CN106320084A - Production technology of crinkled wiping paper - Google Patents
Production technology of crinkled wiping paper Download PDFInfo
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- CN106320084A CN106320084A CN201610734604.8A CN201610734604A CN106320084A CN 106320084 A CN106320084 A CN 106320084A CN 201610734604 A CN201610734604 A CN 201610734604A CN 106320084 A CN106320084 A CN 106320084A
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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
-
- 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
- B31F1/12—Crêping
- B31F1/126—Crêping including making of the paper to be crêped
-
- 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
- D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
-
- 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
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- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- Paper (AREA)
Abstract
The invention relates to a paper product processing method, in particular to a production technology of crinkled wiping paper, and belongs to the technical field of paper making and paper product processing and production. The production technology of the crinkled wiping paper includes the following steps that firstly, pure wood pulp is subjected to repulping through a hydraulic repulping machine, then millstone mill pulping is carried out, and pulp with the concentration of 3.5-4.0wt% and the SR beating degree of 18-20 is obtained; secondly, ultrashort viscose fibers are fluffed through a fluffer and then mixed with the pulp, and mixed pulp is obtained; thirdly, a softening agent, auxiliaries and a wet strength agent for paper are added into the mixed pulp and mixed evenly, the mixture is subjected to wet-process forming through an inclined-wire papermaking net part former, and the product is squeezed and dehydrated through a water absorption box and enters a vat to be pre-dried; fourthly, the body paper entering the vat is subjected to coating on the surface of the vat, the sizing amount is controlled to be within 2-5 g/m<2> according to paper requirements, crinkling occurs on the surface of the drying vat, and after vat-combined drying and finishing, cooling and rolling, rewinding and slitting, and packaging and warehousing, production of the product is completed.
Description
Technical field
The present invention relates to a kind of paper product processing method, particularly to the production technology of a kind of wrinkle cleansing tissue, belong to papermaking,
Paper product processing technical field.
Background technology
Wrinkle cleansing tissue is a kind of with high content of technology, extraordinary paper using of high added value.Wrinkle cleansing tissue, grammes per square metre: 15～45
Gram/m.Existing the most domestic rely primarily on the external import such as Japan, the U.S., performance characteristics: do not stay a mao dirt after wiping；Efficient suction
Water, oil absorption；Quality is soft, does not hinder wiping surface；Wet epistasis is good, solvent resistance.Application scenario: wiping eyeglass, camera lens, take the photograph
As the high-tech products such as head, optical glass components and parts, precise electronic, microscope, mobile phone (computer) display screen, currently used import
Paper is primarily present the shortcomings such as the price height of paper, delivery cycle length.
Summary of the invention
In order to fill up wrinkle cleansing tissue domestic production technological gap, meeting domestic market requirement, emphasis solves to improve wrinkle
The flexibility of cleansing tissue, water absorption, wrinkle exquisiteness stability, solvent resistance, the present invention provides the production of a kind of wrinkle cleansing tissue
Technique.
The technical solution adopted for the present invention to solve the technical problems is:
The production technology of a kind of wrinkle cleansing tissue, this technique comprises the steps:
A, pure wood pulp carry out mill making beating after hydrabrusher size degradation, and prepared concentration is 3.5～4.0wt%, beating degree
The slurry of 18～20 ° of SR；
B, ultrashort viscose fiber mix with described slurry after fluffer is evacuated, and obtain mixed slurry, and mixed slurry contains 80-
95wt% wood pulp and 5-20wt% ultrashort viscose fiber, slurry concentration is 2.0-2.5wt%；
C, addition softening agent for paper, auxiliary agent and wet strength agent, mixing in slurry, become through oblique net papermaking wet end former wet method
Shape, squeezing and suction box are dehydrated, enter vat preliminary drying through carrying roller；
D, the body paper of entrance vat are coated at big dryer surface, and spread requires to control 2～5g/m according to paper2
In the range of, then wrinkling at dryer surface, it is raw that group cylinder is dried ornamenting, cooling is batched, rewind slitting, packaging have put product in storage
Produce.The process chart of the present invention is shown in Fig. 1.
As preferably, coating process is: when body paper enters drying cylinder coating, moisture control is between 45～60%, at drying cylinder table
Face is coated processing, and applicator roll is positioned at drying cylinder center, selects papermaking Special emulsion, be added with 1-in coating fluid during coating
2wt% hydrophilizing agent and the antiseized auxiliary agent of 0.1-0.5%, addition be by the quality of papermaking Special emulsion be in terms of 100%.Hydrophilizing agent and
Antiseized auxiliary agent is used for preventing paper from gluing cylinder.
As preferably, Step d uses vitrification point to be that negative 15-bears the solvent resistant latex of 40 DEG C and is coated.
As preferably, described pure wood pulp is Canada's north wood wood pulp.
As preferably, with the oven dry stock gauge of pure wood pulp, the consumption of softening agent for paper is 0.2～0.5wt%, wet strength agent
Consumption is 0.4～0.6wt%, and described auxiliary agent is polyethylene glycol oxide, addition with the oven dry stock amount of pure wood pulp be calculated as 0.1～
0.3wt%.
As preferably, described vat preliminary drying uses the vat of diameter >=3 meter, installs two suspended hoods, upper suction on vat
Fan housing is high speed hot blast Yankee gas hood, and lower suspended hood is plain type fan housing, and lower suspended hood connects has air exhauster, lower suspended hood to be positioned at
Between carrying roller and applicator roll, being to aim at dryer surface coating and install additional, when page is through carrying roller entrance drying cylinder, under warp, suspended hood enters
Row convulsion is dried.
Being coated with front double finished paper at big dryer surface and carry out predrying, the first drying cylinder diameter of the present invention must be more than
In 3 meters, to fill two suspended hoods thereon, upper suspended hood is high speed hot blast Yankee gas hood, uses contact drying and convective drying
Principle, high temperature and high speed hot blast makes hot blast produce convection heat transfer' heat-transfer by convection quickly to paper, and hot blast vertically blows on paper simultaneously, the sky on interface
Gas thin film is destroyed or is lowered thickness, thus heat transfer and mass tranfer coefficient are greatly increased, and enhance evaporation, paper machine can be greatly improved
Yield and cylinder dried efficiency, steam consumption is low；Lower suspended hood is plain type fan housing, does not has interlayer, but has and be equipped with exclusively for it
Air exhauster, lower suspended hood between carrying roller and applicator roll, be aim at dryer surface coating and install additional, enter through carrying roller at page
Carry out convulsion through lower suspended hood when entering drying cylinder to be dried.
As preferably, the wrinkling Special scraper knife of creping doctor Ceramics when dryer surface is wrinkling, to ensure the even of wrinkle road
One stability, creping doctor installation site and scraper angle require to be adjusted according to paper.
As preferably, the surface temperature of drier of vat controls 110 DEG C ± 3.
The wrinkle cleansing tissue that a kind of described production technology prepares.
The present invention preferably Canada's import pulp, adds appropriate softening agent for paper and polyethylene glycol oxide, improves in slurry
Prepare formation of sheet and the pliability of body paper；The present invention add auxiliary agent polyethylene glycol oxide (PEO), be one have water solublity and
Thermoplastic nonionic linear polymeric polymer, face shaping is white particles powder.Have flocculation, thickening, slow release,
The performances such as lubrication, dispersion, retention, water conservation, belong to nonionic, are affected relatively fewer by water quality and other interpolation auxiliary agent so that
The ru nnability of paper pulp is stable, and the most easily broken paper and a paper powder, maximum advantage is to improve into flexibility and the uniformity of paper.
The softening agent for paper HPS-1 that the present invention selects is cationic surface active agent, is one end in molecule structure
Containing long chain hydrocarbon groups, the other end contains the polarity or the compound of reactive group can being combined with fiber.Softening agent molecule can be
Fiber surface forms the absorption that hydrophobic group is outside, thus reduces the kinematics and static friction factor of fibrous matter, it is thus achieved that the hands of smooth, soft
Sense.Softening agent HPS-1 is easier to be adsorbed on paper pulp fiber, and retention is high, easy to use.With the addition of this appropriate paper soft
Agent, can not only make softization of paper, and tend to make easy sliding between fiber, soft and flexible, and strengthens
Tearing strength, and paper water absorption can be improved.Its consumption is preferably 0.2～0.5% (by oven dry stock gauge).
The PAE wet strength agent for papermaking that the present invention selects, is Polyamide Polyamine Epichlorohydrin Resin, and this product belongs to water-soluble cationic,
Thermosetting resin.PAE, in addition to can increasing paper wet strength performance, also can increase dry strength to some extent, and can be as
The retention agents of filler in paper-making process, removes the flocculant of small material in the filter aid of raising paper yield and factory's running water.
This product is mainly characterized by easily being absorbed by fiber, and can carry out ripening under neutral or basic conditions.It can be existed by paper
Heat drying in paper-making process and the method deposited are to develop its wet epistasis energy.The major advantage of this product is that using effect is good,
Consumption is the 0.4～0.6% of oven dry stock weight.PAE resin can give paper many preciousness performances simultaneously, improves dimensionally stable
Property, improving intensity, absorption ink performance is good.Using method: being diluted (being diluted to 5%) before use again can use.
Inventor, through the development of six wheat harvesting periods, finds that the wrinkle cleansing tissue product quality of the present invention has met or exceeded state
Outer like product, concrete quality index is as follows: quantitatively: 42g/ ± 1, thickness: 0.10～0.11mm, machine direction tensile strength: >=
15N/cm, cross direction tensile strength: >=10N/cm, longitudinal wet is strong: >=3.3N/cm, longitudinal tensile strain rate: 12% ± 1, water absorption:
76g/ ± 5, moisture content: 5.0-6.0%.
The invention has the beneficial effects as follows: emphasis of the present invention solves and improve wrinkle cleansing tissue papermaking quality, use big baking
Cylinder surfaces is coated with, and improves the wrinkling quality of paper product.Canada import pulp brand, preferably optimal processing parameter are selected in slurrying,
Ultrashort viscose fiber (the main pliability improving body paper and water absorption) is added in slurry；Japan's import dispersant is used (mainly to carry
High formation of sheet)；Oblique net paper machine is utilized to carry out manufacture paper with pulp (guaranteeing sheet uniformity)；Enter at big dryer surface during manufacturing paper with pulp
Row coating (mainly solves wrinkle cleansing tissue to fall hair and solvent resistance in wiping, use ceramic blade pair when big drying cylinder paper delivery
Paper is carried out wrinkling (mainly solving stability and the sophistication of wrinkling wrinkle), carries out modifying and cold after big drying cylinder is wrinkling on group cylinder
But (paper formation is mainly solved)；Production process uses DCS to control (ensureing that each process quality is stable)；It is coated with at big dryer surface
Cloth preferred high-quality latex (mainly guarantees that the performance such as hair and solvent resistance is not fallen in the pliability of paper, wiping).
Accompanying drawing explanation
Fig. 1 is the process chart of the present invention.
Detailed description of the invention
Below by specific embodiment, technical scheme is described in further detail.Should be appreciated that this
Bright enforcement is not limited to the following examples, and any pro forma accommodation and/or the change of being made the present invention all will fall
Enter scope.
In the present invention, if not refering in particular to, all of part, percentage ratio are unit of weight, the equipment used and raw material etc.
All it is commercially available or commonly used in the art.Method in following embodiment, if no special instructions, is the normal of this area
Rule method.
Wood pulp, 100% pure Canada north wood wood pulp；
Wet strength agent, Hangzhou Wei Da Chemical Co., Ltd., model is WD-805；
Papermaking Special emulsion is solvent resistant latex, Hangzhou Tian Hao Chemical Co., Ltd., and model is THF830；
Ultrashort viscose fiber, Tangshan three friend FCFC, model 1.5D/6-SD-4A；
Hydrophilizing agent, Hangzhou Lv Dian Chemical Co., Ltd., model: LD-B1；
Antiseized auxiliary agent, Hangzhou Hanghua Harima Chemicals Co., Ltd., model SUR-4；
Softening agent for paper, Hangzhou Hanghua Harima Chemicals Co., Ltd., model HPS-1；
Dispersant (polyethylene glycol oxide), Sumitomo Seika Co., Ltd's (Japan's import), PEO-PFZblue.
Embodiment 1 (product specification 42g/):
The production technology of a kind of wrinkle cleansing tissue, specifically includes following steps:
A, pure wood pulp carry out mill making beating after hydrabrusher size degradation, and prepared concentration is 3.5～4.0wt%, beating degree
The slurry of 18～20 ° of SR；
B, ultrashort viscose fiber mix with described slurry after fluffer is evacuated, and obtain mixed slurry, and mixed slurry contains
80wt% wood pulp and 20wt% ultrashort viscose fiber, slurry concentration is 2.5wt%；
C, addition softening agent for paper, auxiliary agent and wet strength agent, mixing in slurry, become through oblique net papermaking wet end former wet method
Shape, squeezing and suction box are dehydrated, enter vat preliminary drying through carrying roller.Vat preliminary drying uses the vat of diameter 3.5 meters, pacifies on vat
Filling two suspended hoods, upper suspended hood is high speed hot blast Yankee gas hood, and lower suspended hood is plain type fan housing, and lower suspended hood connects to be taken out
Blower fan, lower suspended hood is between carrying roller and applicator roll.
With the oven dry stock gauge of pure wood pulp, the consumption of softening agent for paper is 0.5wt%, and the consumption of wet strength agent is 0.4wt%,
Described auxiliary agent is polyethylene glycol oxide, and addition is calculated as 0.3wt% with the oven dry stock amount of pure wood pulp.
D, the body paper of entrance vat are coated at big dryer surface, and spread requires to control 2～5g/m according to paper2
In the range of, coating process is: when body paper enters drying cylinder coating, moisture control is between 45～60%, is coated at dryer surface
Processing, surface temperature of drier controls 110 DEG C ± 3, and applicator roll is positioned at drying cylinder center, and coating uses papermaking Special emulsion
(vitrification point is negative 15 DEG C), is added with 1wt% hydrophilizing agent and 0.5% antiseized auxiliary agent in coating fluid, addition is with papermaking
The quality of Special emulsion is 100% meter.
After being coated with wrinkling at dryer surface, when dryer surface is wrinkling, creping doctor Ceramics is wrinkling special scrapes
Cutter；Cylinder is dried ornamenting to group, cooling is batched, rewind slitting, packaging have put production in storage.
Gained note detection data are as follows:
It is quantitative: 42.2g/,
Thickness: 0.109mm,
Machine direction tensile strength: 18N/cm,
Cross direction tensile strength: 13.5N/cm,
Longitudinal wet is strong: >=3.8N/cm,
Longitudinal tensile strain rate: 12.5%,
Water absorption: 76.5g/,
Moisture content: 5.3%.
Products obtained therefrom is through inspection: sheet softness, formation of sheet, tensile strength, water absorbing properties, wet epistasis are good, solvent resistant
Property etc. is all higher than foreign paper, and customer responsiveness is good.
Embodiment 2 (product specification 35g/):
The production technology of a kind of wrinkle cleansing tissue, specifically includes following steps:
A, pure wood pulp carry out mill making beating after hydrabrusher size degradation, and prepared concentration is 3.5～4.0wt%, beating degree
The slurry of 18～20 ° of SR；
B, ultrashort viscose fiber mix with described slurry after fluffer is evacuated, and obtain mixed slurry, and mixed slurry contains
85wt% wood pulp and 15wt% ultrashort viscose fiber, slurry concentration is 2.5wt%；
C, addition softening agent for paper, auxiliary agent and wet strength agent, mixing in slurry, become through oblique net papermaking wet end former wet method
Shape, squeezing and suction box are dehydrated, enter vat preliminary drying through carrying roller.Vat preliminary drying uses the vat of diameter >=3 meter, pacifies on vat
Filling two suspended hoods, upper suspended hood is high speed hot blast Yankee gas hood, and lower suspended hood is plain type fan housing, and lower suspended hood connects to be taken out
Blower fan, lower suspended hood is between carrying roller and applicator roll.
With the oven dry stock gauge of pure wood pulp, the consumption of softening agent for paper is 0.2wt%, and the consumption of wet strength agent is 0.6wt%,
Described auxiliary agent is polyethylene glycol oxide, and addition is calculated as 0.1wt% with the oven dry stock amount of pure wood pulp.
D, the body paper of entrance vat are coated at big dryer surface, and spread requires to control 2～5g/m according to paper2
In the range of, coating process is: when body paper enters drying cylinder coating, moisture control is between 45～60%, is coated at dryer surface
Processing, surface temperature of drier controls 110 DEG C ± 3, and applicator roll is positioned at drying cylinder center, and coating uses papermaking Special emulsion
(vitrification point is negative 15 DEG C), is added with 1wt% hydrophilizing agent and 0.3% antiseized auxiliary agent in coating fluid, addition is with papermaking
The quality of Special emulsion is 100% meter.
After being coated with wrinkling at dryer surface, when dryer surface is wrinkling, creping doctor Ceramics is wrinkling special scrapes
Cutter；Cylinder is dried ornamenting to group, cooling is batched, rewind slitting, packaging have put production in storage.
Gained note detection data are as follows:
It is quantitative: 35.7g/,
Thickness: 0.091mm,
Machine direction tensile strength: 16.5N/cm,
Cross direction tensile strength: 12.5N/cm,
Longitudinal wet is strong: >=3.5N/cm,
Longitudinal tensile strain rate: 12.6%,
Water absorption: 67.4g/,
Moisture content: 5.2%.
Products obtained therefrom is through inspection: sheet softness, formation of sheet, tensile strength, water absorbing properties, wet epistasis are good, solvent resistant
Property etc. is all higher than foreign paper, and customer responsiveness is good.
Embodiment 3 (product specification 40g/):
The production technology of a kind of wrinkle cleansing tissue, specifically includes following steps:
A, pure wood pulp carry out mill making beating after hydrabrusher size degradation, and prepared concentration is 3.5～4.0wt%, beating degree
The slurry of 18～20 ° of SR；
B, ultrashort viscose fiber mix with described slurry after fluffer is evacuated, and obtain mixed slurry, and mixed slurry contains
95wt% wood pulp and 5wt% ultrashort viscose fiber, slurry concentration is 2.0wt%；
C, addition softening agent for paper, auxiliary agent and wet strength agent, mixing in slurry, become through oblique net papermaking wet end former wet method
Shape, squeezing and suction box are dehydrated, enter vat preliminary drying through carrying roller.Vat preliminary drying uses the vat of diameter 3.5 meters, pacifies on vat
Filling two suspended hoods, upper suspended hood is high speed hot blast Yankee gas hood, and lower suspended hood is plain type fan housing, and lower suspended hood connects to be taken out
Blower fan, lower suspended hood is between carrying roller and applicator roll.
With the oven dry stock gauge of pure wood pulp, the consumption of softening agent for paper is 0.5wt%, and the consumption of wet strength agent is 0.4wt%,
Described auxiliary agent is polyethylene glycol oxide, and addition is calculated as 0.3wt% with the oven dry stock amount of pure wood pulp.
D, the body paper of entrance vat are coated at big dryer surface, and spread requires to control 2～5g/m according to paper2
In the range of, coating process is: when body paper enters drying cylinder coating, moisture control is between 50～60%, is coated at dryer surface
Processing, surface temperature of drier controls 110 DEG C ± 3, and applicator roll is positioned at drying cylinder center, and coating uses papermaking Special emulsion
(vitrification point is negative 15 DEG C), is added with 1wt% hydrophilizing agent and 0.5% antiseized auxiliary agent in coating fluid, addition is with papermaking
The quality of Special emulsion is 100% meter.
After being coated with wrinkling at dryer surface, when dryer surface is wrinkling, creping doctor Ceramics is wrinkling special scrapes
Cutter；Cylinder is dried ornamenting to group, cooling is batched, rewind slitting, packaging have put production in storage.
Gained note detection data are as follows:
It is quantitative: 40.1g/,
Thickness: 0.105mm,
Machine direction tensile strength: 17N/cm,
Cross direction tensile strength: 14.5N/cm,
Longitudinal wet is strong: >=3.6N/cm,
Longitudinal tensile strain rate: 12.8%,
Water absorption: 74.5g/,
Moisture content: 5.2%.
Products obtained therefrom is through inspection: sheet softness, formation of sheet, tensile strength, water absorbing properties, wet epistasis are good, solvent resistant
Property etc. is all higher than foreign paper, and customer responsiveness is good.
Embodiment described above is the one preferably scheme of the present invention, not makees the present invention any pro forma
Limit, on the premise of without departing from the technical scheme described in claim, also have other variant and remodeling.
Claims (9)
1. the production technology of a wrinkle cleansing tissue, it is characterised in that this technique comprises the steps:
A, pure wood pulp carry out mill making beating after hydrabrusher size degradation, and prepared concentration is 3.5 ~ 4.0 wt%, beating degree 18 ~ 20
The slurry of SR；
B, ultrashort viscose fiber mix with described slurry after fluffer is evacuated, and obtain mixed slurry, and mixed slurry contains 80-
95wt% wood pulp and 5-20 wt % ultrashort viscose fiber, slurry concentration is 2.0-2.5wt%；
C, in slurry, add softening agent for paper, auxiliary agent and wet strength agent, mixing, wet-formed through oblique net papermaking wet end former,
Squeezing and suction box are dehydrated, enter vat preliminary drying through carrying roller；
D, the body paper of entrance vat are coated at big dryer surface, and spread requires to control at 2 ~ 5g/m according to paper2Scope
In, then wrinkling at dryer surface, cylinder is dried ornamenting to group, cooling is batched, rewind slitting, packaging have put production in storage.
Production technology the most according to claim 1, it is characterised in that: coating process is: water when body paper enters drying cylinder coating
Part controls between 45 ~ 60%, is coated processing at dryer surface, and applicator roll is positioned at drying cylinder center, selects and make during coating
Paper Special emulsion, is added with 1-2wt% hydrophilizing agent and the antiseized auxiliary agent of 0.1-0.5% in coating fluid, addition is with the special breast of papermaking
The quality of glue is 100% meter.
Production technology the most according to claim 2, it is characterised in that: Step d uses vitrification point to bear 40 DEG C for negative 15-
Solvent resistant latex be coated.
Production technology the most according to claim 1, it is characterised in that: described pure wood pulp is Canada's north wood wood pulp.
Production technology the most according to claim 1, it is characterised in that: with the oven dry stock gauge of pure wood pulp, softening agent for paper
Consumption be 0.2 ~ 0.5 wt%, the consumption of wet strength agent is 0.4 ~ 0.6 wt%, and described auxiliary agent is polyethylene glycol oxide, addition with
The oven dry stock amount of pure wood pulp is calculated as 0.1 ~ 0.3wt%.
Production technology the most according to claim 1, it is characterised in that: described vat preliminary drying uses the vat of diameter >=3 meter,
Installing two suspended hoods on vat, upper suspended hood is high speed hot blast Yankee gas hood, and lower suspended hood is plain type fan housing, lower air draught
Cover connection has air exhauster, and lower suspended hood is between carrying roller and applicator roll.
Production technology the most according to claim 1, it is characterised in that: the creping doctor Ceramics when dryer surface is wrinkling
Wrinkling Special scraper knife.
Production technology the most according to claim 1, it is characterised in that: the surface temperature of drier of vat control 110 DEG C ±
3。
9. the wrinkle cleansing tissue that the production technology described in a claim 1 prepares.
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| Publication number | Priority date | Publication date | Assignee | Title |
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| CN108221490A (en) * | 2018-01-17 | 2018-06-29 | 杭州景森科技有限公司 | A kind of transfering tape impregnates release paper production technology |
| CN108842501A (en) * | 2018-05-21 | 2018-11-20 | 浙江永鑫特种纸有限公司 | Absorb water crimped paper production method |
| CN110820421A (en) * | 2019-11-13 | 2020-02-21 | 衢州龙游双熊猫纸业有限公司 | Production method of paper towel or kitchen paper and preparation method of paper |
| CN113699825A (en) * | 2021-08-31 | 2021-11-26 | 田家辉 | Non-breakable toilet paper and preparation method thereof |
| CN116716763A (en) * | 2023-07-17 | 2023-09-08 | 北京爱克尔卫生用品有限公司 | Production method of reinforced crepe wiping paper |
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