CN109401341A - Pitch and preparation method thereof is strengthened in a kind of low smoke - Google Patents
Pitch and preparation method thereof is strengthened in a kind of low smoke Download PDFInfo
- Publication number
- CN109401341A CN109401341A CN201810967197.4A CN201810967197A CN109401341A CN 109401341 A CN109401341 A CN 109401341A CN 201810967197 A CN201810967197 A CN 201810967197A CN 109401341 A CN109401341 A CN 109401341A
- Authority
- CN
- China
- Prior art keywords
- parts
- pitch
- raw material
- strengthened
- smoke
- Prior art date
- Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L95/00—Compositions of bituminous materials, e.g. asphalt, tar, pitch
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G8/00—Condensation polymers of aldehydes or ketones with phenols only
- C08G8/28—Chemically modified polycondensates
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2227—Oxides; Hydroxides of metals of aluminium
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K3/00—Use of inorganic substances as compounding ingredients
- C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2255—Oxides; Hydroxides of metals of molybdenum
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K2201/00—Specific properties of additives
- C08K2201/011—Nanostructured additives
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/02—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group
- C08L2205/025—Polymer mixtures characterised by other features containing two or more polymers of the same C08L -group containing two or more polymers of the same hierarchy C08L, and differing only in parameters such as density, comonomer content, molecular weight, structure
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/14—Polymer mixtures characterised by other features containing polymeric additives characterised by shape
- C08L2205/16—Fibres; Fibrils
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Engineering & Computer Science (AREA)
- Civil Engineering (AREA)
- Materials Engineering (AREA)
- Structural Engineering (AREA)
- General Chemical & Material Sciences (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of low smokes to strengthen pitch, and raw material includes: 80-85 parts of matrix pitch, 4-6 parts of modifying agent, 5-8 parts of compound adsorbent, 3-5 parts of Complex Smoke, 2-3 parts of silicon rubber, 3-5 parts of pitch wood fibre by weight；Wherein, the raw material of modifying agent includes: the phenolic resin, poly- alkyl organic resin, Tween 80, dodecyl polyoxyethylene ether sodium sulphate of high solids content；The raw material of compound adsorbent include: coconut shell ash, silica gel, montmorillonite, activated alumina, to alkylphenol formaldehyde resin；The raw material of smoke suppressant includes: melamine, nano-sized molybdenum oxide, nanometer ammonium octamolybdate, pentaerythrite, lauryl sodium sulfate.The invention also discloses the preparation methods that pitch is strengthened in above-mentioned low smoke.The present invention has low cigarette and high softening-point performance, and smoke amount of the invention is lower than the 20% of matrix pitch smoke amount at the same temperature；And its water resistance, ageing-resistant performance and intensity are also improved.
Description
Technical field
The present invention relates to field of bitumen technology more particularly to a kind of low smoke to strengthen pitch and preparation method thereof.
Background technique
In recent years, highway in China infrastructure is fast-developing, for the condition for meeting highway technology, most of highway roads
Face uses pitch as paver.In order to reach the process specifications of road surfacing, when bituminous pavement is laid with, no matter
It is that heat is mixed or warm mix, requires to heat the graded mixture of pitch, and the pitch graded mixture after heating
In process of deployment, a large amount of toxic and harmful gas can be generated, these escaping gas much have carcinogenicity and have stimulation
Property smell, had both endangered the health of construction personnel, and had also influenced construction environment.Although related personnel takes related skill in recent years
Art measure is such as dripped using active carbon or by the method that 550-600 DEG C of high temperature firing rice hull ash is adsorbed as additive to reduce
Poisonous and harmful property volatile ingredient when green pavement construction, but since the technical method of use is single and additive capacity is limited, drop cigarette effect
Fruit is not obvious, and generally can only achieve 10-15% or so, when construction still have a large amount of poisonous and harmful property volatile ingredient be precipitated and
Influence the health of construction personnel.
Summary of the invention
Technical problems based on background technology, the invention proposes a kind of low smokes to strengthen pitch and its preparation side
Method, the present invention have low cigarette and high softening-point performance, and smoke amount of the invention is lower than matrix pitch smoke amount at the same temperature
20%, smoke amount is very low；And water resistance of the present invention, ageing-resistant performance and intensity are also improved.
Pitch is strengthened in a kind of low smoke proposed by the present invention, and raw material includes: 80-85 parts of matrix pitch by weight, is changed
4-6 parts of agent, 5-8 parts of compound adsorbent, 3-5 parts of Complex Smoke, 2-3 parts of silicon rubber, 3-5 parts of pitch wood fibre of property；
Wherein, the raw material of modifying agent includes: the phenolic resin of high solids content, poly- alkyl organic resin, Tween 80,12
Pareth sulfate；
The raw material of compound adsorbent include: coconut shell ash, silica gel, montmorillonite, activated alumina, to alkyl phenol formaldehyde tree
Rouge；
The raw material of smoke suppressant includes: melamine, nano-sized molybdenum oxide, nanometer ammonium octamolybdate, pentaerythrite, dodecyl
Sodium sulphate.
Preferably, the viscosity of the phenolic resin of high solids content is 5000-6000cPs, solid content 90-92wt%, trip
It is less than 1wt% from phenol content, free formaldehyde content is less than 1.2wt%.
Preferably, the raw material of modifying agent includes: 50-60 parts of phenolic resin of high solids content by weight, and poly- alkyl is organic
30-40 parts of silicone resin, 3-5 parts of Tween 80,2-3 parts of dodecyl polyoxyethylene ether sodium sulphate.
Preferably, the raw material of compound adsorbent includes: 50-60 parts of coconut shell ash by weight, and 10-15 parts of silica gel, montmorillonite
10-15 parts, 10-15 parts of activated alumina, to 2-3 parts of alkylphenol formaldehyde resin.
Preferably, the raw material of smoke suppressant includes: 20-30 parts of melamine by weight, and 40-50 parts of nano-sized molybdenum oxide,
20-30 parts of ammonium octamolybdate, 10-15 parts of pentaerythrite, 2-5 parts of lauryl sodium sulfate of nanometer.
Preferably, in the preparation process of the phenolic resin of high solids content, phenol is taken to melt, sodium hydroxide, organic is added
Silicon mixes, and is cooled to room temperature, and formaldehyde is added and mixes, is warming up to 50-60 DEG C, insulation reaction 50-60min is then warming up to 98-
103 DEG C, insulation reaction 60-70min, it is cooled to 50-60 DEG C, then vacuum dehydration obtains high solids content phenolic resin.
Preferably, in the preparation process of the phenolic resin of high solids content, organosilicon is terminal hydroxy group siloxanes 8427.
Preferably, in the preparation process of the phenolic resin of high solids content, the temperature of phenol melting is 50-60 DEG C.
Preferably, in the preparation process of the phenolic resin of high solids content, 98-103 DEG C is warming up in 10-15min.
Preferably, in the preparation process of the phenolic resin of high solids content, phenol, sodium hydroxide, organosilicon, formaldehyde weight
Amount is than being 100:1-2:4-6:120-130.
Preferably, silicon rubber is two-component addition type room temperature vulcanized silicone rubber.
Preferably, pitch wood fibre is wood fibre H500.
Preferably, coconut shell ash is 200-300 mesh.
Preferably, silica gel, montmorillonite, activated alumina are 200-400 mesh.
Preferably, coconut shell ash is coconut husk in nitrogen atmosphere, and 15-20min is pyrolyzed at a temperature of 600-650 DEG C, is ground
It arrives.
The invention also provides above-mentioned low smokes to strengthen the preparation method of pitch, include the following steps: by matrix pitch in
It is heated to flowing at a temperature of 170-180 DEG C, then heat preservation shearing, in shear history, high solids content phenolic resin is added and spits
Temperature 80, heat preservation shearing 10-15min, is added poly- alkyl organic resin and dodecyl polyoxyethylene ether sodium sulphate, then adjusts
Shearing rotating speed to 4500r/min, heat preservation shears 10-15min and obtains intermediate material；It is subsequently cooled to 150-160 DEG C, adjusts shearing
Revolving speed sequentially adds melamine, nano-sized molybdenum oxide, nanometer ammonium octamolybdate, pentaerythrite and dodecyl to 3000r/min
Sodium sulphate, heat preservation shearing, then sequentially adds silica gel, to alkylphenol formaldehyde resin, montmorillonite and activated alumina, heat preservation is cut
6-10min is cut, coconut shell ash, silicon rubber and pitch wood fibre are sequentially added, heat preservation shearing obtains low smoke and strengthens pitch.
Preferably, in intermediate material preparation process, every 2-3min, shear direction is converted.
Preferably, melamine, nano-sized molybdenum oxide, nanometer ammonium octamolybdate, pentaerythrite and lauryl sodium sulfate are equal
Divide 2-3 addition, often plus once, adds again next time after heat preservation shearing 10-15min.
Preferably, coconut shell ash, silicon rubber and pitch wood fibre divide equally 2 additions, often plus once, heat preservation shearing 10-
15min adds next time again.
The present invention using matrix pitch as raw material, by addition modifying agent, compound adsorbent, Complex Smoke, silicon rubber and
Pitch wood fibre is modified, so that the present invention has low cigarette and high softening-point performance, at the same temperature hair of the invention
Smoke is lower than the 20% of matrix pitch smoke amount, and smoke amount is very low；And water resistance of the present invention, ageing-resistant performance and intensity also obtain
Improve, can be not only used for hot asphalt graded mixture, it can also be used to which warm mix mixes pitch graded mixture, can be used for being laid with a variety of drips
Green road surface.
Specific embodiment
In the following, technical solution of the present invention is described in detail by specific embodiment.
Embodiment 1
Pitch is strengthened in a kind of low smoke, and raw material includes: 80 parts of matrix pitch by weight, and 6 parts of modifying agent, composite adsorption
5 parts of agent, 5 parts of Complex Smoke, 2 parts of addition type room temperature vulcanized silicone rubber, H5005 parts of wood fibre；
Wherein, the raw material of modifying agent includes: 50 parts of phenolic resin of high solids content, poly- alkyl organic resin by weight
40 parts, 3 parts of Tween 80,3 parts of dodecyl polyoxyethylene ether sodium sulphate；
The raw material of compound adsorbent includes: 50 parts of 200 mesh coconut shell ash by weight, and 400 10 parts of mesh silica gel, 400 mesh cover de-
10 parts of stone, 400 10 parts of mesh activated aluminas, to 3 parts of alkylphenol formaldehyde resin；
The raw material of smoke suppressant includes: 20 parts of melamine by weight, and 50 parts of nano-sized molybdenum oxide, nanometer ammonium octamolybdate 20
Part, 15 parts of pentaerythrite, 2 parts of lauryl sodium sulfate；
In the preparation process of the phenolic resin of high solids content, taking phenol to be warming up to 50 DEG C makes its melting, and hydroxide is added
Sodium, terminal hydroxy group siloxanes 8427 stir 10min and mix, and are cooled to room temperature, and formaldehyde stirring 10min is added and mixes, is warming up to 60 DEG C,
Insulation reaction 50min is then warming up to 98 DEG C, insulation reaction 70min in 15min, is cooled to 50 DEG C, then vacuum dehydration is to viscous
Degree is that 6000cPs obtains high solids content phenolic resin, wherein phenol, sodium hydroxide, terminal hydroxy group siloxanes 8427, formaldehyde
Weight ratio is 100:1:6:120；The solid content of the phenolic resin of high solids content is 92wt%, and free phenol content is less than 1wt%, trip
It is less than 1.2wt% from content of formaldehyde；
Coconut shell ash is coconut husk in nitrogen atmosphere, 20min is pyrolyzed at a temperature of 600 DEG C, grinding obtains.
The preparation method of pitch is strengthened in above-mentioned low smoke, includes the following steps: to heat matrix pitch at a temperature of 170 DEG C
To flowing, high solids content phenolic resin and Tween 80 is added in shear history in then heat preservation shearing, and 15min is sheared in heat preservation,
Poly- alkyl organic resin and dodecyl polyoxyethylene ether sodium sulphate is added, then adjusts shearing rotating speed to 4500r/min, protects
Temperature shearing 10min obtains intermediate material, wherein every 3min, converts shear direction；150 DEG C are subsequently cooled to, shearing is adjusted and turns
Speed sequentially adds melamine, nano-sized molybdenum oxide, nanometer ammonium octamolybdate, pentaerythrite and dodecyl sulphur to 3000r/min
Then sour sodium, heat preservation shearing sequentially add silica gel, to alkylphenol formaldehyde resin, montmorillonite and activated alumina, heat preservation shearing
10min, sequentially adds coconut shell ash, silicon rubber and pitch wood fibre, and heat preservation shearing obtains low smoke and strengthens pitch, wherein
Melamine, nano-sized molybdenum oxide, nanometer ammonium octamolybdate, pentaerythrite and lauryl sodium sulfate divide equally 2 additions, often plus one
It is secondary, add again next time after heat preservation shearing 15min；Coconut shell ash, silicon rubber and pitch wood fibre divide equally 2 additions, often plus once,
Heat preservation shearing 10min adds next time again.
Embodiment 2
Pitch is strengthened in a kind of low smoke, and raw material includes: 85 parts of matrix pitch by weight, and 4 parts of modifying agent, composite adsorption
8 parts of agent, 3 parts of Complex Smoke, 3 parts of addition type room temperature vulcanized silicone rubber, H5003 parts of wood fibre；
Wherein, the raw material of modifying agent includes: 60 parts of phenolic resin of high solids content, poly- alkyl organic resin by weight
30 parts, 5 parts of Tween 80,2 parts of dodecyl polyoxyethylene ether sodium sulphate；
The raw material of compound adsorbent includes: 60 parts of 300 mesh coconut shell ash by weight, and 200 15 parts of mesh silica gel, 200 mesh cover de-
15 parts of stone, 200 15 parts of mesh activated aluminas, to 2 parts of alkylphenol formaldehyde resin；
The raw material of smoke suppressant includes: 30 parts of melamine by weight, and 40 parts of nano-sized molybdenum oxide, nanometer ammonium octamolybdate 30
Part, 10 parts of pentaerythrite, 5 parts of lauryl sodium sulfate；
In the preparation process of the phenolic resin of high solids content, taking phenol to be warming up to 60 DEG C makes its melting, and hydroxide is added
Sodium, terminal hydroxy group siloxanes 8427 stir 10min and mix, and are cooled to room temperature, and formaldehyde stirring 15min is added and mixes, is warming up to 50 DEG C,
Insulation reaction 60min is then warming up to 103 DEG C, insulation reaction 60min in 10min, is cooled to 60 DEG C, then vacuum dehydration is extremely
Viscosity is that 5000cPs obtains high solids content phenolic resin, wherein phenol, sodium hydroxide, terminal hydroxy group siloxanes 8427, formaldehyde
Weight ratio be 100:2:4:130；The solid content of the phenolic resin of high solids content be 90wt%, free phenol content be less than 1wt%,
Free formaldehyde content is less than 1.2wt%；
Coconut shell ash is coconut husk in nitrogen atmosphere, 15min is pyrolyzed at a temperature of 650 DEG C, grinding obtains.
The preparation method of pitch is strengthened in above-mentioned low smoke, includes the following steps: to heat matrix pitch at a temperature of 180 DEG C
To flowing, high solids content phenolic resin and Tween 80 is added in shear history in then heat preservation shearing, and 10min is sheared in heat preservation,
Poly- alkyl organic resin and dodecyl polyoxyethylene ether sodium sulphate is added, then adjusts shearing rotating speed to 4500r/min, protects
Temperature shearing 15min obtains intermediate material, wherein every 2min, converts shear direction；160 DEG C are subsequently cooled to, shearing is adjusted and turns
Speed sequentially adds melamine, nano-sized molybdenum oxide, nanometer ammonium octamolybdate, pentaerythrite and dodecyl sulphur to 3000r/min
Then sour sodium, heat preservation shearing sequentially add silica gel, to alkylphenol formaldehyde resin, montmorillonite and activated alumina, heat preservation shearing
6min, sequentially adds coconut shell ash, silicon rubber and pitch wood fibre, and heat preservation shearing obtains low smoke and strengthens pitch, wherein three
Poly cyanamid, nano-sized molybdenum oxide, nanometer ammonium octamolybdate, pentaerythrite and lauryl sodium sulfate are added three times, often plus one
It is secondary, add again next time after heat preservation shearing 10min；Coconut shell ash, silicon rubber and pitch wood fibre divide equally 2 additions, often plus once,
Heat preservation shearing 15min adds next time again.
Embodiment 3
Pitch is strengthened in a kind of low smoke, and raw material includes: 82.5 parts of matrix pitch by weight, and 5 parts of modifying agent, compound suction
Attached dose 6.5 parts, 4 parts of Complex Smoke, 2.5 parts of addition type room temperature vulcanized silicone rubber, 4 parts of wood fibre H500；
Wherein, the raw material of modifying agent includes: 55 parts of phenolic resin of high solids content, poly- alkyl organic resin by weight
35 parts, 4 parts of Tween 80,2.5 parts of dodecyl polyoxyethylene ether sodium sulphate；
The raw material of compound adsorbent includes: 55 parts of 250 mesh coconut shell ash, 300 12.5 parts of mesh silica gel, 300 mesh illiteracy by weight
De- 12.5 parts of stone, 300 12.5 parts of mesh activated aluminas, to 2.5 parts of alkylphenol formaldehyde resin；
The raw material of smoke suppressant includes: 25 parts of melamine by weight, and 45 parts of nano-sized molybdenum oxide, nanometer ammonium octamolybdate 25
Part, 12.5 parts of pentaerythrite, 3.5 parts of lauryl sodium sulfate；
In the preparation process of the phenolic resin of high solids content, taking phenol to be warming up to 55 DEG C makes its melting, and hydroxide is added
Sodium, terminal hydroxy group siloxanes 8427 stir 10min and mix, and are cooled to room temperature, and formaldehyde stirring 13min is added and mixes, is warming up to 55 DEG C,
Insulation reaction 55min is then warming up to 100 DEG C, insulation reaction 65min in 12.5min, is cooled to 55 DEG C, then vacuum dehydration
It is that 5500cPs obtains high solids content phenolic resin to viscosity, wherein phenol, sodium hydroxide, terminal hydroxy group siloxanes 8427, first
The weight ratio of aldehyde is 100:1.5:5:125；The solid content of the phenolic resin of high solids content is 91wt%, and free phenol content is less than
1wt%, free formaldehyde content are less than 1.2wt%；
Coconut shell ash is coconut husk in nitrogen atmosphere, 17min is pyrolyzed at a temperature of 625 DEG C, grinding obtains.
The preparation method of pitch is strengthened in above-mentioned low smoke, includes the following steps: to heat matrix pitch at a temperature of 175 DEG C
To flowing, high solids content phenolic resin and Tween 80, heat preservation shearing is added in shear history in then heat preservation shearing
Poly- alkyl organic resin and dodecyl polyoxyethylene ether sodium sulphate is added in 12.5min, then adjust shearing rotating speed to
4500r/min, heat preservation shearing 12.5min obtain intermediate material, wherein every 2.5min, convert shear direction；It is subsequently cooled to
155 DEG C, shearing rotating speed is adjusted to 3000r/min, sequentially adds melamine, nano-sized molybdenum oxide, nanometer ammonium octamolybdate, season penta
Four pure and mild lauryl sodium sulfate, heat preservation shearing, then sequentially add silica gel, to alkylphenol formaldehyde resin, montmorillonite and work
Property aluminium oxide, heat preservation shearing 8min sequentially adds coconut shell ash, silicon rubber and pitch wood fibre, and heat preservation shearing obtains low hair
Cigarette strengthens pitch, wherein melamine, nano-sized molybdenum oxide, nanometer ammonium octamolybdate, pentaerythrite and lauryl sodium sulfate are equal
Divide 2 additions, often plus once, adds again next time after heat preservation shearing 12.5min；Coconut shell ash, silicon rubber and pitch wood fibre are equal
Divide 2 additions, often plus once, heat preservation shearing 12.5min adds next time again.
Test example 1
Needle penetration is carried out to embodiment 1-3 respectively, softening point temperature, ductility, volatility flue gas reduction amount, phase angle, is answered
Number modulus of shearing, rut factor, rotary viscosity and creep rate are measured, and measurement result see the table below:
From the above results, volatility exhaust gas volumn of the invention reduces obvious, and Rut resistance and anti-aging property are good, change
The temperature sensitivity and high temperature stability performance of pitch have been apt to it, the cracking resistance of pitch is also improved, and preferably improves drip
Green comprehensive performance.
The foregoing is only a preferred embodiment of the present invention, but scope of protection of the present invention is not limited thereto,
Anyone skilled in the art in the technical scope disclosed by the present invention, according to the technique and scheme of the present invention and its
Inventive concept is subject to equivalent substitution or change, should be covered by the protection scope of the present invention.
Claims (10)
1. pitch is strengthened in a kind of low smoke, which is characterized in that its raw material includes: 80-85 parts of matrix pitch by weight, modifying agent
4-6 parts, 5-8 parts of compound adsorbent, 3-5 parts of Complex Smoke, 2-3 parts of silicon rubber, 3-5 parts of pitch wood fibre；
Wherein, the raw material of modifying agent includes: the phenolic resin of high solids content, poly- alkyl organic resin, Tween 80, dodecyl
Polyethenoxy ether sodium sulfate；
The raw material of compound adsorbent include: coconut shell ash, silica gel, montmorillonite, activated alumina, to alkylphenol formaldehyde resin；
The raw material of smoke suppressant includes: melamine, nano-sized molybdenum oxide, nanometer ammonium octamolybdate, pentaerythrite, dodecyl sulphate
Sodium.
2. pitch is strengthened in low smoke according to claim 1, which is characterized in that the viscosity of the phenolic resin of high solids content is
5000-6000cPs, solid content 90-92wt%, free phenol content is less than 1wt%, free formaldehyde content is less than 1.2wt%.
3. pitch is strengthened in low smoke according to claim 1 or claim 2, which is characterized in that the raw material of modifying agent includes: by weight
50-60 parts of the phenolic resin of high solids content, 30-40 parts of poly- alkyl organic resin, 3-5 parts of Tween 80, dodecyl polyoxy second
2-3 parts of alkene ether sodium sulfate.
4. pitch is strengthened in any one of -3 low smokes according to claim 1, which is characterized in that the raw material of compound adsorbent is by weight
Amount part includes: 50-60 parts of coconut shell ash, and 10-15 parts of silica gel, 10-15 parts of montmorillonite, 10-15 parts of activated alumina, to alkylphenol
2-3 parts of formaldehyde resin.
5. pitch is strengthened in any one of -4 low smokes according to claim 1, which is characterized in that the raw material of smoke suppressant is by weight
It include: 20-30 parts of melamine, 40-50 parts of nano-sized molybdenum oxide, 20-30 parts of nanometer ammonium octamolybdate, 10-15 parts of pentaerythrite,
2-5 parts of lauryl sodium sulfate.
6. pitch is strengthened in any one of -5 low smokes according to claim 1, which is characterized in that in the phenolic resin of high solids content
Preparation process in, take phenol to melt, be added sodium hydroxide, organosilicon mix, be cooled to room temperature, be added formaldehyde mix, heating
To 50-60 DEG C, insulation reaction 50-60min, it is then warming up to 98-103 DEG C, insulation reaction 60-70min is cooled to 50-60 DEG C,
Vacuum dehydration obtains high solids content phenolic resin again；Preferably, in the preparation process of the phenolic resin of high solids content, organosilicon
For terminal hydroxy group siloxanes 8427；Preferably, in the preparation process of the phenolic resin of high solids content, the temperature of phenol melting is
50-60℃；Preferably, in the preparation process of the phenolic resin of high solids content, 98-103 DEG C is warming up in 10-15min；It is excellent
Selection of land, in the preparation process of the phenolic resin of high solids content, phenol, sodium hydroxide, organosilicon, formaldehyde weight ratio be 100:
1-2:4-6:120-130.
7. pitch is strengthened in any one of -6 low smokes according to claim 1, which is characterized in that silicon rubber is bi-component addition type
Room temperature vulcanized silicone rubber；Preferably, pitch wood fibre is wood fibre H500；Preferably, coconut shell ash is 200-300 mesh；It is excellent
Selection of land, silica gel, montmorillonite, activated alumina are 200-400 mesh；Preferably, coconut shell ash is coconut husk in nitrogen atmosphere, in
15-20min is pyrolyzed at a temperature of 600-650 DEG C, grinding obtains.
8. the preparation method that pitch is strengthened in a kind of smoke low as described in claim any one of 1-7, which is characterized in that including as follows
Step: matrix pitch is heated to flowing at a temperature of 170-180 DEG C, then heat preservation shearing, and in shear history, Gao Gu is added
Content phenolic resin and Tween 80, heat preservation shearing 10-15min, are added poly- alkyl organic resin and dodecyl polyoxyethylene
Then ether sodium sulfate adjusts shearing rotating speed to 4500r/min, heat preservation shears 10-15min and obtains intermediate material；It is subsequently cooled to
150-160 DEG C, adjust shearing rotating speed to 3000r/min, sequentially add melamine, nano-sized molybdenum oxide, nanometer ammonium octamolybdate,
Pentaerythrite and lauryl sodium sulfate, heat preservation shearing, then sequentially add silica gel, to alkylphenol formaldehyde resin, montmorillonite
And activated alumina, heat preservation shearing 6-10min sequentially add coconut shell ash, silicon rubber and pitch wood fibre, heat preservation is sheared
Strengthen pitch to low smoke.
9. the preparation method of pitch is strengthened in low smoke according to claim 8, which is characterized in that in intermediate material preparation process
In, every 2-3min, convert shear direction.
10. the preparation method of pitch is strengthened in low smoke according to claim 8 or claim 9, which is characterized in that melamine, nanometer
Molybdenum trioxide, nanometer ammonium octamolybdate, pentaerythrite and lauryl sodium sulfate divide equally 2-3 addition, often plus once, heat preservation shearing
Add again next time after 10-15min；Preferably, coconut shell ash, silicon rubber and pitch wood fibre divide equally 2 additions, often plus once,
Heat preservation shearing 10-15min adds next time again.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810967197.4A CN109401341A (en) | 2018-08-23 | 2018-08-23 | Pitch and preparation method thereof is strengthened in a kind of low smoke |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810967197.4A CN109401341A (en) | 2018-08-23 | 2018-08-23 | Pitch and preparation method thereof is strengthened in a kind of low smoke |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN109401341A true CN109401341A (en) | 2019-03-01 |
Family
ID=65464363
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201810967197.4A Pending CN109401341A (en) | 2018-08-23 | 2018-08-23 | Pitch and preparation method thereof is strengthened in a kind of low smoke |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109401341A (en) |
Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5355332A (en) * | 1976-10-28 | 1978-05-19 | Taku Yamada | Method of treating composite of pitch to incombustibilize |
| JP4279005B2 (en) * | 2003-02-26 | 2009-06-17 | 東海カーボン株式会社 | Asphalt binder and asphalt mixture for paving |
| CN102850811A (en) * | 2012-09-29 | 2013-01-02 | 长安大学 | Environment-friendly flame retardancy and smoke suppression asphalt for halogen-free 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 |
| CN103740121A (en) * | 2014-01-24 | 2014-04-23 | 长安大学 | Road modified asphalt |
| 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 |
| CN107722652A (en) * | 2017-10-25 | 2018-02-23 | 中石油燃料油有限责任公司研究院 | A kind of pitch smoke inhibition modifying agent, suppression cigarette modified pitch and preparation method thereof |
| CN108003381A (en) * | 2017-12-22 | 2018-05-08 | 重庆鑫路捷科技股份有限公司 | Strengthen the pitch smoke suppressant of smoke suppressing and include its mix asphalt |
-
2018
- 2018-08-23 CN CN201810967197.4A patent/CN109401341A/en active Pending
Patent Citations (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5355332A (en) * | 1976-10-28 | 1978-05-19 | Taku Yamada | Method of treating composite of pitch to incombustibilize |
| JP4279005B2 (en) * | 2003-02-26 | 2009-06-17 | 東海カーボン株式会社 | Asphalt binder and asphalt mixture for paving |
| CN102850811A (en) * | 2012-09-29 | 2013-01-02 | 长安大学 | Environment-friendly flame retardancy and smoke suppression asphalt for halogen-free 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 |
| CN103740121A (en) * | 2014-01-24 | 2014-04-23 | 长安大学 | Road modified asphalt |
| 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 |
| CN107722652A (en) * | 2017-10-25 | 2018-02-23 | 中石油燃料油有限责任公司研究院 | A kind of pitch smoke inhibition modifying agent, suppression cigarette modified pitch and preparation method thereof |
| CN108003381A (en) * | 2017-12-22 | 2018-05-08 | 重庆鑫路捷科技股份有限公司 | Strengthen the pitch smoke suppressant of smoke suppressing and include its mix asphalt |
Non-Patent Citations (5)
| Title |
|---|
| SHARMA, AJIT 等: "A novel nanocomposite of Ca(OH)(2)-incorporated zeolite as an additive to reduce atmospheric emissions of PM and VOCs during asphalt production", 《ENVIRONMENTAL SCIENCE-NANO》 * |
| XIAO, Y. 等: "Using Activated Carbon to Reduce the Volatile Organic Compounds from Bituminous Materials", 《JOURNAL OF MATERIALS IN CIVIL ENGINEERING》 * |
| 张红华: "抑烟沥青的性能及抑烟效果评价研究", 《中国优秀硕士学位论文全文数据库（电子期刊）工程科技Ⅰ辑》 * |
| 张红章 等: "沥青路面烟气抑制剂的试验研究", 《西部交通科技》 * |
| 王俐栋: "环保型抑烟沥青及其混合料性能研究", 《中国优秀硕士学位论文全文数据库（电子期刊）工程科技Ⅰ辑》 * |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104556888B (en) | A kind of asphalt and preparation method thereof | |
| AU2009232015B2 (en) | Process for manufacturing asphalt | |
| CN103897414B (en) | A kind of composite ageing-resistant road asphalt and preparation method thereof | |
| CN102558880B (en) | A kind of modifying asphalt, Warm-Mix Bitumen Mixture and preparation method thereof | |
| CN107739516A (en) | A kind of nano-titanium dioxide modified bituminous epoxy functional material and preparation method thereof | |
| CN107503261B (en) | A kind of combined type pitch cooling road surface and its construction method | |
| CN108727843A (en) | A kind of composite modified devulcanized rubber pitch and preparation method thereof | |
| CN107266919A (en) | A kind of stable type rubber and SBS composite modified asphalts and preparation method thereof | |
| CN107011689A (en) | A kind of ageing-resistant thermochromism modified pitch and preparation method thereof | |
| CN109401341A (en) | Pitch and preparation method thereof is strengthened in a kind of low smoke | |
| CN105254206B (en) | A kind of asphalt flame-retardant agent, its preparation method and application | |
| CN102795808A (en) | Warm mix asphalt and preparation method thereof | |
| CN106947271A (en) | A kind of composite modified asphalt based on multi-element biologic material and preparation method thereof | |
| CN104817850A (en) | Compound buton rock modified asphalt of nano material for heavy-loaded traffic road and preparation technology of compound buton rock modified asphalt | |
| CN107446365A (en) | A kind of anti-rutting asphalt and preparation method thereof | |
| CN103773040A (en) | Composite modified asphalt and preparation method thereof | |
| CN109694585A (en) | A kind of high viscosity composite modified asphalt and preparation method thereof | |
| CN106009739A (en) | Modified emulsified asphalt for ultrathin wearing layers and preparation method thereof | |
| CN106433161A (en) | Asphalt inflaming-retarding modified waste rubber powder for road and preparation method | |
| CN109320974A (en) | A kind of high viscosity composite modified asphalt and preparation method thereof | |
| CN109370242A (en) | A kind of modified asphalt composite and preparation method thereof | |
| CN104312171A (en) | Ultraviolet aging resistant modified asphalt and preparation method thereof | |
| CN112159155A (en) | Mixed-length basalt fiber asphalt mixture for improving crack resistance of roads | |
| CN104560088B (en) | A kind of bi tumenf orr oad and preparation method thereof | |
| CN104817849A (en) | Inorganic modified asphalt and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| RJ01 | Rejection of invention patent application after publication | ||
| RJ01 | Rejection of invention patent application after publication |
Application publication date: 20190301 |