CN113335712A - Aluminum easy-to-open cover with internal coating layer having oxygen absorption function - Google Patents

Aluminum easy-to-open cover with internal coating layer having oxygen absorption function Download PDF

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Publication number
CN113335712A
CN113335712A CN202110581800.7A CN202110581800A CN113335712A CN 113335712 A CN113335712 A CN 113335712A CN 202110581800 A CN202110581800 A CN 202110581800A CN 113335712 A CN113335712 A CN 113335712A
Authority
CN
China
Prior art keywords
aluminum
coating
pop
easy
beer
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
Application number
CN202110581800.7A
Other languages
Chinese (zh)
Inventor
高先国
曲新
曲直
王孔斌
熊昊
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Qingdao Chuanqingyuan New Material Technology Co ltd
Original Assignee
Qingdao Chuanqingyuan New Material Technology Co ltd
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Qingdao Chuanqingyuan New Material Technology Co ltd filed Critical Qingdao Chuanqingyuan New Material Technology Co ltd
Priority to CN202110581800.7A priority Critical patent/CN113335712A/en
Publication of CN113335712A publication Critical patent/CN113335712A/en
Pending legal-status Critical Current

Links

Classifications

    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D17/00—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions
    • B65D17/28—Rigid or semi-rigid containers specially constructed to be opened by cutting or piercing, or by tearing of frangible members or portions at lines or points of weakness
    • B65D17/34—Arrangement or construction of pull or lift tabs
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D3/00—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials
    • B05D3/02—Pretreatment of surfaces to which liquids or other fluent materials are to be applied; After-treatment of applied coatings, e.g. intermediate treating of an applied coating preparatory to subsequent applications of liquids or other fluent materials by baking
    • B05D3/0254—After-treatment
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D7/00—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials
    • B05D7/14—Processes, other than flocking, specially adapted for applying liquids or other fluent materials to particular surfaces or for applying particular liquids or other fluent materials to metal, e.g. car bodies
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D22/00—Shaping without cutting, by stamping, spinning, or deep-drawing
    • B21D22/02—Stamping using rigid devices or tools
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B21—MECHANICAL METAL-WORKING WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D—WORKING OR PROCESSING OF SHEET METAL OR METAL TUBES, RODS OR PROFILES WITHOUT ESSENTIALLY REMOVING MATERIAL; PUNCHING METAL
    • B21D51/00—Making hollow objects
    • B21D51/16—Making hollow objects characterised by the use of the objects
    • B21D51/38—Making inlet or outlet arrangements of cans, tins, baths, bottles, or other vessels; Making can ends; Making closures
    • B21D51/44—Making closures, e.g. caps
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D81/00—Containers, packaging elements, or packages, for contents presenting particular transport or storage problems, or adapted to be used for non-packaging purposes after removal of contents
    • B65D81/24—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants
    • B65D81/26—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators
    • B65D81/266—Adaptations for preventing deterioration or decay of contents; Applications to the container or packaging material of food preservatives, fungicides, pesticides or animal repellants with provision for draining away, or absorbing, or removing by ventilation, fluids, e.g. exuded by contents; Applications of corrosion inhibitors or desiccators for absorbing gases, e.g. oxygen absorbers or desiccants
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B65—CONVEYING; PACKING; STORING; HANDLING THIN OR FILAMENTARY MATERIAL
    • B65D—CONTAINERS FOR STORAGE OR TRANSPORT OF ARTICLES OR MATERIALS, e.g. BAGS, BARRELS, BOTTLES, BOXES, CANS, CARTONS, CRATES, DRUMS, JARS, TANKS, HOPPERS, FORWARDING CONTAINERS; ACCESSORIES, CLOSURES, OR FITTINGS THEREFOR; PACKAGING ELEMENTS; PACKAGES
    • B65D85/00—Containers, packaging elements or packages, specially adapted for particular articles or materials
    • B65D85/70—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for
    • B65D85/72—Containers, packaging elements or packages, specially adapted for particular articles or materials for materials not otherwise provided for for edible or potable liquids, semiliquids, or plastic or pasty materials
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B05—SPRAYING OR ATOMISING IN GENERAL; APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D—PROCESSES FOR APPLYING FLUENT MATERIALS TO SURFACES, IN GENERAL
    • B05D2202/00—Metallic substrate
    • B05D2202/20—Metallic substrate based on light metals
    • B05D2202/25—Metallic substrate based on light metals based on Al

Landscapes

  • Engineering & Computer Science (AREA)
  • Mechanical Engineering (AREA)
  • Food Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Packages (AREA)
  • Paints Or Removers (AREA)

Abstract

The invention discloses an aluminum easy-open cover with an internal coating layer having an oxygen absorption function, which comprises the following steps: adding 1-3% of compound with double bonds into a special solvent type liquid internal coating of an aluminum easy-open cover substrate; step two: placing the coating in the step one into a mixing and stirring tank, and stirring and mixing uniformly at a high speed; step three: then uniformly coating the coating in the second step on the aluminum substrate; step four: then the aluminum base material in the third step is baked for 10 to 12 minutes at a high temperature of 200 ℃; the invention relates to the technical field of aluminum easy-open covers. The aluminum pop-top can cap with the internal coating layer having the oxygen absorption function contains a compound with a double-bond component, and the compound can react with oxygen, so that headspace residual oxygen in pop-top can beer is eliminated, the freshness and the taste of beer are improved, and the problem that the quality guarantee period of the pop-top can beer is influenced because a small amount of air exists at the top of the existing pop-top can beer is solved.

Description

Aluminum easy-to-open cover with internal coating layer having oxygen absorption function
Technical Field
The invention relates to the technical field of aluminum easy-open covers, in particular to an aluminum easy-open cover with an internal coating layer surface having an oxygen absorption function.
Background
Metallic beer beverage packaging cans have been in the past for over 70 years. In the early 20 th 30 s, the U.S. had begun producing beer metal cans, which were made of tinplate, with a conical top and crown can top. Their general appearance is not too different from that of glass bottles, so they were initially filled in glass bottle filling lines, which were not available until the last 50 th century. The can lid evolved into a flat shape in the mid 50's and improved to an aluminum ring lid in the last 60's.
However, most of the top of the existing pop-top can beer has a small amount of air, and oxygen in the air easily influences the quality of the pop-top can beer, so that the freshness and the taste of the pop-top can beer are influenced, the storage date of the pop-top can beer is shortened, and the quality guarantee period of the pop-top can beer is influenced.
Disclosure of Invention
Technical problem to be solved
Aiming at the defects of the prior art, the invention provides an aluminum pop-top cover with an internal coating layer and an oxygen absorption function, and solves the problems that a small amount of air is mostly arranged at the top of the existing pop-top can beer, the quality of the pop-top can beer is easily influenced by the oxygen in the air, the freshness and the taste of the pop-top can beer are influenced, the preservation date of the pop-top can beer is shortened, and the quality guarantee period of the pop-top can beer is influenced.
(II) technical scheme
In order to achieve the purpose, the invention is realized by the following technical scheme: an aluminum easy-open cover with an internal coating layer having an oxygen absorption function is prepared by the following steps:
the method comprises the following steps: adding 1-3% of compound with double bonds into a special solvent type liquid internal coating of an aluminum easy-open cover substrate;
step two: placing the coating in the step one into a mixing and stirring tank, and stirring and mixing uniformly at a high speed;
step three: then uniformly coating the coating in the second step on the aluminum substrate;
step four: then the aluminum base material in the third step is baked for 10 to 12 minutes at a high temperature of 200 ℃;
step five: and C, manufacturing the finished product aluminum base material in the step four into the easy-to-open cover by special processing equipment.
Preferably, in the first step, the special solvent-based liquid inner coating of the aluminum easy-open lid substrate is a coating for metal packaging with an oxygen absorption function, and the compound with double bonds is a linear high molecular compound which is formed by condensation polymerization of saturated dibasic acid and unsaturated dihydric alcohol and has ester bonds and unsaturated double bonds.
Preferably, in the second step, the rotating speed of a stirring rod in the mixing and stirring tank is 300-600 r/min.
Preferably, in the third step, the surface of the aluminum substrate is polished and cleaned.
Preferably, in the fourth step, the aluminum substrate coated with the paint is kept at the high temperature of 200 ℃ for baking for 10 to 12 minutes.
Preferably, in the fifth step, the finished aluminum base material passes through a stamping mechanism, and is stamped into the aluminum easy-open cover through a die, and the inner surface is the surface with the coating.
(III) advantageous effects
The invention provides an aluminum easy-to-pull cover with an internal coating layer having an oxygen absorption function. Compared with the prior art, the method has the following beneficial effects:
1. this aluminium easy-open cover that interior coating level has oxygen uptake function, contain the compound of a double bond composition through the interior coating level at easy-open cover, this compound can react with oxygen to clear away the headspace residual oxygen in the easy open can beer, promote the new freshness and the taste of beer, but the top of current easy open can beer has a small amount of air mostly, oxygen in the air influences the quality of easy open can beer easily, make the new freshness and the taste of easy open can beer receive the influence, make the date of preservation of easy open can beer shorten, influenced the problem of easy open can beer shelf life.
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: an aluminum easy-open cover with an internal coating layer having an oxygen absorption function is prepared by the following steps:
the method comprises the following steps: adding 1-3% of compound with double bonds into a special solvent type liquid internal coating of an aluminum easy-open cover substrate; the special solvent type liquid inner coating of the aluminum easy-open cover base material is a coating which has an oxygen absorption function and is used for metal packaging, and the compound 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;
step two: placing the coating in the step one into a mixing and stirring tank, and stirring and mixing uniformly at a high speed;
the rotating speed of a stirring rod in the mixing and stirring tank is 300-600 r/min;
step three: then uniformly coating the coating in the second step on the aluminum substrate; the surface of the aluminum base material is polished and cleaned;
step four: then the aluminum base material in the third step is baked for 10 minutes at the high temperature of 200 ℃; the aluminum substrate coated with the paint is kept at a high temperature of 200 ℃ for baking for 10 to 12 minutes;
step five: making the finished product aluminum base material in the step four into an easy-to-open cover by special processing equipment; and the finished product aluminum base material is punched into the aluminum easy-open cover through a punching mechanism and a die, and the inner surface of the aluminum easy-open cover is the surface with the coating.
The compound containing a double-bond component is contained on the inner coating surface of the pop-top can, and the compound can react with oxygen, so that headspace residual oxygen in pop-top can beer is eliminated, the freshness and the taste of beer are improved, the problem that most of tops of existing pop-top can beer have a small amount of air, the quality of the pop-top can beer is easily influenced by the oxygen in the air, the freshness and the taste of the pop-top can beer are influenced, the preservation date of the pop-top can beer is shortened, and the quality guarantee period of the pop-top can beer is influenced is solved.
The compound containing a double-bond component is contained on the inner coating surface of the pop-top can, and the compound can react with oxygen, so that headspace residual oxygen in pop-top can beer is eliminated, the freshness and the taste of beer are improved, the problem that most of tops of existing pop-top can beer have a small amount of air, the quality of the pop-top can beer is easily influenced by the oxygen in the air, the freshness and the taste of the pop-top can beer are influenced, the preservation date of the pop-top can beer is shortened, and the quality guarantee period of the pop-top can beer is influenced is solved.
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. An aluminum easy-open cover with an internal coating layer having an oxygen absorption function is characterized in that: the preparation method specifically comprises the following steps:
the method comprises the following steps: adding 1-3% of compound with double bonds into a special solvent type liquid internal coating of an aluminum easy-open cover substrate;
step two: placing the coating in the step one into a mixing and stirring tank, and stirring and mixing uniformly at a high speed;
step three: then uniformly coating the coating in the second step on the aluminum substrate;
step four: then the aluminum base material in the third step is baked for 10 to 12 minutes at a high temperature of 200 ℃;
step five: and C, manufacturing the finished product aluminum base material in the step four into the easy-to-open cover by special processing equipment.
2. The aluminum pop-top cover with an inner coated layer surface having an oxygen absorbing function as claimed in claim 1, wherein: in the first step, the special solvent type liquid inner coating of the aluminum easy-open cover substrate is a coating which has an oxygen absorption function and is used for metal packaging, and the compound 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.
3. The aluminum pop-top cover with an inner coated layer surface having an oxygen absorbing function as claimed in claim 1, wherein: in the second step, the rotating speed of a stirring rod in the mixing and stirring tank is 300-600 r/min.
4. The aluminum pop-top cover with an inner coated layer surface having an oxygen absorbing function as claimed in claim 1, wherein: and in the third step, the surface of the aluminum base material is polished and cleaned.
5. The aluminum pop-top cover with an inner coated layer surface having an oxygen absorbing function as claimed in claim 1, wherein: in the fourth step, the side of the aluminum substrate coated with the coating is kept at the high temperature of 200 ℃ for baking for 10 to 12 minutes.
6. The aluminum pop-top cover with an inner coated layer surface having an oxygen absorbing function as claimed in claim 1, wherein: and fifthly, stamping the finished product aluminum base material into the aluminum easy-open cover through a stamping mechanism by using a die, wherein the inner surface of the aluminum easy-open cover is the surface with the coating.
CN202110581800.7A 2021-05-24 2021-05-24 Aluminum easy-to-open cover with internal coating layer having oxygen absorption function Pending CN113335712A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
CN202110581800.7A CN113335712A (en) 2021-05-24 2021-05-24 Aluminum easy-to-open cover with internal coating layer having oxygen absorption function

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN202110581800.7A CN113335712A (en) 2021-05-24 2021-05-24 Aluminum easy-to-open cover with internal coating layer having oxygen absorption function

Publications (1)

Publication Number Publication Date
CN113335712A true CN113335712A (en) 2021-09-03

Family

ID=77471746

Family Applications (1)

Application Number Title Priority Date Filing Date
CN202110581800.7A Pending CN113335712A (en) 2021-05-24 2021-05-24 Aluminum easy-to-open cover with internal coating layer having oxygen absorption function

Country Status (1)

Country Link
CN (1) CN113335712A (en)

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