CN101148847B - Liquid and food packing paper and method for producing the same - Google Patents
Liquid and food packing paper and method for producing the same Download PDFInfo
- Publication number
- CN101148847B CN101148847B CN200610122289XA CN200610122289A CN101148847B CN 101148847 B CN101148847 B CN 101148847B CN 200610122289X A CN200610122289X A CN 200610122289XA CN 200610122289 A CN200610122289 A CN 200610122289A CN 101148847 B CN101148847 B CN 101148847B
- Authority
- CN
- China
- Prior art keywords
- paper
- akd
- layer
- liquid
- food wrapper
- 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.)
- Active
Links
- 239000007788 liquid Substances 0.000 title claims abstract description 30
- 235000013305 food Nutrition 0.000 title claims abstract description 27
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 18
- 238000012856 packing Methods 0.000 title claims abstract description 11
- 238000004513 sizing Methods 0.000 claims abstract description 52
- 239000011248 coating agent Substances 0.000 claims abstract description 22
- 238000000576 coating method Methods 0.000 claims abstract description 22
- 230000007935 neutral effect Effects 0.000 claims abstract description 21
- 239000003795 chemical substances by application Substances 0.000 claims abstract description 19
- JVTAAEKCZFNVCJ-UHFFFAOYSA-N lactic acid Chemical compound CC(O)C(O)=O JVTAAEKCZFNVCJ-UHFFFAOYSA-N 0.000 claims abstract description 18
- 239000002994 raw material Substances 0.000 claims abstract description 11
- 239000004310 lactic acid Substances 0.000 claims abstract description 9
- 235000014655 lactic acid Nutrition 0.000 claims abstract description 9
- 239000000123 paper Substances 0.000 claims description 104
- 230000001815 facial effect Effects 0.000 claims description 18
- 210000001519 tissue Anatomy 0.000 claims description 18
- 229920002472 Starch Polymers 0.000 claims description 17
- 235000019698 starch Nutrition 0.000 claims description 17
- 239000008107 starch Substances 0.000 claims description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims description 16
- 210000000498 stratum granulosum Anatomy 0.000 claims description 6
- 239000011111 cardboard Substances 0.000 claims description 5
- 238000002360 preparation method Methods 0.000 claims description 5
- 239000011347 resin Substances 0.000 claims description 4
- 229920005989 resin Polymers 0.000 claims description 4
- 239000011087 paperboard Substances 0.000 claims description 2
- 238000000034 method Methods 0.000 abstract description 12
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 4
- 230000000694 effects Effects 0.000 abstract description 2
- 238000010521 absorption reaction Methods 0.000 abstract 2
- 239000002002 slurry Substances 0.000 description 16
- 230000015556 catabolic process Effects 0.000 description 12
- 238000006731 degradation reaction Methods 0.000 description 12
- 238000001035 drying Methods 0.000 description 9
- 239000012528 membrane Substances 0.000 description 7
- 239000003513 alkali Substances 0.000 description 6
- 125000006850 spacer group Chemical group 0.000 description 4
- 239000000463 material Substances 0.000 description 3
- 150000001875 compounds Chemical class 0.000 description 2
Images
Abstract
The present invention discloses a liquid and food packing paper and its production process, characterized in that: a neutral sizing agent AKD covers the surface of the liquid packing paper, a lactic acid edge water absorption value of the paper is less than or equal to 0.6Kg/m<2>, the H2O2 edge water absorption value is less than or equal to 1.2Kg/m<2>, the neutral sizing agent AKD covers a surface sizing position of the liquid packing paper in the amount of 0.1-2.0 kg/ton, and the sizing amount of the neutral sizing agent is weight by absolute dry. The invention can produce by using a method with a simple process and convenient operation, such as coating on the surface of finished paper or packing base paper by using a built-in coating or built-out coating manner or coating on the paper surface by using a coating manner. The liquid packing paper produced according to the invention, has a short flow for the AKD addition, and effectively control of the colony sum. Compared with the prior art, the raw material consumption of the AKD is greatly reduced and the waterproof effect is excellent.
Description
Technical field
The present invention relates to a kind of liquid and food wrapper and production method thereof.
Background technology
Existing flexible package punch paper technology is the wet end in papermaking, i.e. slurrying partly adds neutral sizing agent AKD, and the consumption of sizing agent is big, adding program trouble, is inconvenient to control.
Summary of the invention
It is convenient to the purpose of this invention is to provide a kind of adding method, and the sizing agent consumption is little, a kind of liquid of being convenient to control and food wrapper and production method thereof.Can be used for the production of single or multiple lift cardboard.
The present invention is achieved in that
Liquid and food wrapper, its special character is: flexible package punch paper surface coverage has neutral sizing agent AKD, the lactic acid edge hygroscopicity value≤0.6Kg/m of page
2, H
2O
2Edge hygroscopicity value≤1.2Kg/m
2, neutral sizing agent AKD is covered in the top sizing place of flexible package punch paper, and the resin added of neutral sizing agent AKD is 0.1～2.0kg/ ton paper consumption, and the resin added of neutral sizing agent AKD is in over dry.
According to the present invention, its special character is: scribble coating or stratum granulosum at recto, the back side is coated with the stratum granulosum that the lower starch solution of water or concentration forms.
According to the present invention, its special character is: said wrapping paper is packing body paper or multi-ply paper or cardboard or single-part stationery or cardboard.
According to the present invention, its special character is: described liquid and food wrapper comprise facial tissue layer, ground paper layer and the core paper layer between facial tissue layer and ground paper layer.
According to the present invention, its special character is: described core paper layer is two layers, three layers or multilayer.
The production method of a kind of liquid and food wrapper; It is characterized in that: in the production process of papermaking; Add a kind of neutral sizing agent AKD at the top sizing place, make page reach a kind of wrapping paper, lactic acid edge hygroscopicity value≤0.6Kg/m the packing instructions of liquid and food
2, H
2O
2Edge hygroscopicity value≤1.2Kg/m
2, all reach the flexible package punch requirement.
The adding point of AKD is selected in the accumulator tank of surface sizing starch or goes up hopper or preparation vessel.
Described liquid and food wrapper, the mode of online interpolation is adopted in the adding of neutral sizing agent AKD; The adjusting of starch pH value is with certain density NaOH solution or Na
2CO
3Solution or NaHCO
3Solution is with the online interpolation of membrane pump; AKD and alkali lye are added in the accumulator tank or the preparation vessel of hopper place on the top sizing or surface sizing starch.
The concentration range of alkali lye is 5～10%, and the AKD addition is ton paper consumption 0.1～2.0kg, is oven-dry weight.
The production method of a kind of liquid and food wrapper is characterized in that: 1. slurrying; 2. delivering to the paper machine manufactures paper with pulp with ground paper layer with facial tissue layer, core paper layer; 3. add AKD solution at paper machine top sizing place.The adding point of AKD is selected in the accumulator tank of surface sizing starch or goes up hopper or preparation vessel.The core paper layer is one deck at least.
The production method of a kind of liquid and food wrapper is characterized in that: the mode of coating contains the raw material of AKD in the employing machine that brings Selection In of AKD in the dispense tip coating of paper machine.1. slurrying; 2. delivering to the paper machine manufactures paper with pulp with ground paper layer with facial tissue layer, core paper layer; 3. be added with the raw material of AKD in the coating of paper machine dispense tip.The core paper layer is one deck at least.
The production method of a kind of liquid and food wrapper is characterized in that: the adding method of AKD is the surface that is coated in into paper or packs body paper with the outer mode that is coated with of machine.
The present invention has the following advantages:
1, the present invention can adopting process simple, easy to operate method production.
2, the flexible package punch paper of producing through the present invention, the adding method flow of AKD is short, and total plate count can be effectively controlled.
3, with respect to prior art, the consumption of raw materials amount of AKD significantly reduces, and waterproof effect is excellent.
Description of drawings
Fig. 1 is a structural representation of the present invention
Fig. 2 is a process chart of the present invention.
The specific embodiment
Below in conjunction with description of drawings embodiment of the present invention: liquid of the present invention and food wrapper can be single ply board or multi-layer compound paper sheets.Give an example with regard to multi-layer compound paper sheets at present: as shown in Figure 1, comprise facial tissue layer 1, ground paper layer 2, core paper layer 3; The core paper layer 3 of flexible package punch paper of the present invention can be two layers, three layers or multilayer; Can be coated with on the surface of facial tissue layer 1 and to coat 4 or coating not, can be coated with the starch solution or the water of low concentration on the surface of ground paper layer 2, form stratum granulosum 4 after the starch solution drying of low concentration.The AKD addition is ton paper consumption 0.1～2.0kg, is oven-dry weight.Neutral sizing agent AKD is covered in the top sizing place of wrapping paper.
1, slurrying
1. facial tissue layer: the pulpboard of facial tissue layer is pulled an oar after through the hydrabrusher size degradation, as for then directly to pull an oar from slurrying, prepares burden then, and the slurry dexter feeder of processing is manufactured paper with pulp.
2. core paper layer: the pulpboard of core paper layer is discongested after through the hydrabrusher size degradation or is pulled an oar, and as for then directly discongesting from slurrying or pulling an oar, prepares burden then, and the slurry dexter feeder of processing is manufactured paper with pulp.
3. ground paper layer: the pulpboard of ground paper layer is pulled an oar after through the hydrabrusher size degradation, as for then directly to pull an oar from slurrying, prepares burden then, and the slurry dexter feeder of processing is manufactured paper with pulp.
2, the adding of AKD
AKD solution is added in the last hopper of surface sizing starch with the amount of membrane pump with ton paper consumption 0.5kg over dry.
3, the adjusting of pH value
Because AKD just can obtain best sizing efficiency, the Na at the top sizing place with 9% concentration under the neutral and alkali condition
2CO
3Solution is added in the last hopper of surface sizing starch with membrane pump with the mode of online interpolation, and the pH value that makes sizing material in the hopper is in 6.0～9.0 scope.
4, copy paper
Each that process layer slurry delivered to respectively on veil, core net, the spacer screen and manufactured paper with pulp, and through squeezing and preceding drying, top sizing, back drying, coating and press polish ornamenting, obtains qualified wrapping paper then.The liquid of producing among this embodiment and food wrapper each item technical indicator are following: quantitative 210g/m
2, thickness 0.240～0.285mm, moisture 5～8%, glossiness (75 °)>=35%, lactic acid edge hygroscopicity value≤0.6Kg/m
2, H
2O
2Edge suction≤1.2Kg/m
2, IGT surface strength>=1.5m/s.
1, slurrying
1. facial tissue layer: the pulpboard of facial tissue layer is pulled an oar after through the hydrabrusher size degradation, as for then directly to pull an oar from slurrying, prepares burden then, and the slurry dexter feeder of processing is manufactured paper with pulp.
2. core paper layer: the pulpboard of core paper layer is discongested after through the hydrabrusher size degradation or is pulled an oar, and as for then directly discongesting from slurrying or pulling an oar, prepares burden then, and the slurry dexter feeder of processing is manufactured paper with pulp.
3. ground paper layer: the pulpboard of ground paper layer is pulled an oar after through the hydrabrusher size degradation, as for then directly to pull an oar from slurrying, prepares burden then, and the slurry dexter feeder of processing is manufactured paper with pulp.
2, the adding of AKD
AKD solution is added in the accumulator tank of surface sizing starch with the amount of membrane pump with ton paper consumption 0.5kg over dry.
3, the adjusting of pH value
Because AKD just can obtain best sizing efficiency under the neutral and alkali condition, in the accumulator tank of top sizing with starch, with the Na of 9% concentration
2CO
3Solution is added in the accumulator tank of surface sizing starch with membrane pump with the mode of online interpolation, and the pH value that makes sizing material in the accumulator tank is in 6.0～9.0 scope.
4, copy paper
Each that process layer slurry delivered to respectively on veil, core net, the spacer screen and manufactured paper with pulp, and through squeezing and preceding drying, top sizing, back drying, coating and press polish ornamenting, obtains qualified wrapping paper then.The liquid of producing among this embodiment and food wrapper each item technical indicator are following: quantitative 230g/m
2, thickness 0.305～0.325mm, moisture 5～8%, glossiness (75 °)>=35%, lactic acid edge hygroscopicity value≤0.6Kg/m
2, H
2O
2Edge suction≤1.2Kg/m
2, IGT surface strength>=1.5m/s.
1, slurrying
1. facial tissue layer: the pulpboard of facial tissue layer is pulled an oar after through the hydrabrusher size degradation, as for then directly to pull an oar from slurrying, prepares burden then, and the slurry dexter feeder of processing is manufactured paper with pulp.
2. core paper layer: the pulpboard of core paper layer is discongested after through the hydrabrusher size degradation or is pulled an oar, and as for then directly discongesting from slurrying or pulling an oar, prepares burden then, and the slurry dexter feeder of processing is manufactured paper with pulp.
3. ground paper layer: the pulpboard of ground paper layer is pulled an oar after through the hydrabrusher size degradation, as for then directly to pull an oar from slurrying, prepares burden then, and the slurry dexter feeder of processing is manufactured paper with pulp.
2, the adding of AKD
The mode that is coated with in machine at paper machine dispense tip is coated on the raw material that is added with AKD on the page.The amount of AKD ton paper consumption 0.1～2.0kg over dry all can guarantee lactic acid edge hygroscopicity value≤0.6Kg/m
2, H
2O
2Edge suction≤1.2Kg/m
2Too much use AKD can increase cost undoubtedly.
3, the adjusting of pH value
Because AKD just can obtain best sizing efficiency under the neutral and alkali condition, in the accumulator tank of top sizing with starch, with the Na of 9% concentration
2CO
3Solution is added in the accumulator tank of surface sizing starch with membrane pump with the mode of online interpolation, and the pH value that makes sizing material in the accumulator tank is in 6.0～9.0 scope.
4, copy paper
Each that process layer slurry delivered to respectively on veil, core net, the spacer screen and manufactured paper with pulp, and through squeezing and preceding drying, top sizing, back drying, coating and press polish ornamenting, obtains qualified wrapping paper then.The liquid of producing among this embodiment and food wrapper each item technical indicator are following: quantitative 300g/m
2, thickness 0.400～0.440mm, moisture 5～8%, glossiness (75 °)>=35%, lactic acid edge hygroscopicity value≤0.6Kg/m
2, H
2O
2Edge suction≤1.2Kg/m
2, IGT surface strength>=1.5m/s.
1, slurrying
1. facial tissue layer: the pulpboard of facial tissue layer is pulled an oar after through the hydrabrusher size degradation, as for then directly to pull an oar from slurrying, prepares burden then, and the slurry dexter feeder of processing is manufactured paper with pulp.
2. core paper layer: the pulpboard of core paper layer is discongested after through the hydrabrusher size degradation or is pulled an oar, and as for then directly discongesting from slurrying or pulling an oar, prepares burden then, and the slurry dexter feeder of processing is manufactured paper with pulp.
3. ground paper layer: the pulpboard of ground paper layer is pulled an oar after through the hydrabrusher size degradation, as for then directly to pull an oar from slurrying, prepares burden then, and the slurry dexter feeder of processing is manufactured paper with pulp.
2, copy paper
Each that process layer slurry delivered to respectively on veil, core net, the spacer screen and manufactured paper with pulp, and through squeezing and preceding drying, top sizing, back drying, coating and press polish ornamenting, obtains qualified packing body paper then.
3, the adding of AKD
The mode of the outer coating of employing machine is coated in the surface of packing body paper to the raw material that contains AKD, and the amount of ton paper consumption 0.1～2.0kg over dry all can guarantee lactic acid edge hygroscopicity value≤0.6Kg/m
2, H
2O
2Edge suction≤1.2Kg/m
2
4, the adjusting of pH value
Because AKD just can obtain best sizing efficiency under the neutral and alkali condition, when preparing to contain the coating raw material of AKD, with the Na of 9% concentration
2CO
3Solution is added in the coating raw material with membrane pump with the mode of online interpolation, makes the pH value that contains AKD coating raw material in 6.0～9.0 scope.
Claims (9)
1. liquid and food wrapper; It is characterized in that: the stratum granulosum that is added with neutral sizing agent AKD is covered in the top sizing place of flexible package punch paper; The resin added of neutral sizing agent AKD is 0.1～2.0kg/ ton paper consumption, and the resin added of neutral sizing agent AKD is in over dry, and the adding of AKD point is selected in the accumulator tank of surface sizing starch or goes up hopper or preparation vessel; When using neutral sizing agent AKD, with NaOH or Na
2CO
3Or NaHCO
3Regulate pH value to 6-9, so that the lactic acid edge hygroscopicity value≤0.6kg/m of page
2, H
2O
2Edge hygroscopicity value≤1.2kg/m
2
2. liquid according to claim 1 and food wrapper is characterized in that: be coated with coating or said stratum granulosum at recto, the back side is coated with the said stratum granulosum that the lower starch solution of concentration forms.
3. liquid according to claim 1 and 2 and food wrapper is characterized in that: said wrapping paper is packing body paper or multi-ply paper or cardboard or single-part stationery or cardboard.
4. liquid according to claim 3 and food wrapper is characterized in that: described liquid and food wrapper comprise facial tissue layer, ground paper layer and the core paper layer between facial tissue layer and ground paper layer.
5. liquid according to claim 4 and food wrapper is characterized in that: described core paper layer is two layers, three layers or multilayer.
6. the production method of liquid and food wrapper is characterized in that: 1. slurrying; 2. deliver to the paper machine and manufacture paper with pulp with ground paper layer with facial tissue layer, core paper layer, the core paper layer is at least one deck; 3. add AKD solution at paper machine top sizing place, the adding point of AKD is selected in the accumulator tank of surface sizing starch or goes up hopper or and preparation vessel.
7. the production method of liquid and food wrapper is characterized in that: the mode of coating in the employing machine that brings Selection In of AKD, contain the raw material of AKD in the dispense tip coating of paper machine, and comprising: 1. slurrying; 2. deliver to the paper machine and manufacture paper with pulp with ground paper layer with facial tissue layer, core paper layer, the core paper layer is at least one deck; 3. be added with the raw material of AKD in the coating of paper machine dispense tip.
8. the production method of liquid according to claim 6 and food wrapper is characterized in that: when using neutral sizing agent AKD, with NaOH or Na
2CO
3, or NaHCO
3Regulate pH value to 6-9.
9. the production method of liquid according to claim 7 and food wrapper is characterized in that: when using neutral sizing agent AKD, with NaOH or Na
2CO
3Or NaHCO
3Regulate pH value to 6-9.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610122289XA CN101148847B (en) | 2006-09-19 | 2006-09-19 | Liquid and food packing paper and method for producing the same |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN200610122289XA CN101148847B (en) | 2006-09-19 | 2006-09-19 | Liquid and food packing paper and method for producing the same |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101148847A CN101148847A (en) | 2008-03-26 |
| CN101148847B true CN101148847B (en) | 2012-06-27 |
Family
ID=39249537
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN200610122289XA Active CN101148847B (en) | 2006-09-19 | 2006-09-19 | Liquid and food packing paper and method for producing the same |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101148847B (en) |
Families Citing this family (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101555672B (en) * | 2009-05-18 | 2010-11-03 | 永州湘江纸业有限责任公司 | Food wrapper and manufacturing method thereof |
| CN102154904B (en) * | 2011-02-21 | 2012-10-24 | 万国纸业太阳白卡纸有限公司 | Bovine base solution packaging raw paper |
| CN102505569A (en) * | 2011-12-07 | 2012-06-20 | 山东华泰纸业股份有限公司 | Process for applying neutral sizing agent to surface coating |
| CN103806326A (en) * | 2014-02-12 | 2014-05-21 | 亚太森博（山东）浆纸有限公司 | Liquid packaging body paper board and preparation method thereof |
| CN105113333A (en) * | 2015-08-13 | 2015-12-02 | 合肥龙发包装有限公司 | Liquid packaging base paper with high combination degree |
| CN107268325A (en) * | 2016-04-08 | 2017-10-20 | 亚太森博（山东）浆纸有限公司 | A kind of packing board and preparation method thereof |
| CN106245459A (en) * | 2016-09-05 | 2016-12-21 | 珠海红塔仁恒包装股份有限公司 | A kind of true qualities flexible package punch paper and production technology thereof |
| CN115287944B (en) * | 2022-08-22 | 2023-05-05 | 齐鲁工业大学 | Tea-flavored disposable paper cup paper and preparation method thereof |
| CN115928502B (en) * | 2022-12-28 | 2023-12-29 | 珠海红塔仁恒包装股份有限公司 | Preparation technology capable of controlling lactic acid side permeation resistance of liquid food packaging base paper |
Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87106213A (en) * | 1986-09-09 | 1988-03-23 | 纳幕尔杜邦公司 | Fill composition and the application in wood fiber paper is made thereof |
| EP0707112A1 (en) * | 1994-10-14 | 1996-04-17 | Ecc International Limited | Improving the quality of coated paper |
| CN1391625A (en) * | 1999-12-29 | 2003-01-15 | 矿业技术有限公司 | Liquid packaging paper |
| WO2005040496A1 (en) * | 2003-10-27 | 2005-05-06 | M-Real Oyj | Cardboard and a method of manufacture thereof |
| CN200961219Y (en) * | 2006-09-19 | 2007-10-17 | 珠海经济特区红塔仁恒纸业有限公司 | Wrapping paper for liquid and food |
-
2006
- 2006-09-19 CN CN200610122289XA patent/CN101148847B/en active Active
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN87106213A (en) * | 1986-09-09 | 1988-03-23 | 纳幕尔杜邦公司 | Fill composition and the application in wood fiber paper is made thereof |
| EP0707112A1 (en) * | 1994-10-14 | 1996-04-17 | Ecc International Limited | Improving the quality of coated paper |
| CN1391625A (en) * | 1999-12-29 | 2003-01-15 | 矿业技术有限公司 | Liquid packaging paper |
| WO2005040496A1 (en) * | 2003-10-27 | 2005-05-06 | M-Real Oyj | Cardboard and a method of manufacture thereof |
| CN200961219Y (en) * | 2006-09-19 | 2007-10-17 | 珠海经济特区红塔仁恒纸业有限公司 | Wrapping paper for liquid and food |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101148847A (en) | 2008-03-26 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101148847B (en) | Liquid and food packing paper and method for producing the same | |
| JP4694691B2 (en) | Paper or paperboard laminate and method for producing the laminate | |
| CN104641039B (en) | A kind of waterproof recycled writing paper and production method thereof | |
| CN102369324A (en) | Base paper for paper container and laminate sheet for paper container using same | |
| CN103993500B (en) | Plastic uptake Special coating white and preparation technology thereof | |
| CN102154904B (en) | Bovine base solution packaging raw paper | |
| CN109914143B (en) | Bendable straw lining paper and preparation method thereof | |
| CN104018388A (en) | Cup mat body paper and production method thereof | |
| CN104480777A (en) | Wallpaper base paper and production method thereof | |
| CN102888778A (en) | Production method of glassine body paper | |
| CN200961219Y (en) | Wrapping paper for liquid and food | |
| CN103806326A (en) | Liquid packaging body paper board and preparation method thereof | |
| CN104846684A (en) | Environment-friendly plastics-absorption double-surface coated white board paper and preparation technology thereof | |
| CN103103860B (en) | Imitated rice paper production method | |
| CN103628343B (en) | Low-basis-weight compact fine soft tissue and production method thereof | |
| CN102018321B (en) | Waste paper based compound flexible packaging material containing raw material of insole board used for shoemaking | |
| CN114790666A (en) | High-stiffness straw base paper and preparation method thereof | |
| CN109649828A (en) | A kind of manufacture craft of high-strength corrugated case | |
| CN102517999A (en) | Double-sizing preparation process for liquid packaging white cardboard | |
| CN107175846A (en) | A kind of Low-gram-weight reinforced lightweight corrugated carton production technology | |
| CN114502682A (en) | Water-based adhesive comprising a single layer of graphene oxide for manufacturing laminated cellulose board, laminated cellulose board obtained therefrom and method for producing same | |
| CN201190251Y (en) | Long-acting antibiotic white cardboard | |
| CN111118962B (en) | Liquid packaging paper for cold chain and production process thereof | |
| CN216663635U (en) | High-strength multilayer kraft box paperboard | |
| CN102733257A (en) | Production technology for coating facial tissue of boxboards |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| C56 | Change in the name or address of the patentee | ||
| CP03 | Change of name, title or address |
Address after: 519070, Qianshan Industrial Zone, Xiangzhou District, Guangdong, Zhuhai Patentee after: ZHUHAI HONGTA RENHENG PACKAGING CO.,LTD. Address before: 519000, Jinji Hill Road, No. 508, Guangdong, Zhuhai Patentee before: ZHUHAI S E Z HONGTA RENHENG PAPER Co.,Ltd. |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: Liquid and food packaging paper and its production method Effective date of registration: 20231225 Granted publication date: 20120627 Pledgee: Agricultural Bank of China Limited Zhuhai Nanwan sub branch Pledgor: ZHUHAI HONGTA RENHENG PACKAGING CO.,LTD. Registration number: Y2023980074092 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |