CN106243750A - A kind of halogen-free expansible asphalt flame-retardant agent and application thereof - Google Patents
A kind of halogen-free expansible asphalt flame-retardant agent and application thereof Download PDFInfo
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- CN106243750A CN106243750A CN201610712086.XA CN201610712086A CN106243750A CN 106243750 A CN106243750 A CN 106243750A CN 201610712086 A CN201610712086 A CN 201610712086A CN 106243750 A CN106243750 A CN 106243750A
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- C08K5/00—Use of organic ingredients
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- C08K5/34—Heterocyclic compounds having nitrogen in the ring
- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
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- C08K5/3467—Heterocyclic compounds having nitrogen in the ring having more than two nitrogen atoms in the ring
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- C08K3/32—Phosphorus-containing compounds
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- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
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- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
Abstract
The invention discloses a kind of halogen-free expansible asphalt flame-retardant agent, be made up of the raw material of following weight portion: halogen-free expanded flame-retardant agent 50～70 parts, smoke suppressant 5～15 parts, flame retardancy synergists 10～40 parts.Additionally, the invention also discloses above-mentioned halogen-free expansible asphalt flame-retardant agent for preparing fire-retardant modified asphalt, concrete preparation process is: Colophonium is heated to 170 DEG C～190 DEG C, it is subsequently adding halogen-free expansible asphalt flame-retardant agent, mix and blend 1h～1.5h under conditions of stir speed (S.S.) is 500r/min～600r/min, obtain described fire-retardant modified asphalt, quality is described asphalt quality 10%～the 40% of described halogen-free expansible asphalt flame-retardant agent, described halogen-free expansible asphalt flame-retardant agent is halogen-free expansible asphalt flame-retardant agent described in any one of claim 1～8.The halogen-free expansible asphalt flame-retardant agent of the present invention has halogen-free environmental, easily adds, fire-retardant persistently, the feature that smoke release is little, be applied in fire-retardant modified asphalt, to the pavement performance of Colophonium without substantially deteriorating, and be effectively improved the fire resistance of Colophonium.
Description
Technical field
The invention belongs to pavement construction material technical field, be specifically related to a kind of halogen-free expansible asphalt flame-retardant agent and answer
With.
Background technology
Along with the fast development of Chinese national economy, the volume of traffic increases sharply, and vehicle maximizes increasingly, and Modern Traffic is satisfied the need
Face construction quality proposes the highest requirement, and bituminous paving is with its good mechanical property, smooth wear-resisting surface, comfortable
The good construction workability of train operation performance and be widely applied.In expressway construction, asphalt concrete pavement with
Seamless, profile pattern are good, driving is steady, comfortableness is strong, mechanization of building operation degree high, progress is fast, quality good, maintenance is simple
Etc. advantage, it is used for building highway, bridge floor and tunnel pavement both at home and abroad more and more widely.At present, along with high-grade public affairs
The requirement that road and the sustainable development of urban road construction and other industry produce, is also constantly increasing the demand of Colophonium usage amount
Long.
Colophonium is combustible material, it is easy to catch fire because of the traffic fire in tunnel, so the fire in traffic tunnel
Being an inevitable problem, all there is the most serious tunnel fire hazard accident in many countries in the world.Tunnel fire hazard
Cause the integrally-built serious damage of tunnel facility and tunnel, cause short then a few hours, long then several days roads even more for a long time
Road interruption of communication, and the safety of life and property of serious threat people, cause inestimable economic loss.When occurring in tunnel
During fire, substantial amounts of cigarette, heat are difficult to discharge, full of smoke in hole, and illumination is also destroyed, On The Deterioration of Visibility Over, simultaneously with
High temperature and poison, bring the biggest difficulty to safe escape and rescue work.It addition, the up next car of express lane outside by tunnel
Behind entrance tunnel, transverse section diminishes, and is curve circuit in part tunnel, makes the traveling driver visual field diminish, when car above occurs
During accident, after driver on car be difficult to find, knock into the back, cause a large amount of congested with cars, exacerbate the development of fire.
In Colophonium, add fire retardant can be effectively reduced asphalt roads traffic fire risk, the life wealth of protection people
Produce safety.Early stage road service workers, expands extensive work for asphalt flame-retardant, develops a series of asphalt flame-retardant agent,
Improve flame retardant property of asphaltum to a certain extent.Asphalt flame-retardant agent is fire-retardant by the inorganic fire-retarded system of getting up early, single Halogen
System, single halogen-free flame-retardant system, binary and the development of polynary flame-retardant system.Owing to inorganic combustion inhibitor addition is big, cause drip
Blue or green mechanical performance declines substantially；There is potential environmental protection risk in halogen containing flame-retardant, discharges toxin, endanger environment during burning；Other
There is function singleness, the fire-retardant various problems such as the most lasting in flame-retardant system.Along with the gradually enhancing of environmental consciousness, the development of fire retardant
Direction by simple flame-retardant system, to fire-retardant, press down cigarette, Halogen, environmental protection direction are developed, and while improving fire resistance, take into account material
Expect other performances, environmental requirement.
Summary of the invention
The technical problem to be solved is for above-mentioned the deficiencies in the prior art, it is provided that a kind of halogen-free expandable
Type asphalt flame-retardant agent, this halogen-free expansible asphalt flame-retardant agent has halogen-free environmental, easily adds, fire-retardant persistently, smoke release is little
Feature, adds in asphalt, deteriorates the pavement performance of Colophonium without obvious, and is effectively improved the fire-retardant of asphalt
Performance, can effectively suppress the generation of fire in tunnel and spread, and increases the disaster relief time.
For solving above-mentioned technical problem, the technical solution used in the present invention is: a kind of halogen-free expansible asphalt flame-retardant agent, its
It is characterised by, is made up of the raw material of following weight portion: halogen-free expanded flame-retardant agent 50～70 parts, smoke suppressant 5～15 parts, fire-retardant collaborative
Agent 10～40 parts；
Above-mentioned halogen-free expansible asphalt flame-retardant agent, it is characterised in that be made up of the raw material of following weight portion: halogen-free expandable
Fire retardant 50～65 parts, smoke suppressant 8～12 parts, flame retardancy synergists 25～40 parts.
Above-mentioned halogen-free expansible asphalt flame-retardant agent, it is characterised in that described halogen-free expanded flame-retardant agent is by following weight portion
Raw material make: carbon source 15～40 parts, source of the gas 20～35 parts, modified acid source 30～60 parts；Described carbon source is triazine series carbon forming agent；
Described source of the gas is one or more in carbamide, tripolycyanamide and polyamide；Described modified acid source is the acid that resistance to water is modified
Source.
Above-mentioned halogen-free expansible asphalt flame-retardant agent, it is characterised in that described expanding fire retardant is former by following weight portion
Material is made: carbon source 20～35 parts, source of the gas 23～30 parts, modified acid source 40～50 parts.
Above-mentioned halogen-free expansible asphalt flame-retardant agent, it is characterised in that the method for modifying of described modified acid source is: by acid source
Being scattered in ethanol, obtain the ethanol solution of the acid source that mass concentration is 20%～60%, the ethanol then heating to acid source is molten
After reflux state occurs in liquid, it is added dropwise over the silane coupler containing amido functional group, in 1h, completes dropping, be then incubated 2h,
It is added dropwise over the hydrolysis that the alkyl chain that mass concentration is 10%～30% contains the alkyl triethoxysilane of 8-20 carbon atom again
Solution, completes dropping in 2h, filters, obtains filtering residue, pulverize, obtain after described filter residue and drying under fluidized state after being incubated 4h
Modified acid source；Described acid source is one or more in phosphate, Quadrafos, borate, phosphate ester and pyrophosphate；Described
The addition of the silane coupler containing amido functional group is the 2%～3% of described acid source quality；Described alkyl chain contains 8-20 carbon
The matter of the alkyl chain alkyl triethoxysilane containing 8-20 carbon atom in the hydrating solution of the alkyl triethoxysilane of atom
Amount is the 3%～6% of described acid source quality.
Above-mentioned halogen-free expansible asphalt flame-retardant agent, it is characterised in that described dry temperature is 110 DEG C, be dried time
Between be 2h.
Above-mentioned halogen-free expansible asphalt flame-retardant agent, it is characterised in that described smoke suppressant be Calcium Phosphomolybdate, ammonium octamolybdate,
One or more in zinc oxide and Firebrake ZB.
Above-mentioned halogen-free expansible asphalt flame-retardant agent, it is characterised in that described flame retardancy synergists is magnesium hydroxide, hydroxide
One or more in aluminum, magnesium oxide, calcium carbonate and wollastonite.
It addition, present invention also offers the application of a kind of halogen-free expansible asphalt flame-retardant agent, it is used for preparing flame-retardant modified drip
Blue or green, it is characterised in that Colophonium to be heated to 170 DEG C～190 DEG C, is subsequently adding halogen-free expansible asphalt flame-retardant agent, in stirring speed
Rate is mix and blend 1h～1.5h under conditions of 500r/min～600r/min, obtains described fire-retardant modified asphalt, described Halogen
Quality is described asphalt quality 10%～the 40% of intumescent asphalt flame-retardant agent, described halogen-free expansible asphalt flame-retardant agent is power
Profit requires halogen-free expansible asphalt flame-retardant agent described in 1～8 any one.
The application of above-mentioned halogen-free expansible asphalt flame-retardant agent, it is characterised in that described halogen-free expansible asphalt flame-retardant agent
Quality is described asphalt quality 20%～30%.
The present invention compared with prior art has the advantage that
1, the present invention have good dispersion, add convenience, halogen-free environmental, without features such as precipitations, environmentally friendly, do not corrode
Equipment, adds after can being directly appended in asphalt stirring or mixing with Colophonium again.
2, the halogen-free expansible asphalt flame-retardant agent of the present invention has preferable durability, can be retained in asphalt for a long time
In, play its fire retardation.
3, the halogen-free expansible asphalt flame-retardant agent of the present invention with the addition of smoke suppressant, reduce the cigarette that Colophonium combustion process produces
Mist, effect on environment is little, and favourable driver and passenger quickly escape the inferno, and contributes to fireman and quickly finds fire generation
Source and rescue trapped personnel.
Below by embodiment, technical scheme is described in further detail.
Detailed description of the invention
Embodiment 1
The halogen-free expansible asphalt flame-retardant agent of the present embodiment is made up of the raw material of following weight portion: halogen-free expanded flame-retardant agent 58
Part, Calcium Phosphomolybdate 10 parts, 33 parts of magnesium hydroxide.
Described halogen-free expanded flame-retardant agent is made up of the raw material of following weight portion: triazine series carbon forming agent 27 parts, 23 parts of carbamide, change
Property acid source 40 parts；
The method of modifying of described modified acid source is: being scattered in ethanol by APP, obtaining mass concentration is 40%
The ethanol solution of APP, then heats to after reflux state occurs in the ethanol solution of APP, be added dropwise over 3-ammonia third
Ethyl triethoxy silicane alkane, completes dropping in 1h, is then incubated 2h, then drips the water of the tetraethyl orthosilicate that mass concentration is 2%
Solve solution, be incubated 4h, be then added dropwise over the hydrating solution of the octyltri-ethoxysilane that mass concentration is 20%, complete in 2h
Becoming dropping, filter, obtain filtering residue, use distilled water wash 3 times under fluidized state after being incubated 4h, the filtering residue after washing is in temperature
It is dried 2h under conditions of being 110 DEG C, obtains modified acid source after crushed；
The addition of described 3-aminopropyl triethoxysilane is the 2.5% of described APP quality；Described positive silicic acid
The quality of the tetraethyl orthosilicate in the hydrating solution of ethyl ester is the 2.5% of described APP quality；Described octyl group triethoxy
In the hydrating solution of silane, the quality of octyltri-ethoxysilane is the 4.5% of described APP quality.
The halogen-free expansible asphalt flame-retardant agent of the present embodiment is used for preparing fire-retardant modified asphalt, and concrete preparation process is: will
Colophonium is heated to 180 DEG C, is subsequently adding halogen-free expansible asphalt flame-retardant agent, mixes under conditions of stir speed (S.S.) is 550r/min
Stirring 1.5h, obtains described fire-retardant modified asphalt, and the quality of described halogen-free expansible asphalt flame-retardant agent is described asphalt quality
20%.
Embodiment 2
The halogen-free expansible asphalt flame-retardant agent of the present embodiment is made up of the raw material of following weight portion: halogen-free expanded flame-retardant agent 50
Part, ammonium molybdate 8 parts, magnesium oxide 25 parts.
Described halogen-free expanded flame-retardant agent is made up of the raw material of following weight portion: triazine series carbon forming agent 20 parts, tripolycyanamide 27
Part, modified acid source 45 parts；
The method of modifying of described modified acid source is: being scattered in ethanol by melamine phosphate, obtaining mass concentration is
The ethanol solution of the melamine phosphate of 40%, there is reflux state in the ethanol solution then heating to melamine phosphate
After, it is added dropwise over 3-aminopropyl trimethoxysilane, in 1h, completes dropping, be then incubated 2h, then to drip mass concentration be 1%
The hydrating solution of tetraethyl orthosilicate, be incubated 4h, be then added dropwise over the cetyl triethoxysilicane that mass concentration is 20%
The hydrating solution of alkane, completes dropping in 2h, filters, obtains filtering residue, use distilled water wash 3 under fluidized state after being incubated 4h
Secondary, the filtering residue after washing is dried 2h under conditions of temperature is 110 DEG C, obtains modified acid source after crushed；Described 3-aminopropyl
The addition of trimethoxy silane is the 2.5% of described melamine phosphate quality；The hydrating solution of described tetraethyl orthosilicate
In tetraethyl orthosilicate quality is described melamine phosphate quality 3%；Described hexadecyl
In hydrating solution, the quality of hexadecyl is the 4.5% of described melamine phosphate quality.
The halogen-free expansible asphalt flame-retardant agent of the present embodiment is used for preparing fire-retardant modified asphalt, and concrete preparation process is: will
Colophonium is heated to 170 DEG C, is subsequently adding halogen-free expansible asphalt flame-retardant agent, mixes under conditions of stir speed (S.S.) is 600r/min
Stirring 1h, obtains described fire-retardant modified asphalt, and the quality of described halogen-free expansible asphalt flame-retardant agent is described asphalt quality
25%.
Embodiment 3
The halogen-free expansible asphalt flame-retardant agent of the present embodiment is made up of the raw material of following weight portion: halogen-free expanded flame-retardant agent 65
Part, zinc oxide 12 parts, calcium carbonate 40 parts.
Described halogen-free expanded flame-retardant agent is made up of the raw material of following weight portion: triazine series carbon forming agent 35 parts, kymene 0 part,
Modified acid source 50 parts；
The method of modifying of described modified acid source is: melamine phosphate and Firebrake ZB is scattered in ethanol, obtains matter
Amount concentration is melamine phosphate and the ethanol solution of Firebrake ZB of 60%, then heats to melamine phosphate and boric acid
After reflux state occurs in the ethanol solution of zinc, it is added dropwise over 3-aminopropyl triethoxysilane, in 1h, completes dropping, then protect
Temperature 2h, then drip the hydrating solution of the tetraethyl orthosilicate that mass concentration is 2%, it is incubated 4h, being then added dropwise over mass concentration is
The hydrating solution of the dodecyl triethoxysilane of 30%, completes dropping in 2h, filters after being incubated 4h under fluidized state,
Obtaining filtering residue, use distilled water wash 3 times, the filtering residue after washing is dried 2h under conditions of temperature is 110 DEG C, obtains after crushed
To modified acid source；The addition of described 3-aminopropyl triethoxysilane is total matter of described melamine phosphate and Firebrake ZB
The 2.8% of amount；The quality of the tetraethyl orthosilicate in the hydrating solution of described tetraethyl orthosilicate be described melamine phosphate and
The 3% of the gross mass of Firebrake ZB；Dodecyl triethoxysilicane in the hydrating solution of described dodecyl triethoxysilane
The quality of alkane is the 5% of the gross mass of described melamine phosphate and Firebrake ZB.
The halogen-free expansible asphalt flame-retardant agent of the present embodiment is used for preparing fire-retardant modified asphalt, and concrete preparation process is: will
Colophonium is heated to 180 DEG C, is subsequently adding halogen-free expansible asphalt flame-retardant agent, mixes under conditions of stir speed (S.S.) is 500r/min
Stirring 1.5h, obtains described fire-retardant modified asphalt, and the quality of described halogen-free expansible asphalt flame-retardant agent is described asphalt quality
30%.
Embodiment 4
The halogen-free expansible asphalt flame-retardant agent of the present embodiment is made up of the raw material of following weight portion: halogen-free expanded flame-retardant agent 50
Part, Firebrake ZB 5 parts, wollastonite 10 parts.
Described halogen-free expanded flame-retardant agent is made up of the raw material of following weight portion: triazine series carbon forming agent 15 parts, APP 10
Part, tripolycyanamide 10 parts, modified acid source 30 parts；
The method of modifying of described modified acid source is: is scattered in ethanol by melamine pyrophosphate, obtains mass concentration
Being the ethanol solution of the melamine pyrophosphate of 20%, the ethanol solution then heating to melamine pyrophosphate occurs back
After stream mode, it is added dropwise over 3-aminopropyl triethoxysilane, in 1h, completes dropping, be then incubated 2h, then it is dense to drip quality
Degree is the hydrating solution of the tetraethyl orthosilicate of 2%, is incubated 4h, is then added dropwise over octadecyl three second that mass concentration is 10%
The hydrating solution of TMOS, completes dropping in 2h, filters, obtains filtering residue, use distillation under fluidized state after being incubated 4h
Water washs 3 times, and the filtering residue after washing is dried 2h under conditions of temperature is 110 DEG C, obtains modified acid source after crushed；
The addition of described 3-aminopropyl triethoxysilane is the 2% of described melamine pyrophosphate quality；Described
The quality of the tetraethyl orthosilicate in the hydrating solution of tetraethyl orthosilicate is the 3% of described melamine pyrophosphate quality；Described
In the hydrating solution of octadecyltriethoxy silane, the quality of octadecyltriethoxy silane is described tripolycyanamide Jiao's phosphorus
The 3% of hydrochlorate quality.
The halogen-free expansible asphalt flame-retardant agent of the present embodiment is used for preparing fire-retardant modified asphalt, and concrete preparation process is: will
Colophonium is heated to 180 DEG C, is subsequently adding halogen-free expansible asphalt flame-retardant agent, mixes under conditions of stir speed (S.S.) is 600r/min
Stirring 1.5h, obtains described fire-retardant modified asphalt, and the quality of described halogen-free expansible asphalt flame-retardant agent is described asphalt quality
40%.
Embodiment 5
The halogen-free expansible asphalt flame-retardant agent of the present embodiment is made up of the raw material of following weight portion: halogen-free expanded flame-retardant agent 70
Part, Calcium Phosphomolybdate 10 parts, zinc oxide 5 parts, 10 parts of magnesium hydroxide, aluminium hydroxide 20 parts, calcium carbonate 10 parts.
Described halogen-free expanded flame-retardant agent is made up of the raw material of following weight portion: triazine series carbon forming agent 15 parts, 10 parts of carbamide, three
Poly cyanamid 10 parts, polyamide 5 parts, modified acid source 50 parts；
The method of modifying of described modified acid source is: zinc phosphate and Firebrake ZB being scattered in ethanol, obtaining mass concentration is
The zinc phosphate of 20% and the ethanol solution of Firebrake ZB, there is reflux state in the ethanol solution then heating to zinc phosphate and Firebrake ZB
After, it is added dropwise over N-(2-aminoethyl)-3-aminopropyl trimethoxysilane, in 1h, completes dropping, be then incubated 2h, then drip
Mass concentration is the hydrating solution of the tetraethyl orthosilicate of 1.5%, is incubated 4h, be then added dropwise over that mass concentration is 10% 12
The hydrating solution of alkyl triethoxysilane, completes dropping in 2h, filters, obtain filtering residue under fluidized state after being incubated 4h,
Using distilled water wash 3 times, the filtering residue after washing is dried 2h under conditions of temperature is 110 DEG C, obtains acid modified after crushed
Source；
The 3% of the gross mass that addition is described zinc phosphate and Firebrake ZB of described 3-aminopropyl triethoxysilane；Institute
State tetraethyl orthosilicate in the hydrating solution of tetraethyl orthosilicate the gross mass that quality is described zinc phosphate and Firebrake ZB 3%；
In the hydrating solution of described dodecyl triethoxysilane the quality of dodecyl triethoxysilane be described zinc phosphate and
The 6% of the gross mass of Firebrake ZB.
The halogen-free expansible asphalt flame-retardant agent of the present embodiment is used for preparing fire-retardant modified asphalt, and concrete preparation process is: will
Colophonium is heated to 170 DEG C, is subsequently adding halogen-free expansible asphalt flame-retardant agent, mixes under conditions of stir speed (S.S.) is 550r/min
Stirring 1.5h, obtains described fire-retardant modified asphalt, and the quality of described halogen-free expansible asphalt flame-retardant agent is described asphalt quality
10%.
Embodiment 6
The halogen-free expansible asphalt flame-retardant agent of the present embodiment is made up of the raw material of following weight portion: halogen-free expanded flame-retardant agent 60
Part, Calcium Phosphomolybdate 5 parts, ammonium octamolybdate 5 parts, Firebrake ZB 3 parts, magnesium oxide 10 parts, wollastonite 10 parts.
Described halogen-free expanded flame-retardant agent is made up of the raw material of following weight portion: triazine series carbon forming agent 25 parts, polyamide 10 parts,
10 parts of carbamide, modified acid source 40 parts；
The method of modifying of described modified acid source is: melamine pyrophosphate, APP and Firebrake ZB are scattered in second
In alcohol, obtain melamine pyrophosphate, APP and the ethanol solution of Firebrake ZB that mass concentration is 30%, then heat up
After reflux state occurring to the ethanol solution of melamine pyrophosphate, APP and Firebrake ZB, it is added dropwise over 3-aminopropyl
Triethoxysilane, completes dropping in 1h, is then incubated 2h, then drips the hydrolysis of the tetraethyl orthosilicate that mass concentration is 2%
Solution, is incubated 4h, is then added dropwise over the hydrating solution of the hexadecyl that mass concentration is 25%, in 2h
Completing dropping, filter, obtain filtering residue, use distilled water wash 3 times under fluidized state after being incubated 4h, the filtering residue after washing is in temperature
Degree is dried 2h under conditions of being 110 DEG C, obtains modified acid source after crushed；
The addition of described 3-aminopropyl triethoxysilane is described melamine pyrophosphate, APP and boric acid
The 3% of the gross mass of zinc；The quality of the tetraethyl orthosilicate in the hydrating solution of described tetraethyl orthosilicate is that described tripolycyanamide is burnt
The 3% of the gross mass of phosphate, APP and Firebrake ZB；In the hydrating solution of described hexadecyl 16
The quality of alkyl triethoxysilane is the 6% of the gross mass of described melamine pyrophosphate, APP and Firebrake ZB.
The halogen-free expansible asphalt flame-retardant agent of the present embodiment is used for preparing fire-retardant modified asphalt, and concrete preparation process is: will
Colophonium is heated to 180 DEG C, is subsequently adding halogen-free expansible asphalt flame-retardant agent, mixes under conditions of stir speed (S.S.) is 550r/min
Stirring 1h, obtains described fire-retardant modified asphalt, and the quality of described halogen-free expansible asphalt flame-retardant agent is described asphalt quality
30%.
According to " asphalt combustion performance mensuration oxygen index method " (NB/SH/T0815-2010) to being not added with the present invention's
The modified pitch of the halogen-free expansible asphalt flame-retardant agent of the Colophonium of halogen-free expansible asphalt flame-retardant agent and the interpolation present invention is surveyed
Determine Investigation of Asphalt Oxygen-index test, be not added with the Colophonium of the halogen-free expansible asphalt flame-retardant agent of the present invention and add the embodiment of the present invention 1
～the oxygen index (OI) test result of modified pitch of halogen-free expansible asphalt flame-retardant agent of 6 is as shown in table 1.According to " highway engineering drips
Green grass or young crops and Asphalt Mixture Experiment code " Colophonium and fire-retardant modified asphalt performance are carried out dependence test, it is not added with the nothing of the present invention
The modified drip of the halogen-free expansible asphalt flame-retardant agent of the Colophonium of halogen intumescent asphalt flame-retardant agent and the interpolation embodiment of the present invention 1～6
The performance test results of blue or green fire-retardant modified asphalt is as shown in table 2.
Table 1 Colophonium refers to the oxygen of the fire-retardant modified asphalt utilizing the halogen-free expansible asphalt flame-retardant agent of embodiment 1～6 to prepare
Number test result
From table 1 testing result, utilize prepared by the halogen-free expansible asphalt flame-retardant agent of embodiment 1～6 is flame-retardant modified
The oxygen index (OI) of Colophonium is all significantly improved, and meets tunnel pavement of road requirement oxygen index (OI) higher than 23%.
Table 2 Colophonium and utilize the performance of fire-retardant modified asphalt prepared by the halogen-free expansible asphalt flame-retardant agent of embodiment 1～6
Test result
From table 2 testing result, utilize prepared by the halogen-free expansible asphalt flame-retardant agent of embodiment 1～6 is flame-retardant modified
Penetration of bitumens, softening point, ductility, adhesiveness rank correlation pavement performance all do not deteriorate, and softening point also increases, and helps
Mix clay structure road surface high-temperature stability in use and road surface anti-rut behavior in improving Colophonium, meet tunnel highway
Engineering Colophonium uses requirement.
The above, be only presently preferred embodiments of the present invention, not impose any restrictions the present invention.Every according to the present invention
Any simple modification, change and the equivalence change that above example is made by technical spirit, all still falls within the technology of the present invention side
In the protection domain of case.
Claims (10)
1. a halogen-free expansible asphalt flame-retardant agent, it is characterised in that be made up of the raw material of following weight portion: halogen-free expanded flame-retardant
Agent 50～70 parts, smoke suppressant 5～15 parts, flame retardancy synergists 10～40 parts.
Halogen-free expansible asphalt flame-retardant agent the most according to claim 1, it is characterised in that by the raw material system of following weight portion
Become: halogen-free expanded flame-retardant agent 50～65 parts, smoke suppressant 8～12 parts, flame retardancy synergists 25～40 parts.
Halogen-free expansible asphalt flame-retardant agent the most according to claim 1 or claim 2, it is characterised in that described halogen-free expanded flame-retardant agent
It is made up of the raw material of following weight portion: carbon source 15～40 parts, source of the gas 20～35 parts, modified acid source 30～60 parts；Described carbon source is
Triazine series carbon forming agent；Described source of the gas is one or more in carbamide, tripolycyanamide and polyamide, and described modified acid source is water-fast
The acid source that property is modified.
Halogen-free expansible asphalt flame-retardant agent the most according to claim 4, it is characterised in that described expanding fire retardant is by following heavy
The raw material of amount part is made: carbon source 20～35 parts, source of the gas 23～30 parts, modified acid source 40～50 parts.
Halogen-free expansible asphalt flame-retardant agent the most according to claim 3, it is characterised in that the modifying process of described modified acid source
For: acid source is disperseed in ethanol, obtains the Organic Alcohol solution of the acid source that mass concentration is 20%～60%, then heat to out
After existing reflux state, it is added dropwise over the silane coupler containing amido functional group, in 1h, completes dropping, be then incubated 2h, then drip
Add the hydrating solution of the tetraethyl orthosilicate that mass concentration is 1%, then be added dropwise over the alkyl chain alkyl three containing 8-20 carbon atom
The hydrating solution of Ethoxysilane, completes dropping in 2h, filters, obtain filtering residue under fluidized state after being incubated 4h, by steaming
Described filtering residue is rinsed 3 times by distilled water, is then dried the filtering residue after rinsing, finally pulverizes and obtain modified acid source；
The addition of the described silane coupler containing amido functional group is the 2%～3% of described acid source quality；Described positive silicic acid second
The mass concentration of ester hydrolysis solution is 1%～2%；The described alkyl chain alkyl triethoxysilane containing 8-20 carbon atom
The mass concentration of hydrating solution is 10%～30%；Tetraethyl orthosilicate in described teos hydrolysis solution is described acid source
The 3% of quality；In the hydrating solution of the described alkyl chain alkyl triethoxysilane containing 8～20 carbon atoms alkyl chain containing 8～
The quality of the alkyl triethoxysilane of 20 carbon atoms is the 3%～6% of described acid source quality.
Halogen-free expansible asphalt flame-retardant agent the most according to claim 5, it is characterised in that described dry temperature is 110 DEG C,
The time being dried is 2h, and described acid source is the one in phosphate, Quadrafos, borate, phosphate ester and pyrophosphate or several
Kind；The described silane coupler containing amido functional group be 3-aminopropyl triethoxysilane, 3-aminopropyl trimethoxysilane or
N-(2-aminoethyl)-3-aminopropyl trimethoxysilane；The described alkyl chain alkyl triethoxysilane containing 8～20 carbon atoms
For octyltri-ethoxysilane, dodecyl triethoxysilane, hexadecyl or octadecyl three ethoxy
Base silane.
Halogen-free expansible asphalt flame-retardant agent the most according to claim 1 or claim 2, it is characterised in that described smoke suppressant is phosphomolybdic acid
One or more in calcium, ammonium octamolybdate, zinc oxide and Firebrake ZB.
8. halogen-free expansible asphalt flame-retardant agent described in claim 1 or 2, it is characterised in that described flame retardancy synergists is hydroxide
One or more in magnesium, aluminium hydroxide, magnesium oxide, calcium carbonate and wollastonite.
9. an application for halogen-free expansible asphalt flame-retardant agent, is used for preparing fire-retardant modified asphalt, it is characterised in that added by Colophonium
Heat, to 170 DEG C～190 DEG C, is subsequently adding halogen-free expansible asphalt flame-retardant agent, is 500r/min～600r/min in stir speed (S.S.)
Under conditions of mix and blend 1h～1.5h, obtain described fire-retardant modified asphalt, the quality of described halogen-free expansible asphalt flame-retardant agent
For the 10%～40% of described asphalt quality, described halogen-free expansible asphalt flame-retardant agent is nothing described in any one of claim 1～8
Halogen intumescent asphalt flame-retardant agent.
The application of halogen-free expansible asphalt flame-retardant agent the most according to claim 9, it is characterised in that described halogen-free expansible
The quality of asphalt flame-retardant agent is the 20%～30% of described asphalt quality.
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| 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 |
| CN108863182A (en) * | 2018-07-13 | 2018-11-23 | 桐城市景瑞建筑装饰工程有限公司 | A kind of theremal-preserving heat-insulating material and preparation method of fibre-bearing and haydite |
| CN109385104A (en) * | 2017-08-10 | 2019-02-26 | 常州利尔德通新材料科技有限公司 | A kind of preparation method and applications of warm mix environmentally-friendly asphalt fire retardant |
| CN110105631A (en) * | 2019-04-24 | 2019-08-09 | 王永超 | A kind of environment-friendly biomass fire retardant and its processing technology |
| CN110669346A (en) * | 2019-09-29 | 2020-01-10 | 四川科路泰交通科技有限公司 | Asphalt composite flame retardant and application thereof |
| CN110760140A (en) * | 2019-10-23 | 2020-02-07 | 国网山东省电力公司莒南县供电公司 | Flame-retardant cable insulating material and preparation method thereof |
| CN113105860A (en) * | 2021-03-19 | 2021-07-13 | 上海康达化工新材料集团股份有限公司 | Ultrafast-curing flame-retardant bi-component epoxy modified silyl-terminated polymer adhesive, and preparation method and application thereof |
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|---|---|---|---|---|
| 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 |
| CN109385104A (en) * | 2017-08-10 | 2019-02-26 | 常州利尔德通新材料科技有限公司 | A kind of preparation method and applications of warm mix environmentally-friendly asphalt fire retardant |
| CN108863182A (en) * | 2018-07-13 | 2018-11-23 | 桐城市景瑞建筑装饰工程有限公司 | A kind of theremal-preserving heat-insulating material and preparation method of fibre-bearing and haydite |
| CN110105631A (en) * | 2019-04-24 | 2019-08-09 | 王永超 | A kind of environment-friendly biomass fire retardant and its processing technology |
| CN110669346A (en) * | 2019-09-29 | 2020-01-10 | 四川科路泰交通科技有限公司 | Asphalt composite flame retardant and application thereof |
| CN110760140A (en) * | 2019-10-23 | 2020-02-07 | 国网山东省电力公司莒南县供电公司 | Flame-retardant cable insulating material and preparation method thereof |
| CN110760140B (en) * | 2019-10-23 | 2022-02-15 | 国网山东省电力公司莒南县供电公司 | Flame-retardant cable insulating material and preparation method thereof |
| CN113105860A (en) * | 2021-03-19 | 2021-07-13 | 上海康达化工新材料集团股份有限公司 | Ultrafast-curing flame-retardant bi-component epoxy modified silyl-terminated polymer adhesive, and preparation method and application thereof |
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