CN105503957B - A kind of biradical compound based on phosphonitrile and triazine group and preparation method thereof - Google Patents

A kind of biradical compound based on phosphonitrile and triazine group and preparation method thereof Download PDF

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CN105503957B
CN105503957B CN201610073442.8A CN201610073442A CN105503957B CN 105503957 B CN105503957 B CN 105503957B CN 201610073442 A CN201610073442 A CN 201610073442A CN 105503957 B CN105503957 B CN 105503957B
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dihydroxy
phosphonitrile
diaminourea
triazine group
organic solvent
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CN105503957A (en
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陈雅君
钱立军
王伟
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Hangzhou Zhihe New Material Co.,Ltd.
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Beijing Technology and Business University
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    • C07ORGANIC CHEMISTRY
    • C07FACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
    • C07F9/00Compounds containing elements of Groups 5 or 15 of the Periodic Table
    • C07F9/02Phosphorus compounds
    • C07F9/547Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
    • C07F9/6564Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
    • C07F9/6581Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and nitrogen atoms with or without oxygen or sulfur atoms, as ring hetero atoms
    • C07F9/65812Cyclic phosphazenes [P=N-]n, n>=3
    • C07F9/65815Cyclic phosphazenes [P=N-]n, n>=3 n = 3
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    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/49Phosphorus-containing compounds
    • C08K5/5399Phosphorus bound to nitrogen

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Abstract

The invention discloses a kind of biradical compound based on phosphonitrile and triazine group, its preparation method is that triazine group is introduced into six chlorine atoms for having in intrinsically flame retarded hexachlorocyclotriph,sphazene and replacing its side chain, and the side chain of triazine group will be further introduced containing diaminourea or dihydroxy compounds, prepare the biradical compound based on phosphonitrile and triazine group.The compound is rich in N, P element, because containing phosphonitrile and triazine group simultaneously, in combustion, can be by the way that gas phase is fire-retardant and condensed phase mechanism plays fire retardation, also have good into charcoal effect, the layer of charcoal of generation is heat-insulated, suppression oxygen, plays a part of expansion type flame retardant;In addition, phosphonitrile and triazine group have the effect of cooperative flame retardant in matrix combustion process.And the heat endurance of the compound is good, charring rate is high, good processability, can be widely applied to various high polymer materials it is flame-retardant modified in.

Description

A kind of biradical compound based on phosphonitrile and triazine group and preparation method thereof
Technical field
The invention belongs to technical field of polymer materials, it is related to a kind of fire retardant and preparation method thereof, and in particular to a kind of Biradical compound based on phosphonitrile and triazine group and preparation method thereof.
Background technology
Triaizine compounds with its excellent carbon-forming performance, be easy to reaction molecular characterization and relative low price advantage and As research emphasis.Early in nineteen ninety, triaizine compounds and phosphide just are used to build self-gravitation type thermoplastic by Cipolli R etc. Property polymer or elastomer.2006, Li Bin etc. optimized the synthesis technique of triazine and has invented a kind of hydroxyl and two amidos Triazine system oligomer and be applied to polyolefin.Hereafter, structure of the people constantly to triaizine compounds is optimized and changed Enter, designed and synthesized out a series of pyrrolotriazine derivatives.Such as, the triazine macromolecular compound of the chain structure containing aromatic series, main chain contains The triazine carbon forming agent of piperazine structure, the siliceous triazine oligomer of side chain and hyperbranched triazine macromolecular carbon forming agent etc..Above-mentioned three Piperazine compound is required for compounding phosphonium flame retardant during fire-retardant, by promoting into charcoal, element collaboration, group cooperative effect Flame retarding efficiency is set to be further enhanced etc. mode.As can be seen here, it is structure triazine group and phosphor-containing flame-proof group to be carried out compound Build the effective way of fire retardant new, efficient, that molten drop can be suppressed.
In the combination of the triazine studied with phosphor-containing flame-proof group, using it is most be APP.But polyphosphoric acid There are many problems when ammonium is used.First, the easy moisture absorption of APP, resistance to migration is poor;Second, APP and polymeric matrix Compatibility it is bad, influence flame retarding efficiency raising;3rd, the heat endurance of APP is not high, just has portion in process Decompose.Accordingly, it would be desirable to which developing a kind of new phosphorus-containing flame retardant substitutes APP.
The unique heterocycle structure of cyclic phosphazene compound and higher phosphorus, nitrogen content, make it have excellent heat endurance And fire resistance, and such compound has good biocompatibility and biological degradability, meets current increasingly harsh Environmental requirement.The research of ring phosphonitrile fire retardant starts later, and at present, phosphonitrile fire retardant mainly includes:Alkoxycyclotriphosphderivative, benzene The phosphonitrile of epoxide ring three, the phosphonitrile of phenylamino basic ring three etc..These ring phosphonitrile fire retardants are applied to many macromolecules by researchers In material, such as polyethylene, acrylonitrile-butadiene-styrene copolymer (ABS), epoxy resin, unsaturated polyester (UP), PLA etc., All obtain good flame retardant effect.This explanation phosphazene compound can turn into a kind of efficient fire retardant.But, at present on The research of phosphonitrile and the biradical compound of triazine has not been reported.
The content of the invention
It is an object of the present invention to provide a kind of heat endurance is good, charring rate is high, with good flame-retardance can based on The biradical compound of phosphonitrile and triazine group.
The invention provides a kind of biradical compound based on phosphonitrile and triazine group, the chemical structural formula of such compound For:
Wherein, R is diaminourea or dihydroxy.
It is a further object of the present invention to provide a kind of method for preparing the biradical compound based on phosphonitrile and triazine group.
The preparation method is comprised the following steps that:
The non-proton organic solvent of Cyanuric Chloride is added in the non-proton organic solvent of monoethanolamine by step (1), Acid binding agent is added in system, in nitrogen or argon atmosphere, is stirred 2~5 hours at -15~20 DEG C, obtains 2,4- bis- chloro- 6- hydroxyethylamino -1,3,5- triaizine compounds.
The molecular structural formula of the chloro- 6- hydroxyethylaminos -1,3,5- triaizine compounds of described 2,4- bis- is
In the non-proton organic solvent of Cyanuric Chloride the concentration of Cyanuric Chloride be 0.16~1.6mol/L, monoethanolamine it is non- The concentration of monoethanolamine is 0.18~1.8mol/L in protic organic solvent, and the two uses non-proton organic solvent of the same race, plus Cyanuric Chloride, monoethanolamine, the molar ratio of acid binding agent entered is 1: 1: 1;
Described acid binding agent is triethylamine, sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate, sodium acid carbonate, bicarbonate One kind in potassium, pyridine, DMAP, N, N- diisopropylethylamine;
Described non-proton organic solvent is 1-METHYLPYRROLIDONE, N,N-dimethylformamide, N, N- dimethyl second One kind in acid amides, tetrahydrofuran, dioxane, acetone, butanone, ethyl acetate;
Hexachlorocyclotriph,sphazene is added in the chloro- 6- hydroxyethylaminos -1,3,5- triaizine compounds of step (2) .2,4- bis- Non-proton organic solvent, and add condensing reflux 5~8 hours under acid binding agent, 50~80 DEG C of stirring conditions;Described is non-proton Property organic solvent and step (1) use non-proton organic solvent of the same race;
In the non-proton organic solvent of hexachlorocyclotriph,sphazene the concentration of hexachlorocyclotriph,sphazene be 0.06~0.6mol/L, 2, The molar ratio of the chloro- 6- hydroxyethylaminos -1,3,5- triaizine compounds of 4- bis- and hexachlorocyclotriph,sphazene is 6: 1~12: 1;
Described acid binding agent use with step (1) acid binding agent of the same race, the molar ratio of acid binding agent and hexachlorocyclotriph,sphazene is 6 : 1~12: 1;
Step (3) adds the non-proton organic solvent of diaminourea or dihydroxy compounds into reaction solution;Rise temperature Degree reacts 3~6 hours to 40~70 DEG C under stirring, condensing condition, continues to raise temperature to 80~120 DEG C, stirring, condensation bar Reacted 3~6 hours under part;
Described non-proton organic solvent uses non-proton organic solvent of the same race with step (2);
Diamino compounds or dihydroxy in described diaminourea or the non-proton organic solvent of dihydroxy compounds The concentration of compound is 2~20mol/L, and the molar ratio of diamino compounds or dihydroxy compounds and hexachlorocyclotriph,sphazene is 12 : 1~24: 1;
The preferred p-phenylenediamine of described diamino compounds, hexamethylene diamine, butanediamine, 4,4- diaminodiphenyl ethers, 4,4- bis- Aminodiphenyl sulfone, 4,4- MDAs, adjacent biphenyl methylamine, o-phenylenediamine, 1,2- propane diamine, 1,3- propane diamine, 2,4- Double [4- (the 4- aminobenzene oxygen of diaminotoluene, 3- diethyl amino propylamines, 1,2- cyclohexanediamine, 4,5- dichloros o-phenylenediamine, 2,2- Base phenyl)] propane, 4,4- diaminodiphenyl sulfides or 4,4- diaminourea diphenyl disulfide;
The preferred hydroquinones of described dihydroxy compounds, pentanediol, 4,4- dihydroxy diphenyl ethers, 4,4- dihydroxy hexichol Methane, butanediol, ethylene glycol, 1,3-BDO, 1,3- pentanediols, 1,3- cyclohexanediols, Isosorbide-5-Nitrae-cyclohexanediol, 2- ethyls -1, 3- hexylene glycols, catechol, resorcinol, 1,5- dihydroxy naphthlenes, 1,3- naphthalenediols, 2,7- dihydroxy naphthlenes, methylnaphthohydroquinone, 4,4- Dihydroxy diphenyl sulfide or 4,4- dihydroxy diphenyl disulfide;
After step (4) reactions terminate, by suction filtration, washing, dry, obtain biradicalization based on phosphonitrile and triazine group Compound.
Cyanuric Chloride, monoethanolamine, acid binding agent, hexachlorocyclotriph,sphazene, diaminourea and dihydroxy compounds in the present invention are Matured product, can be obtained by market purchase.
The present invention will have in intrinsically flame retarded hexachlorocyclotriph,sphazene and replace with being introduced into the triazine group that charcoal is acted on Six chlorine atoms of its side chain, and the side chain of triazine group will be further introduced containing diaminourea or dihydroxy compounds, prepare Biradical compound based on phosphonitrile and triazine group.The compound is rich in N, P element, because containing phosphonitrile and triazine group simultaneously, In combustion, can be raw also with good into charcoal effect by the way that gas phase is fire-retardant and condensed phase mechanism plays fire retardation Into layer of charcoal it is heat-insulated, suppression oxygen, play a part of expansion type flame retardant;In addition, phosphonitrile and triazine group are in matrix combustion process Effect with cooperative flame retardant.And the heat endurance of the compound is good, charring rate is high, good processability, can be widely applied to Various high polymer materials it is flame-retardant modified in.
Brief description of the drawings
Fig. 1 applies the infrared spectrogram for the biradical compound based on phosphonitrile and triazine group that example is provided for the present invention;
Fig. 2 is the thermogravimetric analysis figure of the biradical compound provided in an embodiment of the present invention based on phosphonitrile and triazine group.
Embodiment
Embodiment 1.
2.00g Cyanuric Chlorides are dissolved in 15ml tetrahydrofuran solutions by step (1), are added to four dissolved with 0.68g monoethanolamines In hydrogen tetrahydrofuran solution 40ml, sodium carbonate 1.15g is added, in N2In atmosphere, stirred 2 hours at -15 DEG C, obtain 2,4- bis- chloro- 6- hydroxyethylamino -1,3,5- triaizine compounds;
0.68g chlordenes ring three is added in the chloro- 6- hydroxyethylaminos -1,3,5- triaizine compounds of step (2) .2,4- bis- The 30ml tetrahydrofuran solutions of phosphonitrile, add condensing reflux 5 hours under sodium carbonate 1.15g, 50 DEG C of stirring conditions;
Step (3) adds the 10ml tetrahydrofuran solutions of 1.30g ethylenediamines into reaction solution;Temperature is raised to 40 DEG C, Reacted 3 hours under stirring, condensing condition, continue to raise temperature to 80 DEG C, reacted 3 hours under stirring, condensing condition;
After step (4) reactions terminate, by suction filtration, washing, dry, obtain biradicalization based on phosphonitrile and triazine group Compound.
The infrared spectrogram for the biradical compound based on phosphonitrile and triazine group that this example is obtained is as shown in figure 1, its thermogravimetric Analysis chart is as shown in Figure 2.
Embodiment 2.
4.00g Cyanuric Chlorides are dissolved in 30ml acetone solns by step (1), are added to the molten 50ml of acetone of 1.36g monoethanolamines In, potassium hydroxide 1.22g is added, in N2In atmosphere, at -10 DEG C stir 2 hours, obtain the chloro- 6- hydroxyethylaminos of 2,4- bis- - 1,3,5- triaizine compounds;
1.36g chlordenes ring three is added in the chloro- 6- hydroxyethylaminos -1,3,5- triaizine compounds of step (2) .2,4- bis- The 40ml acetone solns of phosphonitrile, add condensing reflux 5 hours under potassium hydroxide 1.22.00g, 50 DEG C of stirring conditions;
Step (3) adds the 15ml acetone solns of 2.80g hexamethylene diamines into reaction solution;Temperature is raised to 45 DEG C, is stirred Mix, react 3 hours under condensing condition, continue to raise temperature to 85 DEG C, reacted 3 hours under stirring, condensing condition;
After step (4) reactions terminate, by suction filtration, washing, dry, obtain biradicalization based on phosphonitrile and triazine group Compound.Embodiment 3.
6.00g Cyanuric Chlorides are dissolved in 40ml ethyl acetate solutions by step (1), are added to the second dissolved with 2.05g monoethanolamines In acetate solution 60ml, sodium hydroxide 1.30g is added, in N2In atmosphere, stirred 2.5 hours at -5 DEG C, obtain 2,4- bis- Chloro- 6- hydroxyethylaminos -1,3,5- triaizine compounds;
2.05g chlordenes ring three is added in the chloro- 6- hydroxyethylaminos -1,3,5- triaizine compounds of step (2) .2,4- bis- The 50m ethyl acetate solutions of phosphonitrile, add condensing reflux 5.5 hours under sodium hydroxide 1.30g, 55 DEG C of stirring conditions;
Step (3) adds the 25ml ethyl acetate solutions of 6.90g p-phenylenediamine into reaction solution;Temperature is raised to 55 DEG C, reacted 3 hours under stirring, condensing condition, continue to raise temperature to 85 DEG C, reacted 3 hours under stirring, condensing condition;
After step (4) reactions terminate, by suction filtration, washing, dry, obtain biradicalization based on phosphonitrile and triazine group Compound.
Embodiment 4.
8.00g Cyanuric Chlorides are dissolved in 50ml dioxane solutions by step (1), are added to two dissolved with 2.72g monoethanolamines In the ring solution 70ml of oxygen six, triethylamine 4.40g is added, in N2In atmosphere, stirred 2.5 hours at 5 DEG C, obtain 2,4- bis- chloro- 6- hydroxyethylamino -1,3,5- triaizine compounds;
2.72g chlordenes ring three is added in the chloro- 6- hydroxyethylaminos -1,3,5- triaizine compounds of step (2) .2,4- bis- The 65ml dioxane solutions of phosphonitrile, add condensing reflux 5 hours under triethylamine 4.40g, 50 DEG C of stirring conditions;
Step (3) adds the 30ml dioxane solutions of 9.20g o-phenylenediamines into reaction solution;Temperature is raised to 60 DEG C, reacted 3.5 hours under stirring, condensing condition, continue to raise temperature to 90 DEG C, reacted 3.5 hours under stirring, condensing condition;
After step (4) reactions terminate, by suction filtration, washing, dry, obtain biradicalization based on phosphonitrile and triazine group Compound.
Embodiment 5.
10.00g Cyanuric Chlorides are dissolved in 50mlN by step (1), and dinethylformamide solution is added to dissolved with 3.4g second In the DMF solution 50ml of hydramine, pyridine 4.18g is added, in N2In atmosphere, stir 3 hours, obtain at 10 DEG C To the chloro- 6- hydroxyethylaminos -1,3,5- triaizine compounds of 2,4- bis-;
The phosphorus of 3.5g chlordenes ring three is added in the chloro- 6- hydroxyethylaminos -1,3,5- triaizine compounds of step (2) .2,4- bis- The 60mlN of nitrile, dinethylformamide solution adds condensing reflux 6 hours under pyridine 4.18g, 60 DEG C of stirring conditions;
Step (3) adds the 40mlN of 11.88g hydroquinones, dinethylformamide solution into reaction solution;Rise Temperature is reacted 4 hours to 65 DEG C under stirring, condensing condition, continues to raise temperature to 90 DEG C, reaction 4 is small under stirring, condensing condition When;
After step (4) reactions terminate, by suction filtration, washing, dry, obtain biradicalization based on phosphonitrile and triazine group Compound.
Embodiment 6.
12.00g Cyanuric Chlorides are dissolved in 60mlN- methylpyrrolidone solutions by step (1), are added to dissolved with 4.10g second In the 1-METHYLPYRROLIDONE solution 50ml of hydramine, sodium acid carbonate 5.48g is added, in N2In atmosphere, stir 2 hours, obtain at 5 DEG C To the chloro- 6- hydroxyethylaminos -1,3,5- triaizine compounds of 2,4- bis-;
4.09g chlordenes ring three is added in the chloro- 6- hydroxyethylaminos -1,3,5- triaizine compounds of step (2) .2,4- bis- The 60mlN- methylpyrrolidone solutions of phosphonitrile, add condensing reflux 6.5 hours under sodium acid carbonate 5.48g, 65 DEG C of stirring conditions;
Step (3) adds the 10mlN- methylpyrrolidone solutions of 9.7g ethylene glycol into reaction solution;Raise temperature extremely 40 DEG C, stirring, react 4 hours under condensing condition, continue to raise temperature to 95 DEG C, reacted 3 hours under stirring, condensing condition;
After step (4) reactions terminate, by suction filtration, washing, dry, obtain biradicalization based on phosphonitrile and triazine group Compound.
Embodiment 7.
16.00g Cyanuric Chlorides are dissolved in 60ml DMA solution by step (1), are added to dissolved with 5.5g In the DMA solution 40ml of monoethanolamine, saleratus 8.69g is added, in N2In atmosphere, 2 are stirred at -15 DEG C Hour, obtain the chloro- 6- hydroxyethylaminos -1,3,5-triazines compounds of 2,4- bis-;
The phosphorus of 5.5g chlordenes ring three is added in the chloro- 6- hydroxyethylaminos -1,3,5- triaizine compounds of step (2) .2,4- bis- The 60ml DMA solution of nitrile, adds condensing reflux 5 hours under saleratus 8.69g, 70 DEG C of stirring conditions;
Step (3) adds the 10ml DMAC N,N' dimethyl acetamide solution of 27.6g butanediols into reaction solution;Rise temperature Degree reacts 4 hours to 70 DEG C under stirring, condensing condition, continues to raise temperature to 100 DEG C, reaction 4 is small under stirring, condensing condition When;
After step (4) reactions terminate, by suction filtration, washing, dry, obtain biradicalization based on phosphonitrile and triazine group Compound.
Embodiment 8.
20.00g Cyanuric Chlorides are dissolved in 60ml solution dioxane by step (1), are added to dissolved with 6.95g monoethanolamines In dioxane solution 60ml, potassium carbonate 20g is added, in N2In atmosphere, stirred 2.5 hours at -5 DEG C, obtain 2,4- bis- chloro- 6- hydroxyethylamino -1,3,5- triaizine compounds;
6.35g chlordenes ring three is added in the chloro- 6- hydroxyethylaminos -1,3,5- triaizine compounds of step (2) .2,4- bis- The 30ml dioxane solutions of phosphonitrile, add condensing reflux 8 hours under potassium carbonate 20g, 80 DEG C of stirring conditions;
Step (3) adds the 10ml dioxane solutions of 12.96g hexamethylene diamines into reaction solution;Temperature is raised to 70 DEG C, reacted 6 hours under stirring, condensing condition, continue to raise temperature to 120 DEG C, reacted 3 hours under stirring, condensing condition;
After step (4) reactions terminate, by suction filtration, washing, dry, obtain biradicalization based on phosphonitrile and triazine group Compound.

Claims (5)

1. a kind of preparation method of the biradical compound based on phosphonitrile and triazine group, it is characterised in that comprise the following steps:
The non-proton organic solvent of Cyanuric Chloride is added in the non-proton organic solvent of monoethanolamine by step (1), system Middle addition acid binding agent, in protective gas atmosphere, stirs 2~5 hours at -15~20 DEG C, obtains the chloro- 6- hydroxyls second of 2,4- bis- Amino -1,3,5- triaizine compounds;
Wherein, the concentration of Cyanuric Chloride is 0.16~1.6mol/L, second in the non-proton organic solvent of described Cyanuric Chloride The concentration of monoethanolamine is 0.18~1.8mol/L in the non-proton organic solvent of hydramine, the Cyanuric Chloride of addition, monoethanolamine, is tied up The molar ratio of sour agent is 1: 1: 1;
The non-matter of hexachlorocyclotriph,sphazene is added in the chloro- 6- hydroxyethylaminos -1,3,5- triaizine compounds of step (2) 2,4- bis- Sub- property organic solvent, and add condensing reflux 5~8 hours under acid binding agent, 50~80 DEG C of stirring conditions;
Wherein, in the non-proton organic solvent of described hexachlorocyclotriph,sphazene the concentration of hexachlorocyclotriph,sphazene for 0.06~ The molar ratio of 0.6mol/L, 2,4- bis- chloro- 6- hydroxyethylaminos -1,3,5-triazines compounds and hexachlorocyclotriph,sphazene is 6 : 1~12: 1;The molar ratio of acid binding agent and hexachlorocyclotriph,sphazene is 6: 1~12: 1;
Step (3) is to step 2) diaminourea is added in obtained reaction solution or the aprotic of dihydroxy compounds is organic molten Agent;Temperature is raised to 40~70 DEG C, is reacted 3~6 hours under stirring, condensing condition, continues to raise temperature to 80~120 DEG C, stirs Mix, react 3~6 hours under condensing condition;
Wherein, diaminourea or dihydroxy compounds in the non-proton organic solvent of described diaminourea or dihydroxy compounds Concentration is 2~20mol/L, and the molar ratio that diaminourea or dihydroxy compounds add hexachlorocyclotriph,sphazene with step (2) is 12: 1~24: 1;
After step (4) reaction terminates, by suction filtration, washing, dry, obtain the biradical compound based on phosphonitrile and triazine group;
Above-mentioned all non-proton organic solvents use same non-proton organic solvent;Above-mentioned all acid binding agents are equal Using same acid binding agent;Described diamino compounds be p-phenylenediamine, hexamethylene diamine, butanediamine, 4,4- diaminodiphenyl ethers, 4,4- diaminodiphenylsulfones, 4,4- MDAs, adjacent biphenyl methylamine, o-phenylenediamine, 1,2- propane diamine, 1,3- the third two Double [4- (the 4- ammonia of amine, 2,4- diaminotoluenes, 3- diethyl amino propylamines, 1,2- cyclohexanediamine, 4,5- dichloros o-phenylenediamine, 2,2- Phenoxyl phenyl)] propane, 4,4- diaminodiphenyl sulfides or 4,4- diaminourea diphenyl disulfide;Described dihydroxy chemical combination Thing is hydroquinones, pentanediol, 4,4- dihydroxy diphenyl ethers, 4,4- dioxydiphenyl methanes, butanediol, ethylene glycol, 1,3- fourths Glycol, 1,3- pentanediols, 1,3- cyclohexanediols, Isosorbide-5-Nitrae-cyclohexanediol, 2- ethyls -1,3- hexylene glycol, catechol, isophthalic two Phenol, 1,5- dihydroxy naphthlenes, 1,3- naphthalenediols, 2,7- dihydroxy naphthlenes, methylnaphthohydroquinone, 4,4- dihydroxy diphenyl sulfide or 4,4- bis- Hydroxyl diphenyl disulfide.
2. the preparation method of biradical compound according to claim 1, it is characterised in that described protective gas is nitrogen Or argon gas.
3. the preparation method of biradical compound according to claim 1, it is characterised in that described acid binding agent is three second Amine, sodium hydroxide, potassium hydroxide, sodium carbonate, potassium carbonate, sodium acid carbonate, saleratus, pyridine, DMAP, N, N- One kind in diisopropylethylamine.
4. the preparation method of biradical compound according to claim 1, it is characterised in that described aprotic is organic molten Agent be 1-METHYLPYRROLIDONE, N,N-dimethylformamide, DMAC N,N' dimethyl acetamide, tetrahydrofuran, dioxane, acetone, One kind in butanone, ethyl acetate.
5. the biradical compound based on phosphonitrile and triazine group made from the method as described in claim any one of 1-4, it is special Levy and be, the chemical structural formula of such compound is:
Wherein, R is containing diaminourea or dihydric group, from diaminourea or dihydroxy compounds, described diaminourea chemical combination Thing is p-phenylenediamine, hexamethylene diamine, butanediamine, 4,4- diaminodiphenyl ethers, 4,4- diaminodiphenylsulfones, 4,4- diaminourea hexichol first Alkane, adjacent biphenyl methylamine, o-phenylenediamine, 1,2- propane diamine, 1,3- propane diamine, 2,4- diaminotoluenes, 3- diethyl amino propylamines, 1, 2- cyclohexanediamine, 4,5- dichloros o-phenylenediamine, 2,2- double [4- (4- aminophenoxy phenyls)] propane, 4,4- diaminourea diphenyl sulfides Ether or 4,4- diaminourea diphenyl disulfide;Described dihydroxy compounds is hydroquinones, pentanediol, 4,4- dihydroxy hexichol Ether, 4,4- dioxydiphenyl methanes, butanediol, ethylene glycol, 1,3-BDO, 1,3- pentanediols, 1,3- cyclohexanediols, Isosorbide-5-Nitrae-ring Hexylene glycol, 2- ethyls -1,3- hexylene glycol, catechol, resorcinol, 1,5- dihydroxy naphthlenes, 1,3- naphthalenediols, 2,7- dihydroxy Naphthalene, methylnaphthohydroquinone, 4,4- dihydroxy diphenyl sulfide or 4,4- dihydroxy diphenyl disulfide.
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