CN109776345A - A kind of photo-curing monomer and preparation method thereof containing active amine structure - Google Patents

A kind of photo-curing monomer and preparation method thereof containing active amine structure Download PDF

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Publication number
CN109776345A
CN109776345A CN201910062269.5A CN201910062269A CN109776345A CN 109776345 A CN109776345 A CN 109776345A CN 201910062269 A CN201910062269 A CN 201910062269A CN 109776345 A CN109776345 A CN 109776345A
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China
Prior art keywords
containing active
amine structure
preparation
polymerization monomer
photo polymerization
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CN201910062269.5A
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Inventor
聂俊
李三保
朱晓群
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Anqing North China University Of Science And Technology Co Ltd
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Anqing North China University Of Science And Technology Co Ltd
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Priority to CN201910062269.5A priority Critical patent/CN109776345A/en
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Abstract

The problem of present invention discloses a kind of photo polymerization monomer containing active amine structure, is related to synthesis of polymer material field, is migrated easily from solidify coating based on initiator in existing photocuring system and propose, with following chemical structural formula:

Description

A kind of photo-curing monomer and preparation method thereof containing active amine structure
Technical field
The present invention relates to synthesis of polymer material fields, and in particular to a kind of photo-curing monomer containing active amine structure and Preparation method.
Background technique
The volatile organic compounds (VOC) being emitted into atmosphere can pass through the chemical and photochemical of complexity with gases such as NOx Act on forming ozone, photochemical fog etc..In recent years, the VOC emission amount in China is continuously increased, this seriously endangers the strong of the mankind Health and ecological environment security.In order to promote energy conservation and environmental protection, develop low VOC coatings.Photocureable coating is a kind of with photocuring activity Diluent is the coating system of solvent, participates in curing reaction using polymerizable monomer to avoid VOC emission.
Photopolymer System is mainly grouped as by following three kinds of groups: (1) oligomer (prepolymer): one kind containing photocuring reaction The photoresist of group (such as C=C double bond, epoxy group), is the basic resin of photocurable formulation, can determine cured article Basic performance;(2) monomer (reactive diluent): one kind for adjust photocuring system viscosity have carbon carbon unsaturated double-bond Compound, the most frequently used is the monomer of the groups such as (methyl) acryloxy containing vinyl, allyl;(3) photoinitiator: One kind generates the compound that can trigger the reactive species of monomer polymerization after the light for absorbing certain wavelength.
For free mafic Photopolymer System, radical photoinitiator can be divided into cracking type free radical photo-initiation (I type of Norrish) and hydrogen-abstraction free radical photo-initiation (II type of Norrish).II type photoinitiator of Norrish is absorbing luminous energy Afterwards, from ground state transition to excitation state, meanwhile, bimolecular effect occurs with aided initiating, is turned by hydrogen abstraction reaction or electronics/proton The mode of shifting forms living radical.
Initiator is easily migrated from solidify coating in existing photocuring system, causes the dirt with the sample of coating layer touch Dye, and the problem of oxygen inhibition easily occurs in Light Curing, influence the surface property of coating after photocuring.
Summary of the invention
The problem to be solved by the present invention is that initiator migrates analysis easily from solidify coating in existing photocuring system Out.
The present invention adopts the following technical solutions solves above-mentioned technical problem:
A kind of photo polymerization monomer containing active amine structure, with following chemical structural formula:
Wherein R1For one of alkoxy, alkyl, benzyl, heterocycle.
Preferably, the photo polymerization monomer containing active amine structure, chemical structural formula are one in following structural formula Kind:
The present invention also provides a kind of preparation methods of photo polymerization monomer containing active amine structure, comprising the following steps:
(1) using glycidyl methacrylate as major ingredient, auxiliary agent is added, mixing is added acrylic acid, obtains reactant System;
(2) secondary amine is added into the reaction system of step (1), is reacted;
(3) after reacting, cooling is dried to obtain product.
Preferably, the auxiliary agent in the step (1) is catalyst and polymerization inhibitor.
Preferably, the catalyst in the step (1) is tetramethyl ammonium chloride, in tetrabutylammonium bromide, triphenyl phosphorus It is one or two kinds of.
Preferably, the additional amount of the catalyst is the 1- of glycidyl methacrylate and acrylic acid gross mass 3wt%.
Preferably, the polymerization inhibitor in the step (1) is hydroxyanisol.
Preferably, in the step (1) polymerization inhibitor additional amount be reaction system gross mass 0.1-0.5wt%.
Preferably, the reaction temperature in the step (1) is 90-110 DEG C, reaction time 4-5h.
Preferably, secondary amine is added dropwise into the reaction system of step (1), the rate of addition of the secondary amine is 10-30g/min.
Preferably, the secondary amine is one of diethanol amine, diethylamide, N- methylbenzylamine, morpholine.
Preferably, the molar ratio of the secondary amine and acrylic acid is 1:1.
The beneficial effects of the present invention are:
(1) by acrylic acid and glycidyl methacrylate ring-opening reaction, acrylate and methacrylic acid are utilized The difference of ester double bond reactivity is added reactive amines and reacts with acrylic double bond, preparation contains by Michael addition reaction There are the photo-curing monomer of active amine structure the active reactive amines of photocuring may participate in solidification process, molecular structure after solidification It is connected in converging network, can avoid the migration of small molecule compound, prevent from adversely affecting photocuring system;
(2) amine structure is introduced into polymerization system, can obtain certain resistance to the oxygen inhibiting polymerization performance, to obtain preferable table Face curing performance makes the initiator of cured film have low toxicity at the same time as the aided initiating of hydrogen-abstraction initiator system, low to move Shifting property;
(3) reaction process is simple, and process conditions are easily controllable.
Specific embodiment
The present invention is described in further details below with reference to embodiment.
Test material and reagent as used in the following examples etc., unless otherwise specified, commercially obtain.
Embodiment 1
The reaction equation of photo polymerization monomer preparation process containing reactive amines is as follows:
Embodiment 2
A kind of preparation method of the photo polymerization monomer containing active amine structure, comprising the following steps:
(1) glycidyl methacrylate 64g is weighed, tetramethyl ammonium chloride 3.0g, hydroxyanisol 0.1g is added, in In three-necked flask, stirring is warming up to 90 DEG C, and acrylic acid 37.8g is added dropwise into reaction system using constant pressure funnel, drips Acid value is tested after Bi Hou, the reaction was continued 4h, when acid value is less than 10mg KOH/g, stops reaction;
(2) after cooling, in ice bath, diethanol amine 55g is added dropwise into reaction system, after being added dropwise, is warming up to 60 DEG C, The reaction was continued 2h;
(3) after reaction, it is cooled to room temperature, product is washed with deionized 2-3 times, then is water-soluble with 1wt%NaOH Liquid washs 2-3 times, is finally washed with deionized to neutrality, is transferred in beaker, suitable anhydrous sodium sulfate is added, dry For 24 hours, it filters to get the propenoic acid ester photocureable monomer containing reactive amines is arrived.
The chemical structural formula of the monomer is as follows:
Embodiment 3
(1) glycidyl methacrylate 64g is weighed, tetrabutylammonium bromide 1.2g, hydroxyanisol 0.5g is added, in In three-necked flask, stirring is warming up to 110 DEG C, and acrylic acid 43.2g is added dropwise into reaction system using constant pressure funnel, drips Acid value is tested after Bi Hou, the reaction was continued 4h, when acid value is less than 10mgKOH/g, stops reaction;
(2) under condition of ice bath, diethanol amine 63g is added dropwise into reaction system, after being added dropwise, is warming up to 80 DEG C, after Continuous reaction 2h;
(3) after reaction, it is cooled to room temperature, product is washed with deionized 2-3 times, then is water-soluble with 1wt%NaOH Liquid washs 2-3 times, is finally washed with deionized to neutrality, is transferred in beaker, suitable anhydrous sodium sulfate is added, dry For 24 hours, it filters to get the propenoic acid ester photocureable monomer containing reactive amines is arrived.
The chemical structural formula of the monomer is as follows:
Embodiment 4
(1) glycidyl methacrylate 64g is weighed, tetramethyl ammonium chloride 2.5g, hydroxyanisol 0.3g is added, in In three-necked flask, stirring is warming up to 100 DEG C, and acrylic acid 39.6g is added dropwise into reaction system using constant pressure funnel, drips Acid value is tested after Bi Hou, the reaction was continued 4h, when acid value is less than 10mg KOH/g, stops reaction;
(2) under condition of ice bath, diethylamide 39g is added dropwise into reaction system, after being added dropwise, is warming up to 60 DEG C, after Continuous reaction 2h;
(3) after reaction, it is cooled to room temperature, product is washed with deionized 2-3 times, then is water-soluble with 1wt%NaOH Liquid washs 2-3 times, is finally washed with deionized to neutrality, is transferred in beaker, suitable anhydrous sodium sulfate is added, dry For 24 hours, it filters to get the propenoic acid ester photocureable monomer containing reactive amines is arrived.
The chemical structural formula of the monomer is as follows:
Embodiment 5
(1) glycidyl methacrylate 64g is weighed, triphenyl phosphorus 1.5g, hydroxyanisol 0.5g, Yu Sankou is added In flask, stirring is warming up to 110 DEG C, and acrylic acid 37.8g is added dropwise into reaction system using constant pressure funnel, is added dropwise Afterwards, acid value is tested after the reaction was continued 4h, when acid value is less than 10mgKOH/g, stops reaction;
(2) under condition of ice bath, diethanol amine 25.4g is added dropwise into reaction system, after being added dropwise, is warming up to 70 DEG C, The reaction was continued 2h;
(3) after reaction, it is cooled to room temperature, product is washed with deionized 2-3 times, then is water-soluble with 1wt%NaOH Liquid washs 2-3 times, is finally washed with deionized to neutrality, is transferred in beaker, suitable anhydrous sodium sulfate is added, dry For 24 hours, it filters to get the propenoic acid ester photocureable monomer containing reactive amines is arrived.
The chemical structural formula of the monomer is as follows:
Embodiment 6
(1) glycidyl methacrylate 64g is weighed, tetramethyl ammonium chloride 2.0g, hydroxyanisol 0.3g is added, in In three-necked flask, stirring is warming up to 100 DEG C, and acrylic acid 37.8g is added dropwise into reaction system using constant pressure funnel, drips After Bi Hou, the reaction was continued 4h, acid value is tested, when acid value is less than 10mgKOH/g, stops reaction;
(2) under condition of ice bath, morpholine 45.6g is added dropwise into reaction system, after being added dropwise, is warming up to 70 DEG C, continues React 2h;
(3) after reaction, it is washed with deionized 2-3 times in separatory funnel, then washs 2- with 1wt%NaOH aqueous solution It 3 times, is finally washed with deionized to neutrality, is transferred in beaker, suitable anhydrous sodium sulfate is added, it is dry to filter for 24 hours, Obtain the propenoic acid ester photocureable monomer containing reactive amines.
The chemical structural formula of the monomer is as follows:
Embodiment 7
(1) glycidyl methacrylate 64g is weighed, tetramethyl ammonium chloride 3.0g, hydroxyanisol 0.1g is added, in In three-necked flask, stirring is warming up to 90 DEG C, and acrylic acid 39.6g is added dropwise into reaction system using constant pressure funnel, drips Acid value is tested after Bi Hou, the reaction was continued 4h, when acid value is less than 10mgKOH/g, stops reaction;
(2) under condition of ice bath, diethylamine 39g is added dropwise into reaction system, after being added dropwise, is warming up to 70 DEG C, continues anti- Answer 2h;
(3) after reaction, it is cooled to room temperature, product is washed with deionized 2-3 times, then with 1wt%NaOH aqueous solution Washing 2-3 times, is finally washed with deionized to neutrality, is transferred in beaker, and suitable anhydrous sodium sulfate is added, and dries for 24 hours, It filters to get the propenoic acid ester photocureable monomer containing reactive amines is arrived.
The chemical structural formula of the monomer is as follows:
Embodiment 8
(1) glycidyl methacrylate 64g is weighed, tetramethyl ammonium chloride 3.0g, hydroxyanisol 0.1g is added, in In three-necked flask, stirring is warming up to 90 DEG C, and acrylic acid 39.6g is added dropwise into reaction system using constant pressure funnel, drips Acid value is tested after Bi Hou, the reaction was continued 4h, when acid value is less than 10mg KOH/g, stops reaction;
(2) under condition of ice bath, N- methylbenzylamine 39g is added dropwise into reaction system, after being added dropwise, is warming up to 70 DEG C, after Continuous reaction 2h;
(3) after reaction, it is cooled to room temperature, product is washed with deionized 2-3 times, then with 1wt%NaOH aqueous solution Washing 2-3 times, is finally washed with deionized to neutrality, is transferred in beaker, and suitable anhydrous sodium sulfate is added, and dries for 24 hours, It filters to get the propenoic acid ester photocureable monomer containing reactive amines is arrived.
The chemical structural formula of the monomer is as follows:
The above is only the preferred embodiment of the present invention, protection scope of the present invention is not limited merely to above-described embodiment, It is within the scope of the invention with present inventive concept without the various process programs of substantial differences.

Claims (10)

1. a kind of photo polymerization monomer containing active amine structure, it is characterised in that: have following chemical structural formula:
Wherein R1For one of alkoxy, alkyl, benzyl, heterocycle.
2. the photo polymerization monomer according to claim 1 containing active amine structure, it is characterised in that: its chemical structural formula is One of following structural formula:
3. a kind of preparation method for preparing the photo polymerization monomer as described in claim 1 containing active amine structure, feature exist In: the following steps are included:
(1) using glycidyl methacrylate as major ingredient, auxiliary agent is added, mixing is added acrylic acid, obtains reaction system;
(2) secondary amine is added into the reaction system of step (1), is reacted;
(3) after reacting, cooling is dried to obtain product.
4. the preparation method of the photo polymerization monomer according to claim 3 containing active amine structure, it is characterised in that: described Auxiliary agent in step (1) is catalyst and polymerization inhibitor.
5. the preparation method of the photo polymerization monomer according to claim 4 containing active amine structure, it is characterised in that: described Catalyst in step (1) is one or both of tetramethyl ammonium chloride, tetrabutylammonium bromide, triphenyl phosphorus.
6. the preparation method of the photo polymerization monomer according to claim 4 containing active amine structure, it is characterised in that: described Polymerization inhibitor in step (1) is hydroxyanisol.
7. the preparation method of the photo polymerization monomer according to claim 3 containing active amine structure, it is characterised in that: described Reaction temperature in step (1) is 90-110 DEG C, reaction time 4-5h.
8. the preparation method of the photo polymerization monomer according to claim 3 containing active amine structure, it is characterised in that: Xiang Bu Suddenly secondary amine is added dropwise in the reaction system of (1), the rate of addition of the secondary amine is 10-30g/min.
9. the preparation method of the photo polymerization monomer according to claim 3 containing active amine structure, it is characterised in that: described Secondary amine is one of diethanol amine, diethylamide, N- methylbenzylamine, morpholine.
10. the preparation method of the photo polymerization monomer according to claim 3 containing active amine structure, it is characterised in that: institute The molar ratio for stating secondary amine and acrylic acid is 1:1.
CN201910062269.5A 2019-01-23 2019-01-23 A kind of photo-curing monomer and preparation method thereof containing active amine structure Pending CN109776345A (en)

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112830982A (en) * 2020-12-31 2021-05-25 天津久日新材料股份有限公司 Amine co-initiator and preparation method and application thereof
CN114292183A (en) * 2021-12-29 2022-04-08 徐州博康信息化学品有限公司 Preparation method of photoresist resin monomer containing hydroxyl structure
CN114672127A (en) * 2021-12-28 2022-06-28 深圳市纵维立方科技有限公司 Resin composite material and method for producing same

Citations (1)

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CN103958460A (en) * 2011-10-05 2014-07-30 阿克马法国公司 Polyhydroxyl - substituted amino compounds, polymers containing, and their use

Patent Citations (1)

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CN103958460A (en) * 2011-10-05 2014-07-30 阿克马法国公司 Polyhydroxyl - substituted amino compounds, polymers containing, and their use

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Cited By (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN112830982A (en) * 2020-12-31 2021-05-25 天津久日新材料股份有限公司 Amine co-initiator and preparation method and application thereof
CN112830982B (en) * 2020-12-31 2023-05-12 天津久日新材料股份有限公司 Amine assisted initiator and preparation method and application thereof
CN114672127A (en) * 2021-12-28 2022-06-28 深圳市纵维立方科技有限公司 Resin composite material and method for producing same
CN114292183A (en) * 2021-12-29 2022-04-08 徐州博康信息化学品有限公司 Preparation method of photoresist resin monomer containing hydroxyl structure

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