CN103142176A - Household paper and manufacturing method thereof - Google Patents
Household paper and manufacturing method thereof Download PDFInfo
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- CN103142176A CN103142176A CN2013100603339A CN201310060333A CN103142176A CN 103142176 A CN103142176 A CN 103142176A CN 2013100603339 A CN2013100603339 A CN 2013100603339A CN 201310060333 A CN201310060333 A CN 201310060333A CN 103142176 A CN103142176 A CN 103142176A
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Abstract
The invention provides household paper, which is simultaneously added with a softening agent and nanometer microcrystalline cellulose, as well as a manufacturing method of the household paper. The method comprises the following steps: providing a sizing material; adding the nanometer microcrystalline cellulose into the sizing material; and manufacturing the paper to be formed and transferring the softening agent onto the surface of the paper, or adding the softening agent into the sizing material and then manufacturing the paper to be formed. The household paper provided by the invention has advantages of high intensity and better flexibility by simultaneously adding the softening agent and the nanometer microcrystalline cellulose.
Description
Technical field
The present invention relates to one way of life paper using and manufacture method thereof.
Background technology
The paper for daily uses such as face tissue, toilet paper, napkin paper, paper for kitchen, tissue are the essential consumer goods of the requisite life of contemporary consumer groups.Along with growth in the living standard, people require more and more higher to the pliability of paper for daily use, and are especially higher for the requirement of the pliability of the paper for daily use that contacts with human body skin.
Mainly reach at present the purpose of the pliability of the paper using of making the life better by adding softening agent.The addition manner of softening agent mainly contains two kinds.A kind of is at green end, for example manufactures paper with pulp into body paper after the interpolation softening agent in paper pulp.Another is to apply a certain amount of softening agent on the body paper paper surface by the rear end coating method.But no matter adopt above-mentioned which kind of mode to add softening agent, all can cause the anti-stretching force of reduction, especially paper of the anti-stretching force of final prepared tissue paper, bursting strength to reduce a lot.
The intensity of the body paper paper of paper for daily use can promote by strengthening the modes such as defibrination power and interpolation drying strengthening agent.But the too high meeting of defibrination power causes the excessive wire-dividing broom purification of fiber, so that the body paper rough surface, is also that pliability is bad.On the other hand, surpass a certain amount of softening agent if add in a kind of body paper, even use drying strengthening agent also not make up the intensity of body paper loss.That is to say, in existing technology, the high strength of paper for daily use and high-flexibility are two performances that are difficult to get both, and promote one of them and can cause the another one variation.How producing and have a satisfactory while of intensity and have again the paper for daily use of pliability preferably, is to need the problem of capturing in face of the personnel in the industry cycle of putting.
Summary of the invention
In view of this, be necessary to provide the one way of life paper using, it all has good performance aspect pliability and intensity.
The one way of life paper using is added with softening agent and nano micro crystal cellulose simultaneously in this paper for daily use.
The manufacture method of one way of life paper using comprises the steps: to provide slurry; Add nano micro crystal cellulose in slurry; And the moulding paper and softening agent is transferred to paper surface of manufacturing paper with pulp, perhaps add the softening agent moulding paper of manufacturing paper with pulp again in slurry.
Paper for daily use provided by the invention had both had high strength, had again softness preferably, and simple for the manufacture of the method step of this paper for daily use, can realize under existing appointed condition fully.
The invention will be further described below in conjunction with specific embodiment.
The specific embodiment
The present invention relates to a kind of existing high strength paper for daily use of softness again, and the manufacture method of this paper for daily use.
Nano micro crystal cellulose and softening agent have been added simultaneously in paper for daily use provided by the invention.
Nano micro crystal cellulose (the nanocrystalline cellulose that the present invention is used, NCC) can be cationic or anionic, it can be by the chemical pulp preparation from timber or agricultural fibre, remove amorphous area by acidolysis, then produce the fibril of nano-scale, in latter stage, by sonication or pass the high shear microfluidizer, produce each whisker or crystallite and stabilisation in water slurry.The concrete preparation of nano micro crystal cellulose can be with reference to pertinent literature, be otherwise known as cellulose nano microcrystalline, cellulose nano-fibrous or cellulose whiskers etc. of nano micro crystal cellulose in some documents.
The softening agent that the present invention is used mainly contains cationic surfactant, anion surfactant and non-ionic surface active agent.Cationic surfactant can be as quaternary ammonium salt and amine compounds.Anion surfactant can be as alkyl phosphate or salt, alkyl sulfate or salt, alkylsulfonate etc.Non-ionic surface active agent can be as polyoxyethylene-type and polyalcohol type compound.
Usually the softening agent of cationic surfactant type is maximum for the action effect that reduces paper fibre mantle friction factor, therefore, softening agent preferred cationic surfactant of the present invention is as two alkylamide imidazoline quaternary ammonium salts, TEA ester quat, bisamide quaternary ammonium salt etc.
The softening agent that the present invention uses can add separately according to result of use wherein a kind of, but also polytype mixes together.
The flow process of the paper for daily use manufacture method that one embodiment of the invention provides is as follows.At first provide papermaking required slurry, then add nano micro crystal cellulose and softening agent at the papermaking green end in slurry.Add nano micro crystal cellulose and softening agent, with the formation tissue paper of manufacturing paper with pulp after slurry mixes.
The nano micro crystal cellulose that the present invention uses is added on the papermaking green end, and specified place can be groove before loose stock tank, mixing channel, machine.For nano micro crystal cellulose is fully disperseed in slurry, the present invention preferably adds nano micro crystal cellulose in loose stock tank.Further, be added into the form of nano micro crystal cellulose suspension and be more conducive to disperse to mix nano micro crystal cellulose in loose stock tank.
The softening agent that the present invention uses can select to add to the papermaking green end together with nano micro crystal cellulose, specified place can be groove before loose stock tank, mixing channel or machine.The present invention preferably adds softening agent in loose stock tank.
Slurry therewith of the present invention can be sulphate chemical paper pulp (coniferous tree or broad leaf tree are through bleaching or without the kraft pulp etc. of bleaching), mechanical pulp (ground wood pulp, hot method mechanical pulp, CTMP etc.), de inked pulp (old newspaper, outdated magazine paper etc.) etc.These raw material paper pulp can use separately, perhaps mix with arbitrary proportion and use.The present invention preferably selects sulphate chemical paper pulp.
The interpolation weight of nano micro crystal cellulose is less than or equal to 20% of the weight of paper for daily use over dry slurry used, and the interpolation weight of preferred nano micro crystal cellulose is between the 0.2%-5% of the weight of paper for daily use over dry slurry used.
Softening agent adds weight less than or equal to 5% of the weight of paper for daily use over dry slurry used, and preferred softening agent adds weight between the 0.1%-3% of the weight of paper for daily use over dry slurry used.
Nano micro crystal cellulose suspension concentration scope can be 12.5% in one embodiment between 0.01-50%.Loose stock tank concentration is controlled between 2%-5%.
Further, in order to give tissue paper more diversified function, can also selectively add other auxiliary agents such as bacteriostatic agent, wet strength agent, drying strengthening agent in groove before machine.
Further, preferred compositions of the present invention is used cationic surface active agent class softening agent thing and anion nano micro crystal cellulose.
In some other embodiment, also can be after the papermaking green end add nano micro crystal cellulose suspension to manufacture paper with pulp to form tissue paper, the paper surface after in the rear end, softening agent being transferred to moulding uniformly in the mode of coating, applying glue, printing etc. forms paper for daily use of the present invention.Can by determining the parameters such as the speed of a motor vehicle of paper machine operation, make the addition of softening agent and the usage ratio of nano micro crystal cellulose and raw material paper pulp reach both provisioning requests.
Listed in following table in the laboratory softening agent and nano micro crystal cellulose (NCC) have been added into pliability and the tensile strength of fully mixing in slurry by the paper for daily use of the different Comparative Examples of the manual gained of manufacturing paper with pulp.The numerical value of pliability and tensile strength all records with the method for stipulating in GB, and wherein the larger expression flexibility of the numerical value of pliability is poorer, and the larger expression tensile strength of the numerical value of tensile strength is better.The slurry that paper for daily use in each Comparative Examples adopts is sulphate chemical paper pulp, and length is fine and weight ratio short fiber is 1:4, loose slurry revolution 30000r, the fine defibrination revolution 2500r of length, short fiber defibrination revolution 2000r, squeeze pressure 2.1kg/m
2, squeezing time 15min, 95 ° of C of bake out temperature.The addition of softening agent and nano micro crystal cellulose all represents with the percentage by weight of over dry slurry used.For example in Comparative Examples B, the addition of softening agent is 0.1% of over dry slurry weight.The softening agent that uses in these Comparative Examples is the dialkyl dimethyl ammonium chloride of cationic active agent type, and nano micro crystal cellulose is anionic.
The handsheet of listed each comparative example A, B, C, D, E, F, G made in following table, except the addition of softening agent and nano micro crystal cellulose was different, other manufacturing conditions, parameter were all identical.
From relatively can finding out of comparative example A and Comparative Examples B, use separately softening agent, the tensile strength of handsheet reduces too many, causes intensity too poor.
From relatively can finding out of comparative example A and Comparative Examples C, use separately nano micro crystal cellulose, though can to a certain degree promote the tensile strength of handsheet, the softness of handsheet is not fine.
From relatively can finding out of Comparative Examples D group and Comparative Examples B, the paper that has added nano micro crystal cellulose and softening agent has remarkable lifting with respect to the paper strength that only adds softening agent, but pliability does not almost descend.
From relatively can finding out of Comparative Examples D and Comparative Examples C, the paper that has added nano micro crystal cellulose and softening agent has significant lifting with respect to the paper pliability of only adding nano micro crystal cellulose, but intensity does not almost descend.
In addition, from relatively can finding out of comparative example A and Comparative Examples D, there is no mutual inhibitory action between nano micro crystal cellulose and softening agent, but play a synergy, make the pliability of paper and intensity all promote to some extent.
Contrast from comparative example A and Comparative Examples D, and the contrast of comparative example A and Comparative Examples E can see, the softening agent use amount is in 0.1% situation, when the use amount of nano micro crystal cellulose becomes 0.2% from 0.1%, the pliability of handsheet does not almost change, but strength enhancing is comparatively obvious.Therefore the softening agent use amount is 0.1%, and nano micro crystal cellulose is 0.2%, and the chemical drug usage comparison is efficient.
From relatively finding out of Comparative Examples F and Comparative Examples G, the pliability of handsheet and intensity have been tending towards constant along with the addition of softening agent and nano micro crystal cellulose is increased to 5% and 20%.
The softness main distinction of tissue paper is in the characteristic of fiber itself and interfibrous in conjunction with tightness degree, and the situation of wrinkle when wrinkling.The Main Function of softening agent is to make fiber plastification and the air that keep more, to reduce the combination between fiber, reach improve pliability purpose, thereby will bring certain loss of strength, but can improve fully the bulk of paper.Can change plasticity and the adhesion of fiber due to softening agent, if thereby add softening agent at the papermaking green end, can be beneficial to high wrinkling uniformity, be beneficial to simultaneously the percentage elongation that increases paper, make feel be improved.
Nano micro crystal cellulose essence is fiber, but have huge specific area with respect to general fibre, surface exposure abundant hydroxyl and carboxyl.Nano micro crystal cellulose is added in paper, can form a large amount of hydrogen bonds with general fibre, has improved the adhesion between paper fibre, and namely paper strength increases.
Nano micro crystal cellulose on the one hand can fraction and softening agent bonding, forms a large amount of hydrogen bonds with general fibre on the other hand.Therefore softening agent by nano micro crystal cellulose indirectly with paper in general fibre produce bonding, this has just reduced the reduction of the paper strength that softening agent brings.
Therefore the paper for daily use of the present invention that obtains by adding simultaneously nano micro crystal cellulose and softening agent had both had higher intensity, had again softness preferably.The consumer had both had soft feel when using such tissue paper wiping skin, can avoid again occurring because of insufficient strength, and make paper scrap stick on phenomenon on skin.In addition, the double soft paper for daily use of high strength provided by the invention and the method for producing in a large number this paper for daily use need not to use extra production equipment, just can realize under original working condition, are suitable for popularizing.
Claims (10)
1. the one way of life paper using, is characterized in that: be added with simultaneously softening agent and nano micro crystal cellulose in this paper for daily use.
2. paper for daily use as claimed in claim 1, it is characterized in that: described nano micro crystal cellulose is cation nanometer microcrystalline cellulose or anion nano micro crystal cellulose.
3. paper for daily use as claimed in claim 1, it is characterized in that: described softening agent is cationic surfactant, anion surfactant or non-ionic surface active agent.
4. paper for daily use as claimed in claim 1, it is characterized in that: described softening agent is cationic surface active agent, described nano micro crystal cellulose is the anion nano micro crystal cellulose.
5. paper for daily use as claimed in claim 1, it is characterized in that: the interpolation weight of described nano micro crystal cellulose is less than or equal to 20% of the weight of paper for daily use oven dry stock used, and described softening agent adds weight less than or equal to 5% of the weight of paper for daily use oven dry stock used.
6. paper for daily use as claimed in claim 1, it is characterized in that: the interpolation weight of described nano micro crystal cellulose is between the 0.2%-5% of weight of paper for daily use over dry slurry used, and described softening agent adds between the 0.1%-3% of weight that weight is paper for daily use over dry slurry used.
7. paper for daily use as claimed in claim 1, is characterized in that: also be added with bacteriostatic agent, wet strength agent, drying strengthening agent or their mixture in described paper for daily use.
8. the manufacture method of one way of life paper using, comprise the steps:
Slurry is provided;
Add nano micro crystal cellulose in slurry; And
Manufacture paper with pulp moulding paper and softening agent is transferred to paper surface perhaps adds the softening agent moulding paper of manufacturing paper with pulp again in slurry.
9. the manufacture method of paper for daily use as claimed in claim 8, it is characterized in that: nano micro crystal cellulose adds in slurry with the form of suspension.
10. the manufacture method of paper for daily use as claimed in claim 8, it is characterized in that: the interpolation weight of described nano micro crystal cellulose is less than or equal to 20% of the weight of paper for daily use oven dry stock used, and described softening agent adds weight less than or equal to 5% of the weight of paper for daily use oven dry stock used.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310060333.9A CN103142176B (en) | 2013-02-26 | 2013-02-26 | Household paper and manufacturing method thereof |
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| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310060333.9A CN103142176B (en) | 2013-02-26 | 2013-02-26 | Household paper and manufacturing method thereof |
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| CN103142176A true CN103142176A (en) | 2013-06-12 |
| CN103142176B CN103142176B (en) | 2015-06-24 |
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| CN201310060333.9A Active CN103142176B (en) | 2013-02-26 | 2013-02-26 | Household paper and manufacturing method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104404826A (en) * | 2014-10-23 | 2015-03-11 | 广东比伦生活用纸有限公司 | Super soft coil paper and production method thereof |
| CN104995353A (en) * | 2012-12-14 | 2015-10-21 | 斯托拉恩索公司 | Wet laid sheet material of a microfibrillated material composition |
| CN105113075A (en) * | 2015-09-11 | 2015-12-02 | 无锡市长安曙光手套厂 | Textile material |
| CN106835817A (en) * | 2016-12-30 | 2017-06-13 | 安徽比伦生活用纸有限公司 | A kind of preparation technology of paper for daily use |
| CN109952399A (en) * | 2016-07-01 | 2019-06-28 | 美世国际有限公司 | Multi-density paper products comprising cellulose nano wire |
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| CN101952508A (en) * | 2008-03-31 | 2011-01-19 | 日本制纸株式会社 | Additive for papermaking and paper containing the same |
| CN102080343A (en) * | 2010-11-25 | 2011-06-01 | 山东轻工业学院 | Application of anion nano microcrystalline cellulose as paper reinforcer |
| CN102080346A (en) * | 2010-11-25 | 2011-06-01 | 山东轻工业学院 | Application of cation nano microcrystalline cellulose as paper reinforcing agent |
| JP2012525509A (en) * | 2009-04-29 | 2012-10-22 | ウーペーエム−キュンメネ コーポレイション | Method for producing finished paper, finished paper and paper |
| CN103114501A (en) * | 2013-01-21 | 2013-05-22 | 金红叶纸业集团有限公司 | Production process of antibacterial paper and antibacterial paper |
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| CN101952508A (en) * | 2008-03-31 | 2011-01-19 | 日本制纸株式会社 | Additive for papermaking and paper containing the same |
| JP2012525509A (en) * | 2009-04-29 | 2012-10-22 | ウーペーエム−キュンメネ コーポレイション | Method for producing finished paper, finished paper and paper |
| CN102080343A (en) * | 2010-11-25 | 2011-06-01 | 山东轻工业学院 | Application of anion nano microcrystalline cellulose as paper reinforcer |
| CN102080346A (en) * | 2010-11-25 | 2011-06-01 | 山东轻工业学院 | Application of cation nano microcrystalline cellulose as paper reinforcing agent |
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Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104995353A (en) * | 2012-12-14 | 2015-10-21 | 斯托拉恩索公司 | Wet laid sheet material of a microfibrillated material composition |
| US9518364B2 (en) | 2012-12-14 | 2016-12-13 | Stora Enso Oyj | Wet laid sheet material of a microfibrillated material composition |
| CN104995353B (en) * | 2012-12-14 | 2017-09-29 | 斯托拉恩索公司 | The wet-laying sheet material of micro- fibrillatable material composition |
| CN104404826A (en) * | 2014-10-23 | 2015-03-11 | 广东比伦生活用纸有限公司 | Super soft coil paper and production method thereof |
| CN105113075A (en) * | 2015-09-11 | 2015-12-02 | 无锡市长安曙光手套厂 | Textile material |
| CN109952399A (en) * | 2016-07-01 | 2019-06-28 | 美世国际有限公司 | Multi-density paper products comprising cellulose nano wire |
| CN106835817A (en) * | 2016-12-30 | 2017-06-13 | 安徽比伦生活用纸有限公司 | A kind of preparation technology of paper for daily use |
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| Publication number | Publication date |
|---|---|
| CN103142176B (en) | 2015-06-24 |
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