CN110511384A - A kind of polyacrylate/polysilsesquioxane core-shell emulsion and preparation method thereof - Google Patents
A kind of polyacrylate/polysilsesquioxane core-shell emulsion and preparation method thereof Download PDFInfo
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- CN110511384A CN110511384A CN201810486192.XA CN201810486192A CN110511384A CN 110511384 A CN110511384 A CN 110511384A CN 201810486192 A CN201810486192 A CN 201810486192A CN 110511384 A CN110511384 A CN 110511384A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/442—Block-or graft-polymers containing polysiloxane sequences containing vinyl polymer sequences
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/10—Block- or graft-copolymers containing polysiloxane sequences
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
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Abstract
The invention discloses a kind of polyacrylate/polysilsesquioxane core-shell emulsions and preparation method thereof, this method is using the polyacrylate of low Tg as kernel, cooperate vinyl silicane coupling agent, thereon by polysilsesquioxane cladding, the hydridization core-shell particles of " hard outside soft inside " are formed, particle size is near 100~200nm.The present invention is grouped as by kernel with two groups of shell, and kernel component is using esters of acrylic acid as principal monomer, and silane coupling agent accounts for the 0~10% of monomer mass, and solid content is designed as 10~20%;For shell component using silsesquioxane as principal monomer, two component total solid content of nucleocapsid is designed as 15~35%.Due to the characteristics of containing silicon hybridization, and has the characteristics of " hard outside soft inside ", therefore polyacrylate/polysilsesquioxane core-shell emulsion has very big application value on hydrophobically modified and plasticized modifier.
Description
Technical field
The present invention relates to silicon the-the third hydridization core-shell material synthesis technical fields, in particular to a kind of lower with glass transition temperature
Polyacrylate be core, using the polysilsesquioxane compared with high glass transition temperature as the preparation method of the core-shell emulsion of shell.
Background technique
Polymer/polysiloxane-based composite material is a unique branch in emerging composite material.It is this emerging compound
There is material many outstanding properties, the production and living fields such as outstanding water-fast, heat-resisting, weather-proof and biocompatibility still to exist
Field of scientific study all causes the emphasis of researcher.The main chain bond energy of poly organo siloxane molecule has with general
Machine molecular backbone is compared and is had great advantages.The high bond energy feature of-Si-O-Si- key make organosiloxane quasi polymer with
It common are machine polymer phase ratio thermal stability with higher and weatherability.At the same time, organosiloxane quasi polymer has
Have lower surface can and glass transition temperature (Tg), this feature impart its outstanding water-fast stain resistance and flexible
Property.
Polysiloxane material has many excellent performances, for example, hydrophobicity, heat-resistant stability, solvent resistance and
Certain biocompatibility etc..Since it is environmentally friendly, nontoxic and raw material is less expensive, a variety of practical function of polysiloxane
It can be developed step by step by people.The characteristics of using polysilsesquioxane (PSQ) as organic and inorganic double properties, preparation
Polymer/PSQ core-shell structure hybrid particle can provide new for super hydrophobic surface coatings or medical medicine industry
Channel.
Summary of the invention
A kind of purpose of the present invention, it is desirable to provide the polyacrylate/poly- silsesquioxane of partial size near 100~200nm
Alkane core-shell emulsion and preparation method thereof.The core-shell emulsion prepared under this methodology can not only play organosilicon polymer height and dredge
Aqueous feature, and the characteristics of " outer hard interior soft ", can provide preferable elasticity, play toughening effect to PVC plastic.
The technical scheme is that a kind of polyacrylate/polysilsesquioxane core-shell emulsion and preparation method thereof,
Operating process are as follows:
(1) using the lower acrylate of glass transition temperature as principal monomer, cooperate vinyl silicane coupling agent, in lotion
Ring-opening polymerization is carried out under polymerizing condition prepares polyacrylate kernel lotion.
(2) the semi-continuous emulsion polymerisation process of seed is used, water, emulsifier are added into kernel lotion, and in certain pH
Under the conditions of with constant flow pump be added dropwise silesquioxane monomer, make it increase to form polysilsesquioxane shell in core surface, formed
Polyacrylate/polysilsesquioxane core-shell emulsion.
(3) polyacrylate/polysilsesquioxane core-shell emulsion is dried by spray dryer and is gathered
Acrylate/polysilsesquioxane core-shell nano microballoon.
Specific step is as follows:
(1) by emulsifier, water and 10% acrylic ester monomer be added reaction flask in, open stirring and temperature regulating device,
Temperature controls between 60~90 DEG C.Until when being presented light blue in reaction flask, remaining 90% esters of acrylic acid list is added dropwise
Duration is added dropwise between 1~10h in the mixture of body and vinyl silicane coupling agent.After completion of dropwise addition, 1~10h is kept the temperature, is terminated
Reaction, obtains polyacrylate stratum nucleare lotion.
Above-mentioned acrylic ester monomer is that ethyl acrylate, n-butyl acrylate, n-octyl, acrylic acid are just pungent
One or more of ester, Isooctyl acrylate monomer, hydroxy-ethyl acrylate and hydroxypropyl acrylate.Above-mentioned vinyl silanes coupling
Agent be γ-methacryloxypropyl trimethoxy silane, γ-methacryloxypropylmethyl dimethoxysilane,
One or more of vinyltrimethoxysilane and vinyltriethoxysilane.Above-mentioned emulsifier is dodecyl two
Phenylate sodium disulfonate, ethylene oxide and propylene oxide copolymers, allylpolyethoxy sulfonate, alkyl phenol polyoxyethylene ether-
30, alkyl phenol polyoxyethylene ether -10, cetyl trimethylammonium bromide, alkyl polyoxyethylene ether, alkyl phenol polyvinylether sulfuric acid
One or more of sodium, nonylphenol polyoxyethylene ether ammonium sulfate and sodium lauryl sulfate.Above-mentioned initiator is persulfuric acid
One or more of sodium, potassium peroxydisulfate and ammonium persulfate.
(2) emulsifier is added in reaction flask using polyacrylate kernel lotion as seed, opens stirring and temperature control
Device, temperature control between 10~50 DEG C.Silsesquioxane is added dropwise into seed emulsion between 2~12 by regulation system pH
Monomer, when dropwise addition a length of 1~10h.After completion of dropwise addition, heat preservation 6~for 24 hours, obtain polyacrylate/polysilsesquioxane nucleocapsid cream
Liquid.
Above-mentioned emulsifier is disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, ethylene oxide and propylene oxide copolymers, allyl
Polyethoxy sulfonate, alkyl phenol polyoxyethylene ether -30, alkyl phenol polyoxyethylene ether -10, cetyl trimethylammonium bromide and
One or more of lauryl sodium sulfate.Above-mentioned silesquioxane monomer is γ-methacryloxypropyl front three
Oxysilane, methyltrimethoxysilane, gamma-aminopropyl-triethoxy-silane, phenyltrimethoxysila,e and ethyl orthosilicate
One or more of.
(3) polyacrylate/polysilsesquioxane core-shell emulsion is spray-dried with spray dryer, obtains poly- third
Olefin(e) acid ester/polysilsesquioxane core-shell particles powder.
The advantages and beneficial effects of the present invention are:
Shell of the present invention carries out polymerization reaction with the monomer containing element silicon, and product is applied in modified paint, can incite somebody to action
The contact angle of coating is promoted to 110 °.Polyacrylate/polysilsesquioxane core-shell nano microballoon is the elasticity of " outer hard interior soft "
It is added in nylon as modified additive, can significantly improve the impact property of nylon, play the work of toughening by bead
With.
Detailed description of the invention
Fig. 1 is to prepare polyacrylate/polysilsesquioxane core-shell emulsion flow chart.
Fig. 2 is polyacrylate/polysilsesquioxane core-shell emulsion transmission electron microscope picture.
Fig. 3 is polyacrylate/polysilsesquioxane core-shell nano microballoon scanning electron microscope (SEM) photograph.
Specific embodiment
Embodiment 1:
(1) preparation of polyacrylic acid N-butyl kernel lotion:
By 36g n-butyl acrylate, 3.6g alkyl polyoxyethylene ether, 7.2g nonylphenol polyoxyethylene ether ammonium sulfate and 900g
Water is added in reaction flask, opens stirring and temperature regulating device, and stirring rate is controlled in 300r/min, temperature at 80 DEG C.Until anti-
It answers when being presented light blue in bottle, 324g n-butyl acrylate and 18g γ-methacryloxypropyl trimethoxy is added dropwise respectively
Duration is added dropwise in 2h in the aqueous solution of the mixture of silane and the 1.8g ammonium persulfate being dissolved in 46g deionized water.Knot is added dropwise
Shu Hou keeps the temperature 3h, finally terminates reaction, obtains polyacrylic acid n-butyl acrylate kernel lotion.
(2) polyacrylate/polysilsesquioxane core-shell emulsion preparation:
Using 85g polyacrylic acid n-butyl acrylate lotion as seed in reaction flask, 0.3g dodecyl sulphur is added
Sour sodium, 0.3g disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate and 250g deionized water.It opens stirring and temperature regulating device, stirring rate exists
300r/min, temperature are controlled at 25 DEG C.With hydrochloric acid regulation system pH=6,27g methyl trimethoxy oxygroup silicon is added dropwise into seed emulsion
Alkane and 3g γ-methacryloxypropyl trimethoxy silane mixture, when dropwise addition a length of 2h.After completion of dropwise addition, heat preservation
16h obtains polyacrylate/polysilsesquioxane core-shell emulsion.
Embodiment 2:
Present embodiment adjusts system section pH=4 during preparing polyacrylate/polysilsesquioxane core-shell emulsion,
Other are same as Example 1.
Embodiment 3:
Present embodiment adjusts system section pH=2 during preparing polyacrylate/polysilsesquioxane core-shell emulsion,
Other are same as Example 1.
Table 1 is polyacrylate/polysilsesquioxane core-shell emulsion partial size test result of embodiment 1-3
Sample number | pH | Partial size/nm | PDI |
Embodiment 1 | 6 | 138 | 0.066 |
Embodiment 2 | 4 | 132 | 0.072 |
Embodiment 3 | 2 | 135 | 0.069 |
PH value can prepare partial size near 135nm, PDI exists in the range of from 2~6 as can be seen from Table 1
Polyacrylate/polysilsesquioxane core-shell emulsion near 0.7.
Embodiment 4:
Present embodiment is during preparing polyacrylate/polysilsesquioxane core-shell emulsion, by silane coupling agent γ-
Methacryloxypropyl trimethoxy silane replaces with γ-methacryloxypropylmethyl dimethoxysilane,
He is same as Example 1.
Embodiment 5:
Present embodiment is during preparing polyacrylate/polysilsesquioxane core-shell emulsion, by silane coupling agent γ-
Methacryloxypropyl trimethoxy silane replaces with vinyltrimethoxysilane, other are same as Example 1.
Embodiment 6:
Present embodiment is during preparing polyacrylate/polysilsesquioxane core-shell emulsion, by silane coupling agent γ-
Methacryloxypropyl trimethoxy silane replaces with vinyltriethoxysilane, other are same as Example 1.
Table 2 is embodiment 1 and polyacrylate/polysilsesquioxane core-shell emulsion partial size test knot of embodiment 4-6
Fruit
The selection for changing vinyl silicane coupling agent as can be seen from Table 2, can prepare partial size near 140nm,
Polyacrylate of the PDI less than 0.1/polysilsesquioxane core-shell emulsion.
Embodiment 7:
Present embodiment is during preparing polyacrylate/polysilsesquioxane core-shell emulsion, by n-butyl acrylate
Isooctyl acrylate monomer is replaced with, other are same as Example 1.
Embodiment 8:
Present embodiment is during preparing polyacrylate/polysilsesquioxane core-shell emulsion, by n-butyl acrylate
N-octyl is replaced with, other are same as Example 1.
Embodiment 9:
Present embodiment is during preparing polyacrylate/polysilsesquioxane core-shell emulsion, by n-butyl acrylate
Hydroxy-ethyl acrylate is replaced with, other are same as Example 1.
Table 3 is embodiment 1 and polyacrylate/polysilsesquioxane core-shell emulsion partial size test knot of embodiment 7-9
Fruit
Sample number | Acrylic ester monomer | Partial size/nm | PDI |
Embodiment 1 | N-butyl acrylate | 138 | 0.066 |
Embodiment 7 | Isooctyl acrylate monomer | 129 | 0.087 |
Embodiment 8 | N-octyl | 133 | 0.074 |
Embodiment 9 | Hydroxy-ethyl acrylate | 135 | 0.058 |
The selection for changing acrylic monomers as can be seen from Table 3, can prepare partial size near 135nm,
Polyacrylate of the PDI less than 0.1/polysilsesquioxane core-shell emulsion.
Embodiment 10:
Present embodiment is during preparing polyacrylate/polysilsesquioxane core-shell emulsion, by n-butyl acrylate
Hydroxypropyl acrylate is replaced with, other are same as Example 1.
Embodiment 11:
Present embodiment is during preparing polyacrylate/polysilsesquioxane core-shell emulsion, by n-butyl acrylate
Ethyl acrylate is replaced with, other are same as Example 1.
Embodiment 12:
Present embodiment is gone when preparing shell during preparing polyacrylate/polysilsesquioxane core-shell emulsion
Ion water consumption is changed to 70g, and the dosage of methyltrimethoxysilane is changed to 9g, γ-methacryloxypropyl when prepared by shell
The dosage of base propyl trimethoxy silicane is changed to 1g, other are same as Example 1 for mixture.
Embodiment 13:
Present embodiment is gone when preparing shell during preparing polyacrylate/polysilsesquioxane core-shell emulsion
Ion water consumption is changed to 870g, and the dosage of methyltrimethoxysilane is changed to 81g, γ-methacryl when prepared by shell
The dosage of oxygroup propyl trimethoxy silicane is changed to 9g, other are same as Example 1 for mixture.
Embodiment 14:
Present embodiment is gone when preparing stratum nucleare during preparing polyacrylate/polysilsesquioxane core-shell emulsion
Ion water consumption is changed to 3240g, other are same as Example 1.
Embodiment 10:
Present embodiment is gone when preparing stratum nucleare during preparing polyacrylate/polysilsesquioxane core-shell emulsion
Ion water consumption is changed to 490g, other are same as Example 1.
Embodiment 15:
Present embodiment is gone when preparing stratum nucleare during preparing polyacrylate/polysilsesquioxane core-shell emulsion
Ion water consumption is changed to 180g, other are same as Example 1.
Embodiment 16:
Present embodiment is during preparing polyacrylate/polysilsesquioxane core-shell emulsion, temperature when prepared by stratum nucleare
At 60 DEG C, other are same as Example 1 for control.
Embodiment 17:
Present embodiment is during preparing polyacrylate/polysilsesquioxane core-shell emulsion, temperature when prepared by stratum nucleare
At 70 DEG C, other are same as Example 1 for control.
Embodiment 18:
Present embodiment is during preparing polyacrylate/polysilsesquioxane core-shell emulsion, temperature when prepared by stratum nucleare
At 90 DEG C, other are same as Example 1 for control.
Embodiment 19:
During preparing polyacrylate/polysilsesquioxane core-shell emulsion, stratum nucleare is kept the temperature present embodiment when preparing
1h, other are same as Example 1.
Embodiment 20:
During preparing polyacrylate/polysilsesquioxane core-shell emulsion, stratum nucleare is kept the temperature present embodiment when preparing
10h, other are same as Example 1.
Embodiment 21:
During preparing polyacrylate/polysilsesquioxane core-shell emulsion, shell is kept the temperature present embodiment when preparing
6h, other are same as Example 1.
Embodiment 22:
During preparing polyacrylate/polysilsesquioxane core-shell emulsion, shell is kept the temperature present embodiment when preparing
For 24 hours, other are same as Example 1.
Embodiment 23:
Present embodiment is during preparing polyacrylate/polysilsesquioxane core-shell emulsion, temperature when prepared by shell
At 10 DEG C, other are same as Example 1 for control.
Embodiment 24:
Present embodiment is during preparing polyacrylate/polysilsesquioxane core-shell emulsion, temperature when prepared by shell
At 50 DEG C, other are same as Example 1 for control.
Embodiment 25:
During preparing polyacrylate/polysilsesquioxane core-shell emulsion, shell is kept the temperature present embodiment when preparing
6h, other are same as Example 1.
Embodiment 26:
During preparing polyacrylate/polysilsesquioxane core-shell emulsion, shell is kept the temperature present embodiment when preparing
He is same as Example 1 for 24 hours.
Embodiment 27:
The preparation of polyacrylate/polysilsesquioxane core-shell particles powder:
Polyacrylate/polysilsesquioxane core-shell emulsion is taken, the QP3 type developed with Sinopec Beijing Chemical Research Institute
Spray dryer is spray-dried, and 230 DEG C of drying machine inlet temperature, 70 DEG C of outlet temperature.Obtained polyacrylate/poly- times
The stereoscan photograph of half siloxanes core-shell particles powder is as shown in Figure 3.
Table 4 is test result of the embodiment 10 to modified nylon 6
As can be seen from the table, embodiment 10 can make impact property promote about 32% with 5% additional amount.It can be seen that
Polyacrylate/polysilsesquioxane core-shell particles powder is used for nylon 6, toughening modifying effect can be effectively acted as.
Place, those skilled in the art can not select from the prior art to the greatest extent in the embodiment of the present invention.
Disclosed above is only a specific embodiment of the invention, but scope of protection of the present invention is not limited thereto, is appointed
What those familiar with the art in the technical scope disclosed by the present invention, can easily think of the change or the replacement, answer
It is included within the scope of the present invention.Therefore, protection scope of the present invention should be with above-mentioned scope of protection of the claims
It is quasi-.
Claims (10)
1. a kind of polyacrylate/polysilsesquioxane core-shell emulsion, it is characterized in that: by 70-90wt% water and 10-30wt% cream
Glue ion composition, latex ion includes shell and stratum nucleare, in which:
The stratum nucleare is grouped as by following group in parts by weight:
5-15 parts of acrylic ester monomer;
0 part -2 parts of vinyl silicane coupling agent;
0.1 part -0.6 part of stratum nucleare emulsifier;
0.06 part -0.2 part of stratum nucleare initiator;
The shell is grouped as by following group in parts by weight:
5-15 parts of silesquioxane monomer;
0 part -2 parts of vinyl silicane coupling agent;
0.05 part -0.3 part of shell emulsifier;
0.02 part -0.2 part of shell initiator.
2. a kind of polyacrylate/polysilsesquioxane core-shell emulsion according to claim 1, it is characterized in that: acrylic acid
Esters monomer is ethyl acrylate, n-butyl acrylate, n-octyl, Isooctyl acrylate monomer, hydroxy-ethyl acrylate and third
One or more of olefin(e) acid hydroxypropyl acrylate.
3. a kind of polyacrylate/polysilsesquioxane core-shell emulsion according to claim 1, it is characterized in that: sesquialter silicon
Oxygen alkane monomer is γ-methacryloxypropyl trimethoxy silane, methyltrimethoxysilane, three ethoxy of γ-aminopropyl
One or more of base silane, phenyltrimethoxysila,e and ethyl orthosilicate.
4. a kind of polyacrylate/polysilsesquioxane core-shell emulsion according to claim 1, it is characterized in that: vinyl
Silane coupling agent is γ-methacryloxypropyl trimethoxy silane, γ-methacryloyloxypropyl methyl dimethoxy
One or more of base silane, vinyltrimethoxysilane and vinyltriethoxysilane.
5. a kind of polyacrylate/polysilsesquioxane core-shell emulsion according to claim 1, it is characterized in that: stratum nucleare is newborn
Agent is disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, ethylene oxide and propylene oxide copolymers, allylpolyethoxy sulfonate, alkane
Base phenol polyethenoxy ether -30, alkyl phenol polyoxyethylene ether -10, cetyl trimethylammonium bromide, alkyl polyoxyethylene ether, alkane
One or more of base phenol polyvinylether sodium sulphate, nonylphenol polyoxyethylene ether ammonium sulfate and sodium lauryl sulfate.
6. a kind of polyacrylate/polysilsesquioxane core-shell emulsion according to claim 1, it is characterized in that: stratum nucleare draws
Hair agent is one or more of sodium peroxydisulfate, potassium peroxydisulfate and ammonium persulfate.
7. a kind of polyacrylate/polysilsesquioxane core-shell emulsion according to claim 1, it is characterized in that: shell is newborn
Agent is disodium 4-dodecyl-2,4 '-oxydibenzenesulfonate, ethylene oxide and propylene oxide copolymers, allylpolyethoxy sulfonate, alkane
In base phenol polyethenoxy ether -30, alkyl phenol polyoxyethylene ether -10, cetyl trimethylammonium bromide and sodium lauryl sulfate
One or more.
8. a kind of polyacrylate/polysilsesquioxane core-shell emulsion according to claim 1, it is characterized in that: shell draws
Hair agent is one or more of hydrochloric acid, sulfuric acid, glacial acetic acid and dodecyl benzene sulfonic acid.
9. a kind of polyacrylate/polysilsesquioxane core-shell emulsion according to claim 1, it is characterized in that: its nucleocapsid
The mass ratio of polymer is 1~9:3.
10. a kind of any polyacrylate/polysilsesquioxane core-shell emulsion preparation method of claim 1-9,
It is characterized in: polyacrylate/polysilsesquioxane core-shell emulsion is prepared for using two step seed emulsion polymerization of stratum nucleare-shell,
Specifically comprise the following steps:
(a) prepare stratum nucleare: by emulsifier, water and 10% acrylic ester monomer be added reaction flask in, open stirring and temperature control
Device, temperature control between 60~90 DEG C, until remaining 90% acrylate is added dropwise when being presented light blue in reaction flask
Duration is added dropwise between 1~10h in the mixture of class monomer and vinyl silicane coupling agent;After completion of dropwise addition, 1~10h is kept the temperature,
Reaction is terminated, polyacrylate stratum nucleare lotion is obtained;
(b) shell is prepared, it is characterized in that: emulsifier is added in reaction flask using polyacrylate kernel lotion as seed,
Stirring and temperature regulating device are opened, temperature controls between 10~50 DEG C, and regulation system pH is between 2~12, into seed emulsion
Be added dropwise silesquioxane monomer, when dropwise addition a length of 1~10h, after completion of dropwise addition, heat preservation 6~for 24 hours obtains polyacrylate/poly- times
Half siloxanes core-shell emulsion;It is spray-dried, obtain polyacrylate/polysilsesquioxane core-shell particles powder.
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CN111334155A (en) * | 2020-04-20 | 2020-06-26 | 陕西科技大学 | Hydrophobic polyacrylate finishing agent containing POSS and preparation method thereof |
CN116219637A (en) * | 2023-02-08 | 2023-06-06 | 国科广化精细化工孵化器(南雄)有限公司 | Radiation refrigeration film containing polymer microspheres and preparation and application thereof |
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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 |
CN103626933A (en) * | 2013-10-14 | 2014-03-12 | 杭州师范大学 | Polysilsesquioxane-polyacrylate-nano SiO2 composite emulsion and preparation method and application thereof |
US20210324116A1 (en) * | 2020-04-21 | 2021-10-21 | Shaanxi University Of Science And Technology | Poss modified polyacrylate fluoride-free waterproof agent and preparation method thereof |
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CN1827668A (en) * | 2005-03-04 | 2006-09-06 | 华东理工大学 | Process for preparing core-shell type polysiloxane composite particles |
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 |
CN103626933A (en) * | 2013-10-14 | 2014-03-12 | 杭州师范大学 | Polysilsesquioxane-polyacrylate-nano SiO2 composite emulsion and preparation method and application thereof |
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CN111334155A (en) * | 2020-04-20 | 2020-06-26 | 陕西科技大学 | Hydrophobic polyacrylate finishing agent containing POSS and preparation method thereof |
CN116219637A (en) * | 2023-02-08 | 2023-06-06 | 国科广化精细化工孵化器(南雄)有限公司 | Radiation refrigeration film containing polymer microspheres and preparation and application thereof |
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