CN103225239A - Manufacturing method of high-interlayer bonding strength high-deflection thin paperboard - Google Patents
Manufacturing method of high-interlayer bonding strength high-deflection thin paperboard Download PDFInfo
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- CN103225239A CN103225239A CN2013100226408A CN201310022640A CN103225239A CN 103225239 A CN103225239 A CN 103225239A CN 2013100226408 A CN2013100226408 A CN 2013100226408A CN 201310022640 A CN201310022640 A CN 201310022640A CN 103225239 A CN103225239 A CN 103225239A
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- aqueous solution
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- formaldehyde resin
- repellent agent
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Abstract
The invention discloses a manufacturing method of a high-interlayer bonding strength high-deflection thin paperboard. The manufacturing method is characterized in that a compound binder aqueous solution is sprayed between two adjacent wet paper sheets so that the high-interlayer bonding strength high-deflection thin paperboard is formed; the compound binder aqueous solution is prepared by orderly dissolving a polyacrylamide modifier and a modified melamino-formaldehyde resin water repellent agent in clear water in a tank to form an aqueous solution; a mass concentration of the aqueous solution is in a range of 0.35 to 2.0%; the aqueous solution comprises 0.3 to 1.8wt% of the polyacrylamide modifier and 0.05 to 0.20wt% of the modified melamino-formaldehyde resin water repellent agent; a spray amount of the polyacrylamide modifier stoste between the two adjacent wet paper sheets is in a range of 0.15 to 0.95g/m<2>; a spray amount of the modified melamino-formaldehyde resin water repellent agent stoste is in a range of 0.025 to 0.10g/m<2>; the compound binder aqueous solution sprayed between the two adjacent wet paper sheets is in a mist state; and the sprayed compound binder aqueous solution mist is covered on the whole wet paper sheets. The manufacturing method increases bonding points and bonding force between paper pulp fibers, and improves interlayer bonding strength, deflection and moisture resistance of the paperboard.
Description
Technical field
The invention belongs to pulp technology for making paper, relate to the manufacture method of bond strength high-stiffness presspaper between a kind of high level.
Background technology
Some extraordinary presspaper is 250g/m especially
2-600g/m
2Presspaper all require to have very high interfacial bonding strength and higher deflection, in use the phenomenon that layering and manufactured goods are out of shape because of the deflection difference can not appear.The general employing improved the interfacial bonding strength that the pulp beating degree increases cardboard, but the paper pulp of high beating degree is on the one hand in papermaking wet end drainage difficulty, the dehydration of moulding l Water Paper page or leaf is poor, when producing cardboard, fall slurry easily, paper defects such as foaming and generation wrinkle, the cardboard tightness of producing on the other hand is big, deflection is poor, and need consume more electric energy for improving beating degree, though and the low paper pulp drainage of beating degree is better, the cardboard tightness of producing is little, and deflection is higher relatively, but because the paper pulp fiber wire-dividing broom purification is bad, the power that interweaves between fiber is poor, poor bonding strength between the ply of board of copying, layering easily.201210333283.2 of prior art such as the applicant's application, be used for the manufacturing of millboard, this method lays particular emphasis on the interfacial bonding strength that improves millboard, be before utilizing paper pulp after online forms the l Water Paper page or leaf, to fit together mutually, spray vaporific binder aqueous solution at the l Water Paper interlayer, the concentration that further defines the described composite adhesive aqueous solution is 2.0%-5.0%, polyacrylamide modifier quality concentration 0.3%-0.8%, and the mass concentration of spray starch is 1.5%-3.5%; Use fan nozzle, injector spacing is at 80mm-130mm, and atomisation pressure is controlled at 0.3Mpa-0.4Mpa.Because of some presspaper had not only needed between high level bond strength but also had needed to have higher deflection, and in the cardboard content of starch when high since starch have the easy moisture absorption of hydrophilic group cardboard deliquescing deflection reduced, therefore, the method is used for the manufacturing of presspaper and not exclusively suitable, mainly is to keep the easy moisture absorption of starch in cardboard and the cardboard deflection is reduced.
Summary of the invention
The manufacture method that the purpose of this invention is to provide bond strength high-stiffness presspaper between a kind of high level.This method adopts the paper pulp of low beating degree, utilize the effects such as crosslinked, chemical bonding of high molecular weight water soluble polymer and starch and paper pulp fiber to make cardboard obtain higher interfacial bonding strength and higher deflection, use the crosslinked cardboard that makes such as modified melamine-formaldehyde resin water repellent agent and starch, fiber to obtain certain wet strength and moisture resistance, to reduce owing to of the influence of the starch moisture absorption to the cardboard deflection.
Technical scheme of the present invention:
The manufacture method of bond strength high-stiffness presspaper between a kind of high level, be to utilize interfacial bonding strength and the deflection that improves cardboard at l Water Paper interlayer spray composite adhesive, before after the paper pulp online forms the l Water Paper page or leaf, fitting together mutually, a kind of composite adhesive aqueous solution of spray between adjacent two layers l Water Paper page or leaf, the described composite adhesive aqueous solution are the aqueous solution that polyacrylamide modifier and modified melamine-formaldehyde resin water repellent agent priority dispersing and dissolving form in same jar of clear water; Its mass concentration is 0.35%-2.0%, wherein the polyacrylamide modifier is 0.3%-1.8%, modified melamine-formaldehyde resin water repellent agent concentration is 0.05%-0.20%, polyacrylamide modifier stoste spray flux 0.15-0.95 g/m between adjacent two layers l Water Paper page or leaf
2, modified melamine-formaldehyde resin water repellent agent stoste spray flux 0.025-0.10 g/m
2,, spray must be vaporific at the binder aqueous solution of l Water Paper interlayer, and the vaporific binder solution of ejection is to the page all standing.
Preferably: the described composite adhesive aqueous solution also comprises starch, the described composite adhesive aqueous solution is the aqueous solution that polyacrylamide modifier, modified melamine-formaldehyde resin water repellent agent and starch priority dispersing and dissolving form in same jar of clear water, its mass concentration is 1.0%-3.5%, wherein the polyacrylamide modifier is 0.3%-1.0%, modified melamine-formaldehyde resin water repellent agent concentration is 0.05%-0.20%, and spray starch is 0.65-2.3%; Polyacrylamide modifier stoste spray flux 0.15g-0.50g/m between adjacent two layers l Water Paper page or leaf
2, modified melamine-formaldehyde resin water repellent agent stoste spray flux 0.025g-0.10g/m
2, spray starch spray flux 0.325g-1.15g/m
2, spray must be vaporific at the binder aqueous solution of l Water Paper interlayer, and the vaporific binder solution of ejection is to the page all standing.
Further: polyacrylamide modifier quality concentration 0.6%-0.8% in the aqueous solution, modified melamine-formaldehyde resin water repellent agent mass concentration 0.08%-0.10%, spray starch mass concentration 1.0%-1.5%.
Described polyacrylamide modifier employing mass concentration is 15% stoste, and the modified melamine-formaldehyde resin water repellent agent adopts the stoste of mass concentration 65%.
Described between adjacent two layers l Water Paper page or leaf the spray a kind of composite adhesive aqueous solution promptly spray between top layer and sandwich layer, sandwich layer and sandwich layer and sandwich layer and backing layer.
Spray fan nozzle, injector spacing are at 80mm-120mm, and the vaporific binder solution of guaranteeing to spray is to the page all standing, and atomisation pressure is controlled at 0.3Mpa-0.4Mpa and is vaporific with the composite adhesive aqueous solution of guaranteeing the nozzle ejection.
Further a kind of manufacture method that comprises bond strength high-stiffness presspaper between any one high level of claim 1-6.
The present invention manufactures paper with pulp easy and energy-conservation, and the paper pulp low because of beating degree is good at papermaking wet end drainage, and dehydration is difficult for falling slurry, foaming easily in the process of manufacturing paper with pulp, manufacture paper with pulp easily; In addition low beating degree can not need degree of depth defibrination and save a large amount of electric energy; The interfacial bonding strength and the deflection effect that improve cardboard are remarkable, and the retention that improves paper pulp and chemical industry auxiliary material is also had certain effect, can make cardboard obtain certain wet strength and moisture resistance simultaneously.In the paper pulp online forming process, spray polyacrylamide modifier stoste and modified melamine-formaldehyde resin water repellent agent stoste between adjacent two layers l Water Paper page or leaf, or spray starch, not only improved the retention of fiber fines, and improved the retention of other adhesives such as starch greatly, bridge linking effect plays in hydroxyl and modification group that while polyacrylamide modifier itself carries between fiber, increased and paper pulp fiber between bonding point and bonding force, thereby bond strength and deflection between ply of board have been improved greatly, simultaneously modified melamine-formaldehyde resin water repellent agent and starch, the cross-linked network of formations such as fiber makes the wet strength of cardboard and moisture resistance obtain certain raising.
Description of drawings
Fig. 1 is an embodiment of the invention process chart.
The specific embodiment
The present invention is further described by the following examples, yet scope of the present invention is not limited to following embodiment.
Technological process is: No. 1 net (l Water Paper floor 1); Spray adhesive; No. 2 nets (l Water Paper floor 2); Spray adhesive; N net (l Water Paper layer n); Roller later; Main pressure roller; Press section; Cylinder dried portion; Calender; Batch; Rewinding is cut; The packing warehouse-in.
In the spray adhesive technological process, composite adhesive aqueous solution principal component can be:
The described composite adhesive aqueous solution is the aqueous solution that polyacrylamide modifier and modified melamine-formaldehyde resin water repellent agent priority dispersing and dissolving form in same jar of clear water; Its mass concentration is 0.35%-2.0%, wherein the polyacrylamide modifier is 0.3%-1.8%, modified melamine-formaldehyde resin water repellent agent concentration is 0.05%-0.20%, polyacrylamide modifier stoste spray flux 0.15-0.95 g/m between adjacent two layers l Water Paper page or leaf
2, modified melamine-formaldehyde resin water repellent agent stoste spray flux 0.025-0.10 g/m
2,, spray must be vaporific at the binder aqueous solution of l Water Paper interlayer, and the vaporific binder solution of ejection is to the page all standing.(seeing embodiment 2).
The described composite adhesive aqueous solution is the aqueous solution that polyacrylamide modifier, modified melamine-formaldehyde resin water repellent agent and starch priority dispersing and dissolving form in same jar of clear water, its mass concentration is 1.0%-3.5%, wherein the polyacrylamide modifier is 0.3%-1.0%, modified melamine-formaldehyde resin water repellent agent concentration is 0.05%-0.20%, and spray starch is 0.65%-2.3%; Polyacrylamide modifier stoste spray flux 0.15g-0.50g/m between adjacent two layers l Water Paper page or leaf
2, modified melamine-formaldehyde resin water repellent agent stoste spray flux 0.025g-0.10g/m
2, spray starch spray flux 0.325g-1.15g/m
2, spray must be vaporific at the binder aqueous solution of l Water Paper interlayer, and the vaporific binder solution of ejection is to the page all standing.(seeing embodiment 3).
Embodiment 1: the adhesive principal component is a spray starch, and its concentration of aqueous solution is generally at 1.0%--4.0%, and the spray starch spray flux is 0.53g--2.1g between adjacent two layers l Water Paper page or leaf.The best working concentration of spray starch is decided preferred concentration 2.5%-3.5% according to paper machine speed and starch spray flux.Spray flux 1.31--1.83g/m between stratum granulosum
2
Embodiment 2: the composite adhesive principal component is polyacrylamide modifier and modified melamine-formaldehyde resin water repellent agent, its concentration of aqueous solution is generally 0.35%-2.0%, polyacrylamide modifier stoste spray flux is every square metre of 0.15g-0.95g between adjacent two layers l Water Paper page or leaf, every square metre of 0.025g-0.10g of modified melamine-formaldehyde resin water repellent agent stoste spray flux.Best working concentration is decided optimization polypropylene acid amides modifier original liquid concentration 1.2%, modified melamine-formaldehyde resin water repellent agent original liquid concentration 0.12% according to paper machine speed and spray flux.Interlayer spray flux: polyacrylamide modifier stoste 0.57 g/m
2, modified melamine-formaldehyde resin water repellent agent stoste 0.057 g/m
2
Embodiment 3: composite adhesive aqueous solution principal component is polyacrylamide modifier, modified melamine-formaldehyde resin water repellent agent and spray starch.The binder aqueous solution mass concentration is generally 1.68%-2.4%, and binder aqueous solution concentration is decided according to the spray flux of paper machine speed and adhesive.Optimization polypropylene acid amides modifier original liquid concentration 0.75%, modified melamine-formaldehyde resin water repellent agent original liquid concentration 0.09%, spray starch concentration 1.0%, interlayer spray flux: polyacrylamide modifier stoste 0.35 g/m
2, modified melamine-formaldehyde resin water repellent agent stoste 0.04 g/m
2, starch 0.47 g/m
2
5 cubic metres of binder aqueous solutions during use, 65 minutes service time, 90 meters/minute of paper machine speeds.6 interlayers of spray when 2.70 meters of cardboard fabric widths, 7 layers of ply of papers.
Test data:
Subordinate list 1.
Subordinate list 1 proves and has obtained said effect really for producing the test data of product.
Claims (7)
1. the manufacture method of bond strength high-stiffness presspaper between a high level, be to utilize interfacial bonding strength and the deflection that improves cardboard at l Water Paper interlayer spray composite adhesive, before after the paper pulp online forms the l Water Paper page or leaf, fitting together mutually, a kind of composite adhesive aqueous solution of spray between adjacent two layers l Water Paper page or leaf is characterized in that: the described composite adhesive aqueous solution is the aqueous solution that polyacrylamide modifier and modified melamine-formaldehyde resin water repellent agent priority dispersing and dissolving form in same jar of clear water; Its mass concentration is 0.35%-2.0%, wherein the polyacrylamide modifier is 0.3%-1.8%, modified melamine-formaldehyde resin water repellent agent concentration is 0.05%-0.20%, polyacrylamide modifier stoste spray flux 0.15-0.95 g/m between adjacent two layers l Water Paper page or leaf
2, modified melamine-formaldehyde resin water repellent agent stoste spray flux 0.025-0.10 g/m
2,, spray must be vaporific at the binder aqueous solution of l Water Paper interlayer, and the vaporific binder solution of ejection is to the page all standing.
2. the manufacture method of bond strength high-stiffness presspaper between a kind of high level according to claim 1, it is characterized in that: the described composite adhesive aqueous solution also comprises starch, the described composite adhesive aqueous solution is the aqueous solution that polyacrylamide modifier, modified melamine-formaldehyde resin water repellent agent and starch priority dispersing and dissolving form in same jar of clear water, its mass concentration is 1.0%-3.5%, wherein the polyacrylamide modifier is 0.3%-1.0%, modified melamine-formaldehyde resin water repellent agent concentration is 0.05%-0.20%, and spray starch is 0.65-2.3%; Polyacrylamide modifier stoste spray flux 0.15g-0.50g/m between adjacent two layers l Water Paper page or leaf
2, modified melamine-formaldehyde resin water repellent agent stoste spray flux 0.025g-0.10g/m
2, spray starch spray flux 0.325g-1.15g/m
2, spray must be vaporific at the binder aqueous solution of l Water Paper interlayer, and the vaporific binder solution of ejection is to the page all standing.
3. the manufacture method of bond strength high-stiffness presspaper between a kind of high level according to claim 2, it is characterized in that: polyacrylamide modifier quality concentration 0.6%-0.8% in the aqueous solution, modified melamine-formaldehyde resin water repellent agent mass concentration 0.08%-0.10%, spray starch mass concentration 1.0%-1.5%.
4. the manufacture method of bond strength high-stiffness presspaper between a kind of high level according to claim 1 and 2, it is characterized in that: described polyacrylamide modifier employing mass concentration is 15% stoste, and the modified melamine-formaldehyde resin water repellent agent adopts the stoste of mass concentration 65%.
5. the manufacture method of bond strength high-stiffness presspaper between a kind of high level according to claim 1 and 2 is characterized in that: described between adjacent two layers l Water Paper page or leaf the spray a kind of composite adhesive aqueous solution promptly spray between top layer and sandwich layer, sandwich layer and sandwich layer and sandwich layer and backing layer.
6. the manufacture method of bond strength high-stiffness presspaper between a kind of high level according to claim 1, it is characterized in that: the spray fan nozzle, injector spacing is at 80mm-120mm, the vaporific binder solution of guaranteeing to spray is to the page all standing, and atomisation pressure is controlled at 0.3Mpa-0.4Mpa and is vaporific with the composite adhesive aqueous solution of guaranteeing the nozzle ejection.
7. manufacture method that comprises bond strength high-stiffness presspaper between any one high level of claim 1-6.
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| CN201310022640.8A CN103225239B (en) | 2013-01-22 | 2013-01-22 | A kind of manufacture method of high interfacial bonding strength high-stiffness presspaper |
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| CN201310022640.8A CN103225239B (en) | 2013-01-22 | 2013-01-22 | A kind of manufacture method of high interfacial bonding strength high-stiffness presspaper |
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| CN103225239A true CN103225239A (en) | 2013-07-31 |
| CN103225239B CN103225239B (en) | 2015-11-25 |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350375A (en) * | 2015-10-28 | 2016-02-24 | 江西弘泰电子信息材料有限公司 | Waterproof and damp-proof raw paper dedicated for electronic paper tape, and preparation method thereof |
| CN105969246A (en) * | 2016-05-20 | 2016-09-28 | 山西朱好古麻笺纸业有限公司 | Adhesive for manufacturing hemp paper |
| CN112609488A (en) * | 2020-12-25 | 2021-04-06 | 镇江大东纸业有限公司 | Method for producing multilayer paper with high interlayer bonding strength |
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| JPH03252486A (en) * | 1990-03-02 | 1991-11-11 | Nippon Kakoh Seishi Kk | Release paper |
| CN101225627A (en) * | 2008-01-18 | 2008-07-23 | 陕西科技大学 | Method for preparing gas-phase rust-preventive paper by using industrial solid waste fiber |
| CN101736629A (en) * | 2009-12-04 | 2010-06-16 | 中国海诚工程科技股份有限公司 | Hot-pressing tympan paper and manufacturing method thereof |
| CN102877357A (en) * | 2012-09-11 | 2013-01-16 | 江西弘泰纸业有限公司 | Preparation method of thick paperboard with high bonding strength between paperboards |
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2013
- 2013-01-22 CN CN201310022640.8A patent/CN103225239B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPH03252486A (en) * | 1990-03-02 | 1991-11-11 | Nippon Kakoh Seishi Kk | Release paper |
| CN101225627A (en) * | 2008-01-18 | 2008-07-23 | 陕西科技大学 | Method for preparing gas-phase rust-preventive paper by using industrial solid waste fiber |
| CN101736629A (en) * | 2009-12-04 | 2010-06-16 | 中国海诚工程科技股份有限公司 | Hot-pressing tympan paper and manufacturing method thereof |
| CN102877357A (en) * | 2012-09-11 | 2013-01-16 | 江西弘泰纸业有限公司 | Preparation method of thick paperboard with high bonding strength between paperboards |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105350375A (en) * | 2015-10-28 | 2016-02-24 | 江西弘泰电子信息材料有限公司 | Waterproof and damp-proof raw paper dedicated for electronic paper tape, and preparation method thereof |
| CN105969246A (en) * | 2016-05-20 | 2016-09-28 | 山西朱好古麻笺纸业有限公司 | Adhesive for manufacturing hemp paper |
| CN112609488A (en) * | 2020-12-25 | 2021-04-06 | 镇江大东纸业有限公司 | Method for producing multilayer paper with high interlayer bonding strength |
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| CN103225239B (en) | 2015-11-25 |
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Address after: Six industrial park, 344400 Li County, Jiangxi, Fuzhou, Yihuang Applicant after: JIANGXI HONGTAI ELECTRONIC INFORMATION MATERIAL CO., LTD. Address before: Six industrial park, 344400 Li County, Jiangxi, Fuzhou, Yihuang Applicant before: Jiangxi Hongtai Paper Industry Co., Ltd. |
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