Neutral writing ink, form by following set of dispense ratio according to weight percent: graphite emulsion 20%～30%, wetting agent 15%～30%, brightening agent 10%～20%, inhibiter 0.1%～0.6%, thickening material 4.5%～8.5%, lubricant 2%～6%, tensio-active agent 0.5%～3%, diffusant 0.5%～2.5%, sanitas 0.5～1.5%, pure water 5%～20%;
Described wetting agent is an ethylene glycol;
Described brightening agent is a polyoxyethylene glycol;
Described inhibiter is a benzotriazole;
Described thickening material is the aqueous solution of polyacrylamide;
Described lubricant is a silicone emulsion;
Described tensio-active agent is a tween 80;
Described diffusant is a Sodium hexametaphosphate 99;
Described sanitas is a Sodium Benzoate.
2. Neutral writing ink as claimed in claim 1 is characterized in that, polyacrylamide in the aqueous solution of described polyacrylamide: water=1: 50.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910176481 CN101649137B (en) | 2009-09-17 | 2009-09-17 | Gel ink with high stability |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910176481 CN101649137B (en) | 2009-09-17 | 2009-09-17 | Gel ink with high stability |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101649137A CN101649137A (en) | 2010-02-17 |
| CN101649137B true CN101649137B (en) | 2011-11-09 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910176481 Expired - Fee Related CN101649137B (en) | 2009-09-17 | 2009-09-17 | Gel ink with high stability |
Country Status (1)
| Country | Link |
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| CN (1) | CN101649137B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205161A (en) * | 2013-03-19 | 2013-07-17 | 义乌市美能笔业有限公司 | Environment-friendly easy-to-wash watercolor ink and preparation method thereof |
Families Citing this family (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101870459B (en) * | 2010-06-11 | 2012-01-04 | 山东大学 | Method for preparing water-soluble CdTe quantum dots |
| CN104877459B (en) * | 2014-02-28 | 2018-01-26 | 真彩文具股份有限公司 | A kind of Neutral writing ink water-emulsifiable moisturizing lubricant and preparation method thereof |
| CN105860663A (en) * | 2016-04-20 | 2016-08-17 | 马鞍山纽泽科技服务有限公司 | Novel environment-protection gel pen ink and preparation method thereof |
| CN107858043A (en) * | 2017-12-07 | 2018-03-30 | 佛山早稻田科技服务有限公司 | A kind of Environment-friendlyink ink |
| CN107841196A (en) * | 2017-12-19 | 2018-03-27 | 赵云飞 | A kind of pen core ink and preparation method thereof |
| CN110028841A (en) * | 2019-05-18 | 2019-07-19 | 北京联创佳艺影像新材料技术有限公司 | A kind of ink improving digital printing clear-cut margin degree |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5286415A (en) * | 1992-12-28 | 1994-02-15 | Advanced Products, Inc. | Water-based polymer thick film conductive ink |
| CN101100573A (en) * | 2007-08-03 | 2008-01-09 | 上海乐美文具有限公司 | Neutral ink and its preparation method |
| CN101104760A (en) * | 2007-08-13 | 2008-01-16 | 浙江省丽水传人笔业有限公司 | Method for preparing carbon black neutral ink |
| CN101319112A (en) * | 2007-06-08 | 2008-12-10 | 上海精细文化用品有限公司 | Water dispersible pigment neutral writing ink and method of producing the same |
-
2009
- 2009-09-17 CN CN 200910176481 patent/CN101649137B/en not_active Expired - Fee Related
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5286415A (en) * | 1992-12-28 | 1994-02-15 | Advanced Products, Inc. | Water-based polymer thick film conductive ink |
| CN101319112A (en) * | 2007-06-08 | 2008-12-10 | 上海精细文化用品有限公司 | Water dispersible pigment neutral writing ink and method of producing the same |
| CN101100573A (en) * | 2007-08-03 | 2008-01-09 | 上海乐美文具有限公司 | Neutral ink and its preparation method |
| CN101104760A (en) * | 2007-08-13 | 2008-01-16 | 浙江省丽水传人笔业有限公司 | Method for preparing carbon black neutral ink |
Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103205161A (en) * | 2013-03-19 | 2013-07-17 | 义乌市美能笔业有限公司 | Environment-friendly easy-to-wash watercolor ink and preparation method thereof |
| CN103205161B (en) * | 2013-03-19 | 2014-09-17 | 义乌市美能笔业有限公司 | Environment-friendly easy-to-wash watercolor ink and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101649137A (en) | 2010-02-17 |
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Granted publication date: 20111109 Termination date: 20190917 |
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