CN106245431B - A kind of preparation method of corrugated paper Cypres and products thereof and application - Google Patents
A kind of preparation method of corrugated paper Cypres and products thereof and application Download PDFInfo
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- CN106245431B CN106245431B CN201610747554.7A CN201610747554A CN106245431B CN 106245431 B CN106245431 B CN 106245431B CN 201610747554 A CN201610747554 A CN 201610747554A CN 106245431 B CN106245431 B CN 106245431B
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- corrugated paper
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- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H21/00—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties
- D21H21/14—Non-fibrous material added to the pulp, characterised by its function, form or properties; Paper-impregnating or coating material, characterised by its function, form or properties characterised by function or properties in or on the paper
- D21H21/16—Sizing or water-repelling agents
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/34—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/41—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups
- D21H17/44—Synthetic macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds containing ionic groups cationic
Abstract
The invention provides a kind of preparation method of corrugated paper Cypres and products thereof and application.Wherein, the corrugated paper Cypres are well mixed obtained by corrugated paper Cypres base-material, cationic additive；The preparation process of corrugated paper Cypres base-material includes：By cationic monomer, zirconates,（Methyl）Acrylic ester monomer,（Methyl）Styrene, initiator, acetic acid and water are added into reaction vessel, carry out Raolical polymerizable, generate corrugated paper Cypres base-material；The preparation process of cationic additive includes：Alkyl ketene dimer is added into the aqueous solution of cationic emulsifier, is sufficiently stirred, carries out emulsion dispersion, obtains cationic additive.Cobb values, and energy rapid aging can not only be greatly reduced according to Cypres made from method provided by the present invention, substantially lower machine is just ripe, and the ring crush intensity of corrugated paper can be increased substantially in the case where sizing agent dosage is constant.
Description
Technical field
The invention belongs to papermaking chemical product production field, and in particular to a kind of preparation method of corrugated paper Cypres
With the application as the product obtained by the preparation method, and the product.
Background technology
Corrugated paper is to process the plate object being bonded and the corrugated paper of the waveform formed by sheet lining and by corrugated roller,
Single wall corrugated board and the class of double-layer corrugated cardboard two are generally divided into, is divided into according to the size of corrugation：A, the type of B, C, E, F five.Corrugation
The invention and application of paper have more than 100 years history history, have low cost, light weight, processing is easy, intensity is big, printing adaptability sample is excellent
It is good, storage convenient in carrying the advantages that, more than 80% corrugated paper can be by reclaiming, and corrugated paper can be used as food or number
The packaging of code product, relatively environment-friendly, use is relatively broad.
At present, corrugated board has been obtained as various commodity make packaging and comprehensively popularize, promotion and application.By
In using packing container made of corrugated board to beautifying and protecting built-in commodity to have its unique performance and advantage, its with it is more
Great success is obtained in the competition of kind of packaging material, turns into long so far with not waning and be presented the making bag of fast development
One of main material of packaging container.
Corrugated board generally by facial tissue, inner paper, core paper and is processed into the corrugated paper of waveform corrugation by being bonded.According to
The demand of commodity packaging, corrugated board can be processed into single face corrugated board, triple wall board, five layers, seven layers, eleventh floor etc.
Corrugated board.Wherein, single face corrugated board be typically used as the stickers lining protective layer of commodity packaging or make light card lattice, backing plate with
Vibrations or collision of the commodity in the transportation of storage are protected, three layers most normal in corrugated case is made with five-layers corrugated fiberboard
With.
The packaging of many commodity carried out by three layers or five-layers corrugated fiberboard it is simple and exquisite packaging, in corrugated case or
Beautiful colorful figure and picture are printed in the surface of corrugated paper box, and this not only protects the commodity of inherence, and to packaging
Commodity serve publicity and beautification function.And seven layers or eleventh floor corrugated board be mainly used as electromechanics, flue-cured tobacco, furniture, motorcycle,
White goods etc. make packing case；In specific commodity, it can be combined with this corrugated board and inside and outside casing is made, be easy to
Make and beneficial to splendid attire, storage and the transport of commodity.With the needs of environmental protection and the requirement of national relevant policies, this kind of corrugated paper
The commodity packaging that plate makes, there is the trend of gradually substitution wooden-box package.
At present, the production of corrugated paper or corrugated board is persistently being improved with preparation technology, gradually from high grammes per square metre to
Low grammes per square metre direction is developed；And wood pulp is preferentially replaced using waste paper, the paper strength of gained is poor even so and hygroscopicity value is high；
Further, since there is internal sizing variable factor it is more caused by paper quality is unstable, class is difficult the problem of raising,
Most of manufacturer uses or abandoned less internal sizing, then the technique made up using top sizing is become as prevalence
Gesture.
For above-mentioned top sizing process, correspondingly have in production technology to sizing agent claimed below：A) effectively carry
High ring-pressure strength；B) Cobb values (hygroscopicity value) are significantly reduced；C) it is fast to cure speed, it is desirable to which lower machine is with regard to ripe.It is however, existing on the market
Though most Cypres can improve the ring crush intensity of corrugated paper to a certain extent, sizing agent use often be present
Amount is big and the problem of cost is high.
In the prior art, such as a kind of sizing agent disclosed in Chinese patent CN102660899A, although curing speed is fast,
And do not get damp, but be the failure to significantly improve the ring crush intensity of corrugated paper.
Therefore, develop it is a kind of can either effectively improve the ring crush intensity of corrugated paper, and significantly reduce Cobb values, and can is enough
Ensure to cure fireballing corrugated paper Cypres, be one of emphasis that those skilled in the art currently research and develop.
The content of the invention
In order to solve above-mentioned technical problem present in prior art, applied it is contemplated that obtaining a kind of corrugated paper with surface
Cobb values, and energy rapid aging can be not only greatly reduced in jelly, the Cypres, and substantially lower machine is just ripe, and can apply
The ring crush intensity of corrugated paper is increased substantially in the case that jelly dosage is constant.
Therefore, the first aspect of the present invention provides a kind of preparation method of corrugated paper Cypres, including following
Step：
Corrugated paper is well mixed with Cypres base-material, cationic additive, that is, the corrugated paper surface is made
Sizing agent；Wherein, the usage amount of the corrugated paper Cypres base-material is 100 parts by weight, the cationic additive
Usage amount is 5~50 parts by weight；
Wherein, the preparation method of the corrugated paper Cypres base-material comprises the following steps：
Cationic monomer, zirconates, (methyl) acrylic ester monomer, (methyl) styrene, initiator, acetic acid and water are added
Enter into reaction vessel, carry out Raolical polymerizable, generate the corrugated paper Cypres base-material；
Wherein, the preparation method of the cationic additive comprises the following steps：
Alkyl ketene dimer is added into the aqueous solution of cationic emulsifier, is sufficiently stirred, emulsion dispersion is carried out, obtains
Obtain cationic additive.
In addition, measure according to the corrugated paper obtained by method made above with the solid content of Cypres be 15wt%~
45wt%, pH=1~6.
Preferably, in the corrugated paper with the preparation method of Cypres base-material, the weight of each component is such as
Under：
Preferably, in the corrugated paper with the preparation method of Cypres base-material, (methyl) esters of acrylic acid
Monomer is selected from following any one or more：Methyl acrylate, ethyl acrylate, propyl acrylate, n-butyl acrylate, acrylic acid
Isobutyl ester, tert-butyl acrylate, Isooctyl acrylate monomer, methyl methacrylate, EMA, methacrylic acid third
Ester, n-BMA, Isobutyl methacrylate, Tert-butyl Methacrylate, EHMA；The sun
Ion monomer is acrylic acid-N, TMSDMA N dimethylamine base ethyl ester and/or dimethylaminopropyl methacrylamide；The zirconates is carbonic acid
Zirconium and/or acetic acid zirconium；The initiator is selected from following any one or more：The tertiary fourth of dibenzoyl peroxide, perbenzoic acid
Ester, dilauroyl peroxide, the peroxidating -2- ethyl acid tert-butyl esters.
Preferably, the reaction temperature of Raolical polymerizable of the corrugated paper in the preparation method of Cypres base-material
Spend for 80~140 DEG C, the reaction time is 3~8 hours.
In addition, measuring and being with the solid content of Cypres base-material according to the corrugated paper obtained by method made above
15wt%~45wt%, pH=1~6.
Preferably, in the preparation method of the cationic additive, the weight of each component is as follows：
100 parts of alkyl ketene dimer
30~70 parts of cationic emulsifier
158~965 parts of water.
Preferably, in above-mentioned preparation method, the cationic emulsifier is hexadecyltrimethylammonium chloride and/or ten
Eight alkyl trimethyl ammonium chlorides.
Preferably, in the preparation method of the cationic additive, reaction temperature is 70~95 DEG C, the reaction time 0.1
~1 hour, 600~3000rpm of mixing speed.
The second aspect of the present invention provides a kind of corrugated paper Cypres, and it is as described in first aspect present invention
Preparation method is made.
The third aspect of the present invention provides a kind of answering for the corrugated paper Cypres described in second aspect of the present invention
With, it is characterised in that the corrugated paper is used for the surface treatment of fluting medium with Cypres.
Preferably, in above-mentioned application, the surface treatment is：By the corrugated paper Cypres together with starch
Top sizing is carried out to the fluting medium.
In the preparation method of corrugated paper Cypres provided by the present invention, inventor is had found on corrugated paper surface
Cationic additive is added in sizing agent base-material, the ring crush intensity of corrugated paper is unexpectedly greatly improved, is caused simultaneously
The Cobb values of corrugated paper are also decreased obviously；Also, the corrugated paper is placed 24 hours in the environment of relative humidity 95%, its ring
Compressive Strength declines unobvious.This is probably because tool is used in combination in corrugated paper Cypres base-material and alkyl ketene dimer
There is certain synergy so that base-material cationic monomer and alkyl ketene dimer can be the same as the substantial amounts of hydroxyls of fiber surface
Base is bonded, so as to improve the active force between fiber fines, to be obviously improved the apparent ring crush intensity of corrugated paper.It is meanwhile described
Cationic emulsifier in cationic additive can further function as bridging action, enhancing corrugated paper with Cypres base-material with
The synergy of cationic additive, while improving the ring crush intensity of corrugated paper, reduce Cobb values.
In addition, inventor also found, using Cypres provided by the present invention together with starch it is enterprising in corrugated paper
Row top sizing, and when reducing starch dosage 24%~28%, remain able to obtain the ring crush intensity and Cobb for reaching requirement
Value, therefore, raw material (forms sediment when the preparation method of corrugated paper Cypres provided by the present invention can substantially reduce applying glue
Powder) dosage, so as to effectively reducing industrial cost.
It is further known that corrugated paper provided by the present invention is that one kind can meet that paper for surface sizing will with Cypres
The high-performance asked, the product of environmental protection.The product carries out top sizing together with starch to fluting medium, not only can substantially reduce watt
The Cobb values of stupefied paper, accelerate curing speed, and the ring crush intensity of corrugated paper can be increased substantially.
Embodiment
With reference to embodiment, the present invention is further elaborated, but the present invention is not limited to following embodiment party
Formula.
First aspect, there is provided a kind of preparation method of corrugated paper Cypres, comprise the following steps：
Corrugated paper is well mixed with Cypres base-material, cationic additive, that is, the corrugated paper surface is made
Sizing agent；Wherein, the usage amount of the corrugated paper Cypres base-material is 100 parts by weight, the cationic additive
Usage amount is 5~50 parts by weight；
Wherein, the preparation method of the corrugated paper Cypres base-material comprises the following steps：
Cationic monomer, zirconates, (methyl) acrylic ester monomer, (methyl) styrene, initiator, acetic acid and water are added
Enter into reaction vessel, carry out Raolical polymerizable, generate the corrugated paper Cypres base-material；
Wherein, the preparation method of the cationic additive comprises the following steps：
Alkyl ketene dimer is added into the aqueous solution of cationic emulsifier, is sufficiently stirred, emulsion dispersion is carried out, obtains
Obtain cationic additive.
In a preferred embodiment, in the corrugated paper with the preparation method of Cypres base-material, each component
Weight is as follows：
In a preferred embodiment, in the corrugated paper with the preparation method of Cypres base-material, (the first
Base) acrylic ester monomer be selected from it is following any one or more：Methyl acrylate, ethyl acrylate, propyl acrylate, acrylic acid
N-butyl, isobutyl acrylate, tert-butyl acrylate, Isooctyl acrylate monomer, methyl methacrylate, EMA,
Propyl methacrylate, n-BMA, Isobutyl methacrylate, Tert-butyl Methacrylate, methacrylic acid
Different monooctyl ester；The cationic monomer is acrylic acid-N, TMSDMA N dimethylamine base ethyl ester and/or dimethylaminopropyl methacrylamide；
The zirconates is zirconium carbonate and/or acetic acid zirconium；The initiator is selected from following any one or more：Dibenzoyl peroxide, mistake
Aoxidize t-butyl perbenzoate, dilauroyl peroxide, the peroxidating -2- ethyl acid tert-butyl esters.
In a preferred embodiment, radical polymerization of the corrugated paper in the preparation method of Cypres base-material
The reaction temperature of reaction is 80~140 DEG C, and the reaction time is 3~8 hours.
In a preferred embodiment, in the preparation method of the cationic additive, the weight of each component
It is as follows：
100 parts of alkyl ketene dimer
30~70 parts of cationic emulsifier
158~965 parts of water.
In a preferred embodiment, the cationic emulsifier is hexadecyltrimethylammonium chloride and/or octadecane
Base trimethyl ammonium chloride.
In a preferred embodiment, in the preparation method of the cationic additive, reaction temperature is 70~95 DEG C,
0.1~1 hour reaction time, 600~3000rpm of mixing speed.
Second aspect, there is provided a kind of corrugated paper Cypres, it is as the preparation side described in first aspect present invention
Method is made.
The third aspect, there is provided a kind of application of the corrugated paper Cypres described in second aspect of the present invention, it is special
Sign is that the corrugated paper is used for the surface treatment of fluting medium with Cypres.
In a preferred embodiment, described be surface-treated is：By the corrugated paper Cypres together with starch
Top sizing is carried out to the fluting medium.
Embodiment 1
(1) preparation of corrugated paper Cypres base-material：
A) by 100g styrene, 20g n-butyl acrylates, 20g acrylic acid-N, TMSDMA N dimethylamine base ethyl ester, 0.3g peroxidating
Dibenzoyl adds into container in the lump to be well mixed, and obtains mix monomer, standby；
B 161.47g deionized waters) are warming up to 80 DEG C, it is standby；
C) with condenser, Dropping feeder, agitator, thermometer four-hole boiling flask in, first add step A) obtained by
The 10% of mix monomer, be warming up to 80 DEG C, step A is added dropwise in stirring reaction after 10 minutes) obtained by remaining mix monomer, be added dropwise
5 hours time, continue insulation 1 hour after completion of dropwise addition at 80 DEG C, add 10g acetic acid, 80 DEG C of stirring reactions add again after 1 hour
Enter step B) in hot water, continue stirring reaction 1 hour, be cooled to 25 DEG C, add 1g zirconium carbonates, stir, pH=
2.10.Filtered through 100 mesh filter screens, obtain the corrugated paper Cypres base-material, solid content 44.88wt%.
(2) preparation of cationic additive：
A) with condenser, agitator, thermometer four-hole boiling flask in, add 100g alkyl ketene dimers, heating
To 70 DEG C, 20 minutes are incubated at 70 DEG C after melting completely, it is stand-by；
B) in implementation steps A) while, with condenser, agitator, thermometer another four-hole boiling flask in, add
Enter 30g OTACs and 158.9g deionized waters, be stirred well to and be completely dissolved, then heat to 70 DEG C simultaneously
Insulation；
C) by step B) in mixing speed be adjusted to 600rpm, and by step A) gained fused mass is at 70 DEG C, in 5~10
Be slowly added in minute to step B) obtained by the OTAC aqueous solution in, be sufficiently stirred, it is scattered at a high speed
0.1 hour；Then, mixing speed is reduced to 200rpm, and is cooled to 25 DEG C, is filtered through 100 mesh filter screens, the cation is made
Additive, its solid content are 45.13wt%.(3) preparation of corrugated paper Cypres：
Obtained corrugated paper is added into four-hole boiling flask with Cypres base-material 200g and obtained cationic additive 50g
It is middle to mix 10 minutes, the corrugated paper Cypres, solid content 44.78wt%, pH=1.12 is made.
Embodiment 2
(1) preparation of corrugated paper Cypres base-material：
A) by 100g methyl styrenes, 100g Isooctyl acrylate monomers, 100g dimethylaminopropyl methacrylamides, 5g mistakes
Oxidation t-butyl perbenzoate adds into container in the lump to be well mixed, and obtains mix monomer, standby；
B 1783g deionized waters) are warming up to 100 DEG C, it is standby；
C) with condenser, Dropping feeder, agitator, thermometer four-hole boiling flask in, first add step A) obtained by
The 20% of mix monomer, be warming up to 140 DEG C, step A is added dropwise in stirring reaction after 10 minutes) obtained by remaining mix monomer, drop
Continue at 140 DEG C insulation 0.5 hour 1 hour between added-time, after completion of dropwise addition, add 2g acetic acid, 140 DEG C of stirring reactions 20 minutes
Add step B afterwards) in hot water, be cooled to 95 DEG C of stirring reaction half an hour, be subsequently cooled to 25 DEG C, add 10g carbonic acid
Zirconium, stir, pH=5.87.Filtered through 100 mesh filter screens, obtain the corrugated paper Cypres base-material, solid content
15.17wt%.
(2) preparation of cationic additive：
A) with condenser, agitator, thermometer four-hole boiling flask in, add 100g alkyl ketene dimers, heating
To 95 DEG C, 20 minutes are incubated at 95 DEG C after melting completely, it is stand-by；
B) in implementation steps A) while, with condenser, agitator, thermometer another four-hole boiling flask in, add
Enter 70g hexadecyltrimethylammonium chlorides and 963.3g deionized waters, be stirred well to and be completely dissolved, then heat to 95 DEG C simultaneously
Insulation；
C) by step B) in mixing speed be adjusted to 3000rpm, and by step A) gained fused mass at 95 DEG C, in 5~
Be slowly added in 10 minutes to step B) obtained by the hexadecyltrimethylammonium chloride aqueous solution in, be sufficiently stirred, at a high speed point
Dissipate 1 hour；Then, mixing speed is reduced to 200rpm, and is cooled to 25 DEG C, is filtered through 100 mesh filter screens, the cation is made
Additive, its solid content are 15.09wt%.
(3) preparation of corrugated paper Cypres：
Obtained corrugated paper is added into four-hole boiling flask with Cypres base-material 200g and obtained cationic additive 20g
It is middle to mix 10 minutes, the corrugated paper Cypres, solid content 15.07wt%, pH=5.89 is made.
Embodiment 3
(1) preparation of corrugated paper Cypres base-material：
A) by 100g methyl styrenes, 60g EMAs, 50g dimethylaminopropyl methacrylamides, 3g mistakes
Oxidation -2- ethyl acids the tert-butyl ester adds into container in the lump to be well mixed, and obtains mix monomer, standby；
B 503.7g deionized waters) are warming up to 100 DEG C, it is standby；
C) with condenser, Dropping feeder, agitator, thermometer four-hole boiling flask in, first add step A) obtained by
The 15% of mix monomer, be warming up to 110 DEG C, step A is added dropwise in stirring reaction after 10 minutes) obtained by remaining mix monomer, drop
Add time 2 h, continue insulation 1 hour after completion of dropwise addition at 110 DEG C, add 5g acetic acid, 110 DEG C of stirring reactions are after 40 minutes
Add step B) in hot water, be cooled to 95 DEG C of stirring reactions 1 hour, be subsequently cooled to 25 DEG C, add 5g acetic acid zirconiums, stir
Mix uniformly, pH=3.38.Filtered through 100 mesh filter screens, obtain the corrugated paper Cypres base-material, solid content
30.23wt%.
(2) preparation of cationic additive：
A) with condenser, agitator, thermometer four-hole boiling flask in, add 100g alkyl ketene dimers, heating
To 85 DEG C, 20 minutes are incubated at 85 DEG C after melting completely, it is stand-by；
B) in implementation steps A) while, with condenser, agitator, thermometer another four-hole boiling flask in, add
Enter 50g OTACs and 350g deionized waters, be stirred well to and be completely dissolved, then heat to 85 DEG C and protect
Temperature；
C) by step B) in mixing speed be adjusted to 2000rpm, and by step A) gained fused mass at 85 DEG C, in 5~
Be slowly added in 10 minutes to step B) obtained by the OTAC aqueous solution in, be sufficiently stirred, at a high speed point
Dissipate 0.5 hour；Then, reduce mixing speed to 200rpm, and be cooled to 25 DEG C, filtered through 100 mesh filter screens, be made the sun from
Sub- additive, its solid content are 30.25wt%.
(3) preparation of corrugated paper Cypres：
Obtained corrugated paper is added into four-hole boiling flask with Cypres base-material 200g and obtained cationic additive 30g
It is middle to mix 10 minutes, the corrugated paper Cypres, solid content 30.18wt%, pH=3.03 is made.
Embodiment 4
(1) preparation of corrugated paper Cypres base-material：
A) by 50g methyl styrenes, 50g styrene, 20g Isobutyl methacrylates, 20g methyl methacrylates, 30g
Dimethylaminopropyl methacrylamide, 50g acrylic acid-N, TMSDMA N dimethylamine base ethyl ester, 2g dilauroyl peroxides add in the lump
It is well mixed into container, obtains mix monomer, it is standby；
B 662g deionized waters) are warming up to 100 DEG C, it is standby；
C) with condenser, Dropping feeder, agitator, thermometer four-hole boiling flask in, first add step A) obtained by
The 15% of mix monomer, be warming up to 100 DEG C, step A is added dropwise in stirring reaction after 10 minutes) obtained by remaining mix monomer, drop
3 hours between added-time, continue insulation 1 hour after completion of dropwise addition at 100 DEG C, add 7g acetic acid, 100 DEG C of stirring reactions are after 30 minutes
Add step B) in hot water, be cooled to 95 DEG C of stirring reactions 2 hours, be subsequently cooled to 25 DEG C, add 0.5g acetic acid zirconium,
0.5g zirconium carbonates, stir, pH=2.23.Filtered through 100 mesh filter screens, obtain the corrugated paper Cypres base-material,
Solid content 25.16wt%.
(2) preparation of cationic additive：
A) with condenser, agitator, thermometer four-hole boiling flask in, add 100g alkyl ketene dimers, heating
To 90 DEG C, 20 minutes are incubated at 90 DEG C after melting completely, it is stand-by；
B) in implementation steps A) while, with condenser, agitator, thermometer another four-hole boiling flask in, add
Enter 60g hexadecyltrimethylammonium chlorides and 480g deionized waters, be stirred well to and be completely dissolved, then heat to 90 DEG C and protect
Temperature；
C) by step B) in mixing speed be adjusted to 1000rpm, and by step A) gained fused mass at 90 DEG C, in 5~
Be slowly added in 10 minutes to step B) obtained by the hexadecyltrimethylammonium chloride aqueous solution in, be sufficiently stirred, at a high speed point
Dissipate 0.8 hour；Then, reduce mixing speed to 200rpm, and be cooled to 25 DEG C, filtered through 100 mesh filter screens, be made the sun from
Sub- additive, its solid content are 25.25wt%.
(3) preparation of corrugated paper Cypres：
Obtained corrugated paper is added into four-hole boiling flask with Cypres base-material 200g and obtained cationic additive 20g
It is middle to mix 10 minutes, the corrugated paper Cypres, solid content 25.14wt%, pH=4.34 is made.
Application Example
The sizing agent prepared according to method disclosed in Chinese patent CN102660899A (is diluted to solid content with deionized water
15wt%) as a comparison case.
In addition, preparing sizing agent according to above-described embodiment 1~4, and solid content 15wt% is diluted to deionized water.
The configuration of glue application solution：The 500g 10wt% oxidized starch aqueous solution is prepared, is warming up to 90 DEG C, is gelatinized 20 minutes, drop
Temperature is to 40 DEG C, then is separately added into comparative example and sizing agent (oxidized starch (dry) made from embodiment 1~4：Sizing agent (wet)=
50：4), add water and be diluted to 8wt%.
Then, respectively by each glue application solution containing sizing agent made from comparative example and embodiment 1~4 in 120g fluting mediums
On be coated with 10# spreading rods, coating weight 2g/m2, dry 30 seconds or 120 seconds, take in 110 DEG C of baking ovens respectively after coating
Go out, be cooled to room temperature, and carry out following detect：
Cobb values determine：
GB/T 1540- suddenly can be pressed by absorbability analyzer using the XSH types of Hangzhou Qingtong Boke Automation Technology Co., Ltd.
1989 methods detect pattern to be measured.
Ring crush intensity determines：
Pattern to be measured is detected using the CT300A compressive strengths tester of Hangzhou Qingtong Boke Automation Technology Co., Ltd..
Specific testing result see the table below 1, wherein, Cobb values are more low, show that hygroscopicity value is lower, ring crush index gets over Gao Zebiao
Bright intensity is bigger：
Table 1
By contrasting the data in upper table 1, sizing agent made from the embodiment of the present invention 1~4 and comparative example phase are used
Than Cobb values, and energy rapid aging can not only be greatly reduced, and can significantly be carried in the case where sizing agent dosage is constant
The ring crush intensity of high corrugated paper.
The specific embodiment of the present invention is described in detail above, but it is intended only as example, it is of the invention and unlimited
It is formed on particular embodiments described above.To those skilled in the art, it is any to the equivalent modifications that carry out of the present invention and
Substitute also all among scope of the invention.Therefore, the impartial conversion made without departing from the spirit and scope of the invention and
Modification, all should be contained within the scope of the invention.
Claims (9)
1. a kind of preparation method of corrugated paper Cypres, comprises the following steps：
Corrugated paper is well mixed with Cypres base-material, cationic additive, that is, the corrugated paper top sizing is made
Agent；Wherein, the usage amount of the corrugated paper Cypres base-material is 100 parts by weight, the use of the cationic additive
Measure as 5~50 parts by weight；Characterized in that,
The preparation method of the corrugated paper Cypres base-material comprises the following steps：
By cationic monomer, zirconates, (methyl) acrylic ester monomer, (methyl) styrene, initiator, acetic acid and water add to
In reaction vessel, Raolical polymerizable is carried out, generates the corrugated paper Cypres base-material；
The preparation method of the cationic additive comprises the following steps：
Alkyl ketene dimer is added into the aqueous solution of cationic emulsifier, is sufficiently stirred, carries out emulsion dispersion, obtains sun
Ionic additive；
(methyl) acrylic ester monomer is selected from following any one or more：Methyl acrylate, ethyl acrylate, acrylic acid
Propyl ester, n-butyl acrylate, isobutyl acrylate, tert-butyl acrylate, Isooctyl acrylate monomer, methyl methacrylate, methyl
Ethyl acrylate, propyl methacrylate, n-BMA, Isobutyl methacrylate, Tert-butyl Methacrylate,
EHMA；The cationic monomer is acrylic acid-N, TMSDMA N dimethylamine base ethyl ester and/or Methacrylamide propyl group
Dimethyl amine；The zirconates is zirconium carbonate and/or acetic acid zirconium；The initiator is selected from following any one or more：Peroxidating two
Benzoyl, peroxidized t-butyl perbenzoate, dilauroyl peroxide, the peroxidating -2- ethyl acid tert-butyl esters.
2. preparation method according to claim 1, it is characterised in that the system in the corrugated paper with Cypres base-material
In Preparation Method, the weight of each component is as follows：
3. preparation method according to claim 1, it is characterised in that the preparation of corrugated paper Cypres base-material
The reaction temperature of Raolical polymerizable in method is 80~140 DEG C, and the reaction time is 3~8 hours.
4. preparation method according to claim 1, it is characterised in that in the preparation method of the cationic additive,
The weight of each component is as follows：
100 parts of alkyl ketene dimer
30~70 parts of cationic emulsifier
158~965 parts of water.
5. preparation method according to claim 1, it is characterised in that the cationic emulsifier is cetyl trimethyl
Ammonium chloride and/or OTAC.
6. preparation method according to claim 1, it is characterised in that in the preparation method of the cationic additive,
Reaction temperature is 70~95 DEG C, 0.1~1 hour reaction time, 600~3000rpm of mixing speed.
7. a kind of corrugated paper Cypres, it is characterised in that it is as according to the preparation any one of claim 1-6
Method is made.
8. a kind of application of corrugated paper Cypres according to claim 7, it is characterised in that the corrugated paper is used
Cypres are used for the surface treatment of fluting medium.
9. the application of corrugated paper Cypres according to claim 8, it is characterised in that the surface treatment is：
The corrugated paper together with starch is subjected to top sizing with Cypres to the fluting medium.
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| CN102086614B (en) * | 2010-08-25 | 2012-11-14 | 永港伟方（北京）科技股份有限公司 | Surface sizing agent as well as preparation method and application thereof |
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