CN109867971A - A kind of compound suppression fumed oak glue asphalt production process of expanded graphite coumarone indene resin - Google Patents
A kind of compound suppression fumed oak glue asphalt production process of expanded graphite coumarone indene resin Download PDFInfo
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- CN109867971A CN109867971A CN201910124313.0A CN201910124313A CN109867971A CN 109867971 A CN109867971 A CN 109867971A CN 201910124313 A CN201910124313 A CN 201910124313A CN 109867971 A CN109867971 A CN 109867971A
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- expanded graphite
- indene resin
- coumarone indene
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Abstract
The invention discloses a kind of compound suppression fumed oak glue asphalt production process of expanded graphite coumarone indene resin, (1) compound suppression cigarette rubber asphalt is placed in standing swelling 45~60min (6) in 170 DEG C~175 DEG C of environment and detected by suppression cigarette rubber asphalt made from above-mentioned technological parameter by expanded graphite progress shear agitation (5) that coumarone indene resin progress shear agitation (4) of rubber powder of waste tire progress shear agitation (3) addition 0.4%~0.6% of selection 70# or 90# matrix pitch (2) admixture 15%~18% into the matrix pitch for be heated to 175 DEG C~185 DEG C adds 0.3%~0.5%, make its 180 DEG C of Bush's viscosities between 1.8~2.5Pas, waste rubber tyre powder volume is adjusted when undesirable.The compound suppression cigarette rubber asphalt of expanded graphite coumarone indene resin of the present invention can effectively inhibit the pernicious gas discharged when rubber asphalt production and construction, and reduction is influenced caused by construction personnel and environment.And its manufacture craft is simple, strong operability, cementitious matter quality is stablized, and mixture homogeneity is good, can be mass, scale application.
Description
Technical field
The invention belongs to rubber asphalt technical fields, and in particular to the compound suppression cigarette rubber asphalt of expanded graphite coumarone indene resin
Preparation method.
Background technique
Since rubber asphalt is with good anti-fatigue ability, low-temperature resistance cracking ability and Reflective Cracking Resistance, then plus
Upper good driving impression, low row vehicle noise and solving damaged tire solid pollution, energy saving, special in terms of protection environment
Effect, occupies consequence in the various methods of asphalt modification, is promoted and applied rapidly at home in recent years.
However rubber asphalt itself also has many disadvantages, since rubber asphalt is rubber powder of waste tire, additive, matrix
Pitch etc. acts on the cementitious matter to be formed by a series of physical-chemical blend, can generate largely under high temperature heating conditions to people
The harmful flue dust of body, such as phenols, benzene soluble matter, benzopyrenes.And rubber asphalt is relative to common matrix pitch and gathers
Polymer modified pitch has higher requirement to construction temperature so that waste rubber tyre powder particle and bitumen compound at high temperature under the conditions of
It is soluble to release more toxic irritative gas, such as NOx, SO2、H2S and carcinogen acridine (C13H9N), 1- methyl pyrene
(C17H12), benzo a anthracene (C18H12), benzo (b) firefly anthracene (C20H12), benzo (j) firefly anthracene (C20H12), benzo (k) firefly anthracene
(C20H12), benzo (a) pyrene (C20H12), 1,12- benzo flower (C22H12), diphenyl a, h anthracene (C22H14) etc., special H2S gas is
Strong neurotoxin has intense stimulus effect to mucous membrane.According to investigation, 190 can be detected in rubber asphalt smog altogether
Some Organic Pollutants, what is be confirmed has the pollutant of carcinogenicity to have 17 kinds.
In Rubber-Asphalt Pavement work progress, due to high temperature construction, bitumen flue gas concentration is big, and construction personnel is for a long time
It is exposed in harmful smoke, the symptoms such as headache, nausea, burnout, body temperature rising for easily causing operating personnel different degrees of.Not only drop
The efficiency of low paving operation, and healthy generate of construction personnel can be influenced to some extent, therefore how research reduces rubber
The discharge amount of pernicious gas in glue bituminous mixture work progress, to improving construction personnel's operating environment and health,
Pavement construction efficiency is improved, is had very important significance.
Summary of the invention
In order to solve the above technical problems, the present invention provides a kind of compound suppression cigarette rubber asphalt system of expanded graphite coumarone indene resin
Preparation Method, comprising the following steps:
(1) 70# or 90# matrix pitch is chosen, it is desirable that four component ratios are as follows: asphalitine 6%~15%, colloid 19%~
39%, fragrance point 32%~60%, saturation point 13%~31%, are quickly heated to 175 DEG C~185 DEG C；
(2) rubber powder of waste tire that 15%~18% is added in the matrix pitch of Xiang Jiare, at 180 DEG C~190 DEG C
At a temperature of 60min stirred with the rotating speed cutting of 3000r/min, it is fast after revolving speed is first slow, 3000r/min is reached in 5min；
(3) coumarone indene resin of addition 0.4%~0.6% stirs 5min with the rotating speed cutting of 2000r/min；
(4) expanded graphite of addition 0.3%~0.5% stirs 10min with the rotating speed cutting of 2000r/min；
(5) by compound suppression cigarette rubber asphalt obtained above be placed in 170 DEG C~175 DEG C of environment stand swelling 45~
60min；
(6) detection presses down cigarette rubber asphalt by above-mentioned technological parameter is obtained, make its 180 DEG C of Bush's viscosities 1.8~
Between 2.5Pas, waste rubber tyre powder volume is adjusted when undesirable；
This Bush's viscosity is the number returned by 50% torque by the viscosity of 5 kinds of measurement or more different rotating speeds
According to.
Preferably, the additive amount of coumarone indene resin is 0.5%, and the additive amount of expanded graphite is 0.4%.
Preferably, expanded graphite technical requirements:
Select low-sulfur high antioxidant expanded graphite, it is desirable that: allowance for expansion >=350 (ml/g), ash content < 0.2%, moisture
< 3%, screen over-size > 90%, volatile matter < 8%, pH value 3~5, oxidisability < 35mg/ (g ﹒ h).
Preferably, coumarone indene resin technical requirements:
Select solid coumarone resin, it is desirable that: coloration≤3,80 DEG C~90 DEG C of softening point, pH value 5~7, ash content <
0.2%, moisture < 0.3%.
Preferably, rubber powder of waste tire technical requirements:
The waste tire for selecting natural rubber content high is produced into rubber powder and through making a living using room temperature grinding sulfuration process
Change processing, it is desirable that: fineness be 30 mesh~80 mesh, rubber hydrocarbon content >=45%, content of carbon black >=30%, acetone extract≤
20%, ash content≤5%, tenor < 0.05%.
A kind of compound suppression cigarette rubber asphalt of expanded graphite coumarone indene resin of above-mentioned preparation method preparation.
The beneficial effect of this patent is that the compound suppression cigarette rubber asphalt of expanded graphite coumarone indene resin proposed can effectively press down
The pernicious gas discharged when rubber asphalt production and construction processed, reduction is influenced caused by construction personnel and environment, in low bulk stone
(volume < 0.5%) its suppression cigarette rate can reach 70% or more in the case of ink, coumarone indene resin volume, and economic results in society are aobvious
It writes.And its manufacture craft is simple, strong operability, cementitious matter quality is stablized, and mixture homogeneity is good, can be mass, scale
Using.For largely using discarded old tire, solving waste tire to ecological pollutions such as water, air, soils, improving the clothes on road surface
Quality of being engaged in and service life, the construction of accelerated development high grade pavement promote rapid economic development to have great importance, so that waste and old wheel
The popularization and application of tire rubber Fen highway industry reach benefit the nation, be favorable to the people, Li Lu.
Specific embodiment
Embodiment 1
The invention discloses a kind of compound suppression fumed oak glue asphalt production process of expanded graphite coumarone indene resin:
1. expanded graphite technical requirements
Select low-sulfur high antioxidant expanded graphite, it is desirable that: allowance for expansion >=350 (ml/g), ash content < 0.2%, moisture
< 3%, screen over-size > 90%, volatile matter < 8%, pH value 3~5, oxidisability < 35mg/ (g ﹒ h).
2. coumarone indene resin technical requirements
Select solid coumarone resin, it is desirable that: coloration≤3,80 DEG C~90 DEG C of softening point, pH value 5~7, ash content <
0.2%, moisture < 0.3%.
3. rubber powder of waste tire technical requirements
The waste tire for selecting natural rubber content high is produced into rubber powder and through making a living using room temperature grinding sulfuration process
Change processing, it is desirable that: fineness be 30 mesh~80 mesh, rubber hydrocarbon content >=45%, content of carbon black >=30%, acetone extract≤
20%, ash content≤5%, tenor < 0.05%.
The preparation method of compound smoke-inhibiting type rubber asphalt, comprising the following steps:
(1) 70# matrix pitch is chosen, it is desirable that four component ratios are as follows: asphalitine 6%, fragrance point 60%, is satisfied at colloid 19%
With point 15%, it is quickly heated to 175 DEG C；
(2) in the matrix pitch of Xiang Jiare add 15%% rubber powder of waste tire, 180 DEG C at a temperature of with
The rotating speed cutting stirring 60min of 3000r/min (revolving speed is preferably first slow rear fast, and 3000r/min is reached in 5min)；
(3) coumarone indene resin of addition 0.4% stirs 5min with the rotating speed cutting of 2000r/min；
(4) expanded graphite of addition 0.3% stirs 10min with the rotating speed cutting of 2000r/min；
(5) compound suppression cigarette rubber asphalt obtained above is placed in 170 DEG C of environment and stands swelling 45min；
(6) detection presses down cigarette rubber asphalt by above-mentioned technological parameter is obtained, its 180 DEG C of Bush's viscosities is made to exist
Between 1.8Pas, waste rubber tyre powder volume is adjusted when undesirable.(explanation: this Bush's viscosity be by measurement 5 kinds with
The viscosity of upper different rotating speeds, the data returned by 50% torque).
The invention patent passes through certain technique to inhibit the smog in Rubber-Asphalt Pavement work progress to volatilize for starting point
The physical and chemical adsorption ability for giving full play to expanded graphite, coumarone indene resin, is effectively reduced in rubber asphalt work progress and generates
Pernicious gas influenced caused by construction personnel and environment, meet green, environmental protection, high-performance road surface development trend, have
Boundless market promotion prospect.
Embodiment 2
Present embodiment discloses a kind of compound suppression fumed oak glue asphalt production process of expanded graphite coumarone indene resin, including it is following
Step:
(1) 90# matrix pitch is chosen, it is desirable that four component ratios are as follows: asphalitine 15%, fragrance point 32%, is satisfied at colloid 39%
With point 14%, it is quickly heated to 180 DEG C；
(2) in the matrix pitch of Xiang Jiare add 18% rubber powder of waste tire, 190 DEG C at a temperature of with 3000r/
The rotating speed cutting stirring 60min of min (revolving speed is preferably first slow rear fast, and 3000r/min is reached in 5min)；
(3) coumarone indene resin for then adding 0.5%, stirs 5min with the rotating speed cutting of 2000r/min；
(4) expanded graphite for then adding 0.4%, stirs 10min with the rotating speed cutting of 2000r/min；
(5) compound suppression cigarette rubber asphalt obtained above is placed in 173 DEG C of environment and stands swelling 55min；
(6) detection presses down cigarette rubber asphalt by above-mentioned technological parameter is obtained, its 180 DEG C of Bush's viscosities is made to exist
Between 2.1Pas, waste rubber tyre powder volume is adjusted when undesirable.(explanation: this Bush's viscosity be by measurement 5 kinds with
The viscosity of upper different rotating speeds, the data returned by 50% torque).
Expanded graphite, coumarone indene resin, rubber powder of waste tire technical requirements be same as above.
Embodiment 3
Present embodiment discloses a kind of compound suppression fumed oak glue asphalt production process of expanded graphite coumarone indene resin, including it is following
Step:
(1) 70# matrix pitch is chosen, it is desirable that four component ratios are as follows: asphalitine 15%, fragrance point 35%, is satisfied at colloid 19%
With point 31%, it is quickly heated to 185 DEG C；
(2) in the matrix pitch of Xiang Jiare add 18% rubber powder of waste tire, 190 DEG C at a temperature of with 3000r/
The rotating speed cutting stirring 60min of min (revolving speed is preferably first slow rear fast, and 3000r/min is reached in 5min)；
(3) coumarone indene resin for then adding 0.5%, stirs 5min with the rotating speed cutting of 2000r/min；
(4) expanded graphite for then adding 0.4%, stirs 10min with the rotating speed cutting of 2000r/min；
(5) compound suppression cigarette rubber asphalt obtained above is placed in 175 DEG C of environment and stands 45~60min of swelling；
(6) detection presses down cigarette rubber asphalt by above-mentioned technological parameter is obtained, its 180 DEG C of Bush's viscosities is made to exist
Between 2.5Pas, waste rubber tyre powder volume is adjusted when undesirable.(explanation: this Bush's viscosity be by measurement 5 kinds with
The viscosity of upper different rotating speeds, the data returned by 50% torque).
Expanded graphite, coumarone indene resin, rubber powder of waste tire technical requirements be same as above.
Finally, it should be noted that the foregoing is only a preferred embodiment of the present invention, it is not intended to restrict the invention,
Although the present invention is described in detail referring to the foregoing embodiments, for those skilled in the art, still may be used
To modify the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features.
All within the spirits and principles of the present invention, any modification, equivalent replacement, improvement and so on should be included in of the invention
Within protection scope.
Claims (6)
1. a kind of compound suppression fumed oak glue asphalt production process of expanded graphite coumarone indene resin, which comprises the following steps:
(1) choose 70# or 90# matrix pitch, it is desirable that four component ratios are as follows: asphalitine 6%~15%, colloid 19%~39%,
Fragrance point 32%~60%, saturation point 13%~31%, are quickly heated to 175 DEG C~185 DEG C；
(2) rubber powder of waste tire that 15%~18% is added in the matrix pitch of Xiang Jiare, in 180 DEG C~190 DEG C of temperature
Under 60min stirred with the rotating speed cutting of 3000r/min, it is fast after revolving speed is first slow, 3000r/min is reached in 5min；
(3) coumarone indene resin of addition 0.4%~0.6% stirs 5min with the rotating speed cutting of 2000r/min；
(4) expanded graphite of addition 0.3%~0.5% stirs 10min with the rotating speed cutting of 2000r/min；
(5) compound suppression cigarette rubber asphalt obtained above is placed in 170 DEG C~175 DEG C of environment and stands 45~60min of swelling；
(6) detection presses down cigarette rubber asphalt by above-mentioned technological parameter is obtained, make its 180 DEG C of Bush's viscosities 1.8~
Between 2.5Pas, waste rubber tyre powder volume is adjusted when undesirable；
This Bush's viscosity is the data returned by 50% torque by the viscosity of 5 kinds of measurement or more different rotating speeds.
2. the compound suppression fumed oak glue asphalt production process of expanded graphite coumarone indene resin according to claim 1, feature exist
In the additive amount of coumarone indene resin is 0.5%, and the additive amount of expanded graphite is 0.4%.
3. the compound suppression fumed oak glue asphalt production process of expanded graphite coumarone indene resin according to claim 1, feature exist
In,
Expanded graphite technical requirements:
Select low-sulfur high antioxidant expanded graphite, it is desirable that: allowance for expansion >=350 (ml/g), ash content < 0.2%, moisture <
3%, screen over-size > 90%, volatile matter < 8%, pH value 3~5, oxidisability < 35mg/ (g ﹒ h).
4. the compound suppression fumed oak glue asphalt production process of expanded graphite coumarone indene resin according to claim 1, feature exist
In,
Coumarone indene resin technical requirements:
Select solid coumarone resin, it is desirable that: coloration≤3,80 DEG C~90 DEG C of softening point, pH value 5~7, ash content < 0.2%, water
Divide < 0.3%.
5. the compound suppression fumed oak glue asphalt production process of expanded graphite coumarone indene resin according to claim 1, feature exist
In,
Rubber powder of waste tire technical requirements:
Select the high waste tire of natural rubber content, rubber powder is produced into using room temperature grinding sulfuration process and through overactivation at
Reason, it is desirable that: fineness is 30 mesh~80 mesh, rubber hydrocarbon content >=45%, content of carbon black >=30%, acetone extract≤20%, ash
Divide≤5%, tenor < 0.05%.
6. a kind of compound suppression cigarette rubber asphalt of expanded graphite coumarone indene resin of the preparation of preparation method described in claim 1-5.
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| CN201910124313.0A CN109867971A (en) | 2019-02-18 | 2019-02-18 | A kind of compound suppression fumed oak glue asphalt production process of expanded graphite coumarone indene resin |
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| CN201910124313.0A CN109867971A (en) | 2019-02-18 | 2019-02-18 | A kind of compound suppression fumed oak glue asphalt production process of expanded graphite coumarone indene resin |
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Cited By (1)
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| CN115260777A (en) * | 2022-07-04 | 2022-11-01 | 长沙理工大学 | Rubber asphalt additive, rubber asphalt and preparation method thereof |
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Application publication date: 20190611 |