CN107383267A - Self-healing polymers and preparation method and application - Google Patents
Self-healing polymers and preparation method and application Download PDFInfo
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- CN107383267A CN107383267A CN201710370955.XA CN201710370955A CN107383267A CN 107383267 A CN107383267 A CN 107383267A CN 201710370955 A CN201710370955 A CN 201710370955A CN 107383267 A CN107383267 A CN 107383267A
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- 229920006299 self-healing polymer Polymers 0.000 title claims abstract description 52
- 238000002360 preparation method Methods 0.000 title claims abstract description 26
- 239000000178 monomer Substances 0.000 claims abstract description 104
- 239000002253 acid Substances 0.000 claims abstract description 39
- 230000007935 neutral effect Effects 0.000 claims abstract description 25
- 229920001577 copolymer Polymers 0.000 claims abstract description 11
- 230000000977 initiatory effect Effects 0.000 claims abstract description 9
- 239000000463 material Substances 0.000 claims description 41
- NIXOWILDQLNWCW-UHFFFAOYSA-N acrylic acid group Chemical group C(C=C)(=O)O NIXOWILDQLNWCW-UHFFFAOYSA-N 0.000 claims description 11
- SMZOUWXMTYCWNB-UHFFFAOYSA-N 2-(2-methoxy-5-methylphenyl)ethanamine Chemical compound COC1=CC=C(C)C=C1CCN SMZOUWXMTYCWNB-UHFFFAOYSA-N 0.000 claims description 9
- CQEYYJKEWSMYFG-UHFFFAOYSA-N butyl acrylate Chemical compound CCCCOC(=O)C=C CQEYYJKEWSMYFG-UHFFFAOYSA-N 0.000 claims description 7
- 239000011248 coating agent Substances 0.000 claims description 4
- 238000000576 coating method Methods 0.000 claims description 4
- 150000002148 esters Chemical class 0.000 claims description 4
- JIGUQPWFLRLWPJ-UHFFFAOYSA-N Ethyl acrylate Chemical compound CCOC(=O)C=C JIGUQPWFLRLWPJ-UHFFFAOYSA-N 0.000 claims description 3
- CERQOIWHTDAKMF-UHFFFAOYSA-N Methacrylic acid Chemical compound CC(=C)C(O)=O CERQOIWHTDAKMF-UHFFFAOYSA-N 0.000 claims description 3
- 150000007513 acids Chemical class 0.000 claims description 3
- PNJWIWWMYCMZRO-UHFFFAOYSA-N pent‐4‐en‐2‐one Natural products CC(=O)CC=C PNJWIWWMYCMZRO-UHFFFAOYSA-N 0.000 claims description 3
- UUYQSLQNSVVXCC-UHFFFAOYSA-N CN.C(C=C)(=O)OCCN(C)C Chemical group CN.C(C=C)(=O)OCCN(C)C UUYQSLQNSVVXCC-UHFFFAOYSA-N 0.000 claims description 2
- 238000009281 ultraviolet germicidal irradiation Methods 0.000 claims description 2
- 150000001336 alkenes Chemical class 0.000 claims 2
- JRZJOMJEPLMPRA-UHFFFAOYSA-N olefin Natural products CCCCCCCC=C JRZJOMJEPLMPRA-UHFFFAOYSA-N 0.000 claims 2
- 229910021529 ammonia Inorganic materials 0.000 claims 1
- QGZKDVFQNNGYKY-UHFFFAOYSA-N ammonia Natural products N QGZKDVFQNNGYKY-UHFFFAOYSA-N 0.000 claims 1
- 238000012662 bulk polymerization Methods 0.000 abstract description 4
- 238000010528 free radical solution polymerization reaction Methods 0.000 abstract description 4
- 238000004519 manufacturing process Methods 0.000 abstract description 3
- 230000006641 stabilisation Effects 0.000 abstract description 2
- 238000011105 stabilization Methods 0.000 abstract description 2
- 230000006378 damage Effects 0.000 description 8
- 229920000642 polymer Polymers 0.000 description 8
- 238000000034 method Methods 0.000 description 6
- 230000008439 repair process Effects 0.000 description 6
- 230000002441 reversible effect Effects 0.000 description 5
- 230000003993 interaction Effects 0.000 description 4
- 239000012237 artificial material Substances 0.000 description 3
- 241000894007 species Species 0.000 description 3
- WTOUYJXPUNLWSZ-UHFFFAOYSA-N 2,4-diethyl-1,3-thiazole 1-oxide Chemical compound C(C)C=1S(C=C(N1)CC)=O WTOUYJXPUNLWSZ-UHFFFAOYSA-N 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- 239000003153 chemical reaction reagent Substances 0.000 description 2
- 125000004494 ethyl ester group Chemical group 0.000 description 2
- 239000000017 hydrogel Substances 0.000 description 2
- 239000003999 initiator Substances 0.000 description 2
- 230000007246 mechanism Effects 0.000 description 2
- 239000012299 nitrogen atmosphere Substances 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 2
- QTBSBXVTEAMEQO-UHFFFAOYSA-M Acetate Chemical compound CC([O-])=O QTBSBXVTEAMEQO-UHFFFAOYSA-M 0.000 description 1
- LCGLNKUTAGEVQW-UHFFFAOYSA-N Dimethyl ether Chemical compound COC LCGLNKUTAGEVQW-UHFFFAOYSA-N 0.000 description 1
- 235000015511 Liquidambar orientalis Nutrition 0.000 description 1
- 239000004870 Styrax Substances 0.000 description 1
- 244000028419 Styrax benzoin Species 0.000 description 1
- 235000000126 Styrax benzoin Nutrition 0.000 description 1
- 125000005396 acrylic acid ester group Chemical group 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 230000007797 corrosion Effects 0.000 description 1
- 238000005260 corrosion Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 230000007423 decrease Effects 0.000 description 1
- 230000007812 deficiency Effects 0.000 description 1
- 238000001514 detection method Methods 0.000 description 1
- 238000011161 development Methods 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 239000000686 essence Substances 0.000 description 1
- 230000009477 glass transition Effects 0.000 description 1
- 230000035876 healing Effects 0.000 description 1
- 230000001771 impaired effect Effects 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 238000012423 maintenance Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 239000000155 melt Substances 0.000 description 1
- 125000005395 methacrylic acid group Chemical class 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- 239000000203 mixture Substances 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000008569 process Effects 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- QQONPFPTGQHPMA-UHFFFAOYSA-N propylene Natural products CC=C QQONPFPTGQHPMA-UHFFFAOYSA-N 0.000 description 1
- 125000004805 propylene group Chemical group [H]C([H])([H])C([H])([*:1])C([H])([H])[*:2] 0.000 description 1
- 238000011069 regeneration method Methods 0.000 description 1
- 238000012552 review Methods 0.000 description 1
- 239000002904 solvent Substances 0.000 description 1
Classifications
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- 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
- C08F220/00—Copolymers 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
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L33/00—Compositions of homopolymers or copolymers 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 of salts, anhydrides, esters, amides, imides or nitriles thereof; Compositions of derivatives of such polymers
- C08L33/04—Homopolymers or copolymers of esters
- C08L33/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, which oxygen atoms are present only as part of the carboxyl radical
- C08L33/08—Homopolymers or copolymers of acrylic acid esters
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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
- C09D133/00—Coating compositions based on homopolymers or copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
- C09D133/04—Homopolymers or copolymers of esters
- C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
- C09D133/08—Homopolymers or copolymers of acrylic acid esters
-
- 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
- C08F220/00—Copolymers 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
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
- C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
- C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (meth)acrylate
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- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
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- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
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Abstract
The invention discloses a kind of self-healing polymers and preparation method and application.Self-healing polymers of the present invention are the copolymers by alkaline monomer and acid monomer, or by alkaline monomer and acid monomer and the copolymer of neutral monomer.The preparation method of self-healing polymers of the present invention comprises the following steps have：Proportionally by the alkaline monomer, acid monomer, neutral monomer carry out thermal initiation or it is light-initiated under conditions of carry out polymerisation in solution or bulk polymerization.Self-healing polymers undamaged portion of the present invention can be rebuild at room temperature, so as to realize selfreparing.And mechanical performance is excellent, and it is adjustable.Its preparation method condition is easily-controllable, enables to the self-healing polymers self-healing properties stabilization prepared, and production cost is low.
Description
Technical field
The invention belongs to technical field of polymer, relate particularly to a kind of self-healing polymers and preparation method thereof with
Using.
Background technology
Organism can after locally sustaining damage autonomous healing, and artificial material often " is reviewed one's lessons by oneself without this
It is multiple " function, therefore therefore artificial material its performance and used life after impaired can be reduced or even lost.With science and technology
Development, because artificial material such as polymer has the characteristics that specific performance such as high-strength light, corrosion resistance is widely used
In such as aviation, traffic, building and sports goods.However, during the processing and use of material, by external condition
Influence, the surface and inside of material are inevitably generated micro-crack and all kinds of damages.These micro-cracks cause the mechanics of material
Hydraulic performance decline, shorten the useful life of material, the final overall destruction for triggering material.In the polymeric material, it is macroscopic
Layering and macroscopic cracking can pass through repaired by hand；And for appearing in the micro-damage of material internal, detection difficult, if too late
Shi Xiufu, it would be possible to cause weight people's security incident.Therefore, the selfreparing of Study Polymer Melts material, can repair automatically it is micro-
Damage location, the normal use and extension material lifetime to maintenance materials are significant, are advantageous to polymeric material and more pacify
Entirely, it is widely applied.
Selfreparing mechanism is introduced into polymeric material by the beginning of this century, foreign study person, is successfully prepared to have and is repaiied automatically
The intellectual material of multiple damage feature.Common self-repair material can be divided into two kinds of foreign aid's type and Intrinsical, and its exogenous is certainly
Repair materials, which need to add in material body, repairs reagent, and reparation number is limited and preparation process is more complicated, with this phase
Than Intrinsical self-repair material carries out loss reparation using reversible reaction of the material in molecular structure aspect, has preparation simpler
The advantages of single and reparation number is more.Though the method extra repairs reagent, without carrying out at special surface without introducing
Reason, but require that material molecule has the mechanism of energy self-regeneration in itself so that the matrix range of choice of repair mode application has
Limit, and can realize that self-repair material less at room temperature can selfreparing at room temperature.Intrinsical self-repair material one under current room temperature
As be confined to hydrogel, water content is high and bad mechanical property, it is difficult to which extensive use, therefore, preparing one kind can repair at room temperature
Multiple bulk material is particularly important.
The content of the invention
It is an object of the invention to overcome the above-mentioned deficiency of prior art, there is provided a kind of self-healing polymers and its preparation
Method, hydrogel, water content height and bad mechanical property are only limitted to solve existing self-healing polymers, uses limited technology
Problem.
In order to realize foregoing invention purpose, an aspect of of the present present invention, there is provided a kind of self-healing polymers.Described one kind
Self-healing polymers, it is the copolymer by alkaline monomer and acid monomer, or by alkaline monomer and acid monomer and neutral list
The copolymer of body；Wherein, the mol ratio of alkaline monomer, acid monomer and the monomer of neutral monomer three is (5-50)：(5-50)：(0-
90)。
A kind of another aspect of the present invention, there is provided preparation method of self-healing polymers.The preparation method is included such as
Lower step：
Mol ratio according to alkaline monomer, acid monomer and the monomer of neutral monomer three is (5-50)：(5-50)：(0-90)
Ratio by the alkaline monomer, acid monomer, neutral monomer carry out thermal initiation or it is light-initiated under conditions of carry out polymerisation in solution
Or bulk polymerization.
Another aspect of the present invention, there is provided the application process of self-healing polymers of the present invention.Self-healing polymeric of the present invention
Application of the thing in selfreparing intellectual material, coating material, flexible electronic base material.
Compared with prior art, self-healing polymers of the present invention are by alkaline monomer and acid monomer or by alkaline monomer
With acid monomer and the copolymer of neutral monomer, wherein, interaction between alkaline monomer and acid monomer forms polymerization
The reversible dynamic equilibrium of thing itself so that self-healing polymers damage of material part of the present invention can be rebuild at room temperature, from
And realize selfreparing.And mechanical performance is excellent, and it is adjustable.
Self-healing polymers preparation method of the present invention proportionally enters alkaline monomer and acid monomer and neutral monomer
Row polymerisation so that the interaction between alkaline monomer and acid monomer is a reversible dynamic balance, so as to
The self-healing polymers undamaged portion prepared is rebuild at room temperature, so as to realize selfreparing, and mechanical performance is excellent
It is different.In addition, the inventive method condition is easily-controllable, the self-healing polymers self-healing properties stabilization prepared is enabled to, and be produced into
This is low.
Self-healing polymers of the present invention have self-healing properties at room temperature described above, and self-healing properties are stable, machinery
Excellent performance, financial cost is low, effectively extends its application, is such as applied to selfreparing intellectual material, coating material
In material, flexible electronic base material, the stability of material is effectively improved, extends the service life of material, and reduces and is produced into
This.
Embodiment
In order that technical problems, technical solutions and advantageous effects to be solved by the present invention are more clearly understood, below in conjunction with
Embodiment, the present invention will be described in further detail.It should be appreciated that specific embodiment described herein is only solving
The present invention is released, is not intended to limit the present invention.
On the one hand, the embodiments of the invention provide it is a kind of being capable of selfreparing and mechanical performance is excellent at ambient temperature
Self-healing polymers.The self-healing polymers are the copolymers by alkaline monomer and acid monomer, or by alkaline monomer and acid
The copolymer of property monomer and neutral monomer.Wherein, the mol ratio of alkaline monomer, acid monomer and the monomer of neutral monomer three is
(5-50)：(5-50)：(0-90), it is preferably (5-20)：(5-20)： (60-90).So, in the self-healing polymers monomer
Alkaline monomer and acid monomer between interaction form polymer itself reversible dynamic equilibrium so that it is described from
Rehabilitation polymer damage of material part can be rebuild at room temperature, and so as to realize selfreparing, and mechanical performance is excellent, and leads to
The ratio of each monomer is crossed, can be with flexible modulation mechanical performance.Neutral monomer adjusts the glass transition temperature of self-healing polymers
Degree, or perhaps adjust the soft or hard degree of self-healing polymers.
Wherein, in an embodiment, the alkaline monomer is dimethylaminoethyl acrylate methyl ammonia ethyl ester, methacrylic acid diethylamino
At least one of ethyl ester, 4-vinylpridine.In another embodiment, the acid monomer be acrylic acid, methacrylic acid,
At least one of 2- acrylamide-2-methylpro panesulfonic acids.In another embodiment, the neutral monomer is the positive fourth of acrylic acid
At least one of ester, ethyl acrylate, 1,4- dibutenes.By the selection to each monomeric species, so as to improve as alkaline single
Interaction between body and acid monomer forms the reversible dynamic equilibrium of polymer itself, improves the self-healing polymeric
Thing damage of material part rebuilds self-healing properties at room temperature, and improves mechanical performance.
In a particular embodiment, the alkaline monomer is dimethylaminoethyl acrylate methyl ammonia ethyl ester, and the acid monomer is propylene
Acid, the neutral monomer are n-butyl acrylate.In further embodiment, the dimethylaminoethyl acrylate methyl ammonia ethyl ester,
Acrylic acid, it is that the mol ratio of n-butyl acrylate is 10:10:79.9.The monomer of species and ratio is formed in the specific embodiment
Self-healing properties are strong at room temperature for polymer, and mechanical performance is more excellent.
Correspondingly, the embodiment of the present invention additionally provides a kind of preparation method on self-healing polymers described above.Should
Preparation method comprises the following steps：
Mol ratio according to alkaline monomer, acid monomer and the monomer of neutral monomer three is (5-50)：(5-50)：(0-90)
Ratio by the alkaline monomer, acid monomer, neutral monomer carry out thermal initiation or it is light-initiated under conditions of carry out polymerisation in solution
Or bulk polymerization.
Wherein, the species of the alkaline monomer in the above method, acid monomer and neutral monomer and mol ratio is preferably mixed
Example respectively the alkaline monomer as described in self-healing polymers above, acid monomer and neutral monomer species and preferably mix
Close molar ratio.In order to save length, will not be repeated here.
In above method step under the initiation of thermal initiation or light-initiated condition, monomer carry out polymerisation in solution or this
Body polymerisation, generate self-healing polymers.Wherein, in one embodiment, the condition of the thermal initiation is：Temperature is 50-70
Degree, time are 1-5 hours.In another embodiment, the light-initiated condition is wavelength 200-400nm, specific such as 365nm
UV irradiation.The polymerisation efficiency between monomer can be effectively improved by the initiation conditions, and improves self-healing polymers
Yield.
In addition, the solution in polymeric reaction solution polymerisation in the above method can be that conventional polymerisation in solution is anti-
Should used solvent.Should be to fill between each monomer no matter what is carried out is in solution polymerization or bulk polymerization
Divide mixing.In polymerization process, added with initiator, its initiator can be but be not limited only to 2- hydroxyls -4 ' -
At least one of (2- hydroxy ethoxies) -2- methyl phenyl ketones, 2,4- diethyl thiazolone, styrax methyl ether, draw above-mentioned
Cause polymerisation occurs between monomer under the conditions of hair.
Therefore, above-mentioned self-healing polymers preparation method by alkaline monomer and acid monomer and neutral monomer according to than
Example carries out polymerisation so that the self-healing polymers undamaged portion of preparation can be rebuild at room temperature, be reviewed one's lessons by oneself so as to realize
It is multiple, and mechanical performance is excellent.In addition, above-mentioned preparation method condition is easily-controllable, the self-healing polymers selfreparing prepared is enabled to
Stable performance, and production cost is low.
On the basis of another further aspect, self-healing polymers above and preparation method thereof, selfreparing as described above gathers
Compound has an excellent self-healing properties at room temperature, and mechanical performance is excellent.This improves what self-healing polymers were made to answer
With property, and its application is extended, such as in one embodiment, self-healing polymers described above can be in selfreparing intelligence
Application in energy material, coating material, flexible electronic base material.The stability of material is effectively improved, extends the use of material
Life-span, and reduce production cost.
In conjunction with instantiation, self-healing polymers of the embodiment of the present invention and preparation method thereof are carried out further detailed
Explanation.
Embodiment 1
The present embodiment provides a kind of self-healing polymers, and the self-healing polymers are by dimethylaminoethyl acrylate methyl ammonia second
The copolymer of ester, acrylic acid and n-butyl acrylate monomer.
Its preparation method is as follows：
With molar fraction, by 10 parts of dimethylaminoethyl acrylate methyl ammonia ethyl esters, 10 parts of acrylic acid, 79.9 parts of positive fourths of acrylic acid
Ester, 0.1 part of 2- hydroxyl -4 '-(2- hydroxy ethoxies) -2- methyl phenyl ketones are added in flask, and 30 points are stirred in nitrogen atmosphere
Clock, then it is transferred in mould, is reacted 1 hour under 365nm UV-LED irradiations, that is, obtain the self-healing polymers.Through
Measuring, the self-healing polymers tensile strength that embodiment 1 provides is 1.3MPa, and modulus is 1MPa, and elongation at break is 280%,
Self-repair efficiency is 85% with intensitometer.
Embodiment 2
The present embodiment provides a kind of self-healing polymers, and the self-healing polymers are by methacrylic acid diethylamino second
The copolymer of ester, methacrylic acid and the positive acetate monomer of acrylic acid.
Its preparation method is as follows：
With molar fraction, by 10 parts of methacrylic acid diethylamino ethyl esters, 15 parts of methacrylic acids, 74.9 parts of acrylic acid
Positive ethyl ester, 0.1 part of 2,4- diethyl thiazolone are added in flask, are stirred 30 minutes in nitrogen atmosphere, are then transferred to mould
In tool, reacted 1 hour under 365nm UV-LED irradiations, that is, obtain the self-healing polymers.What embodiment 2 provided reviews one's lessons by oneself
Multiple polymer tensile strength is 1.7MPa, and modulus is 1.4MPa, and elongation at break is 310%, and self-repair efficiency is with intensitometer
80%.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all essences in the present invention
All any modification, equivalent and improvement made within refreshing and principle etc., should be included in the scope of the protection.
Claims (10)
- A kind of 1. self-healing polymers, it is characterised in that：It is the copolymer by alkaline monomer and acid monomer, or by alkaline monomer With acid monomer and the copolymer of neutral monomer；Wherein, the mol ratio of alkaline monomer, acid monomer and the monomer of neutral monomer three For (5-50)：(5-50)：(0-90).
- 2. self-healing polymers according to claim 1, it is characterised in that：The alkaline monomer is dimethylaminoethyl acrylate methyl At least one of ammonia ethyl ester, methacrylic acid diethylamino ethyl ester, 4-vinylpridine.
- 3. self-healing polymers according to claim 1, it is characterised in that：The acid monomer is acrylic acid, methyl-prop At least one of olefin(e) acid, 2- acrylamide-2-methylpro panesulfonic acids.
- 4. self-healing polymers according to claim 1, it is characterised in that：The neutral monomer be n-butyl acrylate, At least one of ethyl acrylate, 1,4- dibutenes.
- 5. self-healing polymers according to claim 1, it is characterised in that：The alkaline monomer is dimethylaminoethyl acrylate methyl Ammonia ethyl ester, the acid monomer are acrylic acid, and the neutral monomer is n-butyl acrylate.
- 6. self-healing polymers according to claim 5, it is characterised in that：The dimethylaminoethyl acrylate methyl ammonia ethyl ester, third Olefin(e) acid, it is that the mol ratio of n-butyl acrylate is 10:10:79.9.
- 7. a kind of preparation method of self-healing polymers, comprises the following steps：Mol ratio according to alkaline monomer, acid monomer and the monomer of neutral monomer three is (5-50)：(5-50)：The ratio of (0-90) By the alkaline monomer, acid monomer, neutral monomer carry out thermal initiation or it is light-initiated under conditions of carry out polymerisation in solution or body Polymerisation.
- 8. preparation method according to claim 1, it is characterised in that：The alkaline monomer is dimethylaminoethyl acrylate methyl ammonia second At least one of ester, methacrylic acid diethylamino ethyl ester, 4-vinylpridine；And/orThe acid monomer is at least one of acrylic acid, methacrylic acid, 2- acrylamide-2-methylpro panesulfonic acids；With/ OrThe neutral monomer is at least one of n-butyl acrylate, ethyl acrylate, 1,4- dibutenes.
- 9. the preparation method according to claim 7 or 8, it is characterised in that：The condition of the thermal initiation is：Temperature 50-70 Degree, time may I ask 1-5 hours；And/orThe light-initiated condition is the UV irradiations that wavelength is 200-400nm.
- 10. according to any described self-healing polymers of claim 1-6 or by any preparation method systems of claim 7-9 Application of the preparation method of standby self-healing polymers in selfreparing intellectual material, coating material, flexible electronic base material.
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655604A (en) * | 2019-10-31 | 2020-01-07 | 深圳大学 | Physical hydrogel and preparation method thereof |
| CN113583559A (en) * | 2021-08-13 | 2021-11-02 | 江苏图研新材料科技有限公司 | Self-repairing coating paint, preparation method thereof, coating, film and device |
| CN113969031A (en) * | 2021-12-01 | 2022-01-25 | 中国核动力研究设计院 | High-performance damping rubber and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110655604A (en) * | 2019-10-31 | 2020-01-07 | 深圳大学 | Physical hydrogel and preparation method thereof |
| WO2021082257A1 (en) * | 2019-10-31 | 2021-05-06 | 深圳大学 | Physical hydrogel and preparation method thereof |
| CN113583559A (en) * | 2021-08-13 | 2021-11-02 | 江苏图研新材料科技有限公司 | Self-repairing coating paint, preparation method thereof, coating, film and device |
| CN113583559B (en) * | 2021-08-13 | 2022-07-29 | 江苏图研新材料科技有限公司 | Self-repairing coating paint, preparation method thereof, coating, film and device |
| CN113969031A (en) * | 2021-12-01 | 2022-01-25 | 中国核动力研究设计院 | High-performance damping rubber and preparation method thereof |
| CN113969031B (en) * | 2021-12-01 | 2022-11-01 | 中国核动力研究设计院 | High-performance damping rubber and preparation method thereof |
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| CN107383267B (en) | 2019-10-08 |
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