CN106381760A - Modified AKD (alkyl ketene dimer) neutral sizing agent production technique and application thereof in internal sizing - Google Patents
Modified AKD (alkyl ketene dimer) neutral sizing agent production technique and application thereof in internal sizing Download PDFInfo
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- CN106381760A CN106381760A CN201610826292.3A CN201610826292A CN106381760A CN 106381760 A CN106381760 A CN 106381760A CN 201610826292 A CN201610826292 A CN 201610826292A CN 106381760 A CN106381760 A CN 106381760A
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- akd
- sizing agent
- emulsion
- slurry
- neutral sizing
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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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
-
- 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
- D21H11/00—Pulp or paper, comprising cellulose or lignocellulose fibres of natural origin only
- D21H11/12—Pulp from non-woody plants or crops, e.g. cotton, flax, straw, bagasse
-
- 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
- D21H15/00—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution
- D21H15/02—Pulp or paper, comprising fibres or web-forming material characterised by features other than their chemical constitution characterised by configuration
- D21H15/10—Composite fibres
-
- 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
- D21H17/03—Non-macromolecular organic compounds
- D21H17/05—Non-macromolecular organic compounds containing elements other than carbon and hydrogen only
- D21H17/17—Ketenes, e.g. ketene dimers
-
- 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
- D21H17/63—Inorganic compounds
- D21H17/67—Water-insoluble compounds, e.g. fillers, pigments
- D21H17/675—Oxides, hydroxides or carbonates
-
- 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
- D21H17/71—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes
- D21H17/74—Mixtures of material ; Pulp or paper comprising several different materials not incorporated by special processes of organic and inorganic material
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- Chemical & Material Sciences (AREA)
- Inorganic Chemistry (AREA)
- Paper (AREA)
Abstract
The invention discloses a modified AKD (alkyl ketene dimer) neutral sizing agent production technique. The modified AKD neutral sizing agent production technique comprises the following steps: S1: weighing the following raw materials according to the formula: an amphoteric soap-free styrene-acrylic polymer emulsion, AKD, deionized water and ammonia water; S2: melting the AKD at 60-80 DEG C, slowly pouring the molten AKD into the amphoteric soap-free styrene-acrylic polymer emulsion which is preheated to 60-80 DEG C while stirring, and uniformly mixing by sufficiently stirring; S3: slowly pouring 60-80-DEG C hot water into the AKD emulsion and sufficiently stirring for 3-5 minutes; S4: pouring the semifinished product solution prepared in the step S3 into a high-shear mixing emulsifying machine, emulsifying, adding the AKD emulsion into the frozen deionized water in the stirring state, and sufficiently stirring uniformly to obtain a finished AKD emulsion; and S5: quickly cooling the prepared finished AKD emulsion to room temperature, and discharging, thereby obtaining the finished AKD neutral sizing agent. The technique is simple; and the prepared sizing agent has higher stability.
Description
Technical field
The present invention relates to papermaking chemical product technical field, more particularly, to a kind of modification AKD neutral sizing agent producing process and
The application of its plasm-glue-blending.
Background technology
AKD is a kind of cellulose reactive sizing agent, and it can be used as internal sizing agent, also can be used as Cypres.
The applying glue mechanism of AKD glue is as follows：1. there is hydrophobicity long-chain fat base and reactive functional group in itself；2. AKD glue is added slurry
Interior, due to band positive charge itself or with the help of cationic retention aid agent, keep on the fiber of negative charge.
AKD is that domestic paper mill is the most ripe at present, maximally effective neutral sizing agent.But generally require interpolation during its preparation
, as dispersant, shelf-stability is poor for cationic starch, and sizing efficiency can not meet the requirement to intensity aspect for the paper, or even
The delayed phenomenon of applying glue can be produced.For the paper product having high demands degree of sizing and high intensity, only use AKD emulsion sizing agent difficult to reach
Require.Although synthetic polymer neutral sizing agent plays the role of good in terms of improving intensity, its sizing efficiency is general, single
It is difficult to reach applying glue and the requirement of water resistant aspect when private work neutrality and Cypres.At present, the modification to AKD sizing agent
It is concentrated mainly on its emulsifying effectiveness of raising, but uses organic solvent or small-molecular emulsifier in synthesis more, easily product is used
Effect and operating environment have a negative impact.
Content of the invention
The invention aims to shortcoming present in solution prior art, and a kind of modification AKD neutrality proposing is applied
Colloid production technology and its application of plasm-glue-blending.
To achieve these goals, present invention employs following technical scheme：
A kind of modification AKD neutral sizing agent producing process, this modified AKD neutral sizing agent producing process includes following step
Suddenly：
S1：Recipe ratio according to constitutive material weighs following raw material：Both sexes soap-free styrene polymer emulsion, AKD, deionization
Water, ammonia；
S2：Under 60-80 DEG C of temperature conditionss after AKD fusing, the AKD of fusing is poured slowly into while stirring and adds in advance
Heat is to 60-80 DEG C of both sexes soap-free styrene polymer emulsion, and is sufficiently stirred for making its mix homogeneously；
S3：Again 60-80 DEG C of hot water is poured slowly in AKD emulsion, and is sufficiently stirred for 3-5min；
S4：The semi-finished product solution being obtained in step S3 is poured in high shearing mixing emulsor and carries out emulsifying, and in stirring
In the state of, AKD emulsion is added to freezing deionized water, and stirs, finished product AKD emulsion；
S5：Above-mentioned prepared finished product AKD emulsion is rapidly cooled to room temperature, discharging, finished product AKD neutral sizing agent.
Preferably, the ratio of described both sexes soap-free styrene polymer emulsion and AKD is 1:4.6.
Preferably, the percentage of the finished product AKD emulsion being obtained in described step S4 is 10%.
A kind of application of the plasm-glue-blending of modification AKD neutral sizing agent, applies in the slurry of this modified AKD neutral sizing agent described
The application of glue comprises the following steps that：
S1：Recipe ratio according to constitutive material weighs following raw material：AKD sizing agent, ammonia, cationic starch, cation
Polyacrylamide, Calcium Carbonate, vegetation mixing slurry, wood pulp, iron chloride, ammonium thiocyanate；
S2：The above-mentioned slurry weighing is added in tissue mashing refiner and is disperseed, wherein slurry concentration is 1%；
S3：It is quantitatively adding cationic starch, AKD sizing agent, cation polypropylene successively in the slurry after above-mentioned dispersion
Amide or addition filler-calcium carbonate, and often add a defective material, all it is sufficiently stirred for 1min；
S4：Mixed for step S3 slurry is adjusted the PH to 8-8.5 of pulp-water with ammonia；
S5：Pulp-water handsheet after step S4 is adjusted, squeezing, drying, wherein, drying temperature is 105 DEG C, and Substance is
90g/m2.
Preferably, the slurry in described step S2 is one of vegetation mixing slurry and wood pulp or two kinds of mixture.
Preferably, described vegetation mixing slurry is the mixed liquor of wheat straw and wood pulp, and wheat straw：Wood pulp=7:3.
A kind of modification AKD neutral sizing agent producing process and its application of plasm-glue-blending that the present invention provides, this technique letter
Single, prepared AKD emulsion has the characteristics that good fluidity, dispersibility, excellent in stability, meets premise bar necessary to sizing agent
Part；And, the application of the applying glue of AKD have be evenly distributed, consumption is few, sizing efficiency is high, improve paper strength, aging resistance and
The features such as improve dimensional stability.
Specific embodiment
In order that the objects, technical solutions and advantages of the present invention become more apparent, below in conjunction with specific embodiment, to this
Invention is further elaborated.It should be appreciated that specific embodiment described herein is only in order to explain the present invention, not
For limiting the present invention.
Embodiment 1
A kind of modification AKD neutral sizing agent producing process, this modified AKD neutral sizing agent producing process includes following step
Suddenly：
S1：Recipe ratio according to constitutive material weighs following raw material：Both sexes soap-free styrene polymer emulsion, AKD, deionization
Water, ammonia, the ratio of described both sexes soap-free styrene polymer emulsion and AKD is 1:4.6；
S2：Under 60-80 DEG C of temperature conditionss after AKD fusing, the AKD of fusing is poured slowly into while stirring and adds in advance
Heat is to 60 DEG C of both sexes soap-free styrene polymer emulsion, and is sufficiently stirred for making its mix homogeneously；
S3：Again 60 DEG C of hot water is poured slowly in AKD emulsion, and is sufficiently stirred for 3min；
S4：The semi-finished product solution being obtained in step S3 is poured in high shearing mixing emulsor and carries out emulsifying, and in stirring
In the state of, AKD emulsion is added to freezing deionized water, and stirs, finished product AKD emulsion, described one-tenth
The percentage of product AKD emulsion is 10%；
S5：Above-mentioned prepared finished product AKD emulsion is rapidly cooled to room temperature, discharging, finished product AKD neutral sizing agent.
A kind of application of the plasm-glue-blending of modification AKD neutral sizing agent, applies in the slurry of this modified AKD neutral sizing agent described
The application of glue comprises the following steps that：
S1：Recipe ratio according to constitutive material weighs following raw material：AKD sizing agent, ammonia, cationic starch, cation
Polyacrylamide, Calcium Carbonate, vegetation mixing slurry, wood pulp, iron chloride, ammonium thiocyanate；
S2：The above-mentioned slurry weighing is added in tissue mashing refiner and is disperseed, wherein slurry concentration is 1%,
Described slurry is one of vegetation mixing slurry and wood pulp or two kinds of mixture, and described vegetation mixing slurry is wheat straw and wood pulp
Mixed liquor, and wheat straw：Wood pulp=7:3；
S3：It is quantitatively adding cationic starch, AKD sizing agent, cation polypropylene successively in the slurry after above-mentioned dispersion
Amide or addition filler-calcium carbonate, and often add a defective material, all it is sufficiently stirred for 1min；
S4：Mixed for step S3 slurry is adjusted the PH to 8 of pulp-water with ammonia；
S5：Pulp-water handsheet after step S4 is adjusted, squeezing, drying, wherein, drying temperature is 105 DEG C, and Substance is
90g/m2.
Embodiment 2
A kind of modification AKD neutral sizing agent producing process, this modified AKD neutral sizing agent producing process includes following step
Suddenly：
S1：Recipe ratio according to constitutive material weighs following raw material：Both sexes soap-free styrene polymer emulsion, AKD, deionization
Water, ammonia, the ratio of described both sexes soap-free styrene polymer emulsion and AKD is 1:4.6；
S2：Under 60-80 DEG C of temperature conditionss after AKD fusing, the AKD of fusing is poured slowly into while stirring and adds in advance
Heat is to 80 DEG C of both sexes soap-free styrene polymer emulsion, and is sufficiently stirred for making its mix homogeneously；
S3：Again 80 DEG C of hot water is poured slowly in AKD emulsion, and is sufficiently stirred for 5min；
S4：The semi-finished product solution being obtained in step S3 is poured in high shearing mixing emulsor and carries out emulsifying, and in stirring
In the state of, AKD emulsion is added to freezing deionized water, and stirs, finished product AKD emulsion, described one-tenth
The percentage of product AKD emulsion is 10%；
S5：Above-mentioned prepared finished product AKD emulsion is rapidly cooled to room temperature, discharging, finished product AKD neutral sizing agent.
A kind of application of the plasm-glue-blending of modification AKD neutral sizing agent, applies in the slurry of this modified AKD neutral sizing agent described
The application of glue comprises the following steps that：
S1：Recipe ratio according to constitutive material weighs following raw material：AKD sizing agent, ammonia, cationic starch, cation
Polyacrylamide, Calcium Carbonate, vegetation mixing slurry, wood pulp, iron chloride, ammonium thiocyanate；
S2：The above-mentioned slurry weighing is added in tissue mashing refiner and is disperseed, wherein slurry concentration is 1%,
Described slurry is one of vegetation mixing slurry and wood pulp or two kinds of mixture, and described vegetation mixing slurry is the mixed of wheat straw and wood pulp
Close liquid, and wheat straw：Wood pulp=7:3；
S3：It is quantitatively adding cationic starch, AKD sizing agent, cation polypropylene successively in the slurry after above-mentioned dispersion
Amide or addition filler-calcium carbonate, and often add a defective material, all it is sufficiently stirred for 1min；
S4：Mixed for step S3 slurry is adjusted the PH to 8.5 of pulp-water with ammonia；
S5：Pulp-water handsheet after step S4 is adjusted, squeezing, drying, wherein, drying temperature is 105 DEG C, and Substance is
90g/m2.
Embodiment 3
A kind of modification AKD neutral sizing agent producing process, this modified AKD neutral sizing agent producing process includes following step
Suddenly：
S1：Recipe ratio according to constitutive material weighs following raw material：Both sexes soap-free styrene polymer emulsion, AKD, deionization
Water, ammonia, the ratio of described both sexes soap-free styrene polymer emulsion and AKD is 1:4.6；
S2：Under 65 DEG C of temperature conditionss after AKD fusing, the AKD of fusing is poured slowly into while stirring and heats in advance
To 65 DEG C of both sexes soap-free styrene polymer emulsion, and it is sufficiently stirred for making its mix homogeneously；
S3：Again 65 DEG C of hot water is poured slowly in AKD emulsion, and is sufficiently stirred for 3.5min；
S4：The semi-finished product solution being obtained in step S3 is poured in high shearing mixing emulsor and carries out emulsifying, and in stirring
In the state of, AKD emulsion is added to freezing deionized water, and stirs, finished product AKD emulsion, described one-tenth
The percentage of product AKD emulsion is 10%；
S5：Above-mentioned prepared finished product AKD emulsion is rapidly cooled to room temperature, discharging, finished product AKD neutral sizing agent.
A kind of application of the plasm-glue-blending of modification AKD neutral sizing agent, applies in the slurry of this modified AKD neutral sizing agent described
The application of glue comprises the following steps that：
S1：Recipe ratio according to constitutive material weighs following raw material：AKD sizing agent, ammonia, cationic starch, cation
Polyacrylamide, Calcium Carbonate, vegetation mixing slurry, wood pulp, iron chloride, ammonium thiocyanate；
S2：The above-mentioned slurry weighing is added in tissue mashing refiner and is disperseed, wherein slurry concentration is 1%,
Described slurry is one of vegetation mixing slurry and wood pulp or two kinds of mixture, and described vegetation mixing slurry is the mixed of wheat straw and wood pulp
Close liquid, and wheat straw：Wood pulp=7:3；
S3：It is quantitatively adding cationic starch, AKD sizing agent, cation polypropylene successively in the slurry after above-mentioned dispersion
Amide or addition filler-calcium carbonate, and often add a defective material, all it is sufficiently stirred for 1min；
S4：Mixed for step S3 slurry is adjusted the PH to 8.125 of pulp-water with ammonia；
S5：Pulp-water handsheet after step S4 is adjusted, squeezing, drying, wherein, drying temperature is 105 DEG C, Substance
For 90g/m2.
Comprehensive above example, a kind of present invention offer modification AKD neutral sizing agent producing process and its plasm-glue-blending
Application most preferred embodiment be：
A kind of modification AKD neutral sizing agent producing process, this modified AKD neutral sizing agent producing process includes following step
Suddenly：
S1：Recipe ratio according to constitutive material weighs following raw material：Both sexes soap-free styrene polymer emulsion, AKD, deionization
Water, ammonia, the ratio of described both sexes soap-free styrene polymer emulsion and AKD is 1:4.6；
S2：Under 70 DEG C of temperature conditionss after AKD fusing, the AKD of fusing is poured slowly into while stirring and heats in advance
To 70 DEG C of both sexes soap-free styrene polymer emulsion, and it is sufficiently stirred for making its mix homogeneously；
S3：Again 70 DEG C of hot water is poured slowly in AKD emulsion, and is sufficiently stirred for 4min；
S4：The semi-finished product solution being obtained in step S3 is poured in high shearing mixing emulsor and carries out emulsifying, and in stirring
In the state of, AKD emulsion is added to freezing deionized water, and stirs, finished product AKD emulsion, described one-tenth
The percentage of product AKD emulsion is 10%；
S5：Above-mentioned prepared finished product AKD emulsion is rapidly cooled to room temperature, discharging, finished product AKD neutral sizing agent.
A kind of application of the plasm-glue-blending of modification AKD neutral sizing agent, applies in the slurry of this modified AKD neutral sizing agent described
The application of glue comprises the following steps that：
S1：Recipe ratio according to constitutive material weighs following raw material：AKD sizing agent, ammonia, cationic starch, cation
Polyacrylamide, Calcium Carbonate, vegetation mixing slurry, wood pulp, iron chloride, ammonium thiocyanate；
S2：The above-mentioned slurry weighing is added in tissue mashing refiner and is disperseed, wherein slurry concentration is 1%,
Described slurry is one of vegetation mixing slurry and wood pulp or two kinds of mixture, and described vegetation mixing slurry is the mixed of wheat straw and wood pulp
Close liquid, and wheat straw：Wood pulp=7:3；
S3：It is quantitatively adding cationic starch, AKD sizing agent, cation polypropylene successively in the slurry after above-mentioned dispersion
Amide or addition filler-calcium carbonate, and often add a defective material, all it is sufficiently stirred for 1min；
S4：Mixed for step S3 slurry is adjusted the PH to 8.25 of pulp-water with ammonia；
S5：Pulp-water handsheet after step S4 is adjusted, squeezing, drying, wherein, drying temperature is 105 DEG C, and Substance is
90g/m2.
Claims (6)
1. a kind of modification AKD neutral sizing agent producing process it is characterised in that：This modified AKD neutral sizing agent producing process bag
Include following steps：
S1：Recipe ratio according to constitutive material weighs following raw material：Both sexes soap-free styrene polymer emulsion, AKD, deionized water,
Ammonia；
S2：Under 60-80 DEG C of temperature conditionss after AKD fusing, the AKD of fusing is poured slowly into while stirring and is previously heated to
In 60-80 DEG C of both sexes soap-free styrene polymer emulsion, and it is sufficiently stirred for making its mix homogeneously；
S3：Again 60-80 DEG C of hot water is poured slowly in AKD emulsion, and is sufficiently stirred for 3-5min；
S4：The semi-finished product solution being obtained in step S3 is poured into and in high shearing mixing emulsor, carries out emulsifying, and the shape in stirring
Under state, AKD emulsion is added to freezing deionized water, and stirs, finished product AKD emulsion；
S5：Above-mentioned prepared finished product AKD emulsion is rapidly cooled to room temperature, discharging, finished product AKD neutral sizing agent.
2. according to claim 1 a kind of modification AKD neutral sizing agent producing process it is characterised in that：Described both sexes are no
The ratio of soap cinepazid polymer emulsion and AKD is 1:4.6.
3. according to claim 1 a kind of modification AKD neutral sizing agent producing process it is characterised in that：Described step S4
In be obtained finished product AKD emulsion percentage be 10%.
4. a kind of modification AKD neutral sizing agent plasm-glue-blending application it is characterised in that：This modified AKD neutral sizing described
The application of the plasm-glue-blending of agent comprises the following steps that：
S1：Recipe ratio according to constitutive material weighs following raw material：AKD sizing agent, ammonia, cationic starch, cation poly- third
Acrylamide, Calcium Carbonate, vegetation mixing slurry, wood pulp, iron chloride, ammonium thiocyanate；
S2：The above-mentioned slurry weighing is added in tissue mashing refiner and is disperseed, wherein slurry concentration is 1%；
S3：It is quantitatively adding cationic starch, AKD sizing agent, PAMC successively in the slurry after above-mentioned dispersion
Or addition filler-calcium carbonate, and often add a defective material, all it is sufficiently stirred for 1min；
S4：Mixed for step S3 slurry is adjusted the PH to 8-8.5 of pulp-water with ammonia；
S5：Pulp-water handsheet after step S4 is adjusted, squeezing, drying, wherein, drying temperature is 105 DEG C, and Substance is 90g/
m2.
5. according to claim 4 a kind of modification AKD neutral sizing agent plasm-glue-blending application it is characterised in that：Institute
Stating the slurry in step S2 is one of vegetation mixing slurry and wood pulp or two kinds of mixture.
6. according to claim 5 a kind of modification AKD neutral sizing agent plasm-glue-blending application it is characterised in that：Institute
State the mixed liquor that vegetation mixing slurry is wheat straw and wood pulp, and wheat straw：Wood pulp=7:3.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610826292.3A CN106381760A (en) | 2016-09-16 | 2016-09-16 | Modified AKD (alkyl ketene dimer) neutral sizing agent production technique and application thereof in internal sizing |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610826292.3A CN106381760A (en) | 2016-09-16 | 2016-09-16 | Modified AKD (alkyl ketene dimer) neutral sizing agent production technique and application thereof in internal sizing |
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| CN106381760A true CN106381760A (en) | 2017-02-08 |
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ID=57935606
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| CN201610826292.3A Pending CN106381760A (en) | 2016-09-16 | 2016-09-16 | Modified AKD (alkyl ketene dimer) neutral sizing agent production technique and application thereof in internal sizing |
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Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649581A (en) * | 2009-09-01 | 2010-02-17 | 陕西科技大学 | Method for preparing amphoteric high molecular base AKD emulsion |
| CN102635021A (en) * | 2012-05-04 | 2012-08-15 | 陕西科技大学 | Preparation method of high-reactivity cation AKD (Alkyl Ketene Dimer) neutral/alkaline sizing agent |
| CN102660895A (en) * | 2012-05-04 | 2012-09-12 | 陕西科技大学 | Preparation method for high-efficient AKD (Alkyl Ketene dimer) neutral/alkaline sizing agent |
-
2016
- 2016-09-16 CN CN201610826292.3A patent/CN106381760A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101649581A (en) * | 2009-09-01 | 2010-02-17 | 陕西科技大学 | Method for preparing amphoteric high molecular base AKD emulsion |
| CN102635021A (en) * | 2012-05-04 | 2012-08-15 | 陕西科技大学 | Preparation method of high-reactivity cation AKD (Alkyl Ketene Dimer) neutral/alkaline sizing agent |
| CN102660895A (en) * | 2012-05-04 | 2012-09-12 | 陕西科技大学 | Preparation method for high-efficient AKD (Alkyl Ketene dimer) neutral/alkaline sizing agent |
Non-Patent Citations (1)
| Title |
|---|
| 张勇等: "两性无皂苯丙聚合物的制备及其乳化烷基烯酮(AKD)的应用研究", 《中华纸业》 * |
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Application publication date: 20170208 |