CN102502071A - Method for preventing dialysis of end face of liquid packaging paper material - Google Patents
Method for preventing dialysis of end face of liquid packaging paper material Download PDFInfo
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- CN102502071A CN102502071A CN2011104195999A CN201110419599A CN102502071A CN 102502071 A CN102502071 A CN 102502071A CN 2011104195999 A CN2011104195999 A CN 2011104195999A CN 201110419599 A CN201110419599 A CN 201110419599A CN 102502071 A CN102502071 A CN 102502071A
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Abstract
The invention discloses a method for preventing dialysis of the end face of a liquid packaging paper material. The method is characterized by comprising the following steps of: spraying plastic powder on the end face of paper at the inner side of an end overlapping seam of the packaging paper material to form a powder coating; heating the powder coating; obtaining a plastic coating after roasting at a high temperature, leveling and solidifying; and coating the end face of the entire paper by the plastic coating. The method disclosed by the invention has the advantages of simple process, convenience for operation and very good economic and social benefits.
Description
Technical field
The present invention relates to the method that a kind of liquid packaging end face that uses the papery liquid packaging material to process is prevented dialysis, belong to the packing production technical field
Background technology
The packing container of fluid foods such as splendid attire fresh milk, fruit juice, tea beverage has forms such as iron flask, plastic bottle and paper plastic-aluminum MULTILAYER COMPOSITE flexible packaging box at present; Wherein flexible packaging box has become the principal mode of flexible package punch because characteristics such as in light weight, transportation convenient for storing, higher barrier, exquisite appearances.
Because packing box is behind the carrying liquid content, liquid can cause packing box seepage or content rotten through the paper section and the mutual dialysis of packing internal paper at box edge lap position.Addressing this problem becomes those skilled in the art and thirsts for the technical barrier that solves always, and at present, the anti-dialysis technology that the liquid food aseptic packaging material adopts has following several kinds:
1. with outside reflexed behind the inboard paper edge attenuate of flexible package punch lapped seam place, again with another paper limit take by, make flexible package punch inside not have the paper end face.This technology can solve the seepage or the rotten problem of content of packing box, but its deficiency is: the chamfered edge complex process, and the Fabricating machinery precision requirement is high, and production efficiency and yield rate are low.
2. seal at the material side and paste the heat-sealing bar, packaging material section and institute's carrying liquid are isolated with sealing band.The side of having sealed is stuck with paste the box moulding as the overlap joint internal layer.This technical matters is complicated, the course of processing such as need sealing band stickup, flange, seal, block, and manufacturing procedure is more, and it is higher to expend the energy.
3. drench multiple bound edge technology; Promptly drench in the multiple processing of high molecular material process at product, the multiple layer of high score stranguria during pregnancy fabric width is greater than the fabric width of paper, and the direct heat seal of part that double-edged leaching membrane layer exceeds the paper fabric width connects; With the sealing of paper section, overlap again and stick with paste the box moulding.This technological processing link is few, and technology is easy.But this technology can only be drenched again by a space of a whole page product, descends significantly than the couplet of Duoing at present edition pouring demutation product efficient.
4. in inner lapped seam place of flexible package punch, stick on plastic strip and carry out seal.This method not only operation is more, and unstable problem possibly appear in the plastic strip stickup.
Summary of the invention
To the deficiency of prior art, technical matters to be solved by this invention is the method for the anti-dialysis of a kind of papery liquid packaging material end face to be provided, the paper section at solution paper wrapper inside lap position and the problem of the mutual dialysis of liquid.
For solveing the technical problem, the present invention adopts following technical scheme:
The method of the anti-dialysis of a kind of papery liquid packaging material end face; It is that plastic powders formation powdery coating is gone up in the paper end face spraying that lapped seam place of paper wrapper end face is inboard; Heating then, curing obtains plastic coat through the high-temperature baking levelling, and plastic coat coats whole paper end face.
Above-mentioned method; It is the paper end face that lapped seam place of paper wrapper end face is inboard, forms the powdery coating with the electrostatic spraying plastic powders, again through 180 ℃ of high-temperature bakings; The dusty material levelling is solidified obtain plastic coat; And evenly bonding closely with paper wrapper, coat whole paper end face, the section of isolated papery and extraneous contacting.
Described plastic powders is LDPE thermoplastic powder or food stage thermosetting polyester powdery paints.
A kind of papery liquid packaging forms with the paper wrapper overlap joint, and it also is equipped with plastic coat on the paper end face of paper wrapper end face lapped seam place inboard, and plastic coat coats whole paper end face.
The invention has the beneficial effects as follows:
The paper end face that lapped seam place of papery liquid packaging material is inboard, with static or alternate manner spraying plastic powders, and heat fused, make the paper end face by plastic overmold, reach buffer action, in case the dialysis of not-go-end face.This method technology is simple, and is easy to operate, has good economic and social benefit.
Description of drawings
Below in conjunction with accompanying drawing and embodiment, the present invention is further elaborated.
Fig. 1 is the structural representation of papery liquid packaging material of the present invention;
Fig. 2 is the structural representation of papery liquid packaging material end face lapped seam place.
The specific embodiment
As shown in Figure 1, the method for the anti-dialysis of a kind of papery liquid packaging material end face, it is paper wrapper 1 end face that papery 1 end face lapped seam place is inboard; Form the powdery coating with LDPE thermoplastic powder on the electrostatic spraying or food stage thermosetting polyester powder; Through 180 ℃ of high-temperature bakings, make the dusty material adhere become plastic layer 2 again, and evenly bonding closely with paper wrapper 1; Coat the end face of paper wrapper 1, the section of isolated paper wrapper 1 and extraneous contacting.Shown in Figure 2 is the structure that above-mentioned papery liquid packaging material 1 is accomplished the seam after overlapping.Can find out; The end face of the paper wrapper 1 that this seam is inboard is coated by plastic layer 2, and with the papery liquid packaging that above-mentioned paper wrapper 1 overlap joint forms, its plastic coat 2 coats whole inboard paper end face; Isolated liquid and section, made it and to contact.
The paper end face that the present invention is inboard with lapped seam place of papery liquid packaging material, with static or alternate manner spraying plastic powders, and heat fused, make the paper end face by plastic overmold, play the effect of fluid partitioning and section, in case the dialysis of not-go-end face.This method technology is simple, and is easy to operate, has good economic and social benefit.
Claims (4)
1. the method for the anti-dialysis of a papery liquid packaging material end face; It is characterized in that: it is gone up plastic powders for the paper end face spraying that lapped seam place of paper wrapper end face is inboard and forms the powdery coating; Heating then; Curing obtains plastic coat through the high-temperature baking levelling, and plastic coat coats whole paper end face.
2. method according to claim 1; It is characterized in that: it forms the powdery coating with the electrostatic spraying plastic powders, again through 180 ℃ of high-temperature bakings for the paper end face that lapped seam place of paper wrapper end face is inboard; The dusty material levelling is solidified obtain plastic coat; And evenly bonding closely with paper wrapper, coat whole paper end face, the section of isolated papery and extraneous contacting.
3. method according to claim 2 is characterized in that: described plastic powders is LDPE thermoplastic powder or food stage thermosetting polyester powdery paints.
4. a papery liquid packaging forms with the paper wrapper overlap joint, and it is characterized in that: it also is equipped with plastic coat on the paper end face of paper wrapper end face lapped seam place inboard, plastic coat coats whole paper end face.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104195999A CN102502071A (en) | 2011-12-15 | 2011-12-15 | Method for preventing dialysis of end face of liquid packaging paper material |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011104195999A CN102502071A (en) | 2011-12-15 | 2011-12-15 | Method for preventing dialysis of end face of liquid packaging paper material |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN102502071A true CN102502071A (en) | 2012-06-20 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2011104195999A Pending CN102502071A (en) | 2011-12-15 | 2011-12-15 | Method for preventing dialysis of end face of liquid packaging paper material |
Country Status (1)
| Country | Link |
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| CN (1) | CN102502071A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594126A (en) * | 2015-01-14 | 2015-05-06 | 深圳市美盈森环保科技股份有限公司 | Process method for baking and molding surface of paperboard |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3923238A (en) * | 1974-05-22 | 1975-12-02 | Deering Milliken Res Corp | Non-wicking container |
| WO1996018544A1 (en) * | 1994-12-14 | 1996-06-20 | International Paper Company | Packages with protected raw edges and method of manufacture |
| JPH08217054A (en) * | 1995-02-20 | 1996-08-27 | Toppan Printing Co Ltd | Gas barrier type paper container |
| CN1198108A (en) * | 1995-08-10 | 1998-11-04 | 赫伯兹粉末涂层公司 | Method for powder coating and powder for use in said method |
| CN201357967Y (en) * | 2009-01-19 | 2009-12-09 | 李玉龙 | Anti-seepage packaging container |
| CN102502070A (en) * | 2011-11-18 | 2012-06-20 | 青岛人民印刷有限公司 | Paper liquid packaging material with end surface anti-dialysis function as well as processing method thereof and liquid packaging box |
| CN202414425U (en) * | 2011-11-18 | 2012-09-05 | 青岛人民印刷有限公司 | Paper liquid packaging material with dialysis prevention on end face and liquid packaging box thereof |
| CN202624786U (en) * | 2011-12-15 | 2012-12-26 | 青岛人民印刷有限公司 | Paper-made liquid packaging box |
-
2011
- 2011-12-15 CN CN2011104195999A patent/CN102502071A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3923238A (en) * | 1974-05-22 | 1975-12-02 | Deering Milliken Res Corp | Non-wicking container |
| WO1996018544A1 (en) * | 1994-12-14 | 1996-06-20 | International Paper Company | Packages with protected raw edges and method of manufacture |
| JPH08217054A (en) * | 1995-02-20 | 1996-08-27 | Toppan Printing Co Ltd | Gas barrier type paper container |
| CN1198108A (en) * | 1995-08-10 | 1998-11-04 | 赫伯兹粉末涂层公司 | Method for powder coating and powder for use in said method |
| CN201357967Y (en) * | 2009-01-19 | 2009-12-09 | 李玉龙 | Anti-seepage packaging container |
| CN102502070A (en) * | 2011-11-18 | 2012-06-20 | 青岛人民印刷有限公司 | Paper liquid packaging material with end surface anti-dialysis function as well as processing method thereof and liquid packaging box |
| CN202414425U (en) * | 2011-11-18 | 2012-09-05 | 青岛人民印刷有限公司 | Paper liquid packaging material with dialysis prevention on end face and liquid packaging box thereof |
| CN202624786U (en) * | 2011-12-15 | 2012-12-26 | 青岛人民印刷有限公司 | Paper-made liquid packaging box |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104594126A (en) * | 2015-01-14 | 2015-05-06 | 深圳市美盈森环保科技股份有限公司 | Process method for baking and molding surface of paperboard |
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| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C02 | Deemed withdrawal of patent application after publication (patent law 2001) | ||
| WD01 | Invention patent application deemed withdrawn after publication |
Application publication date: 20120620 |