CN103409035A - Special paint for food can and preparation method thereof - Google Patents
Special paint for food can and preparation method thereof Download PDFInfo
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- CN103409035A CN103409035A CN2013102830888A CN201310283088A CN103409035A CN 103409035 A CN103409035 A CN 103409035A CN 2013102830888 A CN2013102830888 A CN 2013102830888A CN 201310283088 A CN201310283088 A CN 201310283088A CN 103409035 A CN103409035 A CN 103409035A
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Abstract
The invention belongs to and relates to the technical field of can processing, and particularly relates to in-can paint for a can pack and preparation thereof. The special paint for a food can comprises the following components in percentage by mass: 30-70% of resin, 2-3% of amino, 0.5-2% of curing agent, 0.5-2% of surface accelerator and 56-67% of solvent. The special paint for a food can only contains an extremely small amount of benzene, and has no toxic action on human bodies. The paint provided by the invention has very high corrosion resistance and rust resistance, favorable acid resistance and sulfidation resistance, and high resistance to elevated temperatures. The paint provided by the invention is simple and quick in storage method and high in production efficiency.
Description
Technical field
The invention belongs to and relate to the can processing technical field, relate in particular coating and preparation thereof in a kind of can packing tank.
Technical background
Existing can internal packing coating contains higher benzene content more, human body healthy caused to huge harm, non-corrosibility and the rustless property of while can internal packing coating, antiacid anti-curability, resistance to elevated temperatures all can not meet the requirement of food hygiene quality safety.
Summary of the invention
The technical problem to be solved in the present invention is to provide the canned food tailor-(made) coating of the antiacid anti-sulphur toxicological harmless material of a kind of anti-corruption and the method for processing preparation thereof.
For solving the problems of the technologies described above, the invention provides a kind of canned food tailor-(made) coating, comprise following composition: resin, amino, solidifying agent, surface promoter and solvent, the contained mass percent of described mentioned component is: resin 30～37%, amino 2～3%, solidifying agent 0.5～2%, surface promoter 0.5～2% and solvent 56～67%.
Preferably, the contained mass percent of mentioned component is: resin 34%, amino 2%, solidifying agent 1%, surface promoter 1% and solvent 62%.
Preferably, amino is aminoresin.
Preferably, resin comprises epoxy resin, resol and low-molecular-weight epoxy resin.
Preferably, epoxy resin, resol and low-molecular-weight epoxy resin account for coating total quality per-cent and are: epoxy resin 20%, resol 10% and low-molecular-weight epoxy resin 4%.
Preferably, solvent comprises one or more the mixture in pimelinketone, ethylene glycol monobutyl ether, N-BUTYL ACETATE, propyl carbinol.
A kind of canned food tailor-(made) coating and preparation method thereof mainly comprises the following steps:
1. solvent be placed in to container and add epoxy resin to container, stirring and dissolving, obtain solution mixture;
2. the solution mixture in inciting somebody to action 1. filters, and purifies, and obtains the solution of composition granule shape impurity;
3. in the solution in 2., add resol, low-molecular-weight epoxy resin, amino, stirring and dissolving, obtain mixing solutions and be cooled to 50 ℃.
4. the mixing solutions obtained in inciting somebody to action 3. filters, and obtains not containing the solution of particulate contamination,
5. to the solution obtained in 4., add solidifying agent and surface promoter, guarantee that solution enough stirs half an hour, and be cooled to 40 ℃, obtain coating;
6. the coating arrived in inciting somebody to action 5., through check, obtains the coating finished product.
Adopt the beneficial effect of technique scheme to be: epoxy resin is the important thermosetting resin of a class, be widely used in tamanori, the purposes such as coating, resol, it is a kind of synthetic plastics, colourless or tawny transparent solid, thermotolerance, flame resistivity, water tolerance, alkali resistance, oil-proofness, erosion resistance etc., the aqueous solution of aminoresin has the strongly-acid equal with hydrochloric acid, sulfuric acid etc., it has non-volatile, odorless and the characteristics minimum to human toxicity, and the aminoresin aqueous solution is slower to the corrosion product effect of iron; In canned food tailor-(made) coating of the present invention, only contain and micro-benzene, to the human body free of toxic effects, coating of the present invention has extremely strong non-corrosibility and rustless property, has good antiacid anti-curability, has stronger resistance to elevated temperatures; The method of stocking of coating of the present invention is simple, and fast, production efficiency is high.
Embodiment
Below technical scheme of the present invention is described, so that those skilled in the art understand.
A kind of canned food tailor-(made) coating, comprise following composition: resin, amino, solidifying agent, surface promoter and solvent, the contained mass percent of described mentioned component is: resin 30～37%, amino 2～3%, solidifying agent 0.5～2%, surface promoter 0.5～2% and solvent 56～67%, the concrete contained mass percent of mentioned component is: resin 34%, amino 2%, solidifying agent 1%, surface promoter 1% and solvent 62%, wherein, amino is aminoresin, resin comprises epoxy resin, resol and low-molecular-weight epoxy resin, epoxy resin, resol and low-molecular-weight epoxy resin account for coating total quality per-cent: epoxy resin 20%, resol 10% and low-molecular-weight epoxy resin 4%, solvent comprises pimelinketone, ethylene glycol monobutyl ether, N-BUTYL ACETATE, the mixture of one or more in propyl carbinol.
A kind of canned food tailor-(made) coating and preparation method thereof mainly comprises the following steps:
1. solvent be placed in to container and add epoxy resin to container, stirring and dissolving, obtain solution mixture;
2. the solution mixture in inciting somebody to action 1. filters, and purifies, and obtains the solution of composition granule shape impurity;
3. in the solution in 2., add resol, low-molecular-weight epoxy resin, amino, stirring and dissolving, obtain mixing solutions, and be cooled to 50 ℃.
4. the mixing solutions obtained in inciting somebody to action 3. filters, and obtains not containing the solution of particulate contamination,
5. to the solution obtained in 4., add solidifying agent and surface promoter, guarantee that solution enough stirs half an hour, and be cooled to 40 ℃, obtain coating;
6. the coating arrived in inciting somebody to action 5., through check, obtains the coating finished product.
Specific embodiment one:
Getting solvent 62kg is placed in reactor 1#, in reactor 1#, add epoxy resin 20kg, carry out the stirring heating dissolving, obtain mixing easily, mixing solutions is filtered and obtains pure solution and be placed in reactor 2#, in reactor 2#, add resol 10kg and low-molecular-weight epoxy resin 4kg and aminoresin 2kg, carry out filtering after the stirring reaction dissolving, solution is placed in reactor 3#, in reactor 3#, add solidifying agent 1kg and surface promoter 1kg, in reactor 3#, be incubated 150 ℃ of reactions 90 minutes, after reactor is cooled to 40 ℃, obtain coating, coating is detected, obtain qualified canned food tailor-(made) coating finished product.
Specific embodiment two:
Getting solvent 59kg is placed in reactor 1#, in reactor 1#, add epoxy resin 20kg, carry out the stirring heating dissolving, obtain mixing solutions, mixing solutions is filtered and obtains pure solution and be placed in reactor 2#, in reactor 2#, add resol 10kg and low-molecular-weight epoxy resin 4kg and aminoresin 3kg, carry out filtering after the stirring reaction dissolving, solution is placed in reactor 3#, in reactor 3#, add solidifying agent 2kg and surface promoter 2kg, in reactor 3#, be incubated 150 ℃ of reactions 90 minutes, after reactor is cooled to 40 ℃, obtain coating, coating is detected, obtain qualified canned food tailor-(made) coating finished product.
Specific embodiment three:
Getting solvent 63kg is placed in reactor 1#, in reactor 1#, add epoxy resin 20kg, carry out the stirring heating dissolving, obtain mixing easily, mixing solutions is filtered and obtains pure solution and be placed in reactor 2#, in reactor 2#, add resol 10kg and low-molecular-weight epoxy resin 4kg and aminoresin 2kg, carry out filtering after the stirring reaction dissolving, solution is placed in reactor 3#, in reactor 3#, add solidifying agent 0.5kg and surface promoter 0.5kg, in reactor 3#, be incubated 150 ℃ of reactions 90 minutes, after reactor is cooled to 40 ℃, obtain coating, coating is detected, obtain qualified canned food tailor-(made) coating finished product.
Through more specific embodiment mono-, specific embodiment two, specific embodiment three, obtain solid content in a kind of coating obtained of specific embodiment and reach 36%, it is golden yellow that color is, the solid content of the coating obtained in specific embodiment two, specific embodiment three is slightly lower than 36%, and it is golden yellow that color also is.
By the above-mentioned canned food tailor-(made) coating made, be applied on can storage can inner face, to be applied to effect preferred aspect on tinplate or plating flatiron, adopt the coating of cylinder coating method, coating got final product tank body in 12 minutes to be prepended to baking in 200～205 ℃ of high temperature.
Adopt the beneficial effect of technique scheme to be: epoxy resin is the important thermosetting resin of a class, be widely used in tamanori, the purposes such as coating, resol, it is a kind of synthetic plastics, colourless or tawny transparent solid, thermotolerance, flame resistivity, water tolerance, alkali resistance, oil-proofness, erosion resistance etc., the aqueous solution of aminoresin has the strongly-acid equal with hydrochloric acid, sulfuric acid etc., it has non-volatile, odorless and the characteristics minimum to human toxicity, and the aminoresin aqueous solution is slower to the corrosion product effect of iron; In canned food tailor-(made) coating of the present invention, only contain and micro-benzene, to the human body free of toxic effects, coating of the present invention has extremely strong non-corrosibility and rustless property, has good antiacid anti-curability, has stronger resistance to elevated temperatures; The method of stocking of coating of the present invention is simple, and fast, production efficiency is high.
Above-mentioned invention is exemplarily described; obviously specific implementation of the present invention is not subject to the restrictions described above; as long as this non-substantially improved that has adopted method design of the present invention and technical scheme to carry out; or without improving, the design of invention and technical scheme are directly applied to other occasions, all within protection scope of the present invention.
Claims (7)
1. canned food tailor-(made) coating, it is characterized in that, comprise following composition: resin, amino, solidifying agent, surface promoter and solvent, the contained mass percent of described mentioned component is: resin 30～37%, amino 2～3%, solidifying agent 0.5～2%, surface promoter 0.5～2% and solvent 56～67%.
2. a kind of canned food tailor-(made) coating according to claim 1, it is characterized in that: the contained mass percent of described composition is: resin 34%, amino 2%, solidifying agent 1%, surface promoter 1% and solvent 62%.
3. a kind of canned food tailor-(made) coating according to claim 2, it is characterized in that: described amino is aminoresin.
4. a kind of canned food tailor-(made) coating according to claim 2, it is characterized in that: described resin comprises epoxy resin, resol and low-molecular-weight epoxy resin.
5. a kind of canned food tailor-(made) coating according to claim 4, it is characterized in that: described epoxy resin, resol and low-molecular-weight epoxy resin account for coating total quality per-cent and are: epoxy resin 20%, resol 10% and low-molecular-weight epoxy resin 4%.
6. a kind of canned food tailor-(made) coating according to claim 1 is characterized in that: described solvent comprises one or more the mixture in pimelinketone, ethylene glycol monobutyl ether, N-BUTYL ACETATE, propyl carbinol.
7. according to described a kind of canned food tailor-(made) coating of claim 1～6 and preparation method thereof, it is characterized in that, mainly comprise the following steps:
1. solvent be placed in to container and add epoxy resin to container, stirring and dissolving, obtain solution mixture;
2. the solution mixture in inciting somebody to action 1. filters, and purifies, and obtains the solution of composition granule shape impurity;
3. in the solution in 2., add resol, low-molecular-weight epoxy resin, amino, stirring and dissolving, obtain mixing solutions, and be cooled to 50 ℃;
4. the mixing solutions obtained in inciting somebody to action 3. filters, and obtains not containing the solution of particulate contamination,
5. to the solution obtained in 4., add solidifying agent and surface promoter, guarantee that solution enough stirs half an hour, and be cooled to 40 ℃, obtain coating.
6. the coating arrived in inciting somebody to action 5., through check, obtains the coating finished product.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
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| CN201310283088.8A CN103409035B (en) | 2013-07-05 | 2013-07-05 | A kind of canned food tailor-(made) coating and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201310283088.8A CN103409035B (en) | 2013-07-05 | 2013-07-05 | A kind of canned food tailor-(made) coating and preparation method thereof |
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| CN103409035A true CN103409035A (en) | 2013-11-27 |
| CN103409035B CN103409035B (en) | 2016-04-06 |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105368253A (en) * | 2015-11-24 | 2016-03-02 | 温州博德科技有限公司 | Aluminum vessel interior surface coating combination and preparation method thereof |
| CN105936792A (en) * | 2016-05-27 | 2016-09-14 | 广西梧州龙鱼漆业有限公司 | Antirust automobile priming paint |
| CN106010092A (en) * | 2016-05-27 | 2016-10-12 | 广西梧州龙鱼漆业有限公司 | Preparation method of antirust automobile primer |
| CN106349862A (en) * | 2016-08-26 | 2017-01-25 | 蚌埠飞浦科技包装材料有限公司 | Food can inner wall coating with high adhesive power |
| CN108587394A (en) * | 2018-04-17 | 2018-09-28 | 苏州市三新包装材料科技有限公司 | A kind of interior spray modified epoxy amido coatings and preparation method thereof of food mental package |
| CN110330857A (en) * | 2019-06-11 | 2019-10-15 | 清远慧谷新材料技术有限公司 | Food packaging metallic paint and preparation method thereof |
| CN111077757A (en) * | 2019-12-03 | 2020-04-28 | 东莞市晶博光电有限公司 | Stereoscopic watch dial and manufacturing process thereof |
| CN116063902A (en) * | 2023-02-07 | 2023-05-05 | 深圳市深赛尔股份有限公司 | Beverage can inner wall paint and preparation method thereof |
| CN116179051A (en) * | 2023-03-06 | 2023-05-30 | 深圳市深赛尔股份有限公司 | Beverage can inner wall anti-corrosion coating and preparation method thereof |
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| JPS6375069A (en) * | 1986-09-18 | 1988-04-05 | Toyo Seikan Kaisha Ltd | Coating material for inner surface of can |
| CN101602925A (en) * | 2008-06-15 | 2009-12-16 | 比亚迪股份有限公司 | A kind of halogen-free ethoxyline resin antiflaming tackiness agent and glued membrane thereof |
| CN102020906A (en) * | 2009-09-18 | 2011-04-20 | 比亚迪股份有限公司 | Coating composition for stainless steel substrate and preparation method thereof, and coating composition-containing stainless steel shell |
-
2013
- 2013-07-05 CN CN201310283088.8A patent/CN103409035B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS6375069A (en) * | 1986-09-18 | 1988-04-05 | Toyo Seikan Kaisha Ltd | Coating material for inner surface of can |
| CN101602925A (en) * | 2008-06-15 | 2009-12-16 | 比亚迪股份有限公司 | A kind of halogen-free ethoxyline resin antiflaming tackiness agent and glued membrane thereof |
| CN102020906A (en) * | 2009-09-18 | 2011-04-20 | 比亚迪股份有限公司 | Coating composition for stainless steel substrate and preparation method thereof, and coating composition-containing stainless steel shell |
Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105368253A (en) * | 2015-11-24 | 2016-03-02 | 温州博德科技有限公司 | Aluminum vessel interior surface coating combination and preparation method thereof |
| CN105936792A (en) * | 2016-05-27 | 2016-09-14 | 广西梧州龙鱼漆业有限公司 | Antirust automobile priming paint |
| CN106010092A (en) * | 2016-05-27 | 2016-10-12 | 广西梧州龙鱼漆业有限公司 | Preparation method of antirust automobile primer |
| CN106349862A (en) * | 2016-08-26 | 2017-01-25 | 蚌埠飞浦科技包装材料有限公司 | Food can inner wall coating with high adhesive power |
| CN108587394A (en) * | 2018-04-17 | 2018-09-28 | 苏州市三新包装材料科技有限公司 | A kind of interior spray modified epoxy amido coatings and preparation method thereof of food mental package |
| CN110330857A (en) * | 2019-06-11 | 2019-10-15 | 清远慧谷新材料技术有限公司 | Food packaging metallic paint and preparation method thereof |
| CN111077757A (en) * | 2019-12-03 | 2020-04-28 | 东莞市晶博光电有限公司 | Stereoscopic watch dial and manufacturing process thereof |
| CN116063902A (en) * | 2023-02-07 | 2023-05-05 | 深圳市深赛尔股份有限公司 | Beverage can inner wall paint and preparation method thereof |
| CN116179051A (en) * | 2023-03-06 | 2023-05-30 | 深圳市深赛尔股份有限公司 | Beverage can inner wall anti-corrosion coating and preparation method thereof |
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| Publication number | Publication date |
|---|---|
| CN103409035B (en) | 2016-04-06 |
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