CN103603232A - Glass backing paper production process - Google Patents
Glass backing paper production process Download PDFInfo
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- CN103603232A CN103603232A CN201310577878.7A CN201310577878A CN103603232A CN 103603232 A CN103603232 A CN 103603232A CN 201310577878 A CN201310577878 A CN 201310577878A CN 103603232 A CN103603232 A CN 103603232A
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Abstract
The invention relates to a glass backing paper production process. The papermaking speed is 250m/min to 350m/min, the production efficiency is high, an air-cushion pulp box and a ceramic dehydrating chopping board are adopted in a papermaking forming area, pulp is uniform to distribute, and the quality is stable; a primary vacuum pre-pressing, four-roller three-pressure-interval composite pressing, vacuum adsorption and moving and glazing pressing are adopted in a pressing and dehydrating area, the dryness of paper entering a drying cylinder is increased, and the loose thickness of the paper is not damaged; a drying part adopts five groups of drying cylinders, namely totally 36 drying cylinders with the diameter of 1500mm, a closing gearbox, a closed steam cover, a paper guiding rope, a surface glue application machine, a glaze pressing machine, a paper coiling machine, a re-coiling machine, a super glazing pressing machine and the like, so that the smoothness of a product is improved, picking and powder can be prevented from dropping, and the high stiffness requirement can be met.
Description
Technical field
The present invention relates to the supporting field of flat-panel display device, specifically a kind of glass interval paper production technology.
Background technology
Along with FPD (all kinds of liquid crystal display) is manufactured and relevant electric equipment products migration China, market competition is growing more intense.The Central China that is positioned at present innerland, China's Mainland has become the important accumulation regions of domestic FPD industry, also becomes important production base and the supporting industry cluster district of global liquid crystal postorder module.Being accompanied by progressively implement going into operation of Zhengzhou factory of Foxconn and Samsung Xi'an project, is also gradual perfection of the in large scale and relatively complete FPD industrial chain that becomes of dominant shape mainly with world-class Japan and Korea S. ,Tai joint venture.Meanwhile, the policy of a series of support FPD industry developments that country puts into effect, particularly emphasis are supported the industrialization of the crucial supplementary material of flat-panel display device and production equipment, to improve domestic adaptive capacity for imported equipment, form China's FPD industry sustainable development.
FPD feeding spaced papers (a kind of glass interval paper) is as the separating tissue between all kinds of liquid crystal displays; there is high-stiffness and mechanical strength; can meet the requirement of contemporary optics electronic glass; good, the level and smooth exquisiteness of surface strength of paper, dustless free from admixture, hair and powder dropping not; do not abrade FPD screen surfaces; in FPD transportation, playing protection and buffer action, have protection against the tide, mildew-resistant, antistatic function simultaneously, is the specialized package paper using of FPD.But at present the FPD feeding spaced papers of China relies on import mostly, also there is no that a kind of cost is moderate, production efficiency is high, the glass interval paper production technology of the special replace imported feeding spaced papers of excellent product quality at present.
Summary of the invention
The present invention is just for above technical problem, provides that a kind of cost is moderate, production efficiency is high, the glass interval paper production technology of the special replace imported liquid crystal display feeding spaced papers of excellent product quality.
The present invention is achieved through the following technical solutions:
A kind of glass interval paper production technology, comprise the following steps: slurrying before copy paper, stream send, press dewatering, dry, before it is characterized in that copy paper, slurrying step comprises carrier bar conveying, pulping, high dense slagging-off, defibrination, store, add and fill out, stream send step to comprise low dense slagging-off, screening before net, stream send, forming table moulding, suction couch roll dehydration, press dewatering step comprises vacuum preloading one, four roller three nip unipress, vacuum is inhaled and is moved, glazing press, drying steps comprises front cylinder dried, top sizing, rear cylinder dried, batch, press polish, before copy paper, the pulping of slurrying step adopts softening clear water pulping, before copy paper, in the storage process of slurrying step, add mould inhibitor, reinforcing agent, stream adds polyacrylamide while sending before the net of step screening.Process of Applying Glue preferentially adopts interpolation gum rosin to carry out top sizing.Slurrying preferentially adopts hydrabrusher.Defibrination preferentially adopts double disc refiner.The copy paper speed of a motor vehicle is at 250～350m/min.The preferential air-cushioned head box that adopts of stream slurry.Predrainage preferentially adopts ceramic drainage foil.One vacuum preloading of the preferential employing of squeezing, four roller three nip unipress, vacuum suction move, glazing press.Front cylinder dried, rear cylinder dried adopt the drying cylinder of 5 groups of 36 Φ 1500mm altogether, and preferential sealing tooth case, enclosed vapour cover, the carrier rope paper injection of adopting.Rear process comprises but calender, reel machine, rewinding machine, supercalender.Slurry is selected bleaching needle-point leaf pulp and bleached hardwood pulp, and its proportioning is 7: 3.
The paper machine speed of a motor vehicle of the present invention is at 250-350m/min, and production efficiency is high, and papermaking shaping area adopts air-cushioned head box, ceramic drainage foil, and cloth slurry is even, stay in grade; Press-area adopts one vacuum preloading, four roller three nip unipress, vacuum to inhale and moves, glazing press, has improved the mass dryness fraction that cardboard enters drying cylinder; Dry section adopts 5 groups of drying cylinder, sealing tooth case, enclosed vapour cover, carrier rope paper injections of totally 36 Φ 1500mm, surface size press, calender, reel machine, rewinding machine and supercalender etc., improve product smoothness, reached losing fibre preventing dry linting and higher stiffness requirement simultaneously.
The glass interval paper cost of producing by production technology of the present invention is moderate, best in quality, and each physicochemical property all reaches import feeding spaced papers standard.
Accompanying drawing explanation
In accompanying drawing, Fig. 1 is technological process of production sketch of the present invention
The specific embodiment
Below in conjunction with specific embodiment, the invention will be further described.
With low dirt count and low-ash bleaching needle-point leaf pulp and bleached hardwood pulp, by the proportioning of 7: 3, carry out carrier bar conveying and use softening clear water pulping, after HC Cleaner slagging-off, double disc refiner making beating, slurry is stored in to machine chest, and adds wherein and fill out mould inhibitor, reinforcing agent; Slurry is pressurized screen through header box, low dense scummer (slagging-off), interpolation polyacrylamide and before passing through net, then through air-cushioned head box, carry out the online of cloth slurry, adopt ceramic drainage foil, suction couch roll to carry out predrainage, and through one vacuum preloading roller, four roller three nip unipress rollers, vacuum, inhale move roller, gloss pressure roll further dewaters; It is front dry and rear dry that paper dry section is used the drying cylinder of 5 groups of 36 Φ 1500mm to carry out, top sizing, and then after calender, reel machine, rewinding machine, supercalender etc. carry out, processing can obtain glass partition paper product.The copy paper speed of a motor vehicle is controlled at 250～350m/min.
Each index of glass interval paper that the present invention produces is as following table:
Table 1 glass interval paper physical and chemical index
| Detect index | Unit | Foreign paper | Testing standard method | Remarks |
| Quantitatively | g/m 2 | 60 | GB/T451.2 | / |
| Thickness | um | 0.050 | GB/T451.3 | / |
| Tensile strength is longitudinal | kN/m | 6.34 | GB/T453 | ? |
| Tensile strength is horizontal | kN/m | 3.20 | GB/T453 | / |
| Longitudinal tensile strain rate | ％ | 2.65 | GB/T453 | / |
| Cross direction elongation | ％ | 10.65 | GB/T453 | / |
| Wet tensile (strength) is longitudinal | kN/m | 1.17 | GB/T453 | / |
| Wet tensile (strength) is horizontal | kN/m | 0.87 | GB/T453 | / |
| Tear index is longitudinal | mN.m 2/g | 5.10 | GB/T455.1 | / |
| Tear index is horizontal | mN.m 2/g | 5.90 | GB/T455.1 | / |
| Whiteness | ％ | 80.43 | GB/T7974 | / |
| Opacity | ％ | 54.48 | GB/T1543 | / |
| Smoothness | S | 361 | GB/T456 | / |
| Air permeability | um/Pa·s | 0 | GB5402 | / |
| Burst index | kPa.m 2/g | 5.56 | GB/T454 | / |
| Moisture | ％ | 6.29 | GB/T462 | / |
| Water extract pH | / | 6.1 | GB/T1545.2 | / |
| Dirt count sum | Individual/m 2 | 25 | ? | ? |
Processing parameter of the present invention is as following table:
Table 2 slurrying and glue-applying technique parameter list
| Sequence number | Index name | Unit | By norm | Remarks |
| 1 | 1# chain scraper conveyor transfer rate | m 3/h | 60 | ? |
| 2 | 2# chain scraper conveyor transfer rate | m 3/h | 60 | ? |
| 3 | 1# hydrabrusher pulping concentration | ％ | 5.0 | ? |
| 4 | 2# hydrabrusher pulping concentration | ％ | 5.0 | ? |
| 5 | 1# reserve pit storage slurry concentration | ％ | 4.0 | ? |
| 6 | 2# reserve pit storage slurry concentration | ％ | 4.0 | ? |
| 7 | 1# HC Cleaner enters to starch concentration | ％ | 4.0 | ? |
| 8 | 1# HC Cleaner ash-retention efficiency | ％ | 10 | ? |
| 9 | 2# HC Cleaner enters to starch concentration | ％ | 4.0 | ? |
| 10 | 2# HC Cleaner ash-retention efficiency | ％ | 10 | ? |
| 11 | 1# kowtows front stock tank storage slurry concentration | ％ | 4.0 | ? |
| 12 | 2# kowtows front stock tank storage slurry concentration | ％ | 4.0 | ? |
| 13 | 1# conical refiner refining concentration | ％ | 4.0 | ? |
| 14 | 2# conical refiner refining concentration | ％ | 4.0 | ? |
| 15 | 3# conical refiner refining concentration | ％ | 4.0 | ? |
| 16 | 4# conical refiner refining concentration | ％ | 4.0 | ? |
| 17 | 5# conical refiner refining concentration | ％ | 4.0 | ? |
| 18 | 1# double disc refiner refining concentration | ％ | 4.0 | ? |
| 19 | 2# double disc refiner refining concentration | ％ | 4.0 | ? |
| 20 | 1# kowtows rear stock tank storage slurry concentration | ％ | 4.0 | ? |
| 21 | 2# kowtows rear stock tank storage slurry concentration | ％ | 4.0 | ? |
| 22 | Pond with slurry concentration with slurry | ％ | 4.0 | ? |
| 23 | Pulp storage tower storage slurry concentration | ％ | 4.0 | ? |
| 24 | Dispersion rosin size consumption | ％ | 0.3 | To oven dry stock |
| 25 | Addition of aluminum sulfate | ％ | 2.0 | To oven dry stock |
Other main technologic parameters of papermaking of the present invention are as following table:
Table 3 main technologic parameters table
| Sequence number | Index name | Unit | By norm | Remarks |
| 1 | Quantitatively | g/m 2 | 60 | ? |
| 2 | Wet end furnish is (wealthy: pin) | ? | 3∶7 | ? |
| 3 | Paper web clear span | mm | 2640 | ? |
| 4 | Copy wide | mm | 2680 | ? |
| 5 | The speed of a motor vehicle | m/min | 320 | ? |
| 6 | The rate of manufacturing paper with pulp | ％ | 98 | ? |
| 7 | Yield rate | ％ | 96 | ? |
| 8 | Become paper mass dryness fraction | ％ | 93 | ? |
| 9 | Dry broke rate | ％ | 1.5 | To the theory amount of manufacturing paper with pulp |
| 10 | Wet broke rate | ％ | 1.5 | To the theory amount of manufacturing paper with pulp |
| " | Enter drying section web dryness | ％ | 44 | ? |
| 12 | Press section wet end broken rate | ％ | 1.0 | To the theory amount of manufacturing paper with pulp |
| 13 | Press section is taken fiber rate out of | ％ | 0.12 | Import is starched |
| 14 | Enter press section web dryness | ％ | 22 | ? |
| 15 | Enter suction couch roll web dryness | ％ | 18 | ? |
| 16 | Wet broke web dryness | ％ | 30 | ? |
| 17 | Enter suction flat box web dryness | ％ | 3 | ? |
| 18 | Couch roll is taken fibre weight out of | ％ | 0.15 | ? |
| 19 | Couch roll wet broke rate | ％ | 1.0 | ? |
| 20 | Trimming width | mm | 50 | ? |
| 21 | Trimming water | L/t | 3000 | ? |
| 22 | Vacuum tank is taken fiber rate out of | ％ | 1.5 | Relative output |
| 23 | Online concentration | ％ | 0.3 | ? |
| 24 | Chopping board is taken fiber rate out of | ％ | 2.0 | ? |
| 25 | Head box reflux ratio | ％ | 10 | ? |
| 26 | Pressurized screen ash-retention efficiency | ％ | 8 | ? |
| 27 | Pressurized screen deslagging density | ％ | 2 | ? |
| 28 | One section of scummer ash-retention efficiency | ％ | 25 | This section is entered to slurry |
| 29 | Two sections of scummer ash-retention efficiencies | ％ | 20 | This section is entered to slurry |
| 30 | Three sections of scummer ash-retention efficiencies | ％ | 20 | This section is entered to slurry |
| 31 | One section of scummer deslagging density | ％ | 1.0 | ? |
| 32 | Two sections of scummer deslagging densities | ％ | 0.8 | ? |
| 33 | Three sections of scummer deslagging densities | ％ | 0.8 | ? |
| 34 | Two sections of scummers enter to starch concentration | ％ | 0.8 | ? |
| 35 | Three sections of scummers enter to starch concentration | ％ | 0.6 | ? |
| 36 | Header box overflow | ％ | 10 | To import slurry |
| 37 | Wet strength agent PAE consumption | Kg/t paper | 15 | To finished product |
| 38 | Wet strength agent PAE concentration | ％ | 0.1 | To finished product |
| 39 | PAM concentration | ％ | 0.1 | To finished product |
| 40 | PAM consumption | ％ | 0.03 | To finished product |
| 41 | Mould inhibitor consumption | Kg/t paper | 15 | To finished product |
| 42 | Mould inhibitor concentration | ％ | 0.1 | To finished product |
Claims (10)
1. a glass interval paper production technology, comprise the following steps: slurrying before copy paper, stream send, press dewatering, dry, before it is characterized in that copy paper, slurrying step comprises carrier bar conveying, pulping, high dense slagging-off, defibrination, store, add and fill out, stream send step to comprise low dense slagging-off, screening before net, stream send, forming table moulding, suction couch roll dehydration, press dewatering step comprises vacuum preloading one, four roller three nip unipress, vacuum is inhaled and is moved, glazing press, drying steps comprises front cylinder dried, top sizing, rear cylinder dried, batch, press polish, before copy paper, the pulping of slurrying step adopts softening clear water pulping, before copy paper, in the storage process of slurrying step, add mould inhibitor, reinforcing agent, stream adds polyacrylamide while sending before the net of step screening.
2. a kind of glass interval paper production technology according to claim 1, it is characterized in that described Process of Applying Glue preferentially adopts adds gum rosin and carries out top sizing.
3. a kind of glass interval paper production technology according to claim 1, is characterized in that described slurrying preferentially adopts hydrabrusher.
4. a kind of glass interval paper production technology according to claim 1, is characterized in that described defibrination preferentially adopts double disc refiner.
5. a kind of glass interval paper production technology according to claim 1, is characterized in that the described copy paper speed of a motor vehicle is at 250～350m/min.
6. a kind of glass interval paper production technology according to claim 1, is characterized in that the preferential air-cushioned head box that adopts of described stream slurry.
7. a kind of glass interval paper production technology according to claim 1, is characterized in that described predrainage preferentially adopts ceramic drainage foil.
8. a kind of glass interval paper production technology according to claim 1, is characterized in that described squeezing preferentially adopts one vacuum preloading, four roller three nip unipress, vacuum to inhale to move, glazing press.
9. a kind of glass interval paper production technology according to claim 1, is characterized in that described front cylinder dried, rear cylinder dried adopt the drying cylinder of 5 groups of 36 Φ 1500mm altogether, and preferential sealing tooth case, enclosed vapour cover, the carrier rope paper injection of adopting.
10. a kind of glass interval paper production technology according to claim 1, is characterized in that described slurry selects bleaching needle-point leaf pulp and bleached hardwood pulp, and its proportioning is 7: 3.
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| CN201310577878.7A CN103603232A (en) | 2013-11-14 | 2013-11-14 | Glass backing paper production process |
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Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105200841A (en) * | 2015-08-18 | 2015-12-30 | 浙江金华丁丁实业有限公司 | ITO conductive film glass protective paper and manufacturing method thereof |
| CN105926367A (en) * | 2016-05-16 | 2016-09-07 | 河南银鸽实业投资股份有限公司 | Mildew-proof and anti-bacterium liquid crystal electronic glass partition paper and production technology thereof |
| CN106087526A (en) * | 2016-06-03 | 2016-11-09 | 沈阳思特雷斯纸业有限责任公司 | Mildew-resistant glass plate packing paper and manufacture method |
| CN106381771A (en) * | 2016-11-23 | 2017-02-08 | 沈阳思特雷斯纸业有限责任公司 | Liquid crystal substrate interleaving paper and manufacturing method |
| CN106868951A (en) * | 2015-10-02 | 2017-06-20 | 旭硝子株式会社 | Glass interval paper, glass plate laminate and glass plate package body |
| CN107083721A (en) * | 2017-06-27 | 2017-08-22 | 陕西科技大学 | A kind of papermaking process of liquid-crystalline glasses feeding spaced papers |
| CN109137623A (en) * | 2018-10-11 | 2019-01-04 | 华邦古楼新材料有限公司 | A kind of TFT-LCD base plate glass leading portion interval paper and its manufacturing method |
| CN109183515A (en) * | 2018-10-15 | 2019-01-11 | 马鞍山市雷立科技有限公司 | Electronic glass flexible spacer paper and production process thereof |
| CN110306378A (en) * | 2018-03-27 | 2019-10-08 | 迁安市恒茂纸业有限公司 | A kind of formula and its preparation method of new anti-fungicide paper |
| CN110528305A (en) * | 2019-09-04 | 2019-12-03 | 齐鲁工业大学 | A kind of preparation method of the liquid crystal glass base feeding spaced papers of " seersucker " structure |
| CN111648159A (en) * | 2020-05-29 | 2020-09-11 | 仙鹤股份有限公司 | Preparation method of mildew-proof glass partition paper |
| TWI811978B (en) * | 2021-03-29 | 2023-08-11 | 日商特種東海製紙股份有限公司 | Glass plate interleaving paper, laminated body, and process for suppressing production of paper dust |
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Cited By (14)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN105200841A (en) * | 2015-08-18 | 2015-12-30 | 浙江金华丁丁实业有限公司 | ITO conductive film glass protective paper and manufacturing method thereof |
| CN106868951A (en) * | 2015-10-02 | 2017-06-20 | 旭硝子株式会社 | Glass interval paper, glass plate laminate and glass plate package body |
| CN105926367A (en) * | 2016-05-16 | 2016-09-07 | 河南银鸽实业投资股份有限公司 | Mildew-proof and anti-bacterium liquid crystal electronic glass partition paper and production technology thereof |
| CN106087526B (en) * | 2016-06-03 | 2018-02-02 | 沈阳思特雷斯纸业有限责任公司 | Mould proof glass plate packing paper and manufacture method |
| CN106087526A (en) * | 2016-06-03 | 2016-11-09 | 沈阳思特雷斯纸业有限责任公司 | Mildew-resistant glass plate packing paper and manufacture method |
| CN106381771A (en) * | 2016-11-23 | 2017-02-08 | 沈阳思特雷斯纸业有限责任公司 | Liquid crystal substrate interleaving paper and manufacturing method |
| CN107083721A (en) * | 2017-06-27 | 2017-08-22 | 陕西科技大学 | A kind of papermaking process of liquid-crystalline glasses feeding spaced papers |
| CN110306378A (en) * | 2018-03-27 | 2019-10-08 | 迁安市恒茂纸业有限公司 | A kind of formula and its preparation method of new anti-fungicide paper |
| CN109137623A (en) * | 2018-10-11 | 2019-01-04 | 华邦古楼新材料有限公司 | A kind of TFT-LCD base plate glass leading portion interval paper and its manufacturing method |
| CN109183515A (en) * | 2018-10-15 | 2019-01-11 | 马鞍山市雷立科技有限公司 | Electronic glass flexible spacer paper and production process thereof |
| CN109183515B (en) * | 2018-10-15 | 2021-07-06 | 马鞍山市雷立科技有限公司 | Electronic glass flexible spacer paper and production process thereof |
| CN110528305A (en) * | 2019-09-04 | 2019-12-03 | 齐鲁工业大学 | A kind of preparation method of the liquid crystal glass base feeding spaced papers of " seersucker " structure |
| CN111648159A (en) * | 2020-05-29 | 2020-09-11 | 仙鹤股份有限公司 | Preparation method of mildew-proof glass partition paper |
| TWI811978B (en) * | 2021-03-29 | 2023-08-11 | 日商特種東海製紙股份有限公司 | Glass plate interleaving paper, laminated body, and process for suppressing production of paper dust |
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Application publication date: 20140226 |