CN109293843A - A kind of acrylic emulsion and its preparation process of high TG low film formation temperature - Google Patents
A kind of acrylic emulsion and its preparation process of high TG low film formation temperature Download PDFInfo
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- CN109293843A CN109293843A CN201811120495.6A CN201811120495A CN109293843A CN 109293843 A CN109293843 A CN 109293843A CN 201811120495 A CN201811120495 A CN 201811120495A CN 109293843 A CN109293843 A CN 109293843A
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- acrylic emulsion
- film formation
- low film
- formation temperature
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- 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
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
- C08F265/06—Polymerisation of acrylate or methacrylate esters on to polymers thereof
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- 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
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
- C08F2/24—Emulsion polymerisation with the aid of emulsifying agents
- C08F2/26—Emulsion polymerisation with the aid of emulsifying agents anionic
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- 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
- C08F265/00—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00
- C08F265/04—Macromolecular compounds obtained by polymerising monomers on to polymers of unsaturated monocarboxylic acids or derivatives thereof as defined in group C08F20/00 on to polymers of esters
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
- C09D151/003—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained by reactions only involving unsaturated carbon-to-carbon bonds
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
The invention discloses a kind of acrylic emulsion of high TG low film formation temperature, the component including following weight proportion: 46.9~48.15 parts of water, 1~2 part of aqueous acrylic emulsion, 2~3 parts of surfactant, 32~35 parts of styrene, 13~16 parts of butyl acrylate, 0.5~0.6 part of acrylic acid, 0.2~0.3 part of vinyltrimethoxysilane and 0.15~0.2 part of persulfate.The preparation process of the acrylic emulsion of above-mentioned high TG low film formation temperature, by using power level titration mode, so that lotion constantly changes the composition of reaction monomers in the course of the polymerization process, finally obtained acrylic emulsion has good bond strength, and obtained lotion has the advantages that high TG low film formation temperature, it can reach 40 DEG C of high design TG, 25 DEG C of film-forming temperature, and film-formation result is good.
Description
Technical field
The invention belongs to a kind of acrylic emulsions and preparation method thereof, more particularly, to the third of a kind of high TG low film formation temperature
Olefin(e) acid lotion and its preparation process.
Background technique
Attention with people to environmental protection and the energy, water paint have become the important directions of paint development.Emulsion coatings
It is most important one kind in water paint, it is harmless because its is nontoxic, non-stimulated, meet environmental requirement, no pollution to the environment
Coatings volatile organic compounds are gradually replaced with production, using safe.Widely used acrylic emulsion coating currently on the market, because it is in height
Under TG, lotion is not easy to form a film, and uses it and is very limited.
Summary of the invention
The purpose of the present invention is to provide a kind of a kind of high TG low filmings for being able to solve at least one of above problem
The acrylic emulsion of temperature.
According to an aspect of the invention, there is provided a kind of acrylic emulsion of high TG low film formation temperature, including it is following heavy
Measure the component of proportion:
46.9~48.15 parts of water, 1~2 part of aqueous acrylic emulsion, 2~3 parts of surfactant, 32~35 parts of styrene,
13~16 parts of butyl acrylate, 0.5~0.6 part of acrylic acid, 0.2~0.3 part of vinyltrimethoxysilane and persulfate
0.15~0.2 part.
The beneficial effects of the present invention are: the acrylic emulsion of high TG (i.e. glass transition temperature) low film formation temperature,
It can reach 40 DEG C of design TG, 25 DEG C of film-forming temperature, and film-formation result is good, can satisfy requirement.
In some embodiments, surfactant is neopelex or lauryl sodium sulfate.As a result,
So that surfactant has good surface-active, hydrophily is stronger, and the tension of oil-water interface is effectively reduced, and reaches emulsification
Effect.
In some embodiments, persulfate is sodium peroxydisulfate or ammonium persulfate.As a result, persulfate reaches
Good emulsion polymerization facilitation.
According to another aspect of the present invention, a kind of preparation of the acrylic emulsion of above-mentioned high TG low film formation temperature is provided
Technique includes the following steps:
A, the surfactant of 50% water, 10% is mixed with whole aqueous acrylic emulsions, and is heated；
B, 45% water is mixed with 90% surfactant, adds 10% styrene, whole acrylic acid fourths
Ester and whole acrylic acid are mixed, and emulsion I is obtained；
90% styrene is mixed with whole vinyltrimethoxysilanes, obtains mixture II；
5% water is mixed with whole persulfates, obtains mixture III；
C, 10% mixture III is added drop-wise in the solution in step a, is kept the temperature；
D, after completing step c, the mixture III of emulsion I and 90% is added drop-wise in the solution that step c is obtained；
E, mixture II is added dropwise in the solution that step d is obtained；
F, it is cooled down after keeping the temperature the corresponding time to the solution that step e is obtained, required lotion is obtained by filtration.
The beneficial effects of the present invention are: the preparation process of the acrylic emulsion of the high TG low film formation temperature is by using power
Grade titration mode, so that lotion constantly changes the composition of reaction monomers, finally obtained acrylic emulsion in the course of the polymerization process
With good bond strength, and obtained lotion has the advantages that high TG low film formation temperature, can reach 40 DEG C of high design
TG, 25 DEG C of film-forming temperature, and film-formation result is good.
In some embodiments, the heating temperature in step a is 84~86 DEG C.As a result, each section energy in step a
It is enough sufficiently mixed reaction, improves reaction efficiency.
In some embodiments, the soaking time in step c is 2min.As a result, part mixes III can be first
It is mixed with solution obtained in step a, reacts, gradually change the reacted constituent in solution.
In some embodiments, the addition time in step d is 180min, and addition temperature is 84~86 DEG C.Make as a result,
Obtaining each ingredient in solution has the sufficient time to be reacted, and reaction is abundant.
In some embodiments, the interval time of step d and step e is 30min.Thus, it is possible to enable step d
It sufficiently carries out, each section reaction is abundant.
In some embodiments, the addition time of mixture II is 2.5h in step e.The enough addition time as a result,
Enable to each ingredient that can be uniformly mixed, reaction is abundant.
In some embodiments, the soaking time of step f is 60min, and holding temperature is 84~86 DEG C, and cooling temperature is
45℃.As a result, each ingredient can sufficiently react in solution, required lotion is obtained.
Specific embodiment
The present invention is described in further detail below.
Embodiment 1
A kind of acrylic emulsion of high TG low film formation temperature includes the component of following weight proportion:
469 grams of water, 20 grams of aqueous acrylic emulsion, 30 grams of surfactant, 350 grams of styrene, butyl acrylate 130
Gram, 6 grams of acrylic acid, 3 grams of vinyltrimethoxysilane and 2 grams of persulfate.
Wherein, surfactant is neopelex or lauryl sodium sulfate.
Persulfate is sodium peroxydisulfate or ammonium persulfate.
The preparation process of the acrylic emulsion of above-mentioned high TG low film formation temperature, includes the following steps:
A, the surfactant of 50% water, 10% is mixed in four-hole boiling flask with whole aqueous acrylic emulsions
It closes, and is heated；
B, 45% water is mixed with 90% surfactant；Then, under the situation of dispersion machine dispersion, then plus
Enter 10% styrene, whole butyl acrylates and whole acrylic acid to be mixed, obtains being uniformly mixed emulsion I；
90% styrene is mixed with whole vinyltrimethoxysilanes, obtains mixture II；
5% water is mixed with whole persulfates, obtains mixture III；
C, 10% mixture III is at the uniform velocity added drop-wise in the solution in step a, is kept the temperature；
D, after completing step c, the mixture III of emulsion I and 90% is at the uniform velocity added drop-wise in the solution that step c is obtained；
E, mixture II is at the uniform velocity added dropwise in the solution that step d is obtained；
F, it is cooled down after keeping the temperature the corresponding time to the solution that step e is obtained, required lotion is obtained by filtration.
Wherein, the heating temperature in step a is 84~86 DEG C.
Soaking time in step c is 2min.
The addition time in step d is 180min, and addition temperature is 84~86 DEG C.
The interval time of step d and step e is 30min.
The addition time of mixture II is 2.5h in step e.
The soaking time of step f is 60min, and holding temperature is 84~86 DEG C, and cooling temperature is 45 DEG C.
By the preparation process by using power level titration mode, so that lotion constantly changes reaction in the course of the polymerization process
The composition of monomer, finally obtained acrylic emulsion has good bond strength, and obtained lotion has high TG low filming
The advantages of temperature, 40 DEG C of high design TG can be reached, 25 DEG C of film-forming temperature, and film-formation result is good.
Embodiment 2
A kind of ingredient of the acrylic emulsion of high TG low film formation temperature of the present embodiment is substantially the same manner as Example 1, the two
Difference be that the weight proportion of each ingredient is not identical.In the present embodiment, 481.5 grams of water, 10 grams of aqueous acrylic emulsion, surface
20 grams of activating agent, 320 grams of styrene, 160 grams of butyl acrylate, 5 grams of acrylic acid, 2 grams of vinyltrimethoxysilane and over cure
1.5 grams of hydrochlorate.
The preparation process of the acrylic emulsion of the above-mentioned high TG low film formation temperature of the present embodiment is same as Example 1, passes through
The effect of the acrylic emulsion for the high TG low film formation temperature that the preparation process obtains is same as Example 1.
Embodiment 3
A kind of ingredient of the acrylic emulsion of high TG low film formation temperature of the present embodiment is substantially the same manner as Example 1, the two
Difference be that the weight proportion of each ingredient is not identical.In the present embodiment, 475 grams of water, 15 grams of aqueous acrylic emulsion, surface are living
Property 25 grams of agent, 335 grams of styrene, 145 grams of butyl acrylate, 5.5 grams of acrylic acid, 2.5 grams of vinyltrimethoxysilane and mistake
1.7 grams of sulfate.
The preparation process of the acrylic emulsion of the above-mentioned high TG low film formation temperature of the present embodiment is same as Example 1, passes through
The effect of the acrylic emulsion for the high TG low film formation temperature that the preparation process obtains is same as Example 1.
What has been described above is only a preferred embodiment of the present invention, it is noted that for those of ordinary skill in the art
For, without departing from the concept of the premise of the invention, various modifications and improvements can be made, these belong to the present invention
Protection scope.
Claims (10)
1. a kind of acrylic emulsion of high TG low film formation temperature, wherein the component including following weight proportion:
46.9~48.15 parts of water, 1~2 part of aqueous acrylic emulsion, 2~3 parts of surfactant, 32~35 parts of styrene, propylene
13~16 parts of acid butyl ester, 0.5~0.6 part of acrylic acid, 0.2~0.3 part of vinyltrimethoxysilane and persulfate 0.15~
0.2 part.
2. the acrylic emulsion of high TG low film formation temperature according to claim 1, wherein the surfactant is 12
Sodium alkyl benzene sulfonate or lauryl sodium sulfate.
3. the acrylic emulsion of high TG low film formation temperature according to claim 2, wherein the persulfate is persulfuric acid
Sodium or ammonium persulfate.
4. a kind of preparation process of the acrylic emulsion of high TG low film formation temperature as claimed in any one of claims 1 to 3,
In, include the following steps:
A, the surfactant of 50% water, 10% is mixed with whole aqueous acrylic emulsions, and is heated；
B, 45% water is mixed with 90% surfactant, add 10% styrene, whole butyl acrylate and
Whole acrylic acid are mixed, and emulsion I is obtained；
90% styrene is mixed with whole vinyltrimethoxysilanes, obtains mixture II；
5% water is mixed with whole persulfates, obtains mixture III；
C, 10% mixture III is added drop-wise in the solution in step a, is kept the temperature；
D, after completing step c, the mixture III of emulsion I and 90% is added drop-wise in the solution that step c is obtained；
E, mixture II is added dropwise in the solution that step d is obtained；
F, it is cooled down after keeping the temperature the corresponding time to the solution that step e is obtained, required lotion is obtained by filtration.
5. the preparation process of the acrylic emulsion of high TG low film formation temperature according to claim 4, wherein the step a
In heating temperature be 84~86 DEG C.
6. the preparation process of the acrylic emulsion of high TG low film formation temperature according to claim 5, wherein the step c
In soaking time be 2min.
7. the preparation process of the acrylic emulsion of high TG low film formation temperature according to claim 6, wherein the step d
In the addition time be 180min, addition temperature be 84~86 DEG C.
8. the preparation process of the acrylic emulsion of high TG low film formation temperature according to claim 7, wherein the step d
Interval time with step e is 30min.
9. the preparation process of the acrylic emulsion of high TG low film formation temperature according to claim 8, wherein the step e
The addition time of middle mixture II is 2.5h.
10. the preparation process of the acrylic emulsion of high TG low film formation temperature according to claim 9, wherein the step f
Soaking time be 60min, holding temperature be 84~86 DEG C, cooling temperature be 45 DEG C.
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811120495.6A CN109293843A (en) | 2018-09-26 | 2018-09-26 | A kind of acrylic emulsion and its preparation process of high TG low film formation temperature |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201811120495.6A CN109293843A (en) | 2018-09-26 | 2018-09-26 | A kind of acrylic emulsion and its preparation process of high TG low film formation temperature |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112457737A (en) * | 2020-12-10 | 2021-03-09 | 无锡市太湖防腐材料有限公司 | Water-based cold galvanizing coating and preparation method thereof |
Citations (4)
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|---|---|---|---|---|
| JP2003165803A (en) * | 2001-11-30 | 2003-06-10 | Toray Fine Chemicals Co Ltd | Emulsion and emulsion coating composition |
| CN101921360A (en) * | 2010-01-27 | 2010-12-22 | 陕西科技大学 | A kind of latex coating preparation method of nano silicone-acrylate core shell type composite emulsion |
| CN103772617A (en) * | 2014-01-21 | 2014-05-07 | 山东圣光化工集团有限公司 | Silicone-acrylate copolymer emulsion and preparation method thereof |
| CN107602758A (en) * | 2017-09-11 | 2018-01-19 | 安德士化工（中山）有限公司 | Child room interior wall special emulsion and preparation method thereof |
-
2018
- 2018-09-26 CN CN201811120495.6A patent/CN109293843A/en active Pending
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2003165803A (en) * | 2001-11-30 | 2003-06-10 | Toray Fine Chemicals Co Ltd | Emulsion and emulsion coating composition |
| CN101921360A (en) * | 2010-01-27 | 2010-12-22 | 陕西科技大学 | A kind of latex coating preparation method of nano silicone-acrylate core shell type composite emulsion |
| CN103772617A (en) * | 2014-01-21 | 2014-05-07 | 山东圣光化工集团有限公司 | Silicone-acrylate copolymer emulsion and preparation method thereof |
| CN107602758A (en) * | 2017-09-11 | 2018-01-19 | 安德士化工（中山）有限公司 | Child room interior wall special emulsion and preparation method thereof |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112457737A (en) * | 2020-12-10 | 2021-03-09 | 无锡市太湖防腐材料有限公司 | Water-based cold galvanizing coating and preparation method thereof |
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Application publication date: 20190201 |