CN112266698A - Transparent coating for high-scratch-resistance tank and preparation method thereof - Google Patents
Transparent coating for high-scratch-resistance tank and preparation method thereof Download PDFInfo
- Publication number
- CN112266698A CN112266698A CN202011068872.3A CN202011068872A CN112266698A CN 112266698 A CN112266698 A CN 112266698A CN 202011068872 A CN202011068872 A CN 202011068872A CN 112266698 A CN112266698 A CN 112266698A
- Authority
- CN
- China
- Prior art keywords
- parts
- scratch
- resistance
- phenolic resin
- light
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- 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
- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
-
- 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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/10—Transparent films; Clear coatings; Transparent materials
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
Abstract
The invention discloses a transparent coating for a high-scratch-resistance tank, which comprises the following components in parts by weight: 20-35 parts of bisphenol A epoxy resin, 1-10 parts of light-color phenolic resin A, 1-10 parts of light-color phenolic resin B, 5-20 parts of dimethylbenzene, 2-10 parts of S100# aromatic hydrocarbon, 8-20 parts of propylene glycol monomethyl ether acetate, 5-25 parts of ethylene glycol monobutyl ether, 2-10 parts of n-butyl alcohol, 0.05-0.5 part of ethylene tetrafluoroethylene modified wax and 0.1-0.5 part of palm wax. The invention also discloses a preparation method of the transparent coating for the high-scratch-resistance tank. The transparent coating for the high-scratch-resistance tank disclosed by the invention has the advantages of high scratch resistance, excellent flexibility, chemical resistance and comprehensive performance, good wear resistance, good construction surface glossiness and transparency and strong adhesion with a base material.
Description
Technical Field
The invention belongs to the technical field of coatings, and particularly relates to a transparent coating for a high-scratch-resistance tank and a preparation method thereof.
Background
In recent years, with the development of economy and the improvement of living standard of people, the understanding on food safety, product quality and energy problems is deepened gradually, and the quality requirement on product packaging materials is higher and higher. The three-piece can is widely used for containing food and beverage due to the convenient use and good sealing performance, and the shelf life of the filling can be effectively prolonged. However, since such packaging materials are usually made of metal materials, if they come into contact directly with the product to be filled, the product can corrode the metal, causing liquid leakage through the perforations, and the rust caused by corrosion can adversely affect the quality of the product.
In order to solve the problems, the common method in the prior art is to coat a layer of coating on the inner and outer surfaces of the three-piece can and the surface of the can cover, and the formed coating can effectively prevent the corrosion of the metal can body caused by filling products and does not destroy the taste of the contents. And the coatings typically used for three-piece cans are clear coatings in order to highlight the beneficial metallic luster of the three-piece can and improve visual aesthetics. At present, the common transparent coating for three-piece cans generally comprises：One component is main paint, the other component uses amino resin or isocyanate resin as curing agent, when in use, the amino resin or isocyanate resin is uniformly mixed according to a preset proportion, and a proper amount of diluent is added, and the mixture is uniformly stirred, so that roll coating and construction can be carried out.
The Chinese patent with application number 03150467.1 discloses a water-based two-component aliphatic polyurethane coating, which is characterized in that the coating is A, B two components, and the weight mixing ratio of A to B is 1000 to 25-27; the component A comprises the following components in percentage by weight: 60-70% of aqueous polyurethane acid-modified resin solution, 12-20% of acrylic emulsion, 15-18% of deionized water and 0.4% of additive; the component B is a polybasic aziridine solution, and the molecular formula of the component B is as follows: c22H33N3O7The additive is a water-based leveling agent, a defoaming agent and a surface additive, and the water-based two-component polyurethane coating has certain gloss and wear resistance during construction, but the coating still has the problems of poor scratch resistance, uneven gloss and low transparency.
Therefore, the problem to be solved by the researches in the industry is how to effectively improve the scratch resistance, flexibility, chemical resistance and comprehensive performance of the transparent coating for the three-piece can.
Disclosure of Invention
The invention aims to overcome the defects of the prior art and provide the transparent coating for the high-scratch-resistance tank and the preparation method thereof, and the preparation method is simple, short in production period, high in production efficiency and capable of meeting the conditions of industrial production; the transparent coating for the high-scratch-resistance tank, which is prepared by the preparation method, has high scratch resistance, excellent flexibility, chemical resistance and comprehensive performance, good wear resistance, construction surface glossiness and transparency and strong adhesive force with a base material.
In order to achieve the purpose, the invention adopts the technical scheme that: the transparent coating for the high-scratch-resistance tank is characterized by comprising the following components in parts by weight: 20-35 parts of bisphenol A epoxy resin, 1-10 parts of light-color phenolic resin A, 1-10 parts of light-color phenolic resin B, 5-20 parts of dimethylbenzene, 2-10 parts of S100# aromatic hydrocarbon, 8-20 parts of propylene glycol monomethyl ether acetate, 5-25 parts of ethylene glycol monobutyl ether, 2-10 parts of n-butyl alcohol, 0.05-0.5 part of ethylene tetrafluoroethylene modified wax and 0.1-0.5 part of palm wax.
Preferably, the bisphenol A epoxy resin is at least one of bisphenol A epoxy resins of Epon1007 and Epon1009 types produced by Shell company.
Preferably, the light-colored phenolic resin A is bisphenol A type phenolic resin.
Preferably, the light-colored phenolic resin B is tert-butyl phenol type phenolic resin.
Preferably, the ethylene tetrafluoroethylene modified wax is luobu 1780 wax slurry.
Preferably, the palm wax is luobu 4838 wax slurry.
Preferably, the transparent coating for the high-scratch-resistance can is characterized by comprising the following components in parts by weight: 30 parts of bisphenol A epoxy resin, 5 parts of light-color phenolic resin A, 5 parts of light-color phenolic resin B, 13 parts of xylene, 6 parts of S100# aromatic hydrocarbon, 12 parts of propylene glycol methyl ether acetate, 15 parts of ethylene glycol monobutyl ether, 6 parts of n-butyl alcohol, 0.2 part of ethylene tetrafluoroethylene modified wax and 0.35 part of palm wax.
The invention also aims to provide a preparation method of the transparent coating for the high-scratch-resistance can, which comprises the following steps: mixing the components in parts by weight, performing anchor stirring for 30-50 minutes at a speed of 60-80 r/min, dispersing, filtering and packaging, wherein the grade of a filter element is less than or equal to 5 mu m, and obtaining the transparent coating for the high-scratch-resistance tank.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the invention provides a transparent coating for a high-scratch-resistance tank and a preparation method thereof, and the preparation method is simple, short in production period, high in production efficiency and capable of meeting the conditions of industrial production; the transparent coating for the high-scratch-resistance tank, which is prepared by the preparation method, has high scratch resistance, excellent flexibility, chemical resistance and comprehensive performance, good wear resistance, construction surface glossiness and transparency and strong adhesive force with a base material.
Detailed Description
The following detailed description of preferred embodiments of the invention will be made.
The invention relates to a transparent coating for a high-scratch-resistance tank, which comprises the following components in parts by weight: 20-35 parts of bisphenol A epoxy resin, 1-10 parts of light-color phenolic resin A, 1-10 parts of light-color phenolic resin B, 5-20 parts of dimethylbenzene, 2-10 parts of S100# aromatic hydrocarbon, 8-20 parts of propylene glycol monomethyl ether acetate, 5-25 parts of ethylene glycol monobutyl ether, 2-10 parts of n-butyl alcohol, 0.05-0.5 part of ethylene tetrafluoroethylene modified wax and 0.1-0.5 part of palm wax.
Preferably, the bisphenol A epoxy resin is at least one of bisphenol A epoxy resins of Epon1007 and Epon1009 types produced by Shell company.
Preferably, the light-colored phenolic resin A is bisphenol A type phenolic resin.
Preferably, the light-colored phenolic resin B is tert-butyl phenol type phenolic resin.
Preferably, the ethylene tetrafluoroethylene modified wax is luobu 1780 wax slurry.
Preferably, the palm wax is luobu 4838 wax slurry.
Preferably, the transparent coating for the high-scratch-resistance can is characterized by comprising the following components in parts by weight: 30 parts of bisphenol A epoxy resin, 5 parts of light-color phenolic resin A, 5 parts of light-color phenolic resin B, 13 parts of xylene, 6 parts of S100# aromatic hydrocarbon, 12 parts of propylene glycol methyl ether acetate, 15 parts of ethylene glycol monobutyl ether, 6 parts of n-butyl alcohol, 0.2 part of ethylene tetrafluoroethylene modified wax and 0.35 part of palm wax.
The invention also aims to provide a preparation method of the transparent coating for the high-scratch-resistance can, which comprises the following steps: mixing the components in parts by weight, performing anchor stirring for 30-50 minutes at a speed of 60-80 r/min, dispersing, filtering and packaging, wherein the grade of a filter element is less than or equal to 5 mu m, and obtaining the transparent coating for the high-scratch-resistance tank.
Due to the application of the technical scheme, compared with the prior art, the invention has the following advantages: the invention provides a transparent coating for a high-scratch-resistance tank and a preparation method thereof, and the preparation method is simple, short in production period, high in production efficiency and capable of meeting the conditions of industrial production; the transparent coating for the high-scratch-resistance tank, which is prepared by the preparation method, has high scratch resistance, excellent flexibility, chemical resistance and comprehensive performance, good wear resistance, construction surface glossiness and transparency and strong adhesive force with a base material.
The invention will be further described with reference to specific examples, but the scope of protection of the invention is not limited thereto:
example 1
Embodiment 1 provides a high scratch-resistant clear coating for a can, which is characterized by comprising the following components in parts by weight: 20 parts of bisphenol A epoxy resin, 1 part of light-color phenolic resin A, 1 part of light-color phenolic resin B, 5 parts of xylene, 2 parts of S100# aromatic hydrocarbon, 8 parts of propylene glycol methyl ether acetate, 5 parts of ethylene glycol monobutyl ether, 2 parts of n-butyl alcohol, 0.05 part of ethylene tetrafluoroethylene modified wax and 0.1 part of palm wax.
The bisphenol A epoxy resin is at least one of bisphenol A epoxy resins produced by Shell company and having the model number of Epon 1007; the light-colored phenolic resin A is bisphenol A type phenolic resin; the light-color phenolic resin B is tert-butylphenol type phenolic resin; the ethylene tetrafluoroethylene modified wax is Luobo 1780 wax slurry; the palm wax is luobu 4838 wax slurry.
The transparent coating for the high-scratch-resistance tank also comprises 1 part of amino-terminated hyperbranched compound quaternary ammonium salt.
The preparation method of the transparent coating for the high-scratch-resistance tank is characterized by comprising the following steps of: mixing the components in parts by weight, performing anchor stirring for 30-50 minutes at a speed of 60-80 r/min, dispersing, filtering and packaging, wherein the grade of a filter element is less than or equal to 5 mu m, and obtaining the transparent coating for the high-scratch-resistance tank.
Example 2
Example 2 provides a high scratch resistant clear coating for cans, which has substantially the same formulation and preparation method as example 1, except that it comprises the following components in parts by weight: 25 parts of bisphenol A epoxy resin, 3 parts of light-color phenolic resin A, 4 parts of light-color phenolic resin B, 10 parts of xylene, 4 parts of S100# aromatic hydrocarbon, 12 parts of propylene glycol methyl ether acetate, 11 parts of ethylene glycol monobutyl ether, 5 parts of n-butyl alcohol, 0.2 part of ethylene tetrafluoroethylene modified wax and 0.15 part of palm wax.
Example 3
Example 3 provides a high scratch resistant clear coating for cans, the formulation and preparation method of which is substantially the same as example 1, except that the clear coating comprises the following components in parts by weight: 30 parts of bisphenol A epoxy resin, 5 parts of light-color phenolic resin A, 5 parts of light-color phenolic resin B, 13 parts of xylene, 6 parts of S100# aromatic hydrocarbon, 12 parts of propylene glycol methyl ether acetate, 15 parts of ethylene glycol monobutyl ether, 6 parts of n-butyl alcohol, 0.2 part of ethylene tetrafluoroethylene modified wax and 0.35 part of palm wax.
Example 4
Example 4 provides a high scratch resistant clear coating for cans, which has substantially the same formulation and preparation method as example 1, except that it comprises the following components in parts by weight: 20-35 parts of bisphenol A epoxy resin, 1-10 parts of light-color phenolic resin A, 1-10 parts of light-color phenolic resin B, 5-20 parts of dimethylbenzene, 2-10 parts of S100# aromatic hydrocarbon, 8-20 parts of propylene glycol monomethyl ether acetate, 5-25 parts of ethylene glycol monobutyl ether, 2-10 parts of n-butyl alcohol, 0.05-0.5 part of ethylene tetrafluoroethylene modified wax and 0.1-0.5 part of palm wax.
Example 5
Example 5 provides a high scratch resistant clear coating for cans, the formulation and preparation method of which is substantially the same as example 1, except that the clear coating comprises the following components in parts by weight: 35 parts of bisphenol A epoxy resin, 10 parts of light-color phenolic resin A, 10 parts of light-color phenolic resin B, 20 parts of xylene, 10 parts of S100# aromatic hydrocarbon, 20 parts of propylene glycol methyl ether acetate, 25 parts of ethylene glycol monobutyl ether, 10 parts of n-butyl alcohol, 0.5 part of ethylene tetrafluoroethylene modified wax and 0.5 part of palm wax.
Comparative example 1
Comparative example 1 provides a clear coating for highly scratch resistant cans of substantially the same formulation and preparation as in example 1 except that no quaternary ammonium salt of an amino-terminated hyperbranched compound was added.
Comparative example 2
Comparative example 2 provides a highly scratch resistant clear coating for cans of substantially the same formulation and preparation as in example 1 except that no ethylene tetrafluoroethylene modified wax was added.
Comparative example 3
Comparative example 3 provides a high scratch resistant clear coating for cans of substantially the same formulation and preparation as in example 1 except that no light colored phenolic resin B was added.
In order to further illustrate the beneficial technical effects of the transparent paint for the high scratch resistance can related to the embodiment of the invention, the transparent paint for the high scratch resistance can of the embodiment and the comparative example is subjected to related performance tests, the test results are shown in table 1, and the test methods are as follows:
(1) scratch resistance: the scratch resistance instrument of Shell company is adopted for testing, and each product is singly coated by 6-7g/m2And (4) testing.
(2) Adhesion force: the test was carried out according to GB/T9286-88 (grade 1-5).
(3) Resistance to water cooking; testing according to QB/T2763-2006; heating in water at 121 deg.C for 1h, and classifying according to 1-10, wherein 1 is completely non-whitening and 10 is seriously whitening.
(4) Alkali resistance test performance; heating to 0.1% sodium hydroxide solution (mass concentration) at 121 deg.C for 1h, and classifying according to 1-5, wherein 1 is completely free from whitening and 5 is seriously whitened; the test results are shown in Table 1.
TABLE 1 Properties of samples of examples and comparative examples
As can be seen from the above table, the high scratch resistance clear coating for cans disclosed in the examples of the present invention has good scratch resistance, and in addition, has strong adhesion and water resistance, which are the result of the synergistic effect of the components.
The above-mentioned embodiments are merely illustrative of the technical concept and features of the present invention, and the purpose thereof is to enable those skilled in the art to understand the content of the present invention and implement the invention, and not to limit the scope of the present invention, and all equivalent changes or modifications made according to the spirit of the present invention should be covered by the scope of the present invention.
Claims (8)
1. The transparent coating for the high-scratch-resistance tank is characterized by comprising the following components in parts by weight: 20-35 parts of bisphenol A epoxy resin, 1-10 parts of light-color phenolic resin A, 1-10 parts of light-color phenolic resin B, 5-20 parts of dimethylbenzene, 2-10 parts of S100# aromatic hydrocarbon, 8-20 parts of propylene glycol monomethyl ether acetate, 5-25 parts of ethylene glycol monobutyl ether, 2-10 parts of n-butyl alcohol, 0.05-0.5 part of ethylene tetrafluoroethylene modified wax and 0.1-0.5 part of palm wax.
2. The transparent paint for the high scratch resistance can as claimed in claim 1, wherein the bisphenol A epoxy resin is at least one of bisphenol A epoxy resins with model numbers Epon1007 and Epon1009 manufactured by Shell company.
3. The transparent paint for high scratch resistance cans according to claim 1, wherein the light-colored phenolic resin A is bisphenol A type phenolic resin.
4. The transparent paint for the high-scratch-resistance cans as claimed in claim 1, wherein the light-colored phenolic resin B is tert-butylphenol type phenolic resin.
5. The transparent paint for the highly scratch-resistant cans as claimed in claim 1, wherein the ethylene tetrafluoroethylene modified wax is luobu 1780 wax slurry.
6. The high scratch resistance clear coating for the canister according to claim 1, wherein the palm wax is luobu 4838 wax slurry.
7. The transparent paint for the high-scratch-resistance cans as claimed in claim 1, which is characterized by comprising the following components in parts by weight: 30 parts of bisphenol A epoxy resin, 5 parts of light-color phenolic resin A, 5 parts of light-color phenolic resin B, 13 parts of xylene, 6 parts of S100# aromatic hydrocarbon, 12 parts of propylene glycol methyl ether acetate, 15 parts of ethylene glycol monobutyl ether, 6 parts of n-butyl alcohol, 0.2 part of ethylene tetrafluoroethylene modified wax and 0.35 part of palm wax.
8. The transparent paint for the high scratch resistance cans as claimed in any one of claims 1 to 7, wherein the preparation method of the transparent paint for the high scratch resistance cans comprises the following steps: mixing the components in parts by weight, performing anchor stirring for 30-50 minutes at a speed of 60-80 r/min, dispersing, filtering and packaging, wherein the grade of a filter element is less than or equal to 5 mu m, and obtaining the transparent coating for the high-scratch-resistance tank.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011068872.3A CN112266698A (en) | 2020-09-30 | 2020-09-30 | Transparent coating for high-scratch-resistance tank and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202011068872.3A CN112266698A (en) | 2020-09-30 | 2020-09-30 | Transparent coating for high-scratch-resistance tank and preparation method thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN112266698A true CN112266698A (en) | 2021-01-26 |
Family
ID=74338514
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202011068872.3A Pending CN112266698A (en) | 2020-09-30 | 2020-09-30 | Transparent coating for high-scratch-resistance tank and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN112266698A (en) |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527866A (en) * | 2000-10-20 | 2004-09-08 | ������������ʽ���� | Coating composition and method of can inside coating |
| CN103122201A (en) * | 2012-12-12 | 2013-05-29 | 孙才清 | Inner iron printing paint for food packaging |
| CN104628995A (en) * | 2015-01-13 | 2015-05-20 | 廊坊立邦涂料有限公司 | Hyperbranched epoxy resin as well as preparation method and application thereof in coating |
| CN108587403A (en) * | 2018-05-17 | 2018-09-28 | 清远慧谷新材料技术有限公司 | A kind of food cover inner-wall paint and its preparation method and application |
| CN111363507A (en) * | 2018-12-25 | 2020-07-03 | 霍尼韦尔特性材料和技术（中国）有限公司 | Coating composition and application thereof |
-
2020
- 2020-09-30 CN CN202011068872.3A patent/CN112266698A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1527866A (en) * | 2000-10-20 | 2004-09-08 | ������������ʽ���� | Coating composition and method of can inside coating |
| CN103122201A (en) * | 2012-12-12 | 2013-05-29 | 孙才清 | Inner iron printing paint for food packaging |
| CN104628995A (en) * | 2015-01-13 | 2015-05-20 | 廊坊立邦涂料有限公司 | Hyperbranched epoxy resin as well as preparation method and application thereof in coating |
| CN108587403A (en) * | 2018-05-17 | 2018-09-28 | 清远慧谷新材料技术有限公司 | A kind of food cover inner-wall paint and its preparation method and application |
| CN111363507A (en) * | 2018-12-25 | 2020-07-03 | 霍尼韦尔特性材料和技术（中国）有限公司 | Coating composition and application thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王泳厚等: "《涂料防腐蚀技术300问》", 30 September 1995, 金盾出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CA2894159C (en) | Coating compositions for food and beverage containers | |
| CN103849267B (en) | A kind of water-based paint compositions and preparation method thereof | |
| CN109504233A (en) | A kind of heavy antisepsis graphene oxide modified waterborne epoxy priming paint and preparation method thereof | |
| CN103819984A (en) | Packaging coating composition | |
| CN112266698A (en) | Transparent coating for high-scratch-resistance tank and preparation method thereof | |
| CN102863935A (en) | Adhesive, adhesive-based crown cap and preparation method of crown cap | |
| CN110922815B (en) | Water-based paint coated in metal packaging tin and preparation method thereof | |
| CN107011791B (en) | A kind of organic-inorganic composite shop primer of not zincilate and preparation method thereof | |
| CN115141532B (en) | Low-VOC safe and environment-friendly water-based paint and preparation method thereof | |
| CN104263076B (en) | Laughable red pair of PE ink of environment-friendly type and preparation method thereof | |
| CN100351327C (en) | Additives for low voc aqueous coatings | |
| CN114736594A (en) | Water-based single-component polyurethane varnish for galvanized sheet and preparation method thereof | |
| CN104403434A (en) | Coating composition | |
| CN106947353A (en) | A kind of environment-friendly type waterproof paint and its preparation technology | |
| CN110128902A (en) | A kind of water boiling resistance high-temperature baking type glass protection coating and preparation method thereof | |
| AU2006203177B2 (en) | Additives for low VOC aqueous coatings | |
| CN109251630A (en) | A kind of solvent-free Container inner wall coating without plasticiser | |
| CN112280453A (en) | Fingerprint-resistant surface treating agent for galvanized steel sheet and preparation method thereof | |
| CN114958144A (en) | Water-based woodenware coating and preparation method thereof | |
| CN109207025A (en) | A kind of metal packaging coating and preparation method thereof | |
| CN102702835A (en) | Low-VOC (Volatile Organic Compound) water-based coating additive | |
| JPS6197372A (en) | Inner surface coating for alcoholic drink can and can body coated with same |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20210126 |