CN105294927A - Butyl acrylate/butadiene/styrene latex and preparation method thereof - Google Patents
Butyl acrylate/butadiene/styrene latex and preparation method thereof Download PDFInfo
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- CN105294927A CN105294927A CN201510846183.3A CN201510846183A CN105294927A CN 105294927 A CN105294927 A CN 105294927A CN 201510846183 A CN201510846183 A CN 201510846183A CN 105294927 A CN105294927 A CN 105294927A
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Abstract
The invention provides a butyl acrylate/butadiene/styrene latex and a preparation method thereof and belongs to the technical field of emulsion polymerization. The butyl acrylate/butadiene/styrene latex comprises the following ingredients in parts by weight: 300-375 parts of butyl acrylate monomers, 0-50 parts of styrene monomers and 100-200 parts of butadiene monomers. The invention also provides a preparation method of the butyl acrylate/butadiene/styrene latex. The preparation method comprises the following steps: adding an emulsifier, a molecular weight regulator, an initiator, butyl acrylate monomers, styrene monomers and water into a reaction kettle; then closing the reaction kettle; after that, adding butadiene monomers; placing the reaction kettle in a rotary thermostatic water bath for polymerization reaction to obtain the butyl acrylate/butadiene/styrene latex after finish of the reaction. The preparation method is simple and easily accessible in raw material, and the obtained latex can be used for modified PMMA resin to endow PMMA resin with favorable transparency and ductility.
Description
Technical field
The invention belongs to technical field of emulsion polymerization, especially relate to the preparation method of a kind of butyl acrylate/Butadiene/Styrene latex.
Background technology
Polymethylmethacrylate (PMMA) is a kind of important organic transparent material, it has excellent optical property, chemical stability, weathering resistance and electrical insulating property, but, also there is the shortcomings such as thermotolerance, toughness is poor, organic solvent resistance is poor in it, these strongly limit its Application Areas.
The reason causing optical property to decline by adding properties-correcting agent in PMMA resin is that the refractive index of properties-correcting agent and PMMA resin does not mate.Therefore, the modified PMMA resin of excellent optical performance be obtained, the refractive index of two-phase must be made mutually to mate.At present, a kind of properties-correcting agent is more and more needed can to make modified PMMA resin in mechanical property and optical property two, have a well balance.But present stage, generally carry out modified PMMA resin by ABS graft copolymer, prepared blend toughness is greatly improved, but transmittance but do not reach make us satisfied degree.In order to make modified PMMA resin not only have good toughness, and also having excellent optical property, realizing by a kind of novel propylene acid butyl ester/Butadiene/Styrene latex.
Summary of the invention
The object of this invention is to provide a kind of butyl acrylate/Butadiene/Styrene latex and preparation method thereof.
First the present invention provides a kind of butyl acrylate/Butadiene/Styrene latex, according to weight parts, comprising:
Butyl Acrylate Monomer 300-375 weight part
Styrene monomer 0-50 weight part
Divinylic monomer 100-200 weight part.
Preferably, described latex particle size is 100-455 nanometer.
The present invention also provides the preparation method of a kind of butyl acrylate/Butadiene/Styrene latex, comprising:
Emulsifying agent, molecular weight regulator, initiator, Butyl Acrylate Monomer, styrene monomer and water are joined in reactor, then divinylic monomer is added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control and carries out polyreaction, and reaction end obtains butyl acrylate/Butadiene/Styrene latex.
Preferably, described emulsifying agent is the blending emulsifiers of rosin soap lye and fatty acid soaps.
Preferably, described rosin soap lye and the mass ratio of fatty acid soaps are 1:1.
Preferably, described molecular weight regulator is selected from one or more in methyl mercaptan, cyclohexanethiol, n-dodecyl mercaptan, tertiary lauryl mercaptan, n-tetradecane base mercaptan.
Preferably, described initiator comprises Potassium Persulphate or Ammonium Persulfate 98.5.
Preferably, described polymerization temperature is 60-75 DEG C.
Preferably, described polymerization time is 20-30 hour.
Beneficial effect of the present invention
First the present invention provides a kind of butyl acrylate/Butadiene/Styrene latex, and according to weight parts, this latex comprises: Butyl Acrylate Monomer 300-375 weight part, styrene monomer 0-50 weight part, divinylic monomer 100-200 weight part.Latex of the present invention can be used for modified PMMA resin, makes PMMA resin have the good transparency and toughness.
The present invention also provides the preparation method of a kind of butyl acrylate/Butadiene/Styrene latex, emulsifying agent, molecular weight regulator, initiator, Butyl Acrylate Monomer, styrene monomer and water join in reactor by the method, then divinylic monomer is added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control and carries out polyreaction, and reaction end obtains butyl acrylate/Butadiene/Styrene latex.Preparation method of the present invention is simple, raw material is easy to get.
Embodiment
The invention provides a kind of novel propylene acid butyl ester/Butadiene/Styrene latex, comprising:
Butyl Acrylate Monomer 300-375 weight part, divinylic monomer 100-200 weight part, styrene monomer 0-50 weight part; Be preferably Butyl Acrylate Monomer 315-360 weight part, divinylic monomer 115-175 weight part, styrene monomer 15-40 weight part; Be more preferably: Butyl Acrylate Monomer 325-350 weight part, divinylic monomer 125-155 weight part, styrene monomer 25-35 weight part; Described latex particle size is preferably 100-455 nanometer.
The present invention also provides the preparation method of a kind of butyl acrylate/Butadiene/Styrene latex, comprising:
Emulsifying agent, molecular weight regulator, initiator, Butyl Acrylate Monomer, styrene monomer and water are joined in reactor, then divinylic monomer is added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control and carries out polyreaction, and reaction end obtains butyl acrylate/Butadiene/Styrene latex.
According to the present invention, described emulsifying agent is the blending emulsifiers of rosin soap lye and fatty acid soaps, and described rosin soap lye and the mass ratio of fatty acid soaps are preferably 1:1; Described molecular weight regulator is preferably selected from one or more in methyl mercaptan, cyclohexanethiol, n-dodecyl mercaptan, tertiary lauryl mercaptan, n-tetradecane base mercaptan; Described initiator is preferably persulfuric acid salt initiator, is more preferably Potassium Persulphate and Ammonium Persulfate 98.5.
According to the present invention, the weight ratio of described emulsifying agent, molecular weight regulator, initiator, Butyl Acrylate Monomer, styrene monomer and divinylic monomer is (150-300): (0.1-2): (0.1-2): (300-375): (0-50): (100-200).According to the present invention, described polymerization temperature is preferably 60-75 DEG C, and polymerization time is preferably 20-30 hour.
Butyl acrylate obtained above/Butadiene/Styrene latex is carried out modification to PMMA resin, and concrete grammar is:
100-300 parts by weight of deionized water is injected there-necked flask, then 0.1-0.7 weight part trisodium phosphate is added successively, 0.3-0.9 weight part glucose and 0.001-0.03 parts by weight of ferrous sulfate, 0.01-0.10 weight part potassium hydroxide is added again after abundant dissolving, 1-6 parts by weight Emulsifier and 100-300 parts by weight propylene acid butyl ester/Butadiene/Styrene latex, there-necked flask is put into water bath with thermostatic control constant temperature to 60-70 DEG C, in there-necked flask, pass into nitrogen and stir 10-20 minute simultaneously, take 10-40 parts by weight of methylmethacrylate monomer and 0.10-0.35 weight part initiator preparation methyl methacrylate dropping monomer,
Adopt continuously feeding method that the methyl methacrylate prepared is dripped monomer dropping in there-necked flask, add 0.01-0.20 weight part initiator before dropping, time for adding is 10-60 minute, drips and terminates to add 0.01-0.20 weight part initiator again, reaction 30-90 minute, after reacting completely, cool to 60 DEG C, add 1-20 weight part oxidation inhibitor, continue to stir 1-30 minute, discharging, adds 5 weight part flocculation agent 5 weight parts, can obtain rubbery copolymer;
Take 12-23.14 parts by weight of rubber shape multipolymer and 48-36.86 weight part PMMA resin carries out melt blending 5-10 minute at 170-180 DEG C, transparent rubber-modified plexiglass composition can be obtained.
Described emulsifying agent, initiator, oxygenant and flocculation agent are not particularly limited, and emulsifying agent is preferably the blending emulsifiers of rosin soap lye and fatty acid soaps, and the mass ratio of rosin soap lye and fatty acid soaps is 1:1; Described initiator is persulfuric acid salt, preferably includes Potassium Persulphate and Ammonium Persulfate 98.5; Described oxidation inhibitor is single phenolic antioxidant and Polyphenols oxidation inhibitor, preferably includes β-(4-hydroxyl-3,5-di-tert-butyl-phenyl) positive octadecyl ester of propionic acid and 2,2 '-methylene-bis (4-methyl-6-tert-butylphenol); In described flocculation agent preferably sulfuric acid, hydrochloric acid, phosphoric acid, acetic acid, calcium chloride, magnesium chloride, bariumchloride, aluminum chloride, magnesium sulfate or Tai-Ace S 150 one or more.
The present invention is described in further detail for following embodiment, but it is to be noted that these embodiments should be counted as limitation of the scope of the invention in no instance.
Embodiment 1
The blending emulsifiers (weight ratio 1:1) of 300 weight part rosin soap lyes and fatty acid soaps, the tertiary lauryl mercaptan of 1 weight part, 1.27 weight part Potassium Persulphates, 300 parts by weight propylene acid butyl ester monomers, 50 weight parts of styrene monomer, 636 parts by weight of deionized water are joined in reactor, then 150 weight parts of butadiene monomers are added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control, 60 DEG C of reactions 30 hours, reaction end obtained butyl acrylate/Butadiene/Styrene latex.
Embodiment 2
The blending emulsifiers (weight ratio 1:1) of 250 weight part rosin soap lyes and fatty acid soaps, the tertiary lauryl mercaptan of 1 weight part, 1.27 weight part Potassium Persulphates, 300 parts by weight propylene acid butyl ester monomers, 50 weight parts of styrene monomer, 378 parts by weight of deionized water are joined in reactor, then 150 weight parts of butadiene monomers are added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control, 75 DEG C of reactions 20 hours, reaction end obtained butyl acrylate/Butadiene/Styrene latex.
Embodiment 3
The blending emulsifiers (weight ratio 1:1) of 200 weight part rosin soap lyes and fatty acid soaps, the tertiary lauryl mercaptan of 1 weight part, 1.27 weight part Potassium Persulphates, 300 parts by weight propylene acid butyl ester monomers, 50 weight parts of styrene monomer, 330 parts by weight of deionized water are joined in reactor, then 150 weight parts of butadiene monomers are added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control, 70 DEG C of reactions 25 hours, reaction end obtained butyl acrylate/Butadiene/Styrene latex.
Embodiment 4
The blending emulsifiers (weight ratio 1:1) of 150 weight part rosin soap lyes and fatty acid soaps, the tertiary lauryl mercaptan of 1 weight part, 1.27 weight part Potassium Persulphates, 300 parts by weight propylene acid butyl ester monomers, 50 weight parts of styrene monomer, 373 parts by weight of deionized water are joined in reactor, then 150 weight parts of butadiene monomers are added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control, 65 DEG C of reactions 28 hours, reaction end obtained butyl acrylate/Butadiene/Styrene latex.
Embodiment 5
The blending emulsifiers (weight ratio 1:1) of 150 weight part rosin soap lyes and fatty acid soaps, the tertiary lauryl mercaptan of 1 weight part, 1.27 weight part Potassium Persulphates, 300 parts by weight propylene acid butyl ester monomers, 50 weight parts of styrene monomer, 280 parts by weight of deionized water are joined in reactor, then 150 weight parts of butadiene monomers are added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control, 70 DEG C of reactions 25 hours, reaction end obtained butyl acrylate/Butadiene/Styrene latex.
Embodiment 6
The blending emulsifiers (weight ratio 1:1) of 150 weight part rosin soap lyes and fatty acid soaps, the tertiary lauryl mercaptan of 1 weight part, 1.27 weight part Potassium Persulphates, 300 parts by weight propylene acid butyl ester monomers, 50 weight parts of styrene monomer, 232 parts by weight of deionized water are joined in reactor, then 150 weight parts of butadiene monomers are added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control, 70 DEG C of reactions 25 hours, reaction end obtained butyl acrylate/Butadiene/Styrene latex.
Embodiment 7
The blending emulsifiers (weight ratio 1:1) of 150 weight part rosin soap lyes and fatty acid soaps, the tertiary lauryl mercaptan of 1 weight part, 1.27 weight part Potassium Persulphates, 300 parts by weight propylene acid butyl ester monomers, 50 weight parts of styrene monomer, 217 parts by weight of deionized water are joined in reactor, then 150 weight parts of butadiene monomers are added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control, 70 DEG C of reactions 25 hours, reaction end obtained butyl acrylate/Butadiene/Styrene latex.
Embodiment 8
The blending emulsifiers (weight ratio 1:1) of 150 weight part rosin soap lyes and fatty acid soaps, the tertiary lauryl mercaptan of 1 weight part, 1.27 weight part Potassium Persulphates, 300 parts by weight propylene acid butyl ester monomers, 50 weight parts of styrene monomer, 210 parts by weight of deionized water are joined in reactor, then 150 weight parts of butadiene monomers are added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control, 70 DEG C of reactions 25 hours, reaction end obtained butyl acrylate/Butadiene/Styrene latex.
Embodiment 9
The blending emulsifiers (weight ratio 1:1) of 150 weight part rosin soap lyes and fatty acid soaps, the tertiary lauryl mercaptan of 1 weight part, 1.27 weight part Potassium Persulphates, 300 parts by weight propylene acid butyl ester monomers, 50 weight parts of styrene monomer, 202 parts by weight of deionized water are joined in reactor, then 150 weight parts of butadiene monomers are added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control, 70 DEG C of reactions 25 hours, reaction end obtained butyl acrylate/Butadiene/Styrene latex.
Embodiment 10
The blending emulsifiers (weight ratio 1:1) of 150 weight part rosin soap lyes and fatty acid soaps, the tertiary lauryl mercaptan of 1 weight part, 1.27 weight part Potassium Persulphates, 350 parts by weight propylene acid butyl ester monomers, 217 parts by weight of deionized water are joined in reactor, then 150 weight parts of butadiene monomers are added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control, 70 DEG C of reactions 25 hours, reaction end obtained butyl acrylate/Butadiene/Styrene latex.
Embodiment 11
The blending emulsifiers (weight ratio 1:1) of 150 weight part rosin soap lyes and fatty acid soaps, the tertiary lauryl mercaptan of 1 weight part, 1.27 weight part Potassium Persulphates, 300 parts by weight propylene acid butyl ester monomers, 217 parts by weight of deionized water are joined in reactor, then 200 weight parts of butadiene monomers are added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control, 70 DEG C of reactions 25 hours, reaction end obtained butyl acrylate/Butadiene/Styrene latex.
Embodiment 12
The blending emulsifiers (weight ratio 1:1) of 150 weight part rosin soap lyes and fatty acid soaps, the tertiary lauryl mercaptan of 1 weight part, 1.27 weight part Potassium Persulphates, 350 parts by weight propylene acid butyl ester monomers, 25 weight parts of styrene monomer, 630 parts by weight of deionized water are joined in reactor, then 125 weight parts of butadiene monomers are added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control, 70 DEG C of reactions 25 hours, reaction end obtained butyl acrylate/Butadiene/Styrene latex.
Embodiment 13
The blending emulsifiers (weight ratio 1:1) of 150 weight part rosin soap lyes and fatty acid soaps, the tertiary lauryl mercaptan of 1 weight part, 1.27 weight part Potassium Persulphates, 350 parts by weight propylene acid butyl ester monomers, 25 weight parts of styrene monomer, 280 parts by weight of deionized water are joined in reactor, then 125 weight parts of butadiene monomers are added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control, 70 DEG C of reactions 25 hours, reaction end obtained butyl acrylate/Butadiene/Styrene latex.
Embodiment 14
The blending emulsifiers (weight ratio 1:1) of 150 weight part rosin soap lyes and fatty acid soaps, the tertiary lauryl mercaptan of 1 weight part, 1.27 weight part Potassium Persulphates, 350 parts by weight propylene acid butyl ester monomers, 25 weight parts of styrene monomer, 224 parts by weight of deionized water are joined in reactor, then 125 weight parts of butadiene monomers are added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control, 70 DEG C of reactions 25 hours, reaction end obtained butyl acrylate/Butadiene/Styrene latex.
Embodiment 15
The blending emulsifiers (weight ratio 1:1) of 150 weight part rosin soap lyes and fatty acid soaps, the tertiary lauryl mercaptan of 1 weight part, 1.27 weight part Potassium Persulphates, 300 parts by weight propylene acid butyl ester monomers, 25 weight parts of styrene monomer, 217 parts by weight of deionized water are joined in reactor, then 175 weight parts of butadiene monomers are added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control, 70 DEG C of reactions 25 hours, reaction end obtained butyl acrylate/Butadiene/Styrene latex.
Embodiment 16
The blending emulsifiers (weight ratio 1:1) of 150 weight part rosin soap lyes and fatty acid soaps, the tertiary lauryl mercaptan of 1 weight part, 1.27 weight part Potassium Persulphates, 325 parts by weight propylene acid butyl ester monomers, 25 weight parts of styrene monomer, 217 parts by weight of deionized water are joined in reactor, then 150 weight parts of butadiene monomers are added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control, 70 DEG C of reactions 25 hours, reaction end obtained butyl acrylate/Butadiene/Styrene latex.
Embodiment 17
The blending emulsifiers (weight ratio 1:1) of 150 weight part rosin soap lyes and fatty acid soaps, the tertiary lauryl mercaptan of 1 weight part, 1.27 weight part Potassium Persulphates, 350 parts by weight propylene acid butyl ester monomers, 25 weight parts of styrene monomer, 217 parts by weight of deionized water are joined in reactor, then 125 weight parts of butadiene monomers are added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control, 70 DEG C of reactions 25 hours, reaction end obtained butyl acrylate/Butadiene/Styrene latex.
Embodiment 18
The blending emulsifiers (weight ratio 1:1) of 150 weight part rosin soap lyes and fatty acid soaps, the tertiary lauryl mercaptan of 1 weight part, 1.27 weight part Potassium Persulphates, 350 parts by weight propylene acid butyl ester monomers, 25 weight parts of styrene monomer, 217 parts by weight of deionized water are joined in reactor, then 100 weight parts of butadiene monomers are added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control, 70 DEG C of reactions 25 hours, reaction end obtained butyl acrylate/Butadiene/Styrene latex.
The butyl acrylate obtained by embodiment 1-18/Butadiene/Styrene latex carries out modification to PMMA resin, and modified PMMA is carried out shock strength and transmittance test, the result obtained is as shown in table 1:
Table 1
The foregoing is only the several better possible embodiments of the present invention, all technician being familiar with this, its modification done according to scope of the present invention or change, all ought to be included within the scope of technical solution of the present invention.
Claims (9)
1. butyl acrylate/Butadiene/Styrene latex, is characterized in that, according to weight parts, comprising:
Butyl Acrylate Monomer 300-375 weight part
Styrene monomer 0-50 weight part
Divinylic monomer 100-200 weight part.
2. a kind of butyl acrylate/Butadiene/Styrene latex according to claim 1, is characterized in that, described latex particle size is 100-455 nanometer.
3. a preparation method for butyl acrylate/Butadiene/Styrene latex, is characterized in that, comprising:
Emulsifying agent, molecular weight regulator, initiator, Butyl Acrylate Monomer, styrene monomer and water are joined in reactor, then divinylic monomer is added after reactor is airtight, reactor is placed in revolution water bath with thermostatic control and carries out polyreaction, and reaction end obtains butyl acrylate/Butadiene/Styrene latex.
4. the preparation method of a kind of butyl acrylate/Butadiene/Styrene latex according to claim 3, is characterized in that, described emulsifying agent is the blending emulsifiers of rosin soap lye and fatty acid soaps.
5. the preparation method of a kind of butyl acrylate/Butadiene/Styrene latex according to claim 4, is characterized in that, described rosin soap lye and the mass ratio of fatty acid soaps are 1:1.
6. the preparation method of a kind of butyl acrylate/Butadiene/Styrene latex according to claim 3, it is characterized in that, described molecular weight regulator is selected from one or more in methyl mercaptan, cyclohexanethiol, n-dodecyl mercaptan, tertiary lauryl mercaptan, n-tetradecane base mercaptan.
7. the preparation method of a kind of butyl acrylate/Butadiene/Styrene latex according to claim 3, it is characterized in that, described initiator comprises Potassium Persulphate or Ammonium Persulfate 98.5.
8. the preparation method of a kind of butyl acrylate/Butadiene/Styrene latex according to claim 3, is characterized in that, described polymerization temperature is 60-75 DEG C.
9. the preparation method of a kind of butyl acrylate/Butadiene/Styrene latex according to claim 3, is characterized in that, described polymerization time is 20-30 hour.
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN107189607A (en) * | 2017-06-01 | 2017-09-22 | 苏州乔纳森新材料科技有限公司 | A kind of medical acrylic acid butyl ester water-proof emulsion and preparation method thereof |
| CN110144021A (en) * | 2019-04-26 | 2019-08-20 | 长春工业大学 | A kind of emulsifier and its preparation method and application |
| CN110628156A (en) * | 2018-06-23 | 2019-12-31 | 深圳市宝聚合塑料有限公司 | Composite polymerized acrylate rubber and preparation method thereof |
| CN111876105A (en) * | 2020-08-17 | 2020-11-03 | 山东京博中聚新材料有限公司 | Modified styrene-butadiene pressure-sensitive adhesive and preparation method thereof |
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| CN101191003A (en) * | 2006-11-18 | 2008-06-04 | 沂源瑞丰高分子材料有限公司 | High transparence MBS resin composition with excellent impact property |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107189607A (en) * | 2017-06-01 | 2017-09-22 | 苏州乔纳森新材料科技有限公司 | A kind of medical acrylic acid butyl ester water-proof emulsion and preparation method thereof |
| CN110628156A (en) * | 2018-06-23 | 2019-12-31 | 深圳市宝聚合塑料有限公司 | Composite polymerized acrylate rubber and preparation method thereof |
| CN110144021A (en) * | 2019-04-26 | 2019-08-20 | 长春工业大学 | A kind of emulsifier and its preparation method and application |
| CN111876105A (en) * | 2020-08-17 | 2020-11-03 | 山东京博中聚新材料有限公司 | Modified styrene-butadiene pressure-sensitive adhesive and preparation method thereof |
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