CN104448657B - A kind of composite modified asphalt and preparation method thereof - Google Patents
A kind of composite modified asphalt and preparation method thereof Download PDFInfo
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- CN104448657B CN104448657B CN201410757137.1A CN201410757137A CN104448657B CN 104448657 B CN104448657 B CN 104448657B CN 201410757137 A CN201410757137 A CN 201410757137A CN 104448657 B CN104448657 B CN 104448657B
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Abstract
Composite modified asphalt of the present invention；It is prepared from the following raw materials in parts by weight：72~78 parts of asphalt, 0.8~1 part of nonylphenol polyoxyethylene ether, 1~1.2 part of stearyl dimethyl benzyl ammonium chloride, 8~10 parts of deionized water, 0.8~1 part of azodiisobutyronitrile, 9~10 parts of 2 methyl, 1,3 butadiene, 1~1.8 part of sodium pyrophosphate, 5~6 parts of guar gum, 10~12 parts of vinal, 2~3 parts of zirconium dioxide.Composite modified asphalt of the present invention；Overall performance protrudes, and has good fatigue durability, ageing resistance, has excellent tensile property, elastic restoration ratio outstanding and higher asphalt softening point, it can be achieved that the key index such as high temperature anti-rut behavior of asphalt is obviously improved.
Description
Technical field
The invention belongs to engineering material field, it is related to a kind of composite modified asphalt and preparation method thereof.
Background technology
Many variations occur for highroad and road：The magnitude of traffic flow and traveling frequency sharp increase, the axis weight of freight is not
It is disconnected to increase, generally carry out divided lane one-way traffic, it is desirable that further increase road surface resistance to flow, i.e., the energy of Rut resistance under high temperature
Power；Improve flexible and elasticity, i.e., the ability of cracking resistance under low temperature；It improves abrasion performance ability and prolongs the service life.Modern architecture
Object generally uses large-span prestressed roof boarding, it is desirable that roof waterpoof material adapts to big displacement, more tolerant to harsh height wet
Time condition, durability is more preferable, there is tack, facilitates construction, reduces maintenance load.These variations that use environment occurs are to stone
The performance of oil asphalt proposes stern challenge.To petroleum asphalt modified, above-mentioned harsh requirement is adapted it to, people is caused
Attention.
Invention content
Present invention aims to overcome that deficiency in the prior art, provides a kind of composite modified asphalt, the composite modified drip
Blueness has good fatigue durability, ageing resistance, has excellent tensile property, elastic and higher asphalt softening point can be real
The key index such as high temperature anti-rut behavior of existing asphalt is obviously improved.
Composite modified asphalt of the present invention；It is prepared from the following raw materials in parts by weight：72~78 parts of asphalt, nonyl phenol are poly-
0.8~1 part of ethylene oxide ether, 1~1.2 part of stearyl dimethyl benzyl ammonium chloride, 8~10 parts of deionized water, two isobutyl of azo
0.8~1 part of nitrile, 2- methyl-1s, 9~10 parts of 3- butadiene, 1~1.8 part of sodium pyrophosphate, 5~6 parts of guar gum, polyvinyl alcohol
10~12 parts of fiber, 2~3 parts of zirconium dioxide.
As an optimization, the composite modified asphalt, is prepared from the following raw materials in parts by weight：75 parts of asphalt, nonyl phenol
0.9 part of polyoxyethylene ether, 1.1 parts of stearyl dimethyl benzyl ammonium chloride, 9 parts of deionized water, 0.8 part of azodiisobutyronitrile,
2- methyl-1s, 9 parts of 3- butadiene, 1.5 parts of sodium pyrophosphate, 5.5 parts of guar gum, 11 parts of vinal, zirconium dioxide 2.8
Part.
Wherein zirconium dioxide is the 8Y cubic-phase nano zirconium oxides of 20~30nm of grain size.Asphalt is No. 70 and hands over drip again
It is green.
The method for preparing the composite modified asphalt, includes the following steps：
（1）Take 0.9 part of nonylphenol polyoxyethylene ether, 1.1 parts of stearyl dimethyl benzyl ammonium chloride, 9 parts of deionized water
It is uniformly mixed at a temperature of 85~90 DEG C；
（2）Asphalt is heated to 130~140 DEG C for 40 parts, 0.8 part of azodiisobutyronitrile, 2- methyl-1s is then added,
9 parts of 3- butadiene, 1.5 parts of sodium pyrophosphate are stirred 100~120 minutes with 200~300 turns/min rotating speeds；
（3）Asphalt is heated to 115~125 DEG C for 35 parts, is then added and sequentially adds 5.5 parts of guar gum, poly- second
11 parts of enol fiber, 2.8 parts of zirconium dioxide are stirred 30~40 minutes with 1500~1800 turns/min rotating speeds；
（4）By step（1）In mixture and step（3）In mixture be added sequentially to step（2）In mixing
In object, under the conditions of 120~130 DEG C, with 600~800 turns/min rotating speeds stir 40~50 minutes to get.
Composite modified asphalt of the present invention；It is formed using nonylphenol polyoxyethylene ether, stearyl dimethyl benzyl ammonium chloride
Emulsifier；Azodiisobutyronitrile, 2- methyl-1s, the modifying agent that 3- butadiene, sodium pyrophosphate form；Guar gum, polyethylene
Alcohol fiber, 20~30nm of grain size 8Y cubic-phase nano zirconium oxides composition active stabilizer；Various ingredients use special process
It is prepared, overall performance protrudes, and has good fatigue durability, ageing resistance, especially has excellent tensile property, prominent
Elastic restoration ratio and higher asphalt softening point, it can be achieved that the key index such as high temperature anti-rut behavior of asphalt it is aobvious
It writes and is promoted.
Specific implementation mode
The embodiments given below are intended to further illustrate the invention, but is not to be construed as to the scope of the present invention
Limitation, some the nonessential modifications and adaptations of those skilled in the art according to the content of present invention to the present invention still fall within this
The protection domain of invention.
Embodiment 1：（1）Take 0.9 kilogram of nonylphenol polyoxyethylene ether, 1.1 kilograms of stearyl dimethyl benzyl ammonium chloride,
9 kilograms of deionized water is uniformly mixed at a temperature of 85~90 DEG C；
（2）No. 70 40 kilograms of heavy traffic paving asphalts are heated to 130~140 DEG C, then be added 0.8 kilogram of azodiisobutyronitrile,
2- methyl-1s, 9 kilograms of 3- butadiene, 1.5 kilograms of sodium pyrophosphate are stirred 100~120 minutes with 200~300 turns/min rotating speeds；
（3）No. 70 35 kilograms of heavy traffic paving asphalts are heated to 115~125 DEG C, is then added and sequentially adds guar gum 5.5 thousand
Gram, 2.8 kilograms of the 8Y cubic-phase nanos zirconium oxide of 11 kilograms of vinal, 20~30nm of grain size, with 1500~1800 turns/
Min rotating speeds stir 30~40 minutes；
（4）By step（1）In mixture and step（3）In mixture be added sequentially to step（2）In mixing
In object, under the conditions of 120~130 DEG C, with 600~800 turns/min rotating speeds stir 40~50 minutes to get.
Embodiment 2：（1）It takes 0.8 kilogram of nonylphenol polyoxyethylene ether, 1 kilogram of stearyl dimethyl benzyl ammonium chloride, go
8 kilograms of ionized water is uniformly mixed at a temperature of 85~90 DEG C；
（2）No. 70 38 kilograms of heavy traffic paving asphalts are heated to 130~140 DEG C, then be added 0.8 kilogram of azodiisobutyronitrile,
2- methyl-1s, 9 kilograms of 3- butadiene, 1 kilogram of sodium pyrophosphate are stirred 100~120 minutes with 200~300 turns/min rotating speeds；
（3）No. 70 34 kilograms of heavy traffic paving asphalts are heated to 115~125 DEG C, is then added and sequentially adds guar gum 5,000
Gram, 2 kilograms of the 8Y cubic-phase nanos zirconium oxide of 10 kilograms of vinal, 20~30nm of grain size, with 1500~1800 turns/
Min rotating speeds stir 30~40 minutes；
（4）By step（1）In mixture and step（3）In mixture be added sequentially to step（2）In mixing
In object, under the conditions of 120~130 DEG C, with 600~800 turns/min rotating speeds stir 40~50 minutes to get.
Embodiment 3：（1）It takes 1 kilogram of nonylphenol polyoxyethylene ether, 1.2 kilograms of stearyl dimethyl benzyl ammonium chloride, go
10 kilograms of ionized water is uniformly mixed at a temperature of 85~90 DEG C；
（2）No. 70 42 kilograms of heavy traffic paving asphalts are heated to 130~140 DEG C, 1 kilogram of azodiisobutyronitrile, 2- is then added
Methyl-1,10 kilograms of 3- butadiene, 1.8 kilograms of sodium pyrophosphate are stirred 100~120 minutes with 200~300 turns/min rotating speeds；
（3）No. 70 36 kilograms of heavy traffic paving asphalts are heated to 115~125 DEG C, is then added and sequentially adds guar gum 6,000
Gram, 3 kilograms of the 8Y cubic-phase nanos zirconium oxide of 12 kilograms of vinal, 20~30nm of grain size, with 1500~1800 turns/
Min rotating speeds stir 30~40 minutes；
（4）By step（1）In mixture and step（3）In mixture be added sequentially to step（2）In mixing
In object, under the conditions of 120~130 DEG C, with 600~800 turns/min rotating speeds stir 40~50 minutes to get.
Composite modified asphalt of the present invention, the related experimental result of each embodiment are shown in Table 1.
Claims (2)
1. a kind of composite modified asphalt, it is characterised in that by the raw material of following parts by weight：75 parts of asphalt, polyoxyethylene nonyl phenyl
0.9 part of vinethene, 1.1 parts of stearyl dimethyl benzyl ammonium chloride, 9 parts of deionized water, 0.8 part of azodiisobutyronitrile, 2- first
9 parts of base -1,3- butadiene, 1.5 parts of sodium pyrophosphate, 5.5 parts of guar gum, 11 parts of vinal, 2.8 parts of zirconium dioxide；
It is made up of following steps：
（1）Take 0.9 part of nonylphenol polyoxyethylene ether, 1.1 parts of stearyl dimethyl benzyl ammonium chloride, 9 parts of deionized water 85
It is uniformly mixed at a temperature of~90 DEG C；
（2）Asphalt is heated to 130~140 DEG C for 40 parts, 0.8 part of azodiisobutyronitrile, 2- methyl-1s, 3- fourths is then added
9 parts of diene, 1.5 parts of sodium pyrophosphate are stirred 100~120 minutes with 200~300 turns/min rotating speeds；
（3）Asphalt is heated to 115~125 DEG C for 35 parts, is then added and sequentially adds 5.5 parts of guar gum, polyvinyl alcohol
11 parts of fiber, 2.8 parts of zirconium dioxide are stirred 30~40 minutes with 1500~1800 turns/min rotating speeds；
（4）By step（1）In mixture and step（3）In mixture be added sequentially to step（2）In mixture in,
Under the conditions of 120~130 DEG C, with 600~800 turns/min rotating speeds stir 40~50 minutes to get.
2. composite modified asphalt according to claim 1, which is characterized in that the zirconium dioxide is 20~30nm's of grain size
8Y cubic-phase nano zirconium oxides.
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| CN201410757137.1A CN104448657B (en) | 2014-12-11 | 2014-12-11 | A kind of composite modified asphalt and preparation method thereof |
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| CN201410757137.1A CN104448657B (en) | 2014-12-11 | 2014-12-11 | A kind of composite modified asphalt and preparation method thereof |
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| CN104448657A CN104448657A (en) | 2015-03-25 |
| CN104448657B true CN104448657B (en) | 2018-10-02 |
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| CN106118095B (en) * | 2016-07-02 | 2018-08-07 | 王洪先 | A kind of renewable asphalt and preparation method thereof |
| CN109486222A (en) * | 2018-11-15 | 2019-03-19 | 刘景章 | A kind of modified pitch and preparation method thereof |
Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054470A (en) * | 2007-05-25 | 2007-10-17 | 重庆师范大学 | Emulsification asphalt used for high speed railway or light rail plate type slag-free orbit CA mortar |
| CN102030998A (en) * | 2009-09-28 | 2011-04-27 | 北京东方雨虹防水技术股份有限公司 | Emulsified asphalt for slab ballastless track |
| CN103059589A (en) * | 2012-12-28 | 2013-04-24 | 中国铁道科学研究院金属及化学研究所 | Emulsified asphalt for ballastless slab track in severe cold region and preparation method thereof |
-
2014
- 2014-12-11 CN CN201410757137.1A patent/CN104448657B/en active Active
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101054470A (en) * | 2007-05-25 | 2007-10-17 | 重庆师范大学 | Emulsification asphalt used for high speed railway or light rail plate type slag-free orbit CA mortar |
| CN102030998A (en) * | 2009-09-28 | 2011-04-27 | 北京东方雨虹防水技术股份有限公司 | Emulsified asphalt for slab ballastless track |
| CN103059589A (en) * | 2012-12-28 | 2013-04-24 | 中国铁道科学研究院金属及化学研究所 | Emulsified asphalt for ballastless slab track in severe cold region and preparation method thereof |
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Effective date of registration: 20180823 Address after: 030100 8 Jia Road, Yangqu County, Taiyuan, Shanxi Applicant after: SHANXI XIYUEFA Co.,Ltd. Address before: 042600 140 thousand Feng Road, wanBerlin District, Taiyuan, Shanxi Applicant before: Qiao Junqing |
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Address after: Building 8, Chengjia Road, Yangqu County, Taiyuan City, Shanxi Province, 030000 Patentee after: Shanxi Xiyuefa Road Construction and Maintenance Group Co.,Ltd. Address before: 030100 8 Jia Road, Yangqu County, Taiyuan, Shanxi Patentee before: SHANXI XIYUEFA Co.,Ltd. |