CN104628948A - Acrylate-type poly-chain transfer agent as well as preparation method and application of poly-chain transfer agent in preparation of columnar polymer brush - Google Patents
Acrylate-type poly-chain transfer agent as well as preparation method and application of poly-chain transfer agent in preparation of columnar polymer brush Download PDFInfo
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Abstract
The invention discloses an acrylate-type poly-chain transfer agent as well as a preparation method and an application of the poly-chain transfer agent in the preparation of a columnar polymer brush. The acrylate-type poly-chain transfer agent is prepared by synthesizing a main chain containing bromine (or chlorine) functional groups by virtue of RAFT and then introducing disulfide ester functional fragments by virtue of a one-step method. The columnar polymer brush is synthesized from the obtained acrylate-type poly-chain transfer agent by adopting a synthesis strategy of 'grafting from main chain' through the RAFT method, homopolymer and block copolymer containing multifunctional branched monomers can be obtained, namely, a brush-shaped homopolymer and a copolymer are obtained. The main chain of the polymer molecular brush is a (meth) acrylate polymer and the side chain of the polymer molecular brush is polystyrene, poly(meth)acrylate and poly(meth)acrylamide or a copolymer thereof. By the preparation method, the tedious steps used in the synthesis of a complex chain transfer reagent are avoided, the pollution caused by the tedious steps is decreased, the synthesized columnar polymer brush has a controllable structure and the preparation method provides a more simple and efficient method to synthesize the functional columnar polymer brush.
Description
Technical field
The invention belongs to synthesis of polymer material and preparing technical field, be specifically related to a kind of acrylate type and gather chain-transfer agent, its preparation method and the application in preparative column shaped polymer brush.
Background technology
Process for preparing column type polymer molecular brush (Cylindrical Polymer Brush), the one end referring to as the polymer molecular chain of side chain is chemically bound in the macromolecular graft copolymer such as linear, dendroid as main chain to high-density.Due to the existence of the long side chain of high-density, molecular brush presents the unique molecular form, bulk properties and the solution behavior that differ from linear molecule, thus makes polymer brush at nanometer polymer material (Macromolecules 2012,45,2619 – 2631; Macromolecules 2003,36,7894 – 7898), drug release (J.Am.Chem.Soc.2010,133,559 – 566), there is potential application prospect in the field such as supramolecular chemistry (Macromolecules 1997,30,2002 – 2007).
The synthetic method of current process for preparing column type polymer brush mainly contains: (1) " grafting through " (polymeric monomer polymerization), is polymerized, obtains process for preparing column type polymer by the macromonomer polymkeric substance of band double bond as monomer; (2) " grafting onto " (being grafted to main chain method), by being connected to by the active end group of polymkeric substance on the active lateral group of another kind of polymkeric substance, to prepare corresponding polymer molecule brush; (3) " grafting from " (from main chain Graft Method), has the main polymer chain trigger monomer at initiating activity center to carry out polymerization and forms side chain, obtain polymer brush (Polymer 2003,44,1449 – 1458).After Controlled/Living Radical Polymerization (Controlled/ " living " radical polymerization, CRP) technology makes a breakthrough, synthetic method and the kind of molecular brush obtain large development.The synthetic technology adopted has atom transfer radical polymerization (ATRP), nitroxide-mediated stable free-radical polymerization (NMRP) and reversible addition-fragmentation chain transfer free radical polymerization (RAFT) etc.In these methods, it is many that RAFT polymerization monomer whose is suitable for kind, and synthesis condition is gentle, and efficiency of initiation is high, and polymer architecture is easy to control, and becomes study hotspot (Progress in Polymer Science 2012,37,38 – 105 in recent years gradually; Eur.Polym.J.2005,41,2264 – 2277).
RAFT preparative column shaped polymer brush is utilized mostly to adopt first synthesis to have the main polymer chain of active lateral group at present, the rear method by chemical reaction bonding chain tra nsfer function fragment.Thioesters fragment (Macromolecules 2004,37,2371 – 2382 is introduced by methods such as esterification, click-reaction, substitution reactions; Polym.Chem., 2013,4,2025 – 2032; Journal of Polymer Science:Part A:Polymer Chemistry 2006,44,4372 – 4383), but its small molecules thioester compound complex structure used, building-up process is loaded down with trivial details, and cost is higher, thus limits its application in process for preparing column type polymer brush field.
Summary of the invention
The invention provides a kind of acrylate type and gather chain-transfer agent, its preparation method and the application in preparative column shaped polymer brush, the process that this preparation method introduces containing thioesters chain tra nsfer function fragment is reliably easy, and the acrylate type obtained gathers chain-transfer agent and may be used for synthesis containing multi-functional homopolymerization, block polymer brush.
Acrylate type gathers a preparation method for chain-transfer agent, comprises the steps:
(1) under the effect of micromolecule chain transfer agent, Halogen acrylate-type monomer polymerization reaction take place, obtains Halogen acrylate based polymer;
The structure of described Halogen acrylate-type monomer is as shown in formula I:
In formula I, R
1for H or methyl; X is Br or Cl; The integer of n=1 ~ 10;
(2) under halo initiator, cuprous halide, many nitrogen ligands and reductive agent existent condition, step (1) obtains Halogen acrylate based polymer and small molecules thioesters reagent carries out substitution reaction, obtains described acrylate type and gathers chain-transfer agent;
The structure of described small molecules thioesters reagent is as shown in formula II:
In formula II, R is alkyl or aryl; Described alkyl is preferably C
1~ C
5alkyl, described aryl is preferably phenyl.
This preparation method uses the easy introducing of free radical reaction one step containing thioesters chain tra nsfer function fragment, avoids intermediate separating-purifying required in many more manipulations, decreases the pollution that solvent brings, reduce production cost.The acrylate type obtained gathers the polymer brush of chain-transfer agent RAFT method synthesis side chain containing multi-functional homopolymerization, segmented copolymer, process simple and effective, can successfully the methods such as ATRP can not the function monomer of controllable polymerization be incorporated in polymer brush simultaneously.
As preferably, described Halogen acrylate-type monomer comprises brominated (or chlorine) acrylate, brominated (or chlorine) methacrylic ester.
As preferably, described micromolecule chain transfer agent is selected from the one in the compound shown in following formula:
As preferably, the polyreaction of step (1) is carried out under the existence of initiator;
The mol ratio of Halogen acrylate-type monomer, initiator and micromolecule chain transfer agent is 50 ~ 800:0.3:1.Wherein, initiator is Diisopropyl azodicarboxylate or 2,2'-Azobis(2,4-dimethylvaleronitrile).
As preferably, the polyreaction of step (1) is carried out in reaction solvent, and the volumetric molar concentration of described Halogen acrylate-type monomer is 0.1 ~ 10mol/L.
As preferably, in step (1), the temperature of polyreaction is 60 ~ 90 DEG C, and the time of polyreaction is 3 ~ 24h.
Through the reaction of step (1), the line polymer that structure is clear and definite can be obtained, the polymerization degree is 50 ~ 1000 (being calculated by nuclear magnetic resonance result), and molecular weight distribution is 1.01 ~ 1.45 (gel permeation chromatographies), is preferably 1.1 ~ 1.3; It should be noted that when preparing main chain by different initiator, molecular weight and molecular weight distribution different.
As preferably, in step (2), the mol ratio of Halogen acrylate based polymer (in halogen unit), reductive agent, small molecules thioesters reagent, halo initiator, cuprous halide, many nitrogen ligands is 1:1.8:1.3:0.4:1:6.
As preferably, in step (2), the temperature of substitution reaction is 60 ~ 120 DEG C, and the time of substitution reaction is 1 ~ 48h.
Reaction concrete operations in step (2) are as follows:
Halogen acrylate based polymer, reductive agent, small molecules thioesters reagent, halo initiator and solvent are added in reaction flask; Subsequently the catalyzer that the cuprous halide of deoxygenation/many nitrogen ligands (mol ratio is 1:6) form is added in reaction flask by sampler, 60 ~ 120 DEG C of reaction 1 ~ 48h; Obtain the Macromolecular chain transfer agent containing dithioesters fragment.It is 50 ~ 100% (being calculated by nuclear magnetic resonance result) that functional group conversions leads, and connecting the molecular weight distribution after thioesters is 1.1 ~ 1.45 (gel permeation chromatographies), is preferably 1.1 ~ 1.3.It should be noted that when preparing main chain by different reductive agent, thioesters transformation efficiency is different with molecular weight distribution rangeability.
Wherein, the mol ratio of Halogen acrylate based polymer (in halogen unit), reductive agent, small molecules thioesters reagent, halo initiator, cuprous halide, many nitrogen ligands is 1:1.8:1.3:0.4:1:6.
In step (2), described many nitrogen ligands are PMDETA, TERPY, BPOA, Bipy, Me
6one in TREN, TRMA and DMCBCy, the structural formula of each many nitrogen ligands is as follows:
In step (2), halo initiator is the one in α-chloro-propionicacid ethyl ester, ethyl α bromopropionate and alpha-brominated ethyl isobutyrate.
In step (2), reductive agent is the one in stannous octoate, copper simple substance.
In step (2), described small molecules thioesters reagent is arylthio dithio peroxide acid anhydrides or fatty group sulfo-dithio peroxide acid anhydrides.
Present invention also offers a kind of acrylate type and gather chain-transfer agent, obtained by described preparation method.
Present invention also offers a kind of preparation method of process for preparing column type polymer brush, comprise the steps:
Under the effect of initiator, described acrylate type gathers chain-transfer agent and side chain monomer carries out RAFT polyreaction, obtains described process for preparing column type polymer brush.
As preferably, described side chain monomer comprises at least one in the compound shown in following formula:
Wherein, R
2and R
4independently selected from H or methyl;
R
3, R
5, R
6and R
7independently selected from H, aryl or alkyl; Described alkyl is preferably C
1~ C
5alkyl, described aryl is preferably phenyl.
As further preferred, when described side chain monomer is multiple, each side chain monomer gathers chain-transfer agent successively and carries out RAFT polyreaction with acrylate type.Such as, when described side chain monomer is two kinds, first makes wherein a kind of side chain monomer and acrylate type gather chain-transfer agent and carry out first time RAFT polyreaction, formed and gather chain-transfer agent containing side chain; What obtain gathers chain-transfer agent containing side chain and proceeds second time RAFT polyreaction again with another kind of side chain monomer, and obtain described process for preparing column type polymer brush, the side chain of process for preparing column type polymer brush is now segmented copolymer.
Described RAFT polyreaction is carried out under the existence of initiator, each time in polyreaction, side chain monomer, initiator and acrylate type gather chain-transfer agent (with thioesters unit calculate) mol ratio is for 50 ~ 400:0.3:1, the volumetric molar concentration of side chain monomer in reaction solvent is between 0.1 ~ 10mol/L.Wherein, initiator is Diisopropyl azodicarboxylate or 2,2'-Azobis(2,4-dimethylvaleronitrile).
As preferably, the temperature of described RAFT polyreaction is 60 ~ 90 DEG C, and the reaction times is 1 ~ 48 hour.
Reaction solvent in the present invention is the one in DMF, N,N-dimethylacetamide, toluene, methyl-phenoxide, dioxane, methyl-sulphoxide, acetonitrile, chloroform, N-Methyl pyrrolidone and tetrahydrofuran (THF).
Polymkeric substance in the present invention carries out purifying by the method for dissolution precipitation, and precipitation agent is the one in methyl alcohol, water, ether and normal hexane.
Present invention also offers a kind of process for preparing column type polymer brush, prepared by described preparation method.
Compared with the process for preparing column type polymer brush technology of constructing with existing CRP technology, the present invention has significantly useful technique effect:
(1), in structure, the polymer molecule brush of new texture provided by the invention, containing the function side chain that plurality of optional is selected, in biological medicine, the fields such as nano material are brushed with how potential application than the molecule of common side chain.
(2) in method, due to the introducing simple and effective of thioesters function fragment, avoid the separating-purifying of step-by-step polymerization and required midbody compound, reduce the pollution that solvent brings, reduce production cost, reaction conditions is gentle, easy to control, easily the process for preparing column type polymer brush of synthesis regular block type side chain.
Synthetic method of the present invention efficiently solves constructs molecular brush side chain functionalities limitation problem based on ATRP technology.Single stage method simple and effective introduces molecular chain transfer fragment, obtains the polymer brush of structure-controllable, has huge potential application foreground in novel high polymer material.
Embodiment
Below in conjunction with specific embodiment, the present invention is further detailed.
The molecular weight of gained process for preparing column type polymer brush adopts nuclear-magnetism to follow the tracks of and calculates and SEC mensuration.Nuclear-magnetism Bruker ARX 400 (
1h:400MHz) instrument measures, with deuterated dimethyl sulfoxide (DMSO-d
6) or deuterochloroform (CDCl
3) as solvent, tetramethylsilane (TMS) is as interior mark.Number-average molecular weight is followed the tracks of transformation efficiency by nuclear-magnetism and is obtained.The relative molecular weight of polymkeric substance and molecular weight distribution adopt Waters gel chromatograph (Waters 1525 HPLC configures Waters 2414 RI detector), chromatographic column is Waters Styragel Columns HR4, HR3 and HR1, THF is moving phase, probe temperature is 40 DEG C, flow velocity is 1.0mL/min, and the relative molecular mass of polymkeric substance take polystyrene as standard calibration; And Waters 1515 Isocratic efficient liquid-phase chromatographic pump, PLgel 5 μm of MIEXD-C chromatographic columns, containing the DMF of 0.05mol/L LiBr as moving phase, 60 DEG C, flow velocity is 1.0mL/min, and the relative molecular mass of polymkeric substance take polymethylmethacrylate as standard calibration.Chemical reagent used is chemical pure.
Embodiment 1
By 3.0g methacrylic acid-2-(the bromo-2-methylpropionyl of 2-) oxygen base ethyl ester (BIEM), 11.7mg chain-transfer agent dithiobenzoic acid-2-phenyl third-2-ester (CDB), 2.35mg AIBN, 10mL methyl-phenoxide adds in reaction flask, BIEM, the mol ratio of AIBN and CDB is 250:0.33:1, 24h is reacted at 70 DEG C, dissolution precipitation 3 removing small molecule monomers in 200mL normal hexane, vacuum-drying obtains lightpink homopolymer main chain polymethyl acrylic acid-2-(the bromo-2-methylpropionyl of 2-) oxygen base ethyl ester (PBIEM), yield is 40%, it is 185 that polymer main chain nuclear-magnetism calculates the polymerization degree, SEC number-average molecular weight is 19.4kDa, molecular weight distribution is 1.27.
0.25g PBIEM, 0.515mL stannous octoate, 354.5mg benzimidazole thiophanate are added in reaction flask for dithio peroxide acid anhydrides, 40 μ L 2-isobutyl ethyl bromides and 20mL toluene, logical argon gas 0.5h.By (127mg) cuprous bromide of deoxygenation/(1.11mL) PMEDTA adds in reaction flask, 85 DEG C of reaction 48h.Dissolve with 200mL THF, remove copper with neutral alumina column, after filtrate is concentrated, in 100mL normal hexane, precipitation removes small molecular weight impurity.Vacuum-drying obtains macromole evocating agent polymethyl acrylic acid-2-(dithio benzoyloxy) propionyl containing dithioesters fragment) oxygen base ethyl ester (PTEM).The transformation efficiency calculated by nuclear-magnetism is 74%, SEC number-average molecular weight is 19.6kDa, and molecular weight distribution is 1.44.
1.893g Tert-butyl Methacrylate, 20mg PTEM, 12.055mg AIBN and 10mL methyl-phenoxide are added in reaction flask; 22h is reacted at sealing 60 DEG C after deoxygenation; after reaction terminates; with 200mL methanol extraction 3 removing monomers; vacuum-drying obtains polymethyl acrylic acid-2-(the bromo-2-methylpropionyl of 2-) oxygen base ethyl ester-g-polymethyl tert-butyl acrylate (PBIEM-g-PtBMA); yield is 34.6%; the polymerization degree calculated by nuclear-magnetism is 76; SEC number-average molecular weight is 234.8kDa, and molecular weight distribution is 1.20.
Embodiment 2
Other polymerizing condition is identical with embodiment 1, and difference continues synthesis block side chain with the PBIEM-g-PtBMA obtained in 1.Monomer used is methacrylic acid oligomeric ethylene glycol ester (OEGMA), concrete steps are as follows: by 1.111g OEGMA, 20mg PBIEM-g-PtBMA, 0.2436mg AIBN and 10mL methyl-phenoxide add in reaction flask, 27h is reacted at 60 DEG C, after reaction terminates, polymethyl acrylic acid-2-(the bromo-2-methylpropionyl of 2-) oxygen base ethyl ester-g-(polymethyl tert-butyl acrylate-b-polymethyl acrylic acid oligomeric ethylene glycol ester) PBIEM-g-(PtBMA-b-POEGMA) is obtained with 200mL methanol extraction 3 removing monomers, yield is 25%, the side chain polymerization degree calculated by nuclear-magnetism is 62.5, SEC number-average molecular weight is 896.5kDa, molecular weight distribution is 1.10.
Embodiment 3
Other polymerizing condition is identical with embodiment 1; difference is the polymerization single polymerization monomer of side chain is OEGMA; polymethyl acrylic acid-2-(the bromo-2-methylpropionyl of 2-) the oxygen base ethyl ester-g-polymethyl acrylic acid oligomeric ethylene glycol ester (PBIEM-g-POEGMA) of synthesis homopolymerization side chain; 24h is reacted at 60 DEG C; after reaction terminates; with 150mL ether sedimentation 3 removing monomers; yield is 37%; the side chain polymerization degree calculated by nuclear-magnetism is 50; SEC number-average molecular weight is 434.2kDa, and molecular weight distribution is 1.27.
Embodiment 4
Other polymerizing condition is identical with embodiment 1; difference is the polymerization single polymerization monomer of side chain is vinylbenzene; polymethyl acrylic acid-2-(the bromo-2-methylpropionyl of 2-) the oxygen base ethyl ester-g-polystyrene (PBIEM-g-PSt) of synthesis homopolymerization side chain; 12h is reacted, after reaction terminates, with 150mL ether sedimentation 3 removing monomers at 70 DEG C; yield is 36%; the side chain polymerization degree calculated by nuclear-magnetism is 73, SEC number-average molecular weight is 334.2kDa, and molecular weight distribution is 1.21.
Embodiment 5
Other polymerizing condition is identical with embodiment 1; difference is the polymerization single polymerization monomer of side chain is NIPA (NIPAM); polymethyl acrylic acid-2-(the bromo-2-methylpropionyl of 2-) the oxygen base ethyl ester-g-poly N-isopropyl acrylamide (PBIEM-g-PNIPAM) of synthesis homopolymerization side chain; 12h is reacted at 60 DEG C; after reaction terminates; with 150mL ether sedimentation 3 removing monomers; yield is 31%; the side chain polymerization degree calculated by nuclear-magnetism is 33; SEC number-average molecular weight is 218.2kDa, and molecular weight distribution is 1.38.
Embodiment 6
Other polymerizing condition is identical with embodiment 1; difference is the polymerization single polymerization monomer of side chain is vinylformic acid; synthesis homopolymerization side chain polymethyl acrylic acid-2-(the bromo-2-methylpropionyl of 2-) oxygen base ethyl ester-g-polyacrylic acid (PBIEM-g-PAA); 14h is reacted at 70 DEG C; after reaction terminates; with 200mL water precipitation 3 removing monomers, yield is 29%, and the side chain polymerization degree calculated by nuclear-magnetism is 25.
Embodiment 7
Other polymerizing condition is identical with embodiment 1, difference is the polymerization single polymerization monomer of side chain is methacrylic acid-4-(3-oxo-3-PHENYLPROPIONYL) phenyl ester (DKMA), synthesis homopolymerization side chain polymethyl acrylic acid-2-(the bromo-2-methylpropionyl of 2-) oxygen base ethyl ester-g-polymethyl acrylic acid-4-(3-oxo-3-PHENYLPROPIONYL) phenyl ester (PBIEM-g-PDKMA), 18h is reacted at 70 DEG C, after reaction terminates, with 200mL ether sedimentation 3 removing monomers, yield is 10.2%, the side chain polymerization degree calculated by nuclear-magnetism is 17, SEC number-average molecular weight is 138.5kDa, molecular weight distribution is 1.47.
Embodiment 8
Other polymerizing condition is identical with embodiment 7, and difference continues synthesis block side chain with the PBIEM-g-PDKMA obtained in 7.Monomer used is OEGMA, concrete steps are as follows: by 0.695g OEGMA, 10mg PBIEM-g-PtBMA, 0.4810mg AIBN and 10mL methyl-phenoxide add in reaction flask, 5h is reacted at 60 DEG C, after reaction terminates, polymethyl acrylic acid-2-(the bromo-2-methylpropionyl of 2-) oxygen base ethyl ester-g-(polymethyl acrylic acid-4-(3-oxo-3-PHENYLPROPIONYL) phenyl ester-b-polymethyl acrylic acid oligomeric ethylene glycol ester) PBIEM-g-(PDKMA-b-POEGMA) is obtained with 200mL ether sedimentation 3 removing monomers, yield is 40%, the side chain POEGMA section polymerization degree calculated by nuclear-magnetism is 65, SEC number-average molecular weight is 457.5kDa, molecular weight distribution is 1.23.
Embodiment 9
Other polymerizing conditions are identical with embodiment 8; difference is the polymerization degree of PBIEM main chain used is 335; other operations are consistent; after second segment side chain polyreaction terminates; polymethyl acrylic acid-2-(the bromo-2-methylpropionyl of 2-) oxygen base ethyl ester-g-(polymethyl acrylic acid-4-(3-oxo-3-PHENYLPROPIONYL) phenyl ester-b-polymethyl acrylic acid oligomeric ethylene glycol ester) PBIEM-g-(PDKMA-b-POEGMA) is obtained with 200mL ether sedimentation 3 removing monomers; yield is 53%; SEC number-average molecular weight is 799.8kDa, and molecular weight distribution is 1.03.
Claims (10)
1. acrylate type gathers a preparation method for chain-transfer agent, it is characterized in that, comprises the steps:
(1) under the effect of micromolecule chain transfer agent, Halogen acrylate-type monomer polymerization reaction take place, obtains Halogen acrylate based polymer;
The structure of described Halogen acrylate-type monomer is as shown in formula I:
In formula I, R
1for H or methyl; X is Br or Cl; The integer of n=1 ~ 10;
(2) under halo initiator, cuprous halide, many nitrogen ligands and reductive agent existent condition, step (1) obtains Halogen acrylate based polymer and small molecules thioesters reagent carries out substitution reaction, obtains described acrylate type and gathers chain-transfer agent;
The structure of described small molecules thioesters reagent is as shown in formula II:
In formula II, R is alkyl or aryl.
2. acrylate type according to claim 1 gathers the preparation method of chain-transfer agent, it is characterized in that, described micromolecule chain transfer agent is selected from the one in the compound shown in following formula:
3. acrylate type according to claim 1 gathers the preparation method of chain-transfer agent, it is characterized in that, the polyreaction of step (1) is carried out under the existence of initiator;
The mol ratio of Halogen acrylate-type monomer, initiator and micromolecule chain transfer agent is 50 ~ 800:0.3:1.
4. acrylate type according to claim 1 gathers the preparation method of chain-transfer agent, it is characterized in that, the polyreaction of step (1) is carried out in reaction solvent, and the volumetric molar concentration of described Halogen acrylate-type monomer is 0.1 ~ 10mol/L.
5. acrylate type according to claim 1 gathers the preparation method of chain-transfer agent, it is characterized in that, in step (1), the temperature of polyreaction is 60 ~ 90 DEG C, and the time of polyreaction is 3 ~ 24h.
6. acrylate type according to claim 1 gathers the preparation method of chain-transfer agent, it is characterized in that, in step (2), the mol ratio of Halogen acrylate based polymer, reductive agent, small molecules thioesters reagent, halo initiator, cuprous halide, many nitrogen ligands is 1:1.8:1.3:0.4:1:6.
7. acrylate type gathers a chain-transfer agent, it is characterized in that, is obtained by the preparation method described in any one of claim 1 ~ 6.
8. a preparation method for process for preparing column type polymer brush, is characterized in that, comprises the steps:
Under the effect of initiator, acrylate type according to claim 7 gathers chain-transfer agent and side chain monomer carries out RAFT polyreaction, obtains described process for preparing column type polymer brush.
9. the preparation method of process for preparing column type polymer brush according to claim 8, is characterized in that, described side chain monomer comprises at least one in the compound shown in following formula:
Wherein, R
2and R
4independently selected from H or methyl;
R
3, R
5, R
6and R
7independently selected from H, aryl or alkyl.
10. a process for preparing column type polymer brush, is characterized in that, is prepared by the preparation method described in claim 8 or 9.
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| JP2018154669A (en) * | 2017-03-15 | 2018-10-04 | 株式会社リコー | Polymer, production method thereof, and optical material |
| JP2018154667A (en) * | 2017-03-15 | 2018-10-04 | 株式会社リコー | Polymer, production method thereof, and optical material |
| CN108864385A (en) * | 2018-05-29 | 2018-11-23 | 上海交通大学 | A kind of preparation method containing accurate decorating site polymer brush |
| CN109316978A (en) * | 2018-10-25 | 2019-02-12 | 上海科技大学 | A kind of MOFs material and its preparation method and application |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2018154669A (en) * | 2017-03-15 | 2018-10-04 | 株式会社リコー | Polymer, production method thereof, and optical material |
| JP2018154667A (en) * | 2017-03-15 | 2018-10-04 | 株式会社リコー | Polymer, production method thereof, and optical material |
| JP7116393B2 (en) | 2017-03-15 | 2022-08-10 | 株式会社リコー | Polymer, production method thereof, and optical material |
| CN108864385A (en) * | 2018-05-29 | 2018-11-23 | 上海交通大学 | A kind of preparation method containing accurate decorating site polymer brush |
| CN109316978A (en) * | 2018-10-25 | 2019-02-12 | 上海科技大学 | A kind of MOFs material and its preparation method and application |
| CN109316978B (en) * | 2018-10-25 | 2022-08-23 | 上海科技大学 | MOFs material and preparation method and application thereof |
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