CN103524788A - Carbonizing agent for halogen-free expansion flame-retardant system and preparation method of carbonizing agent - Google Patents
Carbonizing agent for halogen-free expansion flame-retardant system and preparation method of carbonizing agent Download PDFInfo
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- QVUZDSMDYKVRTK-UHFFFAOYSA-N Nc1nc(N(CC2)CCN2c2nc(N)nc(N)n2)nc(N)n1 Chemical compound Nc1nc(N(CC2)CCN2c2nc(N)nc(N)n2)nc(N)n1 QVUZDSMDYKVRTK-UHFFFAOYSA-N 0.000 description 1
Abstract
The invention relates to a carbonizing agent for a halogen-free expansion flame-retardant system and a preparation method of the carbonizing agent. The compound is prepared by taking cyanuric chloride, piperazine and ammonia water as main raw materials through substitution reaction, and has the characteristics that the raw materials are easy to obtain, the industrial continuous production is facilitated, the production operation is safe, and the like. According to the carbonizing agent with a triazine ring structure, two components of a carbon source and a gas source are combined into one molecular structure to form a macromolecular structure, not only is the defect that the three components of the expansion flame-retardant in a matrix are not uniformly dispersed overcome, but also the carbonizing property and the flame-retardant of the flame-retardant system are improved, and moreover due to the triazine ring structure in the molecular structure, good thermal stability is achieved, the carbonizing agent can be used as a flame retardant in most macromolecular structures, and has a good application prospect.
Description
Technical field
The present invention relates to the preparation method of char-forming agent for a kind of halogen Intumescent Retardant System.
Background technology
Along with macromolecular material is in life, widespread use in engineering production, people also improve constantly the fire-retardant requirement of macromolecular material, and the demand of fire retardant and fire retardant material is expanded thereupon, have stimulated fire retardant development, production and application to develop rapidly.People have known very well the harm of halogenated flame retardant at present.Development has proposed the requirement of low toxicity, low cigarette, pollution-free, efficient, Halogen to current fire retardant, and therefore a large amount of different types of fire retardants become the emphasis of research application.Expansion type flame retardant low toxicity, press down cigarette, not halogen-containing, and can prevent molten drop, efficient, avoided the impact on material mechanical performance greatly of some fire retardant additions.These advantages make expansion type flame retardant become one of important research direction of halogen-free flame retardants in recent years.
But the addition of mixed expanded type fire retardant is more, be generally by more than 20% (massfraction) of fire retardant material, and poor water resistance, component is many, is respectively acid source, carbon source and source of the gas, disperses uneven during interpolation.If two or three in three kinds of components are designed in same molecular structure, can give the resistance to migration that expansion type flame retardant is good, high decomposition temperature, and with the advantage such as polymer base material consistency is good, can bring into play synergistic function, easily reach good flame retardant effect simultaneously.
Triazine derivative is rich in tertiary N structure, in flame retardant area, can bring into play multi-functional, and not only foaming effect is good, and charing effect is good, its excellent thermostability in addition, with Polymers Phase capacitive might as well, therefore be widely used, can be used as char-forming agent and whipping agent in Intumscent Flame Retardant System.Chinese invention patent publication number is in CN102234516A, to disclose employing cyanuric chloride, ammoniacal liquor and diamine, dibasic alcohol/phenol or binary mercaptan/phenol etc. by polycondensation, under acid binding agent effect, obtaining a kind of long-chain triazine with bicyclic phosphate structure is macromole fire retardant.This fire retardant carbon forming rate is higher, has certain swelling property.
Chinese invention patent Granted publication number is used cyanuric chloride and 1-oxygen-4-methylol-2 for having described in CN101921599B, and 6,7-trioxa-1-phospha dicyclo [2,2,2] octane makes fire retardant by polycondensation.This fire retardant is rich in carbon source, acid source and 3 kinds, foaming source component, is applied to PEPA and the triazine structure advantage in fire-retardant application, brings into play preferably nitrogen, phosphorus synergistic fire retardation.
In Scientific Articles, have the cyanuric chloride of take, quadrol and ammoniacal liquor as raw material has synthesized a kind of triazine ring expanded polystyrene veneer char-forming agent, its preparation method is that cyanuric chloride is added to solvent, drip quadrol and acid binding agent, generate a substituent of cyanuric chloride, filter, wash, be dried; Again add solvent, heat up, drip ammoniacal liquor, generate the di-substituted of cyanuric chloride, filtration, washing, dry; Again add solvent, heat up, drip acid binding agent, after reaction finishes, through suction filtration, washing, after dry, obtain triazine ring expansion type flame retardant.For ABS and PP, obtained certain flame retardant effect.But technological process is comparatively loaded down with trivial details, add acid binding agent in batches, be unsuitable for industrialization and produce continuously.
Summary of the invention
Technical problem to be solved by this invention is: simplify complicated loaded down with trivial details reaction process, be convenient to industrialization and produce continuously.With the tertiary amine piperazine of high reaction activity, replace other more SA aminated compoundss, continuous reaction condition, finally adds the disposable acid binding agent that adds, synthetic carbon source, the source of the gas, the fire retardant that thermostability is high of being rich in.
The invention provides the preparation method of char-forming agent for a kind of halogen Intumescent Retardant System, a kind of char-forming agent and preparation method thereof for novel halogen-free Intumescent Retardant System that can be used for flame retardance of polymer is particularly provided, is specifically to provide a kind of char-forming agent and preparation method thereof for halogen Intumescent Retardant System that can be used as expansion type flame retardant component.Three components that the present invention is directed to the existence of Compositional type expansion type flame retardant disperse unequal problem, carbon source and source of the gas two components are attached in a molecular structure, theoretical carbon content is 39.47%, theoretical nitrogen content is 55.26%, and having brought into play triazine ring molecule, to be foamed into charcoal effect obvious, has greatly improved one-tenth charcoal and the flame retardant resistance of flame-retardant system, and in molecular structure, have triazine ring structure simultaneously, therefore there is splendid thermostability, and raw material is easy to get, is easy to realize suitability for industrialized production and application.The char-forming agent containing triazine ring structure that the present invention synthesizes can be widely used in the fire retardant of the synthetic materialss such as various polyolefine, nylon, polyester and elastomerics and textiles.
A kind of halogen Intumescent Retardant System char-forming agent of the present invention, structural formula is as follows:
The ammonia of described char-forming agent in piperazine and ammoniacal liquor is under the effect of acid binding agent, and substep replaces the chlorine element on cyanuric chloride and obtains.
As preferred technical scheme:
The preparation method of char-forming agent for a kind of halogen Intumescent Retardant System as above, in the described the first step, temperature of reaction is-5～5 ℃, reaction times is 5～6 hours, described organic solvent is 1-Methyl-2-Pyrrolidone, N, dinethylformamide, N, N-N,N-DIMETHYLACETAMIDE, mibk, methyl-sulphoxide, tetrahydrofuran (THF), acetone, butanone, pimelinketone, ethyl acetate, chloroform, dioxane, acetonitrile, benzene, the mixture of one or more in toluene or dimethylbenzene, described cyanuric chloride and solvent are mixed with the solution that molarity is 1mol/L.Select suitable solvent and concentration, not only can fine solubilizing reaction thing, more separate out resultant, and meet the requirement of experimental temperature, save industrial cost simultaneously.Described rare gas element taking cost into account, is nitrogen or argon gas, and described cyanuric chloride reacts molar weight than being 1:0.5～0.6 with quadrol.
The preparation method of char-forming agent for a kind of halogen Intumescent Retardant System as above, in described second step, temperature of reaction is 30～40 ℃, and the reaction times is 7～8 hours, and cyanuric chloride reacts molar weight than being 1:2.0 with ammonia content in ammoniacal liquor.Long reaction time, can guarantee that the ammonia in ammoniacal liquor at utmost reacts with cyanuric chloride.
The preparation method of char-forming agent for a kind of halogen Intumescent Retardant System as above, in described the 3rd step, temperature of reaction is 70～80 ℃, reaction times is 3～4 hours, described acid binding agent is one or more the mixture in Trimethylamine 99, triethylamine, pyridine, salt of wormwood, saleratus, sodium carbonate, sodium bicarbonate, sodium hydroxide, potassium hydroxide, calcium hydroxide or magnesium hydroxide, and cyanuric chloride reacts molar weight than being 1:3.0 with acid binding agent.By adding acid binding agent, the hydrogen chloride gas effectively producing in absorption reaction, makes reaction carry out to forward.
Temperature during obtained char-forming agent weightless 5% is 254.3 ℃, and in the time of 600 ℃, carbon residue amount is 39.91%.
Beneficial effect:
A kind of halogen Intumescent Retardant System char-forming agent of the present invention, has the following advantages:
(1) in molecular structure, contain triazine ring, improved the thermostability of molecule and become charcoal;
(2) as expansion type flame retardant, carbon source, source of the gas component are attached in a molecular structure, greatly improved one-tenth charcoal and the flame retardant resistance of flame-retardant system;
(3) improved the consistency with polymkeric substance, improved due to the problem of adding the mechanical property of materials variation that fire retardant causes.
Embodiment
Below in conjunction with embodiment, further set forth the present invention.Should be understood that these embodiment are only not used in and limit the scope of the invention for the present invention is described.In addition should be understood that those skilled in the art can make various changes or modifications the present invention after having read the content of the present invention's instruction, these equivalent form of values fall within the application's appended claims limited range equally.
A kind of halogen Intumescent Retardant System char-forming agent of the present invention, structural formula is as follows:
Embodiment 1
To agitator has been installed; dropping funnel; in four neck flasks of thermometer and reflux condensing tube, add cyanuric chloride and acetone; be mixed with the solution that molarity is 1.25mol/L; under nitrogen atmosphere protection, stir cyanuric chloride is uniformly dispersed; drip piperazine, it reacts molar weight than being 0.3:1 with cyanuric chloride again.In ice bath, controlling temperature is 0～5 ℃, reacts after 5 hours, drips ammoniacal liquor.Cyanuric chloride reacts molar weight than being 1:1.7 with ammonia in ammoniacal liquor.Be heated to 25 ℃, continue stir after 10 hours, add sodium hydroxide, it reacts molar weight than being 2.5:1 with cyanuric chloride, and is warming up to 60 ℃, continues reaction after 6 hours, after filtration the dry final product halogen Intumescent Retardant System char-forming agent that obtains.
Embodiment 2
To agitator has been installed; dropping funnel; in four neck flasks of thermometer and reflux condensing tube, add cyanuric chloride and 1-Methyl-2-Pyrrolidone; be mixed with the solution that molarity is 0.8mol/L, under nitrogen atmosphere protection, stir cyanuric chloride is uniformly dispersed, then drip piperazine; it reacts molar weight than being 0.7:1 with cyanuric chloride; in ice bath, controlling temperature is 0 ℃, reacts after 6 hours, drips ammoniacal liquor.Cyanuric chloride reacts molar weight than being 1:2.3 with ammonia in ammoniacal liquor.Be heated to 30 ℃, continue stir after 8 hours, add sodium bicarbonate, it reacts molar weight than being 3.5:1 with cyanuric chloride, and is warming up to 70 ℃, continues reaction after 4 hours, after filtration the dry final product halogen Intumescent Retardant System char-forming agent that obtains.
Embodiment 3
To agitator has been installed; dropping funnel, adds cyanuric chloride and N,N-dimethylacetamide in four neck flasks of thermometer and reflux condensing tube; be mixed with the solution that molarity is 1.5mol/L; under nitrogen atmosphere protection, stir cyanuric chloride is uniformly dispersed, then drip piperazine, it reacts molar weight than being 0.5:1 with cyanuric chloride; in ice bath, controlling temperature is 3 ℃; react after 6 hours, drip ammoniacal liquor, and cyanuric chloride is 1:2.0 with the molar weight ratio that reacts of ammonia in ammoniacal liquor.Be heated to 30 ℃, continue stir after 8 hours, add triethylamine, it reacts molar weight than being 3.0:1 with cyanuric chloride, and is warming up to 70 ℃, continues reaction after 4 hours, after filtration the dry final product halogen Intumescent Retardant System char-forming agent that obtains.
Embodiment 4
To agitator has been installed; dropping funnel; in four neck flasks of thermometer and reflux condensing tube, add cyanuric chloride and chloroform; be mixed with the solution that molarity is 0.86mol/L, under nitrogen atmosphere protection, stir cyanuric chloride is uniformly dispersed, then add piperazine; it reacts molar weight than being 0.4:1 with cyanuric chloride; in ice bath, controlling temperature is 5 ℃, reacts after 5 hours, drips ammoniacal liquor.Cyanuric chloride reacts molar weight than being 1:1.8 with ammonia in ammoniacal liquor.Be heated to 25 ℃, continue stir after 5 hours, add pyridine, it reacts molar weight than being 2.7:1 with cyanuric chloride, and is warming up to 80 ℃, continues reaction after 5 hours, after filtration the dry final product halogen Intumescent Retardant System char-forming agent that obtains.
Embodiment 5
To agitator has been installed; dropping funnel, adds cyanuric chloride and DMF in four neck flasks of thermometer and reflux condensing tube; be mixed with the solution that molarity is 1mol/L; under nitrogen atmosphere protection, stir cyanuric chloride is uniformly dispersed, then drip piperazine, it reacts molar weight than being 0.6:1 with cyanuric chloride; in ice bath, controlling temperature is 0～5 ℃; react after 5 hours, drip ammoniacal liquor, cyanuric chloride reacts molar weight than being 1:2.2 with ammonia in ammoniacal liquor.Be heated to 30 ℃, continue stir after 9 hours, add salt of wormwood, it reacts molar weight than being 3.1:1 with cyanuric chloride, and is warming up to 90 ℃, continues reaction after 3 hours, after filtration the dry final product halogen Intumescent Retardant System char-forming agent that obtains.
Embodiment 6
To agitator has been installed; dropping funnel; in four neck flasks of thermometer and reflux condensing tube, add cyanuric chloride and tetrahydrofuran (THF), be mixed with the solution that molarity is 1.25mol/L, under nitrogen atmosphere protection, stir cyanuric chloride is uniformly dispersed; drip again piperazine; it reacts molar weight than being 0.65:1 with cyanuric chloride, and in ice bath, controlling temperature is 4 ℃, reacts after 6 hours; drip ammoniacal liquor, cyanuric chloride reacts molar weight than being 1:2.0 with ammonia in ammoniacal liquor.Be heated to 35 ℃, continue stir after 8 hours, add saleratus, it reacts molar weight than being 3.0:1 with cyanuric chloride, and is warming up to 75 ℃, continues reaction after 3 hours, after filtration the dry final product halogen Intumescent Retardant System char-forming agent that obtains.
Embodiment 7
To agitator has been installed; dropping funnel; in four neck flasks of thermometer and reflux condensing tube, add cyanuric chloride and pimelinketone, be mixed with the solution that molarity is 1.0mol/L, under nitrogen atmosphere protection, stir cyanuric chloride is uniformly dispersed; drip again piperazine; it reacts molar weight than being 0.35:1 with cyanuric chloride, and in ice bath, controlling temperature is 0～5 ℃, reacts after 4 hours; drip ammoniacal liquor, cyanuric chloride reacts molar weight than being 1:2.2 with ammonia in ammoniacal liquor.Be heated to 40 ℃, continue stir after 8 hours, add calcium hydroxide, it reacts molar weight than being 3.4:1 with cyanuric chloride, and is warming up to 65 ℃, continues reaction after 5 hours, after filtration the dry final product halogen Intumescent Retardant System char-forming agent that obtains.
Embodiment 8
To agitator has been installed; dropping funnel; in four neck flasks of thermometer and reflux condensing tube, add cyanuric chloride and butanone, be mixed with the solution that molarity is 1.11mol/L, under nitrogen atmosphere protection, stir cyanuric chloride is uniformly dispersed; drip again piperazine; it reacts molar weight than being 0.4:1 with cyanuric chloride, and in ice bath, controlling temperature is 0～5 ℃, reacts after 8 hours; drip ammoniacal liquor, cyanuric chloride reacts molar weight than being 1:2.3 with ammonia in ammoniacal liquor.Be heated to 25 ℃, continue stir after 10 hours, add magnesium hydroxide, it reacts molar weight than being 3.1:1 with cyanuric chloride, and is warming up to 95 ℃, continues reaction after 3 hours, after filtration the dry final product halogen Intumescent Retardant System char-forming agent that obtains.
Embodiment 9
To agitator has been installed; dropping funnel; in four neck flasks of thermometer and reflux condensing tube, add cyanuric chloride and ethyl acetate, be mixed with the solution that molarity is 1.0mol/L, under nitrogen atmosphere protection, stir cyanuric chloride is uniformly dispersed; drip again piperazine; it reacts molar weight than being 0.45:1 with cyanuric chloride, and in ice bath, controlling temperature is 0～5 ℃, reacts after 7 hours; drip ammoniacal liquor, cyanuric chloride reacts molar weight than being 1:2.2 with ammonia in ammoniacal liquor.Be heated to 30 ℃, continue stir after 10 hours, add potassium hydroxide, it reacts molar weight than being 3.0:1 with cyanuric chloride, and is warming up to 70 ℃, continues reaction after 6 hours, after filtration the dry final product halogen Intumescent Retardant System char-forming agent that obtains.
Embodiment 10
To agitator has been installed; dropping funnel; in four neck flasks of thermometer and reflux condensing tube, add cyanuric chloride and dioxane, be mixed with the solution that molarity is 1.05mol/L, under nitrogen atmosphere protection, stir cyanuric chloride is uniformly dispersed; drip again piperazine; it reacts molar weight than being 0.55:1 with cyanuric chloride, and in ice bath, controlling temperature is 0～5 ℃, reacts after 8 hours; drip ammoniacal liquor, cyanuric chloride reacts molar weight than being 1:2.1 with ammonia in ammoniacal liquor.Be heated to 25 ℃, continue stir after 10 hours, add sodium carbonate, it reacts molar weight than being 3.5:1 with cyanuric chloride, and is warming up to 60 ℃, continues reaction after 6 hours, after filtration the dry final product halogen Intumescent Retardant System char-forming agent that obtains.
Embodiment 11
To agitator has been installed; dropping funnel; in four neck flasks of thermometer and reflux condensing tube, add cyanuric chloride and toluene, be mixed with the solution that molarity is 1.15mol/L, under nitrogen atmosphere protection, stir cyanuric chloride is uniformly dispersed; drip again piperazine; it reacts molar weight than being 0.65:1 with cyanuric chloride, and in ice bath, controlling temperature is 2 ℃, reacts after 8 hours; drip ammoniacal liquor, cyanuric chloride reacts molar weight than being 1:1.9 with ammonia in ammoniacal liquor.Be heated to 25 ℃, continue stir after 10 hours, add sodium carbonate, it reacts molar weight than being 2.9:1 with cyanuric chloride, and is warming up to 65 ℃, continues reaction after 5 hours, after filtration the dry final product halogen Intumescent Retardant System char-forming agent that obtains.
Embodiment 12
To agitator has been installed; dropping funnel; in four neck flasks of thermometer and reflux condensing tube, add cyanuric chloride and acetonitrile, be mixed with the solution that molarity is 1.0mol/L, under nitrogen atmosphere protection, stir cyanuric chloride is uniformly dispersed; drip again piperazine; it reacts molar weight than being 0.4:1 with cyanuric chloride, and in ice bath, controlling temperature is 4 ℃, reacts after 8 hours; drip ammoniacal liquor, cyanuric chloride reacts molar weight than being 1:2.15 with ammonia in ammoniacal liquor.Be heated to 35 ℃, continue stir after 10 hours, add Trimethylamine 99, it reacts molar weight than being 3.1:1 with cyanuric chloride, and is warming up to 70 ℃, continues reaction after 4 hours, after filtration the dry final product halogen Intumescent Retardant System char-forming agent that obtains.
Embodiment 13
To agitator has been installed; dropping funnel; in four neck flasks of thermometer and reflux condensing tube, add cyanuric chloride and methyl-sulphoxide, be mixed with the solution that molarity is 1.25mol/L, under nitrogen atmosphere protection, stir cyanuric chloride is uniformly dispersed; drip again piperazine; it reacts molar weight than being 0.33:1 with cyanuric chloride, and in ice bath, controlling temperature is 0 ℃, reacts after 4 hours; drip ammoniacal liquor, cyanuric chloride reacts molar weight than being 1:1.95 with ammonia in ammoniacal liquor.Be heated to 40 ℃, continue to stir after 8 hours, add the mixture of sodium hydroxide and potassium hydroxide, it reacts molar weight than being 2.9:1 with cyanuric chloride, and be warming up to 65 ℃, continue reaction after 5 hours, after filtration the dry final product halogen Intumescent Retardant System char-forming agent that obtains.
Embodiment 14
To agitator has been installed; dropping funnel; the mixing solutions that adds cyanuric chloride and benzene and dimethylbenzene in four neck flasks of thermometer and reflux condensing tube, is mixed with the solution that molarity is 1.12mol/L, under nitrogen atmosphere protection, stirs cyanuric chloride is uniformly dispersed; drip again piperazine; it reacts molar weight than being 0.67:1 with cyanuric chloride, and in ice bath, controlling temperature is 5 ℃, reacts after 5 hours; drip ammoniacal liquor, cyanuric chloride reacts molar weight than being 1:2.0 with ammonia in ammoniacal liquor.Be heated to 25 ℃, continue to stir after 5 hours, add the mixture of magnesium hydroxide and calcium hydroxide, it reacts molar weight than being 3.05:1 with cyanuric chloride, and be warming up to 70 ℃, continue reaction after 5 hours, after filtration the dry final product halogen Intumescent Retardant System char-forming agent that obtains.
Embodiment 15
To agitator has been installed; dropping funnel; in four neck flasks of thermometer and reflux condensing tube, add cyanuric chloride and mibk, be mixed with the solution that molarity is 1.14mol/L, under nitrogen atmosphere protection, stir cyanuric chloride is uniformly dispersed; drip again piperazine; it reacts molar weight than being 0.5:1 with cyanuric chloride, and in ice bath, controlling temperature is 3 ℃, reacts after 4 hours; drip ammoniacal liquor, cyanuric chloride compares 1:2.1 with the molar weight of reacting of ammonia in ammoniacal liquor.Be heated to 35 ℃, continue to stir after 8 hours, add the mixture of sodium carbonate and magnesium hydroxide, it reacts molar weight than being 3.0:1 with cyanuric chloride, and be warming up to 70 ℃, continue reaction after 5 hours, after filtration the dry final product halogen Intumescent Retardant System char-forming agent that obtains.
Claims (5)
1. a halogen Intumescent Retardant System char-forming agent, is characterized in that described halogen Intumescent Retardant System is as follows with the molecular structure of char-forming agent:
2. the preparation method of char-forming agent for a kind of halogen Intumescent Retardant System as claimed in claim 1, is characterized in that comprising the following steps:
The first step: it is in 10～100% aqueous solutions of organic solvent that cyanuric chloride is dissolved in to volumetric concentration, be mixed with the solution that molarity is 0.8～1.5mol/L, add piperazine, under inert atmosphere protection, stirring reaction obtains reaction intermediate N after completely, N '-bis--(4,6-bis-chloro-[1,3,5]-triazinyl)-piperazine; Wherein temperature of reaction is-10～10 ℃, and the reaction times is 2～8 hours; Cyanuric chloride reacts molar weight than being 1:0.3～0.7 with piperazine;
Second step: add ammoniacal liquor in above-mentioned reaction mixture, be warming up to 20～40 ℃, react 4～10 hours; Cyanuric chloride reacts molar weight than being 1:1.7～2.3 with ammonia content in ammoniacal liquor;
The 3rd step: add acid binding agent in above-mentioned reaction mixture, be warming up to 50～100 ℃, continue reaction 1～6 hour, obtain described halogen Intumescent Retardant System char-forming agent; Cyanuric chloride reacts molar weight than being 1:2.5～3.5 with acid binding agent.
3. the preparation method of char-forming agent for a kind of halogen Intumescent Retardant System according to claim 2, it is characterized in that, in the described the first step, temperature of reaction is-5～5 ℃, reaction times is 5～6 hours, described organic solvent is 1-Methyl-2-Pyrrolidone, N, dinethylformamide, N, N-N,N-DIMETHYLACETAMIDE, mibk, methyl-sulphoxide, tetrahydrofuran (THF), acetone, butanone, pimelinketone, ethyl acetate, chloroform, dioxane, acetonitrile, benzene, the mixture of one or more in toluene or dimethylbenzene and water, its volumetric concentration is 10～100%, described cyanuric chloride and solvent are mixed with the solution that molarity is 1mol/L, described rare gas element is nitrogen or argon gas, described cyanuric chloride reacts molar weight than being 1:0.5～0.6 with piperazine.
4. the preparation method of char-forming agent for a kind of halogen Intumescent Retardant System according to claim 2, it is characterized in that, in described second step, temperature of reaction is 30～40 ℃, reaction times is 7～8 hours, and cyanuric chloride reacts molar weight than being 1:2.0 with ammonia content in ammoniacal liquor.
5. the preparation method of char-forming agent for a kind of halogen Intumescent Retardant System according to claim 2, it is characterized in that, in described the 3rd step, temperature of reaction is 70～80 ℃, reaction times is 3～4 hours, described acid binding agent is one or more the mixture in Trimethylamine 99, triethylamine, pyridine, salt of wormwood, saleratus, sodium carbonate, sodium bicarbonate, sodium hydroxide, potassium hydroxide, calcium hydroxide or magnesium hydroxide, and cyanuric chloride reacts molar weight than being 1:3.0 with acid binding agent.
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Cited By (5)
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| CN104844793A (en) * | 2015-05-27 | 2015-08-19 | 浙江万盛股份有限公司 | Preparation method and application of novel flame-retardant polyether glycol |
| CN105646936A (en) * | 2016-03-15 | 2016-06-08 | 兰州大学 | Carbon-forming agent for halogen-free intumescent flame retardant and preparation method of carbon-forming agent |
| CN108997240A (en) * | 2018-07-24 | 2018-12-14 | 中山苏特宝新材料有限公司 | A kind of production method of high-purity triazines carbon forming agent |
| CN113845725A (en) * | 2021-10-19 | 2021-12-28 | 青岛塑科高分子科技有限公司 | Flame-retardant polypropylene material with good water resistance and preparation method thereof |
| CN114752098A (en) * | 2022-04-12 | 2022-07-15 | 界首市锦丰塑业有限公司 | Plastic basin for flower planting and preparation method thereof |
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104844793A (en) * | 2015-05-27 | 2015-08-19 | 浙江万盛股份有限公司 | Preparation method and application of novel flame-retardant polyether glycol |
| CN105646936A (en) * | 2016-03-15 | 2016-06-08 | 兰州大学 | Carbon-forming agent for halogen-free intumescent flame retardant and preparation method of carbon-forming agent |
| CN108997240A (en) * | 2018-07-24 | 2018-12-14 | 中山苏特宝新材料有限公司 | A kind of production method of high-purity triazines carbon forming agent |
| CN113845725A (en) * | 2021-10-19 | 2021-12-28 | 青岛塑科高分子科技有限公司 | Flame-retardant polypropylene material with good water resistance and preparation method thereof |
| CN114752098A (en) * | 2022-04-12 | 2022-07-15 | 界首市锦丰塑业有限公司 | Plastic basin for flower planting and preparation method thereof |
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