CN102505572A - Method for producing noodle packing paper - Google Patents
Method for producing noodle packing paper Download PDFInfo
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- CN102505572A CN102505572A CN2011103424793A CN201110342479A CN102505572A CN 102505572 A CN102505572 A CN 102505572A CN 2011103424793 A CN2011103424793 A CN 2011103424793A CN 201110342479 A CN201110342479 A CN 201110342479A CN 102505572 A CN102505572 A CN 102505572A
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Abstract
The invention relates to a method for producing noodle packing paper, which is mainly characterized by comprising the following steps of: blending poplar chemical mechanical pulp, bleached sulfate softwood pulp and bleached sulfate hardwood pulp serving as fiber raw materials, treating by using a thick pulp sieve, seasoning, slushing, desanding and degassing, sizing, performing fine screening, dewatering and forming a mesh part, squeezing, before-drying, performing surface sizing, after-drying, calendering, reeling, and packing, wherein the weight percent ratio of the poplar chemical mechanical pulp to the bleached sulfate softwood pulp to the bleached sulfate hardwood pulp is (16-25):(25-35):(45-55); during surface sizing, a lubricant and enzyme converted starch are mainly involved and compounded in a weight ratio of (1-5):20; and the glue concentration of the surface of the starch is 6 to 8 percent, and sizing amount is 1 to 4g/cm<2>. The food grade lubricant is used for surface sizing to improve the friction coefficient of a paper surface, the high-yield chemical mechanical pulp is used for making the noodle packing paper by optimizing the process, and the smoothness of the paper surface still can be ensured under the condition that pulping energy consumption is greatly reduced.
Description
Technical field
The present invention relates to a kind of production method of wrapping paper, particularly a kind of production method of noodles wrapping paper.
Background technology
For a long time, plastic products are used in packaging for foodstuff in a large number, and owing to the difficult degradation of the plastics utmost point, plastic garbage intractable, food uses plastics package in a large number, is prone to cause the wasting of resources and environmental pollution, and food-packaging bag becomes one of the main source of " white pollution ".Therefore, developed country launches respectively the plastics packed use of regulation limitations.For building " environmental friendliness, resources conservation " society, China forbids producing, selling and uying the super-thin plastic shopping bag from June 1st, 2008, and rules such as execution plastic shopping bag paid utilization system limit the use of plastic shopping bag.Food wrapper is mainly used in the substitute of food plastic bag, develops biodegradable food wrapper substituted for plastic packing, helps building " amphitypy " society, helps advancing energy-saving and emission-reduction, minimizing " white pollution ", preserves the ecological environment.
One Chinese patent application numbers 200410050681.9 discloses a kind of cornstalk that utilizes and has made the method that non-chlorine bleaching pulp is produced food wrapper and cultural paper.With cornstalk or to remove the marrow cornstalk be raw material, boiling has used sulphur or sulphur urine to be that auxiliary agent, urea and NaOH are buffer with sulfite pulping; Bleaching adopts oxonium base extracting and reinforcement hydrogen peroxide to float; Product does not contain organic chloride and hypertoxic dioxin carcinogen.But this method is raw material with the cornstalk, and digestant is an ammonium sulfite etc., in pulping process, is difficult to solve problem of environmental pollution, and digestion time is long, and energy consumption is high, becomes the paper physical strength poor, and the product applicability is not strong.
One Chinese patent application numbers 200910043433.4 discloses food wrapper and production method thereof.Be raw material with timber through the DDS displacement cooking, wash sieve, oxygen delignification, hydrogen peroxide bleaching and process little the float slurry of whiteness, join and copy food wrapper at 22-36%.Adopt full chemical wood pulp production, paper pulp yield, resource utilization are low; This product whiteness is low, and is of low grade, the scope of application of limits product.
The main existence of domestic noodles packing: use raw and auxiliary material, difficult technique to reach cleaner production and give birth to requirement, product difficulty meets " food containers, packing village material use sanitary standard with additive " (GB9685); Adding noodles, noodles fracture appear in the noodles packaging process spoiling easily and paper is damaged and problem, domestic many producers have carried out a large amount of explorations, still difficulty reaches customer satisfaction system packing effect.
Summary of the invention
The subject matter that the present invention solves is to invent a kind of noodles wrapping paper that the paper coefficient of friction is low, intensity is high, whiteness is high, meet the packaging for foodstuff hygienic requirements that has, and the production process energy consumption is low simultaneously, pollutes the method low, that resource utilization is high.
For solving the problems of the technologies described above; The present invention adopts following technical scheme: a kind of production method of noodles wrapping paper; It is characterized in that: join as fibrous raw material with poplar machine slurry, bleached sulphate softwood pulp and BRATSK and copy, through underflow sieve, condiment, dash slurry, desanding degasification, starching, fine screen, wet end dewater moulding, squeezing, preceding drying, top sizing, after drying, press polish, batch, packing forms; The percentage by weight poplar machine slurry of poplar machine slurry, bleached sulphate softwood pulp and three kinds of slurries of BRATSK: the bleached sulphate softwood pulp: BRATSK is: 16-25%: 25-35%:45%-55%; Mainly contain in the top sizing lubricant and enzyme converted starch; Lubricant and top sizing enzyme converted starch are pressed (1-5): 20 part by weight carries out composite; Starch surface glue agent concentration 6-8%, applying glue 1-4g/m
2
Poplar machine slurry described in the technical scheme of the present invention is processed the whiteness 75-78%ISO of slurry for the aspen fibers by using silicon raw material adopts the PRC-APMP pulping process; Bleached sulphate softwood pulp, BRATSK beating consistency 3.5-4.5%, beating degree is respectively 36-40 after the beating degree
0SR and 20-25
0SR.
Lubricant described in the technical scheme of the present invention is the food-grade calcium stearate, and the top sizing enzyme converted starch is with amylase degrading maize or wood work ative starch products obtained therefrom.
The noodles wrapping paper major parameter that the present invention makes is quantitative 50-80g/m
2, single face static friction coefficient is lower than 0.35, and moving mill coefficient of friction is lower than 0.3, burst index>=1.6kPa.m
2/ g, tensile index>=35N.m/g, lead content≤5mg/kg, arsenic content≤1mg/kg, Decolorant Test is negative, can not detect salmonella, Shigella, staphylococcus aureus, and paper color is a white, whiteness 80-82%ISO.
The present invention adopts preferred raw and auxiliary material and chemicals, makes poisonous chemical analysis such as not containing organic chloride in the raw material; The research food-grade-lubricant is used for top sizing and improves the paper coefficient of friction, produces that the paper coefficient of friction is low, intensity is high, whiteness is higher, meets the noodles wrapping paper of packaging for foodstuff hygienic requirements, and the production process energy consumption is low simultaneously, pollute low, resource utilization is high.Main innovate point of the present invention is: preferred raw and auxiliary material and chemicals, and use chlorine-free bleaching kp softwood pulp, chlorine-free bleaching sulfate hardwood pulp and change machine slurry to join and copy as fibrous raw material, do not contain poisonous chemical analysis such as organic chloride in the raw material; The product surface applying glue adopts amylase that corn or wood work ative starch are degraded, to human non-toxic, and environmentally safe; And chemicals such as the oxidized starch that the conventional surface applying glue is used employing hypochlorite carry out degenerative treatments, and the cost of existence is high, contaminated environment, the problem of toxic side effect; Select the slurry of no fluorescent material for use, or, eliminate fluorescent material in the slurry through using special auxiliary agent; Adopt food-grade-lubricant to be used for top sizing and improve the paper coefficient of friction, nontoxic pollution-free, simultaneously; Owing to obtained to be lower than 0.3 dyanainic friction coefficient; Make and carry out easily that paper is difficult for galling, can require to descend its damage resistibility at packaging operation; Can improve the high yield pulp usage ratio, thereby practice thrift the consumption of wooden resource; Product through optimizing making beating and wet end drainage, adopts organic ultra micron to help retention system in process of production; Improve the slurry water filtering performance; Control lower white water consistency (below 0.2%), thereby improve system's clean level, do not use preservative agent or bactericide aborning from the durable product that makes; Optimize the pearl filler particle size range, the pearl filler particle diameter distributes rationally, is lower than 5% less than 1 micron filler, is lower than 5% greater than 10 microns fillers.Effectively reduced filler to intensity effect; Employing contains the ternary retention aid and filtering aid system of organic fine particles, and through key process parameters such as effective optimization online concentration, slurry network speed ratio, vacuum and line pressures, obtains reasonable formation of sheet, banner and fiber alignment; Product carries out top sizing, mainly contains in the top sizing lubricant and enzyme converted starch; Lubricant and top sizing enzyme converted starch are pressed (1-5): 20 part by weight carries out composite; Starch surface glue agent concentration 6-8%, applying glue 1-4g/m
2Make surface strength of paper more than 1.2m/s (in sticking oil), can satisfy the print surface requirement of strength fully; Product adopts lubricant (food-grade calcium stearate) to add the method in the top sizing to, effectively reduces the paper coefficient of friction; Optimize the pearl filler particle diameter and enclose, the pearl filler particle diameter is lower than 5% less than 1 micron filler in distributing, and is lower than 5% greater than 10 microns fillers; Adopt soft calendaring, smoothness is controlled at more than the 70s.
The present invention adopts food-grade-lubricant to be used for top sizing to improve the paper coefficient of friction first; Make high yield machine slurry be used for copying joining of noodles wrapping paper through optimizing technology; And, still can guarantee the level and smooth performance of paper reducing (leaf wood chemical pulp beating degree can be controlled in 25 degree) under the beating energy consumption situation significantly.In addition, owing to obtained to be lower than 0.3 dyanainic friction coefficient, make and carry out easily that paper is difficult for galling, can require to descend, can making machine starch and the hardwood pulp ratio reaches 80% its damage resistibility at packaging operation, relative pure paper, its product price ratio is higher.
It is that raw material is joined and copied wrapping paper that creativeness of the present invention mainly adopts high yield pulp, meets nation-building conservation-minded society and develops a circular economy relevant policies, belongs to a kind of environmentally friendly machine.
The specific embodiment
Through embodiment the present invention is done detailed explanation below:
Embodiment 1
The poplar raw material adopts PRC-APMP (P represents the preliminary treatment before the defibrination, represents mill to promote the chemical action of slurry, and APMP represents APMP) pulping process to process whiteness 75%ISO, beating degree 48 through getting the raw materials ready
0SR poplar machine slurry, the bleached sulphate softwood pulp of outsourcing pulls an oar 36
0SR, BRATSK pull an oar 22
0SR; Above-mentioned three kinds of slurries in 20% poplar machine starch, 30% bleached sulphate softwood pulp, 50% BRATSK ratio join slurry; Mix disposed slurry and be deployed into concentration 3.5%, through the underflow sieve, condiment adds the starch reinforcing agent; Dash slurry, desanding degasification, starching, fine screen again, drying, press polish after go up the net forming dehydration (control online concentration 0.8%, the pH value 7.0 of surfing the Net), the squeezing, preceding drying, top sizing, batch, packing forms the noodles wrapping paper.
Surface sizing technique: starch surface glue agent concentration 8%, resin added 4g/m
2, add lubricant (food-grade calcium stearate) in the sizing agent, consumption 2kg/ ton paper.
Through recording gained wrapping paper moisture content 7.6%, whiteness 80.1% (ISO), form and aspect L value 90, a* value 2.5, b* value 3.2, quantitatively 60g/m
2, static friction coefficient 0.311, moving mill coefficient of friction 0.220, burst index>=1.6kPa.m
2/ g, tensile index>=35N.m/g, lead content (in Pb)≤5mg/kg, arsenic content (in As)≤1mg/kg, Decolorant Test is negative, can not detect salmonella, Shigella, staphylococcus aureus.
Embodiment 2
The poplar raw material adopts PRC-APMP (P represents the preliminary treatment before the defibrination, represents mill to promote the chemical action of slurry, and APMP represents APMP) pulping process to process whiteness 78%ISO, beating degree 45 through getting the raw materials ready
0SR poplar machine slurry, the bleached sulphate softwood pulp of outsourcing pulls an oar 40
0SR, BRATSK pull an oar 25
0SR; Above-mentioned three kinds of slurries in 25% poplar machine starch, 25% bleached sulphate softwood pulp, 50% BRATSK ratio join slurry; Mix disposed slurry and be deployed into concentration 3.5%, through the underflow sieve, condiment adds the starch reinforcing agent; Dash slurry, desanding degasification, starching, fine screen again, drying, press polish after go up the net forming dehydration (control online concentration 0.8%, the pH value 7.0 of surfing the Net), the squeezing, preceding drying, top sizing, batch, packing forms the noodles wrapping paper.
Surface sizing technique: starch surface glue agent concentration 8%, resin added 3g/m
2, add lubricant (food-grade calcium stearate) in the sizing agent, consumption 5kg/ ton paper.
Through recording gained wrapping paper moisture content 7.5%, whiteness 81.1% (ISO), form and aspect L value 91, a* value 2.5, b* value 3.2, quantitatively 60g/m
2, static friction coefficient 0.30, moving mill coefficient of friction 0.210, burst index>=1.7kPa.m
2/ g, tensile index>=36N.m/g, lead content (in Pb)≤4.5mg/kg, arsenic content (in As)≤1mg/kg, Decolorant Test is negative, can not detect salmonella, Shigella, staphylococcus aureus.
Claims (4)
1. the production method of a noodles wrapping paper; It is characterized in that: join as fibrous raw material with poplar machine slurry, bleached sulphate softwood pulp and BRATSK and copy, through underflow sieve, condiment, dash slurry, desanding degasification, starching, fine screen, wet end dewater moulding, squeezing, preceding drying, top sizing, after drying, press polish, batch, packing forms; The percentage by weight poplar machine slurry of poplar machine slurry, bleached sulphate softwood pulp and three kinds of slurries of BRATSK: the bleached sulphate softwood pulp: BRATSK is: 16-25%: 25-35%:45%-55%; Mainly contain in the top sizing lubricant and enzyme converted starch; Lubricant and top sizing enzyme converted starch are pressed (1-5): 20 part by weight carries out composite; Starch surface glue agent concentration 6-8%, applying glue 1-4g/m
2
2. according to the production method of the said noodles wrapping paper of claim 1, it is characterized in that: described poplar machine slurry is processed the whiteness 75-78%ISO of slurry for the aspen fibers by using silicon raw material adopts the PRC-APMP pulping process; Bleached sulphate softwood pulp, BRATSK beating consistency 3.5-4.5%, beating degree is respectively 36-40 after the beating degree
0SR and 20-25
0SR.
3. according to the production method of the said noodles wrapping paper of claim 1, it is characterized in that: lubricant is the food-grade calcium stearate, and the top sizing enzyme converted starch is with amylase degrading maize or wood work ative starch products obtained therefrom.
4. according to the production method of the described noodles wrapping paper of claim 1-3, it is characterized in that: the noodles wrapping paper major parameter that makes is quantitative 50-80g/m
2, single face static friction coefficient is lower than 0.35, and moving mill coefficient of friction is lower than 0.3, burst index>=1.6kPa.m
2/ g, tensile index>=35N.m/g, lead content≤5mg/kg, arsenic content≤1mg/kg, Decolorant Test is negative, can not detect salmonella, Shigella, staphylococcus aureus, and paper color is a white, whiteness 80-82%ISO.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103424793A CN102505572A (en) | 2011-11-03 | 2011-11-03 | Method for producing noodle packing paper |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2011103424793A CN102505572A (en) | 2011-11-03 | 2011-11-03 | Method for producing noodle packing paper |
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| CN102505572A true CN102505572A (en) | 2012-06-20 |
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| CN2011103424793A Pending CN102505572A (en) | 2011-11-03 | 2011-11-03 | Method for producing noodle packing paper |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183487A (en) * | 2018-08-08 | 2019-01-11 | 岳阳林纸股份有限公司 | A kind of manufacturing method of salt wrapping paper |
| CN110318280A (en) * | 2019-04-26 | 2019-10-11 | 浙江科技学院 | A kind of food contact paper top sizing function additive processing technology and gelating device |
| CN110468624A (en) * | 2019-08-08 | 2019-11-19 | 岳阳林纸股份有限公司 | A kind of manufacturing method of high-end noodle packing paper |
| 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 |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1497100A (en) * | 2002-10-22 | 2004-05-19 | 王子制纸株式会社 | Coated paper |
| CN101555672A (en) * | 2009-05-18 | 2009-10-14 | 永州湘江纸业有限责任公司 | Food wrapper and manufacturing method thereof |
-
2011
- 2011-11-03 CN CN2011103424793A patent/CN102505572A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN1497100A (en) * | 2002-10-22 | 2004-05-19 | 王子制纸株式会社 | Coated paper |
| CN101555672A (en) * | 2009-05-18 | 2009-10-14 | 永州湘江纸业有限责任公司 | Food wrapper and manufacturing method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 王强 等: "高得率制浆技术的发展及装备", 《天津造纸》 * |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109183487A (en) * | 2018-08-08 | 2019-01-11 | 岳阳林纸股份有限公司 | A kind of manufacturing method of salt wrapping paper |
| CN110318280A (en) * | 2019-04-26 | 2019-10-11 | 浙江科技学院 | A kind of food contact paper top sizing function additive processing technology and gelating device |
| CN110318280B (en) * | 2019-04-26 | 2021-06-25 | 浙江科技学院 | Functional additive processing gelatinization device for surface sizing of paper for food contact |
| CN110468624A (en) * | 2019-08-08 | 2019-11-19 | 岳阳林纸股份有限公司 | A kind of manufacturing method of high-end noodle packing paper |
| 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 |
| CN113201972B (en) * | 2021-05-25 | 2022-02-22 | 岳阳林纸股份有限公司 | Plastic-removing food paper and preparation method thereof |
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Application publication date: 20120620 |