CN109385104A - A kind of preparation method and applications of warm mix environmentally-friendly asphalt fire retardant - Google Patents

A kind of preparation method and applications of warm mix environmentally-friendly asphalt fire retardant Download PDF

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Publication number
CN109385104A
CN109385104A CN201710679573.5A CN201710679573A CN109385104A CN 109385104 A CN109385104 A CN 109385104A CN 201710679573 A CN201710679573 A CN 201710679573A CN 109385104 A CN109385104 A CN 109385104A
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asphalt
retardant
pitch
warm mix
fire retardant
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CN201710679573.5A
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Chinese (zh)
Inventor
厉军
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Changzhou Lildton New Material Technology Co Ltd
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Changzhou Lildton New Material Technology Co Ltd
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Priority to CN201710679573.5A priority Critical patent/CN109385104A/en
Publication of CN109385104A publication Critical patent/CN109385104A/en
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K13/00Use of mixtures of ingredients not covered by one single of the preceding main groups, each of these compounds being essential
    • C08K13/04Ingredients characterised by their shape and organic or inorganic ingredients
    • CCHEMISTRY; METALLURGY
    • C04CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04BLIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02Macromolecular compounds
    • C04B26/26Bituminous materials, e.g. tar, pitch
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/30Sulfur-, selenium- or tellurium-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/32Phosphorus-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/09Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098Metal salts of carboxylic acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/13Phenols; Phenolates
    • C08K5/134Phenols containing ester groups
    • C08K5/1345Carboxylic esters of phenolcarboxylic acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K7/00Use of ingredients characterised by shape
    • C08K7/22Expanded, porous or hollow particles
    • C08K7/24Expanded, porous or hollow particles inorganic
    • C08K7/26Silicon- containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/32Phosphorus-containing compounds
    • C08K2003/321Phosphates
    • C08K2003/322Ammonium phosphate
    • C08K2003/323Ammonium polyphosphate
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/02Flame or fire retardant/resistant
    • YGENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
    • Y02TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
    • Y02ATECHNOLOGIES FOR ADAPTATION TO CLIMATE CHANGE
    • Y02A30/00Adapting or protecting infrastructure or their operation
    • Y02A30/30Adapting or protecting infrastructure or their operation in transportation, e.g. on roads, waterways or railways

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Ceramic Engineering (AREA)
  • Materials Engineering (AREA)
  • Structural Engineering (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

A kind of warm mix environmentally-friendly asphalt fire retardant of the present invention, the component including following weight ratio: the organic fire-retardant of 0-15%, the zeolite molecular sieve of 75%-90%, the foam stabiliser of 0-3%, the emulsifier of 0-3% and the antioxidant of 0-5%.The present invention provides one kind and can use as warm-mixing agent but also use as fire-retardant, it is at low cost, environmental protection and the simple warm mix environmentally-friendly asphalt fire retardant of preparation process, solve the problems, such as that bituminous pavement is easy burning at high temperature and produces thick smoke in combustion and heat, asphalt flame-retardant agent and pitch have good compatibility, it can be uniformly dispersed in asphalt, not only increase the anti-flammability of pitch, and do not influence the performance of pitch script, reduce carbon dioxide, the discharge of nitrogen oxide and volatilizable organic matter, quality is stablized, meet highway, the requirement to pitch such as tunnel.

Description

A kind of preparation method and applications of warm mix environmentally-friendly asphalt fire retardant
Technical field
The present invention relates to flame-retardant pitch technical field, specifically a kind of preparation method of warm mix environmentally-friendly asphalt fire retardant And its application.
Background technique
In recent decades, it being constantly progressive as China is scientific and technical, highway development at full speed, based on pitch Construction raw material, especially as applying in continuous development for ground surface material.Bituminous pavement is a kind of semi-rigid road Face has the characteristics that damping is comfortable, is easy to maintain, is the preferred road surface form of current vcehicular tunnel.Pitch is with resin and rubber For matrix, so that pitch itself has certain inflammability, especially pitch is easy to be ignited in the case of a high temperature, and burns When can be with a large amount of dense smoke and heat, risk is very big.When traffic accident occurs often with fire, bituminous pavement also can On fire simultaneously or generation dense smoke, is not only virtually increasing the difficulty of rescue and relief work and personnel escape, but also increase public affairs The maintenance cost in road tunnel.It therefore, is necessary, the addition of asphalt flame-retardant agent using asphalt flame-retardant agent and asphalt warm-mix agent Can highway have a car accident cause fire when, prevent bituminous pavement from burning;The addition of asphalt warm-mix agent can prevent from constructing Asphalt temperature is excessively high in journey, caused by harm of the smog to construction personnel.
The prior art generally using in asphalt addition polymer material can be prevented to ignite or inhibit flame propagation Fire retardant, with realize slow down or terminates burn achieve the purpose that it is fire-retardant.But current fire retardant is usually aluminium hydroxide, hydrogen-oxygen Change magnesium or organic polymer, the organic components in fire retardant can generate pernicious gas, pollution by decomposed in the high temperature process Environment is unfavorable for environmental protection, and the inorganic component in fire retardant can generate isolation in the high temperature process, can not only reduce fire retardant Flame retardant effect can make bituminous pavement be damaged, and increase the maintenance expense on road surface.
Summary of the invention
The technical problem to be solved by the present invention is to overcome the existing defects, provide one kind can use as warm-mixing agent but also It is used as fire retardant, is at low cost, the simple warm mix environmentally-friendly asphalt fire retardant of environmentally friendly and preparation process.
In order to solve the above-mentioned technical problems, the present invention provides the following technical solutions:
A kind of warm mix environmentally-friendly asphalt fire retardant, the component including following weight ratio: organic fire-retardant, the 75%- of 0-15% 90% zeolite molecular sieve, the foam stabiliser of 0-3%, the emulsifier of 0-3% and 0-5% antioxidant.
Further, the zeolite molecular sieve is 3A, 4A or 13X zeolite molecular sieve.
Further, the crystal water content of the zeolite molecular sieve is not less than 10%, and being averaged for the zeolite molecular sieve is straight Diameter is less than 400um.
Further, the organic fire-retardant is phosphorus flame retardant, nitrogenated flame retardant or phosphor nitrogen combustion inhibitor.
Further, the foam stabiliser is sodium sulphate or zinc stearate.
Further, the antioxidant is at least one of antioxidant 1010, antioxidant 1076, antioxidant 164.
Further, a kind of method preparing warm mix environmentally-friendly asphalt fire retardant, comprising: by weight by organic fire-resisting Agent, zeolite molecular sieve, foam stabiliser, emulsifier and antioxidant are thrown in batch mixer, high-speed stirred 15min-30min, into Row is uniformly mixed.
Further, the application of a kind of warm mix environmentally-friendly asphalt fire retardant, is used to prepare antiflaming asphalt mixture, packet It includes: the asphalt flame-retardant agent of 5%-15% pitch weight being added into pitch, obtains the antiflaming asphalt mixture.
Further, the antiflaming asphalt mixture further includes building stones and miberal powder, building stones and pitch respectively 140 DEG C- It being preheated at 160 DEG C, asphalt flame-retardant agent is added step-wise in the asphalt tank containing pitch under bitumenpump stirring action, it The pitch, building stones and miberal powder that mix are added in mixture blender afterwards, stirring 30-40min is uniformly mixed.
Further, the antiflaming asphalt mixture further includes building stones and miberal powder, building stones and pitch at 140 DEG C -160 DEG C Under heated, asphalt flame-retardant agent and heating after building stones, pitch simultaneously be added in the mixture blender containing miberal powder, 30-40min is stirred to be uniformly mixed.
Beneficial effects of the present invention:
(1) solve the problems, such as that bituminous pavement is easy burning at high temperature and produces thick smoke in combustion and heat;
(2) asphalt flame-retardant agent and pitch have good compatibility, can be uniformly dispersed in asphalt, not only The anti-flammability of pitch is improved, and does not influence the performance of pitch script;
(3) it is contributed for environmental protection, reduces the discharge of carbon dioxide, nitrogen oxide and volatilizable organic matter;
(4) preparation process is simple, at low cost, warm-mixing agent, good flame retardation effect, and quality is stablized, and meets highway, tunnel etc. to drip Green requirement;
(5) shorten the traffic open hour by having spread the rapid cooling of mixture, save and optimize resource;
(6) foam stabiliser, which prevents vapor from overflowing, becomes free water, reduces the harm to pitch, extends asphalt road The service life in face.
Specific embodiment
It is that preferred embodiment of the present invention will be described below, it should be understood that preferred embodiment described herein is only For instruction and explanation of the present invention, it is not intended to limit the present invention.
A kind of warm mix environmentally-friendly asphalt fire retardant, the component including following weight ratio: organic fire-retardant, the 75%- of 0-15% 90% zeolite molecular sieve, the foam stabiliser of 0-3%, the emulsifier of 0-3% and 0-5% antioxidant, the zeolite point Son sieve is 3A, 4A or 13X zeolite molecular sieve, and the crystal water content of the zeolite molecular sieve is not less than 10%, the zeolite molecules The average diameter of sieve be less than 400um, the organic fire-retardant be phosphorus flame retardant, nitrogenated flame retardant or phosphor nitrogen combustion inhibitor, it is described Foam stabiliser is sodium sulphate or zinc stearate, and the antioxidant is antioxidant 1010, in antioxidant 1076, antioxidant 164 It is at least one.
A kind of method preparing warm mix environmentally-friendly asphalt fire retardant, comprising: divide by weight by organic fire-retardant, zeolite Sub- sieve, foam stabiliser, emulsifier and antioxidant are thrown in batch mixer, high-speed stirred 15min-30min, mix It is even.
A kind of application of warm mix environmentally-friendly asphalt fire retardant, is used to prepare antiflaming asphalt mixture, comprising: into pitch The asphalt flame-retardant agent of 5%-15% pitch weight is added, obtains the antiflaming asphalt mixture, the antiflaming asphalt mixture is also Including building stones and miberal powder, building stones and pitch are preheated at 140 DEG C -160 DEG C respectively, asphalt flame-retardant agent is stirred in bitumenpump It is added step-wise in the asphalt tank containing pitch under the effect of mixing, the pitch, building stones and miberal powder that mix is added to mixing later Expect in blender, stirring 30-40min is uniformly mixed.
A kind of application of warm mix environmentally-friendly asphalt fire retardant, is used to prepare antiflaming asphalt mixture, comprising: into pitch The asphalt flame-retardant agent of 5%-15% pitch weight is added, obtains the antiflaming asphalt mixture, the antiflaming asphalt mixture is also Including building stones and miberal powder, building stones and pitch are heated at 140 DEG C -160 DEG C, the stone after asphalt flame-retardant agent and heating Material, pitch are added in the mixture blender containing miberal powder simultaneously, and stirring 30-40min is uniformly mixed.
Embodiment 1:
In batch mixer, by weight be added 15% ammonium polyphosphate, 77% zeolite molecular sieve, 2% foam stablize Agent, 3% emulsifier and 3% antioxidant, high-speed stirred 15min carries out uniformly mixed, and asphalt flame-retardant agent can be obtained.
Embodiment 2:
In batch mixer, by weight be added 13% ammonium polyphosphate, 80% zeolite molecular sieve, 1% foam stablize Agent, 2% emulsifier and 4% antioxidant, high-speed stirred 20min carries out uniformly mixed, and asphalt flame-retardant agent can be obtained.
Embodiment 3:
In batch mixer, by weight be added 5% ammonium polyphosphate, 85% zeolite molecular sieve, 3% foam stablize Agent, 2% emulsifier and 5% antioxidant, high-speed stirred 25min carries out uniformly mixed, and asphalt flame-retardant agent can be obtained.
Embodiment 4:
In batch mixer, by weight be added 7% ammonium polyphosphate, 88% zeolite molecular sieve, 2% foam stablize Agent, 1% emulsifier and 2% antioxidant, high-speed stirred 25min carries out uniformly mixed, and asphalt flame-retardant agent can be obtained.
Embodiment 5:
In batch mixer, by weight be added 6% ammonium polyphosphate, 90% zeolite molecular sieve, 1% foam stablize Agent, 2% emulsifier and 1% antioxidant, high-speed stirred 30min carries out uniformly mixed, and asphalt flame-retardant agent can be obtained.
A kind of experimental principle of warm mix environmentally-friendly asphalt fire retardant of the present invention is:
The crystallization water is precipitated to form stable foam from zeolite molecular sieve, and countless ball effects is formed in pitch, thus So that pitch still can be constructed at a lower temperature, when temperature drop to the boiling point of water hereinafter, moisture content can be reduced to the crystallization water or Static Adsorption water is hidden in the porous structure of zeolite molecular sieve, this part water generates inert gas cover in pitch burning Or the fire retardant layer of solid char is to play suppression cigarette, cooling and fire retardation.
The foregoing is only a preferred embodiment of the present invention, is not intended to restrict the invention, although referring to aforementioned reality Applying example, invention is explained in detail, for those skilled in the art, still can be to aforementioned each implementation Technical solution documented by example is modified or equivalent replacement of some of the technical features.It is all in essence of the invention Within mind and principle, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.

Claims (10)

1. a kind of warm mix environmentally-friendly asphalt fire retardant, characterized in that the component including following weight ratio: the organic fire-resisting of 0-15% Agent, the zeolite molecular sieve of 75%-90%, the foam stabiliser of 0-3%, the emulsifier of 0-3% and 0-5% antioxidant.
2. a kind of warm mix environmentally-friendly asphalt fire retardant according to claim 1, it is characterized in that: the zeolite molecular sieve be 3A, 4A or 13X zeolite molecular sieve.
3. a kind of warm mix environmentally-friendly asphalt fire retardant according to claim 1 or 2, it is characterized in that: the zeolite molecular sieve Crystal water content is not less than 10%, and the average diameter of the zeolite molecular sieve is less than 400um.
4. a kind of warm mix environmentally-friendly asphalt fire retardant according to claim 1, it is characterized in that: the organic fire-retardant is phosphorus system Fire retardant, nitrogenated flame retardant or phosphor nitrogen combustion inhibitor.
5. a kind of warm mix environmentally-friendly asphalt fire retardant according to claim 1, it is characterized in that: the foam stabiliser is sulfuric acid Sodium or zinc stearate.
6. a kind of warm mix environmentally-friendly asphalt fire retardant according to claim 1, it is characterized in that: the antioxidant is antioxidant 1010, at least one of antioxidant 1076, antioxidant 164.
7. a kind of method for preparing warm mix environmentally-friendly asphalt fire retardant as claimed in any one of claims 1 to 6, it is characterized in that: by weight Organic fire-retardant, zeolite molecular sieve, foam stabiliser, emulsifier and antioxidant are thrown in batch mixer by amount ratio, high-speed stirred 15min-30min is carried out uniformly mixed.
8. a kind of application of warm mix environmentally-friendly asphalt fire retardant, is used to prepare antiflaming asphalt mixture, it is characterized in that: adding into pitch The asphalt flame-retardant agent for entering 5%-15% pitch weight, obtains the antiflaming asphalt mixture, and the asphalt flame-retardant agent is wanted for right Ask the described in any item asphalt flame-retardant agent of 1-7.
9. the application of a kind of warm mix environmentally-friendly asphalt fire retardant according to claim 8, it is characterized in that: the flame-retardant pitch is mixed Closing material further includes building stones and miberal powder, building stones and pitch is preheated at 140 DEG C -160 DEG C respectively, asphalt flame-retardant agent is dripping It is added step-wise in the asphalt tank containing pitch under blueness pump stirring action, the pitch, building stones and miberal powder mixed is added later Into mixture blender, stirring 30-40min is uniformly mixed.
10. the application of a kind of warm mix environmentally-friendly asphalt fire retardant according to claim 8, it is characterized in that: the flame-retardant pitch Mixture further includes building stones and miberal powder, building stones and pitch is heated at 140 DEG C -160 DEG C, asphalt flame-retardant agent and heating Building stones, pitch afterwards is added in the mixture blender containing miberal powder simultaneously, and stirring 30-40min is uniformly mixed.
CN201710679573.5A 2017-08-10 2017-08-10 A kind of preparation method and applications of warm mix environmentally-friendly asphalt fire retardant Pending CN109385104A (en)

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Cited By (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116041784A (en) * 2022-10-28 2023-05-02 熙恒科技(常熟)有限公司 Preparation method of environment-friendly flame-retardant warm mix agent for foam warm mix asphalt

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* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN116041784A (en) * 2022-10-28 2023-05-02 熙恒科技(常熟)有限公司 Preparation method of environment-friendly flame-retardant warm mix agent for foam warm mix asphalt
CN116041784B (en) * 2022-10-28 2024-05-14 熙恒科技(常熟)有限公司 Preparation method of environment-friendly flame-retardant warm mix agent for foam warm mix asphalt

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