CN108978296A - A kind of high quality recycled paper processing method - Google Patents
A kind of high quality recycled paper processing method Download PDFInfo
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- CN108978296A CN108978296A CN201810946928.7A CN201810946928A CN108978296A CN 108978296 A CN108978296 A CN 108978296A CN 201810946928 A CN201810946928 A CN 201810946928A CN 108978296 A CN108978296 A CN 108978296A
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- 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
-
- 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
- D21D1/02—Methods of beating; Beaters of the Hollander type
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/10—Mixtures of chemical and mechanical pulp
-
- 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
- D21H13/00—Pulp or paper, comprising synthetic cellulose or non-cellulose fibres or web-forming material
- D21H13/10—Organic non-cellulose fibres
- D21H13/12—Organic non-cellulose fibres from macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H13/14—Polyalkenes, e.g. polystyrene polyethylene
-
- 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
-
- 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
- D21H21/06—Paper forming aids
-
- 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
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- Chemical & Material Sciences (AREA)
- Engineering & Computer Science (AREA)
- Inorganic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of high quality recycled paper processing methods, belong to regenerated environment protecting product technical field, solve the problems, such as that the waste paper regenerated environmental friendly regenerated paper quality processed is lower in the prior art, the present invention will be the following steps are included: (1) will be crushed by sorting, purified waste paper, with water mixed grinding at paper pulp, filtering, stirring, are made recycled pulp.(2) semi-finished product base paper is made；(3) semi-finished product table paper is made；(4) in semi-finished product base paper coated thereon adhesive, semi-finished product table paper is pasted thereon, is compacted with roll squeezer, semi-finished product body paper is made；(5) surface coating liquid is coated on step (4) resulting semi-finished product body paper surface, then through drying, surface press polish ornamenting, batch after get product recycled writing paper；(6) surface void is filled and led up；(7) it prepares compound gloss oil and is coated with gloss oil；(8) hot pressure is stood.Recycled paper made from processing method of the invention is bright and clean, smooth, and quality is higher, can be used for multiple fields.
Description
Technical field
The invention belongs to regenerated environment protecting product technical fields, and in particular to a kind of high quality recycled paper processing method.
Background technique
Recycled writing paper is to do raw material with waste paper, is smashed, the paper that discoloration slurrying processes out by working procedures,
The 80% of its raw material derives from the waste paper of recycling, thus the environmentally friendly flong for being known as low energy consumption, gently polluting.City waste paper is a variety of
Different regeneration copy papers, regeneration wrapping paper etc. are made using different classes of waste paper as raw material again for multiplicity.It can be generally divided into two
Major class: one kind is the rudimentary paper such as vermicelli paperboard, toilet paper；It is another kind of be books, newspapers and magazines, copy paper, printing paper, postcard and
Exercise-book etc. uses paper.
By sorting, the paper that more than ten procedures produce such as purification, it is beaten, manufactures paper with pulp, it has no effect on office, study
Normal use, and be conducive to protect vision health.Today that environment protection thought is increasingly advocated in the whole world, it is using recycled writing paper
One behave struck fire into the people's hearts.According to statistics, one ton of waste paper can reproduce 850 kilograms of paper, be equivalent to and cut 17 big tree less, water-saving
It 100 tons, economizes on coal 1-2 tons, economizes on electricity 600 degree, can also reduce by 35% water pollution, but manufacture one ton of paper to cut down about 20 age of trees
20 --- 40 years trees.If the half of the today of office paper used in the world is recycled, just it is able to satisfy new
The 75% of paper demand, being equivalent to 8,000,000 hectares of forests can be from felling.
But at present since raw material and technology are limited, its paper performance of environmental friendly regenerated paper for producing and second-rate can not
Reasonable, sufficient utilization is obtained, the utility value of reconstituted product is reduced, and is processed according to high-cost technique to improve again
The quality of raw paper, and runed counter to energy-saving and environment-friendly original intention, therefore we need to design the recycled writing paper for being capable of processing out better quality
Process.
Summary of the invention
It is an object of the invention to:
To solve the problems, such as that the waste paper regenerated environmental friendly regenerated paper quality processed is lower in the prior art, and provide a kind of high
Quality recycled paper processing method.
The technical solution adopted by the invention is as follows:
A kind of high quality recycled paper processing method, which comprises the following steps:
(1) it will be crushed, smashed paper scrap be mixed with water, and carried out with pulverizer by sorting, purified waste paper
Grinding, is ground into paper pulp for paper scrap, and the paper pulp after grinding carries out primary filtration, stirring through strainer, and recycled pulp is made, has made
At recycled pulp keep lasting stirring；
(2) by the change of the recycled pulp of 50-60 parts by weight, the chemical thermomechanical pulp of 55-65 parts by weight, 25-35 parts by weight
Inside beater after mixing, the inorganic filler of 15-20 parts by weight, the change of 6-10 parts by weight is added in bleaching needle-point leaf pulp
The papermaking finishing agent of auxiliary agent and 3-4 parts by weight is learned, forms base paper slurry, manufacturing paper with pulp through long mesh paper making machine, being dried to paper solid content is
52-58% is made into semi-finished product base paper；
(3) by chemical bleaching softwood pulp, the 45-55 of the chemical thermomechanical pulp of 65-75 parts by weight, 35-45 parts by weight
Inside beater after mixing, the inorganic fillers of 20-25 parts by weight, 6-10 parts by weight is added in the polypropylene fiber of parts by weight
The papermaking finishing agent of chemical assistant and 3-4 parts by weight forms table pulp material, manufactures paper with pulp through long mesh paper making machine, is dried to paper solid content
For 55-59%, it is made into semi-finished product table paper；
(4) the semi-finished product base paper coated thereon adhesive made from step (2), by semi-finished product table paper made from step (3)
It pastes thereon, is compacted with roll squeezer, semi-finished product body paper is made；
(5) adhesive is put into the water of its twice parts by weight, auxiliary agent, pigment, high-speed stirred is added after diluting uniformly
It is mixed thoroughly it, obtains surface coating liquid, the surface coating liquid is then coated on the resulting semi-finished product body paper of step (4)
Surface, then through drying, surface press polish ornamenting, batch after get product recycled writing paper；
(6) it is coated with macromolecular water paint on the surface of finished product recycled writing paper, carries out first after drying under heating conditions
Secondary roller hot pressure obtains the paper that surface void is filled and led up；
(7) acrylic ester aquosity gloss oil is taken, water dilution is added, the quality of water is the acrylic ester aquosity gloss oil quality
4~6 times, water-solubility electrostatic resistance agent is then added, the quality of the water-solubility electrostatic resistance agent is the acrylic ester aquosity gloss oil
The 5~10% of quality obtain compound gloss oil, and compound gloss oil is coated on the paper table that the surface void that step (6) obtains is filled and led up
Face；
(8) paper is subjected to second of roller hot pressure, is then allowed to stand drying 32~50 hours, obtain high quality regeneration ring
Protect paper.
Further, chemical assistant includes sodium gluconate 0.5-0.7 parts by weight, neopelex 0.6-0.7
Parts by weight, 800 mesh aquadag powder 4-5 parts by weight, sodium hypophosphite 0.3-0.4 parts by weight, oxidized starch 9-10 parts by weight, water
Property defoaming agent 0.4-0.5 parts by weight, atoleine 3-4 parts by weight, water 16-18 parts by weight.
Further, the beating degree of chemical thermomechanical pulp is the mashing of chemical bleaching softwood pulp between 46-48 ° of SR
Degree between 42-45 ° of SR, polypropylene fiber slurry be polypropylene fiber add water be beaten in beater 35min processing is obtained, and length is
25mm, inorganic filler are that the diatomite of weight ratio 1:1.2 and talcum powder mix, and chemical assistant is that the PAE of 40 parts by weight is wet
Strong agent, the dispersing agent for fibre of 50 parts by weight and 11-15 parts by weight sizing agent and 26-30 parts by weight aluminic acid compound.
Further, the macromolecular water paint is the aqueous solution of modified starch, and the water-solubility electrostatic resistance agent is sun
Ionic surfactant or anionic surfactant.
In conclusion by adopting the above-described technical solution, the beneficial effects of the present invention are:
The present invention improves the performance of paper pulp in waste paper regenerated processing by the mixed accessories of various rational proportions, so that
The paper fiber extent of damage therein is lower, and the colloid degree of paper pulp improves, so that its binding ability and elasticity enhancing, are processed
The paper strength of finished product recycled writing paper entirety out increases, while light obscuration also increases, to be obviously improved recycled paper
Quality, and process that obtained finished product recycled writing paper need to be filled and led up using surface void, gloss oil coating, hot pressure are stood, use
Better simply technique further improves flatness, finish, surface strength and the water resistance of recycled writing paper, so that of the invention
The recycled paper that processing method is processed can be applied more broadly in more to the higher field of paper quality requirement, be promoted
Waste paper regenerated value, has given full play to the regenerated economic value of energy conservation and environmental protection, helps to eliminate consumer in the heart to regeneration
Product wrong impression usually poor quality changes cognition of the society to recycled paper products, is that industry energy conservation is environmentally friendly, it is economical to be promoted
Benefit provides long-range sustainable method.
Specific embodiment
All features disclosed in this specification or disclosed all methods or in the process the step of, in addition to mutually exclusive
Feature and/or step other than, can combine in any way.
It elaborates below with reference to embodiment to the present invention.
Embodiment 1
A kind of high quality recycled paper processing method, which comprises the following steps:
(1) it will be crushed, smashed paper scrap be mixed with water, and carried out with pulverizer by sorting, purified waste paper
Grinding, is ground into paper pulp for paper scrap, and the paper pulp after grinding carries out primary filtration, stirring through strainer, and recycled pulp is made, has made
At recycled pulp keep lasting stirring；
(2) by the chemical bleaching needle of the recycled pulp of 50 parts by weight, the chemical thermomechanical pulp of 55 parts by weight, 25 parts by weight
Inside beater after mixing, the inorganic filler of 15 parts by weight, the chemical assistant and 3 parts by weight of 6 parts by weight is added in wood pulp
Papermaking finishing agent, formed base paper slurry, manufacture paper with pulp through long mesh paper making machine, be dried to paper solid content be 52%, be made into semi-finished product base
Paper；
(3) by the chemical thermomechanical pulp of 65 parts by weight, the chemical bleaching softwood pulp of 35 parts by weight, 45 parts by weight third
Inside beater after mixing, the inorganic filler of 20 parts by weight, the chemical assistant and 3 weight of 6 parts by weight is added in synthetic fibre fiber
The papermaking finishing agent of part forms table pulp material, and manufacturing paper with pulp through long mesh paper making machine, being dried to paper solid content is 55%, is made into semi-finished product
Table paper；
(4) the semi-finished product base paper coated thereon adhesive made from step (2), by semi-finished product table paper made from step (3)
It pastes thereon, is compacted with roll squeezer, semi-finished product body paper is made；
(5) adhesive is put into the water of its twice parts by weight, auxiliary agent, pigment, high-speed stirred is added after diluting uniformly
It is mixed thoroughly it, obtains surface coating liquid, the surface coating liquid is then coated on the resulting semi-finished product body paper of step (4)
Surface, then through drying, surface press polish ornamenting, batch after get product recycled writing paper；
(6) it is coated with macromolecular water paint on the surface of finished product recycled writing paper, carries out first after drying under heating conditions
Secondary roller hot pressure obtains the paper that surface void is filled and led up；
(7) acrylic ester aquosity gloss oil is taken, water dilution is added, the quality of water is the acrylic ester aquosity gloss oil quality
4 times, water-solubility electrostatic resistance agent is then added, the quality of the water-solubility electrostatic resistance agent is the acrylic ester aquosity gloss oil quality
5%, obtain compound gloss oil, compound gloss oil be coated on the paper surface that the surface void that step (6) obtains is filled and led up；
(8) paper is subjected to second of roller hot pressure, is then allowed to stand drying 32 hours, obtains high quality regenerated environment protecting
Paper.
Further, chemical assistant include 0.5 parts by weight of sodium gluconate, 0.6 parts by weight of neopelex,
800 mesh aquadag powder, 4 parts by weight, 0.3 parts by weight of sodium hypophosphite, 9 parts by weight of oxidized starch, 0.4 weight of aqueous defoamer
Part, 3 parts by weight of atoleine, 16 parts by weight of water.
Further, the beating degree of chemical thermomechanical pulp is 46 ° of SR, and the beating degree of chemical bleaching softwood pulp is 42 °
SR, polypropylene fiber slurry is that polypropylene fiber adds water be beaten 35min processing in beater obtained, length 25mm, inorganic filler are
The diatomite and talcum powder of weight ratio 1:1.2 mixes, and chemical assistant is the PAE wet strength agent of 40 parts by weight, 50 parts by weight
Dispersing agent for fibre and 11 parts by weight sizing agents and 26 parts by weight aluminic acid compounds.
Further, the macromolecular water paint is the aqueous solution of modified starch, and the water-solubility electrostatic resistance agent is sun
Ionic surfactant or anionic surfactant.
Embodiment 2
A kind of high quality recycled paper processing method, which comprises the following steps:
(1) it will be crushed, smashed paper scrap be mixed with water, and carried out with pulverizer by sorting, purified waste paper
Grinding, is ground into paper pulp for paper scrap, and the paper pulp after grinding carries out primary filtration, stirring through strainer, and recycled pulp is made, has made
At recycled pulp keep lasting stirring；
(2) by the chemical bleaching needle of the recycled pulp of 60 parts by weight, the chemical thermomechanical pulp of 65 parts by weight, 35 parts by weight
Inside beater after mixing, the inorganic filler of 20 parts by weight, the chemical assistant and 4 parts by weight of 10 parts by weight is added in wood pulp
Papermaking finishing agent, formed base paper slurry, manufacture paper with pulp through long mesh paper making machine, be dried to paper solid content be 58%, be made into semi-finished product base
Paper；
(3) by the chemical thermomechanical pulp of 75 parts by weight, the chemical bleaching softwood pulp of 45 parts by weight, 55 parts by weight third
Inside beater after mixing, the inorganic filler of 25 parts by weight, the chemical assistant and 4 weight of 10 parts by weight is added in synthetic fibre fiber
The papermaking finishing agent of part forms table pulp material, and manufacturing paper with pulp through long mesh paper making machine, being dried to paper solid content is 59%, is made into semi-finished product
Table paper；
(4) the semi-finished product base paper coated thereon adhesive made from step (2), by semi-finished product table paper made from step (3)
It pastes thereon, is compacted with roll squeezer, semi-finished product body paper is made；
(5) adhesive is put into the water of its twice parts by weight, auxiliary agent, pigment, high-speed stirred is added after diluting uniformly
It is mixed thoroughly it, obtains surface coating liquid, the surface coating liquid is then coated on the resulting semi-finished product body paper of step (4)
Surface, then through drying, surface press polish ornamenting, batch after get product recycled writing paper；
(6) it is coated with macromolecular water paint on the surface of finished product recycled writing paper, carries out first after drying under heating conditions
Secondary roller hot pressure obtains the paper that surface void is filled and led up；
(7) acrylic ester aquosity gloss oil is taken, water dilution is added, the quality of water is the acrylic ester aquosity gloss oil quality
6 times, water-solubility electrostatic resistance agent is then added, the quality of the water-solubility electrostatic resistance agent is the acrylic ester aquosity gloss oil quality
10%, obtain compound gloss oil, compound gloss oil be coated on the paper surface that the surface void that step (6) obtains is filled and led up；
(8) paper is subjected to second of roller hot pressure, is then allowed to stand drying 50 hours, obtains high quality regenerated environment protecting
Paper.
Further, chemical assistant include 0.7 parts by weight of sodium gluconate, 0.7 parts by weight of neopelex,
800 mesh aquadag powder, 5 parts by weight, 0.4 parts by weight of sodium hypophosphite, 10 parts by weight of oxidized starch, 0.5 weight of aqueous defoamer
Part, 4 parts by weight of atoleine, 18 parts by weight of water.
Further, the beating degree of chemical thermomechanical pulp is 48 ° of SR, and the beating degree of chemical bleaching softwood pulp is 45 °
SR, polypropylene fiber slurry is that polypropylene fiber adds water be beaten 35min processing in beater obtained, length 25mm, inorganic filler are
The diatomite and talcum powder of weight ratio 1:1.2 mixes, and chemical assistant is the PAE wet strength agent of 40 parts by weight, 50 parts by weight
Dispersing agent for fibre and 15 parts by weight sizing agents and 30 parts by weight aluminic acid compounds.
Further, the macromolecular water paint is the aqueous solution of modified starch, and the water-solubility electrostatic resistance agent is sun
Ionic surfactant or anionic surfactant.
Claims (4)
1. a kind of high quality recycled paper processing method, which comprises the following steps:
(1) it will be crushed, smashed paper scrap be mixed with water, and ground with pulverizer by sorting, purified waste paper,
Paper scrap is ground into paper pulp, the paper pulp after grinding carries out primary filtration, stirring through strainer, and recycled pulp is made, completes
Recycled pulp keeps lasting stirring；
(2) chemistry of the recycled pulp of 50-60 parts by weight, the chemical thermomechanical pulp of 55-65 parts by weight, 25-35 parts by weight is floated
Inside beater after mixing, the chemistry of inorganic filler, 6-10 parts by weight that 15-20 parts by weight are added helps white softwood pulp
The papermaking finishing agent of agent and 3-4 parts by weight forms base paper slurry, and manufacturing paper with pulp through long mesh paper making machine, being dried to paper solid content is 52-
58%, it is made into semi-finished product base paper；
(3) by the chemical thermomechanical pulp of 65-75 parts by weight, the chemical bleaching softwood pulp of 35-45 parts by weight, 45-55 weight
Inside beater after mixing, the inorganic filler of 20-25 parts by weight, the chemistry of 6-10 parts by weight is added in the polypropylene fiber of part
The papermaking finishing agent of auxiliary agent and 3-4 parts by weight forms table pulp material, and manufacturing paper with pulp through long mesh paper making machine, being dried to paper solid content is 55-
59%, it is made into semi-finished product table paper；
(4) the semi-finished product base paper coated thereon adhesive made from step (2), semi-finished product table paper made from step (3) is pasted
Thereon, it is compacted with roll squeezer, semi-finished product body paper is made；
(5) adhesive is put into the water of its twice parts by weight, auxiliary agent, pigment is added after diluting uniformly, high-speed stirred makes it
It is mixed thoroughly, obtains surface coating liquid, the surface coating liquid is then coated on the resulting semi-finished product base paper sheet of step (4)
Face, then through drying, surface press polish ornamenting, batch after get product recycled writing paper；
(6) it is coated with macromolecular water paint on the surface of finished product recycled writing paper, carries out first time rolling after drying under heating conditions
Cylinder hot pressure, obtains the paper that surface void is filled and led up；
(7) acrylic ester aquosity gloss oil is taken, water dilution is added, the quality of water is the 4~6 of the acrylic ester aquosity gloss oil quality
Times, water-solubility electrostatic resistance agent is then added, the quality of the water-solubility electrostatic resistance agent is the acrylic ester aquosity gloss oil quality
5~10%, obtain compound gloss oil, compound gloss oil be coated on the paper surface that the surface void that step (6) obtains is filled and led up；
(8) paper is subjected to second of roller hot pressure, is then allowed to stand drying 32~50 hours, obtains high quality regenerated environment protecting
Paper.
2. a kind of high quality recycled paper processing method according to claim 1, which is characterized in that chemical assistant includes
Sodium gluconate 0.5-0.7 parts by weight, neopelex 0.6-0.7 parts by weight, 800 mesh aquadag powder 4-5 weight
Part, sodium hypophosphite 0.3-0.4 parts by weight, oxidized starch 9-10 parts by weight, aqueous defoamer 0.4-0.5 parts by weight, liquid stone
Wax 3-4 parts by weight, water 16-18 parts by weight.
3. a kind of high quality recycled paper processing method according to claim 1, which is characterized in that chemical thermomechanical
The beating degree of slurry is between 46-48 ° of SR, and the beating degree of chemical bleaching softwood pulp is between 42-45 ° of SR, and polypropylene fiber slurry is
Polypropylene fiber adds water to be beaten in beater, and 35min processing is obtained, and length 25mm, inorganic filler is the silicon of weight ratio 1:1.2
Diatomaceous earth and talcum powder mix, chemical assistant be the PAE wet strength agents of 40 parts by weight, 50 parts by weight dispersing agent for fibre and
11-15 parts by weight sizing agent and 26-30 parts by weight aluminic acid compound.
4. a kind of high quality recycled paper processing method according to claim 1, which is characterized in that the macromolecular water
Property coating be modified starch aqueous solution, the water-solubility electrostatic resistance agent be cationic surface active agent or anionic surface
Activating agent.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN111074670A (en) * | 2019-12-30 | 2020-04-28 | 宏观世纪（天津）科技股份有限公司 | Preparation method of high-strength waterproof regenerated paperboard for carton packaging |
| CN111622002A (en) * | 2019-02-28 | 2020-09-04 | 江苏国圣纸业有限公司 | Recycled paper manufacturing method and recycled paper |
| CN111622012A (en) * | 2019-02-28 | 2020-09-04 | 江苏国圣纸业有限公司 | Recycled paper pulp prepared by waste paper tubes |
| CN114182552A (en) * | 2021-11-26 | 2022-03-15 | 上海翔港包装科技股份有限公司 | Processing method of renewable environment-friendly paper |
| CN115538208A (en) * | 2022-10-08 | 2022-12-30 | 江西省芦林纸业股份有限公司 | Preparation process of environment-friendly recycled paper |
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Application publication date: 20181211 |