CN106256953A - A kind of leather waste joins the method copying the high-strength corrugating medium of OCC waste paper production - Google Patents
A kind of leather waste joins the method copying the high-strength corrugating medium of OCC waste paper production Download PDFInfo
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- CN106256953A CN106256953A CN201610566737.9A CN201610566737A CN106256953A CN 106256953 A CN106256953 A CN 106256953A CN 201610566737 A CN201610566737 A CN 201610566737A CN 106256953 A CN106256953 A CN 106256953A
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- waste paper
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- corrugating medium
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- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B31—MAKING ARTICLES OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER; WORKING PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F—MECHANICAL WORKING OR DEFORMATION OF PAPER, CARDBOARD OR MATERIAL WORKED IN A MANNER ANALOGOUS TO PAPER
- B31F1/00—Mechanical deformation without removing material, e.g. in combination with laminating
- B31F1/20—Corrugating; Corrugating combined with laminating to other layers
-
- C—CHEMISTRY; METALLURGY
- C14—SKINS; HIDES; PELTS; LEATHER
- C14C—CHEMICAL TREATMENT OF HIDES, SKINS OR LEATHER, e.g. TANNING, IMPREGNATING, FINISHING; APPARATUS THEREFOR; COMPOSITIONS FOR TANNING
- C14C1/00—Chemical treatment prior to tanning
- C14C1/08—Deliming; Bating; Pickling; Degreasing
-
- 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
- D21B1/32—Defibrating by other means of waste paper
-
- 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
- D21D5/00—Purification of the pulp suspension by mechanical means; Apparatus therefor
- D21D5/02—Straining or screening the pulp
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F1/00—Wet end of machines for making continuous webs of paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F3/00—Press section of machines for making continuous webs of paper
- D21F3/02—Wet presses
- D21F3/08—Pressure rolls
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21F—PAPER-MAKING MACHINES; METHODS OF PRODUCING PAPER THEREON
- D21F5/00—Dryer section of machines for making continuous webs of paper
- D21F5/02—Drying on cylinders
-
- 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
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of leather waste and join the method copying the high-strength corrugating medium of OCC waste paper production, carry out leather waste processing and obtain the clean collagen fiber existed with single fiber form, to be fabricated to be suitable for the OCC slurry of papermaking after OCC waste paper pulping, by weight percentage by 15～20% collagen fiber and 80～85%OCC wet end furnish become mixed slurry, then use it for papermaking and obtain the high-strength corrugating medium of finished product.Present invention achieves the comprehensive utilization of resource, the leather waste of Shoes Factory, Leather Factory is recycled, raw materials for production as high-strength corrugating medium, a kind of brand-new processing method is provided for leather waste, turn waste into wealth, and it is production process environmental protection, cleaning, pollution-free, avoid environmental pollution, reduce high-strength corrugating medium papermaking cost, the technique utilizing the present invention produces the high-strength corrugating medium obtained, wherein it is interweaved combination with from the Plant fiber in OCC waste paper from the collagen fiber in leather waste, obtains higher-quality high-strength corrugating medium.
Description
Technical field
The present invention relates to the technical field of producing of corrugating medium, particularly relate to a kind of leather waste and join and copy OCC waste paper
The method producing high-strength corrugating medium.
Background technology
Containing substantial amounts of collagen fiber in leather waste, and collagen fiber contain many active groups, and leather waste passes through
The collagen fiber that chemical treatment and mechanical treatment separate expose more than the active group in paper pulp fiber, are more easy to reaction, for
The combination of two kinds of fibers provides good condition.Leather waste, as the waste material of shoes manufacturing enterprise, does not has any use, makes at present
Footwear enterprise is typically all and works as incineration treatment of garbage, burns leather waste and not only pollutes environment, and waste resource, there is improvement
Necessity.
Summary of the invention
The deficiency existed for prior art, it is an object of the invention to provide a kind of leather waste and joins and copy OCC waste paper and produce
The method of high-strength corrugating medium, the present invention uses leather waste and OCC waste paper to produce high-strength corrugating medium, production process wiper ring
Protect, pollution-free, turn waste into wealth, reduce environmental pollution.
To achieve these goals, the technical solution adopted in the present invention is.
A kind of leather waste joins the method copying the high-strength corrugating medium of OCC waste paper production, including following procedure of processing,
The acidification step of leather waste, uses acid-hydrolysis method to leather waste acidification, selects in acid-hydrolysis method
Concentrated acid, isolates collagen fiber in leather waste, the most form with fibre bundle of isolated collagen fiber exists, and makes in concentrated acid
The hydrion of high concentration is combined with the carboxyl of collagen fiber, obtains one-level material；
The mechanical treatment step of leather waste: use double plate mill that one-level material carries out mechanical jordaning, defibrination process will be with
The collagen fiber that fibre bundle form exists all are dissociated into the collagen fiber existed with single fiber form, collagen fiber after defibrination
Beating degree control, at 45～50 ° of SR, to obtain two grades of materials；
The Screening Treatment step of leather waste: two grades of materials are screened by pressurized screen, screen out removing glue fibril with
Outer impurity and fibre bundle, obtain the clean collagen fiber existed with single fiber form；
OCC Waste Paper Handling step: will be fabricated to be suitable for the OCC slurry of papermaking after OCC waste paper pulping；
Proportioning step, by the collagen fiber obtained in the Screening Treatment step of leather waste and OCC Waste Paper Handling step
The OCC slurry obtained carries out proportioning, and the percentage by weight of collagen fiber is 15～20%, and the percentage by weight of OCC slurry is 80
～85%, obtain mixed slurry；
Dilution step, is transported to the outer back flow water pump of machine by starching pump by mixed slurry and dilutes, obtain diluted slurry；
Screening step, diluted slurry through pressurized screen screening laggard enter head box, obtain paper making pulp；
Papermaking procedure, uses paper making pulp to carry out papermaking and obtains the high-strength corrugating medium of finished product；
Batch step, export rolling.
Further in technical scheme, described papermaking procedure includes following sub-step,
Forming step, online that paper making pulp whitewashing is manufactured paper with pulp, dehydration forming；
Dehydration, squeezes through the big roll-in of twice, is dehydrated further；
Primary drying step, delivers to drying section and dries；
Applying glue step, enters sizing applicator and carries out top sizing；
Redrying step, through cylinder dried, obtains high-strength corrugating medium.
Further in technical scheme, described in batch in step, first high-strength corrugating medium is collected rolling, then rewinding divides
Cut, finally pack.
Further in technical scheme, in the acidification step of described leather waste, described concentrated acid selects concentrated sulphuric acid, dense nitre
Acid or concentrated hydrochloric acid, the concentration for the treatment of of described acid-hydrolysis method is 10%, pH value 1～2.
Further in technical scheme, in described OCC Waste Paper Handling step, including following sub-step,
Pulping step, carries out pulping by OCC waste paper through pulper, and pulper selects the lateral cross section in pulping chamber to be " D "
The D type pulper of font, obtains OCC waste paper oleo stock；
Highly concentrated slug removing step, utilizes HC Cleaner that OCC waste paper oleo stock is carried out highly concentrated slagging-off process；
Coarse screening step, carries out coarse filtration to the OCC waste paper oleo stock after highly concentrated slagging-off, removes large granular impurity therein；
Low dense slug removing step, utilizes low dense scummer that the OCC waste paper oleo stock after coarse sizing carries out low dense slagging-off and processes；
Fine screening step, carried out essence filtration, removed little granule therein miscellaneous the OCC waste paper oleo stock after low dense slagging-off
Matter；
Concentration step, the OCC waste paper oleo stock after selecting fine screen concentrates, and obtains being suitable for the OCC slurry of papermaking.
Further in technical scheme, in the mechanical treatment step of described leather waste, double plate mill refining concentration: 5～
6%, pulping beating degree: 47～49 ° of SR；
In the Screening Treatment step of described leather waste, controlling screening concentration is 4～5%；
In described OCC Waste Paper Handling step, the slurry concentration of OCC slurry controls 4～5%；
In described forming step, online of paper making pulp whitewashing being manufactured paper with pulp, online concentration of manufacturing paper with pulp controls, 0.8～1.0%, to copy
Make in online and waterline is controlled between first fine vacuum suction box and second fine vacuum suction box.
Further in technical scheme, in described proportioning step, by the most mixed for following component in pond with slurry
Close uniformly, the collagen fiber that obtain in the Screening Treatment step of leather waste 16～18%, OCC Waste Paper Handling step obtains
OCC slurry 80～82%, polyethers 1～3% and nano molybdenum disulfide 0.5～1%.
The present invention is the most advantageously: present invention achieves the comprehensive utilization of resource, by Shoes Factory,
The leather waste of Leather Factory recycles, and as the raw materials for production of high-strength corrugating medium, provides a kind of brand-new for leather waste
Processing method, turn waste into wealth, and production process environmental protection, cleaning, pollution-free, it is to avoid environmental pollution, reduce high-strength corrugated core
Paper papermaking cost.
The technique utilizing the present invention produces the high-strength corrugating medium that obtains, wherein from the collagen fiber in leather waste with
It is interweaved combination from the Plant fiber in OCC waste paper, obtains higher-quality high-strength corrugating medium.
Present invention process is simple, and production cost is low, it is easy to implement, and production process and production link are easily controlled, and produces effect
Rate is high, and conforming product rate is high.
Accompanying drawing explanation
Fig. 1 is the process flow diagram of the present invention.
Detailed description of the invention
The following stated is only presently preferred embodiments of the present invention, the most therefore limits protection scope of the present invention.
Embodiment, a kind of leather waste joins the method copying the high-strength corrugating medium of OCC waste paper production, shown in Fig. 1, including following
Procedure of processing,
The acidification step of leather waste, uses acid-hydrolysis method to leather waste acidification, selects in acid-hydrolysis method
Concentrated acid, concentrated acid selects concentrated sulphuric acid, concentrated nitric acid or concentrated hydrochloric acid, and the concentration for the treatment of of acid-hydrolysis method is 10%, pH value 1～2.In leather waste
Isolating collagen fiber, the most form with fibre bundle of isolated collagen fiber exists, and makes the hydrion of concentrated acid middle and high concentration
Be combined with the carboxyl of collagen fiber, obtain one-level material.
The mechanical treatment step of leather waste: use double plate mill that one-level material carries out mechanical jordaning, defibrination process will be with
The collagen fiber that fibre bundle form exists all are dissociated into the collagen fiber existed with single fiber form, collagen fiber after defibrination
Beating degree control at 45～50 ° of SR, concrete, double plate mill refining concentration: 5～6%, pulping beating degree: 47～49 ° of SR,
To two grades of materials；Collagen fiber have hydrophilic, and in water, dispersibility is preferable, and after water suction swollen, cohesiveness declines, through defibrination
Rear collagen fiber specific surface area increases, and is conducive to the intertexture combination between difference fiber when copy paper.
The Screening Treatment step of leather waste: two grades of materials are screened by pressurized screen, control screening concentration be 4～
5%, screen out the impurity beyond removing glue fibril and fibre bundle, obtain the clean collagen fiber existed with single fiber form.
OCC Waste Paper Handling step: will be fabricated to be suitable for the OCC slurry of papermaking, the pulping of OCC slurry after OCC waste paper pulping
Concentration controls 4～5%；OCC waste paper refers to waste paper, litter decoration or the waste paperboard etc. purchasing, and OCC waste paper can also be choosing
With U.S.'s 11# waste paper.
Proportioning step, by the collagen fiber obtained in the Screening Treatment step of leather waste and OCC Waste Paper Handling step
The OCC slurry obtained carries out proportioning, and the percentage by weight of collagen fiber is 15～20%, and the percentage by weight of OCC slurry is 80
～85%, obtain mixed slurry；In preferred embodiment, by following component mix homogeneously by weight percentage in pond with slurry,
The collagen fiber 16 obtained in the Screening Treatment step of leather waste～18%, the OCC slurry that obtains in OCC Waste Paper Handling step
80～82%, polyethers 1～3% and nano molybdenum disulfide 0.5～1%, improve mixing efficiency, and in follow-up technique, energy
Enough make preferably to be interweaved combination with from the Plant fiber in OCC waste paper from the collagen fiber in leather waste, make
The high-strength corrugating medium obtained eventually has more preferable toughness and intensity, the comprehensive physical property improving high-strength corrugating medium.
Dilution step, is transported to the outer back flow water pump of machine by starching pump by mixed slurry and dilutes, obtain diluted slurry.
Screening step, diluted slurry through pressurized screen screening laggard enter head box, obtain paper making pulp.
Papermaking procedure, uses paper making pulp to carry out papermaking and obtains the high-strength corrugating medium of finished product；Specifically include, forming step,
Being manufactured paper with pulp online in wet end whitewashing by paper making pulp, dehydration forming, online concentration of manufacturing paper with pulp controls 0.8～1.0%, manufactures paper with pulp in surfing the Net
Waterline is controlled between first fine vacuum suction box and second fine vacuum suction box.Dehydration, through press section
The big roll-in of twice is squeezed, and is dehydrated further；Primary drying step, delivers to drying section and dries；Applying glue step, enters sizing applicator and enters
Row top sizing；Redrying step, through cylinder dried, obtains high-strength corrugating medium.
Batch step, export rolling, concrete, first high-strength corrugating medium is collected rolling, then rewind slitting, finally beat
Bag, packaging warehouse-in.
Wherein, in OCC Waste Paper Handling step, including following sub-step,
Pulping step, carries out pulping by OCC waste paper through pulper, and pulper selects the lateral cross section in pulping chamber to be " D "
The D type pulper of font, obtains OCC waste paper oleo stock；
Highly concentrated slug removing step, utilizes HC Cleaner that OCC waste paper oleo stock is carried out highly concentrated slagging-off process；
Coarse screening step, carries out coarse filtration to the OCC waste paper oleo stock after highly concentrated slagging-off, removes large granular impurity therein；
Low dense slug removing step, utilizes low dense scummer that the OCC waste paper oleo stock after coarse sizing carries out low dense slagging-off and processes；
Fine screening step, carried out essence filtration, removed little granule therein miscellaneous the OCC waste paper oleo stock after low dense slagging-off
Matter；
Concentration step, the OCC waste paper oleo stock after selecting fine screen concentrates, and obtains being suitable for the OCC slurry of papermaking, and stores
In storage pool.In proportioning step, the OCC slurry in storage pool is transported to pond with slurry.
Present invention achieves the comprehensive utilization of resource, the leather waste of Shoes Factory, Leather Factory is recycled, as high-strength watt
The raw materials for production of stupefied core paper, provide a kind of new processing method for leather waste, and production process environmental protection, cleaning, pollution-free,
Reduce high-strength corrugating medium papermaking cost.
It addition, utilize the technique of the present invention to produce the high-strength corrugating medium obtained, wherein from the collagen in leather waste
Fiber is interweaved combination with from the Plant fiber in OCC waste paper, obtains higher-quality high-strength corrugating medium.
Above content is only presently preferred embodiments of the present invention, for those of ordinary skill in the art, according to the present invention's
Thought, the most all will change, and this specification content should not be construed as the present invention
Restriction.
Claims (7)
1. a leather waste is joined and is copied the method that OCC waste paper produces high-strength corrugating medium, it is characterised in that: include following adding work step
Suddenly,
The acidification step of leather waste, uses acid-hydrolysis method to leather waste acidification, selects concentrated acid in acid-hydrolysis method,
Isolating collagen fiber in leather waste, the most form with fibre bundle of isolated collagen fiber exists, and makes in concentrated acid highly concentrated
The hydrion of degree is combined with the carboxyl of collagen fiber, obtains one-level material；
The mechanical treatment step of leather waste: using double plate mill that one-level material is carried out mechanical jordaning, defibrination process will be with fiber
The collagen fiber that bundle form exists all are dissociated into the collagen fiber existed with single fiber form, and after defibrination, collagen fiber kowtows
Xie Du controls, at 45～50 ° of SR, to obtain two grades of materials；
The Screening Treatment step of leather waste: by pressurized screen, two grades of materials are screened, screen out beyond removing glue fibril
Impurity and fibre bundle, obtain the clean collagen fiber existed with single fiber form；
OCC Waste Paper Handling step: will be fabricated to be suitable for the OCC slurry of papermaking after OCC waste paper pulping；
Proportioning step, will obtain in the collagen fiber obtained and OCC Waste Paper Handling step in the Screening Treatment step of leather waste
OCC slurry carry out proportioning, the percentage by weight of collagen fiber is 15～20%, the percentage by weight of OCC slurry be 80～
85%, obtain mixed slurry；
Dilution step, is transported to the outer back flow water pump of machine by starching pump by mixed slurry and dilutes, obtain diluted slurry；
Screening step, diluted slurry through pressurized screen screening laggard enter head box, obtain paper making pulp；
Papermaking procedure, uses paper making pulp to carry out papermaking and obtains the high-strength corrugating medium of finished product；
Batch step, export rolling.
A kind of leather waste the most according to claim 1 joins the method copying the high-strength corrugating medium of OCC waste paper production, its feature
It is: described papermaking procedure includes following sub-step,
Forming step, online that paper making pulp whitewashing is manufactured paper with pulp, dehydration forming；
Dehydration, squeezes through the big roll-in of twice, is dehydrated further；
Primary drying step, delivers to drying section and dries；
Applying glue step, enters sizing applicator and carries out top sizing；
Redrying step, through cylinder dried, obtains high-strength corrugating medium.
A kind of leather waste the most according to claim 1 joins the method copying the high-strength corrugating medium of OCC waste paper production, its feature
Be: described in batch in step, first high-strength corrugating medium is collected rolling, then rewind slitting, finally packs.
A kind of leather waste the most according to claim 1 joins the method copying the high-strength corrugating medium of OCC waste paper production, its feature
Being: in the acidification step of described leather waste, described concentrated acid selects concentrated sulphuric acid, concentrated nitric acid or concentrated hydrochloric acid, described acid hydrolysis
The concentration for the treatment of of method is 10%, pH value 1～2.
5. the side copying the high-strength corrugating medium of OCC waste paper production is joined according to a kind of leather waste one of claim 2 to 4 Suo Shu
Method, it is characterised in that: in described OCC Waste Paper Handling step, including following sub-step,
Pulping step, carries out pulping by OCC waste paper through pulper, and pulper selects the lateral cross section in pulping chamber to be " D " font
D type pulper, obtain OCC waste paper oleo stock；
Highly concentrated slug removing step, utilizes HC Cleaner that OCC waste paper oleo stock is carried out highly concentrated slagging-off process；
Coarse screening step, carries out coarse filtration to the OCC waste paper oleo stock after highly concentrated slagging-off, removes large granular impurity therein；
Low dense slug removing step, utilizes low dense scummer that the OCC waste paper oleo stock after coarse sizing carries out low dense slagging-off and processes；
Fine screening step, carried out essence filtration, removed little granule foreign therein the OCC waste paper oleo stock after low dense slagging-off；
Concentration step, the OCC waste paper oleo stock after selecting fine screen concentrates, and obtains being suitable for the OCC slurry of papermaking.
A kind of leather waste the most according to claim 5 joins the method copying the high-strength corrugating medium of OCC waste paper production, its feature
It is: in the mechanical treatment step of described leather waste, double plate mill refining concentration: 5～6%, pulping beating degree: 47～49 ° of SR；
In the Screening Treatment step of described leather waste, controlling screening concentration is 4～5%；
In described OCC Waste Paper Handling step, the slurry concentration of OCC slurry controls 4～5%；
In described forming step, paper making pulp whitewashing being manufactured paper with pulp online, the concentration of surfing the Net of manufacturing paper with pulp controls 0.8～1.0%, manufacture paper with pulp on
Waterline is controlled between first fine vacuum suction box and second fine vacuum suction box by net.
A kind of leather waste the most according to claim 6 joins the method copying the high-strength corrugating medium of OCC waste paper production, its feature
It is: in described proportioning step, by following component mix homogeneously by weight percentage in pond with slurry, at the screening of leather waste
The collagen fiber 16 obtained in reason step～18%, the OCC slurry that obtains in OCC Waste Paper Handling step 80～82%, polyethers 1～
3% and nano molybdenum disulfide 0.5～1%.
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610566737.9A CN106256953B (en) | 2016-07-15 | 2016-07-15 | A kind of leather waste matches somebody with somebody the method that OCC waste paper produces high-strength corrugating medium of copying |
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| CN201610566737.9A CN106256953B (en) | 2016-07-15 | 2016-07-15 | A kind of leather waste matches somebody with somebody the method that OCC waste paper produces high-strength corrugating medium of copying |
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Cited By (6)
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| CN107905018A (en) * | 2017-11-15 | 2018-04-13 | 东莞顺裕纸业有限公司 | A kind of process for cleanly preparing using litter decoration production corrugating medium |
| CN107905026A (en) * | 2017-11-15 | 2018-04-13 | 东莞顺裕纸业有限公司 | Match somebody with somebody the method copied waste paper pulp and produce high-strength corrugating medium using leftover bits and pieces saw foam |
| CN110055789A (en) * | 2018-01-18 | 2019-07-26 | 东莞市泰昌纸业有限公司 | Use the method for cinder and waste paper production brown paper |
| CN108842498B (en) * | 2018-04-27 | 2020-05-05 | 东莞市泰昌纸业有限公司 | Paper pulp purification method for producing recycled paper pulp by using waste paper |
| CN113584931A (en) * | 2021-08-03 | 2021-11-02 | 东莞顺裕纸业有限公司 | Corrugated paper production process with less waste liquid discharge |
| CN115338232A (en) * | 2022-08-09 | 2022-11-15 | 辛集市梅花皮业有限公司 | Leather excess material recycling production line and modified recycled leather |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107604724B (en) * | 2017-11-01 | 2019-01-25 | 东莞市泰昌纸业有限公司 | The method for recycling paper mill sludge production brown paper |
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| CN107905026A (en) * | 2017-11-15 | 2018-04-13 | 东莞顺裕纸业有限公司 | Match somebody with somebody the method copied waste paper pulp and produce high-strength corrugating medium using leftover bits and pieces saw foam |
| CN107905018B (en) * | 2017-11-15 | 2021-01-22 | 东莞顺裕纸业有限公司 | Clean production process for producing corrugated medium paper by using waste paper box |
| CN110055789A (en) * | 2018-01-18 | 2019-07-26 | 东莞市泰昌纸业有限公司 | Use the method for cinder and waste paper production brown paper |
| CN108842498B (en) * | 2018-04-27 | 2020-05-05 | 东莞市泰昌纸业有限公司 | Paper pulp purification method for producing recycled paper pulp by using waste paper |
| CN113584931A (en) * | 2021-08-03 | 2021-11-02 | 东莞顺裕纸业有限公司 | Corrugated paper production process with less waste liquid discharge |
| CN115338232A (en) * | 2022-08-09 | 2022-11-15 | 辛集市梅花皮业有限公司 | Leather excess material recycling production line and modified recycled leather |
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