CN102191724A - Preparation method of antibacterial spunlaced nonwoven interleaving paper - Google Patents
Preparation method of antibacterial spunlaced nonwoven interleaving paper Download PDFInfo
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- CN102191724A CN102191724A CN2010101241505A CN201010124150A CN102191724A CN 102191724 A CN102191724 A CN 102191724A CN 2010101241505 A CN2010101241505 A CN 2010101241505A CN 201010124150 A CN201010124150 A CN 201010124150A CN 102191724 A CN102191724 A CN 102191724A
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Abstract
The invention relates to a preparation method of antibacterial spunlaced nonwoven interleaving paper, comprising the following steps: (1) pulping 2.0-5.0wt% long fiber wood pulp to obtain full stuff, wherein the freeness of the full stuff is 300-650ml, the pulping degree is 18-40 degrees SR, and the length of the fiber in the full stuff is 1.5-3.0mm; (2) adding water into the full stuff to dilute the full stuff so as to regulate the concentration to 1.5-3.0wt%, and adding antibacterial fibre to blend the full stuff for 10-20 minutes; (3) purifying, screening, adding a dispersant, causing the mixture to pass through a stock discharge box, and screening by virtue of a net; and (4) manufacturing paper with pulp. The method disclosed by the invention has simple process, and the obtained spunlaced nonwoven has the advantages of excellent performance and stable quality, and completely conforms to the production requirement of the high-grade wood pulp compounded spunlaced nonwoven.
Description
Technical field
The present invention relates to field of papermaking, particularly, the present invention relates to a kind of preparation method with spunlace non-woven cloth lining paper of antibacterial functions.
Background technology
The spunlace non-woven cloth lining paper is to emerge rapidly and supporting with it a kind of new special industrial paper along with greatly developing of domestic water prick nonwoven cloth industry in recent years.This lining paper and chemical fibre layer (as polyster fibre layer, layer of polyester fiber, viscose layer, soybean fiber layer etc.) twine mutually to connect by fiber under the effect of high pressure liquid drugs injection and form the composite spunlaced cloth of wood pulp.This product has unique absorbability and superior dustless property, flexibility, static electricity resistance, do not damage body surface performance and tough characteristics such as durable, therefore is widely used in fields such as medical operating articles for use, industrial wiping, cosmetic paper tissue, industrial protection.The most of import of the capital equipment of the producer of the composite spunlaced cloth of the senior wood pulp of present domestic professional production, the automaticity height, detect automatically perfect, good quality of product, what the working width of production line had has reached more than 3.5 meters, and used nonwoven fabric lining paper some be from external import.Because the restriction and the formation of sheet of paper making equipment aspect require high factor, the therefore development of domestic relevant nonwoven fabric lining paper and produce fewer.Once reported as auspiciousization of Shandong scientific ﹠ technical corporation that developing a kind of water that is used for stung compound nonwoven fabric lining paper (company stops production), good luck Paper Co., Ltd in Ningbo succeeds in developing a kind of spunlace non-woven cloth lining paper, produces in batches at present.Current domestic because of paper making equipment and the restriction on manufacturing paper with pulp, the nonwoven fabric lining paper of being manufactured paper with pulp the evenness of paper and in aspect the physical and chemical performance and foreign paper still having certain gap, these have restricted the localization process of nonwoven fabric lining paper.
The composite spunlaced technology of wood pulp is development on the basis of common spun laced fabric, and it adds the layer of non-woven fabric lining paper aborning and carries out water and sting compound.For the toughness of the entanglement effect that improves fiber in the wood pulp cloth and wood pulp cloth and reduce and fall to consider to be worth doing phenomenon, in water thorn recombination process, body paper is had higher requirements, require body paper evenness good, papery softness and flexible, and the high ventilation performance is arranged.
Summary of the invention
The purpose of this invention is to provide a kind of preparation method with spunlace non-woven cloth lining paper of antibacterial functions.
In order to realize purpose of the present invention, the invention provides a kind of preparation method with spunlace non-woven cloth lining paper of antibacterial functions, this method comprises the following steps:
1) is that the long fiber wood pulp of 2.0 quality % to 5.0 quality % is pulled an oar to concentration, thereby obtains pulping.Making beating is to guarantee that water stings the key that compound wood pulp cloth has better intensity and toughness.In this step, preferably adopt the cutter head structure making beating, this structure had both made the fiber wire-dividing broom purification, and suitable cut-out function is arranged again.After making beating made pulping, preferably, the freedom of described pulping was 300 to 650ml, and beating degree is 18 to 40 ° of SR, and fibre length is 1.5 to 3.0mm in the described pulping.
In the present invention, " long fiber wood pulp " is technical term well-known to those skilled in the art, and it typically refers to the bleached sulphate softwood pulp, and the whiteness of wherein said long fiber wood pulp is more than 85%, surface cleaning immaculate, 0.3～2.0mm
2Tough dust is not more than 20/m
2, average fiber length is not less than 2.5mm.
Wherein, the freedom of pulping, beating degree and fibre length all are the technical parameters of those skilled in the art's numerical value.In the present invention, freedom, beating degree are measured according to GB/T 12660-1990 standard, and fibre length is measured according to the GB/T10336-1989 method.
2) thin up and be 1.5 quality % to 3.0 quality % with concentration adjustment in described pulping adds anti-bacterial fibre then and sizes mixing 10 to 20min;
In described step 2) in, the length of described anti-bacterial fibre is preferably 3 to 6mm, and the described addition of stating anti-bacterial fibre is preferably 0.50 to 10.0 weight % of described long fiber wood pulp dry weight.
In the present invention, described " anti-bacterial fibre " is meant the fiber with antibacterial functions, and this is well-known to those skilled in the art.
3) purify, screening through head box, is gone up net forming behind the adding dispersant then.Wherein preferably, slurry purification adopts desander, and pressurized screen is adopted in the slurry screening.
In described step 3), described dispersant is polyacrylamide or ethylene oxide ether polymer.The addition of described dispersant is preferably 0.02 to 0.1 weight % of described long fiber wood pulp dry weight.
Dispersant has good water-solubility and lubricity, and its aqueous solution has higher viscosity and splendid length of string.The interpolation of dispersant can keep relative sliding certain between the long fiber, reduces the poly-state of the wadding of fiber in the online forming process, delays dehydration, improves paper formation.The aqueous solution that adds fashionable common employing dispersant, and quantitatively add by screw pump.
4) manufacture paper with pulp.
In described step 4), described manufacturing paper with pulp preferably undertaken by the wet end shaker.Wherein, the frequency of described wet end shaker is preferably 80～200 times/min, and amplitude is preferably 5～20mm.
After manufacturing paper with pulp, preferably also comprise moulding, squeezing, drying and batch step.Moisture is for being not more than 5% after described curling step.
In method of the present invention, preferably need carry out cleaner production.For example, approach system and slurry conveyance conduit adopt stainless steel or rigid plastics manufacturing, stock tank inner lining glass fiber reinforced plastic or epoxy resin adopt three sections desanders to carry out slurry purification simultaneously, strengthen screening, fully remove impurity such as fibre bundle in the slurry, dust, can effectively improve clean hygienic requirements the nonwoven fabric lining paper.
The method of the invention technology is simple, and the main performance index of the anti-bacterial water prick nonwoven cloth lining paper of being produced is: quantitative 38g/m
2(GB/T451.1-1989), tensile strength (vertically) 〉=3.0KN/m (GB/T453-1989), tensile strength (laterally) 〉=2.5KN/m, air permeability≤20sec/100ml (GB/T5402-1985), tearability 〉=400mN (GB/T455.1-1989), effectively antibiotic rate (jolting method) reaches more than 80%.This kind spunlace non-woven cloth lining paper function admirable, steady quality meet the production requirement of the composite spunlaced cloth of senior wood pulp fully.
The specific embodiment
Following examples only are used to illustrate the present invention, but are not used for limiting the scope of the invention.
Embodiment 1
To concentration is that the long fiber wood pulp (Canadian northern board needle slurry) of 2.0 quality % is pulled an oar, thereby obtains pulping, and the freedom of wherein said pulping is 400ml, and beating degree is 32 ° of SR, and fibre length is 2.0mm in the described pulping.Add water with described pulping concentration adjustment to 1.5 quality %, add the anti-bacterial fibre (available from Guangdong Material Used technology company) of 5.0 weight % (with respect to long fiber wood pulp dry weight), 10min sizes mixing.Purify, screening adds 0.04 weight % polyacrylamide (with respect to long fiber wood pulp dry weight), surfs the Net through behind the head box; And under the effect of wet end shake machine, manufacture paper with pulp, the amplitude of described wet end shake machine is 15mm, 150 times/min of vibration frequency.
Through overmolding, squeezing, drying, batch and get product.Through detecting its main performance index be:
Quantitative 38g/m
2(GB/T451.1-1989), tensile strength (vertically) 〉=3.0KN/m (GB/T453-1989), tensile strength (laterally) 〉=2.5KN/m, air permeability≤20sec/100ml (GB/T5402-1985), tearability 〉=400mN (GB/T455.1-1989), effectively antibiotic rate (jolting method) reaches more than 80%.
At present, the main performance index of external import nonwoven fabric lining paper is: 38g/m
2(GB/T451.1-1989), tensile strength (vertically) is 2.8KN/m (GB/T453-1989), and tensile strength (laterally) is 1.9KN/m, and air permeability is 13sec/100ml (GB/T5402-1985), and tearability is 360mN (GB/T455.1-1989).
Through comparing with foreign paper, the quality of the product that employing the inventive method makes is far above the foreign paper quality.
Claims (9)
1. preparation method with spunlace non-woven cloth lining paper of antibacterial functions, this method comprises the following steps:
1) be that the long fiber wood pulp of 2.0 quality % to 5.0 quality % is pulled an oar to concentration, thereby obtain pulping, the freedom of wherein said pulping is 300 to 650ml, and beating degree is 18 to 40 ° of SR, and fibre length is 1.5 to 3.0mm in the described pulping;
2) thin up and be 1.5 quality % to 3.0 quality % with concentration adjustment in described pulping adds anti-bacterial fibre then and sizes mixing 10 to 20min;
3) purify, screening through head box, is surfed the Net behind the adding dispersant then; And
4) manufacture paper with pulp.
2. method according to claim 1 is characterized in that, in described step 2) in, the length of described anti-bacterial fibre is 3 to 6mm.
3. method according to claim 2 is characterized in that, in described step 2) in, the described addition of stating anti-bacterial fibre is 0.50 to 10.0 weight % of described long fiber wood pulp dry weight.
4. method according to claim 1 is characterized in that, in described step 3), described dispersant is polyacrylamide or ethylene oxide ether polymer.
5. method according to claim 4 is characterized in that, in described step 3), the addition of described dispersant is 0.02 to 0.1 weight % of the tough wood pulp dry weight of described long fiber.
6. method according to claim 1 is characterized in that, in described step 4), described manufacturing paper with pulp undertaken by the wet end shaker.
7. method according to claim 6 is characterized in that, in described step 4), the frequency of described wet end shaker is 80～200 times/min, and amplitude is 5～20mm.
8. method according to claim 1 is characterized in that, also comprises moulding, squeezing, drying and batches step.
9. method according to claim 8 is characterized in that, moisture is for being not more than 5% after described curling step.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2010101241505A CN102191724A (en) | 2010-03-15 | 2010-03-15 | Preparation method of antibacterial spunlaced nonwoven interleaving paper |
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| Application Number | Priority Date | Filing Date | Title |
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| CN2010101241505A CN102191724A (en) | 2010-03-15 | 2010-03-15 | Preparation method of antibacterial spunlaced nonwoven interleaving paper |
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| CN102191724A true CN102191724A (en) | 2011-09-21 |
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| CN2010101241505A Pending CN102191724A (en) | 2010-03-15 | 2010-03-15 | Preparation method of antibacterial spunlaced nonwoven interleaving paper |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720090A (en) * | 2012-05-09 | 2012-10-10 | 连恩平 | Toilet paper processing technology |
| CN105256640A (en) * | 2015-10-14 | 2016-01-20 | 泉州华祥纸业有限公司 | Method for preparing industrial specialty paper |
| CN106996054A (en) * | 2017-03-22 | 2017-08-01 | 仙鹤股份有限公司 | A kind of production method of wood pulp hydro-entangled composite non-woven fabric paper |
| CN111549554A (en) * | 2020-05-19 | 2020-08-18 | 易立科技通山有限公司 | High-air-permeability light medical protection special paper and manufacturing method thereof |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4902564A (en) * | 1988-02-03 | 1990-02-20 | James River Corporation Of Virginia | Highly absorbent nonwoven fabric |
| JP2004016730A (en) * | 2002-06-20 | 2004-01-22 | Kanebo Ltd | Wet tissue |
| CN1594730A (en) * | 2003-09-12 | 2005-03-16 | 昆山钞票纸厂 | Production process for antibacterial banknote paper and banknote paper thereof |
| CN1696404A (en) * | 2005-04-22 | 2005-11-16 | 张映旻 | Method for fabricating composite paper |
-
2010
- 2010-03-15 CN CN2010101241505A patent/CN102191724A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4902564A (en) * | 1988-02-03 | 1990-02-20 | James River Corporation Of Virginia | Highly absorbent nonwoven fabric |
| JP2004016730A (en) * | 2002-06-20 | 2004-01-22 | Kanebo Ltd | Wet tissue |
| CN1594730A (en) * | 2003-09-12 | 2005-03-16 | 昆山钞票纸厂 | Production process for antibacterial banknote paper and banknote paper thereof |
| CN1696404A (en) * | 2005-04-22 | 2005-11-16 | 张映旻 | Method for fabricating composite paper |
Non-Patent Citations (1)
| Title |
|---|
| 刘娟: "木浆复合水刺手术衣材料生产工艺与性能研究", 《中国优秀硕士学位论文全文数据库（电子期刊）工程科技Ⅰ辑》, no. 10, 15 October 2009 (2009-10-15) * |
Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102720090A (en) * | 2012-05-09 | 2012-10-10 | 连恩平 | Toilet paper processing technology |
| CN105256640A (en) * | 2015-10-14 | 2016-01-20 | 泉州华祥纸业有限公司 | Method for preparing industrial specialty paper |
| CN106996054A (en) * | 2017-03-22 | 2017-08-01 | 仙鹤股份有限公司 | A kind of production method of wood pulp hydro-entangled composite non-woven fabric paper |
| CN111549554A (en) * | 2020-05-19 | 2020-08-18 | 易立科技通山有限公司 | High-air-permeability light medical protection special paper and manufacturing method thereof |
| CN111549554B (en) * | 2020-05-19 | 2021-03-30 | 易立科技通山有限公司 | High-air-permeability light medical protection special paper and manufacturing method thereof |
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Application publication date: 20110921 |