CN108250349A - A kind of the third external wall elastic of weather-proof uncle lotion and preparation method thereof - Google Patents
A kind of the third external wall elastic of weather-proof uncle lotion and preparation method thereof Download PDFInfo
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- CN108250349A CN108250349A CN201711489736.XA CN201711489736A CN108250349A CN 108250349 A CN108250349 A CN 108250349A CN 201711489736 A CN201711489736 A CN 201711489736A CN 108250349 A CN108250349 A CN 108250349A
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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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
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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
- 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
- C08F2/30—Emulsion polymerisation with the aid of emulsifying agents non-ionic
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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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
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Abstract
The present invention discloses a kind of the third external wall elastic of weather-proof uncle lotion and preparation method thereof, includes the component of following parts by weight：85 110 parts of deionized water, 5 25 parts of Isooctyl acrylate monomer, 40 90 parts of butyl acrylate, 10 30 parts of methyl methacrylate, 15 parts of acrylic acid, 0.1 3 parts of Methacrylamide, 0.5 2 parts of hydroxy-ethyl acrylate, 5 15 parts of versatic acid ethylene fat, 1 10 parts of emulsifier, 0.1 6 parts of initiator, 0.7 3.5 parts of ammonium hydroxide.Uncle's the third external wall elastic lotion prepared by the present invention, not only with excellent room temperature and low temperature elasticity, but also has outstanding weatherability, also with high colour retention and gloss retention, and preparation process is simple.
Description
Technical field
The present invention relates to a kind of acrylic acid ester emulsions and preparation method thereof, and in particular to a kind of weather-proof the third external wall elastic of uncle breast
Liquid and preparation method thereof.
Background technology
Since 21st century, environmental protection problem is increasingly serious, in paint field, develops volatile organic compound
The relatively low water paint of object content is important research direction.As people are higher and higher to quality of life requirement, to wall
Decoration performance requirement also increasingly increases.Colored metope fades when by long-time solarization, gloss is caused to decline apparent, makes one to generate
The old feeling of wall, therefore be frequently necessary to recoat.How to develop good with weatherability, there is high colour retention, high gloss retention
Exterior wall acrylic emulsion becomes industry problems.
Pure-acrylic emulsion is the copolymer emulsion obtained by esters of acrylic acid, methyl acrylic ester, acrylic acid this ternary polymerization
Abbreviation.Using pure-acrylic emulsion as the coating of base-material, adhesive force, weatherability also have certain difference compared with traditional oil paint
Away from which also limits the applications of acrylic emulsion paint.Compared to oiliness, acrylic emulsion paint overcomes the shortcomings that inflammable, explosive, and
It is more environmentally friendly；The relatively other copolymer emulsions of pure-acrylic emulsion such as styrene-acrylic emulsion, acrylate and vinyl acetate emulsion, have strong adhesive force, ageing-resistant, resistance to
The advantages that corrosion.But compared with application request, pure-acrylic emulsion still has deficiency, mainly emulsion-stabilizing sexual deviation, resistance to
Wait sexual deviation etc..Thus common pure-acrylic emulsion can not meet growing exterior wall latex paint weatherability requirements.
Invention content
In view of the above existing problems in the prior art, the present invention provides a kind of weather-proof the third external wall elastic of uncle lotions, both have
Excellent room temperature and low temperature elasticity, and have outstanding weatherability, also with high colour retention and gloss retention.
Simple for process above-mentioned the third external wall elastic of weather-proof uncle lotion is prepared it is another object of the present invention to provide a kind of
Method.
To achieve these goals, a kind of weather-proof the third external wall elastic of uncle lotion that the present invention uses, raw material composition include
The component of following parts by weight：85-110 parts of deionized water, 5-25 parts of Isooctyl acrylate monomer, 40-90 parts of butyl acrylate, methyl
10-30 parts of methyl acrylate, 1-5 parts of acrylic acid, 0.1-3 parts of Methacrylamide, 0.5-2 parts of hydroxy-ethyl acrylate, versatic acid
5-15 parts of ethylene fat, 1-10 parts of emulsifier, 0.1-6 parts of initiator, 0.7-3.5 parts of ammonium hydroxide.
The versatic acid ethylene fat is highly branched chain unitary saturated carboxylic acid vinyl acetate.
The emulsifier is (3~9) according to mass ratio by anion emulsifier and nonionic emulsifier:1 mixing composition.
The anion emulsifier is using one or both of sodium alkyl sulfate, sodium alkyl sulfonate, sodium alkyl benzene sulfonate
Any of the above ratio mixes.
The nonionic emulsifier is using octadecanoic acid ester of polyethylene glycol, alkyl alcohol ethoxylates, EO/PO blocks
One or more of copolymer, ethyoxyl polypropylene ether block copolymer arbitrary proportion mixes.
The initiator is using the mixing of one or both of potassium peroxydisulfate, sodium peroxydisulfate.
In addition, the present invention also provides a kind of preparation method of weather-proof the third external wall elastic of uncle lotion, specifically include with
Lower step：
A) preparation of bottom material liquid：To with blender, condenser, constant flow pump feeding device polymeric kettle in, addition go from
Sub- water 35-40 parts, 0.2-2 parts of emulsifier, are warming up to temperature in the kettle and reach 80-90 DEG C；
B) preparation of pre-emulsion：It is added at normal temperatures and pressures into the pre-emulsification tank with monomer measuring tank, blender
Whole Isooctyl acrylate monomers, butyl acrylate, methyl methacrylate, acrylic acid, Methacrylamide, the acrylic acid of formula ratio
0.8-8 parts of hydroxyl ethyl ester, versatic acid ethylene fat and emulsifier and 35-40 parts of deionized water, are stirred into uniform pre-emulsification
Liquid, and stir 10-20 minutes it is spare；
C) preparation of initiator solution：At normal temperatures and pressures into the initiator tank with blender, constant current Dropping feeder
Initiator, 15-30 parts of the deionized water of formula ratio are added in, stirring is spare to being completely dissolved；
D) when polymerization temperature in the kettle reaches 80-90 DEG C, the 3%- that pre-emulsion total amount is made in step b) is added in into kettle
5%th, the 10%-90% of initiator solution total amount is made in step c), after 15-30 minutes, passes through constant flow pump feeding device and constant current
Metering device is added dropwise, remaining pre-emulsion and initiator solution is added dropwise into polymeric kettle simultaneously, time for adding is controlled in 180-
240 minutes, and 0-15 minutes more late than pre-emulsion of initiator solution is added dropwise；
E) control polymerization temperature in the kettle is in 85-90 DEG C, keeps the temperature 1-2 hours, cools down and is adjusted pH to 7-9 with ammonium hydroxide,
Stirring 0.5-1 hours, filtering and discharging, you can obtain weather-proof uncle the third external wall elastic lotion.
Compared with prior art, the beneficial effects of the invention are as follows：
1) the third external wall elastic of weather-proof uncle lotion of the invention has very low glass transition temperature (Tg), about at -34 DEG C
Between~-30 DEG C, by the use for improving Isooctyl acrylate monomer and butyl acrylate (for providing the soft monomer of flexibility performance)
Amount reduces the dosage of methyl methacrylate (for provide rigid nature), many on the market to form really elasticity
Pseudoelastic properties is compared, and tool has great advantage.At present, on the market the most of Tg of pseudoelastic properties pass through between -15 DEG C~0 DEG C
A certain amount of coalescents are added into lotion to reduce minimum film formation temperature (MFT), can obtain preferable elasticity under room temperature, but
In a low temperature of really, the elasticity that has not had.Such as when encountering temperature less than -15 DEG C, Tg is -15 DEG C of pseudoelastic properties lotion
It will follow the string, as ordinary emulsion, there is no advantages.Meanwhile elastic emulsion prepared by the present invention is without additionally adding into
Film auxiliary agent, effect on environment is small, belongs to environment-friendly products.
2) there are three larger alkyl on the alpha-carbon atom in the versatic acid ethylene fat that the present invention uses, and steric effect is big, such as
It equally protects itself and neighbouring ester group from the attack of acid, alkali, water with umbrella, the ester group on copolymer side chain is made to be difficult to water
Solution, thus emulsion paint film has excellent water-fast, alkali resistance；Therefore its emulsion paint is used directly for the alkali such as cement, asbestos
On property base material.Due to the shielding action of alkyl group on alpha -carbon atom, determine that versatic acid ethylene is cruel and its antioxygen of copolymer
Change and UV resistance be excellent, by it made of coating after exposure in 10 years or more without destroyed, far superior to poly-vinegar acid second
Coating made of enester lotion, acrylate and vinyl acetate emulsion, pure-acrylic emulsion and styrene-acrylic emulsion etc..Due to the position of 3 alkyl on alpha -carbon atom
Inhibition effect so that cannot be closely aligned between molecule, flexibility is big, therefore is not susceptible to be cracked by the coating that it is prepared, and has
Good cracking resistance energy.The glass transition temperature of ethylene carbonate ester homopolymer is relatively low (- 3 DEG C), can reduce the knot of copolymer
Brilliant degree effectively improves the film formation at low temp and splitting resistance of copolymer emulsion.If versatic acid is introduced in acrylic acid ester emulsion
Vinyl acetate can give full play to its excellent properties, make the water resistance of acrylic acid ester emulsion, weatherability, stain resistance, high-low temperature resistant
Property etc. obtains the improvement of bigger.
3) lotion of the present invention is prepared in preparation process using heating autoreaction method, and entire reaction is at 86-88 DEG C
It carries out, heating medium is hot water or vapor, and source is convenient, can be recycled, pollution-free, and entire reaction system can be relatively warm
It is carried out in the environment of, ensure that the stability and reproducibility of reaction.Entire reaction carries out in polymerization reaction kettle simultaneously, only
Need to heat and stir can prepare, processing technology very simple so that decrease machining cost.
Specific embodiment
Understand to make the object, technical solutions and advantages of the present invention clearer, below by embodiment, to the present invention into
Row is further described.However, it should be understood that the specific embodiments described herein are merely illustrative of the present invention, and do not have to
In limiting the scope of the invention.
Unless otherwise defined, all technical terms and scientific terms used herein are led with belonging to the technology of the present invention
The normally understood meaning of technical staff in domain is identical, and used term is intended merely to retouch in the description of the invention herein
State the purpose of specific embodiment, it is not intended that in the limitation present invention.
The percentage sign " % " arrived involved in embodiment if not specified, refers to mass percent, and the percentage of solution refers to
Grams containing solute in 100mL, the percentage between liquid refer to the volume ratio of the solution at 25 DEG C.
A kind of the third external wall elastic of weather-proof uncle lotion, raw material form the component for including following parts by weight：Deionized water 85-
110 parts, 5-25 parts of Isooctyl acrylate monomer, 40-90 parts of butyl acrylate, 10-30 parts of methyl methacrylate, 1-5 parts of acrylic acid,
0.1-3 parts of Methacrylamide, 0.5-2 parts of hydroxy-ethyl acrylate, 5-15 parts of versatic acid ethylene fat, 1-10 parts of emulsifier cause
0.1-6 parts of agent, 0.7-3.5 parts of ammonium hydroxide.
The versatic acid ethylene fat is a kind of highly branched chain unitary saturated carboxylic acid vinyl acetate.Alkyl is formed on tertiary ethylene carbonate
Steric hindrance and it nonpolarity and the hyposensitivity to ultraviolet light, it is made to be demonstrated by excellent UV resistant performance and pole
Strong hydrophobic performance.
As the improvement of embodiment, the emulsifier is (3 according to mass ratio by anion emulsifier and nonionic emulsifier
~9):1 mixing composition.Further to improve, the anion emulsifier is using sodium alkyl sulfate, sodium alkyl sulfonate, alkylbenzene
One or more of sodium sulfonate arbitrary proportion mixes.Further to improve, the nonionic emulsifier uses polyoxy second
In alkene sorbitol monooleate, alkyl alcohol ethoxylates, Pluronic PE 6800, ethyoxyl polypropylene ether block copolymer
One or more kinds of arbitrary proportions mixing.
The initiator is using the mixing of one or both of potassium peroxydisulfate, sodium peroxydisulfate.
In addition, the present invention also provides a kind of preparation method of weather-proof the third external wall elastic of uncle lotion, specifically include with
Lower step：
A) preparation of bottom material liquid：To with blender, condenser, constant flow pump feeding device polymeric kettle in, addition go from
Sub- water 35-40 parts, 0.2-2 parts of emulsifier, are warming up to temperature in the kettle and reach 80-90 DEG C；
B) preparation of pre-emulsion：It is added at normal temperatures and pressures into the pre-emulsification tank with monomer measuring tank, blender
Whole Isooctyl acrylate monomers, butyl acrylate, methyl methacrylate, acrylic acid, Methacrylamide, the acrylic acid of formula ratio
0.8-8 parts of hydroxyl ethyl ester, versatic acid ethylene fat and emulsifier and 35-40 parts of deionized water, are stirred into uniform pre-emulsification
Liquid, and stir 10-20 minutes it is spare；
C) preparation of initiator solution：At normal temperatures and pressures into the initiator tank with blender, constant current Dropping feeder
Initiator, 15-30 parts of the deionized water of formula ratio are added in, stirring is spare to being completely dissolved；
D) when polymerization temperature in the kettle reaches 80-90 DEG C, the 3%- that pre-emulsion total amount is made in step b) is added in into kettle
5%th, the 10%-90% of initiator solution total amount is made in step c), after 15-30 minutes, passes through constant flow pump feeding device and constant current
Metering device is added dropwise, remaining pre-emulsion and initiator solution is added dropwise into polymeric kettle simultaneously, time for adding is controlled in 180-
240 minutes, and 0-15 minutes more late than pre-emulsion of initiator solution is added dropwise；
E) control polymerization temperature in the kettle is in 85-90 DEG C, keeps the temperature 1-2 hours, cools down and is adjusted pH to 7-9 with ammonium hydroxide,
Stirring 0.5-1 hours, filtering and discharging, you can obtain weather-proof uncle the third external wall elastic lotion.
According to《JG/T 172-2014 elastic building paints》It is required that elongation at break under standard state>150%th, at -10 DEG C
Elongation at break>35%；According to《JG/T 172-2014 elastic building paints》In regulation carry out the fracture of external wall elastic coating and stretch
Long rate is tested, elongation at break under weather-proof uncle the third external wall elastic lotion standard state of the invention>400%, it is broken at -10 DEG C and stretches
Long rate>80%, colour retention is judged by color difference meter △ E, tertiary acrylate elastic emulsion △ E of the invention<1, △ l ＜ 0.5；Gloss retention
Judged by glossometer, 85 ° of ＜ 0.5 of △ 60 ° of ＜ 1.5, △.
Therefore, the third external wall elastic of weather-proof uncle lotion of the invention not only has excellent room temperature and low temperature elasticity, but also with very
Good gloss retention and colour retention.
Embodiment 1
A kind of the third external wall elastic of weather-proof uncle lotion, raw material form the component for including following parts by weight：Deionized water 85
Part, 5 parts of Isooctyl acrylate monomer, 40 parts of butyl acrylate, 10 parts of methyl methacrylate, 1 part of acrylic acid, Methacrylamide
0.1 part, 0.5 part of hydroxy-ethyl acrylate, 5 parts of versatic acid ethylene fat, 1 part of emulsifier, 0.1 part of initiator, 0.7 part of ammonium hydroxide.
The versatic acid ethylene fat is a kind of highly branched chain unitary saturated carboxylic acid vinyl acetate.
As the improvement of embodiment, the emulsifier is 3 according to mass ratio by anion emulsifier and nonionic emulsifier:
1 mixing composition.Further to improve, the anion emulsifier uses sodium alkyl sulfate；The nonionic emulsifier is using poly-
Ethylene oxide sorbitol monooleate.
The initiator uses potassium peroxydisulfate.
The preparation method of the third external wall elastic of weather-proof uncle lotion, specifically includes following steps：
A) preparation of bottom material liquid：To with blender, condenser, constant flow pump feeding device polymeric kettle in, addition go from
Sub- 35 parts of water, 0.2 part of emulsifier, are warming up to temperature in the kettle and reach 80 DEG C；
B) preparation of pre-emulsion：It is added at normal temperatures and pressures into the pre-emulsification tank with monomer measuring tank, blender
Whole Isooctyl acrylate monomers, butyl acrylate, methyl methacrylate, acrylic acid, Methacrylamide, the acrylic acid of formula ratio
0.8 part of hydroxyl ethyl ester, versatic acid ethylene fat and emulsifier and 35 parts of deionized water, are stirred into uniform pre-emulsion, and stir
Mix 10 minutes it is spare；
C) preparation of initiator solution：At normal temperatures and pressures into the initiator tank with blender, constant current Dropping feeder
Initiator, 15 parts of the deionized water of formula ratio are added in, stirring is spare to being completely dissolved；
D) when polymerization temperature in the kettle reaches 80 DEG C, step b) is added in into kettle, the 3%% of pre-emulsion total amount, step is made
After the 10%%, 15 minutes of rapid c) obtained initiator solution total amount, pass through constant flow pump feeding device and metering device is added dropwise in constant current
Remaining pre-emulsion and initiator solution is added dropwise into polymeric kettle simultaneously, time for adding was controlled at 180 minutes, and made initiator
Solution is added dropwise for 5 minutes more late than pre-emulsion；
E) polymerization temperature in the kettle is controlled to be in 85 DEG C, keeps the temperature 1 hour, cool down and is adjusted pH to 7 with ammonium hydroxide, stirs 0.5
Hour, filtering and discharging, you can obtain weather-proof uncle the third external wall elastic lotion.
Performance detection is carried out to the third external wall elastic of uncle lotion weather-proof made from embodiment 1.According to《JG/T 172-2014 bullets
Property building coating》It is required that elongation at break under standard state>150%th, elongation at break at -10 DEG C>35%.
The present invention according to《JG/T 172-2014 elastic building paints》In regulation carry out external wall elastic coating extension at break
Rate is tested, and elongation at break is 400% under weather-proof the third external wall elastic of uncle lotion standard state, and elongation at break is at -10 DEG C
80%, color is judged by color difference meter △ E, tertiary acrylate elastic emulsion △ E=0.6, △ l=0.4 of the invention；Gloss retention passes through
Glossometer judges, 60 °=1.3, △ of △ 85 °=0.4.
Therefore, the third external wall elastic of weather-proof uncle lotion of the invention not only has excellent room temperature and low temperature elasticity, but also with very
Good gloss retention and colour retention.
Embodiment 2
A kind of the third external wall elastic of weather-proof uncle lotion, raw material form the component for including following parts by weight：Deionized water 100
Part, 15 parts of Isooctyl acrylate monomer, 65 parts of butyl acrylate, 20 parts of methyl methacrylate, 2 parts of acrylic acid, Methacrylamide 1
Part, 1 part of hydroxy-ethyl acrylate, 10 parts of versatic acid ethylene fat, 5 parts of emulsifier, 3 parts of initiator, 1.5 parts of ammonium hydroxide.
The versatic acid ethylene fat is a kind of highly branched chain unitary saturated carboxylic acid vinyl acetate.Alkyl is formed on tertiary ethylene carbonate
Steric hindrance and it nonpolarity and the hyposensitivity to ultraviolet light, it is made to be demonstrated by excellent UV resistant performance and pole
Strong hydrophobic performance.
As the improvement of embodiment, the emulsifier is 6 according to mass ratio by anion emulsifier and nonionic emulsifier:
1 mixing composition.Further to improve, the anion emulsifier is using sodium alkyl sulfate, sodium alkyl sulfonate according to 2:1 mixing.
The nonionic emulsifier uses alkyl alcohol ethoxylates.
The initiator uses sodium peroxydisulfate.
The preparation method of the third external wall elastic of weather-proof uncle lotion, specifically includes following steps：
A) preparation of bottom material liquid：To with blender, condenser, constant flow pump feeding device polymeric kettle in, addition go from
Sub- 35 parts of water, 1 part of emulsifier, are warming up to temperature in the kettle and reach 85 DEG C；
B) preparation of pre-emulsion：It is added at normal temperatures and pressures into the pre-emulsification tank with monomer measuring tank, blender
Whole Isooctyl acrylate monomers, butyl acrylate, methyl methacrylate, acrylic acid, Methacrylamide, the acrylic acid of formula ratio
4 parts of hydroxyl ethyl ester, versatic acid ethylene fat and emulsifier and 40 parts of deionized water, are stirred into uniform pre-emulsion, and stir
15 minutes spare；
C) preparation of initiator solution：At normal temperatures and pressures into the initiator tank with blender, constant current Dropping feeder
Initiator, 25 parts of the deionized water of formula ratio are added in, stirring is spare to being completely dissolved；
D) when polymerization temperature in the kettle reaches 85 DEG C, step b) is added in into kettle, the 4% of pre-emulsion total amount, step is made
C) the 50% of initiator solution total amount is made, after twenty minutes, metering device is added dropwise simultaneously by constant flow pump feeding device and constant current
Remaining pre-emulsion and initiator solution are added dropwise into polymeric kettle, time for adding was controlled at 210 minutes, and made initiator solution
It is added dropwise within 10 minutes more late than pre-emulsion；
E) polymerization temperature in the kettle is controlled to be in 85 DEG C, keeps the temperature 1.5 hours, cool down and is adjusted pH to 8 with ammonium hydroxide, stirs 1
Hour, filtering and discharging, you can obtain weather-proof uncle the third external wall elastic lotion.
Performance detection is carried out to the third external wall elastic of uncle lotion weather-proof made from embodiment 2.According to《JG/T 172-2014 bullets
Property building coating》It is required that elongation at break under standard state>150%th, elongation at break at -10 DEG C>35%.
The present invention according to《JG/T 172-2014 elastic building paints》In regulation carry out external wall elastic coating extension at break
Rate is tested, and elongation at break is 515% under weather-proof the third external wall elastic of uncle lotion standard state, and elongation at break is at -10 DEG C
105%, colour retention is judged by color difference meter △ E, tertiary acrylate elastic emulsion △ E=0.4, △ l=0.2 of the invention；Gloss retention
Judged by glossometer, 60 °=1.0, △ of △ 85 °=0.2.
Therefore, the third external wall elastic of weather-proof uncle lotion of the invention not only has excellent room temperature and low temperature elasticity, but also with very
Good gloss retention and colour retention.
Embodiment 3
A kind of the third external wall elastic of weather-proof uncle lotion, raw material form the component for including following parts by weight：Deionized water 110
Part, 25 parts of Isooctyl acrylate monomer, 90 parts of butyl acrylate, 30 parts of methyl methacrylate, 5 parts of acrylic acid, Methacrylamide 3
Part, 2 parts of hydroxy-ethyl acrylate, 15 parts of versatic acid ethylene fat, 10 parts of emulsifier, 6 parts of initiator, 3.5 parts of ammonium hydroxide.
The versatic acid ethylene fat is a kind of highly branched chain unitary saturated carboxylic acid vinyl acetate.Alkyl is formed on tertiary ethylene carbonate
Steric hindrance and it nonpolarity and the hyposensitivity to ultraviolet light, it is made to be demonstrated by excellent UV resistant performance and pole
Strong hydrophobic performance.
As the improvement of embodiment, the emulsifier is 9 according to mass ratio by anion emulsifier and nonionic emulsifier:
1 mixing composition.Further to improve, the anion emulsifier uses sodium alkyl benzene sulfonate；The nonionic emulsifier uses
Alkyl alcohol ethoxylates.
The initiator is using potassium peroxydisulfate, sodium peroxydisulfate according to 1：1 mixing.
The preparation method of the third external wall elastic of weather-proof uncle lotion, specifically includes following steps：
A) preparation of bottom material liquid：To with blender, condenser, constant flow pump feeding device polymeric kettle in, addition go from
Sub- 40 parts of water, 2 parts of emulsifier, are warming up to temperature in the kettle and reach 90 DEG C；
B) preparation of pre-emulsion：It is added at normal temperatures and pressures into the pre-emulsification tank with monomer measuring tank, blender
Whole Isooctyl acrylate monomers, butyl acrylate, methyl methacrylate, acrylic acid, Methacrylamide, the acrylic acid of formula ratio
8 parts of hydroxyl ethyl ester, versatic acid ethylene fat and emulsifier and 40 parts of deionized water, are stirred into uniform pre-emulsion, and stir
20 minutes spare；
C) preparation of initiator solution：At normal temperatures and pressures into the initiator tank with blender, constant current Dropping feeder
Initiator, 30 parts of the deionized water of formula ratio are added in, stirring is spare to being completely dissolved；
D) when polymerization temperature in the kettle reaches 90 DEG C, step b) is added in into kettle, the 5% of pre-emulsion total amount, step is made
C) after the 90%, 30 minutes of initiator solution total amount being made, metering device is added dropwise simultaneously by constant flow pump feeding device and constant current
Remaining pre-emulsion and initiator solution are added dropwise into polymeric kettle, time for adding was controlled at 240 minutes, and made initiator solution
It is added dropwise within 15 minutes more late than pre-emulsion；
E) control polymerization temperature in the kettle is in 90 DEG C, keeps the temperature 2 hours, cools down and is adjusted pH to 9 with ammonium hydroxide, stirring 1 is small
When, filtering and discharging, you can obtain weather-proof uncle the third external wall elastic lotion.
Performance detection is carried out to the third external wall elastic of uncle lotion weather-proof made from embodiment 3.According to《JG/T 172-2014 bullets
Property building coating》It is required that elongation at break under standard state>150%th, elongation at break at -10 DEG C>35%.
The present invention according to《JG/T 172-2014 elastic building paints》In regulation carry out external wall elastic coating extension at break
Rate is tested, and elongation at break is 450% under weather-proof the third external wall elastic of uncle lotion standard state, and elongation at break is at -10 DEG C
90%, color is judged by color difference meter △ E, tertiary acrylate elastic emulsion △ E=0.5, △ l=0.2 of the invention；Gloss retention passes through
Glossometer judges, 60 °=1.2, △ of △ 85 °=0.3.
Therefore, the third external wall elastic of weather-proof uncle lotion of the invention not only has excellent room temperature and low temperature elasticity, but also with very
Good gloss retention and colour retention.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
Any modification, equivalent replacement or improvement made within refreshing and principle etc., should all be included in the protection scope of the present invention.
Claims (7)
1. a kind of the third external wall elastic of weather-proof uncle lotion, which is characterized in that its raw material forms the component for including following parts by weight：It goes
85-110 parts of ionized water, 5-25 parts of Isooctyl acrylate monomer, 40-90 parts of butyl acrylate, 10-30 parts of methyl methacrylate, third
1-5 parts of olefin(e) acid, 0.1-3 parts of Methacrylamide, 0.5-2 parts of hydroxy-ethyl acrylate, 5-15 parts of versatic acid ethylene fat, emulsifier 1-
10 parts, 0.1-6 parts of initiator, 0.7-3.5 parts of ammonium hydroxide.
A kind of 2. weather-proof the third external wall elastic of uncle lotion according to claim 1, which is characterized in that the versatic acid ethylene fat
For highly branched chain unitary saturated carboxylic acid vinyl acetate.
3. a kind of weather-proof the third external wall elastic of uncle lotion according to claim 1, which is characterized in that the emulsifier by the moon from
Sub- emulsifier and nonionic emulsifier are (3~9) according to mass ratio:1 mixing composition.
A kind of 4. weather-proof the third external wall elastic of uncle lotion according to claim 3, which is characterized in that the anion emulsifier
It is mixed using one or more of sodium alkyl sulfate, sodium alkyl sulfonate, sodium alkyl benzene sulfonate arbitrary proportion.
A kind of 5. weather-proof the third external wall elastic of uncle lotion according to claim 3 or 4, which is characterized in that the nonionic Emulsion
Agent is using octadecanoic acid ester of polyethylene glycol, alkyl alcohol ethoxylates, Pluronic PE 6800, ethyoxyl polypropylene
One or more of ether block copolymers arbitrary proportion mixes.
6. a kind of weather-proof the third external wall elastic of uncle lotion according to claim 1, which is characterized in that the initiator used
The mixing of one or both of potassium sulfate, sodium peroxydisulfate.
7. a kind of preparation method according to any one of claim 1-6 weather-proof the third external wall elastic of uncle lotions, which is characterized in that
Specifically include following steps：
A) preparation of bottom material liquid：To with blender, condenser, constant flow pump feeding device polymeric kettle in, add in deionized water
35-40 parts, 0.2-2 parts of emulsifier, are warming up to temperature in the kettle and reach 80-90 DEG C；
B) preparation of pre-emulsion：Formula is added in into the pre-emulsification tank with monomer measuring tank, blender at normal temperatures and pressures
Whole Isooctyl acrylate monomers of amount, butyl acrylate, methyl methacrylate, acrylic acid, Methacrylamide, acrylic acid hydroxyl second
0.8-8 parts of ester, versatic acid ethylene fat and emulsifier and 35-40 parts of deionized water, are stirred into uniform pre-emulsion, and
Stirring 10-20 minutes it is spare；
C) preparation of initiator solution：It is added at normal temperatures and pressures into the initiator tank with blender, constant current Dropping feeder
15-30 parts of the initiator of formula ratio, deionized water, stirring are spare to being completely dissolved；
D) when polymerizeing temperature in the kettle and reaching 80-90 DEG C, added in into kettle step b) be made pre-emulsion total amount 3%-5%,
The 10%-90% of initiator solution total amount is made in step c), after 15-30 minutes, is added dropwise by constant flow pump feeding device and constant current
Remaining pre-emulsion and initiator solution is added dropwise in metering device into polymeric kettle simultaneously, and time for adding control is at 180-240 points
Clock, and 0-15 minutes more late than pre-emulsion of initiator solution is added dropwise；
E) control polymerization temperature in the kettle is in 85-90 DEG C, keeps the temperature 1-2 hours, cools down and is adjusted pH to 7-9, stirring with ammonium hydroxide
0.5-1 hours, filtering and discharging, you can obtain weather-proof uncle the third external wall elastic lotion.
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN115368090A (en) * | 2022-09-02 | 2022-11-22 | 温州吉邦科技发展有限公司 | Waterproof dry-mixed mortar and production process thereof |
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|---|---|---|---|---|
| CN103408690A (en) * | 2013-07-12 | 2013-11-27 | 三棵树涂料股份有限公司 | Modified waterproof emulsion of core-shell vinyl versatate and preparation method thereof |
| CN106565897A (en) * | 2016-11-09 | 2017-04-19 | 佛山市顺德区巴德富实业有限公司 | Outer wall elastic emulsion with lotus effect and preparing method of outer wall elastic emulsion |
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- 2017-12-30 CN CN201711489736.XA patent/CN108250349A/en active Pending
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| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103408690A (en) * | 2013-07-12 | 2013-11-27 | 三棵树涂料股份有限公司 | Modified waterproof emulsion of core-shell vinyl versatate and preparation method thereof |
| CN106565897A (en) * | 2016-11-09 | 2017-04-19 | 佛山市顺德区巴德富实业有限公司 | Outer wall elastic emulsion with lotus effect and preparing method of outer wall elastic emulsion |
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| CN115368090A (en) * | 2022-09-02 | 2022-11-22 | 温州吉邦科技发展有限公司 | Waterproof dry-mixed mortar and production process thereof |
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Application publication date: 20180706 |