CN110318302A - A kind of manufacturing method of straw paper - Google Patents
A kind of manufacturing method of straw paper Download PDFInfo
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- CN110318302A CN110318302A CN201910471036.0A CN201910471036A CN110318302A CN 110318302 A CN110318302 A CN 110318302A CN 201910471036 A CN201910471036 A CN 201910471036A CN 110318302 A CN110318302 A CN 110318302A
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- paper
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- straw
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21J—FIBREBOARD; MANUFACTURE OF ARTICLES FROM CELLULOSIC FIBROUS SUSPENSIONS OR FROM PAPIER-MACHE
- D21J3/00—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds
- D21J3/04—Manufacture of articles by pressing wet fibre pulp, or papier-mâché, between moulds of tubes
Abstract
The invention discloses a kind of manufacturing methods of straw paper, including mashing, with slurry, auxiliary material are added, l Water Paper is manufactured paper with pulp, preceding drying, top sizing, rear drying, press polish, batches these processing steps, suction pipe paper belongs to food paper, meet food paper hygienic requirements, the preferred raw and auxiliary material of the present invention and chemicals, match as fibrous raw material and copy using chlorine-free bleaching kp softwood pulp, chlorine-free bleaching sulfate hardwood pulp, it is harmless without toxic chemicals composition, environmentally-friendly sanitaries such as organic chlorides in raw material.The product dry strength is good, continuous paper, and wet strength is high, and humidity resistance is good, can fast degradation, meet environmental requirements, while meeting food paper hygienic requirements.
Description
Technical field
The invention belongs to paper technologies, and in particular to a kind of manufacturing method of straw paper.
Background technique
Plastic production is widely used in straw currently on the market, due to the extremely difficult natural degradation of plastics, causes serious
Environmental pollution, the use of some developed countries restricted part plastic suction pipe.Paper straw has been widely used in external straw
Substituted for plastic suction pipe, paper straw paper and suction pipe process equipment technology are mature, and the country has introduced suction pipe paper processing equipment, inhale
Pipe paper is still in development phase.For this purpose, exploitation suction pipe paper, reduce white pollution, be both trend of the times, and benefit the nation and the people it is good
Thing.
Suction pipe paper product requires to meet food paper hygienic requirements, does, wet strength height, humidity resistance is good, while can be fast
Prompt drop solution, meets environmental requirements, and any slurry containing fluorescent material, auxiliary agent and plain boiled water etc., institute are forbidden to use in production process
There is addition chemicals to meet food hygiene requirement, production board obtains food paper production licence.
Summary of the invention
Aiming at the problems existing in the prior art, the purpose of the present invention is to provide a kind of manufacturers of straw paper
The suction pipe paper of method, this method manufacture has dry strength good, continuous paper, and wet strength is high, and humidity resistance is good, can fast degradation, it is full
The characteristics of toe ring guaranteed request, while meeting food paper hygienic requirements.
In order to achieve the above object, the technical solution adopted by the present invention is that:
A kind of manufacturing method of straw paper, including mashing, with slurry, auxiliary material are added, l Water Paper is manufactured paper with pulp, preceding drying, top sizing,
Afterwards drying, press polish, batch these processing steps, wherein mashing be with bleached sulphate softwood pulp and bleached sulphate leaf wood
Slurry is fibrous raw material, first distinguishes pulping with pulper, is then beaten with beater, beating consistency 3.0-4.0%, is beaten beating
Degree is respectively 43-47 ° of SR and 33-37 ° of SR；It is put into after mashing in stock proportioner and carries out with slurry, obtained slurry after the completion of with slurry and pour into
Machine chest.
Further, the weight percent of bleached sulphate softwood pulp and bleached sulphate hardwood pulp when described with slurry
It is respectively as follows: 40%-45%, 55%-60%.
Further, auxiliary material includes with the total slurry weight percentages of Zhan in the auxiliary material addition: AKD glue 0.5-1.0%,
CMC 0.35-0.40%, wet strength agent 3.0-4.0%, remover 0.02-0.03%, light calcium+coarse whiting 6%.
Further, the concrete operations that the auxiliary material is added are as follows: slurry is pumped to header box from machine chest, is added
AKD glue and the wet strength agent in auxiliary material are stated, scummer is pumped into using fan pump, pressurized screen is sent into after slagging-off, CMC is added to
Pressurized screen import obtains mixed slurry；Then mixed slurry is delivered in steady position case, light calcium and coarse whiting is added after mixing
It is sent into head box, the head box opening degree of slice lip is 12.0-13.0mm.
Further, the l Water Paper is manufactured paper with pulp are as follows: the approach flow of auxiliary material will be added, is carried out double dewatering by folded net, protect
Card fiber is uniformly dispersed, vertically and horizontally fiber alignment is orderly and is uniformly distributed, wherein network speed 600m/min, jet-wire ratio 1.020,
Surf the Internet concentration 0.6-0.7%, obtains l Water Paper page subsequently into press section unipress.
Further, three squeezing line pressures are respectively in the press section: a crimping pressure: 80kN/m, two crimping pressures
Power: 85kN/m；Three crimping pressure: 115kN/m；And the remover of above-mentioned weight percent is added in squeezing, it is viscous to reduce page
Roller breaks paper.
Further, in the preceding drying process, by wet paper page drying position to mass dryness fraction 95%.
Further, the surface sizing technique uses film transfer top sizing, and table glue is made of polyvinyl alcohol and size-press starch,
Wherein the control of polyvinyl alcohol dosage is controlled in 3-4kg/ tons of paper, size-press starch dosage in 5-40kg/ tons of paper.
Further, it by top sizing treated l Water Paper page, is dried after to mass dryness fraction in 91-95%, then using pressure
Ray machine press polish, batches paper, and suction pipe paper can be obtained.
Further, resin added is controlled in 2.0-4.0g/m when the top sizing2, the control of sizing concentration is in 10-12%, sizing
Portion page tension 80-120N/m2, sizing pressure is 0.36/0.24MPa.
The beneficial effects of the present invention are: (1) suction pipe paper belongs to food paper, meet food paper hygienic requirements, the present invention
It is preferred that raw and auxiliary material and chemicals, make fiber using chlorine-free bleaching kp softwood pulp, chlorine-free bleaching sulfate hardwood pulp
Raw material carries out that it is harmless to be free of toxic chemicals composition, the environmentally-friendly sanitaries such as organic chloride in raw material with copying；
(2) addition wet strength agent greatly improves paper wet strength in slurry of the present invention in header box, and it is dry to help to improve paper
Intensity.It is beaten by optimization, improves paper dry strength, guaranteed in the higher tensile property of paper and user's process not
Disconnected paper；Using CMC Retention Aid System, CMC is added to pressurized screen import, improves wet end and keeps, reduce wet strengthening agent, avoid wet
Strong agent dosage is too big, impacts to production run.While improving formation of sheet, in production process, on effectively optimizing
The key process parameters such as net concentration, jet-wire ratio, vacuum degree and line pressure, improve slurry water filtering performance, it is dense to control lower plain boiled water
It spends (0.2% or less), to improve system clean level, does not use preservative or fungicide in production, the paper of acquisition is even
Degree, the uniform surfacing of banner are all relatively good；
(3) the top sizing processing that the present invention uses, improves paper surface properties, surface is combined, not hair loss；Product surface is applied
Glue with starch using amylase to corn or cassava ative starch carry out degradation be prepared in situ, it is nontoxic to the human body, to environment without
Pollution；And the oxidized starch that conventional surface sizing uses carries out denaturation treatment, existing cost using chemicals such as hypochlorites
The problem of height, pollution environment, toxic side effect；
(4) the suction pipe paper of the said firm's exploitation, uses by client and information is fed back, and unanimously thinks that the product dry strength is good, constantly
Paper, wet strength are high, and humidity resistance is good, can fast degradation, meet environmental requirements, while meeting food paper hygienic requirements.
Detailed description of the invention
Fig. 1 is the manufacturing process flow diagram of suction pipe paper.
Specific embodiment
For a better understanding of the present invention, embodiment of the present invention is described in detail below with reference to embodiment, but
It is it will be understood to those of skill in the art that the following example is merely to illustrate the present invention, and is not construed as limiting model of the invention
It encloses.
1:120 grams of suction pipe paper of embodiment
First with pulper respectively by bleached sulphate softwood pulp and bleached sulphate hardwood pulp pulping, be then beaten respectively to
46 ° of SR and 37 ° of SR of beating degree, beating consistency 3.0%, by 40% bleached sulphate softwood pulp, 60% bleached sulphate leaf wood
Slurry ratio carry out it is with slurry obtains slurry, slurry is pumped to header box from machine chest, adds AKD glue 0.5% in auxiliary material and wet
Strong agent 4.0%, is pumped into scummer using fan pump, pressurized screen is sent into after slagging-off, CMC0.40% is added to pressurized screen import；
Then mixed slurry is delivered in steady position case, the light calcium+coarse whiting for being added 6% is sent into head box after mixing, head box lip
Plate aperture is 13.0mm, carries out double dewatering by folded net, guarantees that fiber is uniformly dispersed, vertically and horizontally fiber alignment is orderly and uniform
Distribution, wherein network speed 600m/min, jet-wire ratio 1.020, concentration 0.6% of surfing the Internet are obtained subsequently into press section unipress
L Water Paper page, wherein press section line pressure is a crimping pressure: 80kN/m, two crimping pressure: 85kN/m；Three crimping pressure: 115kN/
m；And 0.02% remover is added in squeezing, the disconnected paper of page roll banding is reduced, then carry out the preceding dry page to mass dryness fraction 95% and enter
Surface-sizing station, using film transfer mode to paper carry out top sizing processing (surface sizing technique formula are as follows: polyvinyl alcohol+
Size-press starch)；Control sizing concentration is 12%, and two-sided resin added is in 2.0g/ m2, sizing portion page tension 120N/m2, sizing pressure
Power is 0.36MPa；Polyvinyl alcohol dosage is controlled in 4kg/ tons of paper, size-press starch dosage in 40kg/ tons of paper；It dries after to mass dryness fraction
Page 95% passes through calender (appropriate pressurization) press polish, then batches to paper, quantification of 120g/m can be obtained2
Suction pipe paper.
The suction pipe paper form and aspect raw white of above-described embodiment manufacture, organoleptic requirements and sanitary index meet national food safety standard
" food contact paper and paper board material and product " (GB4806.8-2016).Qualified suction can be produced according to process above
Pipe paper fully meets the quality requirement of client.
2:120 grams of suction pipe paper of embodiment
First with pulper respectively by bleached sulphate softwood pulp and bleached sulphate hardwood pulp pulping, be then beaten respectively to
43 ° of SR and 36 ° of SR of beating degree, beating consistency 4.0%, by 43% bleached sulphate softwood pulp, 57% bleached sulphate leaf wood
Slurry ratio carry out it is with slurry obtains slurry, slurry is pumped to header box from machine chest, adds AKD glue 0.8% in auxiliary material and wet
Strong agent 3.0%, is pumped into scummer using fan pump, pressurized screen is sent into after slagging-off, CMC0.36% is added to pressurized screen import；
Then mixed slurry is delivered in steady position case, the light calcium+coarse whiting for being added 6% is sent into head box after mixing, head box lip
Plate aperture is 12.0mm, carries out double dewatering by folded net, guarantees that fiber is uniformly dispersed, vertically and horizontally fiber alignment is orderly and uniform
Distribution, wherein network speed 600m/min, jet-wire ratio 1.020, concentration 0.7% of surfing the Internet are obtained subsequently into press section unipress
L Water Paper page, wherein press section line pressure is a crimping pressure: 80kN/m, two crimping pressure: 85kN/m；Three crimping pressure: 115kN/
m；And 0.03% remover is added in squeezing, the disconnected paper of page roll banding is reduced, then carry out the preceding dry page to mass dryness fraction 95% and enter
Surface-sizing station, using film transfer mode to paper carry out top sizing processing (surface sizing technique formula are as follows: polyvinyl alcohol+
Size-press starch)；Control sizing concentration is 10%, and two-sided resin added is in 4.0g/ m2, sizing portion page tension 80N/m2, it is glued pressure
For 0.24MPa；Polyvinyl alcohol dosage is controlled in 3kg/ tons of paper, size-press starch dosage in 5kg/ tons of paper；It dries after to mass dryness fraction and exists
Then 91% page batches paper by calender (appropriate pressurization) press polish, quantification of 120g/m can be obtained2It inhales
Pipe paper.
The suction pipe paper form and aspect raw white of above-described embodiment manufacture, organoleptic requirements and sanitary index meet national food safety standard
" food contact paper and paper board material and product " (GB4806.8-2016).Qualified suction can be produced according to process above
Pipe paper fully meets the quality requirement of client.
3:120 grams of suction pipe paper of embodiment
First with pulper respectively by bleached sulphate softwood pulp and bleached sulphate hardwood pulp pulping, be then beaten respectively to
47 ° of SR and 33 ° of SR of beating degree, beating consistency 3.5%, by 45% bleached sulphate softwood pulp, 55% bleached sulphate leaf wood
Slurry ratio carry out it is with slurry obtains slurry, slurry is pumped to header box from machine chest, adds AKD glue 1.0% in auxiliary material and wet
Strong agent 3.5%, is pumped into scummer using fan pump, be sent into after slagging-off pressurized screen into, CMC0.35% be added to pressurized screen into
Mouthful；Then mixed slurry is delivered in steady position case, the light calcium+coarse whiting for being added 6% is sent into head box after mixing, stream slurry
Case opening degree of slice lip is 12.8mm, carries out double dewatering by folded net, guarantee fiber be uniformly dispersed, vertically and horizontally fiber alignment orderly and
It is uniformly distributed, wherein network speed 600m/min, jet-wire ratio 1.020, concentration 0.64% of surfing the Internet, subsequently into press section unipress
L Water Paper page is obtained, press section line pressure is a crimping pressure: 80kN/m, two crimping pressure: 85kN/m；Three crimping pressure: 115kN/
m；And 0.025% remover is added in squeezing, the disconnected paper of page roll banding is reduced, then carry out the preceding dry page to mass dryness fraction 95% and enter
Surface-sizing station, using film transfer mode to paper carry out top sizing processing (surface sizing technique formula are as follows: polyvinyl alcohol+
Size-press starch)；Control sizing concentration is 11%, and two-sided resin added is in 3.0g/ m2, sizing portion page tension 100N/m2, sizing pressure
Power is 0.32MPa；Polyvinyl alcohol dosage is controlled in 3.5kg/ tons of paper, size-press starch dosage in 28kg/ tons of paper；It is dried after to dry
The page 93% is spent by calender (appropriate pressurization) press polish, and then paper is batched, quantification of 120g/ can be obtained
m2Suction pipe paper.
The suction pipe paper form and aspect raw white of above-described embodiment manufacture, organoleptic requirements and sanitary index meet national food safety standard
" food contact paper and paper board material and product " (GB4806.8-2016).Qualified suction can be produced according to process above
Pipe paper fully meets the quality requirement of client.
To above-described embodiment through measuring, the suction pipe paper main physical indexes are as shown in table 1:
1 suction pipe paper main physical indexes of table
It can be seen from Table 1 that suction pipe paper dry strength prepared by the present invention is good, continuous paper, wet strength is high, and humidity resistance is good, energy
Enough fast degradations, meet environmental requirements, while meeting food paper hygienic requirements.
The above-mentioned description to embodiment is understood for the ease of those skilled in the art and using the present invention.
Those skilled in the art easily can make various modifications to these embodiments, and General Principle described herein
It is applied in other embodiments, without having to go through creative labor.Therefore, the present invention is not limited to the above embodiments.This field
Technical staff's principle according to the present invention, does not depart from improvement that scope of the invention is made and modification all should be of the invention
Within protection scope.
Claims (10)
1. a kind of manufacturing method of straw paper, including mashing, with slurry, auxiliary material are added, l Water Paper is manufactured paper with pulp, preceding drying, surface are applied
Glue, press polish, batches these processing steps at rear drying, which is characterized in that wherein mashing is with bleached sulphate softwood pulp and drift
White sulfate hardwood pulp is fibrous raw material, first distinguishes pulping with pulper, is then beaten with beater, beating consistency 3.0-
4.0%, mashing beating degree is respectively 43-47 ° of SR and 33-37 ° of SR；Be put into after mashing in stock proportioner carry out it is with slurry, after the completion of with slurry
It obtains slurry and pours into machine chest.
2. a kind of manufacturing method of straw paper according to claim 1, which is characterized in that bleach sulphur when described with slurry
Hydrochlorate softwood pulp and the weight percent of bleached sulphate hardwood pulp are respectively as follows: 40%-45%, 55%-60%.
3. a kind of manufacturing method of straw paper according to claim 1, which is characterized in that auxiliary in the auxiliary material addition
Material includes with the total slurry weight percentages of Zhan: AKD glue 0.5-1.0%, CMC 0.35-0.40%, wet strength agent 3.0-4.0%, removing
Agent 0.02-0.03%, light calcium+coarse whiting 6%.
4. a kind of manufacturing method of straw paper according to claim 1, which is characterized in that the tool that the auxiliary material is added
Gymnastics conduct: being pumped to header box from machine chest for slurry, adds AKD glue and wet strength agent in above-mentioned auxiliary material, is starched using punching
Pump is pumped into scummer, is sent into pressurized screen after slagging-off, CMC is added to pressurized screen import and obtains mixed slurry；Then it will mix
It closes slurry to be delivered in steady position case, light calcium is added and coarse whiting is sent into head box after mixing, the head box opening degree of slice lip
For 12.0-13.0mm.
5. a kind of manufacturing method of straw paper according to claim 1, which is characterized in that the l Water Paper is manufactured paper with pulp are as follows:
The approach flow of auxiliary material will be added, double dewatering is carried out by folded net, guarantees that fiber is uniformly dispersed, vertically and horizontally fiber alignment is orderly
Be uniformly distributed, wherein network speed 600m/min, jet-wire ratio 1.020, surf the Internet concentration 0.6-0.7%, multiple subsequently into press section
Combined pressure squeezes to obtain l Water Paper page.
6. a kind of manufacturing method of straw paper according to claim 5, which is characterized in that three in the press section
Squeezing line pressure is respectively: a crimping pressure: 80kN/m, two crimping pressure: 85kN/m；Three crimping pressure: 115kN/m；And
The remover of above-mentioned weight percent is added in squeezing, reduces the disconnected paper of page roll banding.
7. a kind of manufacturing method of straw paper according to claim 1, which is characterized in that the preceding drying process
In, by wet paper page drying position to mass dryness fraction 95%.
8. a kind of manufacturing method of straw paper according to claim 1, which is characterized in that the surface sizing technique
Using film transfer top sizing, table glue is made of polyvinyl alcohol and size-press starch, and wherein the control of polyvinyl alcohol dosage is in 3-4kg/
Ton paper, size-press starch dosage are controlled in 5-40kg/ tons of paper.
9. a kind of manufacturing method of straw paper according to claim 1, which is characterized in that handled by top sizing
L Water Paper page afterwards is dried to mass dryness fraction in 91-95% after, then uses calender press polish, batch, can be obtained to paper
Suction pipe paper.
10. a kind of manufacturing method of straw paper according to claim 8, which is characterized in that when the top sizing
Resin added is controlled in 2.0-4.0g/m2, sizing concentration control is in 10-12%, sizing portion page tension 80-120N/m2, it is glued pressure
For 0.24-0.36MPa.
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Cited By (11)
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| CN112941964A (en) * | 2021-04-08 | 2021-06-11 | 山东仁丰特种材料股份有限公司 | Method for producing heat-sensitive base paper by fourdrinier vat paper machine |
| CN112982010A (en) * | 2021-03-29 | 2021-06-18 | 中国制浆造纸研究院衢州分院 | Production method of heat-sealable straw paper |
| CN113026430A (en) * | 2021-03-30 | 2021-06-25 | 山东仁丰特种材料股份有限公司 | Film transfer coating food paper of fourdrinier vat paper machine and preparation method thereof |
| CN113089362A (en) * | 2021-04-08 | 2021-07-09 | 山东仁丰特种材料股份有限公司 | Method for producing wine label base paper by fourdrinier vat paper machine |
| CN113201972A (en) * | 2021-05-25 | 2021-08-03 | 岳阳林纸股份有限公司 | Plastic-removing food paper and preparation method thereof |
| CN113580668A (en) * | 2021-07-22 | 2021-11-02 | 广西大学 | Preparation method of self-adhesive and water-stable paper straw |
| WO2022006608A1 (en) * | 2020-07-10 | 2022-01-13 | Mondi Ag | Method for producing a cellulose-fibre-based drinking straw |
| CN114108376A (en) * | 2021-11-25 | 2022-03-01 | 芬欧汇川(中国)有限公司 | Food contact paper, production method thereof and paper stick |
| CN114197245A (en) * | 2021-12-14 | 2022-03-18 | 浙江恒川新材料有限公司 | Heat-resistant paper in paper straw and preparation method thereof |
| CN114790666A (en) * | 2022-04-15 | 2022-07-26 | 山东仁丰特种材料股份有限公司 | High-stiffness straw base paper and preparation method thereof |
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| AT523915B1 (en) * | 2020-07-10 | 2022-01-15 | Mondi Ag | Process for the production of cellulose fiber-based drinking straws |
| CN115867706A (en) * | 2020-07-10 | 2023-03-28 | 盟迪股份有限公司 | Method for producing drinking straw based on cellulose fibres |
| WO2022006608A1 (en) * | 2020-07-10 | 2022-01-13 | Mondi Ag | Method for producing a cellulose-fibre-based drinking straw |
| AT523915A4 (en) * | 2020-07-10 | 2022-01-15 | Mondi Ag | Process for the production of cellulose fiber-based drinking straws |
| CN112982010A (en) * | 2021-03-29 | 2021-06-18 | 中国制浆造纸研究院衢州分院 | Production method of heat-sealable straw paper |
| CN113026430A (en) * | 2021-03-30 | 2021-06-25 | 山东仁丰特种材料股份有限公司 | Film transfer coating food paper of fourdrinier vat paper machine and preparation method thereof |
| CN113089362A (en) * | 2021-04-08 | 2021-07-09 | 山东仁丰特种材料股份有限公司 | Method for producing wine label base paper by fourdrinier vat paper machine |
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