CN103225239B - A kind of manufacture method of high interfacial bonding strength high-stiffness presspaper - Google Patents
A kind of manufacture method of high interfacial bonding strength high-stiffness presspaper Download PDFInfo
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- CN103225239B CN103225239B CN201310022640.8A CN201310022640A CN103225239B CN 103225239 B CN103225239 B CN 103225239B CN 201310022640 A CN201310022640 A CN 201310022640A CN 103225239 B CN103225239 B CN 103225239B
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Abstract
The invention discloses a kind of manufacture method of high interfacial bonding strength high-stiffness presspaper, between adjacent two layers l Water Paper page, spray a kind of composite adhesive aqueous solution, the composite adhesive aqueous solution is the aqueous solution that polyacrylamide modifier and modified melamine-formaldehyde resin water repellent agent priority dispersing and dissolving are formed in same tank clear water; Its mass concentration is 0.35%-2.0%, does is wherein polyacrylamide modifier? 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 between adjacent two layers l Water Paper page? g? / m2, modified melamine-formaldehyde resin water repellent agent stoste spray flux 0.025-0.10? g? / m2, spraying must in vaporific at the binder aqueous solution of l Water Paper interlayer, and the vaporific binder solution of ejection is to page all standing.Invention increases and bonding point between paper pulp fiber and bonding force, improve the moisture resistance of the bond strength between ply of board, deflection and cardboard.
Description
Technical field
The invention belongs to pulp technology for making paper, relate to a kind of manufacture method of high interfacial bonding strength high-stiffness presspaper.
Background technology
Some extraordinary presspaper especially 250g/m
2-600g/m
2presspaper all require that there is very high interfacial bonding strength and higher deflection, in use can not there is the phenomenon that layering and manufactured goods are out of shape because deflection difference.General employing improves the interfacial bonding strength that pulp freeness increases cardboard, but the paper pulp of high beating degree is on the one hand in papermaking wet end drainage difficulty, the dehydration of formation wet page is poor, easily slurry is fallen when producing cardboard, bubble and produce the paper defects such as wrinkle, the cardboard tightness produced on the other hand is large, deflection is poor, and more electric energy need be consumed for improving beating degree, and although the low paper pulp drainage of beating degree is better, the cardboard tightness produced is little, deflection is relatively high, but because paper pulp fiber wire-dividing broom purification is bad, the power that interweaves between fiber difference, poor bonding strength between the ply of board be copied into, easy layering.Prior art as the applicant apply for 201210333283.2, for the manufacture of millboard, the method lays particular emphasis on the interfacial bonding strength improving millboard, be utilize paper pulp after online forms l Water Paper page bonded to each other together before, vaporific binder aqueous solution is sprayed at l Water Paper interlayer, the concentration further defining the described composite adhesive aqueous solution is 2.0%-5.0%, polyacrylamide modifier mass concentration 0.3%-0.8%, and the mass concentration of spray starch is 1.5%-3.5%; With fan nozzle, injector spacing is at 80mm-130mm, and spray press control is at 0.3Mpa-0.4Mpa.Because some presspaper not only needs high interfacial bonding strength but also need to have higher deflection, and because starch has the hydrophilic group easy moisture absorption, cardboard deliquescing deflection is reduced during content of starch height in cardboard, therefore, the manufacture that the method is used for presspaper is also not exclusively suitable, mainly keeps the easy moisture absorption of starch in cardboard and paperboard stiffness is reduced.
Summary of the invention
The object of this invention is to provide a kind of manufacture method of high interfacial bonding strength high-stiffness presspaper.The method adopts the paper pulp of lower beating degree, utilizing crosslinked, the chemical bonding of high molecular weight water soluble polymer and starch and paper pulp fiber etc. to act on makes cardboard obtain higher interfacial bonding strength and higher deflection, modified melamine-formaldehyde resin water repellent agent and the crosslinked cardboard that makes such as starch, fiber is used to obtain certain wet strength and moisture resistance, to reduce because the starch moisture absorption is on the impact of paperboard stiffness.
Technical scheme of the present invention:
. a kind of manufacture method of high interfacial bonding strength high-stiffness presspaper, utilize at l Water Paper interlayer spray composite adhesive to improve interfacial bonding strength and the deflection of cardboard, after paper pulp online forms l Water Paper page bonded to each other together before, between adjacent two layers l Water Paper page, spray a kind of composite adhesive aqueous solution, 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 are formed in same tank clear water; Its mass concentration is 0.35%-2.0%, and wherein polyacrylamide modifier is 0.3%-1.8%, and modified melamine-formaldehyde resin water repellent agent concentration is 0.05%-0.20%, polyacrylamide modifier stoste spray flux 0.15-0.95g/m between adjacent two layers l Water Paper page
2, modified melamine-formaldehyde resin water repellent agent stoste spray flux 0.025-0.10g/m
2,, spraying must in vaporific at the binder aqueous solution of l Water Paper interlayer, and the vaporific binder solution of ejection is to page all standing.
Preferred: the described composite adhesive aqueous solution also comprises starch, the described composite adhesive aqueous solution is polyacrylamide modifier, modified melamine-formaldehyde resin water repellent agent and the starch successively aqueous solution that formed in same tank clear water of dispersing and dissolving, its mass concentration is 1.0%-3.5%, wherein 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
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, spraying must in vaporific at the binder aqueous solution of l Water Paper interlayer, and the vaporific binder solution of ejection is to page all standing.
Further: polyacrylamide modifier mass 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 adopts mass concentration to be the stoste of 15%, and modified melamine-formaldehyde resin water repellent agent adopts the stoste of mass concentration 65%.
Describedly between adjacent two layers l Water Paper page, spray a kind of composite adhesive aqueous solution namely spray at top layer and sandwich layer, sandwich layer and sandwich layer and between sandwich layer and backing layer.
Spray fan nozzle, injector spacing, at 80mm-120mm, guarantees that the vaporific binder solution sprayed is to page all standing, and spray press control is vaporific at 0.3Mpa-0.4Mpa with the composite adhesive aqueous solution guaranteed nozzle and spray.
Further one comprises the manufacture method of the high interfacial bonding strength high-stiffness presspaper of claim 1-6 any one.
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 easily, is not easily fallen slurry, bubbled, easily manufacture paper with pulp in the process of manufacturing paper with pulp; Another low beating degree can not need degree of depth defibrination and save a large amount of electric energy; Improve interfacial bonding strength and the deflection Be very effective of cardboard, also have certain effect to the retention improving paper pulp and chemical industry auxiliary material, cardboard can be made to obtain certain wet strength and moisture resistance simultaneously.In paper pulp online forming process, polyacrylamide modifier stoste and modified melamine-formaldehyde resin water repellent agent stoste is sprayed between adjacent two layers l Water Paper page, or spray starch, not only increase the retention of fiber fines, and substantially increase the retention of other adhesives such as starch, simultaneously bridge linking effect plays between fiber in the hydroxyl that carries of polyacrylamide modifier itself and modification group, add and bonding point between paper pulp fiber and bonding force, thus the bond strength substantially increased between ply of board and deflection, modified melamine-formaldehyde resin water repellent agent and starch simultaneously, the cross-linked network that fiber etc. are formed makes the wet strength of cardboard and moisture resistance obtain certain raising.
Accompanying drawing explanation
Fig. 1 is embodiment of the present invention process chart.
Detailed description of the invention
The present invention is further described by the following examples, but 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); Later roller; Main pressure roller; Press section; Cylinder drying portion; Calender; Batch; Rewind slitting; Packaging warehouse-in.
In 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 are formed in same tank clear water; Its mass concentration is 0.35%-2.0%, and wherein polyacrylamide modifier is 0.3%-1.8%, and modified melamine-formaldehyde resin water repellent agent concentration is 0.05%-0.20%, polyacrylamide modifier stoste spray flux 0.15-0.95g/m between adjacent two layers l Water Paper page
2, modified melamine-formaldehyde resin water repellent agent stoste spray flux 0.025-0.10g/m
2,, spraying must in vaporific at the binder aqueous solution of l Water Paper interlayer, and the vaporific binder solution of ejection is to page all standing.(see embodiment 2).
The described composite adhesive aqueous solution is polyacrylamide modifier, modified melamine-formaldehyde resin water repellent agent and the starch successively aqueous solution that formed in same tank clear water of dispersing and dissolving, its mass concentration is 1.0%-3.5%, wherein 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
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, spraying must in vaporific at the binder aqueous solution of l Water Paper interlayer, and the vaporific binder solution of ejection is to page all standing.(see embodiment 3).
Embodiment 1: adhesive principal component is spray starch, its concentration of aqueous solution is generally at 1.0%--4.0%, and between adjacent two layers l Water Paper page, spray starch spray flux is 0.53g--2.1g.The best working concentration of spray starch is determined, 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: 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%, between adjacent two layers l Water Paper page, polyacrylamide modifier stoste spray flux is every square metre of 0.15g-0.95g, modified melamine-formaldehyde resin water repellent agent stoste spray flux every square metre of 0.025g-0.10g.Best working concentration is determined according to paper machine speed and spray flux, optimization polypropylene amide modifications thing original liquid concentration 1.2%, modified melamine-formaldehyde resin water repellent agent original liquid concentration 0.12%.Interlayer spray flux: polyacrylamide modifier stoste 0.57g/m
2, modified melamine-formaldehyde resin water repellent agent stoste 0.057g/m
2.
Embodiment 3: composite adhesive aqueous solution principal component is polyacrylamide modifier, modified melamine-formaldehyde resin water repellent agent and spray starch.Binder aqueous solution mass concentration is generally 1.68%-2.4%, and binder aqueous solution concentration is determined according to the spray flux of paper machine speed and adhesive.Optimization polypropylene amide modifications thing 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 0.35g/m
2, modified melamine-formaldehyde resin water repellent agent stoste 0.04g/m
2, starch 0.47g/m
2.
5 cubic metres of binder aqueous solutions during use, 65 minutes service time, paper machine speed 90 ms/min.Cardboard fabric width 2.70 meters, sprays 6 interlayers during ply of paper 7 layers.
Test data:
Subordinate list 1.
Subordinate list 1 is the test data of producing product, proves really to achieve said effect.
Claims (1)
1. the manufacture method of one kind high interfacial bonding strength high-stiffness presspaper, utilize at l Water Paper interlayer spray composite adhesive to improve interfacial bonding strength and the deflection of cardboard, after paper pulp online forms l Water Paper page bonded to each other together before, a kind of composite adhesive aqueous solution is sprayed between adjacent two layers l Water Paper page, it is characterized in that: the described composite adhesive aqueous solution also comprises starch, the described composite adhesive aqueous solution is polyacrylamide modifier, the aqueous solution that modified melamine-formaldehyde resin water repellent agent and starch priority dispersing and dissolving are formed in same tank clear water, its mass concentration is 1.68%-2.4%, wherein polyacrylamide modifier is 0.75%, modified melamine-formaldehyde resin water repellent agent concentration is 0.09%, spray starch is 1.0%, polyacrylamide modifier stoste spray flux 0.35g/m between adjacent two layers l Water Paper page
2, modified melamine-formaldehyde resin water repellent agent stoste spray flux 0.04g/m
2, spray starch spray flux 0.47g/m
2, spraying must in vaporific at the binder aqueous solution of l Water Paper interlayer, and the vaporific binder solution of ejection is to page all standing,
5 cubic metres of binder aqueous solutions during use, 65 minutes service time, paper machine speed 90 ms/min; Cardboard fabric width 2.70 meters, sprays 6 interlayers during ply of paper 7 layers; Spray fan nozzle, injector spacing, at 80mm-120mm, guarantees that the vaporific binder solution sprayed is to page all standing, and spray press control is vaporific at 0.3Mpa-0.4Mpa with the composite adhesive aqueous solution guaranteed nozzle and spray.
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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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| CN103225239B true CN103225239B (en) | 2015-11-25 |
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Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| 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 |
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 |
-
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 |
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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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Address after: Six industrial park, 344400 Li County, Jiangxi, Fuzhou, Yihuang Patentee after: Jiangxi Jie Mei electronic information materials Co., Ltd. Address before: Six industrial park, 344400 Li County, Jiangxi, Fuzhou, Yihuang Patentee before: JIANGXI HONGTAI ELECTRONIC INFORMATION MATERIAL CO., LTD. |