CN107936158A - A kind of light-initiated high molecular polymer and preparation method thereof - Google Patents
A kind of light-initiated high molecular polymer and preparation method thereof Download PDFInfo
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- CN107936158A CN107936158A CN201711402308.9A CN201711402308A CN107936158A CN 107936158 A CN107936158 A CN 107936158A CN 201711402308 A CN201711402308 A CN 201711402308A CN 107936158 A CN107936158 A CN 107936158A
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- 229920000642 polymer Polymers 0.000 title claims abstract description 25
- 238000002360 preparation method Methods 0.000 title claims abstract description 15
- 239000003054 catalyst Substances 0.000 claims abstract description 11
- 238000005286 illumination Methods 0.000 claims abstract description 10
- 239000000178 monomer Substances 0.000 claims abstract description 8
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 claims abstract description 4
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 claims description 24
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 claims description 20
- 229910052757 nitrogen Inorganic materials 0.000 claims description 12
- 239000002904 solvent Substances 0.000 claims description 11
- 238000006116 polymerization reaction Methods 0.000 claims description 10
- 239000000243 solution Substances 0.000 claims description 9
- GNBHRKFJIUUOQI-UHFFFAOYSA-N fluorescein Chemical group O1C(=O)C2=CC=CC=C2C21C1=CC=C(O)C=C1OC1=CC(O)=CC=C21 GNBHRKFJIUUOQI-UHFFFAOYSA-N 0.000 claims description 8
- PYWVYCXTNDRMGF-UHFFFAOYSA-N rhodamine B Chemical compound [Cl-].C=12C=CC(=[N+](CC)CC)C=C2OC2=CC(N(CC)CC)=CC=C2C=1C1=CC=CC=C1C(O)=O PYWVYCXTNDRMGF-UHFFFAOYSA-N 0.000 claims description 8
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 7
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 claims description 6
- 229960002143 fluorescein Drugs 0.000 claims description 6
- 239000000126 substance Substances 0.000 claims description 6
- CSCPPACGZOOCGX-UHFFFAOYSA-N Acetone Chemical compound CC(C)=O CSCPPACGZOOCGX-UHFFFAOYSA-N 0.000 claims description 5
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 4
- NIXOWILDQLNWCW-UHFFFAOYSA-N 2-Propenoic acid Natural products OC(=O)C=C NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 4
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical compound C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 claims description 4
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 claims description 4
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical compound C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 claims description 4
- WYURNTSHIVDZCO-UHFFFAOYSA-N Tetrahydrofuran Chemical compound C1CCOC1 WYURNTSHIVDZCO-UHFFFAOYSA-N 0.000 claims description 4
- IAZDPXIOMUYVGZ-UHFFFAOYSA-N dimethyl sulfoxide Natural products CS(C)=O IAZDPXIOMUYVGZ-UHFFFAOYSA-N 0.000 claims description 4
- 239000011259 mixed solution Substances 0.000 claims description 4
- 239000007787 solid Substances 0.000 claims description 4
- OALHHIHQOFIMEF-UHFFFAOYSA-N 3',6'-dihydroxy-2',4',5',7'-tetraiodo-3h-spiro[2-benzofuran-1,9'-xanthene]-3-one Chemical compound O1C(=O)C2=CC=CC=C2C21C1=CC(I)=C(O)C(I)=C1OC1=C(I)C(O)=C(I)C=C21 OALHHIHQOFIMEF-UHFFFAOYSA-N 0.000 claims description 3
- 230000001376 precipitating effect Effects 0.000 claims description 3
- 229940043267 rhodamine b Drugs 0.000 claims description 3
- NLHHRLWOUZZQLW-UHFFFAOYSA-N Acrylonitrile Chemical compound C=CC#N NLHHRLWOUZZQLW-UHFFFAOYSA-N 0.000 claims description 2
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical group COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 claims description 2
- BZHJMEDXRYGGRV-UHFFFAOYSA-N Vinyl chloride Chemical compound ClC=C BZHJMEDXRYGGRV-UHFFFAOYSA-N 0.000 claims description 2
- VYXSBFYARXAAKO-WTKGSRSZSA-N chembl402140 Chemical compound Cl.C1=2C=C(C)C(NCC)=CC=2OC2=C\C(=N/CC)C(C)=CC2=C1C1=CC=CC=C1C(=O)OCC VYXSBFYARXAAKO-WTKGSRSZSA-N 0.000 claims description 2
- 238000004090 dissolution Methods 0.000 claims description 2
- YQGOJNYOYNNSMM-UHFFFAOYSA-N eosin Chemical compound [Na+].OC(=O)C1=CC=CC=C1C1=C2C=C(Br)C(=O)C(Br)=C2OC2=C(Br)C(O)=C(Br)C=C21 YQGOJNYOYNNSMM-UHFFFAOYSA-N 0.000 claims description 2
- 229940020947 fluorescein sodium Drugs 0.000 claims description 2
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 claims description 2
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 claims 3
- HRPVXLWXLXDGHG-UHFFFAOYSA-N Acrylamide Chemical compound NC(=O)C=C HRPVXLWXLXDGHG-UHFFFAOYSA-N 0.000 claims 1
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 claims 1
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims 1
- 239000002253 acid Substances 0.000 claims 1
- 150000001336 alkenes Chemical class 0.000 claims 1
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims 1
- 239000003208 petroleum Substances 0.000 claims 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 claims 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 claims 1
- 229910052708 sodium Inorganic materials 0.000 claims 1
- 239000011734 sodium Substances 0.000 claims 1
- 238000000034 method Methods 0.000 abstract description 9
- 238000006243 chemical reaction Methods 0.000 abstract description 4
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 abstract description 3
- 150000002148 esters Chemical class 0.000 abstract description 2
- 239000000203 mixture Substances 0.000 abstract 1
- 125000003011 styrenyl group Chemical class [H]\C(*)=C(/[H])C1=C([H])C([H])=C([H])C([H])=C1[H] 0.000 abstract 1
- 239000000047 product Substances 0.000 description 15
- 239000011521 glass Substances 0.000 description 12
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 description 6
- 238000001035 drying Methods 0.000 description 6
- 238000001914 filtration Methods 0.000 description 6
- 239000001301 oxygen Substances 0.000 description 6
- 229910052760 oxygen Inorganic materials 0.000 description 6
- 238000001556 precipitation Methods 0.000 description 6
- 238000003756 stirring Methods 0.000 description 6
- 239000002244 precipitate Substances 0.000 description 4
- PQUXFUBNSYCQAL-UHFFFAOYSA-N 1-(2,3-difluorophenyl)ethanone Chemical compound CC(=O)C1=CC=CC(F)=C1F PQUXFUBNSYCQAL-UHFFFAOYSA-N 0.000 description 3
- ZMXDDKWLCZADIW-UHFFFAOYSA-N N,N-Dimethylformamide Chemical compound CN(C)C=O ZMXDDKWLCZADIW-UHFFFAOYSA-N 0.000 description 3
- 239000000463 material Substances 0.000 description 3
- 230000005855 radiation Effects 0.000 description 3
- 229940047670 sodium acrylate Drugs 0.000 description 3
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical class CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 description 2
- 230000006378 damage Effects 0.000 description 2
- 238000005516 engineering process Methods 0.000 description 2
- 239000007789 gas Substances 0.000 description 2
- 230000000977 initiatory effect Effects 0.000 description 2
- 235000015424 sodium Nutrition 0.000 description 2
- 239000004925 Acrylic resin Substances 0.000 description 1
- 229920000178 Acrylic resin Polymers 0.000 description 1
- KIDXYAWWICJAFK-UHFFFAOYSA-N O.[Na].OC Chemical compound O.[Na].OC KIDXYAWWICJAFK-UHFFFAOYSA-N 0.000 description 1
- 208000027418 Wounds and injury Diseases 0.000 description 1
- 238000010521 absorption reaction Methods 0.000 description 1
- -1 acryloyl Amine Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000010276 construction Methods 0.000 description 1
- 229920001577 copolymer Polymers 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000007599 discharging Methods 0.000 description 1
- 238000004043 dyeing Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 230000005284 excitation Effects 0.000 description 1
- 238000010528 free radical solution polymerization reaction Methods 0.000 description 1
- 230000005283 ground state Effects 0.000 description 1
- 229920001519 homopolymer Polymers 0.000 description 1
- 208000014674 injury Diseases 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 239000003921 oil Substances 0.000 description 1
- 238000000710 polymer precipitation Methods 0.000 description 1
- 238000004064 recycling Methods 0.000 description 1
- 239000013049 sediment Substances 0.000 description 1
- GRONZTPUWOOUFQ-UHFFFAOYSA-M sodium;methanol;hydroxide Chemical compound [OH-].[Na+].OC GRONZTPUWOOUFQ-UHFFFAOYSA-M 0.000 description 1
- 150000003440 styrenes Chemical class 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 238000004383 yellowing Methods 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F120/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F120/04—Acids; Metal salts or ammonium salts thereof
- C08F120/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F120/00—Homopolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
- C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F120/10—Esters
- C08F120/12—Esters of monohydric alcohols or phenols
- C08F120/14—Methyl esters, e.g. methyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F2/00—Processes of polymerisation
- C08F2/46—Polymerisation initiated by wave energy or particle radiation
- C08F2/48—Polymerisation initiated by wave energy or particle radiation by ultraviolet or visible light
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerization Catalysts (AREA)
Abstract
A kind of light-initiated high molecular polymer and preparation method thereof, the weight average molecular weight of this high molecular polymer is from 1000 to 1, and 000,000g/mol.In preparation method is acrylicacidandesters class, methacrylic acid and its esters, styrene derivative, vinyl acetate using monomer, its conversion ratio is more than or equal to 60%.The mixture that photochemical catalyst monomer corresponding with polymer is used in method under visible light illumination, polymerisation is carried out under the conditions of in room temperature.
Description
Technical field
The invention belongs to solution polymerization technique field, is related to a kind of light-initiated high molecular polymer and preparation method thereof.
Background technology
Photopolymerization is a kind of very common technology, is commonly divided into light and directly triggers polymerization, or light to pass through photoinitiator
Trigger polymerization.Acrylic resin cures under ultraviolet light just belongs to the former, and the latter generally requires specific photoinitiator.And
Photoinitiator is generally difficult to synthesis or cost is very high, and mostly consumables.Therefore need to develop other approach to realize
Photopolymerization.
Fluoresceins belong to very common fluorescent material with rhodamine, are often used in the dyeing of biologic slice.
For traditional photoinitiator, the two is polymerize using visible ray, daylight, this can certainly significantly improve construction
Condition, reduces injury of the ultraviolet light for human body.Still further aspect, fluorescein and rhodamine all it is easy to dissolve in water, methanol
In, after polymerization can be easily by repeatedly precipitating the color of the cleared photochemical catalyst of method of dissolving in itself, less
Yellowing phenomenon in other light initiation polymerizations can be produced.
The content of the invention
The object of the present invention is to provide a kind of method of light initiation polymerization.Another object is to provide the poly- of above method preparation
Compound.
To achieve the above object, technical scheme is as follows：
A kind of preparation method of light-initiated high molecular polymer, comprises the steps of,
A) monomer and solvent are configured to a kind of mixed solution in a reservoir, and add photochemical catalyst；
B) nitrogen is passed through in a reservoir and keeps closed；
C) polymerisation occurs for mixed solution under illumination condition；
D) poor solvent is added into the solution of step c), is filtered after being settled out product and dry, solid is obtained after dry；
E) after the product of step d) is dissolved using solvent, the precipitating, dry of repeat step d), course of dissolution, until must
To colourless high molecular polymer；
The visible ray of the illumination condition 420-600nm of the step c), when light application time is 6-24 small.
Preferably, the chemical constitution of the photochemical catalyst of the step a) includes conjugated system, and the photochemical catalyst is fluorescence
Element, fluorescein sodium, eosin, tetraiodofluorescein, rhodamine B, rhodamine 6G.
Preferably, the monomer of the step a) is acrylic acid, methacrylic acid, styrene, vinyl acetate, acryloyl
Amine, acrylonitrile, N, at least one in N- dimethacrylamide, butadiene, vinyl chloride, sodium acrylate, methyl methacrylate
Kind.
Preferably, the solvent of the step a) is water, tetrahydrofuran, n,N-Dimethylformamide, acetone, toluene, oil
At least one of ether, dimethyl sulfoxide.
Preferably, the step b) is passed through nitrogen 15-40 minutes in a reservoir.
Preferably, the intensity of illumination scope of the step c) is 400-4000 luxs, the temperature model of the polymerisation
Enclose is 0 DEG C to 40 DEG C.
Preferably, the poor solvent of the step d) is sodium hydroxide methanol, methanol.
Preferably, the photochemical catalyst content in the solid that step d) is obtained should be less than being equal to 100ppm.
The high molecular polymer that the above method is prepared, the weight average molecular weight range of the high molecular polymer be from
1000 arrive 1,000,000g/mol.
Preferably, the weight average molecular weight range of the high molecular polymer is in 1000 to 400,000g/mol.
The advantages of the present invention：
1st, visible light polymerization, avoids harm of the ultraviolet light to human body, improves execution conditions.
2nd, presently disclosed method can be widely applied to various of monomer, solvent, have broad applicability.
3rd, presently disclosed method can realize rapid polymerization in the sun, available for specific use.
4th, the polymerizate high conversion rate that the present invention finally obtains, more than or equal to 60%.Polymer average molecular weight from
1000 to 1,000,000g/mol, obtain monomer conversion more than or equal to 60% acrylicacidandesters class, methacrylic acid and
Its esters, styrene derivative, the homopolymer or copolymer of vinyl acetate.
5th, in order to overcome photoinitiator illumination easy to change the features such as.The present invention is used as using fluorescent material cheap and easy to get can
The photochemical catalyst of recycling instead of photoinitiator.Containing bigger in the organic fluorescent substance molecules such as fluorescein and rhodamine
Conjugated system, this can produce obvious absorption to light, and light absorbing molecule becomes excitation state, then becomes the process of ground state again
Middle discharging fluorescence.
Brief description of the drawings
Fig. 1 is chemical structural drawing (b) of the chemical structural drawing (a) with rhodamine B of fluorescein.
Fig. 2 is the polymer GPC test result figures of lower molecular weight.
Fig. 3 is the polymer test result figure of weight average molecular weight 210,000g/mol.
Fig. 4 is the chemical structural drawing of some materials for containing conjugated structure.
Embodiment
With reference to specific embodiment, the present invention is further illustrated.
Embodiment 1
By 5g acrylic acid, 10g water, is added in transparent glass flask, adds 0.01g rhodamine Bs, nitrogen is passed through into bottle
Gas stirs evenly at the same time.After twenty minutes, being covered with glass stopper prevents oxygen from entering.It is anti-that polymerization occurs under the irradiation of 550nm green lights
Should, taken out after 24h, product solution is added dropwise in 50ml 0.2mol/L sodium hydrate methanol solutions, polymer is obtained and sinks
Form sediment, dissolving-precipitation is repeated after filtration drying and finally obtains product.
Embodiment 2
By 5g sodium acrylate, 10g water, is added in transparent glass flask, adds 0.01g fluorescein sodiums, leads into bottle
Enter nitrogen to stir evenly at the same time.After twenty minutes, being covered with glass stopper prevents oxygen from entering.Occur under 480nm blue light illuminations poly-
Reaction is closed, is taken out after 24h, product solution is added dropwise in 50ml methanol, polymer is obtained and precipitates, it is repeatedly molten after filtration drying
Solution-precipitation finally obtains product.
Embodiment 3
By 5g acrylic acid, 10g water, is added in transparent glass flask, adds 0.01g rhodamine Bs, nitrogen is passed through into bottle
Gas stirs evenly at the same time.After twenty minutes, being covered with glass stopper prevents oxygen from entering.Polymerisation occurs under solar radiation, according to
6h is irradiated according to sunlight strength, product solution is added dropwise in 50ml methanol, polymer is obtained and precipitates, it is repeatedly molten after filtration drying
Solution-precipitation finally obtains product.
Embodiment 4
By 5g sodium acrylate, 10g water, is added in transparent glass flask, adds 0.01g fluorescein sodiums, leads into bottle
Enter nitrogen to stir evenly at the same time.After twenty minutes, being covered with glass stopper prevents oxygen from entering.It is anti-that polymerization occurs under solar radiation
Should, according to sunlight strength irradiation 6h, product solution is added dropwise in 50ml methanol, polymer is obtained and precipitates, after filtration drying
Repeat dissolving-precipitation and finally obtain product.
Embodiment 5
By 5g methyl methacrylates, 10ml dimethyl sulfoxides, are added in transparent glass flask, add 0.01g fluorescence
Element and 0.003g triethylamines, into bottle be passed through nitrogen stirs evenly at the same time.After twenty minutes, covered with glass stopper prevent oxygen into
Enter.Polymerisation occurs under 480nm blue light illuminations, is taken out after 24h, product solution is added dropwise in 50ml methanol, is obtained
Polymer precipitates, and dissolving-precipitation is repeated after filtration drying and finally obtains product.
Embodiment 6
By 5g methyl methacrylates, 10ml dimethyl sulfoxides, are added in transparent glass flask, add 0.01g fluorescence
Element and 0.003g triethylamines, into bottle be passed through nitrogen stirs evenly at the same time.After twenty minutes, covered with glass stopper prevent oxygen into
Enter.Polymerisation occurs under solar radiation, according to sunlight strength irradiation 6h, product solution is added dropwise in 50ml methanol,
Polymer precipitation is obtained, repeating dissolving-precipitation after filtration drying finally obtains product.
The product and its Contrast on effect table of 1 embodiment of table
Note：Polymer of the weight average molecular weight higher than 500,000g/mol be not because detection reason has test result.
The implementation of the present invention is not limited to this, and the above according to the invention, is known using the ordinary skill of this area
Knowledge and customary means, under the premise of the above-mentioned basic fundamental thought of the present invention is not departed from, the present invention can also make other a variety of shapes
Modification, replacement or the change of formula, all fall within rights protection scope of the present invention.
Claims (10)
- A kind of 1. preparation method of light-initiated high molecular polymer, it is characterised in that comprise the steps of,A) monomer and solvent are configured to a kind of mixed solution in a reservoir, and add photochemical catalyst；B) nitrogen is passed through in a reservoir and keeps closed；C) polymerisation occurs for mixed solution under illumination condition；D) poor solvent is added into the solution of step c), is filtered after being settled out product and dry, solid is obtained after dry；E) after the product of step d) is dissolved using solvent, the precipitating, dry of repeat step d), course of dissolution, up to obtaining nothing The high molecular polymer of color；The visible ray of the illumination condition 420-600nm of the step c), when light application time is 6-24 small.
- 2. preparation method according to claim 1, it is characterised in that the chemical constitution bag of the photochemical catalyst of the step a) Containing conjugated system, the photochemical catalyst is fluorescein, fluorescein sodium, eosin, tetraiodofluorescein, rhodamine B, rhodamine 6G。
- 3. preparation method according to claim 1, it is characterised in that the monomer of the step a) is acrylic acid, methyl-prop Olefin(e) acid, styrene, vinyl acetate, acrylamide, acrylonitrile, N, N- dimethacrylamide, butadiene, vinyl chloride, propylene At least one of sour sodium, methyl methacrylate.
- 4. preparation method according to claim 1, it is characterised in that the solvent of the step a) is water, tetrahydrofuran, N, At least one of dinethylformamide, acetone, toluene, petroleum ether, dimethyl sulfoxide.
- 5. preparation method according to claim 1, it is characterised in that the step b) is passed through nitrogen 15-40 in a reservoir Minute.
- 6. preparation method according to claim 1, it is characterised in that the intensity of illumination scope of the step c) is 400- 4000 luxs；The temperature range of the polymerisation is 0 DEG C to 40 DEG C.
- 7. preparation method according to claim 1, it is characterised in that the poor solvent of the step d) is sodium hydroxide first Alcohol, methanol.
- 8. preparation method according to claim 1, it is characterised in that the photochemical catalyst in the solid that the step d) is obtained Content should be less than being equal to 100ppm.
- 9. the high molecular polymer being prepared according to any one of Claims 1 to 5, it is characterised in that the high molecular polymerization The weight average molecular weight range of thing is from 1000 to 1,000,000g/mol.
- 10. high molecular polymer according to claim 9, it is characterised in that the Weight-average molecular of the high molecular polymer It is to arrive 400,000g/mol 1000 to measure scope.
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