CN104231147B - A kind of preparation method of acrylate fluorinated acrylate and Ludox hydridization latex - Google Patents
A kind of preparation method of acrylate fluorinated acrylate and Ludox hydridization latex Download PDFInfo
- Publication number
- CN104231147B CN104231147B CN201410498884.8A CN201410498884A CN104231147B CN 104231147 B CN104231147 B CN 104231147B CN 201410498884 A CN201410498884 A CN 201410498884A CN 104231147 B CN104231147 B CN 104231147B
- Authority
- CN
- China
- Prior art keywords
- acrylate
- parts
- ludox
- sodium
- water
- 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.)
- Active
Links
Landscapes
- Polymerisation Methods In General (AREA)
- Paints Or Removers (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention discloses the preparation method of a kind of acrylate fluorinated acrylate and Ludox hydridization latex.The present invention is with Ludox as seed, Acrylic emulsion of the top layer rich in highly polar fluorinated acrylate is synthesized using hydridization technique, the latex has nucleocapsid structure, core is Ludox, it provides the high rigidity of latex film, shell is enriched with fluorinated acrylate, makes latex film have preferable resistance to water, chemical resistance, anti-stain characteristic and weatherability, therefore has a wide range of applications in aqueous woodware paint.This latex is coated on glass plate, coating thickness is 50 microns, and its hardness reaches 2H, and water-fast 96h does not whiten, 60 degree of gloss reaches 85, artificial ageing 250 hours is without significant change.
Description
Technical field
The present invention relates to a kind of preparation method of aqueous industrial paint latex, specifically proposes a kind of acrylate-fluorine-containing third
The preparation method of olefin(e) acid ester and Ludox hydridization latex.
Background technology
Acrylic emulsion has outstanding resistance to water, weatherability and gloss retention as a kind of universal macromolecular material,
Have a wide range of applications in building coating and water-based industrial paint, but due to the glutinous cold short shortcoming of its heat, apply in many fields
When be difficult to reach preferable effect, be especially very restricted in water-based industrial paint application.
Acrylic emulsion is modified currently with Ludox, uses blending process, these blending works
Skill can also solve a part difficult problem certainly, but be difficult the comprehensive hardness for solving paint film in water-based industrial paint, richness, high temperature resistant, resistance to
The problem of the aspects such as aqueouss, water-whitening resistance, chemical resistance, anti-stain characteristic.
CN102924664A discloses a kind of nucleocapsid fluorochemical urethane-Acrylic emulsion preparation method, mainly using water
Property polyurethane and fluorinated acrylate heterozygosis is carried out to acrylate and is modified, as fluorocarbon resin has ultralow surface energy, super
High-weatherability, anti-stain characteristic and excellent thermostability and chemical resistance, can hence with the ester modified composite emulsion of fluorine-containing
To be obviously improved the resistance to water and weatherability and thermostability of latex, but this kind of latex to be primarily present hardness not high, glossiness and
The bad situation of richness.
The content of the invention
The present invention's aims to overcome that technical deficiency of the aqueous industrial paint latex on conventional preparation techniques, there is provided one
Plant the preparation method of acrylate-fluorinated acrylate and Ludox hydridization latex, the method perfect technology, working specification, energy
Water-whitening resistance, chemical resistance, thermostability, hardness of paint film, richness and the anti-stain characteristic benefit of water-based industrial paint are effectively improved, is reached
Ideal effect.
To realize above-mentioned purpose, the present invention takes technical scheme below, there is provided a kind of acrylate-fluorinated acrylate
With the preparation method of Ludox hydridization latex, mainly include the following steps that：
（1）, get the raw materials ready, 1000 parts of total amount by weight, wherein
Pre-emulsion material：
Water 80-300 parts
Emulsifying agent 1-10 parts
Alkyl acrylate monomer 80-300 parts of C4-C12
Alkyl methacrylate monomer 150-400 parts of C4-C20
Functional monomer 5-30 parts；
Backing material：
Water 80-300 parts
Emulsifying agent 1-10 parts
Ludox 5-30 parts
Sodium bicarbonate 1-3 parts；
Remaining small powder：
Initiator 1-3 parts
Water 40-150 parts
Fluorinated acrylate 5-30 parts
Oxidant 0.5-1 parts
Reducing agent 0.5-1 parts；
（2）, by step（1）The water of middle pre-emulsion material, emulsifying agent, the alkyl acrylate monomer of C4-C12, C4-
During the alkyl methacrylate monomer of C20, functional monomer are sequentially added into the emulsifying container with stirring and with 200-
Dispersion obtains pre-emulsion to 1000r/min rotating speeds at a high speed；
（3）, by step（1）The water of middle backing material, emulsifying agent, Ludox and sodium bicarbonate are added to the reaction with stirring
In container, with 20-120r/min rotating speeds stirring at low speed and it is heated to after 80-90 DEG C, add step（1）In in remaining small powder one
Half initiator, then the aqueous solution of Deca pre-emulsion and second half initiator, it is 80-90 DEG C to control dropping temperature, time for adding
For 2-4 hours, when pre-emulsification drop it is surplus 1/3 to 1/10 when, fluorinated acrylate is added into pre-emulsion, stir after
Continuous Deca；
（4）, 80-90 DEG C insulation 1-2 hours, be cooled to 65-75 DEG C, add Oxidizing and Reducing Agents aqueous solution carry out after
Process, be cooled to 40 DEG C, pH value 7-9 dischargings are adjusted with ammonia.
Above-mentioned steps（1）In emulsifying agent be anion emulsifier, nonionic emulsifier and reactive emulsifier in
One or more, wherein anion emulsifier is succinic acid alkyl polyoxyethylene ether monoesters disodium sulfonate, alkylphenol-polyethenoxy
At least one in ether sodium sulfate, dodecylbenzene sodium sulfonate, sodium lauryl sulphate；Nonionic emulsifier is isomerous tridecanol
At least one in polyoxyethylene ether, NPE, polyoxyethylene lauryl ether；Reactive emulsifier is allyl oxygen
In base hydroxypropyl azochlorosulfonate acid sodium, alkane acrylamide alkyl sulfonic acids sodium, allyloxy NPE ammonium sulfate at least
It is a kind of；Step（1）In C4-C12 alkyl acrylate monomer be acrylic acid methyl ester., ethyl acrylate, butyl acrylate, third
One or more in olefin(e) acid -2- Octyl Nitrites, decyl acrylate monomer；Step（1）In C4-C20 methacrylic acid alkane
Base ester monomer is methyl methacrylate, ethyl methacrylate, butyl methacrylate, cyclohexyl methacrylate, methyl
One or more in isobornyl acrylate, octadecyl methacrylate monomer；Step（1）In functional monomer by
Acrylic acid, acrylamide, n-methylolacrylamide, N-[2-(2-methyl-4-oxopentyl), trimethylolpropane trimethacrylate, metering system
At least two composition in sour hydroxyl ethyl ester monomer；Step（1）In Ludox be the water silica sol containing sodium ion or potassium ion；Step
Suddenly（1）In fluorinated acrylate be trifluoroethyl methacrylate, Hexafluorobutyl mathacrylate, ten difluoro of methacrylic acid
One or more in heptyl ester, acrylic acid trifluoro ethyl ester monomer；Step（1）Middle oxidant be tert-butyl hydroperoxide, reducing agent
For sodium sulfite, initiator is sodium peroxydisulfate.
Ludox is dispersion liquid of the nano silicon in water, wherein containing substantial amounts of hydroxyl, Ludox is losing water
Timesharing, monomeric silicic acid gradually aggregate into high poly- silica gel, with the evaporation of moisture, colloid molecules increase, eventually form-SiO-O-
SiO- films, due to Na2Contents of the O in Ludox is low, and Ludox has a characteristic of a certain amount of film forming dissolving, its wearability,
Heat resistance, hardness are substantially better than organic coating, and film is fine and close and harder, does not produce electrostatic, the difficult adhesion of various dust in air.
But Ludox presence volume contraction in film forming procedure is larger, film shortcoming easy to crack.
Fluorinated acrylate has a ultralow surface energy, the weatherability of superelevation, excellent anti-stain characteristic and excellent heat-resisting
Property, hence with fluorine-containing modified polyacrylate latex, more effectively can improve polyacrylic ester latex resistance to water,
Weatherability, thermostability and stain resistance.
The present invention is seed using Ludox, using hydridization reaction process, has synthesized a kind of Acrylic emulsion, and in breast
Glue top layer is enriched fluorine-containing.The effect of dissolving each other is forced as hydridization technique is distinctive, two or more performance differences can be made
Very the big or material with difference in functionality forms stable combination by polyreaction so as to the special molecular structure interface of formation
The continuous structure characteristic of IPN, two-phase or multiphase so that they produce special synergism in performance or functionally, so as to carry
The water-whitening resistance of high water-based industrial paint, chemical resistance, thermostability, hardness of paint film, richness, anti-stain characteristic and glossiness, it is comprehensive
Performance is good, reaches ideal effect.
The preparation method perfect technology that the present invention is provided, working specification, it is ensured that product quality are adapted to batch production.
Specific embodiment
The technology of the present invention thinking is：With Ludox as seed, while Deca pre-emulsion and initiator, and by reaction
Later stage latex top layer be grafted on the stronger fluorinated acrylate of polarity, is formed Ludox for support, surface polarity it is stronger third
Olefin(e) acid ester latex, so as to obtain it is a kind of there is high rigidity, it is excellent resistance to water, weatherability, stain resistance, chemical resistance, heat-resisting
Property, high glaze, the aqueous industrial paint latex of high richness.
Embodiment 1,
（1）, by 80g water, 1g allyloxy NPE ammonium sulfate, 80g butyl acrylate, 400g methyl-props
E pioic acid methyl ester, 2g acrylic acid, 2g acrylamides, 1g hydroxyethyl methylacrylates, be sequentially added into stirring emulsifying container
In and with 200r/min rotating speeds, at a high speed dispersion obtains pre-emulsion.
（2）, by 8g succinic acid alkyl polyoxyethylene ether monoesters disodium sulfonate and 2g NPEs, 5g silicon is molten
Glue, 1g sodium bicarbonate and 300g water, are added in the reaction vessel with stirring, with 50r/min rotating speeds stirring at low speed and heat
To 84 DEG C of addition 0.5g initiators, while Deca pre-emulsion and the aqueous solution containing 0.5g sodium peroxydisulfate initiators, control drop
Heating degree is 83-86 DEG C, and time for adding is 3 hours.When pre-emulsification drop remains 1/3,5g trifluoroethyl methacrylates are added
Enter into pre-emulsion, stir continuation Deca.
（3）, 85 DEG C of insulations 1 hour, be cooled to 70 DEG C, add 0.5g tert-butyl hydroperoxide oxidant and 0.5g sulfurous acids
Hydrogen sodium reduction agent aqueous solution carries out post processing, is cooled to 40 DEG C, adjusts pH value 7-9 dischargings with ammonia.
Dissolving initiator, oxidant, the water of reducing agent are total up to 111g.
Embodiment 2,
（1）, by 200g water, 3g allyloxy NPE ammonium sulfate, 2g alkane acrylamide alkyl sulfonic acids sodium,
150g acrylic acid-2-ethyl caproites, 280g butyl methacrylates, 6g acrylic acid, 6g acrylamides, 6g trimethylolpropane tris
Acrylate, be sequentially added into the emulsifying container with stirring in and with 800r/min rotating speeds, at a high speed dispersion obtains pre-emulsion.
（2）, by 3g succinic acid alkyl polyoxyethylene ether monoesters disodium sulfonate and 2g isomerous tridecanol polyoxyethylene ethers, 20g
Ludox, 2g sodium bicarbonate, 250g water, be added to stirring reaction vessel in, with 50r/min rotating speeds stirring at low speed and add
Heat is to 84 DEG C of addition 1g initiators, while Deca pre-emulsion and the aqueous solution containing 1g initiators, control dropping temperature for 84-
88 DEG C, time for adding is 3.5 hours.When pre-emulsification drop remains about 1/5, by 5g acrylic acid trifluoro ethyl esters, 5g methacrylic acids
Ten difluoro heptyl esters are added into pre-emulsion, and stir continuation Deca.
（3）, 86 DEG C of insulations 1 hour, be cooled to 70 DEG C, after adding the aqueous solution of 0.8g oxidants and 0.8g reducing agents to carry out
Process, be cooled to 40 DEG C, pH value 8-9 dischargings are adjusted with ammonia.
Dissolving initiator, oxidant, the water of reducing agent are total up to 56.4g.
Embodiment 3,
（1）, by 300g water, 5g allyloxy hydroxypropyl azochlorosulfonate acid sodiums, 5g sodium lauryl sulphates, 300g ethyl acrylate,
150g cyclohexyl methacrylates, 10g acrylic acid, 10g acrylamides, 10g trimethylolpropane trimethacrylates add in order
In entering the emulsifying container with stirring and with 1000r/min rotating speeds, dispersion obtains pre-emulsion at a high speed.
（2）, by 1g dodecylbenzene sodium sulfonate, 30g Ludox, 3g sodium bicarbonate, 100g water, be added to stirring
In reaction vessel, with 80r/min rotating speeds stirring at low speed and be heated to 84 DEG C addition 1.5g initiators, while Deca pre-emulsion and
Aqueous solution containing 1.5g initiators, controls dropping temperature for 83-86 DEG C, and time for adding is 4 hours.When pre-emulsification drop is remained about
When 1/10,15g trifluoroethyl methacrylates, 15g Hexafluorobutyl mathacrylates are added into pre-emulsion, stirring is equal
Even continuation Deca.
（3）, 86 DEG C of insulations 1 hour, be cooled to 70 DEG C, add the aqueous solution of 1g oxidants and 1g reducing agents to locate after carrying out
Reason, is cooled to 40 DEG C, adjusts pH value 8-9 dischargings with ammonia.
Dissolving initiator, oxidant, the water of reducing agent are total up to 41g.
Acrylate-the fluorinated acrylate obtained by above-described embodiment and Ludox hydridization latex, coat glass plate
On, coating thickness is 50 microns, and its hardness reaches 2H, and water-fast 96h does not whiten, and 60 degree of gloss reach 85, artificial ageing 250 hours
Without significant change.
Claims (3)
1. the preparation method of a kind of acrylate-fluorinated acrylate and Ludox hydridization latex, it is characterised in that：Including following
Step：
（1）, get the raw materials ready, 1000 parts of total amount by weight, wherein
Pre-emulsion material：
Water 80-300 parts
Emulsifying agent 1-10 parts
Alkyl acrylate monomer 80-300 parts of C4-C12
Alkyl methacrylate monomer 150-400 parts of C4-C20
Functional monomer 5-30 parts；
Backing material：
Water 80-300 parts
Emulsifying agent 1-10 parts
Ludox 5-30 parts
Sodium bicarbonate 1-3 parts；
Remaining small powder：
Sodium peroxydisulfate 1-3 parts
Water 40-150 parts
Fluorinated acrylate 5-30 parts
Tert-butyl hydroperoxide 0.5-1 part
Sodium sulfite 0.5-1 parts；
（2）, by step（1）The water of middle pre-emulsion material, emulsifying agent, the alkyl acrylate monomer of C4-C12, C4-C20
During alkyl methacrylate monomer, functional monomer are sequentially added into the emulsifying container with stirring and with 200-1000 r/
Dispersion obtains pre-emulsion to min rotating speeds at a high speed；
（3）, by step（1）The water of middle backing material, emulsifying agent, Ludox and sodium bicarbonate are added to the reaction vessel with stirring
In, with 20-120 r/min rotating speeds stirring at low speed and it is heated to after 80-90 DEG C, add step（1）In half mistake in remaining small powder
Sodium sulfate, then the aqueous solution of Deca pre-emulsion and second half sodium peroxydisulfate, it is 80-90 DEG C to control dropping temperature, time for adding
For 2-4 hours, when pre-emulsification drop it is surplus 1/3 to 1/10 when, fluorinated acrylate is added into pre-emulsion, stir after
Continuous Deca；
（4）, 80-90 DEG C of insulation 1-2 hour, be cooled to 65-75 DEG C, add the water-soluble of tert-butyl hydroperoxide and sodium sulfite
Liquid carries out post processing, is cooled to 40 DEG C, adjusts pH value 7-9 dischargings with ammonia；Wherein, the alkyl acrylate list of the C4-C12
Body is acrylic acid methyl ester., ethyl acrylate, butyl acrylate, or one or more of acrylic acid-2-ethyl caproite；The C4-
The alkyl methacrylate monomer of C20 is methyl methacrylate, ethyl methacrylate, butyl methacrylate, methyl
One or more in cyclohexyl acrylate, or isobornyl methacrylate；The functional monomer is by acrylic acid, acryloyl
Amine, n-methylolacrylamide, N-[2-(2-methyl-4-oxopentyl), trimethylolpropane trimethacrylate, or hydroxyethyl methylacrylate list
At least two composition in body；The fluorinated acrylate is trifluoroethyl methacrylate, Hexafluorobutyl mathacrylate, methyl
One or more in dodecafluorhe-ptylacrylate, or acrylic acid trifluoro ethyl ester.
2. preparation method according to claim 1, it is characterised in that：Step（1）In emulsifying agent be anion emulsifier, non-
One or more in ionic emulsifying agent and reactive emulsifier, wherein anion emulsifier are succinic acid alkyl polyoxyethylene
In ether monoesters disodium sulfonate, alkyl phenol polyethenoxy ether sodium sulfate, dodecylbenzene sodium sulfonate, sodium lauryl sulphate at least
It is a kind of；Nonionic emulsifier is isomerous tridecanol polyoxyethylene ether, NPE, in polyoxyethylene lauryl ether
It is at least one；Reactive emulsifier is allyloxy hydroxypropyl azochlorosulfonate acid sodium, alkane acrylamide alkyl sulfonic acids sodium, allyloxy nonyl
At least one in phenol polyethenoxy ether ammonium sulfate.
3. preparation method according to claim 1, it is characterised in that：The Ludox is the aqueouss containing sodium ion or potassium ion
Ludox.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410498884.8A CN104231147B (en) | 2014-09-26 | 2014-09-26 | A kind of preparation method of acrylate fluorinated acrylate and Ludox hydridization latex |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410498884.8A CN104231147B (en) | 2014-09-26 | 2014-09-26 | A kind of preparation method of acrylate fluorinated acrylate and Ludox hydridization latex |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN104231147A CN104231147A (en) | 2014-12-24 |
| CN104231147B true CN104231147B (en) | 2017-03-29 |
Family
ID=52220126
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201410498884.8A Active CN104231147B (en) | 2014-09-26 | 2014-09-26 | A kind of preparation method of acrylate fluorinated acrylate and Ludox hydridization latex |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN104231147B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN105585272A (en) * | 2015-10-22 | 2016-05-18 | 湖州绿色建材开发有限公司 | Novel concrete reinforcing agent |
| CN108951597A (en) * | 2017-08-24 | 2018-12-07 | 中国科学院寒区旱区环境与工程研究所 | A kind of vegetative sand control method |
| CN114773943A (en) * | 2022-03-30 | 2022-07-22 | 湖南智涂环保科技有限公司 | Coating film forming material resistant to bowl washing machine and preparation method and application thereof |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102086246B (en) * | 2010-11-29 | 2012-12-26 | 江苏足迹涂料有限公司 | Method for preparing nano silica-fluorine-containing acrylic resin through in-situ solution polymerization |
| CN102585618B (en) * | 2012-01-16 | 2014-01-01 | 嘉宝莉化工集团股份有限公司 | Matte stain-resistant coating and preparation method thereof |
| CN102585073B (en) * | 2012-01-16 | 2013-11-13 | 中山大学 | Fluorine silicon-modified acrylic ester emulsion and preparation method thereof |
| CN102675518B (en) * | 2012-06-01 | 2014-08-06 | 江南大学 | Preparation method for organic-inorganic hybrid fluorine-silicon modified nano waterborne resin |
-
2014
- 2014-09-26 CN CN201410498884.8A patent/CN104231147B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN104231147A (en) | 2014-12-24 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103613702B (en) | A kind of water-soluble multifunctional acrylic matting resin and preparation method thereof | |
| CN103289021B (en) | Waterborne organic and inorganic fluorosiloxane modified acrylate polymer emulsion and preparation method and application thereof | |
| CN112194760B (en) | Polyacrylate emulsion and preparation method thereof | |
| CN107141951B (en) | A kind of preparation method of the styrene-acrylic emulsion aqueous rust-proof coatings composite modified based on poly-dopamine/nano-titanium oxide | |
| CN103626911B (en) | A kind of hydrophobicity organic-inorganic high silicon content acrylate polymer emulsion and preparation method thereof and application | |
| CN101831230A (en) | Method for preparing polyacrylate/nano-SiO2 compound coating agent by using reactive emulsifier | |
| CN104231147B (en) | A kind of preparation method of acrylate fluorinated acrylate and Ludox hydridization latex | |
| CN109868026A (en) | A kind of Silicone-Modified Acrylate Resin and preparation method thereof and the hydrophobic weather-proof acrylic resin modified coating of sustained release | |
| CN106589213A (en) | Self-crosslinkingacrylic emulsion for water-based metallic paint and preparation method thereof | |
| CN106632821A (en) | Styrene-acrylic emulsion for repainting primer and preparation method of styrene-acrylic emulsion | |
| CN104262530A (en) | Unmodified silica sol/polystyrene-acrylate nano core-shell emulsion and preparation method thereof | |
| CN109535312A (en) | Primer base nucleocapsid styrene-acrylic emulsion and its preparation method and application | |
| CN105315413A (en) | Novel modified acrylate emulsion adhesive and preparation method thereof | |
| CN106146755A (en) | A kind of preparation method of high solids content silicone acrylic emulsion | |
| CN107840919A (en) | A kind of hud typed tertiary acrylate and vinyl acetate emulsion and preparation method and application | |
| CN111995708A (en) | Based on amphiphilic Janus SiO2Nano particle fluorine-containing polyacrylate finishing agent and preparation method thereof | |
| CN108084359A (en) | Ludox hydridization hydroxy acrylate lotion and preparation method thereof | |
| CN103073673B (en) | Epoxy-group-containing fluorosilicone modified acrylate emulsion and preparation method thereof | |
| KR101886395B1 (en) | New and stable aqueous hybrid binder | |
| CN101263166B (en) | Method of preparing vinylchloride-based copolymer and vinylchloride plastisol composition including vinylchloride-based copolymer prepared using the method | |
| CN106632791B (en) | One kind resisting fresh cement accumulation of salt in the surface soil priming paint styrene-acrylic emulsion and preparation method thereof | |
| CN111909587B (en) | Water-based primer and preparation method and application thereof | |
| CN112300318B (en) | Environment-friendly room-temperature self-crosslinking acrylate emulsion, preparation method and application thereof | |
| CN105482046A (en) | Method for preparing acrylic ester modified inorganic material-waterborne polyurethane emulsion | |
| CN105175654A (en) | Hexagonal boron nitride micro-constrained acrylate latex nanocomposite |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |