CN104711896B - Cypres and preparation method thereof, sized paper - Google Patents

Cypres and preparation method thereof, sized paper Download PDF

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Publication number
CN104711896B
CN104711896B CN201310689112.8A CN201310689112A CN104711896B CN 104711896 B CN104711896 B CN 104711896B CN 201310689112 A CN201310689112 A CN 201310689112A CN 104711896 B CN104711896 B CN 104711896B
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China
Prior art keywords
cypres
fatty acids
long chain
chain fatty
preparation
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Expired - Fee Related
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CN201310689112.8A
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Chinese (zh)
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CN104711896A (en
Inventor
马朴
刘翔飞
秦昀昌
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Hainan Jinhai Pulp and Paper Co Ltd
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Gold East Paper Jiangsu Co Ltd
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Abstract

A kind of preparation method of Cypres, it comprises the following steps:Farinaceous size is provided, the farinaceous size is heated into starch gelatinization temperature carries out boiling;Long chain fatty acids are added into the farinaceous size after above-mentioned boiling mixed serum is made, the additions of the long chain fatty acids is 0.1% the 10% of starch weight;Above-mentioned mixed serum is adjusted to alkaline environment, after the long chain fatty acids fully dissolve, then above-mentioned mixed serum pH value is adjusted in the range of 2 11, the Cypres is made.Sized paper made from Cypres made from the preparation method of the invention also provided in a kind of Cypres described above and the above-mentioned Cypres of application.The Cypres that the present invention is provided can be while improve the water repelling property and surface strength of paper, and its preparation method has simple to operate, low cost and other advantages.

Description

Cypres and preparation method thereof, sized paper
Technical field
The present invention relates to a kind of Cypres, the preparation method of the Cypres and using above-mentioned Cypres Progress is glued obtained sized paper.
Background technology
Surface sizing agent for paper making uses AKD (alkyl ketene dimer), gum rosin, PVA(Polyvinyl alcohol)Deng so And these Cypres can only often improve paper water repelling property or can only improve the intensity of paper surface, it is impossible to while simultaneous Turn round and look at paper water-resistance and surface strength of paper two indices.
At present, paper water-resistance and surface strength of paper are if desired improved simultaneously in the prior art, generally requires and is added to Few two kinds of medicines, complex manufacturing, cost increase.
The content of the invention
In view of this, it is necessary to which a kind of preparation method of Cypres is provided, Cypres energy made from this method Take into account paper water-resistance and surface strength of paper simultaneously.
Cypres made from a kind of preparation method of the above-mentioned Cypres of application are provided in addition, there is a need to.
Carry out being glued obtained sized paper in addition, there is a need to a kind of above-mentioned Cypres of application of offer.
A kind of preparation method of Cypres, it comprises the following steps:
Farinaceous size is provided, the farinaceous size is heated into starch gelatinization temperature carries out boiling;
Long chain fatty acids are added into the farinaceous size after above-mentioned boiling mixed serum is made, the addition of the long chain fatty acids Measure the 0.1%-10% for starch weight;
Above-mentioned mixed serum is adjusted to alkaline environment, after the long chain fatty acids fully dissolve, then adjusts above-mentioned mixed Slurry pH value is closed in the range of 2-11, the Cypres are made.
A kind of to apply Cypres made from the preparation method of above-mentioned Cypres, the Cypres contain starch And long chain fatty acids, the addition of the long chain fatty acids is the 0.1%-10% of starch weight.
Sized paper made from the above-mentioned Cypres of one kind application.
The Cypres preparation method that the present invention is provided, by adding long chain fatty acids into farinaceous size and adjusting this The pH value of slurries, has under pH value different forms and the good water repelling property that itself has using long chain fatty acids The Cypres drawn prepared by two characteristics, can improve the surface strength and water resistant of paper simultaneously applied to paper surface Performance.In addition, the method that the present invention prepares top sizing has simple to operate, medicine addition reduction and cost low excellent Point.
Embodiment
A kind of preparation method of Cypres, it comprises the following steps:
(1)Farinaceous size is provided, the farinaceous size is heated to starch gelatinization temperature and carries out boiling.
Amidin is made for starch is added water in the step, and the amidin then is warming up into starch gelatinization temperature (As 95 DEG C and more than)Boiling is carried out until required farinaceous size is made in starch gelatinization.
The starch is selected from least one of tapioca, cornstarch and wheaten starch.
(2)Long chain fatty acids are added into the farinaceous size after above-mentioned boiling mixed serum is made, the long chain fatty acids Addition is the 0.1%-10% of starch weight.
The long chain fatty acids refer to aliphatic acid of the carbon atom more than 12 in fatty acid molecule structure in carbochain.The length Carbon atom number in the carbochain of chain fatty acid is in the range of 12-20.It is preferred that, the long-chain fat includes but is not limited to the sour moon Cinnamic acid, myristic acid, palmitic acid, oleic acid and stearic acid.
It is preferred that, the addition of the long chain fatty acids is the 0.5%-3% of starch weight.
(3)Above-mentioned mixed serum is adjusted to alkaline environment, after the long chain fatty acids fully dissolve, then adjusts above-mentioned Mixed serum pH value is to the Cypres are made in the range of 2-11.
The long chain fatty acids are added to after above-mentioned farinaceous size, is sufficiently stirred for and adjusts the pH of mixed serum to alkalescence Environment is so that the long chain fatty acids can fully dissolve.It is preferred that, the mixed serum of the alkaline environment refers to the mixed serum PH be 11.
It is preferred that, after the long chain fatty acids fully dissolve, then the pH value of the mixed serum is adjusted to 5-11 scope It is interior.
The long chain fatty acids that the present invention is added have following two performances:Firstth, the chain alkyl of long chain fatty acids has Splendid water repelling property;Secondth, different shape is presented in the environment of different pH in long chain fatty acids, specifically, working as long-chain fat Acid is in the basic conditions in threadiness, when long chain fatty acids are then shunk in cotton-shaped under acidic or neutral conditions.
The present invention makes full use of two characteristics of above-mentioned long chain fatty acids, adds it in farinaceous size and is prepared into table Surface sizing agent, the Cypres are applied to enable paper after paper while having outstanding water repelling property and surface strong Degree.Concrete principle is as follows:
Fibrous characteristic is presented under alkaline environment using long chain fatty acids, is adjusted after its addition is into farinaceous size The mixed serum is to alkaline environment and is allowed to fully dissolving, and part long chain fatty acids can enter the inside of starch helical structure, Remaining long chain fatty acids are distributed between starch molecule by the filamentary structure of itself with parcel in the form of network skeleton;
The pH value of mixed serum is adjusted again after long chain fatty acids fully dissolve so as to be full of in starch helical structure Portion and it is wrapped in the long chain fatty acids of outside of starch molecule and shrinks, and make it that starch is combined more with long chain fatty acids Closely, paper is significantly improved after sizing agent to the paper surface being made with the starch combined closely with long chain fatty acids Surface strength.
In this way, obtained Cypres are glued to paper surface, it can cause paper that there is outstanding surface strength, this Outside, because the long chain fatty acids have outstanding water repelling property, therefore the Cypres containing long chain fatty acids are glued to paper The paper also has outstanding water repelling property behind surface.Therefore, compared to prior art, the Cypres application that the present invention is provided The surface strength and water repelling property of paper can be improved after to paper surface simultaneously.
Cypres, the surface made from the preparation method of the invention also provided in a kind of Cypres described above Sizing agent includes starch and long chain fatty acids, and the addition of the long chain fatty acids is the 0.1%-10% of starch weight.
The present invention also provides sized paper made from a kind of above-mentioned Cypres of application.
The present invention is specifically described below by embodiment.
Blank example
40g over dry tapiocas are taken, add water the slurries for being made into that mass percentage concentration is 10%, is heated to 95 DEG C of boilings half small When, it is glued after the completion of boiling to paper, resin added is 2g/m2
Comparative example 1
40g over dry cassava ative starch is taken, add water the slurries for being made into that mass percentage concentration is 10%, is heated to 95 DEG C of boilings half Hour, the AKD emulsified is added after the completion of boiling(Alkyl ketene dimer)0.8g, then be glued with this glue application solution to paper, apply Glue amount is 2g/m2
Comparative example 2
40g over dry cassava ative starch is taken, add water the slurries for being made into that mass percentage concentration is 10%, is heated to 95 DEG C of boilings half Hour, add PVA after the completion of boiling(Polyvinyl alcohol)0.8g, then be glued with this glue application solution to paper, resin added is 2g/m2
Embodiment 1
40g over dry cassava ative starch is taken, add water the slurries for being made into that mass percentage concentration is 10%, is heated to 95 DEG C of boilings half Hour, 0.04g palmitic acids are added after the completion of boiling(I.e. the addition of palmitic acid is the 0.1% of cassava ative starch weight), adjust pH For 11, paper is given to be glued with this glue application solution again after palmitic acid is completely dissolved, resin added is 2g/m2
Embodiment 2
40g over dry cassava ative starch is taken, add water the slurries for being made into that mass percentage concentration is 10%, is heated to 95 DEG C of boilings half Hour, 0.04g palmitic acids are added after the completion of boiling(I.e. the addition of palmitic acid is the 0.1% of cassava ative starch weight), adjust pH For 11, stir 10 minutes, adjust pH again after palmitic acid is completely dissolved to 7, then paper applying glue is given with this glue application solution, resin added is 2g/m2
Embodiment 3
40g over dry cassava ative starch is taken, add water the slurries for being made into that mass percentage concentration is 10%, is heated to 95 DEG C of boilings half Hour, 0.04g palmitic acids are added after the completion of boiling(I.e. the addition of palmitic acid is the 0.1% of cassava ative starch weight), adjust pH For 11, stir 10 minutes, adjust pH again after palmitic acid is completely dissolved to 5, then paper applying glue is given with this glue application solution, resin added is 2g/m2
Embodiment 4
40g over dry cassava ative starch is taken, add water the slurries for being made into that mass percentage concentration is 10%, is heated to 95 DEG C of boilings half Hour, 0.04g palmitic acids are added after the completion of boiling(I.e. the addition of palmitic acid is the 0.1% of cassava ative starch weight), adjust pH For 11, stir 10 minutes, adjust pH again after palmitic acid is completely dissolved to 2, then paper applying glue is given with this glue application solution, resin added is 2g/m2
Embodiment 5
40g over dry native cornstarchs are taken, add water the slurries for being made into that mass percentage concentration is 10%, is heated to 95 DEG C of boilings half Hour, 2g palmitic acids are added after the completion of boiling(I.e. the addition of palmitic acid is the 5% of native cornstarch weight), adjustment pH is 11, Stirring 10 minutes, adjusts pH to 7 again after palmitic acid is completely dissolved, then is glued with this glue application solution to paper, and resin added is 2g/m2
Embodiment 6
40g over dry cassava ative starch is taken, add water the slurries for being made into that mass percentage concentration is 10%, is heated to 95 DEG C of boilings half Hour, 4g palmitic acids are added after the completion of boiling(I.e. the addition of palmitic acid is the 10% of cassava ative starch weight), adjusting pH is 11, stir 10 minutes, adjust pH again after palmitic acid is completely dissolved to 5, then be glued with this glue application solution to paper, resin added is 2g/ m2
Embodiment 7
40g over dry native cornstarchs are taken, add water the slurries for being made into that mass percentage concentration is 10%, is heated to 95 DEG C of boilings half Hour, 2g stearic acid is added after the completion of boiling(I.e. stearic addition is the 5% of native cornstarch weight), adjustment pH is 11, Stirring 10 minutes, adjusts pH to 7 again after palmitic acid is completely dissolved, then is glued with this glue application solution to paper, and resin added is 2g/m2
The performance test results of the paper of above-mentioned obtained 10 groups of Cypres applying glue are as shown in following table one.
Table one
Sample RI surface strengths Contact angle 0.5s
Blank example 5 43.8°
Comparative example 1 5 71.2°
Comparative example 2 7 44.6°
Embodiment 1 6 63.5°
Embodiment 2 6 65.5°
Embodiment 3 5 68.2°
Embodiment 4 5 68.5°
Embodiment 5 7 78.2°
Embodiment 6 7 82.5°
Embodiment 7 7 78.8°
Note:1.RI surface strengths:Surface strength of paper detection method, the stripping situation of paper fiber is entered after being printed by RI Row marking, numerical value is bigger, and to represent surface strength higher.
2. contact angle:Represent liquid drop on paper, in the defined time, the angle of drop and paper formation.Angle It is bigger that to represent paper water resistant ability stronger.
As shown in Table 1:
1. drawn by comparative example 1 and blank example:AKD is added into farinaceous size(Alkyl ketene dimer)Glue application solution is made To paper water repelling property is only improved after paper applying glue, Strength Changes are little.
2. drawn by comparative example 2 and blank example:PVA is added into farinaceous size(Polyvinyl alcohol)Glue application solution is made to paper Paper strength is only improved after applying glue, water repelling property change is little.
3. drawn by above-described embodiment:Glue application solution made from long chain fatty acids is added into farinaceous size to be glued to paper Afterwards, the water repelling property of paper has strengthened with surface strength of paper.
The Cypres preparation method that the present invention is provided, by adding long chain fatty acids into farinaceous size and adjusting this The pH value of slurries, has under pH value different forms and the good water repelling property that itself has using long chain fatty acids Two characteristics prepare Cypres, and the Cypres are strong applied to the surface that paper surface can improve paper simultaneously Degree and water repelling property.In addition, there is the method that the present invention prepares top sizing simple to operate, medicine addition to reduce and cost Low advantage.
Those skilled in the art can also do other forms and details in the claims in the present invention scope of disclosure and spirit On various modifications, addition and replace.Certainly, these various modifications made according to present invention spirit, addition and replacements etc. become Change, should all be included within scope of the present invention.

Claims (8)

1. a kind of preparation method of Cypres, it comprises the following steps:
Farinaceous size is provided, the farinaceous size is heated into starch gelatinization temperature carries out boiling;
Long chain fatty acids are added into the farinaceous size after above-mentioned boiling mixed serum is made, the addition of the long chain fatty acids is The 0.1% of starch weight;
Above-mentioned mixed serum is adjusted to alkaline environment, after the long chain fatty acids fully dissolve, then above-mentioned mixing slurry is adjusted The Cypres are made in the range of 2-7 in liquid pH value.
2. the preparation method of Cypres as claimed in claim 1, it is characterised in that:The starch is selected from tapioca, jade At least one of rice starch and wheaten starch.
3. the preparation method of Cypres as claimed in claim 1, it is characterised in that:In the carbochain of the long chain fatty acids Carbon atom number in the range of 12-20.
4. the preparation method of Cypres as claimed in claim 3, it is characterised in that:The long chain fatty acids are selected from bay At least one of acid, myristic acid, palmitic acid, oleic acid and stearic acid.
5. the preparation method of Cypres as claimed in claim 1, it is characterised in that:The pH of the mixed serum of alkaline environment It is worth for 11.
6. the preparation method of Cypres as claimed in claim 1, it is characterised in that:Treat that the long chain fatty acids are fully molten Xie Hou, then above-mentioned mixed serum pH value is adjusted in the range of 5-7.
7. Cypres made from a kind of preparation method of Cypres as described in 1-6 any one of claim, It is characterized in that:The Cypres contain starch and long chain fatty acids, and the addition of the long chain fatty acids is starch weight 0.1%.
8. sized paper made from one kind application Cypres as claimed in claim 7.
CN201310689112.8A 2013-12-13 2013-12-13 Cypres and preparation method thereof, sized paper Expired - Fee Related CN104711896B (en)

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Publication number Priority date Publication date Assignee Title
CN114702924A (en) * 2022-03-29 2022-07-05 深圳深汕特别合作区昌茂粘胶新材料有限公司 Environment-friendly degradable adhesive, preparation method and preparation method of prepared sticker

Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101050611A (en) * 2007-05-14 2007-10-10 南京林业大学 Surface sizing agent for improving paper deflection and paperboard circular press stength
CN101240517A (en) * 2008-03-14 2008-08-13 广东轻工职业技术学院 Method for complexing composite starch sizing agent
CN103362031A (en) * 2013-08-05 2013-10-23 金华盛纸业(苏州工业园区)有限公司 Surface sizing agent for printing paper and application thereof
CN103410052A (en) * 2013-07-09 2013-11-27 上海东升新材料有限公司 Preparation method for surface sizing agent emulsion

Patent Citations (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN101050611A (en) * 2007-05-14 2007-10-10 南京林业大学 Surface sizing agent for improving paper deflection and paperboard circular press stength
CN101240517A (en) * 2008-03-14 2008-08-13 广东轻工职业技术学院 Method for complexing composite starch sizing agent
CN103410052A (en) * 2013-07-09 2013-11-27 上海东升新材料有限公司 Preparation method for surface sizing agent emulsion
CN103362031A (en) * 2013-08-05 2013-10-23 金华盛纸业(苏州工业园区)有限公司 Surface sizing agent for printing paper and application thereof

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Effective date of registration: 20201228

Address after: Area D12, Yangpu Economic Development Zone, Danzhou City, Hainan Province

Patentee after: HAINAN JINHAI PULP & PAPER Co.,Ltd.

Address before: 212132, No. 8 Tung Hing East Road, Dagang, Jiangsu, Zhenjiang

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