CN110407969A - A kind of efficient surface sizing agent and its preparation method and application - Google Patents
A kind of efficient surface sizing agent and its preparation method and application Download PDFInfo
- Publication number
- CN110407969A CN110407969A CN201910648660.3A CN201910648660A CN110407969A CN 110407969 A CN110407969 A CN 110407969A CN 201910648660 A CN201910648660 A CN 201910648660A CN 110407969 A CN110407969 A CN 110407969A
- Authority
- CN
- China
- Prior art keywords
- sizing agent
- monomer
- surface sizing
- paper
- efficient surface
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F212/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by an aromatic carbocyclic ring
- C08F212/02—Monomers containing only one unsaturated aliphatic radical
- C08F212/04—Monomers containing only one unsaturated aliphatic radical containing one ring
- C08F212/06—Hydrocarbons
- C08F212/08—Styrene
-
- 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
- D21H19/00—Coated paper; Coating material
- D21H19/10—Coatings without pigments
- D21H19/14—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12
- D21H19/20—Coatings without pigments applied in a form other than the aqueous solution defined in group D21H19/12 comprising macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
- D21H19/22—Polyalkenes, e.g. polystyrene
-
- 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
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
Abstract
The invention discloses a kind of efficient surface sizing agents and its preparation method and application.The Cypres are prepared by prepolymerization, two stages of polymerization, and the Cypres are by following polymerization monomer composition: the hard monomer of 55~75wt%；The soft monomer of 15~35wt%；The cationic monomer of 5~15wt%；The unsaturated carboxylic acid of 2~6wt%；Contain butadiene in the soft monomer, and hard monomer and butadiene weight ratio are 2:1~4:1.High potential Surface Sizing Agent provided by the invention can have extraordinary water resistance, film forming and thermoplasticity with a large amount of hydroxy combining of fiber surface because of cationic with higher.Its film layer formed, it is close and smooth, on the one hand, the water-resistance that can be improved paper reduces the Cobb value of paper, anti-ability raising of getting damp；On the other hand, it can assign paper preferable strength character.In addition to this, moreover it is possible to improve the smoothness of paper, reduce foam and impurity in Process of Applying Glue, improve the stability of production.
Description
[technical field]
The present invention relates to a kind of Cypres, specifically a kind of paper grade (stock) efficient surface sizing agent and preparation method thereof and
Using.
[background technique]
It is more applied to the chemical assistant kind of top sizing at present, mainly there are natural polymer and synthetic polymer two
Class.Natural polymer product is because price is low, source is extensively widely used always, and wherein modified starch occupies space of top prominence, but
It is that modified starch is easy to appear the phenomenon that picking falls off when doing top sizing.As the rapid development of petroleum industry and macromolecule are closed
At continuously improving for technique, more and more Surface Sizing Agents are applied in paper industry.
CN101558086B discloses a kind of granuliform cation polymer dispersoid, passes through ethylenically unsaturated monomer
Emulsion polymerization is carried out in the aqueous solution as the cationic prepolymer polymers of dispersing agent and is obtained.
US4659431 discloses the cationic paper sizing of method preparation in two steps.From containing N, N- bis- first in alcohol
It is total that the acrylate and/or methacrylate of methylaminoethyl, the monomer mixture of styrene and acrylonitrile prepare solution
Polymers.In second, the emulsion polymerization of styrene, acrylate and/or methacrylate and optional acrylonitrile uses water
Soluble initiator.In addition, cation and/or nonionic emulsifier are also added in some cases.
[summary of the invention]
Technical problem to be solved by the present invention lies in propose a kind of efficient surface sizing agent and preparation method thereof and answer
With.
In order to solve the above-mentioned technical problem, the invention adopts the following technical scheme: a kind of efficient surface sizing agent, the table
Surface sizing agent is prepared by prepolymerization, two stages of polymerization, and the Cypres are by following polymerization monomer composition: 55
The hard monomer of~75wt%；The soft monomer of 15~35wt%；The cationic monomer of 5~15wt%；The unsaturated carboxylic of 2~6wt%
Acid；Contain butadiene in the soft monomer, and hard monomer and butadiene weight ratio are 2:1~4:1；The polymer surfaces are applied
The glass transition temperature of jelly is 40~50 DEG C, and partial size is 60~150nm, and Zeta potential is+40~+60mV, and solid content is
29~31%.
Furthermore, in above-mentioned technical proposal, the hard monomer is by styrene, methyl styrene, acrylonitrile, methyl
One of acrylonitrile, methyl methacrylate a variety of mix.
Furthermore, in above-mentioned technical proposal, the soft monomer is the mixture of tert-butyl acrylate and butadiene,
The two weight ratio are as follows: 1:1.5 to 1:2.5.
Furthermore, in above-mentioned technical proposal, the cationic monomer is by dimethylamine ethyl
Ester, dimethylaminoethyl acrylate ester, dimethylaminopropyl Methacrylamide, trimethylammoniumethyl Methacrylamide
One of or a variety of mix.
Furthermore, in above-mentioned technical proposal, the unsaturated carboxylic acid is by acrylic acid, methacrylic acid, itaconic acid
One of or a variety of mix.
Furthermore, in above-mentioned technical proposal, the preparation method of the Cypres is the following steps are included: (1)
Prepolymerisation stage: 4~8wt% glacial acetic acid, 0.05~0.4wt% initiator are added in reaction kettle, stirring heating；Temperature rises to
120 DEG C, start 15~25wt% of dropwise addition hard monomer, 5~15wt% cationic monomer, 0.5~4wt% unsaturated carboxylic acid and 6
~11wt% glacial acetic acid, 0.2~0.6wt% initiator, time for adding are 30~90min；After completion of dropwise addition heat preservation 30~
90min, heat preservation terminate, and start 40~60 parts of deionized waters of dropwise addition, time for adding 60min；Completion of dropwise addition is cooled to 85 DEG C,
And keep the temperature 40~70min；(2) polymerization stage: into the prepolymer of above-mentioned preparation be added 0.03~0.07wt% initiator and
0.01~0.03wt% defoaming agent；Continue dropwise addition 30~60wt% hard monomer after mixing evenly, 15~30wt% soft monomer, 20~
30wt% deionized water and 2.5~5wt% initiator, time for adding are that 90~120min dropping temperature is 80 DEG C；Completion of dropwise addition,
80 DEG C of heat preservation 60min；It is cooled to room temperature, 0.05~0.15wt% defoaming agent is added, and deionized water is added and adjusts solid content, out
Material.
Furthermore, in above-mentioned technical proposal, the hydrophilic lipophilic balance of the prepolymer is 3~10, critical glue
Beam concentration is 0.2~0.7g/L, and molecular weight is 10,000~100,000, dimethyl amine or Trimethylamine group content be 0.4~
0.6mmol/g。
Furthermore, in above-mentioned technical proposal, the initiator is azodiisobutyronitrile salt or ferrous sulfate-
One of hydrogen peroxide system, sodium sulfite-ammonium persulfate redox system.
Furthermore, in above-mentioned technical proposal, which is applied in field of papermaking, specifically
Are as follows: by the Surface Sizing Agent and gelatinized starch according to the proportional arrangement of 0.2:99.8~0.5:99.5 at solution
Afterwards, paper is placed and wherein impregnates 10~60s, be subsequently placed in 120 DEG C of baking ovens dry 5-10min.
High potential Surface Sizing Agent provided by the invention can be with fiber table because of cationic with higher
The a large amount of hydroxy combining in face has extraordinary water resistance, film forming and thermoplasticity.Its film layer formed, it is close and smooth, one
Aspect can be improved the water-resistance of paper, reduce the Cobb value of paper, anti-ability raising of getting damp；On the other hand, it can assign
The preferable strength character of paper, such as improve its folding strength and bursting strength.In addition to this, moreover it is possible to improve the smoothness of paper, drop
Foam and impurity in low Process of Applying Glue, improve the stability of production.
[specific embodiment]
The present invention be a kind of paper grade (stock) efficient surface sizing agent and the Cypres preparation method and its answer
With.
The Surface Sizing Agent is by following polymerization monomer composition:
The hard monomer of 55~75wt%；
The soft monomer of 15~35wt%；
The cationic monomer of 5~15wt%；
The unsaturated carboxylic acid of 2~6wt%；
The hard monomer is by styrene, methyl styrene, acrylonitrile, methacrylonitrile, methyl methacrylate
It is one or more to mix.Wherein preferably, 30~35wt% of styrene, 2~6wt% of acrylonitrile, methyl methacrylate 2~
8wt%.
Contain butadiene in the soft monomer, soft monomer preferred mass is than the tert-butyl acrylate for 1:1.5 to 1:2.5
With the mixture of butadiene.Wherein, hard monomer and butadiene weight ratio are 2:1~4:1, preferably 3:1.
The cationic monomer by dimethylamine ethyl ester, dimethylaminoethyl acrylate ester,
One of dimethylaminopropyl Methacrylamide, trimethylammoniumethyl Methacrylamide a variety of mix.It is excellent
Selecting mass ratio is the dimethylaminopropyl Methacrylamide of 1:1~1:2, the mixing of dimethylamine ethyl ester
Object.
The unsaturated carboxylic acid is by one of acrylic acid, methacrylic acid, itaconic acid or a variety of mixes.
The Cypres being prepared, glass transition temperature are 40~50 DEG C, and partial size is 60~150nm, Zeta
Current potential is+40~+60mV, and solid content is 29~31%.
The preparation method of the Surface Sizing Agent the following steps are included:
(1) prepolymerisation stage: 4~8wt% glacial acetic acid, 0.05~0.4wt% azodiisobutyronitrile are added in reaction kettle,
Stirring heating；Temperature rises to 120 DEG C, start 15~25wt% of dropwise addition hard monomer, 5~15wt% cationic monomer, 0.5~
4wt% unsaturated carboxylic acid and 6~11wt% glacial acetic acid, 0.2~0.6wt% azodiisobutyronitrile, time for adding be 30min extremely
90min；30~90min is kept the temperature after completion of dropwise addition, heat preservation terminates, and is cooled to 100 DEG C, and start 40~60 parts of deionizations of dropwise addition
Water, time for adding 60min；Completion of dropwise addition is cooled to 85 DEG C, and keeps the temperature 40~70min.
The hydrophilic lipophilic balance of the prepolymer is 3~10, and critical micelle concentration is 0.2~0.7g/L, molecular weight 1
Ten thousand~100,000, dimethyl amine or Trimethylamine group content are 0.4~0.6mmol/g.
(2) polymerization stage: be added into the prepolymer of above-mentioned preparation 0.03~0.07wt% initiator and 0.01~
0.03wt% defoaming agent；Continue dropwise addition 30~60wt% hard monomer, 15~30wt% soft monomer, 20~30wt% after mixing evenly
Deionized water and 2.5~5wt% initiator, time for adding are that 90~120min dropping temperature is 80 DEG C；Completion of dropwise addition, 80 DEG C of guarantors
Warm 60min；It is cooled to room temperature, 0.05~0.15wt% defoaming agent is added, and appropriate amount of deionized water adjusting is added and contains admittedly, is discharged.
The initiator is azodiisobutyronitrile salt or ferrous sulfate-hydrogen peroxide system, sodium sulfite-persulfuric acid
One of ammonium redox system.
The paper grade (stock) Surface Sizing Agent is applied in field of papermaking, for the top sizing of all kinds of paper, after sizing
Paper has excellent water-resistance.Concrete application method are as follows: by the Surface Sizing Agent and gelatinized starch according to
After the proportional arrangement of 0.2:99.8~0.5:99.5 is at solution, paper is placed and wherein impregnates 10~60s, is subsequently placed in 120 DEG C
Dry 5-10min in baking oven.
The present invention is further detailed with reference to embodiments.In embodiment and comparative example, all materials are equal
Based on mass fraction.Entire reaction process is replaced with nitrogen, and blender is housed, and the stainless steel high pressure of temperature controllable is anti-
It answers and carries out in kettle.
Embodiment 1
Prepolymerisation stage: 6wt% glacial acetic acid, 0.15wt%AIBN are added in reaction kettle, stirring heating；Temperature rises to
120 DEG C, starts that 20wt%St, 10wt%DMAPMA, 2wt%AA and 10wt% glacial acetic acid, 0.4wt%AIBN is added dropwise, be added dropwise
Time is 60min；60min is kept the temperature after completion of dropwise addition, heat preservation terminates, 100 DEG C are cooled to, and start that 50 parts of deionized waters are added dropwise,
Time for adding is 60min；Completion of dropwise addition is cooled to 85 DEG C, and keeps the temperature 50min.
Polymerization stage: 0.05wt% ferrous sulfate is added into above-mentioned prepolymer in a high pressure reaction kettle and 0.02wt% disappears
Infusion；Continue that 40wt%St, 13wt%t-BA is added dropwise after mixing evenly, 15wt%Bd and 25wt% deionized water, 3wt% are dense
The H that degree is 30%2O2, time for adding is that 120min dropping temperature is 80 DEG C；Completion of dropwise addition, 80 DEG C of heat preservation 60min, heat preservation terminate
Sodium Thiosulfate formaldehyde is added and cools down, is eventually adding 0.08wt% defoaming agent, and appropriate amount of deionized water is added and adjusts solid content
It is 30%, obtains the Surface Sizing Agent lotion of blueing light.
The Surface Sizing Agent Glass Transition Temperature of Latex of above-mentioned blueing light is 46 DEG C；Partial size is 115nm；Zate current potential
For+40mV.
Embodiment 2~11
2~11 reaction process of embodiment is shown in embodiment 1, each composition, change in reaction conditions and corresponding emulsion property
Table 1.
Correspondence english abbreviation in embodiment 1 and table 1 is as follows: St- styrene；DMAPMA- dimethylamino-propyl methyl-prop
Acrylamide；AA- acrylic acid；AIBN- azodiisobutyronitrile；T1Prepolymerisation stage reaction temperature；t1Prepolymerisation stage monomer dropping
Time+soaking time；T-BA- tert-butyl acrylate；Bd- butadiene；T2Polymerization stage reaction temperature；t1Polymerization stage monomer &
Initiator time for adding+soaking time.
Comparative example
55wt% cationic starch is gelatinized under the conditions of 45 DEG C, 0.05wt% sulphur is added into the starch solution being gelatinized
Sour ferrous and 0.02wt% defoaming agent；Continue after mixing evenly be added dropwise 40wt%St, 28wt%t-BA, 25wt% deionized water and
The H that 3wt% concentration is 30%2O2, feed time 120min, dropping temperature is 80 DEG C；Completion of dropwise addition, 80 DEG C of heat preservation 60min,
Heat preservation terminates that Sodium Thiosulfate formaldehyde is added and cools down, and is eventually adding 0.08wt% defoaming agent, and appropriate amount of deionized water tune is added
Saving solid content is 30%, obtains the Surface Sizing Agent lotion of blueing light.
The glass transition temperature of the Surface Sizing Agent lotion of above-mentioned blueing light is 54 DEG C；Partial size is 108nm；Zate electricity
Position is+28mV.
It will be tested through paper for surface sizing, the film layer after sizing in paper surface formation is close and smooth, paper water-resistance
Enhancing, cobb value are decreased obviously, and performance is as shown in table 2.
High potential Surface Sizing Agent provided by the invention can be with fiber table because of cationic with higher
The a large amount of hydroxy combining in face has extraordinary water resistance, film forming and thermoplasticity.Its film layer formed, it is close and smooth, one
Aspect can be improved the water-resistance of paper, reduce the Cobb value of paper, anti-ability raising of getting damp；On the other hand, it can assign
The preferable strength character of paper, such as improve its folding strength and bursting strength.In addition to this, moreover it is possible to improve the smoothness of paper, drop
Foam and impurity in low Process of Applying Glue, improve the stability of production.
Certainly, the above is only a specific embodiment of the present invention, be not to limit the scope of the present invention, it is all according to
The equivalent change or modification that structure, feature and principle described in scope of the present invention patent is done should be included in Shen of the present invention
It please be in the scope of the patents.
Claims (9)
1. a kind of efficient surface sizing agent, which is prepared by prepolymerization, two stages of polymerization, and feature exists
In:
The Cypres are by following polymerization monomer composition:
The hard monomer of 55~75wt%；
The soft monomer of 15~35wt%；
The cationic monomer of 5~15wt%；
The unsaturated carboxylic acid of 2~6wt%；
Contain butadiene in the soft monomer, and hard monomer and butadiene weight ratio are 2:1~4:1；
The glass transition temperature of the Surface Sizing Agent is 40~50 DEG C, and partial size is 60~150nm, and Zeta potential is
+ 40~+60mV, solid content are 29~31%.
2. a kind of efficient surface sizing agent according to claim 1, it is characterised in that: the hard monomer by styrene,
One of methyl styrene, acrylonitrile, methacrylonitrile, methyl methacrylate a variety of mix.
3. a kind of efficient surface sizing agent according to claim 1, it is characterised in that: the soft monomer is acrylic acid uncle
The mixture of butyl ester and butadiene, the two weight ratio are as follows: 1:1.5 to 1:2.5.
4. a kind of efficient surface sizing agent according to claim 1, it is characterised in that: the cationic monomer is by methyl
Dimethylaminoethyl acrylate ester, dimethylaminoethyl acrylate ester, dimethylaminopropyl Methacrylamide, front three
One of base QAE quaternary aminoethyl Methacrylamide a variety of mixes.
5. a kind of efficient surface sizing agent according to claim 1, it is characterised in that: the unsaturated carboxylic acid is by propylene
One of acid, methacrylic acid, itaconic acid a variety of mix.
6. a kind of efficient surface sizing agent described in any one of -5 according to claim 1, it is characterised in that: the surface
The preparation method of sizing agent the following steps are included:
(1) prepolymerisation stage: 4~8wt% glacial acetic acid, 0.05~0.4wt% initiator are added in reaction kettle, stirring heating；
Temperature rises to 120 DEG C, starts 15~25wt% of dropwise addition hard monomer, 5~15wt% cationic monomer, 0.5~4wt% unsaturation carboxylic
Acid and 6~11wt% glacial acetic acid, 0.2~0.6wt% initiator, time for adding are 30~90min；It is kept the temperature after completion of dropwise addition
30~90min, heat preservation terminate, and start 40~60 parts of deionized waters of dropwise addition, time for adding 60min；Completion of dropwise addition is cooled to
85 DEG C, and keep the temperature 40~70min；
(2) 0.03~0.07wt% initiator and 0.01~0.03wt% polymerization stage: are added into the prepolymer of above-mentioned preparation
Defoaming agent；Continue dropwise addition 30~60wt% hard monomer, 15~30wt% soft monomer, 20~30wt% deionized water after mixing evenly
And 2.5~5wt% initiator, time for adding are that 90~120min dropping temperature is 80 DEG C；Completion of dropwise addition, 80 DEG C of heat preservation 60min；
It is cooled to room temperature, 0.05~0.15wt% defoaming agent is added, and deionized water is added and adjusts solid content, discharging.
7. a kind of efficient surface sizing agent according to claim 6, it is characterised in that: the hydrophilic and oleophilic of the prepolymer
Equilibrium valve is 3~10, and critical micelle concentration is 0.2~0.7g/L, and molecular weight is 10,000~100,000, dimethyl amine or Trimethylamine
Group content is 0.4~0.6mmol/g.
8. a kind of efficient surface sizing agent according to claim 6, it is characterised in that: the initiator is that azo two is different
One of butyronitrile salt or ferrous sulfate-hydrogen peroxide system, sodium sulfite-ammonium persulfate redox system.
9. a kind of efficient surface sizing agent according to claim 6, it is characterised in that: paper grade (stock) polymer surfaces sizing
Agent is applied in field of papermaking, specifically: by the Surface Sizing Agent and gelatinized starch according to 0.2:99.8~0.5:
After 99.5 proportional arrangement is at solution, paper is placed and wherein impregnates 10~60s, is subsequently placed in 120 DEG C of baking ovens dry 5-
10min。
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910648660.3A CN110407969A (en) | 2019-07-18 | 2019-07-18 | A kind of efficient surface sizing agent and its preparation method and application |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201910648660.3A CN110407969A (en) | 2019-07-18 | 2019-07-18 | A kind of efficient surface sizing agent and its preparation method and application |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN110407969A true CN110407969A (en) | 2019-11-05 |
Family
ID=68361821
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201910648660.3A Pending CN110407969A (en) | 2019-07-18 | 2019-07-18 | A kind of efficient surface sizing agent and its preparation method and application |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN110407969A (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593451A (en) * | 2020-12-16 | 2021-04-02 | 苏州恒康新材料有限公司 | Folding-resistant and breaking-resistant sizing agent, production line and process |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102675515A (en) * | 2011-12-16 | 2012-09-19 | 乐平市奇科化工有限公司 | Surface sizing agent and preparation method thereof |
| US9074036B1 (en) * | 2014-05-30 | 2015-07-07 | Champward Chemical Industrial Co., Ltd. | Preparing method for aqueous emulsion via dispersible urethane acrylate copolymerization |
| CN107313292A (en) * | 2016-04-27 | 2017-11-03 | 浙江传化华洋化工有限公司 | A kind of wrapping paper Cypres and preparation method thereof |
-
2019
- 2019-07-18 CN CN201910648660.3A patent/CN110407969A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102675515A (en) * | 2011-12-16 | 2012-09-19 | 乐平市奇科化工有限公司 | Surface sizing agent and preparation method thereof |
| US9074036B1 (en) * | 2014-05-30 | 2015-07-07 | Champward Chemical Industrial Co., Ltd. | Preparing method for aqueous emulsion via dispersible urethane acrylate copolymerization |
| CN107313292A (en) * | 2016-04-27 | 2017-11-03 | 浙江传化华洋化工有限公司 | A kind of wrapping paper Cypres and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112593451A (en) * | 2020-12-16 | 2021-04-02 | 苏州恒康新材料有限公司 | Folding-resistant and breaking-resistant sizing agent, production line and process |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| AU594492B2 (en) | Paper size based on finely divided aqueous dispersions | |
| US4835212A (en) | Sizing agents for paper based on finely divided aqueous dispersions | |
| US7579414B2 (en) | Fine-particled amphoteric aqueous polymer dispersion method for production and use thereof | |
| US7662871B2 (en) | Aqueous polymer dispersions, based on copolymers of vinyl aromatics and butadiene, method for their production and their use as sizing agents for paper | |
| CN108004841A (en) | A kind of Cypres and preparation method thereof | |
| CN111978486B (en) | Polyacrylate emulsion and preparation method thereof | |
| RU2627365C2 (en) | Method of control of polymer particles distribution on sizes in proceeding of water polymer dispersion, water polymer dispersion and its application | |
| JPH09328502A (en) | Water-base polymer dispersion as binder for nonblocking, scratch-resistant elastic coating material | |
| JP2002129494A (en) | Cationic polymer dispersion for paper sizing treatment | |
| CN112194760A (en) | Polyacrylate emulsion and preparation method thereof | |
| US20220195086A1 (en) | Surface sizing composition, method of production, and use thereof | |
| CN110407973B (en) | Preparation method of cationic emulsifier for rosin size | |
| JP2014163002A (en) | Surface sizing agent for paper making and paper coated with the sizing agent | |
| JP5879041B2 (en) | Method for producing cationic surface sizing agent and sizing agent obtained by the method | |
| WO2017093368A1 (en) | Finely divided, cationic, aqueous polymer dispersions, method for the production thereof, and the use thereof | |
| CN103410050A (en) | Surface sizing agent emulsion as well as preparation method and application thereof | |
| CN110407969A (en) | A kind of efficient surface sizing agent and its preparation method and application | |
| CN104774287B (en) | Polyacrylate emulsion microgel and preparation method thereof | |
| WO2012132045A1 (en) | Method for producing cationic surface sizing agent, and sizing agent obtained by method | |
| CN108149516A (en) | A kind of paper or paperboard grade (stock) sizing agent and preparation method thereof | |
| CN103334339B (en) | Positive ion styrene-acrylic emulsion surface sizing agent with high reactivity for papermaking and synthetic method thereof | |
| CN110438838A (en) | A kind of paper efficient surface sizing agent and its preparation method and application | |
| JP4924895B2 (en) | Surface sizing agent for papermaking | |
| NO159492B (en) | POLYMER DISPERSIONS WHICH ARE INPOLYMERIZED FINISHED, NITROGEN CONTAINING MONOMERS AND APPLICATION OF THE DISPERSIONS AS PAPER FOR PAPER. | |
| Zavecz et al. | Enhancing the colloidal stability of carboxylated styrene-acrylic latexes using anionic and nonionic polymerizable surfactants for architectural paints |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination |