CN108824093A - A kind of production method reducing hanging raw stock expansion and contraction - Google Patents
A kind of production method reducing hanging raw stock expansion and contraction Download PDFInfo
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- CN108824093A CN108824093A CN201810906109.XA CN201810906109A CN108824093A CN 108824093 A CN108824093 A CN 108824093A CN 201810906109 A CN201810906109 A CN 201810906109A CN 108824093 A CN108824093 A CN 108824093A
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- pulp
- slurry
- paper
- wood
- bleaching
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Classifications
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H27/00—Special paper not otherwise provided for, e.g. made by multi-step processes
- D21H27/18—Paper- or board-based structures for surface covering
- D21H27/20—Flexible structures being applied by the user, e.g. wallpaper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21B—FIBROUS RAW MATERIALS OR THEIR MECHANICAL TREATMENT
- D21B1/00—Fibrous raw materials or their mechanical treatment
- D21B1/04—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres
- D21B1/12—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by wet methods, by the use of steam
- D21B1/30—Defibrating by other means
- D21B1/34—Kneading or mixing; Pulpers
- D21B1/345—Pulpers
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21D—TREATMENT OF THE MATERIALS BEFORE PASSING TO THE PAPER-MAKING MACHINE
- D21D1/00—Methods of beating or refining; Beaters of the Hollander type
- D21D1/20—Methods of refining
- D21D1/30—Disc mills
- D21D1/303—Double disc mills
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F11/00—Processes for making continuous lengths of paper, or of cardboard, or of wet web for fibre board production, on paper-making machines
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- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of production methods for reducing hanging raw stock expansion and contraction, including raw material selection, slurry preparation, slurry configuration and body paper to manufacture paper with pulp four steps：(1) raw material selects：Use bleached wood pulp plate and groundwood pulp plate for main production raw material；(2) prepared by slurry：Bleached wood pulp plate and groundwood pulp plate are passed through into hydrabrusher size degradation, double disc refiner or conical refiner defibrination respectively, bleached wood pulp slurry and groundwood pulp slurry is made；(3) slurry preparation：Bleached wood pulp slurry obtained in step (2) and groundwood pulp slurry are mixed in a certain ratio uniformly, while adding a small amount of filler and adhesive, slurry needed for hanging raw stock is made；(4) body paper is manufactured paper with pulp：It after pulp dilution made from step (3), manufactures paper with pulp the processes finished products such as molding, press section dehydration, drying section evaporation, calender surface finish, reel machine, rewinding machine through fourdrinier machine wet end, weighing and bagging storage is for sale.
Description
Technical field
The present invention relates to paper base wallpaper more particularly to a kind of production methods for reducing hanging raw stock expansion and contraction.
Background technique
Wallpaper is as a kind of widely used indoor wall ornament materials, with rich in color, skin texture texture is strong, pattern is rich
Rich, environmentally protective, decorative effect elegant and it is superior, increasingly have been favored by people.European and American developed countries are high-grade at present
The decoration in room, prevalence use wall cloth, wallpaper, to avoid slight crack, indentation, smell caused by paint, the coating decoration new home is used
Etc. worries
As people's living standard is continuously improved, health environment-friendly consciousness is more and more stronger, and consumer is for house ornamentation wallpaper material
Selection require also higher and higher, the purposes of wallpaper can be more and more extensive, and dosage also can also be come bigger, and wallpaper has wide city
Field prospect.
Wallpaper is divided into paper base wallpaper, PVC wallpaper, fabric surface wallpaper, natural material surface wallpaper, sand by surface material and faces the wall and meditates
Paper, metal surface wallpaper, diatomite wallpaper etc..Occupy larger proportion in the market share by the wallpaper of substrate of paper, wallpaper
Intensity relies primarily on the intensity of base paper, the intensity of body paper is good, expansion and contraction it is low be wallpaper important indicator, expansion and contraction refers to paper
Retractility, hanging raw stock require paper expansion and contraction it is the smaller the better, shape stability is good, is unlikely to deform.Plain paper basal wall
Paper body paper is substantially using chemical wood pulp and produces, and does not add mechanical pulp, and raw material composition is simple；Due to chemical wood pulp fiber bullet
Property it is good, absorbability is good, causes that hanging raw stock dimensional stability is poor, crease easily deformation, and papermaking process is unreasonable in addition, causes paper longitudinal
The disadvantages of big with transverse strength difference, it is not able to satisfy the needs of high-grade client.
Summary of the invention
Goal of the invention：The object of the present invention is to provide a kind of production methods for reducing hanging raw stock expansion and contraction, existing to solve
The hanging raw stock dimensionally stable product for having technology to manufacture paper with pulp out is poor, intensity is low, in place of the deficiencies of the deforming that crease easily, makes wall obtained
Paper body paper stability is good, indeformable.
Technical solution：A kind of production method reducing hanging raw stock expansion and contraction, including raw material selection, slurry preparation, slurry
It prepares and body paper is manufactured paper with pulp four steps：
(1) raw material selects：Selecting bleached wood pulp plate, the bleaching of mechanical wood-pulp board is raw material；
(2) prepared by slurry：By bleached wood pulp plate in step (1), it is made and meets by hydrabrusher size degradation, defibrination
Chemical wood pulp material required for hanging raw stock is manufactured paper with pulp is spare；It is broken by hydrabrusher by the bleaching of mechanical wood-pulp board in step (1)
Solution, defibrination are made that meet groundwood pulp material required for hanging raw stock is manufactured paper with pulp spare；
(3) slurry preparation：By a certain percentage by bleached wood pulp material obtained in step (2) and the bleaching of mechanical wood pulp material
Proportion, while matching filled and adhesive, various raw material proportionings automatically control mode with slurry using pipeline；
(4) body paper is manufactured paper with pulp：After prepared pulp dilution in step (3), through fourdrinier machine wet end manufacture paper with pulp molding, pressure
Hanging raw stock is made after the dehydration of squeezing portion, drying section evaporation, calender surface finish, reel machine, rewinding machine.
Bleached wood pulp plate in step (1) includes 50% bleached chemical needlebush pulpboard and 50% bleached chemical broad-leaved
Wood-pulp board, the bleaching of mechanical wood-pulp board include 70% the bleaching of mechanical needlebush pulpboard and 30% the bleaching of mechanical leaf wood pulpboard.
Bleached wood pulp plate in step (2) is handled by hydrabrusher size degradation, double disc refiner defibrination etc..Size degradation
Concentration 3%~5%, beating time 15min~20min, 40 DEG C~50 DEG C of size degradation temperature, 30 ° of SR~35 ° of beating degree after defibrination
SR；The bleaching of mechanical wood-pulp board is handled by hydrabrusher size degradation, tapered paste mill grinding etc..Size degradation concentration 3%~5%, it is broken
Solve time 10min~15min, 40 DEG C~50 DEG C of size degradation temperature；25 ° of SR~30 ° SR of beating degree after defibrination.
Step (3) bleached wood pulp material, the bleaching of mechanical wood pulp material press 30：70 ratios are prepared, using pipeline automatic slurry-distributing
Mode is spare after mixing.
It send machine chest to store after prepared slurry agitation is uniform in step (4), comes through fan pump and enriched water slot dense
After plain boiled water is diluted to 0.5%~0.6% concentration, through fourdrinier part manufacture paper with pulp molding, press section dehydration, drying section evaporation, calecder section table
Hanging raw stock is made after the processes such as reel machine, rewinding machine, weighing and bagging for face ornamenting.
Working principle：The present invention uses bleached wood pulp plate and the bleaching of mechanical wood-pulp board for raw material.Chemical wood pulp plate is logical
It crosses the processes such as hydrabrusher size degradation, double disc refiner defibrination and chemical wood pulp material is made；Groundwood pulp plate passes through broken by waterpower
Groundwood pulp material is made in the processes such as pulp grinder size degradation, tapered paste mill grinding；Dilution, fourdrinier wire are made before with slurry by ratio again, online
The online of paper machine is manufactured paper with pulp molding, press dewatering, drying section evaporation, calender surface finish, reel machine, rewinding machine, weighing and bagging etc.
The hanging raw stock to conform to quality requirements is made after process.
Beneficial effect：Compared with common pure paper wallpaper base paper production method, advantages of the present invention is：(1) bleachingization is used
It learns wood-pulp board and the bleaching of mechanical wood-pulp board is raw material；(2) slurry grinding method is reasonable；(3) wet end furnish is suitable, and (4) manufacture paper with pulp work
Skill is reasonable, and jet-wire ratio control is reasonable；The hanging raw stock dimensional stability finally manufactured paper with pulp is good, intensity is high, expansion and contraction is low.
Detailed description of the invention
Fig. 1 is hanging raw stock process flow chart.
Specific embodiment
As shown in Figure 1, hanging raw stock production method includes that raw material selection, slurry preparation, slurry preparation, body paper are manufactured paper with pulp four
Step.
Firstly, raw material selects：Select bleached wood pulp plate (needlebush pulpboard and leaf wood pulpboard) and the bleaching of mechanical wood
Pulpboard (needle groundwood pulp plate and broad-leaved groundwood pulp plate) is raw material；In bleached wood pulp plate, chemical needlebush pulpboard is accounted for
50%, chemical leaf wood pulpboard accounts for 50%；In the bleaching of mechanical wood-pulp board, mechanical needle wood-pulp board accounts for 70%, mechanical hardwood pulp
Plate accounts for 30%.
Secondly, prepared by slurry：Bleached wood pulp plate, by No. 1 hydrabrusher size degradation, size degradation concentration 3%~5%,
Beating time 15min~20min, 40 DEG C~50 DEG C of size degradation temperature；Slurry after size degradation enters No. 1 and unloads kiln basin, enters back into No. 1
Before kowtowing stock tank after mixing, through double disc refiner defibrination process, beating degree reach enter after 30 ° of SR~35 ° SR No. 1 kowtow after starch
Spare storage pool；The bleaching of mechanical wood-pulp board passes through No. 2 hydrabrusher size degradations, size degradation concentration 3%~5%, beating time
10min~15min, 40 DEG C~50 DEG C of size degradation temperature；Slurry after size degradation enters No. 2 and unloads kiln basin, enters back into No. 2 and kowtows preceding stock tank
After mixing, it is handled through tapered paste mill grinding, beating degree, which reaches, to be entered No. 2 after 25 ° of SR~30 ° SR to kowtow rear stock tank storage standby
With.
The grinding method that the above bleached chemical softwood pulp and the bleaching of mechanical wood pulp use is different, and bleached wood pulp uses
Double disc refiner defibrination process, based on cut staple, suitable control beating degree reduces the fibrillating of fiber；The bleaching of mechanical
Wood pulp is handled using tapered paste mill grinding, and based on wire-dividing broom purification fiber, suitable control beating degree prevents the excessive profit of fiber
It is swollen, low-fiber expansion and contraction drops.
Third, slurry preparation：Bleached wood pulp material made from slurry preparation section and the bleaching of mechanical wood pulp material press 30: 70
Ratio is sent into mud pit, while a small amount of filler and adhesive is added, and is stored after mixing in mud pit spare；
4th, body paper is manufactured paper with pulp：After slurry is sent into machine chest in mud pit, through fan pump and the enriched water from enriched water slot
Mixing is diluted to 0.5%~0.6% online concentration, and slurry after dilution is sent into fourdrinier machine wet end and manufactures paper with pulp molding, and press section takes off
The hanging raw stock of quality requirement is made after water, drying section evaporation, calender surface finish, reel machine, rewinding machine, weighing and bagging.
In order to further decrease hanging raw stock shrinking percentage, the dimensional stability of hanging raw stock is kept, is manufactured paper with pulp process in approach flow
In, take following measures：
(1) after approach flow, jet-wire ratio is controlled, jet-wire ratio is increased to 1.01~1.05, reduces page and laterally stretches
Shrinkage；
(2) the wet end speed of service and 5~8m/min of reeling end speed difference are reduced, the longitudinal extension rate of page is reduced；
(3) each pressure roller line pressure is increased, the tightness for improving paper reduces the longitudinal contraction rate of paper；
(4) drying section improves dry net dryer felt tension, so that page is close to dryer surface, prevents page local heating uneven
It is high to generate local contraction rate, reduces lateral shrinkage；
(5) drying section adjusts each group dryer temperature curve, prevents the raw contraction distortion of the dried precipitate labor of paper, especially
One section of dryer temperature wants low, and control is advisable between 70 DEG C~90 DEG C；
(6) calender uses hard calender, further increases the tightness of paper, reduces the shrinking percentage of paper.
The hanging raw stock produced by the above inventive method has intensity height, shape steady compared with common pure paper wallpaper body paper
Property the good, advantages such as shrinking percentage is low, meet high-grade hanging raw stock quality index requirement.
As shown in Table 1, the hanging raw stock of the method for the present invention production zeeil tensile strength Z, longitudinal wet tensile (strength), tearing in length and breadth
The technical indicators such as degree, opacity, water imbibition, transversal stretching are detected through provincial pulping and paper-making key lab, obvious good
Pure paper wallpaper body paper technical requirement, test value specified in national standard (GB/T30129-2013) are as shown in Table 1 below.
1 hanging raw stock of table and common pure paper wallpaper body paper technical indicator contrast table
Claims (5)
1. a kind of production method for reducing hanging raw stock expansion and contraction, it is characterised in that：Including raw material selection, slurry preparation, slurry
It prepares and body paper is manufactured paper with pulp four steps：
(1) raw material selects：Use bleached wood pulp plate and the bleaching of mechanical wood-pulp board for raw material；
(2) prepared by slurry：It is standby by size degradation, the obtained bleached wood pulp material of defibrination by bleached wood pulp plate in step (1)
With；It is spare by size degradation, the obtained the bleaching of mechanical wood pulp material of defibrination by the bleaching of mechanical wood-pulp board in step (1)；
(3) slurry preparation：Bleached wood pulp material obtained in step (2) and the bleaching of mechanical wood pulp material are matched by a certain percentage
Than, while adding filler and the obtained slurry of adhesive；
(4) body paper is manufactured paper with pulp：After prepared pulp dilution in step (3), manufacture paper with pulp molding, press section through fourdrinier machine wet end
Hanging raw stock is made after dehydration, drying section evaporation, calender surface finish, reel machine, rewinding machine.
2. the production method according to claim 1 for reducing hanging raw stock expansion and contraction, it is characterised in that：In step (1), institute
Bleached wood pulp plate and the bleaching of mechanical wood-pulp board are stated, wherein：Bleached wood pulp plate is wealthy containing 50% needlebush pulpboard and 50%
Leaf wood-pulp board；The bleaching of mechanical wood-pulp board is containing 70% mechanical needle wood-pulp board and 30% mechanical leaf wood pulpboard.
3. the production method according to claim 2 for reducing hanging raw stock expansion and contraction, it is characterised in that：In step (2), drift
White chemical wood pulp uses double disc refiner defibrination, 30 ° of SR~35 ° SR of beating degree after defibrination；The bleaching of mechanical wood pulp uses tapered mill
Pulp grinder defibrination, 25 ° of SR~30 ° SR of beating degree after defibrination.
4. the production method according to claim 3 for reducing hanging raw stock expansion and contraction, it is characterised in that：In step (3), drift
White chemical wood pulp material, the bleaching of mechanical wood pulp material press 30：70 ratios, it is spare after being mixed using pipeline automatic slurry-distributing mode.
5. the production method according to claim 4 for reducing hanging raw stock expansion and contraction, it is characterised in that：Step (4) body paper
In manufacturing paper with pulp, jet-wire ratio is 1.01~1.05；The wet end speed of service and the poor 5~8m/min of the reeling end speed of service；Drying section one
Section dryer temperature control is at 70 DEG C~90 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810906109.XA CN108824093A (en) | 2018-08-10 | 2018-08-10 | A kind of production method reducing hanging raw stock expansion and contraction |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810906109.XA CN108824093A (en) | 2018-08-10 | 2018-08-10 | A kind of production method reducing hanging raw stock expansion and contraction |
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Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435169A (en) * | 2008-12-22 | 2009-05-20 | 浙江华邦特种纸业有限公司 | High performance wallpaper base paper pulp and process for producing wallpaper base paper using the same |
| CN102086617A (en) * | 2009-12-07 | 2011-06-08 | 天津市新丽华色材有限责任公司 | Manufacturing method for novel wallpaper |
| CN104480777A (en) * | 2014-11-13 | 2015-04-01 | 金华盛纸业（苏州工业园区）有限公司 | Wallpaper base paper and production method thereof |
| CN107313304A (en) * | 2017-08-31 | 2017-11-03 | 山东仁丰特种材料股份有限公司 | High-dimensional stability low cost nonwoven wallpaper |
| CN107956191A (en) * | 2017-11-03 | 2018-04-24 | 常州市雄图纺织有限公司 | A kind of preparation method of hanging raw stock |
-
2018
- 2018-08-10 CN CN201810906109.XA patent/CN108824093A/en active Pending
Patent Citations (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101435169A (en) * | 2008-12-22 | 2009-05-20 | 浙江华邦特种纸业有限公司 | High performance wallpaper base paper pulp and process for producing wallpaper base paper using the same |
| CN102086617A (en) * | 2009-12-07 | 2011-06-08 | 天津市新丽华色材有限责任公司 | Manufacturing method for novel wallpaper |
| CN104480777A (en) * | 2014-11-13 | 2015-04-01 | 金华盛纸业（苏州工业园区）有限公司 | Wallpaper base paper and production method thereof |
| CN107313304A (en) * | 2017-08-31 | 2017-11-03 | 山东仁丰特种材料股份有限公司 | High-dimensional stability low cost nonwoven wallpaper |
| CN107956191A (en) * | 2017-11-03 | 2018-04-24 | 常州市雄图纺织有限公司 | A kind of preparation method of hanging raw stock |
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Application publication date: 20181116 |