CN108909012A - A kind of preparation method of water-resistant type corruggted wrapping case - Google Patents
A kind of preparation method of water-resistant type corruggted wrapping case Download PDFInfo
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- CN108909012A CN108909012A CN201810877160.2A CN201810877160A CN108909012A CN 108909012 A CN108909012 A CN 108909012A CN 201810877160 A CN201810877160 A CN 201810877160A CN 108909012 A CN108909012 A CN 108909012A
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- wrapping case
- resistant type
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Classifications
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B—MAKING CONTAINERS OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31B50/00—Making rigid or semi-rigid containers, e.g. boxes or cartons
- B31B50/74—Auxiliary operations
Abstract
The invention discloses a kind of preparation methods of water-resistant type corruggted wrapping case, including following 6 steps：It is prepared by the mixing of waterproof layer raw material, the producing of waterproof layer, waterproof layer coating, hot-press solidifying, corrugated board；The present invention by carrying out coating, dip dyeing treatment for traditional corrugated board surface layer, inner layer respectively, enable monolith corrugated board that there is good water resistance, it ensure that corruggted wrapping case will not effectively improve the water-fast humidity resistance of entire corruggted wrapping case there is a phenomenon where softening breakage when containing the water-bearing articles such as vegetable and fruit；So that being made and obtaining Packaging Box and have excellent waterproof and cold insulating power, while the method for being used to prepare the Packaging Box is simple, raw material is easy to get.
Description
Technical field
The present invention relates to field of packaging material, the preparation method of specifically a kind of water-resistant type corruggted wrapping case.
Background technique
In recent years, since corrugated case has lightweight, resistance to compression, resistance to puncture, tear-proof and buffering, shockproof, easy processing molding
Etc. mechanical performances, can cycling and reutilization, the advantages that no pollution to the environment, it is considered to be the preferred manner of food transport packaging.
But due in it paper be brown paper, boxboard or white board, transport the biggish article of humidity, such as vegetables, aquatic products are easy
Dampness causes carton mechanical property sharply to decline.Therefore it provides a kind of preparation method of water-resistant type corruggted wrapping case is this hair
The problem of bright urgent need to resolve.
Summary of the invention
The purpose of the present invention is to provide a kind of preparation methods of water-resistant type corruggted wrapping case, to solve above-mentioned background skill
The problem of being proposed in art.
To achieve the above object, the present invention provides the following technical solutions：
A kind of preparation method of water-resistant type corruggted wrapping case, includes the following steps：
S1, the mixing of waterproof layer raw material, by low density polyethylene (LDPE), carbon black, nano-titanium dioxide, paraffin, ethyl acetate and dispersing agent
High-speed mixer high speed is uniformly mixed to obtain mixture；Mixing speed is 600-800r/min；
S2, waterproof layer are produced, and the mixture in S1 is put into heating furnace is heated and are stirred, when mixture is in molten condition
Stop heating and keeping the temperature, heating temperature is 80-95 DEG C, and mixture is made equably to be well dispersed in melting higher than melting point of paraffin wax
Paraffin in；Then pass through blow molding process for mixture blow molding；
S3, waterproof layer coating, take surface fibre paper to be laid in work top, and molten state coating made from S2 is uniform using scraper
Be coated on surface fibre paper surface, aluminium foil is laid in surface fibre paper surface after surface fibre paper fully absorbs coating；
S4, hot-press solidifying will coat the cardboard finished and carry out hot-pressing processing, the heating temperature of hot pressing cylinder using hot pressing cylinder in S3
Degree is 200-220 DEG C, pressure 250-300Kg/cm2, time 30min, then removes pressure and peels aluminium foil and keep surface layer fine
Tie up paper cooled to room temperature；
S5, corrugated board preparation, take two parts of surface fibre paper prepared in S4, equal on a wherein surface for two parts of surface fibre paper
Even glue coating；Then between fibrous paper and pressing, surface fibre paper and corrugated paper is glued together and complete corrugated board
Preparation；
The corrugated board prepared in S5 is cut into required shape using die-cutting machine, then passes through pressure by the preparation of S6, carton
Carton is folded out longitudinal impression and lateral impression by line wheel, obtains the up and down lid of carton, finally uses box press by corrugation
Cardboard is bonded into corruggted wrapping case.
As a further solution of the present invention：In step sl, each raw material component usage amount is：Low density polyethylene (LDPE)
80-100 parts, 7-15 parts of carbon black, 10-20 parts of nano-titanium dioxide, 110-150 parts of paraffin, 10-30 parts of ethyl acetate, dispersing agent
3-9 parts.
As further scheme of the invention：In step sl, each raw material component usage amount is：Low density polyethylene
90-98 parts of alkene, 8-12 parts of carbon black, 14-18 parts of nano-titanium dioxide, 120-130 parts of paraffin, 15-25 parts of ethyl acetate, dispersing agent
5-8 parts.
As further scheme of the invention：The low density polyethylene (LDPE) partial size is 1-2mm, low density polyethylene (LDPE) molecule
Amount is 8000-10000, and the partial size of the carbon black is 110-120 μm, the dispersing agent be sodium carboxymethylcellulose, acrylamide,
One of styrene sulfonic acid sodium is a variety of.
A kind of water-resistant type corruggted wrapping case, by the preparation method system of any of the above-described water-resistant type corruggted wrapping case
?.
Compared with prior art, the beneficial effects of the invention are as follows：By by traditional corrugated board surface layer, inner layer respectively into
Row coating, dip dyeing treatment enable monolith corrugated board to have good water resistance, ensure that corruggted wrapping case is containing vegetables
When the water-bearing articles such as fruit the water-fast moisture-proof of entire corruggted wrapping case will not be effectively improved there is a phenomenon where softening breakage
Performance；So that being made and obtaining Packaging Box and have excellent waterproof and cold insulating power, while being used to prepare the Packaging Box
Method is simple, raw material is easy to get.
Specific embodiment
The technical scheme in the embodiments of the invention will be clearly and completely described below, it is clear that described implementation
Example is only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiments of the present invention, this field is common
Technical staff's every other embodiment obtained without making creative work belongs to the model that the present invention protects
It encloses.
Embodiment 1
A kind of preparation method of water-resistant type corruggted wrapping case, includes the following steps：
S1, the mixing of waterproof layer raw material, by low density polyethylene (LDPE), carbon black, nano-titanium dioxide, paraffin, ethyl acetate and dispersing agent
High-speed mixer high speed is uniformly mixed to obtain mixture；
S2, waterproof layer are produced, and the mixture in S1 is put into heating furnace is heated and are stirred, when mixture is in molten condition
Stop heating and keeping the temperature, heating temperature is 82 DEG C, makes mixture equably be well dispersed in melting higher than melting point of paraffin wax
In paraffin；Then pass through blow molding process for mixture blow molding；
S3, waterproof layer coating, take surface fibre paper to be laid in work top, and molten state coating made from S2 is uniform using scraper
Be coated on surface fibre paper surface, aluminium foil is laid in surface fibre paper surface after surface fibre paper fully absorbs coating；
S4, hot-press solidifying will coat the cardboard finished and carry out hot-pressing processing, the heating temperature of hot pressing cylinder using hot pressing cylinder in S3
Degree is 200 DEG C, pressure 250Kg/cm2, time 30min, then removes pressure and peels aluminium foil and keep surface fibre paper natural
It is cooled to room temperature；
S5, corrugated board preparation, take two parts of surface fibre paper prepared in S4, equal on a wherein surface for two parts of surface fibre paper
Even glue coating；Then between fibrous paper and pressing, surface fibre paper and corrugated paper is glued together and complete corrugated board
Preparation；
The corrugated board prepared in S5 is cut into required shape using die-cutting machine, then passes through pressure by the preparation of S6, carton
Carton is folded out longitudinal impression and lateral impression by line wheel, obtains the up and down lid of carton, finally uses box press by corrugation
Cardboard is bonded into corruggted wrapping case.
In step sl, each raw material component usage amount is：80 parts of low density polyethylene (LDPE), 7 parts of carbon black, nanometer titanium dioxide
10 parts of titanium, 115 parts of paraffin, 10 parts of ethyl acetate, 3 parts of dispersing agent.
The low density polyethylene (LDPE) partial size is 1mm；Low density polyethylene (LDPE) molecular weight is 8000, and the partial size of the carbon black is
110μm；The dispersing agent is sodium carboxymethylcellulose.
In step sl, mixing speed 600r/min.
Embodiment 2
A kind of preparation method of water-resistant type corruggted wrapping case, includes the following steps：
S1, the mixing of waterproof layer raw material, by low density polyethylene (LDPE), carbon black, nano-titanium dioxide, paraffin, ethyl acetate and dispersing agent
High-speed mixer high speed is uniformly mixed to obtain mixture；
S2, waterproof layer are produced, and the mixture in S1 is put into heating furnace is heated and are stirred, when mixture is in molten condition
Stop heating and keeping the temperature, heating temperature is 82 DEG C, makes mixture equably be well dispersed in melting higher than melting point of paraffin wax
In paraffin；Then pass through blow molding process for mixture blow molding；
S3, waterproof layer coating, take surface fibre paper to be laid in work top, and molten state coating made from S2 is uniform using scraper
Be coated on surface fibre paper surface, aluminium foil is laid in surface fibre paper surface after surface fibre paper fully absorbs coating；
S4, hot-press solidifying will coat the cardboard finished and carry out hot-pressing processing, the heating temperature of hot pressing cylinder using hot pressing cylinder in S3
Degree is 220 DEG C, pressure 270Kg/cm2, time 30min, then removes pressure and peels aluminium foil and keep surface fibre paper natural
It is cooled to room temperature；
S5, corrugated board preparation, take two parts of surface fibre paper prepared in S4, equal on a wherein surface for two parts of surface fibre paper
Even glue coating；Then between fibrous paper and pressing, surface fibre paper and corrugated paper is glued together and complete corrugated board
Preparation；
The corrugated board prepared in S5 is cut into required shape using die-cutting machine, then passes through pressure by the preparation of S6, carton
Carton is folded out longitudinal impression and lateral impression by line wheel, obtains the up and down lid of carton, finally uses box press by corrugation
Cardboard is bonded into corruggted wrapping case.
In step sl, each raw material component usage amount is：85 parts of low density polyethylene (LDPE), 9 parts of carbon black, nanometer titanium dioxide
12 parts of titanium, 120 parts of paraffin, 10 parts of ethyl acetate, 6 parts of dispersing agent.
The low density polyethylene (LDPE) partial size is 1.2mm；Low density polyethylene (LDPE) molecular weight is 8500, and the partial size of the carbon black is
112μm；The dispersing agent is one of sodium carboxymethylcellulose, acrylamide, styrene sulfonic acid sodium or a variety of.
In step sl, mixing speed 630r/min.
Embodiment 3
A kind of preparation method of water-resistant type corruggted wrapping case, includes the following steps：
S1, the mixing of waterproof layer raw material, by low density polyethylene (LDPE), carbon black, nano-titanium dioxide, paraffin, ethyl acetate and dispersing agent
High-speed mixer high speed is uniformly mixed to obtain mixture；
S2, waterproof layer are produced, and the mixture in S1 is put into heating furnace is heated and are stirred, when mixture is in molten condition
Stop heating and keeping the temperature, heating temperature is 85 DEG C, makes mixture equably be well dispersed in melting higher than melting point of paraffin wax
In paraffin；Then pass through blow molding process for mixture blow molding；
S3, waterproof layer coating, take surface fibre paper to be laid in work top, and molten state coating made from S2 is uniform using scraper
Be coated on surface fibre paper surface, aluminium foil is laid in surface fibre paper surface after surface fibre paper fully absorbs coating；
S4, hot-press solidifying will coat the cardboard finished and carry out hot-pressing processing, the heating temperature of hot pressing cylinder using hot pressing cylinder in S3
Degree is 208 DEG C, pressure 255Kg/cm2, time 30min, then removes pressure and peels aluminium foil and keep surface fibre paper natural
It is cooled to room temperature；
S5, corrugated board preparation, take two parts of surface fibre paper prepared in S4, equal on a wherein surface for two parts of surface fibre paper
Even glue coating；Then between fibrous paper and pressing, surface fibre paper and corrugated paper is glued together and complete corrugated board
Preparation；
The corrugated board prepared in S5 is cut into required shape using die-cutting machine, then passes through pressure by the preparation of S6, carton
Carton is folded out longitudinal impression and lateral impression by line wheel, obtains the up and down lid of carton, finally uses box press by corrugation
Cardboard is bonded into corruggted wrapping case.
In step sl, each raw material component usage amount is：88 parts of low density polyethylene (LDPE), 9 parts of carbon black, nanometer titanium dioxide
11 parts of titanium, 112 parts of paraffin, 13 parts of ethyl acetate, 4 parts of dispersing agent.
The low density polyethylene (LDPE) partial size is 1.5mm；Low density polyethylene (LDPE) molecular weight is 9000, and the partial size of the carbon black is
112μm；The dispersing agent is one of sodium carboxymethylcellulose, acrylamide, styrene sulfonic acid sodium or a variety of.
In step sl, mixing speed 640r/min.
Embodiment 4
A kind of preparation method of water-resistant type corruggted wrapping case, includes the following steps：
S1, the mixing of waterproof layer raw material, by low density polyethylene (LDPE), carbon black, nano-titanium dioxide, paraffin, ethyl acetate and dispersing agent
High-speed mixer high speed is uniformly mixed to obtain mixture；
S2, waterproof layer are produced, and the mixture in S1 is put into heating furnace is heated and are stirred, when mixture is in molten condition
Stop heating and keeping the temperature, heating temperature is 88 DEG C, makes mixture equably be well dispersed in melting higher than melting point of paraffin wax
In paraffin；Then pass through blow molding process for mixture blow molding；
S3, waterproof layer coating, take surface fibre paper to be laid in work top, and molten state coating made from S2 is uniform using scraper
Be coated on surface fibre paper surface, aluminium foil is laid in surface fibre paper surface after surface fibre paper fully absorbs coating；
S4, hot-press solidifying will coat the cardboard finished and carry out hot-pressing processing, the heating temperature of hot pressing cylinder using hot pressing cylinder in S3
Degree is 210 DEG C, pressure 280Kg/cm2, time 30min, then removes pressure and peels aluminium foil and keep surface fibre paper natural
It is cooled to room temperature；
S5, corrugated board preparation, take two parts of surface fibre paper prepared in S4, equal on a wherein surface for two parts of surface fibre paper
Even glue coating；Then between fibrous paper and pressing, surface fibre paper and corrugated paper is glued together and complete corrugated board
Preparation；
The corrugated board prepared in S5 is cut into required shape using die-cutting machine, then passes through pressure by the preparation of S6, carton
Carton is folded out longitudinal impression and lateral impression by line wheel, obtains the up and down lid of carton, finally uses box press by corrugation
Cardboard is bonded into corruggted wrapping case.
In step sl, each raw material component usage amount is：95 parts of low density polyethylene (LDPE), 15 parts of carbon black, nano-silica
Change 20 parts of titanium, 150 parts of paraffin, 30 parts of ethyl acetate, 9 parts of dispersing agent.
The low density polyethylene (LDPE) partial size is 2mm；Low density polyethylene (LDPE) molecular weight is 10000, and the partial size of the carbon black is
120μm；The dispersing agent is one of sodium carboxymethylcellulose, acrylamide, styrene sulfonic acid sodium or a variety of.
In step sl, mixing speed 800r/min.
Embodiment 5
A kind of preparation method of water-resistant type corruggted wrapping case, includes the following steps：
S1, the mixing of waterproof layer raw material, by low density polyethylene (LDPE), carbon black, nano-titanium dioxide, paraffin, ethyl acetate and dispersing agent
High-speed mixer high speed is uniformly mixed to obtain mixture；
S2, waterproof layer are produced, and the mixture in S1 is put into heating furnace is heated and are stirred, when mixture is in molten condition
Stop heating and keeping the temperature, heating temperature is 93 DEG C, makes mixture equably be well dispersed in melting higher than melting point of paraffin wax
In paraffin；Then pass through blow molding process for mixture blow molding；
S3, waterproof layer coating, take surface fibre paper to be laid in work top, and molten state coating made from S2 is uniform using scraper
Be coated on surface fibre paper surface, aluminium foil is laid in surface fibre paper surface after surface fibre paper fully absorbs coating；
S4, hot-press solidifying will coat the cardboard finished and carry out hot-pressing processing, the heating temperature of hot pressing cylinder using hot pressing cylinder in S3
Degree is 220 DEG C, pressure 280Kg/cm2, time 30min, then removes pressure and peels aluminium foil and keep surface fibre paper natural
It is cooled to room temperature；
S5, corrugated board preparation, take two parts of surface fibre paper prepared in S4, equal on a wherein surface for two parts of surface fibre paper
Even glue coating；Then between fibrous paper and pressing, surface fibre paper and corrugated paper is glued together and complete corrugated board
Preparation；
The corrugated board prepared in S5 is cut into required shape using die-cutting machine, then passes through pressure by the preparation of S6, carton
Carton is folded out longitudinal impression and lateral impression by line wheel, obtains the up and down lid of carton, finally uses box press by corrugation
Cardboard is bonded into corruggted wrapping case.
In step sl, each raw material component usage amount is：90 parts of low density polyethylene (LDPE), 14 parts of carbon black, nano-silica
Change 18 parts of titanium, 140 parts of paraffin, 28 parts of ethyl acetate, 8 parts of dispersing agent.
The low density polyethylene (LDPE) partial size is 1.8mm；Low density polyethylene (LDPE) molecular weight is 9500, and the partial size of the carbon black is
117μm；The dispersing agent is one of sodium carboxymethylcellulose, acrylamide, styrene sulfonic acid sodium or a variety of.
In step sl, mixing speed 700r/min.
It is obvious to a person skilled in the art that invention is not limited to the details of the above exemplary embodiments, Er Qie
In the case where without departing substantially from spirit or essential attributes of the invention, the present invention can be realized in other specific forms.Therefore, no matter
From the point of view of which point, the present embodiments are to be considered as illustrative and not restrictive, and the scope of the present invention is by appended power
Benefit requires rather than above description limits, it is intended that all by what is fallen within the meaning and scope of the equivalent elements of the claims
Variation is included within the present invention.
In addition, it should be understood that although this specification is described in terms of embodiments, but not each embodiment is only wrapped
Containing an independent technical solution, this description of the specification is merely for the sake of clarity, and those skilled in the art should
It considers the specification as a whole, the technical solutions in the various embodiments may also be suitably combined, forms those skilled in the art
The other embodiments being understood that.
Claims (9)
1. a kind of preparation method of water-resistant type corruggted wrapping case, which is characterized in that include the following steps：
S1, the mixing of waterproof layer raw material, by low density polyethylene (LDPE), carbon black, nano-titanium dioxide, paraffin, ethyl acetate and dispersing agent
High-speed mixer high speed is uniformly mixed to obtain mixture；
S2, waterproof layer are produced, and the mixture in S1 is put into heating furnace is heated and are stirred, when mixture is in molten condition
Stop heating and keeping the temperature, heating temperature is 80-95 DEG C, and mixture is made equably to be well dispersed in melting higher than melting point of paraffin wax
Paraffin in；Then pass through blow molding process for mixture blow molding；
S3, waterproof layer coating, take surface fibre paper to be laid in work top, and molten state coating made from S2 is uniform using scraper
Be coated on surface fibre paper surface, aluminium foil is laid in surface fibre paper surface after surface fibre paper fully absorbs coating；
S4, hot-press solidifying will coat the cardboard finished and carry out hot-pressing processing, the heating temperature of hot pressing cylinder using hot pressing cylinder in S3
Degree is 200-220 DEG C, pressure 250-300Kg/cm2, time 30min, then removing pressure peels aluminium foil and keeps surface layer fine
Tie up paper cooled to room temperature；
S5, corrugated board preparation, take two parts of surface fibre paper prepared in S4, equal on a wherein surface for two parts of surface fibre paper
Even glue coating；Then between fibrous paper and pressing, surface fibre paper and corrugated paper is glued together and complete corrugated board
Preparation；
The corrugated board prepared in S5 is cut into required shape using die-cutting machine, then passes through pressure by the preparation of S6, carton
Carton is folded out longitudinal impression and lateral impression by line wheel, obtains the up and down lid of carton, finally uses box press by corrugation
Cardboard is bonded into corruggted wrapping case.
2. the preparation method of water-resistant type corruggted wrapping case according to claim 1, which is characterized in that in step sl,
The each raw material component usage amount is：80-100 parts of low density polyethylene (LDPE), 7-15 parts of carbon black, 10-20 parts of nano-titanium dioxide, stone
110-150 parts of wax, 10-30 parts of ethyl acetate, 3-9 parts of dispersing agent.
3. the preparation method of water-resistant type corruggted wrapping case according to claim 2, which is characterized in that in step sl,
The each raw material component usage amount is：90-98 parts of low density polyethylene (LDPE), 8-12 parts of carbon black, 14-18 parts of nano-titanium dioxide, stone
120-130 parts of wax, 15-25 parts of ethyl acetate, 5-8 parts of dispersing agent.
4. the preparation method of water-resistant type corruggted wrapping case according to claim 1, which is characterized in that the low-density is poly-
Ethylene partial size is 1-2mm.
5. the preparation method of water-resistant type corruggted wrapping case according to claim 1 or 4, which is characterized in that low-density is poly-
Ethylene molecule amount is 8000-10000.
6. the preparation method of water-resistant type corruggted wrapping case according to claim 2 or 3, which is characterized in that the carbon black
Partial size be 110-120 μm.
7. the preparation method of water-resistant type corruggted wrapping case according to claim 2 or 3, which is characterized in that the dispersion
Agent is one of sodium carboxymethylcellulose, acrylamide, styrene sulfonic acid sodium or a variety of.
8. the preparation method of water-resistant type corruggted wrapping case according to claim 1, which is characterized in that in step sl,
Mixing speed is 600-800r/min.
9. a kind of water-resistant type corruggted wrapping case, which is characterized in that packed by any water-resistant type corrugation of claim 1-8
The preparation method of carton is made.
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Cited By (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN114589959A (en) * | 2020-12-07 | 2022-06-07 | 台山市志力包装有限公司 | Preparation method of hydrophobic packaging carton |
| CN114589957A (en) * | 2020-12-07 | 2022-06-07 | 台山市志力包装有限公司 | Preparation method of antibacterial packaging carton |
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN114589959A (en) * | 2020-12-07 | 2022-06-07 | 台山市志力包装有限公司 | Preparation method of hydrophobic packaging carton |
| CN114589957A (en) * | 2020-12-07 | 2022-06-07 | 台山市志力包装有限公司 | Preparation method of antibacterial packaging carton |
| CN114589959B (en) * | 2020-12-07 | 2024-01-05 | 台山市志力包装有限公司 | Preparation method of hydrophobic packaging carton |
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