CN102850811A - Environment-friendly flame retardancy and smoke suppression asphalt for halogen-free road and preparation method of asphalt - Google Patents
Environment-friendly flame retardancy and smoke suppression asphalt for halogen-free road and preparation method of asphalt Download PDFInfo
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- CN102850811A CN102850811A CN2012103721436A CN201210372143A CN102850811A CN 102850811 A CN102850811 A CN 102850811A CN 2012103721436 A CN2012103721436 A CN 2012103721436A CN 201210372143 A CN201210372143 A CN 201210372143A CN 102850811 A CN102850811 A CN 102850811A
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Abstract
The invention discloses environment-friendly flame retardancy and smoke suppression asphalt for a halogen-free road. The environment-friendly flame retardancy and smoke suppression asphalt is prepared by raw materials of, by weight, 100 parts of asphalt, 10-30 parts of tourmaline, 10-30 parts of metal hydroxide, 1-10 parts of antismoke agents and 1-5 parts of coupling agents. The tourmaline is tourmaline powders and/or tourmaline anion powders; the metal hydroxide is aluminum hydroxide or magnesium hydroxide; the antismoke agents are zinc borate; and the coupling agents are silane coupling agents. Besides, the invention further provides a preparation method of the environment-friendly flame retardancy and smoke suppression asphalt for the halogen-free road. The environment-friendly flame retardancy and smoke suppression asphalt is high in oxygen index, capable of producing a self-extinguishing phenomenon, free from producing harmful gases of halogen hydride and the like during combustion, low in production cost, simple in preparation process, environment-friendly and pollution-free in production and wide in application range.
Description
Technical field
The invention belongs to the pavement material technical field, be specifically related to a kind of environment friendly non-halogen road fire-resistant and press down cigarette pitch and preparation method thereof.
Background technology
In recent years, be accompanied by building fast of China's mountainous area highway, the ratio of vcehicular tunnel presents ascendant trend.Bituminous pavement uses in the tunnel gradually owing to the many advantages of himself.But as a kind of organic polymer material, pitch has obvious combustibility.The burning of pitch is the complicated physical and chemical process of a heat release, decomposition, decomposite hydrogen, methane, benzene and alkanes inflammable gas in the burning, these burning of gass have further been accelerated again the thermolysis of pitch, so that the characteristics of pitch fire are the oncoming force is violent, expansion is fast, scope is wide, loss is large.When major traffic accidents occur in the vcehicular tunnel of semiclosed property, pitch is dissolvable in water or is partially dissolved in gasoline, kerosene, diesel oil or other organic solvent that exposes and participates in combustion processes, produced simultaneously a large amount of smog has a strong impact on rescue, has aggravated the people life property loss.Though widely used halogen containing flame-retardant has good flame retardant properties now, can reduce to a certain extent the generation of Asphalt Pavement Fire in the tunnel, when burning, can produce the toxic and harmfuls such as hydrogen sulfide, can produce than major injury human body and environment.So develop a kind of environmentally friendly environmental protection flame-retardant asphalt with flame retarding and smoke suppressing properties and be now problem demanding prompt solution.
Summary of the invention
Technical problem to be solved by this invention is for above-mentioned the deficiencies in the prior art, provides a kind of environment friendly non-halogen road fire-resistant to press down cigarette pitch.This flame-retardant smoke inhibition Investigation of Asphalt Oxygen-index is higher, can produce from putting out phenomenon, and can not produce the obnoxious flavour such as hydrogen halide during burning, and production cost is lower, and preparation technology is simple, produce environment friendly and pollution-free, wide application.
For solving the problems of the technologies described above, the technical solution used in the present invention is: a kind of environment friendly non-halogen road fire-resistant presses down cigarette pitch, it is characterized in that, raw material by following weight part is made: 100 parts of pitches, 10～30 parts in tourmalinite, 10～30 parts of metal hydroxidess, 1～10 part of smoke suppressor, 1～5 part of coupling agent; Described tourmalinite is tourmaline powder and/or tourmaline anion powder; Described metal hydroxides is aluminium hydroxide or magnesium hydroxide; Described smoke suppressor is zinc borate; Described coupling agent is silane coupling agent.
Above-mentioned a kind of environment friendly non-halogen road fire-resistant presses down cigarette pitch, is made by the raw material of following weight part: 100 parts of pitches, 15～25 parts in tourmalinite, 12～20 parts of metal hydroxidess, 4～8 parts of smoke suppressors, 2～4 parts of coupling agents.
Above-mentioned a kind of environment friendly non-halogen road fire-resistant presses down cigarette pitch, is made by the raw material of following weight part: 100 parts of pitches, 20 parts in tourmalinite, 15 parts of metal hydroxidess, 6 parts of smoke suppressors, 3 parts of coupling agents.
Above-mentioned a kind of environment friendly non-halogen road fire-resistant presses down cigarette pitch, and described pitch is bi tumenf orr oad, SBS modifying asphalt, SBR modifying asphalt or rubber modified asphalt.
In addition, the invention also discloses a kind of method that above-mentioned environment friendly non-halogen road fire-resistant presses down cigarette pitch for preparing, it is characterized in that the method may further comprise the steps:
Step 1, with asphalt heating to 140 ℃～180 ℃, then add tourmalinite, metal hydroxides, smoke suppressor and coupling agent in the pitch after the heating, stirring obtains compound;
Step 2, adopt high-speed shearing machine under 1000r/min with mixture shearing described in the step 1 10 minutes, high speed shear 30 minutes under 5000r/min～6000r/min obtains the environment friendly non-halogen road fire-resistant and presses down cigarette pitch again.
Described weight part can be the weight metering units such as gram, two, jin, kilogram, ton.
The present invention compared with prior art has the following advantages:
1, flame-retardant smoke inhibition Investigation of Asphalt Oxygen-index of the present invention is higher, can produce from putting out phenomenon, and can not produce the obnoxious flavour such as hydrogen halide during burning, and production cost is lower, and preparation technology is simple, produce environment friendly and pollution-free, wide application.
2, the flame-retardant smoke inhibition mechanism of flame-retardant smoke inhibition pitch of the present invention is under pitch combustion high temperature condition, tourmalinite has been blocked the generating plane that unburned pitch participates in burning by accelerating the firing level charing, give full play to simultaneously its thermoelectricity capability, the electronics that discharges that is heated can fully adsorb the glance coal that burning produces under electrostatic interaction.
3, the metal hydroxides that adds in the flame-retardant smoke inhibition pitch of the present invention can play and promote and the cooperative flame retardant effect, improves the effect of flame retarding efficiency.
Below by embodiment technical scheme of the present invention is described in further detail.
Embodiment
Embodiment 1
The environment friendly non-halogen road fire-resistant of present embodiment presses down cigarette pitch, is made by following raw material: pitch 100kg, tourmalinite 10kg, metal hydroxides 10kg, smoke suppressor 10kg, coupling agent 1kg; Described pitch is bi tumenf orr oad (Korea S SK70# pitch); Described tourmalinite is tourmaline powder (fineness can be 100 orders, 200 orders, 325 orders, 400 orders, 800 orders or 2000 orders etc.); Described metal hydroxides is aluminium hydroxide; Described smoke suppressor is zinc borate; Described coupling agent is Silane coupling agent KH550.
The preparation method that the environment friendly non-halogen road fire-resistant of present embodiment presses down cigarette pitch is:
Step 1, with asphalt heating to 140 ℃, then add tourmalinite, metal hydroxides, smoke suppressor and coupling agent in the pitch after the heating, stirring obtains compound;
Step 2, adopt high-speed shearing machine under 1000r/min with mixture shearing described in the step 1 10 minutes, high speed shear 30 minutes under 5000r/min obtains the environment friendly non-halogen road fire-resistant and presses down cigarette pitch again.
Embodiment 2
The environment friendly non-halogen road fire-resistant of present embodiment presses down cigarette pitch, is made by following raw material: pitch 100kg, tourmalinite 30kg, metal hydroxides 30kg, smoke suppressor 1kg, coupling agent 5kg; Described pitch is the SBS modifying asphalt; Described tourmalinite is tourmaline anion powder (fineness is that 325 orders or negative ion burst size are 2000ions, 5000ions, 8000ions, 10000ions or 20000ions etc.); Described metal hydroxides is magnesium hydroxide; Described smoke suppressor is zinc borate; Described coupling agent is silane coupling agent KH570.
The preparation method that the environment friendly non-halogen road fire-resistant of present embodiment presses down cigarette pitch is:
Step 1, with asphalt heating to 170 ℃, then add tourmalinite, metal hydroxides, smoke suppressor and coupling agent in the pitch after the heating, stirring obtains compound;
Step 2, adopt high-speed shearing machine under 1000r/min with mixture shearing described in the step 1 10 minutes, high speed shear 30 minutes under 6000r/min obtains the environment friendly non-halogen road fire-resistant and presses down cigarette pitch again.
Embodiment 3
The environment friendly non-halogen road fire-resistant of present embodiment presses down cigarette pitch, is made by following raw material: pitch 100kg, tourmalinite 25kg, metal hydroxides 12kg, smoke suppressor 8kg, coupling agent 4kg; Described pitch is the SBR modifying asphalt; Described tourmalinite is the mixture that tourmaline powder (fineness can be 100 orders, 200 orders, 325 orders, 400 orders, 800 orders or 2000 orders etc.) and tourmaline anion powder (fineness is that 325 orders or negative ion burst size are 2000ions, 5000ions, 8000ions, 10000ions or 20000ions etc.) are pressed 1: 1 mass ratio mixing; Described metal hydroxides is aluminium hydroxide; Described smoke suppressor is zinc borate; Described coupling agent is silane coupling agent KH792.
The preparation method that the environment friendly non-halogen road fire-resistant of present embodiment presses down cigarette pitch is:
Step 1, with asphalt heating to 160 ℃, then add tourmalinite, metal hydroxides, smoke suppressor and coupling agent in the pitch after the heating, stirring obtains compound;
Step 2, adopt high-speed shearing machine under 1000r/min with mixture shearing described in the step 1 10 minutes, high speed shear 30 minutes under 5000r/min obtains the environment friendly non-halogen road fire-resistant and presses down cigarette pitch again.
Embodiment 4
The environment friendly non-halogen road fire-resistant of present embodiment presses down cigarette pitch, is made by following raw material: pitch 100kg, tourmalinite 15kg, metal hydroxides 20kg, smoke suppressor 4kg, coupling agent 2kg; Described pitch is rubber modified asphalt; Described tourmalinite is tourmaline anion powder (fineness is that 325 orders or negative ion burst size are 2000ions, 5000ions, 8000ions, 10000ions or 20000ions etc.); Described metal hydroxides is magnesium hydroxide; Described smoke suppressor is zinc borate; Described coupling agent is silane coupling agent DL602.
The preparation method that the environment friendly non-halogen road fire-resistant of present embodiment presses down cigarette pitch is:
Step 1, with asphalt heating to 180 ℃, then add tourmalinite, metal hydroxides, smoke suppressor and coupling agent in the pitch after the heating, stirring obtains compound;
Step 2, adopt high-speed shearing machine under 1000r/min with mixture shearing described in the step 1 10 minutes, high speed shear 30 minutes under 6000r/min obtains the environment friendly non-halogen road fire-resistant and presses down cigarette pitch again.
Embodiment 5
The environment friendly non-halogen road fire-resistant of present embodiment presses down cigarette pitch, is made by following raw material: pitch 100kg, tourmalinite 20kg, metal hydroxides 15kg, smoke suppressor 6kg, coupling agent 3kg; Described pitch is bi tumenf orr oad (AH90# pitch); Described tourmalinite is tourmaline powder (fineness can be 100 orders, 200 orders, 325 orders, 400 orders, 800 orders or 2000 orders etc.); Described metal hydroxides is aluminium hydroxide; Described smoke suppressor is zinc borate; Described coupling agent is silane coupling agent DL171.
The preparation method that the environment friendly non-halogen road fire-resistant of present embodiment presses down cigarette pitch is:
Step 1, with asphalt heating to 150 ℃, then add tourmalinite, metal hydroxides, smoke suppressor and coupling agent in the pitch after the heating, stirring obtains compound;
Step 2, adopt high-speed shearing machine under 1000r/min with mixture shearing described in the step 1 10 minutes, high speed shear 30 minutes under 5000r/min obtains the environment friendly non-halogen road fire-resistant and presses down cigarette pitch again.
The properties that the environment friendly non-halogen road fire-resistant of embodiment 1 to embodiment 5 is pressed down cigarette pitch detects, and the results are shown in following table:
The environment friendly non-halogen road fire-resistant of table 1 embodiment 1-5 presses down the performance of cigarette pitch
As can be seen from the above table, environment friendly non-halogen road fire-resistant of the present invention presses down the cigarette penetration of bitumens and softening temperature has all reached the requirement that bi tumenf orr oad is stipulated, and oxygen index is 19.7% greater than the common SBS modifying asphalt of 23%(oxygen index), smoke density is all less than 75, the flue gas toxity grade safe one-level (ZA1) that is as the criterion has reached the related request of country to fire retardant material.
The above; it only is preferred embodiment of the present invention; be not that the present invention is done any restriction, every any simple modification, change and equivalent structure of above embodiment being done according to the invention technical spirit changes, and all still belongs in the protection domain of technical solution of the present invention.
Claims (5)
1. an environment friendly non-halogen road fire-resistant presses down cigarette pitch, it is characterized in that, is made by the raw material of following weight part: 100 parts of pitches, 10～30 parts in tourmalinite, 10～30 parts of metal hydroxidess, 1～10 part of smoke suppressor, 1～5 part of coupling agent; Described tourmalinite is tourmaline powder and/or tourmaline anion powder; Described metal hydroxides is aluminium hydroxide or magnesium hydroxide; Described smoke suppressor is zinc borate; Described coupling agent is silane coupling agent.
2. a kind of environment friendly non-halogen road fire-resistant according to claim 1 presses down cigarette pitch, it is characterized in that, is made by the raw material of following weight part: 100 parts of pitches, 15～25 parts in tourmalinite, 12～20 parts of metal hydroxidess, 4～8 parts of smoke suppressors, 2～4 parts of coupling agents.
3. a kind of environment friendly non-halogen road fire-resistant according to claim 2 presses down cigarette pitch, it is characterized in that, is made by the raw material of following weight part: 100 parts of pitches, 20 parts in tourmalinite, 15 parts of metal hydroxidess, 6 parts of smoke suppressors, 3 parts of coupling agents.
4. according to claim 1,2 or 3 described a kind of environment friendly non-halogen road fire-resistants press down cigarette pitch, it is characterized in that described pitch is bi tumenf orr oad, SBS modifying asphalt, SBR modifying asphalt or rubber modified asphalt.
5. one kind prepares the method that presses down cigarette pitch such as claim 1,2 or 3 described environment friendly non-halogen road fire-resistants, it is characterized in that the method may further comprise the steps:
Step 1, with asphalt heating to 140 ℃～180 ℃, then add tourmalinite, metal hydroxides, smoke suppressor and coupling agent in the pitch after the heating, stirring obtains compound;
Step 2, adopt high-speed shearing machine under 1000r/min with mixture shearing described in the step 1 10 minutes, high speed shear 30 minutes under 5000r/min～6000r/min obtains the environment friendly non-halogen road fire-resistant and presses down cigarette pitch again.
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| Application Number | Priority Date | Filing Date | Title |
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| CN2012103721436A CN102850811A (en) | 2012-09-29 | 2012-09-29 | Environment-friendly flame retardancy and smoke suppression asphalt for halogen-free road and preparation method of asphalt |
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| CN2012103721436A CN102850811A (en) | 2012-09-29 | 2012-09-29 | Environment-friendly flame retardancy and smoke suppression asphalt for halogen-free road and preparation method of asphalt |
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Cited By (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103013147A (en) * | 2013-01-12 | 2013-04-03 | 天津市市政工程设计研究院 | Flame-retardant modified asphalt and preparation method thereof |
| CN103044937A (en) * | 2013-01-12 | 2013-04-17 | 天津市市政工程设计研究院 | Flame-retardant smoke-suspension asphalt for environment-friendly road and preparation method of asphalt |
| CN103059592A (en) * | 2013-01-28 | 2013-04-24 | 长安大学 | Environment-friendly flame-retardant asphalt and preparation method thereof |
| CN106633959A (en) * | 2016-12-09 | 2017-05-10 | 钦州市钦南区科学技术情报研究所 | Modified asphalt and preparation method thereof |
| CN107163596A (en) * | 2017-06-26 | 2017-09-15 | 长安大学 | A kind of non-halogen flame-proof smoke-restraining pitch and preparation method thereof |
| CN107286554A (en) * | 2017-06-28 | 2017-10-24 | 常州万博金属构件厂 | A kind of flame-retardant pitch and preparation method thereof |
| CN108250778A (en) * | 2018-01-15 | 2018-07-06 | 长安大学 | The compound fire retardant stage by stage of tunnel sheet pavement environmental protection and preparation method and application |
| CN108329703A (en) * | 2018-02-06 | 2018-07-27 | 郑州大学 | A kind of smoke-inhibiting type asphalt flame-retardant agent and preparation method thereof |
| CN109401341A (en) * | 2018-08-23 | 2019-03-01 | 安徽建筑大学 | Pitch and preparation method thereof is strengthened in a kind of low smoke |
| CN109626871A (en) * | 2018-10-29 | 2019-04-16 | 邹峰 | A kind of preparation method of the dedicated tourmaline modified pitch of road pavement |
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| CN1935903A (en) * | 2005-09-22 | 2007-03-28 | 深圳市海川实业股份有限公司 | Halogen-free roadfire-resistant asphalt |
| CN102417737A (en) * | 2011-11-17 | 2012-04-18 | 长安大学 | Low-carbon tourmalinite modified asphalt and preparation method thereof |
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- 2012-09-29 CN CN2012103721436A patent/CN102850811A/en active Pending
Patent Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1935903A (en) * | 2005-09-22 | 2007-03-28 | 深圳市海川实业股份有限公司 | Halogen-free roadfire-resistant asphalt |
| CN102417737A (en) * | 2011-11-17 | 2012-04-18 | 长安大学 | Low-carbon tourmalinite modified asphalt and preparation method thereof |
Cited By (11)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103013147A (en) * | 2013-01-12 | 2013-04-03 | 天津市市政工程设计研究院 | Flame-retardant modified asphalt and preparation method thereof |
| CN103044937A (en) * | 2013-01-12 | 2013-04-17 | 天津市市政工程设计研究院 | Flame-retardant smoke-suspension asphalt for environment-friendly road and preparation method of asphalt |
| CN103059592A (en) * | 2013-01-28 | 2013-04-24 | 长安大学 | Environment-friendly flame-retardant asphalt and preparation method thereof |
| CN103059592B (en) * | 2013-01-28 | 2015-07-15 | 长安大学 | Environment-friendly flame-retardant asphalt and preparation method thereof |
| CN106633959A (en) * | 2016-12-09 | 2017-05-10 | 钦州市钦南区科学技术情报研究所 | Modified asphalt and preparation method thereof |
| CN107163596A (en) * | 2017-06-26 | 2017-09-15 | 长安大学 | A kind of non-halogen flame-proof smoke-restraining pitch and preparation method thereof |
| CN107286554A (en) * | 2017-06-28 | 2017-10-24 | 常州万博金属构件厂 | A kind of flame-retardant pitch and preparation method thereof |
| CN108250778A (en) * | 2018-01-15 | 2018-07-06 | 长安大学 | The compound fire retardant stage by stage of tunnel sheet pavement environmental protection and preparation method and application |
| CN108329703A (en) * | 2018-02-06 | 2018-07-27 | 郑州大学 | A kind of smoke-inhibiting type asphalt flame-retardant agent and preparation method thereof |
| CN109401341A (en) * | 2018-08-23 | 2019-03-01 | 安徽建筑大学 | Pitch and preparation method thereof is strengthened in a kind of low smoke |
| CN109626871A (en) * | 2018-10-29 | 2019-04-16 | 邹峰 | A kind of preparation method of the dedicated tourmaline modified pitch of road pavement |
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Application publication date: 20130102 |