CN109734678A - A kind of s-triazine structure containing triaryl and the armaticity binary primary amine of ehter bond and preparation method thereof - Google Patents

A kind of s-triazine structure containing triaryl and the armaticity binary primary amine of ehter bond and preparation method thereof Download PDF

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CN109734678A
CN109734678A CN201910132317.3A CN201910132317A CN109734678A CN 109734678 A CN109734678 A CN 109734678A CN 201910132317 A CN201910132317 A CN 201910132317A CN 109734678 A CN109734678 A CN 109734678A
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formula
alkyl
triazine
armaticity
primary amine
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蹇锡高
宗立率
王锦艳
刘程
张守海
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Dalian University of Technology
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    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D251/00—Heterocyclic compounds containing 1,3,5-triazine rings
    • C07D251/02—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings
    • C07D251/12—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members
    • C07D251/14—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom
    • C07D251/24—Heterocyclic compounds containing 1,3,5-triazine rings not condensed with other rings having three double bonds between ring members or between ring members and non-ring members with hydrogen or carbon atoms directly attached to at least one ring carbon atom to three ring carbon atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G59/00—Polycondensates containing more than one epoxy group per molecule; Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups
    • C08G59/18—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing
    • C08G59/40—Macromolecules obtained by polymerising compounds containing more than one epoxy group per molecule using curing agents or catalysts which react with the epoxy groups ; e.g. general methods of curing characterised by the curing agents used
    • C08G59/50—Amines
    • C08G59/5046—Amines heterocyclic
    • C08G59/5053—Amines heterocyclic containing only nitrogen as a heteroatom
    • C08G59/508—Amines heterocyclic containing only nitrogen as a heteroatom having three nitrogen atoms in the ring
    • C08G59/5086—Triazines; Melamines; Guanamines
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/0622—Polycondensates containing six-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms
    • C08G73/0638—Polycondensates containing six-membered rings, not condensed with other rings, with nitrogen atoms as the only ring hetero atoms with at least three nitrogen atoms in the ring
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G73/00—Macromolecular compounds obtained by reactions forming a linkage containing nitrogen with or without oxygen or carbon in the main chain of the macromolecule, not provided for in groups C08G12/00 - C08G71/00
    • C08G73/06—Polycondensates having nitrogen-containing heterocyclic rings in the main chain of the macromolecule
    • C08G73/10—Polyimides; Polyester-imides; Polyamide-imides; Polyamide acids or similar polyimide precursors
    • C08G73/1085—Polyimides with diamino moieties or tetracarboxylic segments containing heterocyclic moieties

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  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
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  • Polymers & Plastics (AREA)
  • Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)

Abstract

The invention discloses a kind of s-triazine structures containing triaryl and the armaticity binary primary amine of ehter bond and preparation method thereof, belong to compound synthesis technical field.The armaticity binary primary amine of s-triazine structure containing triaryl and ehter bond, with the structural formula as shown in formula (I), preparation method is as follows: will the s-triazine containing triaryl as shown in formula (II) double halogen compound and the p-aminophenyl phenols compound as shown in formula (III) carry out nucleophilic substitution, reaction product obtains the armaticity binary primary amine of s-triazine structure containing triaryl and ehter bond using filter, washing, drying process.Contain high rigidity, high thermal stability and highly polar triaryl s-triazine structure in the armaticity binary primary amine structure of s-triazine structure containing triaryl and ehter bond of the invention, the monomer for using it as synthesizing polyamides, polyimides and benzoxazine resin can effectively improve material thermal resistance, mechanical property, while reduce the dielectric loss and water absorption rate of material.

Description

Armaticity binary primary amine and its preparation of a kind of s-triazine structure containing triaryl and ehter bond Method
The application be the applying date be on November 03rd, 2016, application No. is 201610955195.4, it is entitled " a kind of The divisional application of the patent application of s-triazine structure containing triaryl and the armaticity binary primary amine of ehter bond and preparation method thereof ".
Technical field
The invention belongs to compound synthesis technical field, be related to a kind of Striazine derivative and preparation method thereof, it is specific and Speech is related to a kind of s-triazine structure containing triaryl and armaticity binary primary amine of ehter bond and preparation method thereof.
Background technique
Armaticity binary primary amine is synthesizing polyamides, polyimides, one of the important source material of benzoxazine resin and ring The Common Curing Agents of oxygen resin, o-phthalonitrile resin.Common fragrance binary primary amine mainly includes diaminodiphenylsulfone (thermal decomposition 280 DEG C of temperature, 175~181 DEG C of fusing point), diaminodiphenyl ether (246 DEG C of thermal decomposition temperature, 190~193 DEG C of fusing point) and diamino Base diphenyl-methane (242 DEG C of thermal decomposition temperature, 89~90 DEG C of fusing point) etc..But since these three diamines easily distil, easily in high temperature Under the conditions of escape system, cause the defect of material internal, influence using.Simultaneously as the thermal decomposition temperature of these three diamines is low, Limit the use temperature of corresponding product.Therefore, researchers have been devoted to new structure armaticity binary primary amine Exploitation.When containing ehter bond in binary primary amine structure, the polyamide of synthesis and the easy of polyimides have dissolubility and thermoplasticity Good feature.The Keller et al. in NASA naval, U.S. research center, using two [4- (4- amino-benzene oxygen) benzene of ether-containing key Base] sulfone and 1,3- bis- (3- amino-benzene oxygen) two kind of two amine curing o-phthalonitrile resin of benzene, resin be provided simultaneously with it is good plus Work performance, heat resistance and mechanical tenacity.Therefore, the diamines of all kinds of ether-containing keys is synthesized in succession, and is applied to new material Field.However, causing the glass transition temperature of polymer and thermal decomposition temperature to decline to a certain extent since ehter bond flexibility is larger. In order to improve materials'use temperature, in line with the new structural purpose of armaticity binary primary amine is explored, the present invention is by aryl s-triazine Structure is introduced into binary primary amine structure, is developed in a kind of structure containing high rigidity, high thermal stability and highly polar fragrance Binary primary amine uses it as the monomer of synthesizing polyamides, polyimides and benzoxazine resin and as phthalonitrile The curing agent of resin and epoxy resin can effectively improve material thermal resistance, mechanical property, while reduce the dielectric damage of material Consumption and water absorption rate.
Summary of the invention
In view of the deficiencies of the prior art, the purpose of the present invention is to provide a kind of s-triazine structure containing triaryl and ehter bonds Armaticity binary primary amine and preparation method thereof.
The purpose of the present invention is what is be achieved through the following technical solutions:
The armaticity binary primary amine of a kind of s-triazine structure containing triaryl and ehter bond, the armaticity binary primary amine have such as Structural formula shown in formula (I):
In the formula (I): R1、R2、R3、R4、R5For hydrogen, the alkyl of C1-C10, fluoro-alkyl, chloro alkyl, fat-based, virtue One of perfume base group, halogen and sulfonic group, R1、R2、R3、 R4、R5It is identical or different.
In the armaticity binary primary amine of above-mentioned s-triazine structure containing triaryl and ehter bond, as a kind of preferred implementation side Formula, the R1、R2、R3、R4、R5It is hydrogen.
The preparation method of the armaticity binary primary amine of above-mentioned s-triazine structure containing triaryl and ehter bond, will be as shown in formula (II) The s-triazine containing triaryl double halogen compound and the p-aminophenyl phenols compound as shown in formula (III) carry out nucleophilic displacement of fluorine it is anti- It answers, reaction product obtains the virtue of s-triazine structure containing triaryl shown in formula (I) and ehter bond using filter, washing, drying process Fragrance binary primary amine；
Wherein, one of X F, Cl, Br and I, R1、R2、R3With R in formula (I)1、R2、R3It is identical；
Wherein, R4、R5With the R in formula (I)4、R5It is identical.
In the above preparation method, the nucleophilic substitution is specific as follows as a preferred implementation manner:
Step 1 mixes the p-aminophenyl phenols compound as shown in formula (III) and base catalyst, solvent and dehydrating agent, It carries out under an inert atmosphere back flow reaction 0.5-8.0h (such as: 1.0h, 2.0h, 3.0h, 4.0h, 5.0h, 6.0h, 7.0h)；
Step 2, addition is as shown in formula (II) after back flow reaction product is cooled to room temperature containing triaryl s-triazine Double halogen compound then heats to 130-200 DEG C (such as: 140 DEG C, 150 DEG C, 160 DEG C, 170 DEG C, 180 DEG C, 190 DEG C) reaction 0.5-12h (such as: 1.0h, 2.0h, 3.0h, 4.0h, 5.0h, 6.0h, 7.0h, 8.0h, 9.0h, 10.0h, 11.0h).
In the above preparation method, as a preferred implementation manner, in said step 1, the reflux time For 2h.
In the above preparation method, as a preferred implementation manner, in the step 2, reaction temperature is 150 DEG C, Time is 4h.
In the above preparation method, described as a preferred implementation manner, to contain triaryl equal three as shown in formula (II) The molar ratio of the double halogen compound of piperazine and the p-aminophenyl phenols compound as shown in formula (III) be 1:2~2.5 (such as: 1: 2.1、1:2.2、1:2.3、1:2.4)。
In the above preparation method, as a preferred implementation manner, in said step 1, described as shown in formula (III) P-aminophenyl phenols compound and the base catalyst molar ratio be 1.0:0.1-5 (such as: 1:0.2,1:0.5,1:1, 1:2,1:3,1:4).It is highly preferred that the molar ratio of p-aminophenyl phenols compound and the base catalyst as shown in formula (III) For 1:(0.5-2.6).
In the above preparation method, as a preferred implementation manner, in said step 1, the solvent is dimethyl One of sulfoxide, sulfolane, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide, N- methyl pyrrolidone, diphenyl sulphone (DPS) Or it is several；Preferably, the solvent usage is (0.1-100.0) milliliter solvent/gram s-triazine containing triaryl double halogen compound (such as 0.5mL/g, 1mL/g, 10mL/g, 20mL/g, 30mL/g, 40mL/g, 50mL/g, 60mL/g, 70mL/g, 80mL/g, 90mL/g、 99mL/g)。
In the above preparation method, as a preferred implementation manner, in said step 1, the dehydrating agent be benzene, One or more of toluene, dimethylbenzene, chlorobenzene；Preferably, the volume ratio of the solvent and the dehydrating agent is 0.1- 100.0:1 (such as 0.5:1,1:1,10:1,20:1,30:1,40:1,50:1,60:1,70:1,80:1,90:1,95:1,99: 1)。
In the above preparation method, as a preferred implementation manner, in said step 1, the base catalyst is hydrogen Change one or more of sodium, hydrofining, sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate, cesium carbonate.
In the above preparation method, the inert atmosphere is nitrogen atmosphere and/or argon gas as a preferred implementation manner, Atmosphere.
It in the above preparation method, further include as a preferred implementation manner, at recrystallization after the drying process Reason；Preferably, the recrystallization processing uses ethylene glycol monomethyl ether, dioxane, thiacyclohexane, toluene or dimethylbenzene.
Compared with prior art, the invention has the benefit that
1, the armaticity binary primary amine of s-triazine structure containing triaryl and ehter bond of the invention is contained in a kind of molecular structure There is the aromatic dicarboxylic primary amine class of ehter bond to synthesize when containing ehter bond in structure using armaticity binary primary amine of the invention Polyamide and polyimides have the characteristics that dissolubility and thermoplasticity are good.Therefore, s-triazine structure containing triaryl of the invention And the armaticity binary primary amine of ehter bond synthesized high-performance heat resistant polyamide, polyimides, in terms of have Have broad application prospects.
2, contain high rigidity, height in the armaticity binary primary amine structure of s-triazine structure containing triaryl and ehter bond of the invention Thermal stability and highly polar triaryl s-triazine structure, use it as synthesizing polyamides, polyimides and benzoxazine tree The monomer of rouge can effectively improve material thermal resistance, mechanical property, while reduce the dielectric loss and water absorption rate of material.
3, the armaticity binary primary amine of s-triazine structure containing triaryl and ehter bond of the invention can be used as epoxy resin and The curing agent of o-phthalonitrile resin uses, and can effectively improve material thermal resistance, mechanical property, while reducing Jie of material Electrical loss and water absorption rate.
4, the boiling point of the armaticity binary primary amine of s-triazine structure containing triaryl and ehter bond of the invention is higher, is not easy to rise China.When preparing other materials as reaction raw materials, internal flaw can be generated, less to improve the mechanical performance of material.
5, preparation method reaction process of the invention is mildly easy to control, almost without side reaction, product yield and purity compared with It is high；Product postprocessing is convenient, and mother liquor can be recycled.
Detailed description of the invention
Fig. 1 is the DSC curve of 1 product of embodiment.
Fig. 2 is the FT-IR infrared spectrogram of 1 product of embodiment.
Fig. 3 is 1 product of embodiment1H-NMR spectrum.
Specific embodiment
The present invention provides the armaticity binary primary amine of s-triazine structure containing triaryl and ehter bond, has shown in following formula (I) Structural formula:
In structural formula shown in above-mentioned formula (I): R1、R2、R3、R4、R5For hydrogen, the alkyl of C1-C10, fluoro-alkyl, alkyl chloride One of base, fat-based, aromatic group, halogen and sulfonic group, R1、R2、R3、R4、R5It is identical or different.Preferably, R1、R2、 R3、R4、R5When being-H group, the resultant effect of the armaticity binary primary amine of obtained s-triazine structure containing triaryl and ehter bond Preferably, i.e. the armaticity binary primary amine of s-triazine structure containing triaryl and ehter bond, [4- (the 4- aminobenzene oxygen of preferably 2,4- bis- Base) phenyl] -6- phenyl -1,3,5- triaizine compounds.
Specifically, R1、R2、R3、R4、R5It can be chosen in following groups.
Work as R1、R2、R3、R4、R5When for alkyl: can be the straight chain and branch chain type alkyl that carbon atom number is 1~10, such as first Base, ethyl, isopropyl or tert-butyl etc..
Work as R1、R2、R3、R4、R5When for fluoro-alkyl: can be the straight chain and branched chain type fluoro that carbon atom number is 1~10 Alkyl, such as trifluoromethyl, pentafluoroethyl group, perfluoroisopropyl.
Work as R1、R2、R3、R4、R5When for chloro alkyl: can be the straight chain and branched chain type fluoro that carbon atom number is 1~10 Alkyl, such as trichloromethyl, perchloro- isopropyl, chloro methylene.
Work as R1、R2、R3、R4、R5When for aromatic group: can be the aromatic group etc. containing phenyl ring or other aromatic rings, such as benzene Base, naphthalene, quinoline woods base etc..
The armaticity binary primary amine of above-mentioned s-triazine structure containing triaryl and ehter bond the preparation method is as follows: will be such as following formula (II) double halogen compound of the s-triazine containing triaryl shown in and the p-aminophenyl phenols compound as shown in following formula (III) carry out Nucleophilic substitution, reaction product obtain s-triazine structure containing triaryl shown in formula (I) using filter, washing, drying process And the armaticity binary primary amine of ehter bond；
Wherein, one of X F, Cl, Br and I, R1、R2、R3With R in formula (I)1、R2、R3It is identical；Formula (II) is that -1,3,5 triazine of 2,4- bis- (4- fluorine/chlorine bromine/iodophenyl) -6- phenyl (is write a Chinese character in simplified form Are as follows: BXPT) or derivatives thereof.
Wherein, R4、R5With the R in formula (I)4、R5It is identical.
The chemical equation of preparation method of the present invention is as follows:
Base is base catalyst in above-mentioned reaction equation, and solvent is solvent.
The preparation method of the armaticity binary primary amine of above-mentioned s-triazine structure containing triaryl and ehter bond specifically successively include with Lower step:
Step 1: by p-aminophenyl phenols compound structure as shown in formula (III) (i.e. amine source) and base catalyst (the two Molar ratio is 1.0:(0.1-5.0)), solvent, dehydrating agent be added sequentially to water segregator, blender, thermometer and indifferent gas Back flow reaction 0.5-8.0 hours in the reaction kettle of atmosphere (preferably nitrogen or argon gas) ingress pipe, the reaction time is preferably 2 hours, Isolate dehydrating agent.On the one hand generation is reacted with highly basic (such as sodium hydride, hydrofining etc.) due to p-aminophenyl phenols compound Water can cause side reaction to increase with phenol oxonium salt competitive reaction；On the other hand, few by containing in used amine source, alkali and solvent The water of amount can also participate in reacting, and side reaction is caused to increase；Therefore on the one hand the main function of step 1 is activation phenolic hydroxyl group, another Aspect is the water removed in reaction system, to reduce the progress of side reaction.
Step 2: being again cooled to room temperature reaction kettle, double halogen compound (i.e. formula (II) institute of the s-triazine containing triaryl is added Show the compound of structure), it is warming up to 130-200 DEG C of reaction 0.5-12 hours.Preferably, reaction temperature is 150 DEG C, the time 4 Hour.
Step 3: reactant submerged, filtration washing vacuum drying, obtain brown s-triazine structure containing triaryl and The armaticity binary primary amine (i.e. the compound of structure shown in formula (I)) of ehter bond；Its molar yield can reach 90-99%, and purity can Reach 97.0-99.9%.
Preferably, this contain triaryl s-triazine double halogen compound be 2,4- bis- (4- fluorophenyl) -6- phenyl -1,3,5 three Piperazine (is write a Chinese character in simplified form are as follows: BFPT)；The BFPT is prepared according to the method recorded in following documents: FINK R, FRENZ C, THELAKKAT M,et al.Synthesis and characterization of aromatic poly(1,3,5- triazine-ether)s for electroluminescent devices[J].Macromolecules,1997,30 (26):8177-8181.Other derivatives can refer to the synthetic method, select corresponding raw material that can synthesize.Such as: 2,4- bis- It is that raw material is synthesized that the bromo- cyanophenyl of 4-, which can be selected, in -1,3,5 triazine of (4- bromophenyl) -6- phenyl；(the 3,5- dimethyl-of 2,4- bis- 4- fluorophenyl) -6- phenyl -1,3,5 triazine can be selected 3,5- dimethyl -4- fluorobenzonitrile synthesized.
Preferably, which is dimethyl sulfoxide, sulfolane, n,N-Dimethylformamide, n,N-dimethylacetamide, N- The mixture of one or more of methyl pyrrolidone and diphenyl sulphone (DPS), dosage are (0.1-100.0) milliliter solvent/gram contain The double halogen compound of triaryl s-triazine.
Preferably, which is the mixture of one or more of benzene,toluene,xylene and chlorobenzene, and dosage is (0.1-100.0) milliliter solvent/milliliter dehydrating agent.
Preferably, which is sodium hydride, hydrofining, sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate and carbon The mixture of one or more of sour caesium.
Present invention will be further explained below with reference to specific examples.It should be understood that these embodiments be only used for the present invention without For limiting the scope of the invention.Externally it should be understood that after reading the contents of the present invention, those skilled in the art are to this hair Bright to make various changes or modifications, these equivalent forms also fall within the scope of the appended claims of the present application.
The p-aminophenyl phenols compound of the structure as shown in formula (III) is commercial product.
Embodiment 1
(1) by the 4-aminophenol of 0.2mol (i.e. R in formula (III)4And R5Be hydrogen), the potassium carbonate of 0.14mol, 200mL N-methyl-2-pyrrolidone (NMP) and 200mL toluene be added reaction flask in, lead to nitrogen, reflux band water reaction 2h after, steam Toluene.
(2) reaction flask is cooled to room temperature, 0.1mol 2,4- bis- (4- fluorophenyl) -6- phenyl -1,3,5 triazines is added (R in BFPT, i.e. formula (II)1And R2、R3It is hydrogen), 160 DEG C of reaction 12h are warming up to, room temperature is cooled to.
(3) by product precipitating in cold water, filtering (recycling mother liquor, and recycling) collects solid, and use warm water repeatedly It rinses several times, removes inorganic salts and solvent.
(4) filter cake vacuum drying is collected, 49.6g sepia 2, bis- 4- of 4- (4- amino-benzene oxygen) phenyl -6- benzene are obtained Base -1,3,5-triazines product (structure is shown below), molar yield 94.6%, purity 98%.
R in structure1~R5It is-H, Fig. 1 is the nucleus magnetic hydrogen spectrum figure of product, it can be seen from the figure that the baseline of spectrogram is flat It is whole, and peak shape it is clear, without miscellaneous peak, illustrate synthesized monomer purity height.By calculating, each hydrogen is all in nucleus magnetic hydrogen spectrum in the structure It being proven in spectrogram, it was demonstrated that the structure of synthesized product is 2,4-, bis- 4- (4- amino-benzene oxygen) phenyl -6- phenyl -1, 3,5- triazine.
Fig. 2 is the infrared spectrum of product ,-the NH in the amino of product, triazine and phenyl ring2,-C=N-, and-C=C- spy Sign absorption peak is embodied.
Fig. 3 is the DSC spectrogram of product, a narrow and sharp melting peak only occurs at 196 DEG C in figure, shows that product melting range is 194~198 DEG C, and purity is higher.TGA shows that its 5% thermal weight loss temperature in nitrogen is 438 DEG C, good thermal stability.
The use of (4- (4- amino-benzene oxygen) the phenyl) -6- phenyl -1,3,5-triazines of 2,4- bis- is amine source, polyethers can be prepared The benzoxazine resin of acyl (Asia) amine, the s-triazine structure containing triaryl, also can be used it as epoxy resin and phthalonitrile The curing agent of resin.The application examples for the compound that the present embodiment obtains is given below.
The application examples for the compound that embodiment 1 obtains
(1) triaryl equal three is contained using the synthesis of (4- (4- amino-benzene oxygen) the phenyl) -6- phenyl -1,3,5- triazine of 2,4- bis- The benzoxazine resin of piperazine structure, the specific method is as follows:
Equipped with condenser pipe, stirring rod, thermometer 250mL three-necked flask in, be added 40mL chloroform, 20mL toluene As dehydrating agent, quantitative bisphenol-A (2,2- bis- (4- hydroxy phenyl) propane), (4- (4- amino-benzene oxygen) of 2,4- bis- are added Phenyl) -6- phenyl -1,3,5-triazines, paraformaldehyde, molar ratio 1: 2: 4 is heated to flowing back, react obtain after 6h it is sticky Peony reaction system.The reaction system is evaporated under reduced pressure to obtain crude product, crude product is washed repeatedly with hot water, is then dried in 90 DEG C It does for 24 hours, obtains sepia polymer.The polymer is dissolved in N-Methyl pyrrolidone, the NaOH of 1mol/L is subsequently poured into In solution, brown color sediment is obtained.Sediment is washed with deionized water to neutrality, and 90 DEG C of vacuum drying are to get equal containing triaryl The benzoxazine resin of triazine structure.
The performance of synthetic product:
The fusing point of the benzoxazine resin of the s-triazine structure containing triaryl is 164~168 DEG C, and viscosity is after melting 1.4Pa·S.After 180 DEG C of solidifications 2h, 200 DEG C of solidifications 2h, 220 DEG C of solidification 2h, obtain that there is auburn solidfied material.This is solid The glass transition temperature of compound is 306 DEG C, and 5% thermal weight loss temperature is 424 DEG C, and heat resistance is good, higher than reporting in document B-a type benzoxazine resin Brunovska Z, Liu JP, Ishida H.1,3,5-triphenylhexahydro-1, ( 3,5-triazine-active intermediate and precursor in the novel synthesis of benzoxazine monomers and oligomers.Macromol Chem Phys 1999；200:1745-52).
(2) 2,4- bis- (4- (4- amino-benzene oxygen) phenyl) application of -6- phenyl -1,3,5- triazine as curing agent is used Example
Specific method:
(4- (4- amino-benzene oxygen) the phenyl) -6- phenyl -1,3,5- triazine of 2,4- bis- and neighbour are taken according to the mass ratio of 1:20 Phthalonitrile resin (BPh is shown below)., then the two is sufficiently mixed, then use 250 DEG C/3h+285 DEG C/2h+325 DEG C/curing process of 3h+350 DEG C/2h+375 DEG C/4h+400 DEG C/4h solidified.
Resin property after solidification:
The phthalonitrile after 2,4- bis- (4- (4- amino-benzene oxygen) phenyl) -6- phenyl -1,3,5- triazine solidifies is added The glass transition temperature of resin is up to 450 DEG C, and the 5% thermal weight loss temperature in nitrogen is 543 DEG C, and water absorption rate is heat-resisting down to 3.3% Performance is centainly promoted.
Embodiment 2
(1) by 3,5- dimethyl -4-aminophenol of 0.2mol, 0.2mol sodium hydroxide, 100 milliliters of N- crassitudes Ketone (NMP) and 50mL toluene are added in reaction flask, lead to nitrogen and steam toluene after reflux band water reacts 2h.
(2) reaction flask is cooled to room temperature, 0.1mol 2,4- bis- (3,5- dimethyl -4- fluorophenyl) -6- benzene is added Base -1,3,5 triazines are warming up to 160 DEG C of reaction 12h, are cooled to room temperature.
(3) by product precipitating in cold water, filtering (recycling mother liquor, and recycle), and repeatedly with warm water washing several times, Remove inorganic salts and solvent.
(4) filter cake vacuum drying is collected, sepia 2, [3,5- dimethyl -4- (3, the 5- dimethyl -4- amino of 4- bis- are obtained Phenoxy group) phenyl] -6- phenyl -1,3,5-triazines product (structure is shown below), molar yield 91.5%, purity is 99%.
R in structure1~R2、R4~R5It is-CH3, R3For-H, use1The structure of H-NMR and FT-IR means analysis product. In nuclear magnetic spectrogram, the baseline of spectrogram is smooth, and peak shape it is clear, without miscellaneous peak, illustrate synthesized monomer purity height.δ=8.3~8.6 Place, occurs being in the Hydrogen Proton formant at ortho position on phenyl ring with triazine ring, then respectively appears in δ to the proton hydrogen in phenylene group =7.3 vicinity.The peak of methyl peak proton hydrogen then appears in δ=2.3 and δ=2.5 two position.The Hydrogen Proton for belonging to amido goes out At present δ=4.5.In infrared spectrum, 1250cm-1There is the strong absworption peak of ehter bond in place.2960cm-1With 2870 cm-1Place occurs The strong absworption peak of methyl.In 1511cm-1With 1362cm-1There is the characteristic absorption peak of triazine ring in place.Demonstrate synthesized product Structure be 2,4- bis- [3,5- dimethyl -4- (3,5- dimethyl -4- amino-benzene oxygen) phenyl] -6- phenyl -1,3,5- three Piperazine.
In DSC spectrogram, only there is a narrow and sharp melting peak at 206~212 DEG C, show that product purity is higher.Product Thermal decomposition temperature be higher than 290 DEG C, better heat stability.
The curing agent that the compound that embodiment 2 obtains can be used as o-phthalonitrile resin uses:
Specific method:
[3,5- dimethyl -4- (3,5- dimethyl -4- amino-benzene oxygen) benzene of 2,4- bis- is taken according to the mass ratio of 1:20 Base] -6- phenyl -1,3,5-triazines and o-phthalonitrile resin, then the two is sufficiently mixed, then use 250 DEG C/3h+285 DEG C/curing process of 2h+325 DEG C/3h+350 DEG C/2h+375 DEG C/8h solidified.
Resin property after solidification:
For the glass transition temperature of resin up to 414 DEG C, the 5% thermal weight loss temperature in nitrogen is 536 DEG C, heat-resisting after solidification It is functional.
Embodiment 3
(1) by bis- trifluoromethyls of 3,5- -4-aminophenol of 0.2mol, 0.2mol potassium carbonate, 100 milliliters of N, N- dimethyl Formamide (DMF) and 50mL toluene are added in reaction flask, lead to nitrogen and steam toluene after reflux band water reacts 2h.
(2) reaction flask is cooled to room temperature, addition 0.1mol 2,4- bis- (4- chlorphenyl) -6- phenyl -1,3,5 three Piperazine is warming up to 150 DEG C of reaction 12h, is cooled to room temperature.
(3) by product precipitating in cold water, filtering (recycling mother liquor, and recycle), and repeatedly with warm water washing several times, Remove inorganic salts and solvent.
(4) filter cake vacuum drying is collected, canescence 2, bis- 4- of 4- (3,5- bis- trifluoromethyl-4-aminophenoxyl) benzene are obtained Base -6- phenyl -1,3,5-triazines product (structure is shown below), molar yield 77.9%, purity 96%.
R in structure1~R3It is-H, R4~R5It is-CF3, use1The structure of H-NMR and FT-IR means analysis product. In nuclear magnetic spectrogram, the baseline of spectrogram is smooth, and peak shape it is clear, without miscellaneous peak, illustrate synthesized monomer purity height.δ=8.3~8.6 Place, occurs being in the Hydrogen Proton formant at ortho position on phenyl ring with triazine ring, then respectively appears in the proton hydrogen in phenylene group The vicinity High-Field δ=7.3.Belong to the Hydrogen Proton of amido present in δ=4.5.In infrared spectrum, 1250cm-1There is ehter bond in place Strong absworption peak.1340cm-1There is the strong absworption peak of C-F in place.In 1511cm-1With 1362cm-1The feature that triazine ring occurs in place is inhaled Receive peak.The structure for demonstrating synthesized product is bis- 4- of 2,4- (bis- trifluoromethyl -4- amino-benzene oxygen of 3,5-) phenyl -6- Phenyl -1,3,5- triazine.
DSC shows that the fusing point of the compound is 276 DEG C.TGA show its thermal decomposition temperature be higher than 320 DEG C, thermal stability compared with It is good.
The application examples for the compound that embodiment 3 obtains
Reference literature (AYALAD, LOZANO A E, DE ABAJO J, et al.Novel polyimides with p- nitrophenyl pendant groups.Synthesis and characterization [J].Journal of Polymer Science Part A:Polymer Chemistry, 1999,37 (16): 3377-84.) report method, make It is amine source with 2,4-, bis- 4- (3,5- bis- trifluoromethyl-4-aminophenoxyl) phenyl -6- phenyl -1,3,5-triazines, can prepares Polyimides.Wherein, the polyimides prepared using the diamines as amine source.The 5% thermal weight loss temperature in nitrogen up to 580 DEG C, Glass transition temperature is 394 DEG C, and thin-film transparent is preferable, and light transmission rate is up to 92% or more.
Embodiment 4
(1) by the chloro- 4-aminophenol of the 3- of 0.2mol, 0.4mol sodium carbonate, 150 milliliters of DMAC N,N' dimethyl acetamides (DMAc) it is added in reaction flask with 100mL toluene, leads to nitrogen and steam toluene after reflux band water reacts 2h.
(2) reaction flask is cooled to 80 DEG C, 0.1mol 2,4- bis- (4- fluorophenyl) -6- phenyl -1,3,5 triazines is added (BFPT), 160 DEG C of reaction 12h are warming up to, are cooled to 60 DEG C.
(3) by product precipitating in cold water, filtering (recycling mother liquor, and recycle), and repeatedly with warm water washing several times, Remove inorganic salts and solvent.
(4) filter cake vacuum drying is collected, brown color 2, bis- 4- of 4- (the chloro- 4- amino-benzene oxygen of 3-) phenyl -6- phenyl-are obtained 1,3,5-triazines product (structure is shown below), molar yield 91.2%, purity 94%.
R in structure1~R3, R5 be-H, R4 is-Cl, is used1The structure of H-NMR and FT-IR means analysis product.Nuclear-magnetism In spectrogram, the baseline of spectrogram is smooth, and peak shape it is clear, without miscellaneous peak, illustrate synthesized monomer purity height.At δ=8.3~8.6, out The Hydrogen Proton formant at ortho position is on existing phenyl ring with triazine ring, High-Field δ is then respectively appeared in the proton hydrogen in phenylene group =7.3 vicinity.Belong to the Hydrogen Proton of amido present in δ=4.5.In infrared spectrum, 1250cm-1There is the strong suction of ehter bond in place Receive peak.In 1511cm-1With 1362cm-1There is the characteristic absorption peak of triazine ring in place.1150cm-1There is the absorption of C-Cl key in place Peak.The structure for demonstrating synthesized product is bis- 4- of 2,4- (the chloro- 4- amino-benzene oxygen of 3-) phenyl -6- phenyl -1,3,5- three Piperazine.
DSC shows that the fusing point of the compound is 253 DEG C.TGA show its thermal decomposition temperature be higher than 360 DEG C, thermal stability compared with It is good.
The use of 2,4-, bis- 4- (the chloro- 4- amino-benzene oxygen of 3-) phenyl -6- phenyl -1,3,5-triazines is amine source, can prepare Polyethers acyl (Asia) amine, benzoxazine resin, also can be used it as the curing agent of epoxy resin and o-phthalonitrile resin.Its In, due in structure containing can reactive functional chlorine key, make with the polyimides in the diamines amine source and benzoxazine tree Rouge etc. can be modified by the method for chemical modification, carry out other function application.
Embodiment 5
(1) by the 4-aminophenol of 0.2mol, 0.2mol potassium carbonate, 200 milliliters of n-methyl-2-pyrrolidone (NMP) and 200mL toluene is added in reaction flask, leads to nitrogen and steams toluene after reflux band water reacts 2h.
(2) reaction flask is cooled to room temperature, 0.1mol 2,4- bis- (3- phenyl -4- fluorophenyl) -6- (4- sulfonic acid is added Base-phenyl) -1,3,5 triazines (BMFPT) (i.e. R in formula (II)1And R2It is methyl, R3For hydrogen), 160 DEG C of reaction 12h are warming up to, It is cooled to room temperature.
(3) by product precipitating in cold water, filtering (recycling mother liquor, and recycle), and repeatedly with warm water washing several times, Remove inorganic salts and solvent.
(4) filter cake vacuum drying is collected, sepia 2, [3- phenyl -4- (4- amino-benzene oxygen) phenyl -6- of 4- bis- are obtained (4- sulfonic group phenyl) -1,3,5-triazines product (structure is shown below), molar yield 95.0%, purity 96%.
It uses1The structure of H-NMR and FT-IR means analysis product.In nuclear magnetic spectrogram, the baseline of spectrogram is smooth, and peak shape Clearly, without miscellaneous peak, illustrate that synthesized monomer purity is high.At δ=8.3~8.6, occur being in the hydrogen at ortho position on phenyl ring with triazine ring Proton resonance peak then respectively appears in the vicinity High-Field δ=7.3 to the proton hydrogen in phenylene group.Belong to the Hydrogen Proton of amido Present in δ=4.5.Belong to the Hydrogen Proton of sulfonate radical present in δ=11.3.In infrared spectrum, 1246cm-1There is ehter bond in place Strong absworption peak.1345cm-1There is the strong absworption peak of C-F in place.In 1516cm-1With 1363cm-1The feature that triazine ring occurs in place is inhaled Receive peak.The structure for demonstrating synthesized product is [3- phenyl -4- (4- amino-benzene oxygen) phenyl -6- (the 4- sulfonic group of 2,4- bis- Phenyl) -1,3,5- triazine.
DSC is tested to 350 DEG C and is not found that the melting point compound, TGA show that its thermal decomposition temperature is higher than 305 DEG C, thermostabilization Property is preferable.
Using 2,4- bis-, [3- phenyl -4- (4- amino-benzene oxygen) phenyl -6- (4- sulfonic group phenyl) -1,3,5- triazine is Amine source can prepare polyethers acyl (Asia) amine, benzoxazine resin, also can be used it as epoxy resin and o-phthalonitrile resin Curing agent.Wherein, the polyetherimide prepared using the diamines as amine source has due to containing sulfonic acid group in structure as combustion The potential quality that material battery proton exchange membrane uses.

Claims (10)

1. the armaticity binary primary amine of a kind of s-triazine structure containing triaryl and ehter bond, which is characterized in that the armaticity binary Primary amine has the structural formula as shown in formula (I):
In the formula (I): R1、R2Separately it is selected from one of hydrogen, the alkyl of C1-C10, aromatic group；
R3Selected from one of hydrogen, the alkyl of C1-C10, sulfonic group；
R4、R5Separately be selected from is one of hydrogen, the alkyl of C1-C10, halogenated alkyl, halogen；And
Wherein, formula (I) is not R1、R2、R3、R4、R5The all independent structural formula for being only selected from hydrogen and methyl.
2. the armaticity binary primary amine of s-triazine structure containing triaryl according to claim 1 and ehter bond, which is characterized in that
The alkyl of the C1-C10 is selected from linear alkyl and branch chain type alkyl, it is preferable that the linear alkyl is selected from methyl, second Base, the branch chain type alkyl are selected from isopropyl, tert-butyl；
The aromatic group is selected from phenyl, naphthalene, quinoline woods base；
The halogenated alkyl is selected from fluoro-alkyl, chloro alkyl, bromo alkyl, iodo-alkyl, and the preferably described fluoro-alkyl is selected from Straight chain type fluoro-alkyl and branched chain type fluoro-alkyl, it is further preferred that the straight chain type fluoro-alkyl is selected from trifluoromethyl, five fluorine second Base, the branched chain type fluoro-alkyl are perfluoroisopropyl；It is preferred that the chloro alkyl is selected from straight chain type chloro alkyl and branched chain type Chloro alkyl, it is further preferred that the straight chain type chloro alkyl is selected from trichloromethyl, chloro methylene, the branched chain type chloro alkyl For perchloro- isopropyl；
The halogen is selected from fluorine, chlorine, bromine, iodine；
It is preferred that in the formula (I): R1、R2、R3It is hydrogen, R4、R5It is methyl fluoride；
It is preferred that in the formula (I): R1、R2、R3、R5It is hydrogen, R4For chlorine；
It is preferred that in the formula (I): R1、R4、R5It is hydrogen, R2For phenyl, R3For sulfonic group.
3. the preparation method of the armaticity binary primary amine of any s-triazine structure containing triaryl of claim 1-2 and ehter bond, It is characterized in that, will the s-triazine containing triaryl as shown in formula (II) double halogen compound and the p-aminophenyl as shown in formula (III) Phenolic compound carries out nucleophilic substitution, and reaction product obtains shown in formula (I) using filter, washing, drying process containing three The armaticity binary primary amine of aryl s-triazine structure and ehter bond；
Wherein, one of X F, Cl, Br and I, R1、R2、R3With formula (I) In R1、R2、R3It is identical；
Wherein, R4、R5With the R in formula (I)4、R5It is identical.
4. preparation method according to claim 3, which is characterized in that the nucleophilic substitution is specific as follows:
Step 1 mixes the p-aminophenyl phenols compound as shown in formula (III) and base catalyst, solvent and dehydrating agent, lazy Property atmosphere under carry out back flow reaction 0.5-8.0h；Preferably, the inert atmosphere is nitrogen atmosphere and/or argon atmosphere；It is preferred that Ground, the reflux time are 2h；
Double halogen of the s-triazine containing triaryl as shown in formula (II) are added in step 2 after being cooled to room temperature back flow reaction product Compound then heats to 130-200 DEG C of reaction 0.5-12h；Preferably, reaction temperature is 150 DEG C, time 4h.
5. preparation method according to claim 3, which is characterized in that the s-triazine containing triaryl as shown in formula (II) Double halogen compound and the p-aminophenyl phenols compound as shown in formula (III) molar ratio be 1:2~2.5.
6. the preparation method according to claim 4, which is characterized in that in said step 1, described as shown in formula (III) P-aminophenyl phenols compound and the base catalyst molar ratio be 1.0:0.1-5；Preferably, right as shown in formula (III) The molar ratio of amino phenols compound and the base catalyst is 1:(0.5-2.6).
7. the preparation method according to claim 4, which is characterized in that in said step 1, the solvent is dimethyl One of sulfoxide, sulfolane, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide, N-Methyl pyrrolidone, diphenyl sulphone (DPS) or It is several；Preferably, the solvent usage is (0.1-100.0) milliliter solvent/gram s-triazine containing triaryl double halogen compound.
8. the preparation method according to claim 4, which is characterized in that in said step 1, the dehydrating agent is benzene, first One or more of benzene, dimethylbenzene, chlorobenzene；Preferably, the volume ratio of the solvent and the dehydrating agent is 0.1-100.0: 1。
9. the preparation method according to claim 4, which is characterized in that in said step 1, the base catalyst is hydrogen Change one or more of sodium, hydrofining, sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate, cesium carbonate.
10. preparation method according to claim 3, which is characterized in that after the drying process further include at recrystallization Reason；Preferably, the recrystallization processing uses ethylene glycol monomethyl ether, dioxane, thiacyclohexane, toluene or dimethylbenzene.
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