CN111019391A - Pigment violet for PA ink and preparation method thereof - Google Patents
Pigment violet for PA ink and preparation method thereof Download PDFInfo
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- CN111019391A CN111019391A CN201911086434.7A CN201911086434A CN111019391A CN 111019391 A CN111019391 A CN 111019391A CN 201911086434 A CN201911086434 A CN 201911086434A CN 111019391 A CN111019391 A CN 111019391A
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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
- C09B—ORGANIC DYES OR CLOSELY-RELATED COMPOUNDS FOR PRODUCING DYES, e.g. PIGMENTS; MORDANTS; LAKES
- C09B67/00—Influencing the physical, e.g. the dyeing or printing properties of dyestuffs without chemical reactions, e.g. by treating with solvents grinding or grinding assistants, coating of pigments or dyes; Process features in the making of dyestuff preparations; Dyestuff preparations of a special physical nature, e.g. tablets, films
- C09B67/0033—Blends of pigments; Mixtured crystals; Solid solutions
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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
- C09D11/02—Printing inks
- C09D11/03—Printing inks characterised by features other than the chemical nature of the binder
- C09D11/037—Printing inks characterised by features other than the chemical nature of the binder characterised by the pigment
-
- 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
- C09D11/02—Printing inks
- C09D11/10—Printing inks based on artificial resins
- C09D11/102—Printing inks based on artificial resins containing macromolecular compounds obtained by reactions other than those only involving unsaturated carbon-to-carbon bonds
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- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- General Chemical & Material Sciences (AREA)
- Inks, Pencil-Leads, Or Crayons (AREA)
Abstract
The invention relates to a pigment violet for PA ink, which is characterized by comprising the following components in parts by weight: 18-24 parts of basic violet; 1-4 parts of glacial acetic acid; 2-7 parts of disodium hydrogen phosphate; 17-22 parts of sodium tungstate; 16-21 parts of sodium molybdate; 1-5 parts of a pigment auxiliary agent; 23-27 parts of hydrochloric acid; 1-5 parts of rosin; 1-5 parts of liquid caustic soda; the pigment auxiliary agent is prepared from the following raw materials in parts by weight: 2-5 parts of choline glycerophosphate, 1-4 parts of 3, 3-dimethoxy-2, 7,10,13, 16-pentaoxa-3-silaheptadecane, 1-4 parts of 7- (2-hydroxyethyl) -3, 3-dimethoxy-10- [3- (trimethoxysilyl) propyl ] -2-oxa-7, 10-diaza-3-siladodecane-12-ol, 2-5 parts of secondary alcohol polyoxyethylene ether, 1-1.5 parts of non-ionic penetrant, 1-4 parts of defoamer, 0.5-2 parts of dispersant, 1-2 parts of emulsifier and 60-80 parts of water. The invention also discloses a preparation method of the pigment violet for the PA ink. Compared with the prior art, the pigment violet for PA ink disclosed by the invention has the advantages of good transparency, good glossiness and high strength, and is good in stability in a polyamide solvent.
Description
Technical Field
The invention relates to the technical field of pigments, in particular to a pigment violet for PA ink and a preparation method thereof.
Background
In recent years, with the rapid development of economy, advertising has become a way for merchants to establish contact with consumers, and is favored by merchants with strong visual impact and competitive cost. Ink is an essential material for manufacturing advertisement, and is an important material for printing, and patterns and characters are expressed on a printing material through printing. The ink comprises a main component and an auxiliary component which are uniformly mixed and repeatedly rolled to form a viscous colloidal fluid. The paint consists of a binder (resin), a pigment, a filler, an auxiliary agent, a solvent and the like. The printing ink is used for various printing of books, periodicals, packaging decoration, building decoration, electronic circuit boards and the like. As social demands increase, ink varieties and yields also expand and grow accordingly. The PA ink is suitable for synthesizing PA (nylon plastic), nylon glass fiber, PBT (polybutylene terephthalate), bakelite, improved plastic, engineering plastic, synthetic plastic and various thermosetting plastic products, and has the advantages of uniform ink layer, good pigment dispersibility, uniform fineness, no dry net, good net passing property and leveling property, excellent adhesive force to polar substrates after curing, higher hardness and gloss of a coating film, good water resistance, weather resistance, chemical resistance and the like, so that the PA ink attracts wide attention of people.
The pigment is one of the important components of the PA ink, is mainly used for dyeing, is widely used for drawing pattern advertisements, art designs and environmental arrangement, and has continuously expanded demand along with the rapid development of downstream industries. Pigment violet is an important member of the large family of PA ink pigments, and the quality of its performance directly determines the aesthetic appearance and advertising visual effect of the ink print. Traditional color violet is used in more industry, and with the development of technology, more and more pigment violet is also used in PA ink to a certain extent. In the PA ink, the pigment violet needs to meet the requirements of bright gloss and strong tinting strength, and also needs to ensure the advantages of good transparency, good gloss and high strength, and the current pigment violet has defects in the aspects or cannot achieve the purpose of compatibility, so that the application of the traditional pigment violet to the PA ink is limited to a great extent, and the development of the pigment violet for the PA ink with excellent comprehensive performance is particularly important.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the pigment violet for the PA ink and the preparation method thereof, and the preparation method has the advantages of simple formula and process, convenient operation, low preparation cost, small environmental pollution, higher economic value, social value and ecological value; the prepared pigment violet for the PA ink has the advantages of good transparency, good glossiness and high strength, and the pigment violet is easy to dry in a solvent, good in volatility, convenient to construct, high in production and construction efficiency and good in stability in a polyamide solvent.
In order to achieve the purpose, the invention adopts the technical scheme that:
the pigment violet for the PA ink is characterized by comprising the following components in parts by weight:
the pigment auxiliary agent is prepared from the following raw materials in parts by weight: 2-5 parts of choline glycerophosphate, 1-4 parts of 3, 3-dimethoxy-2, 7,10,13, 16-pentaoxa-3-silaheptadecane, 1-4 parts of 7- (2-hydroxyethyl) -3, 3-dimethoxy-10- [3- (trimethoxysilyl) propyl ] -2-oxa-7, 10-diaza-3-siladodecane-12-ol, 2-5 parts of secondary alcohol polyoxyethylene ether, 1-1.5 parts of non-ionic penetrant, 1-4 parts of defoamer, 0.5-2 parts of dispersant, 1-2 parts of emulsifier and 60-80 parts of water.
Further, the emulsifier is at least one of sodium dodecyl benzene sulfonate, polyoxypropylene polyoxyethylene glycerol ether and nonylphenol polyoxyethylene ether.
Further, the antifoaming agent is selected from one or more of simethicone, tributyl phosphate, antifoaming agent, hume 3100, and antifoaming agent BYK 088; the dispersing agent is selected from one or more of 760W dispersing agent, sodium hexametaphosphate and sodium polycarboxylate;
further, the non-ionic penetrant is at least one of JFC-E, JFC-2.
Further, the pigment violet for PA ink comprises the following components in parts by weight: 20-24 parts of basic violet; 1-2 parts of glacial acetic acid; 4-5 parts of disodium hydrogen phosphate; 20-22 parts of sodium tungstate; 17-19 parts of sodium molybdate; 2-4 parts of a pigment auxiliary agent; 24-27 parts of hydrochloric acid; 2-4 parts of rosin; 1-2 parts of liquid caustic soda.
Further, the pigment violet for PA ink comprises the following components in parts by weight: 23 parts of basic violet; 1 part of glacial acetic acid; 4 parts of disodium hydrogen phosphate; 21 parts of sodium tungstate; 18 parts of sodium molybdate; 3 parts of a pigment auxiliary agent; 26 parts of hydrochloric acid; 3 parts of rosin; and 1 part of liquid caustic soda.
Another object of the present invention is to provide a method for preparing the pigment violet for PA ink, which comprises the following steps:
step S1: dissolving basic violet in water at a certain temperature;
step S2: dissolving sodium tungstate, sodium molybdate and disodium hydrogen phosphate;
step S3: adding the solution dissolved in the step S2 into the basic violet dissolved in the step S1;
step S4: after the reaction is finished, the materials are rinsed, dried and crushed in sequence.
Further, in step S1, the certain temperature is 80 to 90 ℃, preferably 85 ℃.
Compared with the prior art, the pigment violet for PA ink and the preparation method thereof provided by the invention have the advantages of good transparency, good glossiness and high strength, are easy to dry in a solvent, have good volatility and have good stability in a polyamide solvent; the preparation method has the advantages of simple formula and process, convenient operation, low preparation cost, little environmental pollution, higher economic value, social value and ecological value, convenient construction and high production and construction efficiency.
Detailed Description
The invention relates to a pigment violet for PA ink, which is characterized by comprising the following components in parts by weight: 18-24 parts of basic violet; 1-4 parts of glacial acetic acid; 2-7 parts of disodium hydrogen phosphate; 17-22 parts of sodium tungstate; 16-21 parts of sodium molybdate; 1-5 parts of a pigment auxiliary agent; 23-27 parts of hydrochloric acid; 1-5 parts of rosin; 1-5 parts of liquid caustic soda;
the pigment auxiliary agent is prepared from the following raw materials in parts by weight: 2-5 parts of choline glycerophosphate, 1-4 parts of 3, 3-dimethoxy-2, 7,10,13, 16-pentaoxa-3-silaheptadecane, 1-4 parts of 7- (2-hydroxyethyl) -3, 3-dimethoxy-10- [3- (trimethoxysilyl) propyl ] -2-oxa-7, 10-diaza-3-siladodecane-12-ol, 2-5 parts of secondary alcohol polyoxyethylene ether, 1-1.5 parts of non-ionic penetrant, 1-4 parts of defoamer, 0.5-2 parts of dispersant, 1-2 parts of emulsifier and 60-80 parts of water.
Further, the emulsifier is at least one of sodium dodecyl benzene sulfonate, polyoxypropylene polyoxyethylene glycerol ether and nonylphenol polyoxyethylene ether; the antifoaming agent is selected from one or more of simethicone, tributyl phosphate, antifoaming agent, modesty 3100 and antifoaming agent BYK 088; the dispersing agent is selected from one or more of 760W dispersing agent, sodium hexametaphosphate and sodium polycarboxylate; the non-ionic penetrant is at least one of JFC-E, JFC-2.
Further, the pigment violet for PA ink comprises the following components in parts by weight: 20-24 parts of basic violet; 1-2 parts of glacial acetic acid; 4-5 parts of disodium hydrogen phosphate; 20-22 parts of sodium tungstate; 17-19 parts of sodium molybdate; 2-4 parts of a pigment auxiliary agent; 24-27 parts of hydrochloric acid; 2-4 parts of rosin; 1-2 parts of liquid caustic soda.
Further, the pigment violet for PA ink comprises the following components in parts by weight: 23 parts of basic violet; 1 part of glacial acetic acid; 4 parts of disodium hydrogen phosphate; 21 parts of sodium tungstate; 18 parts of sodium molybdate; 3 parts of a pigment auxiliary agent; 26 parts of hydrochloric acid; 3 parts of rosin; and 1 part of liquid caustic soda.
Another object of the present invention is to provide a method for preparing the pigment violet for PA ink, which comprises the following steps:
step S1: dissolving basic violet in water at a certain temperature;
step S2: dissolving sodium tungstate, sodium molybdate and disodium hydrogen phosphate;
step S3: adding the solution dissolved in the step S2 into the basic violet dissolved in the step S1;
step S4: after the reaction is finished, the materials are rinsed, dried and crushed in sequence.
Further, in step S1, the certain temperature is 80 to 90 ℃, preferably 85 ℃.
Compared with the prior art, the pigment violet for PA ink and the preparation method thereof provided by the invention have the advantages of good transparency, good glossiness and high strength, are easy to dry in a solvent, have good volatility and have good stability in a polyamide solvent; the preparation method has the advantages of simple formula and process, convenient operation, low preparation cost, little environmental pollution, higher economic value, social value and ecological value, convenient construction and high production and construction efficiency.
The invention will be further described with reference to specific examples, but the scope of the invention is not limited thereto.
Example 1
Embodiment 1 provides a pigment violet for PA ink, characterized in that it comprises the following components in parts by weight: 18 parts of basic violet; 3 parts of glacial acetic acid; 4 parts of disodium hydrogen phosphate; 24 parts of sodium tungstate; 20 parts of sodium molybdate; 1 part of pigment auxiliary agent; 23 parts of hydrochloric acid; 5 parts of rosin; 2 parts of liquid caustic soda;
the pigment auxiliary agent is prepared from the following raw materials in parts by weight: 2 parts of choline glycerophosphate, 1 part of 3, 3-dimethoxy-2, 7,10,13, 16-pentaoxa-3-silaheptadecane, 1 part of 7- (2-hydroxyethyl) -3, 3-dimethoxy-10- [3- (trimethoxysilyl) propyl ] -2-oxa-7, 10-diaza-3-siladodecane-12-ol, 2 parts of secondary alcohol polyoxyethylene ether, 1 part of nonionic penetrating agent JFC-E, 1 part of simethicone, 0.5 part of 760W dispersant, 1 part of sodium dodecyl benzene sulfonate and 60 parts of water.
The preparation method of the pigment violet for the PA ink is characterized by comprising the following steps of:
step S1: dissolving basic violet in water at 85 deg.C;
step S2: dissolving sodium tungstate, sodium molybdate and disodium hydrogen phosphate;
step S3: adding the solution dissolved in the step S2 into the basic violet dissolved in the step S1;
step S4: after the reaction is finished, the materials are rinsed, dried and crushed in sequence.
Example 2
Example 2 provides a pigment violet for PA ink, which is formulated and prepared in substantially the same manner as in example 1, except that it comprises the following components in parts by weight: 20 parts of basic violet; 1 part of glacial acetic acid; 6 parts of disodium hydrogen phosphate; 18 parts of sodium tungstate; 16 parts of sodium molybdate; 5 parts of a pigment auxiliary agent; 27 parts of hydrochloric acid; 1 part of rosin; and 1 part of liquid caustic soda.
Example 3
Example 3 provides a pigment violet for PA ink, substantially the same formulation and preparation as in example 1, except that it comprises the following components in parts by weight: 22 parts of basic violet; 2 parts of glacial acetic acid; 4 parts of disodium hydrogen phosphate; 20 parts of sodium tungstate; 17 parts of sodium molybdate; 2 parts of a pigment auxiliary agent; 24 parts of hydrochloric acid; 4 parts of rosin; and 2 parts of liquid caustic soda.
Example 4
Example 4 provides a pigment violet for PA ink, substantially the same formulation and preparation as in example 1, except that it comprises the following components in parts by weight: 23 parts of basic violet; 1 part of glacial acetic acid; 4 parts of disodium hydrogen phosphate; 21 parts of sodium tungstate; 18 parts of sodium molybdate; 3 parts of a pigment auxiliary agent; 26 parts of hydrochloric acid; 3 parts of rosin; and 1 part of liquid caustic soda.
Comparative example 1
Comparative example 1 provides a pigment violet for PA ink, which has a formulation and a preparation method substantially the same as those of example 1, except that it comprises the following components in parts by weight: 18 parts of basic violet; 18 parts of sodium tungstate; 20 parts of sodium molybdate; 23 parts of hydrochloric acid; and 1 part of pigment auxiliary agent.
Comparative example 2
Comparative example 2 provides a pigment violet for PA ink, which has a formulation and a preparation method substantially the same as those of example 1, except that the pigment assistant preparation starting materials do not contain choline alfoscerate and 3, 3-dimethoxy-2, 7,10,13, 16-pentaoxa-3-silaheptadecane.
Comparative example 3
Comparative example 2 provides a pigment violet for PA ink, which has a formulation and a preparation method substantially the same as example 1 except that the pigment assistant preparation starting materials do not contain 7- (2-hydroxyethyl) -3, 3-dimethoxy-10- [3- (trimethoxysilyl) propyl ] -2-oxa-7, 10-diaza-3-siladodecane-12-ol and secondary alcohol polyoxyethylene ether.
To further illustrate the technical effects of the embodiments of the present invention, the pigment violet for PA ink prepared in the embodiments 1 to 4 of the present invention and the comparative examples 1 to 3 is tested, the test results are shown in table 1, and the test method is performed according to the existing determination conditions for the pigment violet in the prior art, such as those described in the national standard and the industry standard, and will not be described herein again.
TABLE 1
| Detecting items | Transparency (grade) | Glossiness (grade) | High force |
| Example 1 | 4 | 5 | 109 |
| Example 2 | 5 | 4 | 108 |
| Example 3 | 5 | 5 | 110 |
| Example 4 | 5 | 5 | 111 |
| Comparative example 1 | ≤3 | 3 | ≤99 |
| Comparative example 2 | ≤2 | ≤3 | ≤97 |
| Comparative example 3 | 2 | ≤3 | ≤95 |
As can be seen from Table 1, the pigment violet for PA ink and the preparation method thereof provided by the invention have the advantages of good transparency, good glossiness and high strength compared with the prior art, and the pigment violet has the synergistic effect of choline alfoscerate, 3-dimethoxy-2, 7,10,13, 16-pentaoxa-3-silaheptadecane, 7- (2-hydroxyethyl) -3, 3-dimethoxy-10- [3- (trimethoxysilyl) propyl ] -2-oxa-7, 10-diaza-3-siladodecane-12-ol and secondary alcohol polyoxyethylene ether in pigment auxiliaries, so that the performances can be improved.
The above embodiments are merely illustrative of the technical ideas and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the contents of the present invention and implement the present invention, and not to limit the protection scope of the present invention. All equivalent changes and modifications made according to the spirit of the present invention should be covered within the protection scope of the present invention.
Claims (9)
1. The pigment violet for the PA ink is characterized by comprising the following components in parts by weight: 18-24 parts of basic violet; 1-4 parts of glacial acetic acid; 2-7 parts of disodium hydrogen phosphate; 17-22 parts of sodium tungstate; 16-21 parts of sodium molybdate; 1-5 parts of a pigment auxiliary agent; 23-27 parts of hydrochloric acid; 1-5 parts of rosin; 1-5 parts of liquid caustic soda;
the pigment auxiliary agent is prepared from the following raw materials in parts by weight: 2-5 parts of choline glycerophosphate, 1-4 parts of 3, 3-dimethoxy-2, 7,10,13, 16-pentaoxa-3-silaheptadecane, 1-4 parts of 7- (2-hydroxyethyl) -3, 3-dimethoxy-10- [3- (trimethoxysilyl) propyl ] -2-oxa-7, 10-diaza-3-siladodecane-12-ol, 2-5 parts of secondary alcohol polyoxyethylene ether, 1-1.5 parts of non-ionic penetrant, 1-4 parts of defoamer, 0.5-2 parts of dispersant, 1-2 parts of emulsifier and 60-80 parts of water.
2. The pigment violet for PA ink according to claim 1, wherein the emulsifier is at least one of sodium dodecylbenzenesulfonate, polyoxypropylene polyoxyethylene glyceryl ether, and nonylphenol polyoxyethylene ether.
3. Pigment violet for PA inks according to claim 1, characterized in that the antifoaming agent is selected from one or several of dimethicone, tributyl phosphate, antifoaming agent humble 3100, antifoaming agent BYK 088.
4. The pigment violet for PA ink according to claim 1, wherein the dispersant is one or more selected from 760W dispersant, sodium hexametaphosphate, and sodium polycarboxylate salts; the non-ionic penetrant is at least one of JFC-E, JFC-2.
5. The pigment violet for PA ink according to claim 1, comprising the following components in parts by weight: 20-24 parts of basic violet; 1-2 parts of glacial acetic acid; 4-5 parts of disodium hydrogen phosphate; 20-22 parts of sodium tungstate; 17-19 parts of sodium molybdate; 2-4 parts of a pigment auxiliary agent; 24-27 parts of hydrochloric acid; 2-4 parts of rosin; 1-2 parts of liquid caustic soda.
6. The pigment violet for PA ink according to claim 1, comprising the following components in parts by weight: 23 parts of basic violet; 1 part of glacial acetic acid; 4 parts of disodium hydrogen phosphate; 21 parts of sodium tungstate; 18 parts of sodium molybdate; 3 parts of a pigment auxiliary agent; 26 parts of hydrochloric acid; 3 parts of rosin; and 1 part of liquid caustic soda.
7. Pigment violet for PA inks according to any of claims 1 to 6, characterised in that the process for the preparation of a pigment violet for PA inks comprises the following steps:
step S1: dissolving basic violet in water at a certain temperature;
step S2: dissolving sodium tungstate, sodium molybdate and disodium hydrogen phosphate;
step S3: adding the solution dissolved in the step S2 into the basic violet dissolved in the step S1;
step S4: after the reaction is finished, the materials are rinsed, dried and crushed in sequence.
8. The pigment violet for PA ink according to claim 7, wherein the certain temperature is 80 to 90 ℃ in step S1.
9. The pigment violet for PA ink according to claim 8, wherein the certain temperature is 85 ℃ in step S1.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911086434.7A CN111019391A (en) | 2019-11-08 | 2019-11-08 | Pigment violet for PA ink and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201911086434.7A CN111019391A (en) | 2019-11-08 | 2019-11-08 | Pigment violet for PA ink and preparation method thereof |
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| CN111019391A true CN111019391A (en) | 2020-04-17 |
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Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102863818A (en) * | 2012-09-18 | 2013-01-09 | 杭州红妍颜料化工有限公司 | Preparation method of pigment purple 3 |
| CN106750818A (en) * | 2017-01-09 | 2017-05-31 | 大连联合高分子材料有限公司 | A kind of protection vehicle pipeline pyrocondensation composition and internal tooth heat-shrinkable T bush prepared therefrom |
| CN108017932A (en) * | 2016-11-03 | 2018-05-11 | 吴江山湖颜料有限公司 | A kind of ink everbright fast violet toner paratonere and preparation method |
| CN110016241A (en) * | 2018-01-08 | 2019-07-16 | 吴江山湖颜料有限公司 | A kind of food packaging environmental protection pigment is purple and preparation method |
-
2019
- 2019-11-08 CN CN201911086434.7A patent/CN111019391A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102863818A (en) * | 2012-09-18 | 2013-01-09 | 杭州红妍颜料化工有限公司 | Preparation method of pigment purple 3 |
| CN108017932A (en) * | 2016-11-03 | 2018-05-11 | 吴江山湖颜料有限公司 | A kind of ink everbright fast violet toner paratonere and preparation method |
| CN106750818A (en) * | 2017-01-09 | 2017-05-31 | 大连联合高分子材料有限公司 | A kind of protection vehicle pipeline pyrocondensation composition and internal tooth heat-shrinkable T bush prepared therefrom |
| CN110016241A (en) * | 2018-01-08 | 2019-07-16 | 吴江山湖颜料有限公司 | A kind of food packaging environmental protection pigment is purple and preparation method |
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| 周清澈: "《英汉同物异名词典》", 31 January 1996, 海洋出版社 * |
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Application publication date: 20200417 |