CN102140217B - Preparation method and use of polyacrylate/silica solution composite material - Google Patents
Preparation method and use of polyacrylate/silica solution composite material Download PDFInfo
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- CN102140217B CN102140217B CN201110079692XA CN201110079692A CN102140217B CN 102140217 B CN102140217 B CN 102140217B CN 201110079692X A CN201110079692X A CN 201110079692XA CN 201110079692 A CN201110079692 A CN 201110079692A CN 102140217 B CN102140217 B CN 102140217B
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Abstract
The invention discloses a preparation method and use of a polyacrylate/silica solution composite material. In the invention, the silica solution modified polyacrylate/silica solution composite material is obtained by using cheap and readily available silica solution as inorganic nano modifier, by the pre-emulsification and seeded emulsion polymerization of monomers such as acrylic ester and by adding modified silica solution in the preparation process of a polyacrylate shell in a core-shell structure for effective combination, and the average particle size of the composite material is between 100 and 150 nanometers. When the polyacrylate/silica solution composite material is used as an impact resistant modifier for polrvinyl chloride, the polrvinyl chloride has high impact resistance and excellent mechanical properties such as tensile strength and processing performance. In addition, the use of the silica solution helps to reduce the production cost of products.
Description
Technical field
The present invention relates to the preparation method of a kind of nucleocapsid structure polyacrylic ester (ACR)/silicon sol matrix material and as the application of vita anti-impact modifier.
Background technology
Silicon sol is that the colloidal particle of silicon-dioxide are scattered in the colloidal solution in the water, is amorphous Si O
2The stable dispersion of the colloidal sized of particle in water.Silicon sol has following characteristics: 1. colloidal sol is low viscous colloidal solution, good dispersivity; 2. silicon sol has good cementability; 3. the silicon hydroxyl and the planar water on silica sol particle surface can improve wettability; 4. silicon sol has good reactivity, and can carry out at homogeneous phase, through with the uniform mixing of organic resin, can improve its machinery, optics and electrical property.As a kind of important inorganic macromolecule material, silicon sol has been widely used in fields such as chemical industry, precision casting, weaving, papermaking, coating, food, electronics, ore dressing.
Through silicon sol is carried out modification, make the silicon sol surface have oil loving organic group, will have the effect of very big promotion in the application aspect the organic polymer material to silicon sol.Organic/inorganic composite material has the characteristics of organism and inorganics concurrently; Particularly characteristics inorganic, organic, nanoparticle three aspects are combined; Prepare polymer based nanocomposites; Can improve the over-all properties of polymkeric substance, for enhancing, toughening modifying and the functional modification of polymkeric substance provides new approach comprehensively.
Chinese invention patent ZL 200810220303.9 discloses a kind of nanometer SiO
2The preparation method of/ACR composite particles is through to 20 ~ 40nm nanometer SiO
2Carry out the coupling modification and obtain nanometer SiO
2Emulsion, it is compound in the process of preparation ACR particle shell, to carry out grafting then, obtains a kind of nanometer SiO
2/ ACR composite particles is used for the performances such as tensile strength, shock strength and Vicat softening point of PVC processing can obviously improvement goods, thereby improves the use properties of goods.Chinese patent 200910046420 discloses a kind of Nano silica sol/acrylate composite emulsion and preparation method thereof; In the presence of Nano silica sol and alkyl alcohol solvent; Adopt seed emulsion polymerization or situ aggregation method; With the acrylate monomer polymerization; Obtain with the silica dioxide granule is that nuclear, Yodo Sol GH 28 are the nanometer nucleocapsid structure composite emulsion that shell is formed; Composite emulsion have higher tensile strength, tear strength and better performances such as acid and alkali-resistance, weather-proof, wear-resisting, anti-ultraviolet ageing and anti-soil can be used for many aspects such as coating for internal and external wall, ground terrace paint and professional athletic ground finishing coat, and environmental protection has vast market prospect.Chinese patent 200810010114 discloses a kind of modified silicasol and the application in the preparation water-borne coatings thereof; With the water silica sol is after raw material carries out modification; It is applied to the preparation of coating as base-material, and the aqueous inorganic paint that makes has organic coating high-decoration, good sticking power, toughness concurrently, has the high firmness of inorganic paint again; Chemical-resistant can be widely used in substrate surface and building trades such as metal, glass, timber, plastics.
Summary of the invention
The invention discloses the preparation method and the application thereof of a kind of nucleocapsid structure polyacrylic ester (ACR)/silicon sol matrix material; Through selecting suitable properties-correcting agent; Silicon sol is carried out modification, make the silicon sol surface have oil loving organic group, improve the consistency of itself and organic resin; Adopting the seed emulsion semi-continuous process, is monomer with the Bing Xisuandingzhi, N, N
,-methylene-bisacrylamide is as linking agent, and Potassium Persulphate is as initiator, and sodium lauryl sulphate makes seed emulsion as the emulsifying agent stabilising system; With Bing Xisuandingzhi and vinylbenzene is monomer, N, N
,-methylene-bisacrylamide is as linking agent, and Potassium Persulphate is as initiator, and sodium lauryl sulphate prepares stratum nucleare as the emulsifying agent stabilising system; With TEB 3K and vinylbenzene is monomer, N, N
,-methylene-bisacrylamide is as linking agent; Potassium Persulphate is as initiator; Adopting sodium lauryl sulphate and reactive emulsifier alkyl phenol ether ammonium sulfate is compound emulsifying agent, makes organic monomer and quantitative modified silicasol mix and obtains stabilising system, the preparation shell.React completely after breakdown of emulsion washs, promptly obtain nanometer ACR/ silicon sol composite particles after the drying.Preparing method's particular content of a kind of Polyacrylate matrix material provided by the invention comprises the steps:
(1) adopts γ-(methacryloxypropyl) propyl trimethoxy silicane, 3-(2,3-epoxy third oxygen) propyl trimethoxy silicane; Two kinds in the γ-An Bingjisanyiyangjiguiwan as properties-correcting agent; At 40 ~ 60 ℃ silicon sol is carried out surface-treated, in 5 ~ 8 hours reaction times, obtain modified silicasol; The properties-correcting agent consumption is 1.0%～12.0% of a silicon sol total amount, and wherein the mass ratio of two kinds of properties-correcting agent is 1:1;
(2) with zero(ppm) water be solvent, Bing Xisuandingzhi is as monomer A, and Potassium Persulphate is an initiator; Consumption is 0.1～0.8% of a monomer A quality; Sodium lauryl sulphate is as emulsifying agent, and consumption is 0.5～5.0% of a monomer A quality, also continues under the stirring at 70 ℃; Reacted preparation seed latex 0.5 hour;
(3) be monomers B with Bing Xisuandingzhi and vinylbenzene, wherein Bing Xisuandingzhi and cinnamic mass ratio are 4:1, N, N
,-methylene-bisacrylamide is as linking agent, and consumption is 0.02～0.1% of a monomers B quality, and Potassium Persulphate is as initiator; Consumption is 0.05～0.3% of a monomers B quality, and sodium lauryl sulphate is as emulsifying agent, and consumption is 0.1～1.0% of a monomers B quality; Said components added in the zero(ppm) water to stir obtain pre-emulsion I; Pre-emulsion I is added drop-wise in the seed latex of step (2), also continues to react 1 hour under the stirring, obtain examining emulsion at 75 ℃;
(4) be monomer C with TEB 3K and vinylbenzene, TEB 3K and cinnamic mass ratio are 2:1, N, N
,-methylene-bisacrylamide is as linking agent, and consumption is 0.1～0.5% of a monomer C quality, and Potassium Persulphate is as initiator, and consumption is 0.05～0.3% of a monomer C quality; Adopting sodium lauryl sulphate and reactive emulsifier alkyl phenol ether ammonium sulfate is compound emulsifying agent; The mass ratio of sodium lauryl sulphate and reactive emulsifier alkyl phenol ether ammonium sulfate is 70:30; The compound emulsifying agent consumption is 0.1～2.0% of a monomer C quality; Said components and modified silicasol joined to stir in the zero(ppm) water obtain pre-emulsion II; Pre-emulsion II is added drop-wise in the nuclear emulsion of step (3), reacted 2 hours down and under continuing to stir, make nucleocapsid structure Polyacrylate composite emulsion at 85 ℃;
(5) nucleocapsid structure Polyacrylate composite emulsion obtains nucleocapsid structure Polyacrylate matrix material through breakdown of emulsion, drying.
Monomer A in the above-mentioned steps (1) (2) (3) (4): monomers B: monomer C mass ratio is 5 ~ 10:50 ~ 70:20 ~ 40, with SiO
2Meter modified silicasol consumption is 5.0～20.0% of monomer A+monomers B+monomer C total mass.
Used silicon sol is the sodium type in the above-mentioned steps (1), solid content 30 ± 1%.
Monomer A in the above-mentioned steps (2): the zero(ppm) water mass ratio is 20:80.
Monomers B in the above-mentioned steps (3): zero(ppm) water mass ratio 40:60.
Monomer C in the above-mentioned steps (4): the zero(ppm) water mass ratio is 30:70.
The particle diameter of nucleocapsid structure Polyacrylate matrix material is at 100 ~ 150nm in the above-mentioned steps (5).The present invention also provides the Polyacrylate matrix material of described preparing method's preparation to be applied to the processing of SE as impact modifier.
Beneficial effect of the present invention:
The present invention selects for use silicon sol cheap and easy to get as inorganic nanometer modified dose; Through monomeric preparatory emulsification, seeded emulsion polymerizations such as propenoate; And the silicon sol that in the process of nucleocapsid structure polyacrylic ester (ACR) shell preparation, adds through modification carries out effectively compound; Obtain silica sol modified ACR/ silicon sol composite particles, median size is between 100 ~ 150nm, as SE (PVC) anti-impact modifier; Not only give its excellent shock resistance, have mechanical properties such as good tensile and processing characteristics simultaneously.In addition, the use of silicon sol helps reducing production cost of products.
Embodiment
Below further specify content of the present invention through concrete embodiment, but be not limited to following embodiment.
Embodiment one:
(1) with composite modifier γ-(methacryloxypropyl) propyl trimethoxy silicane+3-(2; 3-epoxy third oxygen) propyl trimethoxy silicane+γ-An Bingjisanyiyangjiguiwan (mass ratio of two kinds of properties-correcting agent is 1:1) adds in the silicon sol; The properties-correcting agent consumption is 3.0% of a silicon sol total amount; Also reacted 6 hours under the stirring at 55 ℃, obtain modified silicasol.
(2) with zero(ppm) water be solvent; Add monomer A (Bing Xisuandingzhi) successively; Initiator potassium persulfate is (consumption is 0.3 % of monomer A quality), emulsifier sodium lauryl sulfate (consumption be monomer A quality 3.2%), 70 ℃ and continue to stir under; Reacted preparation seed latex 0.5 hour;
(3) with monomers B (forming by mass ratio 4:1), linking agent N, N by Bing Xisuandingzhi, vinylbenzene
,-methylene-bisacrylamide (consumption be monomers B quality 0.1%); Initiator potassium persulfate (consumption is 0.18 % of monomers B quality); Emulsifier sodium lauryl sulfate (consumption is 0.8 % of monomers B quality) adds successively in the zero(ppm) water to stir and obtains pre-emulsion I; Pre-emulsion I is added drop-wise in the seed latex of step (2), also continues to react 1 hour under the stirring, obtain examining emulsion at 75 ℃;
(4) with monomer C (forming by mass ratio 2:1), linking agent N, N by TEB 3K, vinylbenzene
,-methylene-bisacrylamide (consumption be monomer C quality 0.3%); Initiator potassium persulfate (consumption be monomer C quality 0.15%); Compound emulsifying agent (is made up of by mass ratio 70:30 sodium lauryl sulphate, reactive emulsifier alkyl phenol ether ammonium sulfate; The compound emulsifying agent consumption be monomer C quality 1.5%) modified silicasol that obtains with step (1) joins successively to stir in the zero(ppm) water and obtains pre-emulsion II; Pre-emulsion II is added drop-wise in the nuclear emulsion of step (3), reacted 2 hours down and under continuing to stir, make nucleocapsid structure polyacrylic ester (ACR)/silicon sol composite emulsion at 85 ℃;
(5) above-mentioned ACR/ silicon sol composite emulsion obtains ACR/ silicon sol composite particles through breakdown of emulsion, drying.
Wherein, monomer A: monomers B: monomer C mass ratio is 5:60:35, and modified silicasol is the sodium type, solid content 30 ± 1%, and consumption is (with SiO
2Meter, down together) be 8% of (monomer A+monomers B+monomer C) total mass; Monomer A in the step (2): the zero(ppm) water mass ratio is 20:80, monomers B in the step (3): zero(ppm) water mass ratio 40:60, monomer C in the step (4): the zero(ppm) water mass ratio is 30:70.
Embodiment two:
(1) with composite modifier γ-(methacryloxypropyl) propyl trimethoxy silicane+3-(2; 3-epoxy third oxygen) propyl trimethoxy silicane+γ-An Bingjisanyiyangjiguiwan (mass ratio of two kinds of properties-correcting agent is 1:1) adds in the silicon sol; The properties-correcting agent consumption is 6.0% of a silicon sol total amount; Also reacted 8 hours under the stirring at 45 ℃, obtain modified silicasol.
(2) with zero(ppm) water be solvent; Add monomer A (Bing Xisuandingzhi) successively; Initiator potassium persulfate is (consumption be monomer A quality 0.5%), emulsifier sodium lauryl sulfate (consumption be monomer A quality 4.0%), 70 ℃ and continue to stir under; Reacted preparation seed latex 0.5 hour;
(3) with monomers B (forming by mass ratio 4:1), linking agent N, N by Bing Xisuandingzhi, vinylbenzene
,-methylene-bisacrylamide (consumption be monomers B quality 0.08%); Initiator potassium persulfate (consumption is 0.22 % of monomers B quality); Emulsifier sodium lauryl sulfate (consumption be monomers B quality 0.6%) adds successively to stir in the zero(ppm) water and obtains pre-emulsion I; Pre-emulsion I is added drop-wise in the seed latex of step (2), also continues to react 1 hour under the stirring, obtain examining emulsion at 75 ℃;
(4) with monomer C (forming by mass ratio 2:1), linking agent N, N by TEB 3K, vinylbenzene
,-methylene-bisacrylamide (consumption is 0.4 % of monomer C quality); Initiator potassium persulfate (consumption be monomer C quality 0.1%); Compound emulsifying agent (is made up of by mass ratio 70:30 sodium lauryl sulphate, reactive emulsifier alkyl phenol ether ammonium sulfate; The compound emulsifying agent consumption be monomer C quality 2.0%) modified silicasol that obtains with step (1) joins successively to stir in the zero(ppm) water and obtains pre-emulsion II; Pre-emulsion II is added drop-wise in the nuclear emulsion of step (3), reacted 2 hours down and under continuing to stir, make nucleocapsid structure polyacrylic ester (ACR)/silicon sol composite emulsion at 85 ℃;
(5) above-mentioned ACR/ silicon sol composite emulsion obtains ACR/ silicon sol composite particles through breakdown of emulsion, drying.
Above-mentioned monomer A: monomers B: monomer C mass ratio is 10:70:20; Modified silicasol is the sodium type; Solid content 30 ± 1%, consumption are 18.0% of (monomer A+monomers B+monomer C) total mass, and monomer A in the step (2): the zero(ppm) water mass ratio is 20:80; Monomers B in the step (3): zero(ppm) water mass ratio 40:60, monomer C in the step (4): the zero(ppm) water mass ratio is 30:70.
Embodiment three:
(1) with composite modifier γ-(methacryloxypropyl) propyl trimethoxy silicane+3-(2; 3-epoxy third oxygen) propyl trimethoxy silicane+γ-An Bingjisanyiyangjiguiwan (mass ratio of two kinds of properties-correcting agent is 1:1) adds in the silicon sol; The properties-correcting agent consumption is 8.0% of a silicon sol total amount; Also reacted 5 hours under the stirring at 60 ℃, obtain modified silicasol.
(2) with zero(ppm) water be solvent; Add monomer A (Bing Xisuandingzhi) successively; Initiator potassium persulfate is (consumption be monomer A quality 0.7%), emulsifier sodium lauryl sulfate (consumption be monomer A quality 5.0%), 70 ℃ and continue to stir under; Reacted preparation seed latex 0.5 hour;
(3) with monomers B (forming by mass ratio 4:1), linking agent N, N by Bing Xisuandingzhi, vinylbenzene
,-methylene-bisacrylamide (consumption be monomers B quality 0.05%); Initiator potassium persulfate (consumption be monomers B quality 0.12%); Emulsifier sodium lauryl sulfate (consumption be monomers B quality 1.0%) adds successively to stir in the zero(ppm) water and obtains pre-emulsion I; Pre-emulsion I is added drop-wise in the seed latex of step (2), also continues to react 1 hour under the stirring, obtain examining emulsion at 75 ℃;
(4) with monomer C (forming by mass ratio 2:1), linking agent N, N by TEB 3K, vinylbenzene
,-methylene-bisacrylamide (consumption be monomer C quality 0.3%); Initiator potassium persulfate (consumption be monomer C quality 0.10%); Compound emulsifying agent (is made up of by mass ratio 70:30 sodium lauryl sulphate, reactive emulsifier alkyl phenol ether ammonium sulfate; The compound emulsifying agent consumption be monomer C quality 1.0%) modified silicasol that obtains with step (1) joins successively to stir in the zero(ppm) water and obtains pre-emulsion II; Pre-emulsion II is added drop-wise in the nuclear emulsion of step (3), reacted 2 hours down and under continuing to stir, make nucleocapsid structure polyacrylic ester (ACR)/silicon sol composite emulsion at 85 ℃;
(5) above-mentioned ACR/ silicon sol composite emulsion obtains ACR/ silicon sol composite particles through breakdown of emulsion, drying.
Above-mentioned monomer A: monomers B: monomer C mass ratio is 6:65:29; Modified silicasol is the sodium type; Solid content 30 ± 1%, consumption are 13.0% of (monomer A+monomers B+monomer C) total mass, and monomer A in the step (2): the zero(ppm) water mass ratio is 20:80; Monomers B in the step (3): zero(ppm) water mass ratio 40:60, monomer C in the step (4): the zero(ppm) water mass ratio is 30:70.
Comparative example (not adding modified silicasol):
(1) with zero(ppm) water is solvent; Add monomer A (Bing Xisuandingzhi) successively; Initiator potassium persulfate is (consumption be monomer A quality 0.8%), emulsifier sodium lauryl sulfate (consumption be monomer A quality 3.0%), 70 ℃ and continue to stir under; Reacted preparation seed latex 0.5 hour;
(2) with monomers B (forming by mass ratio 4:1), linking agent N, N by Bing Xisuandingzhi, vinylbenzene
,-methylene-bisacrylamide (consumption be monomers B quality 0.05%); Initiator potassium persulfate (consumption be monomers B quality 0.2%); Emulsifier sodium lauryl sulfate (consumption is 0.8 % of monomers B quality) adds successively in the zero(ppm) water to stir and obtains pre-emulsion I; Pre-emulsion I is added drop-wise in the seed latex of step (1), also continues to react 1 hour under the stirring, obtain examining emulsion at 75 ℃;
(3) with monomer C (forming by mass ratio 2:1), linking agent N, N by TEB 3K, vinylbenzene
,-methylene-bisacrylamide (consumption be monomer C quality 0.5%); Initiator potassium persulfate (consumption is 0.1 % of monomer C quality); Compound emulsifying agent (is made up of by mass ratio 70:30 sodium lauryl sulphate, reactive emulsifier alkyl phenol ether ammonium sulfate; The compound emulsifying agent consumption be monomer C quality 1.8%) join successively in the zero(ppm) water to stir and obtain pre-emulsion II; Pre-emulsion II is added drop-wise in the nuclear emulsion of step (2), reacted 2 hours down and under continuing to stir, make nucleocapsid structure polyacrylic ester (ACR) emulsion at 85 ℃;
(4) above-mentioned ACR emulsion obtains the ACR particle through breakdown of emulsion, drying.
Above-mentioned monomer A: monomers B: monomer C mass ratio is 5:55:40, and monomer A in the step (1): the zero(ppm) water mass ratio is 20:80, monomers B in the step (2): zero(ppm) water mass ratio 40:60, monomer C in the step (3): the zero(ppm) water mass ratio is 30:70.
Implementation result of the present invention and application performance effect
The foregoing description and comparative example product are used for complex compounding (prescription the is seen table 1) sample preparation of PVC, carry out following PT respectively:
Shock resistance test: be cut into the test with notched test piece batten by the GB/T1843-2008 standard with omnipotent sampling machine, adopt radial-boom impact tester to carry out impact test (probe temperature: 23 ℃).
Erichsen test: undertaken by the GB/T1040-2006 standard-required, draw speed is 20mm/min (probe temperature: 23 ℃).
Vicat softening point test: make an experiment by the GB1633-79 standard-required.
Test result is as shown in table 2.
Table 1 the present invention practices the effect test prescription
| Component | PVC | Calcium zinc heat stabilizer | CaCO 3 | Product of the present invention | CPE |
| Umber | 100 | 4.5 | 10.0 | 2.5 | 8.0 |
Table 2 the present invention practices effect
| Project | Embodiment one | Embodiment two | Embodiment three | Comparative example |
| Median size (nm) | 135 | 126 | 140 | 120 |
| Shock strength (KJ/m 2） | 65.9 | 66.2 | 63.1 | 64.8 |
| 23 ℃ of tensile strengths (MPa) | 49.5 | 48.7 | 50.3 | 41.1 |
| Vicat softening point (℃) | 90.3 | 88.8 | 89.0 | 82.1 |
Claims (8)
1. the preparation method of a Polyacrylate matrix material is characterized in that comprising the steps:
(1) adopts γ-(methacryloxypropyl) propyl trimethoxy silicane, 3-(2,3-epoxy third oxygen) propyl trimethoxy silicane; Two kinds in the γ-An Bingjisanyiyangjiguiwan as properties-correcting agent; At 40 ~ 60 ℃ silicon sol is carried out surface-treated, in 5 ~ 8 hours reaction times, obtain modified silicasol; The properties-correcting agent consumption is 1.0%～12.0% of a silicon sol total amount, and wherein the mass ratio of two kinds of properties-correcting agent is 1:1;
(2) with zero(ppm) water be solvent, Bing Xisuandingzhi is as monomer A, and Potassium Persulphate is an initiator; Consumption is 0.1～0.8% of a monomer A quality; Sodium lauryl sulphate is as emulsifying agent, and consumption is 0.5～5.0% of a monomer A quality, also continues under the stirring at 70 ℃; Reacted preparation seed latex 0.5 hour;
(3) be monomers B with Bing Xisuandingzhi and vinylbenzene, wherein Bing Xisuandingzhi and cinnamic mass ratio are 4:1, N, N
,-methylene-bisacrylamide is as linking agent, and consumption is 0.02～0.1% of a monomers B quality, and Potassium Persulphate is as initiator; Consumption is 0.05～0.3% of a monomers B quality, and sodium lauryl sulphate is as emulsifying agent, and consumption is 0.1～1.0% of a monomers B quality; Said components added in the zero(ppm) water to stir obtain pre-emulsion I; Pre-emulsion I is added drop-wise in the seed latex of step (2), also continues to react 1 hour under the stirring, obtain examining emulsion at 75 ℃;
(4) be monomer C with TEB 3K and vinylbenzene, TEB 3K and cinnamic mass ratio are 2:1, N, N
,-methylene-bisacrylamide is as linking agent, and consumption is 0.1～0.5% of a monomer C quality, and Potassium Persulphate is as initiator, and consumption is 0.05～0.3% of a monomer C quality; Adopting sodium lauryl sulphate and reactive emulsifier alkyl phenol ether ammonium sulfate is compound emulsifying agent; The mass ratio of sodium lauryl sulphate and reactive emulsifier alkyl phenol ether ammonium sulfate is 70:30; The compound emulsifying agent consumption is 0.1～2.0% of a monomer C quality; Said components and modified silicasol joined to stir in the zero(ppm) water obtain pre-emulsion II; Pre-emulsion II is added drop-wise in the nuclear emulsion of step (3), reacted 2 hours down and under continuing to stir, make nucleocapsid structure Polyacrylate composite emulsion at 85 ℃;
(5) nucleocapsid structure Polyacrylate composite emulsion obtains nucleocapsid structure Polyacrylate matrix material through breakdown of emulsion, drying.
2. preparation method according to claim 1 is characterized in that: monomer A in the above-mentioned steps (1) (2) (3) (4): monomers B: monomer C mass ratio is 5 ~ 10:50 ~ 70:20 ~ 40, with SiO
2Meter modified silicasol consumption is 5.0～20.0% of monomer A+monomers B+monomer C total mass.
3. preparation method according to claim 1 is characterized in that: used silicon sol is the sodium type in the above-mentioned steps (1), solid content 30 ± 1%.
4. preparation method according to claim 1 is characterized in that: monomer A in the above-mentioned steps (2): the zero(ppm) water mass ratio is 20:80.
5. preparation method according to claim 1 is characterized in that: monomers B in the above-mentioned steps (3): zero(ppm) water mass ratio 40:60.
6. preparation method according to claim 1 is characterized in that: monomer C in the above-mentioned steps (4): the zero(ppm) water mass ratio is 30:70.
7. preparation method according to claim 1 is characterized in that: the particle diameter of nucleocapsid structure Polyacrylate matrix material is at 100 ~ 150nm in the above-mentioned steps (5).
8. the Polyacrylate matrix material of preparing method's preparation as claimed in claim 1 is applied to the processing of SE as impact modifier.
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| CN103665242B (en) * | 2013-10-15 | 2016-04-06 | 广西大学 | A kind of Silica sol/acrylate nano core-shell compound emulsion and preparation method thereof |
| CN104592462B (en) * | 2014-12-26 | 2018-02-16 | 上海维凯光电新材料有限公司 | A kind of silica sol modified acrylic emulsion and its preparation, application |
| CN105585272A (en) * | 2015-10-22 | 2016-05-18 | 湖州绿色建材开发有限公司 | Novel concrete reinforcing agent |
| CN106957383A (en) * | 2017-04-20 | 2017-07-18 | 上海东升新材料有限公司 | A kind of GSZ styrene-acrylic latex and preparation method thereof |
| CN106939062B (en) * | 2017-04-27 | 2019-12-10 | 广东工业大学 | polyacrylate emulsion adhesive and preparation method thereof |
| CN108164710B (en) * | 2018-02-01 | 2020-11-13 | 广东工业大学 | SiO (silicon dioxide)2Preparation method of/polysiloxane acrylate composite material |
| WO2020229406A1 (en) | 2019-05-14 | 2020-11-19 | Nouryon Chemicals International B.V. | Composition comprising polyninyl chloride (pvc) and organosilane-modified colloidal silica and associated method of preparation |
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