CN104674602A - Dyeing method for cardboard paper papermaking in surface sizing and dyeing process by paper machine - Google Patents
Dyeing method for cardboard paper papermaking in surface sizing and dyeing process by paper machine Download PDFInfo
- Publication number
- CN104674602A CN104674602A CN201510042874.8A CN201510042874A CN104674602A CN 104674602 A CN104674602 A CN 104674602A CN 201510042874 A CN201510042874 A CN 201510042874A CN 104674602 A CN104674602 A CN 104674602A
- Authority
- CN
- China
- Prior art keywords
- paper
- sizing material
- sizing
- applying glue
- pulp
- 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.)
- Granted
Links
- 238000004513 sizing Methods 0.000 title claims abstract description 55
- 238000000034 method Methods 0.000 title claims abstract description 21
- 238000004043 dyeing Methods 0.000 title claims abstract description 15
- 239000000123 paper Substances 0.000 title abstract description 88
- 230000008569 process Effects 0.000 title abstract description 6
- 239000000463 material Substances 0.000 claims abstract description 47
- 239000000203 mixture Substances 0.000 claims abstract description 19
- 238000004040 coloring Methods 0.000 claims abstract description 15
- 239000000975 dye Substances 0.000 claims abstract description 13
- 239000007787 solid Substances 0.000 claims abstract description 7
- 239000003292 glue Substances 0.000 claims description 27
- 239000000126 substance Substances 0.000 claims description 8
- 239000002002 slurry Substances 0.000 claims description 7
- 229920002261 Corn starch Polymers 0.000 claims description 5
- 235000016735 Manihot esculenta subsp esculenta Nutrition 0.000 claims description 5
- 239000004218 Orcein Substances 0.000 claims description 5
- 230000009471 action Effects 0.000 claims description 5
- 239000003054 catalyst Substances 0.000 claims description 5
- 238000010411 cooking Methods 0.000 claims description 5
- 239000008120 corn starch Substances 0.000 claims description 5
- 229940099112 cornstarch Drugs 0.000 claims description 5
- 238000010790 dilution Methods 0.000 claims description 5
- 239000012895 dilution Substances 0.000 claims description 5
- 230000000694 effects Effects 0.000 claims description 5
- 235000019248 orcein Nutrition 0.000 claims description 5
- 241000658379 Manihot esculenta subsp. esculenta Species 0.000 claims 1
- 239000002356 single layer Substances 0.000 abstract description 4
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract description 3
- AJDUTMFFZHIJEM-UHFFFAOYSA-N n-(9,10-dioxoanthracen-1-yl)-4-[4-[[4-[4-[(9,10-dioxoanthracen-1-yl)carbamoyl]phenyl]phenyl]diazenyl]phenyl]benzamide Chemical compound O=C1C2=CC=CC=C2C(=O)C2=C1C=CC=C2NC(=O)C(C=C1)=CC=C1C(C=C1)=CC=C1N=NC(C=C1)=CC=C1C(C=C1)=CC=C1C(=O)NC1=CC=CC2=C1C(=O)C1=CC=CC=C1C2=O AJDUTMFFZHIJEM-UHFFFAOYSA-N 0.000 abstract 1
- 239000001044 red dye Substances 0.000 abstract 1
- 239000001043 yellow dye Substances 0.000 abstract 1
- 238000001035 drying Methods 0.000 description 12
- 238000004519 manufacturing process Methods 0.000 description 11
- 241000274582 Pycnanthus angolensis Species 0.000 description 7
- 239000011087 paperboard Substances 0.000 description 7
- 240000003183 Manihot esculenta Species 0.000 description 4
- 241000209094 Oryza Species 0.000 description 3
- 235000007164 Oryza sativa Nutrition 0.000 description 3
- 230000008901 benefit Effects 0.000 description 3
- 235000009566 rice Nutrition 0.000 description 3
- 239000010410 layer Substances 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 230000005611 electricity Effects 0.000 description 1
- 238000005265 energy consumption Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 238000003912 environmental pollution Methods 0.000 description 1
- 229910052736 halogen Inorganic materials 0.000 description 1
- 150000002367 halogens Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000000243 solution Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
- 239000002351 wastewater Substances 0.000 description 1
Landscapes
- Paper (AREA)
Abstract
The invention relates to a dyeing method for cardboard paper papermaking in a surface sizing and dyeing process by a paper machine. The method comprises the following steps: (1) prefabricating body paper and a sizing material, wherein the content of solid of the sizing material is 3 to 10 percent, and the viscosity of the sizing material at 70 DEG C is controlled to 5 to 20Pa.s; (2) selecting a model number of a scraper rod, putting the sizing material into a sizing operating trough of the paper machine, wherein the addition amount of the sizing material is 650 to 850L/h, the pressure between the scraper rod and a sizing roller is 50 to 150kpa, and forming a uniform sizing film on a bottom sizing roller; (3) simultaneously adding black dye, red dye and yellow dye into the sizing operating trough, mixing with the sizing material to form a sizing material mixture on the premise of step 2, and laying the surface of the body paper with the sizing material mixture; (4) carrying out the temperature control according to the content of water of a paper web so as to be heated and dried gradually, wherein the surface temperature of the paper is gradually increased from 60 to 100 DEG C until the paper is dried, and the content of the water of the paper web can be within 6 to 10 percent; and (5) coiling finished paper. The method is simple, the single-layer coloring of the paper web is facilitated, and the cupboard paper meeting the requirement can be produced by the single-layer mesh paper machine.
Description
Technical field
The present invention relates to a kind of papermachine surfaces applying glue to dye the colouring method of manufacturing paper with pulp for liner board.
Background technology
Liner board, also known as brown paper, craft paper, is one of main paper kind of carton paper using; Existing liner board adopts Multilayer Network paper machine to produce usually, because liner board need be painted to it according to user's request, and this kind of coloring process is generally directly in process of production be added in the slurry of body paper by dyestuff, directly make through net paper machine, the waste water produced in this production process, waste residue etc. are owing to causing the disposal cost in later stage high containing dyestuff, the consumptive material rate of this kind of mode of production slurry and dyestuff is high simultaneously, the production cost of the enterprise added.
Summary of the invention
A kind of papermachine surfaces applying glue is the object of the present invention is to provide to dye the colouring method of manufacturing paper with pulp for liner board, this simple process, convenient solution paper web individual layer in paper machine is painted, thus makes monolayer net paper machine produce satisfactory liner board, reduces production cost.
Technical program of the present invention lies in: a kind of papermachine surfaces applying glue dyeing is used for the colouring method that boxboard is manufactured paper with pulp, and comprises the following steps:
1) prefabricated body paper and sizing material, the solids content of described sizing material is 3% ~ 10%, and control sizing material is 5 ~ 20Pas the viscosity of 70 DEG C;
2) select scraper model, and add sizing material in the applying glue work nest of paper machine, the interpolation doses of described sizing material is 650 ~ 850L/h, between scraper and application roll pressure be 50 ~ 150kpa, guarantee that bottom application roll forms uniform applying glue film;
3) under the prerequisite of step 2, in applying glue work nest, add black, redness and weld simultaneously make it mix to form size mixture with sizing material, size mixture is executed through scraper and is distributed in body paper surface;
4) carry out temperature according to paper web moisture to control with the oven dry that progressively heats up, the surface temperature of paper, by 60 DEG C ~ 100 DEG C oven dry that progressively heat up, guarantees that the moisture of paper web is 6 ~ 10%;
5) finished paper is batched.
Further, when preparing body paper, in the slurry of body paper, add orchil, its doses is 10 ~ 30L/h; Described sizing material, and by vapour cooking under catalyst action, to be made up after dilution through dissolving of cornstarch or cassava.
Further, the doses of sizing material is 790L/H in step 2, and the pressure between scraper and application roll is 100Kpa.
Further, in step 3, the addition of dyestuff is respectively black 10 ~ 30L/h, yellow 40 ~ 65L/h, red 8 ~ 10L/h.
Further, in step 4, bake out temperature progressively to be heated up oven dry by the heat trnasfer of steam, simultaneously on-line checkingi paper color and adjust chromatic effect and control Substance.
Compared with prior art, the present invention has the following advantages: the papermaking combination utilizing Absorbable organic halogens to control, liquid dyes metering is added in the sizing material of modified surface and forms size mixture, thus size mixture uniform application paper surface completes dyeing, solve paper web individual layer in paper machine painted, and then use monolayer net paper machine to produce the situation of liner board; Save boxboard apparatus for production line, flow process investment cost and production run, maintenance cost; Save water, electricity and gas energy consumption, save dyestuff, reduce production cost, improve economic benefit, reduce environmental pollution.
Detailed description of the invention
For above-mentioned feature and advantage of the present invention can be become apparent, special embodiment below, is described in detail below, but the present invention is not limited to this.
Embodiment one
Papermachine surfaces applying glue dyeing is used for the colouring method that boxboard is manufactured paper with pulp, and comprises the following steps:
1) prefabricated body paper and sizing material, the solids content of described sizing material is 6%, and control sizing material is 15Pas the viscosity of 70 DEG C;
2) select scraper model, and add sizing material in the applying glue work nest of paper machine, the interpolation doses of described sizing material is 790L/h, between scraper and application roll pressure be 100kpa, guarantee that bottom application roll forms uniform applying glue film;
3) under the prerequisite of step 2, in applying glue work nest, add black, redness and weld simultaneously make it mix to form size mixture with sizing material, size mixture is executed through scraper and is distributed in body paper surface;
4) carry out temperature according to paper web moisture to control with the oven dry that progressively heats up, the surface temperature of paper, by 60 DEG C ~ 100 DEG C oven dry that progressively heat up, guarantees that the moisture of paper web is 8%;
5) finished paper is batched.
When preparing body paper, in the slurry of body paper, add orchil, its doses is 20L/h; Described sizing material through dissolving, and forms virgin rubber by vapour cooking by cornstarch or cassava under catalyst action, and the virgin rubber temperature of formation is 115 DEG C, then forms sizing material after dilution, and temperature is at 70 DEG C; Solid content and the viscosity of sizing material can be adjusted according to Production requirement simultaneously.
In step 3, the addition of dyestuff is respectively black 20L/h, yellow 52.5L/h, red 9L/h.
In step 4, oven dry passes in the drying cylinder of paper machine by steam, dried by the heat trnasfer of drying cylinder, steam progressively heats up and controls steam pressure in drying course, simultaneously on-line checkingi paper color and adjust chromatic effect and control Substance, described Substance is the grammes per square metre of one square of rice paper.Such as produce the paper of 80 grammes per square metres, the steam pressure passed in drying cylinder is 80Kpa; 150 grammes per square metre paper, steam pressure 120Kpa.
Embodiment two
Papermachine surfaces applying glue dyeing is used for the colouring method that boxboard is manufactured paper with pulp, and comprises the following steps:
1) prefabricated body paper and sizing material, the solids content of described sizing material is 3%, and control sizing material is 5Pas the viscosity of 70 DEG C;
2) select scraper model, and add sizing material in the applying glue work nest of paper machine, the interpolation doses of described sizing material is 650L/h, between scraper and application roll pressure be 50kpa, guarantee that bottom application roll forms uniform applying glue film;
3) under the prerequisite of step 2, in applying glue work nest, add black, redness and weld simultaneously make it mix to form size mixture with sizing material, size mixture is executed through scraper and is distributed in body paper surface;
4) carry out temperature according to paper web moisture to control with the oven dry that progressively heats up, the surface temperature of paper, by 60 DEG C ~ 100 DEG C oven dry that progressively heat up, guarantees that the moisture of paper web is 6%;
5) finished paper is batched.
When preparing body paper, in the slurry of body paper, add orchil, its doses is 10L/h; Described sizing material, and by vapour cooking under catalyst action, to be made up after dilution through dissolving of cornstarch or cassava.
In step 3, the addition of dyestuff is respectively black 10L/h, yellow 40L/h, red 8L/h.
In step 4, oven dry passes in the drying cylinder of paper machine by steam, dried by the heat trnasfer of drying cylinder, steam progressively heats up and controls steam pressure in drying course, simultaneously on-line checkingi paper color and adjust chromatic effect and control Substance, described Substance is the grammes per square metre of one square of rice paper.Such as produce the paper of 80 grammes per square metres, the steam pressure passed in drying cylinder is 80Kpa; 150 grammes per square metre paper, steam pressure 120Kpa.
Embodiment three
Papermachine surfaces applying glue dyeing is used for the colouring method that boxboard is manufactured paper with pulp, and comprises the following steps:
1) prefabricated body paper and sizing material, the solids content of described sizing material is 10%, and control sizing material is 20Pas the viscosity of 70 DEG C;
2) select scraper model, and add sizing material in the applying glue work nest of paper machine, the interpolation doses of described sizing material is 850L/h, between scraper and application roll pressure be 150kpa, guarantee that bottom application roll forms uniform applying glue film;
3) under the prerequisite of step 2, in applying glue work nest, add black, redness and weld simultaneously make it mix to form size mixture with sizing material, size mixture is executed through scraper and is distributed in body paper surface;
4) carry out temperature according to paper web moisture to control with the oven dry that progressively heats up, the surface temperature of paper, by 60 DEG C ~ 100 DEG C oven dry that progressively heat up, guarantees that the moisture of paper web is 10%;
5) finished paper is batched.
When preparing body paper, in the slurry of body paper, add orchil, its doses is 30L/h; Described sizing material, and by vapour cooking under catalyst action, to be made up after dilution through dissolving of cornstarch or cassava.
In step 3, the addition of dyestuff is respectively black 30L/h, yellow 65L/h, red 10L/h.
In step 4, oven dry passes in the drying cylinder of paper machine by steam, dried by the heat trnasfer of drying cylinder, steam progressively heats up and controls steam pressure in drying course, simultaneously on-line checkingi paper color and adjust chromatic effect and control Substance, described Substance is the grammes per square metre of one square of rice paper.Such as produce the paper of 80 grammes per square metres, the steam pressure passed in drying cylinder is 80Kpa; 150 grammes per square metre paper, steam pressure 120Kpa.
The foregoing is only preferred embodiment of the present invention, for the ordinary skill in the art, according to instruction of the present invention, design the colouring method that multi-form boxboard manufactures paper with pulp and do not need performing creative labour, all equalizations made according to the present patent application the scope of the claims change, revise, replace and modification without departing from the principles and spirit of the present invention, all should belong to covering scope of the present invention.
Claims (5)
1. papermachine surfaces applying glue dyeing is used for the colouring method that liner board is manufactured paper with pulp, and it is characterized in that, comprises the following steps:
1) prefabricated body paper and sizing material, the solids content of described sizing material is 3% ~ 10%, and control sizing material is 5 ~ 20Pas the viscosity of 70 DEG C;
2) select scraper model, and add sizing material in the applying glue work nest of paper machine, the interpolation doses of described sizing material is 650 ~ 850L/h, between scraper and application roll pressure be 50 ~ 150kpa, guarantee that bottom application roll forms uniform applying glue film;
3) under the prerequisite of step 2, in applying glue work nest, add black, redness and weld simultaneously make it mix to form size mixture with sizing material, size mixture is executed through scraper and is distributed in body paper surface;
4) carry out temperature according to paper web moisture to control with the oven dry that progressively heats up, the surface temperature of paper, by 60 DEG C ~ 100 DEG C oven dry that progressively heat up, guarantees that the moisture of paper web is 6 ~ 10%;
5) finished paper is batched.
2. a kind of papermachine surfaces applying glue dyeing according to claim 1 is used for the colouring method that liner board is manufactured paper with pulp, and it is characterized in that, when preparing body paper, in the slurry of body paper, add orchil, its doses is 10 ~ 30L/h; Described sizing material, and by vapour cooking under catalyst action, to be made up after dilution through dissolving of cornstarch or cassava.
3. a kind of papermachine surfaces applying glue dyeing according to claim 1 is used for the colouring method that liner board is manufactured paper with pulp, and it is characterized in that, the doses of sizing material is 790L/H in step 2, and the pressure between scraper and application roll is 100Kpa.
4. a kind of papermachine surfaces applying glue dyeing according to claim 1 is used for the colouring method that liner board is manufactured paper with pulp, and it is characterized in that, in step 3, the addition of dyestuff is respectively black 10 ~ 30L/h, yellow 40 ~ 65L/h, red 8 ~ 10L/h.
5. a kind of papermachine surfaces applying glue dyeing according to claim 1 is used for the colouring method that liner board is manufactured paper with pulp, it is characterized in that, in step 4, bake out temperature progressively to be heated up oven dry by the heat trnasfer of steam, simultaneously on-line checkingi paper color and adjust chromatic effect and control Substance.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042874.8A CN104674602B (en) | 2015-01-28 | 2015-01-28 | The colouring method that manufactures paper with pulp for boxboard is dyeed in a kind of papermachine surfaces applying glue |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201510042874.8A CN104674602B (en) | 2015-01-28 | 2015-01-28 | The colouring method that manufactures paper with pulp for boxboard is dyeed in a kind of papermachine surfaces applying glue |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104674602A true CN104674602A (en) | 2015-06-03 |
| CN104674602B CN104674602B (en) | 2017-03-15 |
Family
ID=53310149
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201510042874.8A Active CN104674602B (en) | 2015-01-28 | 2015-01-28 | The colouring method that manufactures paper with pulp for boxboard is dyeed in a kind of papermachine surfaces applying glue |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104674602B (en) |
Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106676966A (en) * | 2016-07-26 | 2017-05-17 | 联盛纸业（龙海）有限公司 | Sizing and dyeing production method and apparatus thereof of paper |
| CN107268334A (en) * | 2017-05-08 | 2017-10-20 | 玖龙纸业（泉州）有限公司 | A kind of environment-friendly type paper dyeing method |
| CN109577076A (en) * | 2018-12-26 | 2019-04-05 | 江苏理文造纸有限公司 | A kind of filler and preparation method thereof for liner board |
| CN109629337A (en) * | 2018-12-26 | 2019-04-16 | 江苏理文造纸有限公司 | A kind of colouring method of environmental protection liner board |
Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0454643A1 (en) * | 1990-04-19 | 1991-10-30 | Valmet Paper Machinery Inc. | Coating device for coating of a size-press roll, paper or board |
| US6004623A (en) * | 1991-09-16 | 1999-12-21 | Rantanen; Rauno | Method and device for coating a size-press roll or paper or board web |
| CN101914875A (en) * | 2010-07-22 | 2010-12-15 | 东莞地龙纸业有限公司 | Method for adding surface glue dye |
| CN102174776A (en) * | 2011-03-02 | 2011-09-07 | 江苏理文造纸有限公司 | Surface sizing and dyeing method of environmentally-friendly craft paper |
| CN102251435A (en) * | 2011-07-28 | 2011-11-23 | 广东理文造纸有限公司 | Packing paper dyed at surface sized position and dyeing method |
| CN103526637A (en) * | 2013-10-31 | 2014-01-22 | 东莞理文造纸厂有限公司 | Surface sizing and dyeing method of environment-friendly box paperboard with high water-resisting property |
-
2015
- 2015-01-28 CN CN201510042874.8A patent/CN104674602B/en active Active
Patent Citations (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP0454643A1 (en) * | 1990-04-19 | 1991-10-30 | Valmet Paper Machinery Inc. | Coating device for coating of a size-press roll, paper or board |
| US6004623A (en) * | 1991-09-16 | 1999-12-21 | Rantanen; Rauno | Method and device for coating a size-press roll or paper or board web |
| CN101914875A (en) * | 2010-07-22 | 2010-12-15 | 东莞地龙纸业有限公司 | Method for adding surface glue dye |
| CN102174776A (en) * | 2011-03-02 | 2011-09-07 | 江苏理文造纸有限公司 | Surface sizing and dyeing method of environmentally-friendly craft paper |
| CN102251435A (en) * | 2011-07-28 | 2011-11-23 | 广东理文造纸有限公司 | Packing paper dyed at surface sized position and dyeing method |
| CN103526637A (en) * | 2013-10-31 | 2014-01-22 | 东莞理文造纸厂有限公司 | Surface sizing and dyeing method of environment-friendly box paperboard with high water-resisting property |
Non-Patent Citations (1)
| Title |
|---|
| 张美云: "《造纸技术》", 31 January 2014, article "施胶压榨设计的改进" * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106676966A (en) * | 2016-07-26 | 2017-05-17 | 联盛纸业（龙海）有限公司 | Sizing and dyeing production method and apparatus thereof of paper |
| CN106676966B (en) * | 2016-07-26 | 2017-10-31 | 联盛纸业（龙海）有限公司 | A kind of paper sizing dyeing production and device |
| CN107268334A (en) * | 2017-05-08 | 2017-10-20 | 玖龙纸业（泉州）有限公司 | A kind of environment-friendly type paper dyeing method |
| CN109577076A (en) * | 2018-12-26 | 2019-04-05 | 江苏理文造纸有限公司 | A kind of filler and preparation method thereof for liner board |
| CN109629337A (en) * | 2018-12-26 | 2019-04-16 | 江苏理文造纸有限公司 | A kind of colouring method of environmental protection liner board |
Also Published As
| Publication number | Publication date |
|---|---|
| CN104674602B (en) | 2017-03-15 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104674602A (en) | Dyeing method for cardboard paper papermaking in surface sizing and dyeing process by paper machine | |
| CN102199898B (en) | Coated natural kraft and manufacturing method thereof | |
| CN101255662B (en) | Method for producing metallic high temperature transfer base paper | |
| CN102226322B (en) | Preparation method of corrugated paper | |
| CN105926308A (en) | Formula and technology for producing synthetic leather from graphene modified waterborne polyurethane | |
| CN105316977A (en) | A manufacturing process method for cardboard paper with a printing surface layer | |
| CN107160852A (en) | The two-sided overlay film system of multi-purpose formula | |
| CN107366176A (en) | A kind of high efficiente callback sizing process of high-grade kraft liner cardboard paper | |
| CN102877363B (en) | Dip dyeing type paper dyeing method | |
| CN105484073B (en) | A kind of colored knitted jean coating dyeing technique | |
| CN101994276A (en) | Method for preparing higher-quality paper from waste compound paper source recycled paper pulp | |
| CN106245412A (en) | A kind of manufacture method of multilayer handsheet | |
| CN104499355A (en) | Textured base paper dipping production technology | |
| CN202509328U (en) | Efficient internally arranged airblade coating paper machine | |
| CN212052116U (en) | Integrated glue applying mechanism in papermaking process | |
| CN104674596A (en) | Preparation method of touch paper | |
| CN101967777B (en) | Counterfeiting ivory board and manufacturing method thereof | |
| CN102599634B (en) | Method for producing papermaking process reconstituted tobacco leaves by dynamic sheet making in laboratory | |
| CN205329348U (en) | Textile processing equipment | |
| CN107630380B (en) | The method for recycling paper mill sludge production high-strength cow paper | |
| CN102965973A (en) | Dope color paste pad dyeing technology for setting machine | |
| CN103978760A (en) | Preparation technology of hybrid fiber paper multifilament | |
| CN106245409A (en) | A kind of method for manufacturing of environmental protection kraft liner cardboard paper | |
| CN202072979U (en) | Natural color coating kraft paper | |
| CN103991300A (en) | Laser-engraving transfer printing technology |
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 | ||
| PE01 | Entry into force of the registration of the contract for pledge of patent right |
Denomination of invention: A Dyeing Method for Surface Gluing and Dyeing of Paper Machine for Box Board Paper Making Effective date of registration: 20231222 Granted publication date: 20170315 Pledgee: Bank of Communications Ltd. Zhangzhou branch Pledgor: LIANSHENG PAPER INDUSTRY (LONGHAI) Co.,Ltd. Registration number: Y2023350000261 |
|
| PE01 | Entry into force of the registration of the contract for pledge of patent right |