CN107460785A - A kind of environmental protection liner paper and its production method - Google Patents
A kind of environmental protection liner paper and its production method Download PDFInfo
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- CN107460785A CN107460785A CN201710565710.2A CN201710565710A CN107460785A CN 107460785 A CN107460785 A CN 107460785A CN 201710565710 A CN201710565710 A CN 201710565710A CN 107460785 A CN107460785 A CN 107460785A
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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
- D21H27/10—Packing paper
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B29/00—Layered products comprising a layer of paper or cardboard
-
- 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
- D21B1/06—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods
- D21B1/08—Fibrous raw materials or their mechanical treatment by dividing raw materials into small particles, e.g. fibres by dry methods the raw material being waste paper; the raw material being rags
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21C—PRODUCTION OF CELLULOSE BY REMOVING NON-CELLULOSE SUBSTANCES FROM CELLULOSE-CONTAINING MATERIALS; REGENERATION OF PULPING LIQUORS; APPARATUS THEREFOR
- D21C5/00—Other processes for obtaining cellulose, e.g. cooking cotton linters ; Processes characterised by the choice of cellulose-containing starting materials
- D21C5/02—Working-up waste paper
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/66—Salts, e.g. alums
-
- 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
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/68—Water-insoluble compounds, e.g. fillers, pigments siliceous, e.g. clays
-
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
-
- 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
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/18—Reinforcing agents
-
- 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
- D21H27/30—Multi-ply
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02W—CLIMATE CHANGE MITIGATION TECHNOLOGIES RELATED TO WASTEWATER TREATMENT OR WASTE MANAGEMENT
- Y02W30/00—Technologies for solid waste management
- Y02W30/50—Reuse, recycling or recovery technologies
- Y02W30/64—Paper recycling
Landscapes
- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Dispersion Chemistry (AREA)
- Paper (AREA)
Abstract
The present invention relates to a kind of environmental protection liner paper, including paper bulk, from top to bottom paper bulk includes surface layer, sandwich layer and bottom successively, and surface layer is made up of AOCC secondary stocks, and sandwich layer is made up of OCC secondary stocks, and bottom is made by OCC secondary stocks and with recovery slurry；Advantages of the present invention：The sheet lining that the present invention produces can not only reach the requirement of national U levels sheet lining certified products, also in burst index, all required in terms of ring crush index and folding strength higher than corresponding, the consumption of steam is between 1.19kg/T paper~1.25kg/T paper, less than plant produced requirement, reduce steam consumption in production process, cost is saved, surface layer is made up of AOCC waste paper pulp fibers, sandwich layer is made up of OCC secondary stock long fibres, bottom is mixed by OCC secondary stocks chopped fiber and recovery slurry, 100% secondary stock recovery slurry is realized to manufacture paper with pulp, so not only production cost is low, it is additionally beneficial to environmental protection, in addition, the present invention also provides a kind of production method of environmental protection liner paper.
Description
Technical field
The present invention relates to a kind of environmental protection liner paper and its production method.
Background technology
Recently as the lasting along exhibition is hailed of Express Logistics industry, packaging industry demand is caused to rise.And sheet lining is
The important composition key element of numerous paper made package boxes, clad plate, surface layer, which uses, in the production of current domestic middle-and-high-ranking facial tissue does not float original
Wood pulp, core, the domestic or imported waste paper of bottom, it is not carried out full waste paper and produces middle-and-high-ranking sheet lining, moreover, existing production process
Middle steam consumption is big, cost is high.
The content of the invention
The technical problem to be solved in the present invention is just to provide a kind of environmental protection liner paper and its production method, solves existing environmental protection
The problem of steam consumption is big in sheet lining production process, cost is high.
In order to solve the above-mentioned technical problem, the present invention is achieved by the following technical solutions：A kind of environmental protection liner paper, bag
Paper bulk is included, from top to bottom paper bulk includes surface layer, sandwich layer and bottom successively, and surface layer is made up of AOCC secondary stocks, sandwich layer
It is made up of OCC secondary stocks, bottom is made by OCC secondary stocks and with recovery slurry；
Surface layer also includes reinforcing agent, sizing agent, aluminum sulfate, drying strengthening agent, retention agent and bentonite, and is added in surface layer per ton
The weight of reinforcing agent is 10~11Kg, and the weight that sizing agent is added in surface layer per ton is 5~8Kg, and sulfuric acid is added in surface layer per ton
The weight of aluminium is 10~14kg, and the weight that drying strengthening agent is added in surface layer per ton is 24~32Kg, and retention agent is added in surface layer per ton
Weight be 0.4~0.6Kg, it is 0.7~1.4Kg that bentonitic weight is added in surface layer per ton；
Sandwich layer also includes reinforcing agent, aluminum sulfate, drying strengthening agent, retention agent and bentonite, and adds reinforcing agent in sandwich layer per ton
Weight be 10~11Kg, the weight that aluminum sulfate is added in sandwich layer per ton be 10~14kg, addition drying strengthening agent in sandwich layer per ton
Weight is 24~32Kg, and the weight that retention agent is added in sandwich layer per ton is 0.2~0.3Kg, is added in sandwich layer per ton bentonitic
Weight is 0.7~1.4Kg；
Bottom also includes reinforcing agent, sizing agent, aluminum sulfate, drying strengthening agent, retention agent and bentonite, and is added in bottom per ton
The weight of reinforcing agent is 10~11Kg, and the weight that sizing agent is added in bottom per ton is 5~8Kg, and sulfuric acid is added in bottom per ton
The weight of aluminium is 10~14kg, and the weight that drying strengthening agent is added in bottom per ton is 24~32Kg, and retention agent is added in bottom per ton
Weight be 0.2~0.3Kg, it is 0.7~1.4Kg that bentonitic weight is added in bottom per ton.
Preferably, AOCC secondary stocks are made up of import U.S. useless slurry entirely.
Preferably, OCC secondary stocks include 20% import U.S. secondary stock, 35% import day secondary stock and 45% domestic OCC give up
Paper pulp.
Preferably, the weight ratio of OCC secondary stocks and recovery slurry is 2 in bottom:1~3:1.
Preferably, the fiber basis weight scope of paper bulk is 120~200g/m2；And the fiber basis weight of surface layer be 20~
25g/m2；The fiber basis weight of sandwich layer is 40~65g/m2；The fiber basis weight of bottom is 70~130g/m2。
Preferably, drying strengthening agent is polyacrylamide；Reinforcing agent is polyethylene ammonium；Sizing agent is dodecyl ketene dimerization
Thing.
A kind of production method of environmental protection liner paper, comprises the following steps：
Step 1：Surface layer slurry is prepared by AOCC secondary stocks, and by reinforcing agent, aluminum sulfate, drying strengthening agent, retention agent and swollen
Profit soil is added at fan pump and pressurized screen, and center stock is prepared by long fibre in OCC secondary stocks, and by reinforcing agent, applying glue
Agent, aluminum sulfate, drying strengthening agent, retention agent and bentonite are added at fan pump and pressurized screen, by the chopped fiber in OCC secondary stocks and
Recovery slurry mixed configuration base pastes, and reinforcing agent, aluminum sulfate, drying strengthening agent, retention agent and bentonite are added on fan pump and pressure
At power sieve；
Step 2：The surface layer slurry, center stock, base pastes of step 1 configuration are being molded through respective head box respectively
Dehydration forms l Water Paper page on wet end, then folded online compound three, is aspirated through high vacuum, 22% mass dryness fraction base board is made；
Step 3：Base board made of step 2 is carried out into machinery by one of plain press and two shoe press to take off
Water, mass dryness fraction go drying section to dry after reaching more than 45%；Wherein：The pressure of plain press is 160~180KN/M, shoe press
Pressure be 940~1000KN/M；
Step 4：The paper web of step 3 drying is formed into parent roll after calender in coil paper portion, then again through rewinding point
It is cut to the product of specification needed for client.
In summary, advantages of the present invention：1. the sheet lining that the present invention produces can not only reach national U levels sheet lining
The requirement of certified products, all required also in terms of burst index, ring crush index and folding strength higher than corresponding, the consumption of steam is
Between 1.19kg/T paper~1.25kg/T paper, less than plant produced requirement, steam consumption in production process is reduced, is saved
Cost；
2. surface layer is made up of AOCC waste paper pulp fibers, sandwich layer is by the way that OCC secondary stock long fibres are made, bottom passes through OCC
Secondary stock chopped fiber and recovery slurry are mixed, and are realized 100% secondary stock recovery slurry and are manufactured paper with pulp, so not only production cost
It is low, it is additionally beneficial to environmental protection；
3. the heating of drying strengthening agent and reinforcing agent, it can guarantee that surface layer, sandwich layer and bottom have enough intensity, and intensity energy root
Set according to different demands, practical performance is good.
Embodiment
Embodiment one：
A kind of environmental protection liner paper, including paper bulk, from top to bottom paper bulk include surface layer, sandwich layer and bottom successively,
Surface layer is made up of AOCC secondary stocks, and sandwich layer is made up of OCC secondary stocks, and bottom is made by OCC secondary stocks and with recovery slurry, and OCC
Secondary stock is handled by fiber classification, and OCC waste paper long fibre is used for sandwich layer, and OCC waste paper chopped fiber is used for bottom, the fiber of surface layer
Quantification of 20g/m2；The fiber basis weight of sandwich layer is 45g/m2；The fiber basis weight of bottom is 75g/m2, and in bottom OCC secondary stocks and
The weight ratio of recovery slurry is 2:1.
The weight that reinforcing agent is added in surface layer per ton is 10.3Kg, and the weight that sizing agent is added in surface layer per ton is 7.5Kg,
The weight that aluminum sulfate is added in surface layer per ton be 12kg, and the weight of addition drying strengthening agent is 29Kg in surface layer per ton, in surface layer per ton
The weight for adding retention agent is 0.4Kg, and it is 1.2Kg that bentonitic weight is added in surface layer per ton；
The weight that reinforcing agent is added in sandwich layer per ton is 10.3Kg, and the weight that aluminum sulfate is added in sandwich layer per ton is 12kg,
The weight that drying strengthening agent is added in sandwich layer per ton be 29Kg, and the weight of addition retention agent is 0.25Kg in sandwich layer per ton, sandwich layer per ton
The middle bentonitic weight of addition is 1.2Kg；
The weight that reinforcing agent is added in bottom per ton is 10.3Kg, and the weight that sizing agent is added in bottom per ton is 7.5Kg,
The weight that aluminum sulfate is added in bottom per ton be 12kg, and the weight of addition drying strengthening agent is 29Kg in bottom per ton, in bottom per ton
The weight for adding retention agent is 0.25Kg, and it is 1.2Kg that bentonitic weight is added in bottom per ton.
AOCC secondary stocks are made up of import U.S. useless slurry entirely, and OCC secondary stocks include 20% import U.S. secondary stock, 35% import day
Secondary stock and 45% domestic OCC secondary stocks, drying strengthening agent is polyacrylamide；Reinforcing agent is polyethylene ammonium；Sizing agent is dodecane
Base ketene dimer.
A kind of production method of environmental protection liner paper, comprises the following steps：
Step 1：Surface layer slurry is prepared by AOCC secondary stocks, and by reinforcing agent, aluminum sulfate, drying strengthening agent, retention agent and swollen
Profit soil is added at fan pump and pressurized screen, and center stock is prepared by long fibre in OCC secondary stocks, and by reinforcing agent, applying glue
Agent, aluminum sulfate, drying strengthening agent, retention agent and bentonite are added at fan pump and pressurized screen, by the chopped fiber in OCC secondary stocks and
Recovery slurry mixed configuration base pastes, and reinforcing agent, aluminum sulfate, drying strengthening agent, retention agent and bentonite are added on fan pump and pressure
At power sieve；
Step 2：The surface layer slurry, center stock, base pastes of step 1 configuration are being molded through respective head box respectively
Dehydration forms l Water Paper page on wet end, then folded online compound three, is aspirated through high vacuum, 22% mass dryness fraction base board is made；
Step 3：Base board made of step 2 is carried out into machinery by one of plain press and two shoe press to take off
Water, mass dryness fraction go drying section to dry after reaching more than 45%；Wherein：The pressure of plain press is 160KN/M, the pressure of shoe press
For 940KN/M；
Step 4：The paper web of step 3 drying is formed into parent roll after calender in coil paper portion, then again through rewinding point
It is cut to the product of specification needed for client.
Embodiment two：
A kind of environmental protection liner paper as described in embodiment one, the present embodiment have following difference：OCC waste paper in bottom
The weight ratio of slurry and recovery slurry is 3:1, the fiber basis weight of surface layer is 21g/m2；The fiber basis weight of sandwich layer is 64g/m2；The fibre of bottom
Tie up quantification of 85g/m2；
The weight that reinforcing agent is added in surface layer per ton is 10.6Kg, and the weight that sizing agent is added in surface layer per ton is 6.4Kg,
The weight that aluminum sulfate is added in surface layer per ton be 12kg, and the weight of addition drying strengthening agent is 26Kg in surface layer per ton, in surface layer per ton
The weight for adding retention agent is 0.45Kg, and it is 0.95Kg that bentonitic weight is added in surface layer per ton；
The weight that reinforcing agent is added in sandwich layer per ton is 10.6Kg, and the weight that aluminum sulfate is added in sandwich layer per ton is 12kg,
The weight that drying strengthening agent is added in sandwich layer per ton be 26Kg, and the weight of addition retention agent is 0.25Kg in sandwich layer per ton, sandwich layer per ton
The middle bentonitic weight of addition is 0.95Kg；
The weight that reinforcing agent is added in bottom per ton is 10.6Kg, and the weight that sizing agent is added in bottom per ton is 6.4Kg,
The weight that aluminum sulfate is added in bottom per ton be 12kg, and the weight of addition drying strengthening agent is 26Kg in bottom per ton, in bottom per ton
The weight for adding retention agent is 0.25Kg, and it is 0.95Kg that bentonitic weight is added in bottom per ton.
A kind of production method of environmental protection liner paper, comprises the following steps：
Step 1：Surface layer slurry is prepared by AOCC secondary stocks, and by reinforcing agent, aluminum sulfate, drying strengthening agent, retention agent and swollen
Profit soil is added at fan pump and pressurized screen, and center stock is prepared by long fibre in OCC secondary stocks, and by reinforcing agent, applying glue
Agent, aluminum sulfate, drying strengthening agent, retention agent and bentonite are added at fan pump and pressurized screen, by the chopped fiber in OCC secondary stocks and
Recovery slurry mixed configuration base pastes, and reinforcing agent, aluminum sulfate, drying strengthening agent, retention agent and bentonite are added on fan pump and pressure
At power sieve；
Step 2：The surface layer slurry, center stock, base pastes of step 1 configuration are being molded through respective head box respectively
Dehydration forms l Water Paper page on wet end, then folded online compound three, is aspirated through high vacuum, 22% mass dryness fraction base board is made；
Step 3：Base board made of step 2 is carried out into machinery by one of plain press and two shoe press to take off
Water, mass dryness fraction go drying section to dry after reaching more than 45%；Wherein：The pressure of plain press is 170KN/M, the pressure of shoe press
For 960KN/M；
Step 4：The paper web of step 3 drying is formed into parent roll after calender in coil paper portion, then again through rewinding point
It is cut to the product of specification needed for client.
Embodiment three：
A kind of environmental protection liner paper as described in embodiment one, two, the present embodiment have following difference：OCC in bottom
The weight ratio of secondary stock and recovery slurry is 5:2, the fiber basis weight of surface layer is 23g/m2；The fiber basis weight of sandwich layer is 65g/m2；Bottom
Fiber basis weight be 107g/m2；
The weight that reinforcing agent is added in surface layer per ton is 10.2Kg, and the weight that sizing agent is added in surface layer per ton is 5.5Kg,
The weight that aluminum sulfate is added in surface layer per ton be 12kg, and the weight of addition drying strengthening agent is 22Kg in surface layer per ton, in surface layer per ton
The weight for adding retention agent is 0.5Kg, and it is 0.75Kg that bentonitic weight is added in surface layer per ton；
The weight that reinforcing agent is added in sandwich layer per ton is 10.2Kg, and the weight that aluminum sulfate is added in sandwich layer per ton is 12kg,
The weight that drying strengthening agent is added in sandwich layer per ton be 22Kg, and the weight of addition retention agent is 0.25Kg in sandwich layer per ton, sandwich layer per ton
The middle bentonitic weight of addition is 0.75Kg；
The weight that reinforcing agent is added in bottom per ton is 10.2Kg, and the weight that sizing agent is added in bottom per ton is 5.5Kg,
The weight that aluminum sulfate is added in bottom per ton be 12kg, and the weight of addition drying strengthening agent is 22Kg in bottom per ton, in bottom per ton
The weight for adding retention agent is 0.25Kg, and it is 0.75Kg that bentonitic weight is added in bottom per ton.
A kind of production method of environmental protection liner paper, comprises the following steps：
Step 1：Surface layer slurry is prepared by AOCC secondary stocks, and by reinforcing agent, aluminum sulfate, drying strengthening agent, retention agent and swollen
Profit soil is added at fan pump and pressurized screen, and center stock is prepared by long fibre in OCC secondary stocks, and by reinforcing agent, applying glue
Agent, aluminum sulfate, drying strengthening agent, retention agent and bentonite are added at fan pump and pressurized screen, by the chopped fiber in OCC secondary stocks and
Recovery slurry mixed configuration base pastes, and reinforcing agent, aluminum sulfate, drying strengthening agent, retention agent and bentonite are added on fan pump and pressure
At power sieve；
Step 2：The surface layer slurry, center stock, base pastes of step 1 configuration are being molded through respective head box respectively
Dehydration forms l Water Paper page on wet end, then folded online compound three, is aspirated through high vacuum, 22% mass dryness fraction base board is made；
Step 3：Base board made of step 2 is carried out into machinery by one of plain press and two shoe press to take off
Water, mass dryness fraction go drying section to dry after reaching more than 45%；Wherein：The pressure of plain press is 180KN/M, the pressure of shoe press
For 1000KN/M；
Step 4：The paper web of step 3 drying is formed into parent roll after calender in coil paper portion, then again through rewinding point
It is cut to the product of specification needed for client.
The environmental protection liner paper produced by above-described embodiment 1~3, its major product performance indications are closed with U levels sheet lining
Lattice product require that index compares, and comparing result is as shown in table 1：
Table 1
In addition to above preferred embodiment, the present invention also has other embodiments, and those skilled in the art can be according to this
Invention is variously modified and deformed, and without departing from the spirit of the present invention, all should belong to appended claims of the present invention and determine
The scope of justice.
Claims (7)
1. a kind of environmental protection liner paper, including paper bulk, from top to bottom paper bulk includes surface layer, sandwich layer and bottom successively, its
It is characterised by：Surface layer is made up of AOCC secondary stocks, and sandwich layer is made up of OCC secondary stocks, and bottom is by OCC secondary stocks and and recovery slurry system
Into；
Surface layer also includes reinforcing agent, sizing agent, aluminum sulfate, drying strengthening agent, retention agent and bentonite, and enhancing is added in surface layer per ton
The weight of agent is 10~11Kg, and the weight that sizing agent is added in surface layer per ton is 5~8Kg, and aluminum sulfate is added in surface layer per ton
Weight is 10~14kg, and the weight that drying strengthening agent is added in surface layer per ton is 24~32Kg, and the weight of retention agent is added in surface layer per ton
Measure as 0.4~0.6Kg, it is 0.7~1.4Kg to add bentonitic weight in surface layer per ton；
Sandwich layer also includes reinforcing agent, aluminum sulfate, drying strengthening agent, retention agent and bentonite, and the weight of reinforcing agent is added in sandwich layer per ton
Measure as 10~11Kg, the weight that aluminum sulfate is added in sandwich layer per ton be 10~14kg, the weight of addition drying strengthening agent in sandwich layer per ton
For 24~32Kg, the weight that retention agent is added in sandwich layer per ton is 0.2~0.3Kg, and bentonitic weight is added in sandwich layer per ton
For 0.7~1.4Kg；
Bottom also includes reinforcing agent, sizing agent, aluminum sulfate, drying strengthening agent, retention agent and bentonite, and enhancing is added in bottom per ton
The weight of agent is 10~11Kg, and the weight that sizing agent is added in bottom per ton is 5~8Kg, and aluminum sulfate is added in bottom per ton
Weight is 10~14kg, and the weight that drying strengthening agent is added in bottom per ton is 24~32Kg, and the weight of retention agent is added in bottom per ton
Measure as 0.2~0.3Kg, it is 0.7~1.4Kg to add bentonitic weight in bottom per ton.
A kind of 2. environmental protection liner paper according to claim 1, it is characterised in that：AOCC secondary stocks are entirely by import U.S. useless slurry group
Into.
A kind of 3. environmental protection liner paper according to claim 1, it is characterised in that：It is U.S. useless that OCC secondary stocks include 20% import
Paper pulp, 35% import day secondary stock and 45% domestic OCC secondary stocks.
A kind of 4. environmental protection liner paper according to claim 1, it is characterised in that：OCC secondary stocks and recovery are starched in bottom
Weight ratio is 2:1~3:1.
A kind of 5. environmental protection liner paper according to claim 1, it is characterised in that：The fiber basis weight scope of paper bulk is
120~200g/m2；And the fiber basis weight of surface layer is 20~25g/m2；The fiber basis weight of sandwich layer is 40~65g/m2；The fibre of bottom
Tie up quantification of 70~130g/m2。
A kind of 6. environmental protection liner paper according to claim 1, it is characterised in that：Drying strengthening agent is polyacrylamide；Reinforcing agent
For polyethylene ammonium；Sizing agent is dodecyl ketene dimer.
A kind of 7. production method of environmental protection liner paper, it is characterised in that：Comprise the following steps：
Step 1：Surface layer slurry is prepared by AOCC secondary stocks, and by reinforcing agent, aluminum sulfate, drying strengthening agent, retention agent and bentonite
It is added at fan pump and pressurized screen, center stock is prepared by long fibre in OCC secondary stocks, and by reinforcing agent, sizing agent, sulphur
Sour aluminium, drying strengthening agent, retention agent and bentonite are added at fan pump and pressurized screen, pass through the chopped fiber in OCC secondary stocks and recovery
Mixed configuration base pastes are starched, and reinforcing agent, aluminum sulfate, drying strengthening agent, retention agent and bentonite are added on fan pump and pressurized screen
Place；
Step 2：The surface layer slurry, center stock, base pastes of step 1 configuration are being molded wet end through respective head box respectively
Upper dehydration forms l Water Paper page, then folded online compound three, is aspirated through high vacuum, 22% mass dryness fraction base board is made；
Step 3：Base board made of step 2 is subjected to mechanical dehydration by one of plain press and two shoe press, done
Degree goes drying section to dry after reaching more than 45%；Wherein：The pressure of plain press is 160~180KN/M, the pressure of shoe press
For 940~1000KN/M；
Step 4：By step 3 drying paper web after calender coil paper portion formed parent roll, then again through rewind slitting into
For the product of specification needed for client.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710565710.2A CN107460785A (en) | 2017-07-12 | 2017-07-12 | A kind of environmental protection liner paper and its production method |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201710565710.2A CN107460785A (en) | 2017-07-12 | 2017-07-12 | A kind of environmental protection liner paper and its production method |
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| Publication Number | Publication Date |
|---|---|
| CN107460785A true CN107460785A (en) | 2017-12-12 |
Family
ID=60544241
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| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201710565710.2A Pending CN107460785A (en) | 2017-07-12 | 2017-07-12 | A kind of environmental protection liner paper and its production method |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
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