CN113388309A - Coating with oxygen absorption function for metal packaging - Google Patents
Coating with oxygen absorption function for metal packaging Download PDFInfo
- Publication number
- CN113388309A CN113388309A CN202110564226.4A CN202110564226A CN113388309A CN 113388309 A CN113388309 A CN 113388309A CN 202110564226 A CN202110564226 A CN 202110564226A CN 113388309 A CN113388309 A CN 113388309A
- Authority
- CN
- China
- Prior art keywords
- coating
- parts
- oxygen absorption
- metal
- absorption function
- 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
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Laminated Bodies (AREA)
Abstract
The invention discloses a coating with oxygen absorption function for metal packaging, which comprises the following raw materials in parts by weight: the invention relates to a coating, in particular to a coating prepared from the following raw materials, by weight, 20-25 parts of epoxy resin, 3-5 parts of phenolic resin, 2-3 parts of unsaturated polyester resin with double bonds and 60-70 parts of organic solvent, and relates to the technical field of coatings. The coating with the oxygen absorption function for the metal package is coated on a metal material and comprises tinplate or aluminum material, the coating layer is formed by baking at the high temperature of 200 ℃ for 10-12 minutes, the formed coating layer has the function of absorbing oxygen, the coating is used for food, beer and beverage packages, a small amount of residual oxygen in a packaged material can be removed, the quality guarantee period of the packaged material is prolonged, the freshness and the taste are improved, the problem that most of the inner surface of the existing metal package is not coated with the oxygen absorption coating, when cans are stored, the residual oxygen easily reacts with the inner food cans and the like, the quality guarantee period of the contents is shortened, and the taste of the contents is influenced is solved.
Description
Technical Field
The invention relates to the technical field of coatings, in particular to a coating with an oxygen absorption function for metal packaging.
Background
The metal packaging material has excellent comprehensive performance, rich resources, convenient recovery and treatment and little pollution, so the metal packaging still keeps vitality. Above all, it is distinguished from other packaging materials, which ensure the relative safety and long-lasting quality of the packaged articles. The fundamental reason why metal can ensure the quality of packaged objects is its high stability, which has a very important influence on the storage of the objects and even the logistics field.
The inner surface of the existing metal package is mostly not coated with oxygen-absorbing coating, because a certain amount of oxygen is remained in the metal package when the metal package is filled, and the residual oxygen is easy to react with food cans and the like in the metal package when the metal package is stored, the shelf life of the contents is shortened, and the taste of the contents is influenced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides a coating with an oxygen absorption function for metal packaging, which solves the problems that most of the inner surfaces of the existing metal packaging are not coated with the oxygen absorption coating, and when cans are stored, residual oxygen easily reacts with food cans and the like in the cans, so that the quality guarantee period of contents is shortened, and the taste of the contents is influenced.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: a coating with oxygen absorption function for metal packaging comprises the following raw materials in parts by weight: 20-25 parts of epoxy resin, 3-5 parts of phenolic resin, 2-3 parts of unsaturated polyester resin with double bonds and 60-70 parts of organic solvent.
Preferably, the organic solvent is dimethyl carbonate.
Preferably, the unsaturated polyester resin with double bonds is a linear high molecular compound which is formed by condensation polymerization of saturated dibasic acid unsaturated dihydric alcohol and has ester bonds and unsaturated double bonds.
The invention also discloses a using method of the coating with oxygen absorption function for metal packaging, which comprises the following steps:
the method comprises the following steps: firstly, mixing raw materials of the coating according to a weight ratio to form the coating, and preparing a metal material plate to be coated;
step two: then, uniformly coating the coating in the step one on the surface of one side of the metal material plate;
step three: and finally, baking one side of the metal material plate coated in the step two at a high temperature of 200 ℃ to form a coating on the surface of one side of the metal material plate, wherein the thickness is 0.01-0.10 mm.
Preferably, in the step one, one side of the metal material plate to be coated is cleaned.
Preferably, in the third step, the high-temperature baking time at 200 ℃ is 10-12 minutes.
(III) advantageous effects
The invention provides a coating with oxygen absorption function for metal packaging. Compared with the prior art, the method has the following beneficial effects:
1. the coating with the oxygen absorption function for the metal package is coated on a metal material and comprises tinplate or aluminum material, the coating layer is formed by baking at the high temperature of 200 ℃ for 10-12 minutes, the formed coating layer has the function of absorbing oxygen, the coating is used for food, beer and beverage packages, a small amount of residual oxygen in a packaged material can be removed, the quality guarantee period of the packaged material is prolonged, the freshness and the taste are improved, the problem that most of the inner surface of the existing metal package is not coated with the oxygen absorption coating, when cans are stored, the residual oxygen easily reacts with the inner food cans and the like, the quality guarantee period of the contents is shortened, and the taste of the contents is influenced is solved.
Detailed Description
The technical solutions in the embodiments of the present invention are clearly and completely described, and it is obvious that the described embodiments are only a part of the embodiments of the present invention, and not all embodiments. All other embodiments, which can be derived by a person skilled in the art from the embodiments given herein without making any creative effort, shall fall within the protection scope of the present invention.
The embodiment of the invention provides a technical scheme that: a method for using a coating with oxygen absorption function for metal packaging.
Example 1
The method comprises the following steps: firstly, mixing the raw materials of the coating according to the weight ratio, taking 20 parts of epoxy resin, 3 parts of phenolic resin, 3 parts of unsaturated polyester resin with double bonds, 60 parts of organic solvent and dimethyl carbonate as organic solvent, mixing and stirring to form the coating, preparing a metal material plate to be coated, and cleaning one side of the metal material plate to be coated;
step two: then, uniformly coating the coating in the step one on the surface of one side of the metal material plate;
step three: and finally, baking one side of the metal material plate coated in the step two at the high temperature of 200 ℃ for 10 minutes to form a coating layer with the thickness of 0.05mm on the surface of one side of the metal material plate.
Example 2
The method comprises the following steps: firstly, mixing the raw materials of the coating according to the weight ratio, taking 20 parts of epoxy resin, 3 parts of phenolic resin, 3 parts of unsaturated polyester resin with double bonds, 60 parts of organic solvent and dimethyl carbonate as organic solvent, mixing and stirring to form the coating, preparing a metal material plate to be coated, and cleaning one side of the metal material plate to be coated;
step two: then, uniformly coating the coating in the step one on the surface of one side of the metal material plate;
step three: and finally, baking one side of the metal material plate coated in the step two at the high temperature of 200 ℃ for 10 minutes to form a coating layer with the thickness of 0.06mm on the surface of one side of the metal material plate.
Example 3
The method comprises the following steps: firstly, mixing the raw materials of the coating according to the weight ratio, taking 20 parts of epoxy resin, 3 parts of phenolic resin, 3 parts of unsaturated polyester resin with double bonds, 60 parts of organic solvent and dimethyl carbonate as organic solvent, mixing and stirring to form the coating, preparing a metal material plate to be coated, and cleaning one side of the metal material plate to be coated;
step two: then, uniformly coating the coating in the step one on the surface of one side of the metal material plate;
step three: and finally, baking one side of the metal material plate coated in the step two at the high temperature of 200 ℃ for 10 minutes to form a coating layer with the thickness of 0.07mm on the surface of one side of the metal material plate.
Example 4
The method comprises the following steps: firstly, mixing the raw materials of the coating according to the weight ratio, taking 20 parts of epoxy resin, 3 parts of phenolic resin, 3 parts of unsaturated polyester resin with double bonds, 60 parts of organic solvent and dimethyl carbonate as organic solvent, mixing and stirring to form the coating, preparing a metal material plate to be coated, and cleaning one side of the metal material plate to be coated;
step two: then, uniformly coating the coating in the step one on the surface of one side of the metal material plate;
step three: and finally, baking one side of the metal material plate coated in the step two at the high temperature of 200 ℃ for 10 minutes to form a coating layer with the thickness of 0.10mm on the surface of one side of the metal material plate.
Comparative example 1
Testing the property of the metal material plate without using the coating with oxygen absorption function for metal packaging;
through the comparison of the data and the characteristics, the coating with the oxygen absorption function for the metal package can absorb oxygen, and is suitable for the inner surface of the metal package, and is coated on a metal material, including tinplate or aluminum material, and is baked at the high temperature of 200 ℃ for 10 minutes, so that the formed coating layer has the function of absorbing oxygen, and the coating is used for food, beer and beverage packages, can remove a small amount of residual oxygen in a packaged material, prolongs the quality guarantee period of the packaged material, improves the freshness and the taste, and solves the problem that most of the inner surface of the existing metal package is not coated with the oxygen absorption coating, and when cans are stored, the residual oxygen easily reacts with internal food cans and the like, so that the quality guarantee period of the contents is shortened, and the taste of the contents is influenced.
It is noted that, herein, relational terms such as first and second, and the like may be used solely to distinguish one entity or action from another entity or action without necessarily requiring or implying any actual such relationship or order between such entities or actions. Also, the terms "comprises," "comprising," or any other variation thereof, are intended to cover a non-exclusive inclusion, such that a process, method, article, or apparatus that comprises a list of elements does not include only those elements but may include other elements not expressly listed or inherent to such process, method, article, or apparatus.
Although embodiments of the present invention have been shown and described, it will be appreciated by those skilled in the art that changes, modifications, substitutions and alterations can be made in these embodiments without departing from the principles and spirit of the invention, the scope of which is defined in the appended claims and their equivalents.
Claims (6)
1. A coating with oxygen absorption function for metal packaging is characterized in that: comprises the following raw materials by weight percent: 20-25 parts of epoxy resin, 3-5 parts of phenolic resin, 2-3 parts of unsaturated polyester resin with double bonds and 60-70 parts of organic solvent.
2. The coating with oxygen absorption function for metal packaging as claimed in claim 1, wherein: the organic solvent is dimethyl carbonate.
3. The coating with oxygen absorption function for metal packaging as claimed in claim 1, wherein: the unsaturated polyester resin with double bonds is a linear macromolecular compound which is formed by condensation polymerization of saturated dibasic acid unsaturated dihydric alcohol and has ester bonds and unsaturated double bonds.
4. The use method of the coating with oxygen absorption function for metal packaging as claimed in claim 1, wherein the coating comprises the following steps: the method specifically comprises the following steps:
the method comprises the following steps: firstly, mixing raw materials of the coating according to a weight ratio to form the coating, and preparing a metal material plate to be coated;
step two: then, uniformly coating the coating in the step one on the surface of one side of the metal material plate;
step three: and finally, baking one side of the metal material plate coated in the step two at a high temperature of 200 ℃ to form a coating on the surface of one side of the metal material plate, wherein the thickness is 0.01-0.10 mm.
5. The use method of the coating with oxygen absorption function for metal packaging as claimed in claim 4, wherein the coating comprises the following steps: in the first step, one side of the metal material plate to be coated is cleaned.
6. The use method of the coating with oxygen absorption function for metal packaging as claimed in claim 4, wherein the coating comprises the following steps: in the third step, the high-temperature baking time at 200 ℃ is 10-12 minutes.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110564226.4A CN113388309A (en) | 2021-05-24 | 2021-05-24 | Coating with oxygen absorption function for metal packaging |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN202110564226.4A CN113388309A (en) | 2021-05-24 | 2021-05-24 | Coating with oxygen absorption function for metal packaging |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN113388309A true CN113388309A (en) | 2021-09-14 |
Family
ID=77619025
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN202110564226.4A Pending CN113388309A (en) | 2021-05-24 | 2021-05-24 | Coating with oxygen absorption function for metal packaging |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN113388309A (en) |
Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1503830A (en) * | 2001-04-06 | 2004-06-09 | ������������ʽ���� | Water-based coating composition for inner surface of can and method of coating inner surface of can |
| CN103571303A (en) * | 2013-10-15 | 2014-02-12 | 吴伟峰 | Coating and preparation method and application thereof |
| CN103709910A (en) * | 2013-12-20 | 2014-04-09 | 广州慧谷工程材料有限公司 | BPA-free (bisphenol A-free) food packaging material paint, and preparation method and application thereof |
| CN104309911A (en) * | 2014-09-29 | 2015-01-28 | 无锡华鹏瓶盖有限公司 | Manufacturing process of BPA-NI (Bisphenol A-free) metal bottle cap |
| CN106188586A (en) * | 2016-07-12 | 2016-12-07 | 桐城市凌志彩印包装有限责任公司 | A kind of preparation technology of healthy green high-strength thin-film |
| TW201802029A (en) * | 2016-05-25 | 2018-01-16 | 三井金屬鑛業股份有限公司 | Oxygen scavenger |
| 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 |
| CN109890483A (en) * | 2016-11-09 | 2019-06-14 | 株式会社可乐丽 | Oxygen absorbent |
| CN111479797A (en) * | 2017-11-30 | 2020-07-31 | 株式会社可乐丽 | Compound having unsaturated double bond, oxygen absorbent and resin composition using the same |
-
2021
- 2021-05-24 CN CN202110564226.4A patent/CN113388309A/en active Pending
Patent Citations (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1503830A (en) * | 2001-04-06 | 2004-06-09 | ������������ʽ���� | Water-based coating composition for inner surface of can and method of coating inner surface of can |
| CN103571303A (en) * | 2013-10-15 | 2014-02-12 | 吴伟峰 | Coating and preparation method and application thereof |
| CN103709910A (en) * | 2013-12-20 | 2014-04-09 | 广州慧谷工程材料有限公司 | BPA-free (bisphenol A-free) food packaging material paint, and preparation method and application thereof |
| CN104309911A (en) * | 2014-09-29 | 2015-01-28 | 无锡华鹏瓶盖有限公司 | Manufacturing process of BPA-NI (Bisphenol A-free) metal bottle cap |
| TW201802029A (en) * | 2016-05-25 | 2018-01-16 | 三井金屬鑛業股份有限公司 | Oxygen scavenger |
| CN106188586A (en) * | 2016-07-12 | 2016-12-07 | 桐城市凌志彩印包装有限责任公司 | A kind of preparation technology of healthy green high-strength thin-film |
| CN109890483A (en) * | 2016-11-09 | 2019-06-14 | 株式会社可乐丽 | Oxygen absorbent |
| CN111479797A (en) * | 2017-11-30 | 2020-07-31 | 株式会社可乐丽 | Compound having unsaturated double bond, oxygen absorbent and resin composition using the same |
| 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 |
Non-Patent Citations (2)
| Title |
|---|
| 贺英等: "《涂料树脂化学》", 31 August 2007, 北京：化学工业出版社 * |
| 路飞等: "《食品包装学》", 31 March 2019, 北京：中国轻工业出版社 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| EP2808367A1 (en) | Coating composition, can coating containing same, and can inner surface coating metal material coated with said can coating | |
| US20020183448A1 (en) | Oxygen scavenging monolayer bottles | |
| US20070218304A1 (en) | Active oxygen barrier compositions of poly(hydroxyalkanoates) and articles made thereof | |
| CN105473456B (en) | Coat the beverage container of resveratrol layer | |
| US20220081586A1 (en) | Flexible Container Coating Compositions | |
| EP1728723A1 (en) | Synthetic resin container with high gas barrier performance | |
| CN113388309A (en) | Coating with oxygen absorption function for metal packaging | |
| EP1409600B1 (en) | Bisphenol a diglycidyl ether-free coating composition for metal substrates | |
| JP5733407B2 (en) | Polyester hollow molded body and method for molding polyester hollow molded body | |
| US4744465A (en) | Multi-unit package having reduced taste/flavor imparting materials | |
| JPWO2013154042A1 (en) | Polyester hollow molded body and method for molding polyester hollow molded body | |
| CN113335712A (en) | Aluminum easy-to-open cover with internal coating layer having oxygen absorption function | |
| US2764313A (en) | Coated metal surfaces and process of making same | |
| JP2001072747A (en) | Polyester resin composition, film, and method of lowering low-molecular-weight compound content of polyester | |
| JP2006264734A (en) | Drink aluminum can internal face-coating method and drink aluminum can coated by the method | |
| EP1441895B1 (en) | Method for making hollow bodies, preforms and bottles obtained by said method | |
| WO2022059599A1 (en) | Aluminum can for filling with wine | |
| JP2946882B2 (en) | Aluminum can and manufacturing method thereof | |
| US20140275383A1 (en) | Polybutadiene-Based Coatings for Containers | |
| JPS62152744A (en) | Easy-open can cover made of aluminum for alcohol drink can | |
| RU36102U1 (en) | Containers for alcohol drinks | |
| CN113857021A (en) | Metal beverage can spraying method and application thereof | |
| EP3854582A1 (en) | Double-layer polyester film and laminated metal sheet | |
| US20060078739A1 (en) | Methods for improving barrier of a coated substrate | |
| JPH0576974B2 (en) |
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 | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20210914 |
|
| WD01 | Invention patent application deemed withdrawn after publication |