CN101736629A - Hot-pressing tympan paper and manufacturing method thereof - Google Patents
Hot-pressing tympan paper and manufacturing method thereof Download PDFInfo
- Publication number
- CN101736629A CN101736629A CN200910199950A CN200910199950A CN101736629A CN 101736629 A CN101736629 A CN 101736629A CN 200910199950 A CN200910199950 A CN 200910199950A CN 200910199950 A CN200910199950 A CN 200910199950A CN 101736629 A CN101736629 A CN 101736629A
- Authority
- CN
- China
- Prior art keywords
- pulp
- paper
- slurry
- oven dry
- natural color
- 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
Abstract
The invention provides hot-pressing tympan paper and a manufacturing method thereof. The hot-pressing tympan paper is composed of a surface layer, a core layer and a bottom layer, wherein, the oven dry stock weight of the surface layer accounts for 20-30% of the total oven dry stock weight, the oven dry stock weight of unbleached pulp used by the bottom layer is the same as the oven dry stock weight of batter, the oven dry stock weight of unbleached pulp and coal ash fiber slurry used in a core layer accounts for 40-60% of the total oven dry stock weight, and the oven dry weight ratio of unbleached pulp to coal ash fiber slurry is 25-40:60-75. The method is characterized in that a multi-layer manufacturing technique of the core layer containing coal ash fiber is adopted to generate hot-pressing tympan paper, compared with a manufacturing technique adopted by current hot-pressing tympan paper, the produced hot-pressing tympan paper has the advantages of level surface, large bursting strength, strong buffering capacity, good temperature tolerance, good temperature conductivity and the like.
Description
Technical field
The present invention relates to a kind of cardboard and pulping method thereof in the paper industry, belong to pulp technology for making paper.
Background technology
Hot pressing tympan paper is to make required special-purpose packing paper in the copper-clad laminate hot press forming technology.Hot press forming technology requires to protect at each place mat one deck of laminated board upper and lower faces or two-layer tympan paper.Be worn, stain for fear of laminated board, hot pressing tympan paper is compared with the performance requirement of paper with general industry, and it has specific (special) requirements to surface smoothness, buffer capacity, heat transfer property, bursting strength and the temperature tolerance etc. of cardboard.It is that raw material is manufactured paper with pulp brown paper as hot pressing tympan paper that domestic and international each manufacturer mainly adopts true qualities broad-leaved or softwood pulp, and weak point shows as: one, this hot pressing tympan paper is generally made by pure wood pulp, and cost is than higher; Two, the hot pressing tympan paper heat-resisting quantity of all being manufactured paper with pulp by string is relatively poor, the easy embrittlement of cardboard; Three, the gas permeability difference causes the low and inequality of conducting heat of heat transfer efficiency; Four, the cardboard of higher tightness can influence buffer capacity, may cause damage to copper-clad laminate.
Summary of the invention
Purpose of the present invention is to provide that a kind of with low cost, cardboard is difficult for embrittlement, gas permeability is strong and little hot pressing tympan paper and the pulping method thereof of cardboard tightness.
In order to achieve the above object, the invention provides a kind of hot pressing tympan paper, be made up of surface layer, sandwich layer and bottom, it is characterized in that, surface layer and bottom are all manufactured paper with pulp by natural color pulp, and sandwich layer is starched in manufacturing paper with pulp behind the constant weight ratio mixing by natural color pulp and coal ash fiber.
Further, described natural color pulp is the true qualities softwood pulp.
The oven dry stock weight of the used natural color pulp of surface layer accounts for the 20-30% of total oven dry stock weight, the oven dry stock weight of the used natural color pulp of bottom is the same with starch adhesive, the oven dry stock weight of used natural color pulp of sandwich layer and coal ash fiber slurry mixed pulp accounts for the 40-60% of total oven dry stock weight, and wherein said natural color pulp is 25-40: 60-75 with the oven dry weight ratio of described coal ash fiber slurry.
Another object of the present invention has been to provide a kind of pulping method of hot pressing tympan paper, it is characterized in that, step is:
The first step, with beating degree is the true qualities pulpboard employing long fiber free beating of 15 ° of SR, the making beating weight concentration is 3%, beating degree is 20～30 ° of SR, and the average length of making beating back fiber is that 3-4mm, diameter are 35-50 μ m, adds cationic-type polyacrylamide solution again as reinforcing agent in slurry, cationic-type polyacrylamide content is 0.005% in the slurry, normal temperature stirs 20min down to being uniformly dispersed, and after screening and purifier are removed thick fiber, promptly prepares natural color pulp;
Second step, the coal ash fiber cotton is discongested into weight concentration in water be 3% coal ash fiber slurry, discongesting the back average length is that 1.5mm, diameter are the monfil of 3-5 μ m, again in slurry interpolation cationic-type polyacrylamide solution as reinforcing agent and polyethylene oxide solutions as dispersant, cationic-type polyacrylamide content is 0.003% in the slurry, polyethylene glycol oxide content is 0.002%, normal temperature stirs 10min down to being uniformly dispersed, remove the ball particle of a small amount of slag that carries in the raw material through screening and purifier again, promptly prepare the coal ash fiber slurry;
The 3rd step, adopt multilayer technology heat production in the next life pressure pad paperboard of manufacturing paper with pulp, production equipment adopts multi cylinder board machine, and two pulp feeding systems are arranged in the production process, and slurry is starch adhesive, prime cement and core slurry, their be used for respectively manufacturing paper with pulp surface layer, bottom and sandwich layers of hot pressing tympan paper.Starch adhesive and prime cement are the natural color pulps after the plain boiled water dilution, a shared pulp feeding system, when online is manufactured paper with pulp, slurry concentration need be adjusted into 0.3%, the core slurry is another pulp feeding system, and it is that natural color pulp and coal ash fiber slurry mix in the constant weight ratio, again the mixed pulp after the plain boiled water dilution, when online was manufactured paper with pulp, slurry concentration need be adjusted into 0.1%.
The 4th step, starch adhesive, core slurry and prime cement form thin individual layer wet web respectively on a plurality of rotary screen cages of multi cylinder board machine, transfer on the woollen blanket through the couch roll squeezing, are bonded together successively, constitute one whole wet web, be delivered to press section by woollen blanket again, the mass dryness fraction of squeezing back paper reaches 50-55%, then by the drying section drying, baking temperature is 105 ℃, treat that moisture reaches 8%-12% and more even, carry out press polish again, batch, promptly produce hot pressing tympan paper.
The solid content of the cationic-type polyacrylamide solution that is added during the first step and second goes on foot is 0.5%, the relative molecular mass of cationic-type polyacrylamide is about 4,500,000, the solid content of the polyethylene oxide solutions of being added in second step is 0.1%, and the relative molecular mass of polyethylene glycol oxide is about 6,000,000.
Natural color pulp employing long fiber free beating is in order to keep the length of fiber as far as possible among the present invention, do not require too much fibrillating, so the surface layer of hot pressing tympan paper and bottom absorbability are good, gas permeability is big, and tensile strength and bursting strength are preferably arranged, and the DIMENSIONAL STABILITY of cardboard and surface smoothness are also better.Adding cationic-type polyacrylamide reinforcing agent hydroxyl easy owing to the hydrogen in the amide groups on the one hand and in the fiber in the natural color pulp combines, strengthened the hydrogen bonded effect, the intensity of cardboard is increased, be to fall phenomenons such as hair on the other hand in order to overcome the cardboard dry linting, make paperboard surface smooth more bright and clean, this is extremely important to the performance that promotes hot pressing tympan paper, because its surface is if speckle with dust, can directly damage the electric property of copper-clad laminate.
Characteristics of the present invention are the manufacture paper with pulp sandwich layer of hot pressing tympan paper of mixed pulp that core slurry adopts natural color pulp and coal ash fiber to starch.Coal ash fiber belongs to inorfil, high temperature resistant, insulation, and cost is also far below natural color pulp.Natural color pulp fiber and coal ash fiber belong to different types of fiber in the hot pressing tympan paper sandwich layer, there is not chemical bonding between the two, just simple physics interweaves, so the adhesion between coal ash fiber and the natural color pulp fiber is very little, the sandwich layer tightness is also little, so the advantage of sandwich layer is: one, its quality is soft has certain buffer capacity; Two, its gas permeability is bigger, so heat transfer efficiency is good, and conducts heat evenly; Three, mix resistant to elevated temperatures coal ash fiber, make more heatproof of hot pressing tympan paper.
Innovative point of the present invention is to adopt the multilayer that contains coal ash fiber sandwich layer technology heat production in the next life pressure pad paperboard of manufacturing paper with pulp, and is different from multilayer that existing hot pressing tympan paper adopted with the slurry technology of kind manufacturing paper with pulp.Quantitatively and under the tightness, the bursting strength of hot pressing tympan paper, surface smoothness, buffer capacity, temperature tolerance and heat transfer property are better than having now hot pressing tympan paper among the present invention identical.Consider from the production cost aspect, be mixed with a certain amount of cheap coal ash fiber among the present invention in the hot pressing tympan paper, can reduce the cost of cardboard.Hot pressing tympan paper utilization rate height of the present invention can be reused repeatedly, and every performance there is no obvious decline.
The specific embodiment
Specify the present invention below in conjunction with embodiment.Natural color pulp is U.S.'s " magnificent loose board " true qualities softwood pulp among the embodiment 1-3; Used cationic-type polyacrylamide is the permanent suitable Chemical Manufacture in Shanghai, and relative molecular mass is about 4,500,000; Used polyethylene glycol oxide is the lucky minister Chemical Manufacture in Shanghai, and relative molecular mass is about 6,000,000.
Embodiment 1
Manufacture paper with pulp and quantitatively be 160g/m
2Hot pressing tympan paper, the oven dry stock weight of its surface layer and the used natural color pulp of bottom all accounts for 20% of total oven dry stock weight, the oven dry stock weight of used natural color pulp and coal ash fiber slurry mixed pulp accounts for 60% of total oven dry stock weight in the sandwich layer, and wherein natural color pulp is 25: 75 with the oven dry weight ratio of coal ash fiber slurry.
The technology of manufacturing paper with pulp of above-mentioned hot pressing tympan paper, concrete steps are:
The first step, with beating degree is the true qualities pulpboard employing long fiber free beating of 15 ° of SR, the making beating weight concentration is 3%, beating degree is 20 ° of SR, and the average length of making beating back fiber is that 4mm, diameter are 35-50 μ m, adds reinforcing agent cationic-type polyacrylamide solution again in slurry, cationic-type polyacrylamide content is 0.005% in the slurry, normal temperature stirs 20min down to being uniformly dispersed, and after screening and purifier are removed thick fiber, promptly prepares natural color pulp.
Second step, the coal ash fiber cotton is discongested into weight concentration in water be 3% coal ash fiber slurry, discongesting the back average length is that 1.5mm, diameter are the monfil of 3-5 μ m, in slurry, add reinforcing agent cationic-type polyacrylamide solution and dispersant polyethylene oxide solutions again, cationic-type polyacrylamide content is 0.003% in the slurry, polyethylene glycol oxide content is 0.002%, normal temperature stirs 10min down to being uniformly dispersed, remove the small quantities of particles thing that carries in the raw material through screening and purifier again, promptly prepare the coal ash fiber slurry.
The 3rd step, adopt multilayer technology heat production in the next life pressure pad paperboard of manufacturing paper with pulp, production equipment adopts multi cylinder board machine, and two pulp feeding systems are arranged in the production process, and slurry is starch adhesive, prime cement and core slurry, their be used for respectively manufacturing paper with pulp surface layer, bottom and sandwich layers of hot pressing tympan paper.Starch adhesive and prime cement are the natural color pulps after the plain boiled water dilution, a shared pulp feeding system, when online is manufactured paper with pulp, slurry concentration need be adjusted into 0.3%, the core slurry is another pulp feeding system, and it is that natural color pulp and coal ash fiber slurry mix in the constant weight ratio, again the mixed pulp after the plain boiled water dilution, when online was manufactured paper with pulp, slurry concentration need be adjusted into 0.1%.
In the 4th step, starch adhesive, core slurry and prime cement form thin individual layer wet web respectively on a plurality of rotary screen cages of multi cylinder board machine, transfer on the woollen blanket through the couch roll squeezing, are bonded together successively, constitute one whole wet web, are delivered to press section by woollen blanket again.The mass dryness fraction of squeezing back paper reaches 50-55%, and by the drying section drying, baking temperature is 105 ℃, treats that moisture reaches 8%, and more even, carries out press polish again, batches, and promptly produces hot pressing tympan paper then.
Embodiment 2
Manufacture paper with pulp and quantitatively be 160g/m
2Hot pressing tympan paper, the oven dry stock weight of its surface layer and the used natural color pulp of bottom all accounts for 25% of total oven dry stock weight; The oven dry stock weight of used natural color pulp and coal ash fiber slurry mixed pulp accounts for 50% of total oven dry stock weight in the sandwich layer, and wherein natural color pulp is 32: 68 with the oven dry weight ratio of coal ash fiber slurry.
The technology of manufacturing paper with pulp of above-mentioned hot pressing tympan paper, concrete steps are:
The first step, with beating degree is the true qualities pulpboard employing long fiber free beating of 15 ° of SR, the making beating weight concentration is 3%, beating degree is 25 ° of SR, and the average length of making beating back fiber is that 3.5mm, diameter are 35-50 μ m, adds reinforcing agent cationic-type polyacrylamide solution again in slurry, cationic-type polyacrylamide content is 0.005% in the slurry, normal temperature stirs 20min down to being uniformly dispersed, and after screening and purifier are removed thick fiber, promptly prepares natural color pulp.
Second step, the coal ash fiber cotton is discongested into weight concentration in water be 3% coal ash fiber slurry, discongesting the back average length is that 1.5mm, diameter are the monfil of 3-5 μ m, in slurry, add reinforcing agent cationic-type polyacrylamide solution and dispersant polyethylene oxide solutions again, cationic-type polyacrylamide content is 0.003% in the slurry, polyethylene glycol oxide content is 0.002%, normal temperature stirs 10min down to being uniformly dispersed, remove the small quantities of particles thing that carries in the raw material through screening and purifier again, promptly prepare the coal ash fiber slurry.
The 3rd step, adopt multilayer technology heat production in the next life pressure pad paperboard of manufacturing paper with pulp, production equipment adopts multi cylinder board machine, and two pulp feeding systems are arranged in the production process, and slurry is starch adhesive, prime cement and core slurry, their be used for respectively manufacturing paper with pulp surface layer, bottom and sandwich layers of hot pressing tympan paper.Starch adhesive and prime cement are the natural color pulps after the plain boiled water dilution, a shared pulp feeding system, when online is manufactured paper with pulp, slurry concentration need be adjusted into 0.3%, the core slurry is another pulp feeding system, and it is that natural color pulp and coal ash fiber slurry mix in the constant weight ratio, again the mixed pulp after the plain boiled water dilution, when online was manufactured paper with pulp, slurry concentration need be adjusted into 0.1%.
In the 4th step, starch adhesive, core slurry and prime cement form thin individual layer wet web respectively on a plurality of rotary screen cages of multi cylinder board machine, transfer on the woollen blanket through the couch roll squeezing, are bonded together successively, constitute one whole wet web, are delivered to press section by woollen blanket again.The mass dryness fraction of squeezing back paper reaches 50-55%, and by the drying section drying, baking temperature is 105 ℃, treats that moisture reaches about 10%, and more even, carries out press polish again, batches, and promptly produces hot pressing tympan paper then.
Embodiment 3
Manufacture paper with pulp and quantitatively be 160g/m
2Hot pressing tympan paper, the oven dry stock weight of its surface layer and the used natural color pulp of bottom all accounts for 30% of total oven dry stock weight; The oven dry stock weight of used natural color pulp and coal ash fiber slurry mixed pulp accounts for 40% of total oven dry stock weight in the sandwich layer, and wherein natural color pulp is 40: 60 with the oven dry weight ratio of coal ash fiber slurry.
The technology of manufacturing paper with pulp of above-mentioned hot pressing tympan paper, concrete steps are:
The first step, with beating degree is the true qualities pulpboard employing long fiber free beating of 15 ° of SR, the making beating weight concentration is 3%, beating degree is 30 ° of SR, and the average length of making beating back fiber is that 3mm, diameter are 35-50 μ m, adds reinforcing agent cationic-type polyacrylamide solution again in slurry, cationic-type polyacrylamide content is 0.005% in the slurry, normal temperature stirs 20min down to being uniformly dispersed, and after screening and purifier are removed thick fiber, promptly prepares natural color pulp.
Second step, the coal ash fiber cotton is discongested into weight concentration in water be 3% coal ash fiber slurry, discongesting the back average length is that 1.5mm, diameter are the monfil of 3-5 μ m, in slurry, add reinforcing agent cationic-type polyacrylamide solution and dispersant polyethylene oxide solutions again, cationic-type polyacrylamide content is 0.003% in the slurry, polyethylene glycol oxide content is 0.002%, normal temperature stirs 10min down to being uniformly dispersed, remove the small quantities of particles thing that carries in the raw material through screening and purifier again, promptly prepare the coal ash fiber slurry.
The 3rd step, adopt multilayer technology heat production in the next life pressure pad paperboard of manufacturing paper with pulp, production equipment adopts multi cylinder board machine, and two pulp feeding systems are arranged in the production process, and slurry is starch adhesive, prime cement and core slurry, their be used for respectively manufacturing paper with pulp surface layer, bottom and sandwich layers of hot pressing tympan paper.Starch adhesive and prime cement are the natural color pulps after the plain boiled water dilution, a shared pulp feeding system, when online is manufactured paper with pulp, slurry concentration need be adjusted into 0.3%, the core slurry is another pulp feeding system, and it is that natural color pulp and coal ash fiber slurry mix in the constant weight ratio, again the mixed pulp after the plain boiled water dilution, when online was manufactured paper with pulp, slurry concentration need be adjusted into 0.1%.
In the 4th step, starch adhesive, core slurry and prime cement form thin individual layer wet web respectively on a plurality of rotary screen cages of multi cylinder board machine, transfer on the woollen blanket through the couch roll squeezing, are bonded together successively, constitute one whole wet web, are delivered to press section by woollen blanket again.The mass dryness fraction of squeezing back paper reaches 50-55%, and by the drying section drying, baking temperature is 105 ℃, treats that moisture reaches about 10%, and more even, carries out press polish again, batches, and promptly produces hot pressing tympan paper then.
The performance comparison of hot pressing tympan paper of the present invention and commercially available hot pressing tympan paper sees the following form:
Claims (5)
1. a hot pressing tympan paper is made up of surface layer, sandwich layer and bottom, it is characterized in that, surface layer and bottom are all manufactured paper with pulp by natural color pulp, and sandwich layer is starched in manufacturing paper with pulp behind the constant weight ratio mixing by natural color pulp and coal ash fiber.
2. a kind of hot pressing tympan paper as claimed in claim 1 is characterized in that, described natural color pulp is the true qualities softwood pulp.
3. a kind of hot pressing tympan paper as claimed in claim 1, it is characterized in that, the oven dry stock weight of the used natural color pulp of surface layer accounts for the 20-30% of total oven dry stock weight, the oven dry stock weight of the used natural color pulp of bottom is the same with starch adhesive, the oven dry stock weight of used natural color pulp of sandwich layer and coal ash fiber slurry mixed pulp accounts for the 40-60% of total oven dry stock weight, and wherein said natural color pulp is 25-40: 60-75 with the oven dry weight ratio of described coal ash fiber slurry.
4. the pulping method of a hot pressing tympan paper is characterized in that, step is:
The first step, with beating degree is the true qualities pulpboard employing long fiber free beating of 15 ° of SR, the making beating weight concentration is 3%, beating degree is 20～30 ° of SR, and the average length of making beating back fiber is that 3-4mm, diameter are 35-50 μ m, adds cationic-type polyacrylamide solution again as reinforcing agent in slurry, cationic-type polyacrylamide content is 0.005% in the slurry, normal temperature stirs 20min down to being uniformly dispersed, and after screening and purifier are removed thick fiber, promptly prepares natural color pulp;
Second step, the coal ash fiber cotton is discongested into weight concentration in water be 3% coal ash fiber slurry, discongesting the back average length is that 1.5mm, diameter are the monfil of 3-5 μ m, again in slurry interpolation cationic-type polyacrylamide solution as reinforcing agent and polyethylene oxide solutions as dispersant, cationic-type polyacrylamide content is 0.003% in the slurry, polyethylene glycol oxide content is 0.002%, normal temperature stirs 10min down to being uniformly dispersed, remove the small quantities of particles thing that carries in the raw material through screening and purifier again, promptly prepare the coal ash fiber slurry;
The 3rd step, adopt multilayer technology heat production in the next life pressure pad paperboard of manufacturing paper with pulp, production equipment adopts multi cylinder board machine, and two pulp feeding systems are arranged in the production process, and slurry is starch adhesive, prime cement and core slurry, their be used for respectively manufacturing paper with pulp surface layer, bottom and sandwich layers of hot pressing tympan paper.Starch adhesive and prime cement are the natural color pulps after the plain boiled water dilution, a shared pulp feeding system, when online is manufactured paper with pulp, slurry concentration need be adjusted into 0.3%, the core slurry is another pulp feeding system, and it is that natural color pulp and coal ash fiber slurry mix in the constant weight ratio, again the mixed pulp after the plain boiled water dilution, when online was manufactured paper with pulp, slurry concentration need be adjusted into 0.1%.
The 4th step, starch adhesive, core slurry and prime cement form thin individual layer wet web respectively on a plurality of rotary screen cages of multi cylinder board machine, transfer on the woollen blanket through the couch roll squeezing, are bonded together successively, constitute one whole wet web, be delivered to press section by woollen blanket again, the mass dryness fraction of squeezing back paper reaches 50-55%, then by the drying section drying, baking temperature is 105 ℃, treat that moisture reaches 8%-12% and more even, carry out press polish again, batch, promptly produce hot pressing tympan paper.
5. the pulping method of a kind of hot pressing tympan paper as claimed in claim 4, it is characterized in that, the solid content of the reinforcing agent cationic-type polyacrylamide solution that is added during the first step and second goes on foot is 0.5%, the relative molecular mass of cationic-type polyacrylamide is about 4,500,000, the solid content of the dispersant polyethylene oxide solutions of being added in second step is 0.1%, and the relative molecular mass of polyethylene glycol oxide is about 6,000,000.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910199950 CN101736629B (en) | 2009-12-04 | 2009-12-04 | Hot-pressing tympan paper and manufacturing method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 200910199950 CN101736629B (en) | 2009-12-04 | 2009-12-04 | Hot-pressing tympan paper and manufacturing method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101736629A true CN101736629A (en) | 2010-06-16 |
| CN101736629B CN101736629B (en) | 2011-11-16 |
Family
ID=42460617
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 200910199950 Active CN101736629B (en) | 2009-12-04 | 2009-12-04 | Hot-pressing tympan paper and manufacturing method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101736629B (en) |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102963865A (en) * | 2012-09-15 | 2013-03-13 | 华东光电集成器件研究所 | Treatment method of Si-Si bonded surface stains |
| CN103225239A (en) * | 2013-01-22 | 2013-07-31 | 江西弘泰纸业有限公司 | Manufacturing method of high-interlayer bonding strength high-deflection thin paperboard |
| CN105908578A (en) * | 2016-05-03 | 2016-08-31 | 东莞当纳利印刷有限公司 | Production method of paper pulp molded product |
| CN106192545A (en) * | 2016-08-05 | 2016-12-07 | 浙江大盛新材料股份有限公司 | A kind of method using high filler paper mill sludge to produce footwear day care base stock plate |
| CN106638084A (en) * | 2016-10-20 | 2017-05-10 | 建滔（佛冈）绝缘材料有限公司 | Production technology of high-temperature-resistant pressure-resistant tympan paper used for electronic circuit board manufacturing |
| CN110468613A (en) * | 2019-08-08 | 2019-11-19 | 岳阳林纸股份有限公司 | A kind of manufacturing method of high temperature hot pressing type bedding paper |
-
2009
- 2009-12-04 CN CN 200910199950 patent/CN101736629B/en active Active
Cited By (12)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| 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 |
| CN102877357B (en) * | 2012-09-11 | 2015-06-17 | 江西弘泰电子信息材料有限公司 | Preparation method of thick paperboard with high bonding strength between paperboards |
| CN102963865A (en) * | 2012-09-15 | 2013-03-13 | 华东光电集成器件研究所 | Treatment method of Si-Si bonded surface stains |
| CN102963865B (en) * | 2012-09-15 | 2015-07-29 | 华东光电集成器件研究所 | A kind of processing method of Si-Si bonding surface contamination |
| CN103225239A (en) * | 2013-01-22 | 2013-07-31 | 江西弘泰纸业有限公司 | Manufacturing method of high-interlayer bonding strength high-deflection thin paperboard |
| CN103225239B (en) * | 2013-01-22 | 2015-11-25 | 江西弘泰电子信息材料有限公司 | A kind of manufacture method of high interfacial bonding strength high-stiffness presspaper |
| CN105908578A (en) * | 2016-05-03 | 2016-08-31 | 东莞当纳利印刷有限公司 | Production method of paper pulp molded product |
| CN106192545A (en) * | 2016-08-05 | 2016-12-07 | 浙江大盛新材料股份有限公司 | A kind of method using high filler paper mill sludge to produce footwear day care base stock plate |
| CN106192545B (en) * | 2016-08-05 | 2018-12-28 | 浙江大盛新材料股份有限公司 | A method of shoes day care base stock plate is produced using high filler paper mill sludge |
| CN106638084A (en) * | 2016-10-20 | 2017-05-10 | 建滔（佛冈）绝缘材料有限公司 | Production technology of high-temperature-resistant pressure-resistant tympan paper used for electronic circuit board manufacturing |
| CN106638084B (en) * | 2016-10-20 | 2017-11-28 | 建滔（佛冈）绝缘材料有限公司 | A kind of production technology of the pressure-resistant tympan paper of high temperature resistant for electronic circuit board manufacture |
| CN110468613A (en) * | 2019-08-08 | 2019-11-19 | 岳阳林纸股份有限公司 | A kind of manufacturing method of high temperature hot pressing type bedding paper |
Also Published As
| Publication number | Publication date |
|---|---|
| CN101736629B (en) | 2011-11-16 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN101736629B (en) | Hot-pressing tympan paper and manufacturing method thereof | |
| US7201825B2 (en) | Process for making a flowable and meterable densified fiber particle | |
| CN110205862B (en) | Preparation method of aramid nanofiber self-reinforced aramid mica paper | |
| US7306846B2 (en) | Flowable and meterable densified fiber particle | |
| CN101638860B (en) | Woolen blanket for papermaking and manufacturing method thereof | |
| CN106638084B (en) | A kind of production technology of the pressure-resistant tympan paper of high temperature resistant for electronic circuit board manufacture | |
| JP7021893B2 (en) | Cellulose nanofiber molded body | |
| US20200340155A1 (en) | Nonwoven sheets comprising surface enhanced pulp fibers, surgical gowns and surgical drapes incorporating such nonwoven sheets, and methods of making the same | |
| CN101619553B (en) | Production process of composite functional paper | |
| CN101725074B (en) | Method for increasing retention of paper filler | |
| Kullander et al. | Evaluation of furnishes for tissue manufacturing; suction box dewatering and paper testing | |
| CN105064113B (en) | A kind of production technology of high performance print paper | |
| CN104831584A (en) | Polyester fiber conductive paper and preparation method thereof | |
| JP6649701B2 (en) | Aramid paper and method for producing the same | |
| Pettersson et al. | Strong paper from spruce CTMP-Part I | |
| CN110700009B (en) | Production process and application of hot-pressed paperboard for pressing copper-clad plate as cushion layer | |
| JP6756571B2 (en) | Manufacturing method of cellulose nanofiber molded product | |
| CN210561452U (en) | Blanket applied to high-speed vacuum cylinder paper machine | |
| CN103536235A (en) | Household paper and preparation thereof | |
| CN100420791C (en) | Method and equipment for making high-grade life paper by using bagasse as material | |
| JP2020040268A (en) | Carbon fiber non-woven fabric composite | |
| CN103132365A (en) | Vulcanized paper raw paper and manufacturing process thereof | |
| KR101547776B1 (en) | Aramid wet-laid non woven fabrics for honeycomb and process of producing thereof | |
| CN113863045A (en) | Manufacturing method of 5G circuit board diaphragm cushion paper and 5G circuit board diaphragm cushion paper | |
| JP7104937B2 (en) | METHOD FOR MANUFACTURING CELLULOSE NANOFIBER MOLDED BODY |
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 |