CN106676941A - Preparation method of toilet paper containing high yield pulp - Google Patents

Preparation method of toilet paper containing high yield pulp Download PDF

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Publication number
CN106676941A
CN106676941A CN201611252561.6A CN201611252561A CN106676941A CN 106676941 A CN106676941 A CN 106676941A CN 201611252561 A CN201611252561 A CN 201611252561A CN 106676941 A CN106676941 A CN 106676941A
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Prior art keywords
pulp
high yield
mashing
yield pulp
treatment
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Pending
Application number
CN201611252561.6A
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Chinese (zh)
Inventor
许亦南
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
ANHUI BILUN LIVING PAPER Co Ltd
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ANHUI BILUN LIVING PAPER Co Ltd
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Filing date
Publication date
Application filed by ANHUI BILUN LIVING PAPER Co Ltd filed Critical ANHUI BILUN LIVING PAPER Co Ltd
Priority to CN201611252561.6A priority Critical patent/CN106676941A/en
Publication of CN106676941A publication Critical patent/CN106676941A/en
Pending legal-status Critical Current

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Classifications

    • 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
    • D21H11/02—Chemical or chemomechanical or chemothermomechanical pulp
    • A—HUMAN NECESSITIES
    • A47—FURNITURE; DOMESTIC ARTICLES OR APPLIANCES; COFFEE MILLS; SPICE MILLS; SUCTION CLEANERS IN GENERAL
    • A47K—SANITARY EQUIPMENT NOT OTHERWISE PROVIDED FOR; TOILET ACCESSORIES
    • A47K10/00—Body-drying implements; Toilet paper; Holders therefor
    • A47K10/16—Paper towels; Toilet paper; Holders therefor
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001—Modification of pulp properties
    • D21C9/002—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives
    • D21C9/005—Modification of pulp properties by chemical means; preparation of dewatered pulp, e.g. in sheet or bulk form, containing special additives organic compounds
    • 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
    • D21C9/00—After-treatment of cellulose pulp, e.g. of wood pulp, or cotton linters ; Treatment of dilute or dewatered pulp or process improvement taking place after obtaining the raw cellulosic material and not provided for elsewhere
    • D21C9/001—Modification of pulp properties
    • D21C9/007—Modification of pulp properties by mechanical or physical means
    • 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
    • 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
    • D21H11/16—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only modified by a particular after-treatment
    • 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
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/25—Cellulose
    • 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
    • D21H17/20—Macromolecular organic compounds
    • D21H17/21—Macromolecular organic compounds of natural origin; Derivatives thereof
    • D21H17/24—Polysaccharides
    • D21H17/28—Starch
    • D21H17/29—Starch cationic
    • 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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  • Engineering & Computer Science (AREA)
  • Chemical & Material Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • General Chemical & Material Sciences (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Health & Medical Sciences (AREA)
  • Public Health (AREA)
  • Mechanical Engineering (AREA)
  • Paper (AREA)

Abstract

The invention discloses a preparation method of toilet paper containing high yield pulp, and belongs to the field of paper making. The preparation method comprises the following specific steps: (1) pulping chemical pulp; (2) pulping high yield pulp; (3) pulping and blending; (4) drying; (5) wrinkling, coiling and storing. In the preparation method, different pulp raw materials are matched reasonably, and the mass concentration of the high yield pulp can be up to 9 to 12 percent, so that the overall manufacturing cost is lowered remarkably, and meanwhile the overall use performance of the toilet paper is well ensured; the toilet paper meets the requirements of national standards, and has high market competitiveness.

Description

A kind of preparation method of the toilet paper containing high yield pulp
Technical field
The invention belongs to field of papermaking, and in particular to a kind of preparation method of the toilet paper containing high yield pulp.
Background technology
Toilet paper is a kind of most common paper for daily use, is one of basic supplies necessary to modern humans' life, its life Yield and consumption are as the raising of people's life level is presented the trend for increasing year by year.At present, the original of toilet paper is produced Material is main chemical wood pulp, cotton pulp, bamboo pulp, straw pulp and deinked pulp etc., and wherein the toilet paper of high-quality is mainly using primary Chemical wood pulp is produced.Generally, the production of toilet paper is mixed using two kinds and two or more paper pulp mostly, accomplish long and short fiber by With copying, do so can not only reduce production cost to ratio, and can meet the quality requirement of different quality toilet papers.
High yield pulp be a kind of yield between 80-90%, using purely mechanic method or chemistry and the side that is combined of machinery The paper pulp of method production.Compared with the chemical pulp that yield only has 40-50%, high yield pulp is big to the utilization ratio of string resource Big to improve, production process is also relatively easy, consumption (particularly chloride toxic chemical) to chemicals and therefore produces Pollutant greatly reduces, therefore the either indirect cost such as the direct production cost such as fibrous raw material, chemicals or pollution treatment, Gao get Rate slurry has obvious advantage.Particularly in the case where 21 century advocates green production, the historical background of sustainable development, expand energetically The application of high yield pulp has become the common recognition of countries in the world paper industry.From the point of view of practical development situation, high yield pulp should With most of large paper kind such as package paper and cardboard, cultural paper is extended to rapidly between short twenties years, it is Reduce paper product production cost and paper-making industry energy-saving and emission-reduction have played huge effect.
But in terms of the production of toilet paper, because the paper kind side such as controls in the pliability of paper pulp fiber, bond strength There are requirement higher, and high yield pulp in face due to remaining most lignin components, and be subjected in process of production compared with Many mechanisms, so its fiber is stiff compared with chemical pulp, adhesion is excessively poor between fiber, fiber fines component is also higher, is used for Production toilet paper easily causes the paper defects such as product strength and feel decline, hair and powder dropping.Therefore so far, although toilet paper is given birth to Producing enterprise has using the power and wish of high yield pulp, but for fear of above-mentioned technical problem, the toilet paper for adding high yield pulp is temporary When do not occur commercially also.
The content of the invention
The invention provides a kind of preparation method of the toilet paper containing high yield pulp, realize add in toilet paper well Increase the technical problem of yield pulp.
The present invention is achieved through the following technical solutions：
A kind of preparation method of the toilet paper containing high yield pulp, comprises the following steps：
（1）Chemical pulp mashing is processed：
A. softwood pulp is carried out into continuous beating treatment using two sections of series systems, it is 4 ~ 4.5% to control the concentration of mashing, The beating degree for controlling slurry is 14 ~ 17 ° of SR；
B. hardwood chemical pulp is processed using unistage type mashing, it is 5 ~ 5.5% to control the concentration of mashing, controls the mashing of slurry It is 16 ~ 19 ° of SR to spend；
（2）High yield pulp mashing is processed：
A. mashing treatment is carried out to high yield pulp using mill mashing, it is 23 ~ 25% to control beating consistency, controls stock freeness It is 320 ~ 370ml；
B. the high yield pulp after a mashing treatment will be operated to be put into closed container, to the addition total matter of high yield pulp in closed container Methyl alcohol, 0.5 ~ 1.5% acetone of amount 2.5 ~ 3.5%, after being sufficiently mixed uniformly, then apply microwave treatment, control to high yield pulp The power of microwave output is 450 ~ 550W, first 50 ~ 60s of microwave treatment, a length of 90 when then being carried out again one time after 3 ~ 5min of interval ~ The microwave treatment of 100s；
（3）Slurrying is with copying：
A. softwood pulp, hardwood chemical pulp and high yield pulp after above-mentioned steps are processed are mixed and made into mixing slurry, institute The percentage by weight for stating three kinds of slurries in mixing slurry is：25 ~ 30% softwood pulps, 58 ~ 66% hardwood chemical pulps, 9 ~ 12% High yield pulp；
B. to cationic starch, 0.8 ~ 1.5% added in mixing slurry obtained in operation a equivalent to oven dry stock gross weight 0.3 ~ 0.6% Poly- gluco-manno carbohydrate hemicellulose, 0.3 ~ 0.7% softener, it is constantly well mixed after manufactured paper with pulp, control is manufactured paper with pulp page Quantification of 15.0 ± 5g/m2；
（4）Dried process：
By step（3）L Water Paper page after the completion of manufacturing paper with pulp is put into hothouse and is dried treatment, and the water of page contains after control is dry Measure is 7 ~ 11%；
（5）Corrugation, curling, storage treatment：
Scraper corrugation is carried out to completing dry page, volume is finally curled into and is deposited.
Further, step（3）Softener described in operation b is in imidazoline quaternary ammonium salt class, ethene ketone softening agent One kind.
The present invention has the advantages that：
The present invention with the addition of the high yield pulp of higher weight part in toilet paper slurrying, effectively reduce overall manufacturing cost, Special improvement treatment is carried out to high yield pulp again simultaneously, it is ensured that it uses quality, it is to avoid of the prior art common Defect, wherein with the addition of methyl alcohol and acetone in high yield pulp slurries, can effectively penetrate into cellulose crystalline region and amorphous area surface, In the presence of microwave treatment, can well promote the disconnection of cellulose molecular chain, improve the free degree, enhance the soft of fiber Softness, while reducing the probability of pulp fiber wire-dividing broom purification and cut-out again, it is ensured that its effect for using, is preparing mixing slurry The cationic starch of Shi Tianjia, poly- gluco-manno carbohydrate hemicellulose, softener composition can further lift fiber entirety again Quality, enhances service life.The reasonably combined slurries raw material not of the same race of the present invention, the quality that wherein high yield pulp is used is dense Degree significantly reduces overall manufacturing cost up to 9 ~ 12%, while ensure that the overall performance of toilet paper well again, Meet the requirement of national standard, there is the good market competitiveness.
Specific embodiment
Embodiment 1
A kind of preparation method of the toilet paper containing high yield pulp, comprises the following steps：
（1）Chemical pulp mashing is processed：
A. softwood pulp is carried out into continuous beating treatment using two sections of series systems, it is 4% to control the concentration of mashing, control The beating degree of slurry is 14 ° of SR；
B. hardwood chemical pulp is processed using unistage type mashing, it is 5% to control the concentration of mashing, and the beating degree for controlling slurry is 16°SR；
（2）High yield pulp mashing is processed：
A. mashing treatment is carried out to high yield pulp using mill mashing, it is 23% control beating consistency, controls the stock freeness to be 320ml；
B. the high yield pulp after a mashing treatment will be operated to be put into closed container, to the addition total matter of high yield pulp in closed container Methyl alcohol, 0.5% acetone of amount 2.5%, after being sufficiently mixed uniformly, then apply microwave treatment to high yield pulp, control microwave output Power be 450W, first microwave treatment 50s, be then spaced after 3min the microwave treatment of a length of 90s when carrying out again a time；
（3）Slurrying is with copying：
A. softwood pulp, hardwood chemical pulp and high yield pulp after above-mentioned steps are processed are mixed and made into mixing slurry, institute The percentage by weight for stating three kinds of slurries in mixing slurry is：30% softwood pulp, 58% hardwood chemical pulp, 12% high yield pulp；
B. to cationic starch, the poly- grape of 0.8 ~ % added in mixing slurry obtained in operation a equivalent to oven dry stock gross weight 0.3% Sweet dew carbohydrate hemicellulose, 0.3% softener, it is constantly well mixed after manufactured paper with pulp, control manufactures paper with pulp quantification of the 15.0 of page ±5g/m2；
（4）Dried process：
By step（3）L Water Paper page after the completion of manufacturing paper with pulp is put into hothouse and is dried treatment, and the water of page contains after control is dry Measure is 7 ~ 11%；
（5）Corrugation, curling, storage treatment：
Scraper corrugation is carried out to completing dry page, volume is finally curled into and is deposited.
Further, step（3）Softener described in operation b is imidazoline quaternary ammonium salt class softening agent.
Embodiment 2
A kind of preparation method of the toilet paper containing high yield pulp, comprises the following steps：
（1）Chemical pulp mashing is processed：
A. softwood pulp is carried out into continuous beating treatment using two sections of series systems, it is 4.5% to control the concentration of mashing, control The beating degree of slurrying material is 17 ° of SR；
B. hardwood chemical pulp is processed using unistage type mashing, it is 5.5% to control the concentration of mashing, controls the beating degree of slurry It is 19 ° of SR；
（2）High yield pulp mashing is processed：
A. mashing treatment is carried out to high yield pulp using mill mashing, it is 25% control beating consistency, controls the stock freeness to be 370ml；
B. the high yield pulp after a mashing treatment will be operated to be put into closed container, to the addition total matter of high yield pulp in closed container Methyl alcohol, 1.5% acetone of amount 3.5%, after being sufficiently mixed uniformly, then apply microwave treatment to high yield pulp, control microwave output Power be 550W, first microwave treatment 60s, be then spaced after 5min the microwave treatment of a length of 100s when carrying out again a time；
（3）Slurrying is with copying：
A. softwood pulp, hardwood chemical pulp and high yield pulp after above-mentioned steps are processed are mixed and made into mixing slurry, institute The percentage by weight for stating three kinds of slurries in mixing slurry is：25% softwood pulp, 66% hardwood chemical pulp, 9% high yield pulp；
B. to cationic starch, the 1.5% poly- grape added in mixing slurry obtained in operation a equivalent to oven dry stock gross weight 0.6% Sweet dew carbohydrate hemicellulose, 0.7% softener, it is constantly well mixed after manufactured paper with pulp, control manufactures paper with pulp quantification of the 15.0 of page ±5g/m2；
（4）Dried process：
By step（3）L Water Paper page after the completion of manufacturing paper with pulp is put into hothouse and is dried treatment, and the water of page contains after control is dry Measure is 7 ~ 11%；
（5）Corrugation, curling, storage treatment：
Scraper corrugation is carried out to completing dry page, volume is finally curled into and is deposited.
Further, step（3）Softener described in operation b is ethene ketone softening agent.
Comparative example 1
This comparative example 1 compared with Example 1, in step（2）In high yield pulp mashing treatment operation b, without methyl alcohol and Acetone, method and step all same in addition.
Comparative example 2
This comparative example 2 compared with Example 2, in step（2）In high yield pulp mashing treatment operation b, do not carry out at microwave Reason, method and step all same in addition.
Comparative example 3
This comparative example 3 compared with Example 2, does not carry out step（2）The operation b treatment of high yield pulp mashing treatment, except this Outer method and step all same.
In order to contrast effect of the present invention, performance detection is carried out to toilet paper obtained in above-mentioned five kinds of modes, specifically contrast number According to as shown in table 1 below：
Table 1
It is quantitative（g/m2） Whiteness（ISO） Tensile strength（mN） Absorbability（nN/100s） Pliability（mM）
Embodiment 1 20.2 74 4.4 32 252
Embodiment 2 20.1 73 4.3 33 250
Comparative example 1 20.3 78 3.3 27 320
Comparative example 2 19.9 80 2.8 22 360
Comparative example 3 20.1 83 2.5 20 380
Paper（GB） 20±1 72~75 ≥3.0 ≥25 ≤300
By upper table 1 as can be seen that the obtained toilet paper combination property of the present invention preferably, meets national standard, use value is higher.

Claims (2)

1. a kind of preparation method of the toilet paper containing high yield pulp, it is characterised in that comprise the following steps：
（1）Chemical pulp mashing is processed：
A. softwood pulp is carried out into continuous beating treatment using two sections of series systems, it is 4 ~ 4.5% to control the concentration of mashing, The beating degree for controlling slurry is 14 ~ 17 ° of SR；
B. hardwood chemical pulp is processed using unistage type mashing, it is 5 ~ 5.5% to control the concentration of mashing, controls the mashing of slurry It is 16 ~ 19 ° of SR to spend；
（2）High yield pulp mashing is processed：
A. mashing treatment is carried out to high yield pulp using mill mashing, it is 23 ~ 25% to control beating consistency, controls stock freeness It is 320 ~ 370ml；
B. the high yield pulp after a mashing treatment will be operated to be put into closed container, to the addition total matter of high yield pulp in closed container Methyl alcohol, 0.5 ~ 1.5% acetone of amount 2.5 ~ 3.5%, after being sufficiently mixed uniformly, then apply microwave treatment, control to high yield pulp The power of microwave output is 450 ~ 550W, first 50 ~ 60s of microwave treatment, a length of 90 when then being carried out again one time after 3 ~ 5min of interval ~ The microwave treatment of 100s；
（3）Slurrying is with copying：
A. softwood pulp, hardwood chemical pulp and high yield pulp after above-mentioned steps are processed are mixed and made into mixing slurry, institute The percentage by weight for stating three kinds of slurries in mixing slurry is：25 ~ 30% softwood pulps, 58 ~ 66% hardwood chemical pulps, 9 ~ 12% High yield pulp；
B. to cationic starch, 0.8 ~ 1.5% added in mixing slurry obtained in operation a equivalent to oven dry stock gross weight 0.3 ~ 0.6% Poly- gluco-manno carbohydrate hemicellulose, 0.3 ~ 0.7% softener, it is constantly well mixed after manufactured paper with pulp, control is manufactured paper with pulp page Quantification of 15.0 ± 5g/m2；
（4）Dried process：
By step（3）L Water Paper page after the completion of manufacturing paper with pulp is put into hothouse and is dried treatment, and the water of page contains after control is dry Measure is 7 ~ 11%；
（5）Corrugation, curling, storage treatment：
Scraper corrugation is carried out to completing dry page, volume is finally curled into and is deposited.
2. a kind of preparation method of toilet paper containing high yield pulp according to claim 1, it is characterised in that step（3） Softener described in operation b is the one kind in imidazoline quaternary ammonium salt class, ethene ketone softening agent.
CN201611252561.6A 2016-12-30 2016-12-30 Preparation method of toilet paper containing high yield pulp Pending CN106676941A (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
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Application Number Priority Date Filing Date Title
CN201611252561.6A CN106676941A (en) 2016-12-30 2016-12-30 Preparation method of toilet paper containing high yield pulp

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CN106676941A true CN106676941A (en) 2017-05-17

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Cited By (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107476116A (en) * 2017-06-27 2017-12-15 安徽比伦生活用纸有限公司 A kind of method for improving flexible toilet paper toughness
CN116575268A (en) * 2023-06-14 2023-08-11 济南圣泉集团股份有限公司 Solvent method plant fiber paper for daily use and preparation method thereof

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105951494A (en) * 2016-07-04 2016-09-21 山东太阳纸业股份有限公司 Preparation method of toilet paper containing high-yield pulp
CN106120433A (en) * 2016-07-04 2016-11-16 山东太阳纸业股份有限公司 A kind of production method containing high yield pulp tissue

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN105951494A (en) * 2016-07-04 2016-09-21 山东太阳纸业股份有限公司 Preparation method of toilet paper containing high-yield pulp
CN106120433A (en) * 2016-07-04 2016-11-16 山东太阳纸业股份有限公司 A kind of production method containing high yield pulp tissue

Non-Patent Citations (1)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107476116A (en) * 2017-06-27 2017-12-15 安徽比伦生活用纸有限公司 A kind of method for improving flexible toilet paper toughness
CN107476116B (en) * 2017-06-27 2020-12-04 阜阳颍知网络信息科技有限公司 Method for improving toughness of flexible toilet paper
CN116575268A (en) * 2023-06-14 2023-08-11 济南圣泉集团股份有限公司 Solvent method plant fiber paper for daily use and preparation method thereof

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Application publication date: 20170517