CN103627192B - A kind of modified pitch and preparation method thereof - Google Patents
A kind of modified pitch and preparation method thereof Download PDFInfo
- Publication number
- CN103627192B CN103627192B CN201310613383.5A CN201310613383A CN103627192B CN 103627192 B CN103627192 B CN 103627192B CN 201310613383 A CN201310613383 A CN 201310613383A CN 103627192 B CN103627192 B CN 103627192B
- Authority
- CN
- China
- Prior art keywords
- parts
- compound emulsifying
- modified pitch
- emulsifying agent
- pitch
- 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.)
- Expired - Fee Related
Links
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Working-Up Tar And Pitch (AREA)
Abstract
The present invention relates to a kind of modified pitch and preparation method thereof, modified pitch comprises following component: basic asphalt, waste Crumb rubber and compound emulsifying agent, and their quality proportioning is: 100 parts of basic asphalts, 10～30 parts of waste Crumb rubbers, 1～8 part of compound emulsifying agent; Compound emulsifying agent comprises coal tar, styrene tar, >450 DEG C catalytic cracked oil pulp and polymer modifiers, the quality proportioning of the each component of compound emulsifying agent is: coal tar: 10～80 parts, styrene tar: 3～10 parts, >450 DEG C of catalytic cracked oil pulp: 30～50 parts, polymer modifiers: 1～10 part. Modified pitch of the present invention selects waste rubber powder as raw material, and additive selects unique compound emulsifying agent and catalytic cracked oil pulp, has improved greatly the character of pitch; In the preparation method of pitch, combine ultrasonic and two kinds of methods of high speed shear, make product modified pitch can meet the standard-required of Ministry of Communications to rubber asphalt.
Description
Technical field
The present invention relates to the preparation field of pitch, especially relate to a kind of modified pitch and preparation method thereof.
Background technology
Along with China's expanding economy, the gradual perfection of railway and highway system, the construction scale of asphalt highway expands gradually,Particularly the continuous increase of high-grade highway construction mileage, in rising trend to the demand of high-quality highway asphalt. ByThere is the performance shortcomings such as cohesive force is poor, ductility is low, paraffin content is high, temperature sensitivity is large in plain asphalt, be difficult at heightOn standard highway, use; Increase sharply because the development of national economy brings the volume of traffic, vehicle capacity significantly increases simultaneouslyAdd and the factor such as China north and south, summer in the winter temperature difference is large, the quality of bituminous paving is had higher requirement. On the other hand,Along with the development of auto industry and the increase of automobile family oriented, the also corresponding increase of junked tire thereupon producing. Exist according to statisticsChina, the consumption nearly 60% of rubber is for the production of tire. According to statistics, China in 2006 produces junked tire 1 × 10Bar, every year, with 15% speed increment, reached 2 × 108 by 2011. Junked tire belongs to solid harmful substance,These rubber are difficult to decompose under field conditions (factors), and have polluted greatly environment. Therefore, how to process these waste and old wheelsTire has become current major issue. How these waste olds are processed into rubber powder and build road for modified pitchBecome one of current hot research problem.
Dry method (Piusride method) and wet method (Mcdonald method) are the conventional methods of preparing rubber asphalt. Dry method beThe modified pitch composite material that adds while stirring waste rubber powder to make in the pitch container of heat, but made by dry methodModified pitch only can meet lower floor and the bottom of laying ordinary highway, and this is because of the reaction time in pitch mixed processShorter caused, and then altered contents in rubber powder can not fully be dissolved in pitch and play a role, so that be unsuitable for systemDo the top layer on road surface; Wet method is that desulfurization rubber powder and activated rubber powder etc. are slowly joined in hot pitch, and limit edged stirs oneThe fixed time makes it to become suspension, and recycling high speed shear machined makes that then rubber modified asphalt is further swelling addsIn compound. In these two kinds of methods, the swelling reaction of rubber powder in pitch is all the key step that improves asphalt performanceSuddenly. But, its surfacing of untreated waste rubber powder, hole that these sizes are different is superficial and do not extend inwards,Hole around a large amount of subtitle substances is attached in hole wall and hole, makes hole wall become smooth and is more flat tabular. This structure pairThe modifying function of pitch is greatly disadvantageous, and it can not make rubber powder granule be dispersed in better in pitch, reaches desirable effectReally.
Summary of the invention
The problem to be solved in the present invention is to provide a kind of waste old that how effectively to utilize and prepares the method for modified pitch, bagDraw together formula of modified pitch and preparation method thereof.
Modified pitch of the present invention comprises following component: basic asphalt, waste Crumb rubber and compound emulsifying agent, their qualityProportioning is: 100 parts of basic asphalts, 10～30 parts of waste Crumb rubbers, 1～8 part of compound emulsifying agent;
Wherein pitch is with in the preferred Liaohe River one of basic asphalt, more preferably Liaohe Oil Field 90# pitch or 70# pitch;
Wherein waste Crumb rubber is from junked tire or other waste or used plastics goods, and order number is 40～100 orders preferably, more preferably 80～100 orders;
Wherein compound emulsifying agent comprise coal tar, styrene tar, > 450 DEG C of catalytic cracked oil pulp and polymer modifiers,Their quality proportioning is:
Coal tar: 10～80 parts
Styrene tar: 3～10 parts
> 450 DEG C of catalytic cracked oil pulps: 30～50 parts
Polymer modifiers: 1～10 part;
Above-mentioned coal tar preferred Chaoyang coal tar or Shenyang, Liaoning coal tar;
The preferred Fushun of above-mentioned styrene tar petro-chemical corporation chemical plant styrene tar,
Above-mentioned > contain catalyst fines in 450 DEG C of catalytic cracked oil pulps, its chief component is molecular sieve catalyst, particle diameter ﹤40 μ m. This part catalyst is deposited in slurry oil in catalytic cracking fractionating tower, to slurry oil in oil refining apparatus furtherApplication brings a lot of impacts.
Should > preparation method of 450 DEG C of oil-catalyst slurries is: catalytic cracked oil pulp is after vacuum distillation, fractionation, and it is heavy to leave standstillFall, obtain 450 DEG C of catalytic cracked oil pulps (containing catalytic cracking catalyst fine powder). Catalyst fines base in this preparation methodOriginally be deposited in 450 DEG C of slurry oils, 450 DEG C of ﹤ still can apply in oil refining apparatus.
Above-mentioned polymer modifiers can be selected SBS and SBR, and their proportioning is: 1:1.
The preparation method of above-mentioned compound emulsifying agent is as follows:
By formula ratio by coal tar, styrene tar (be heated to 200～300 DEG C, remove polymerization after depolymerizing agent), > 450DEG C catalytic cracked oil pulp (containing catalytic cracking catalyst fine powder), polymer modifiers, normal temperature mix and blend 1～4 hour.
This compound emulsifying agent can make rubber powder well swelling in pitch, absorbs the oil content in pitch, makes rubber powder granule moreBe dispersed in pitch well, reach better emulsified state, thus the modifying function of the pitch of realizing ideal.
The preparation method of modified pitch of the present invention is as follows:
In container, add compound emulsifying agent and the rubber powder of proportional quantity, put into Ultrasonic Radiation instrument after heating, frequency is14～100kHz, the sound intensity is 0.1～1.2W/cm2, after radiation certain hour, add after the basic asphalt of proportional quantity in temperatureDegree is high speed shear 20～200min at 120～280 DEG C.
Wherein, high speed shear speed is 6000～8000r/min;
Calibration 28kHz, the preferred 0.408W/cm of the sound intensity2, preferably 200 DEG C of temperature, preferred 120min of time.
After waste rubber powder being processed by Ultrasonic Radiation in above preparation method, its effect makes the surface of rubber powder more fluffyAnd be flocculent structure, and make aperture become large, progressively become slit, and constantly extend inwards and increase its contact area. Due to dropContact area blue or green and shoddy increases, and this better makes light component and the inner combination of shoddy in pitch, gives full play toIts modifying function to pitch.
Advantage and good effect that the present invention has are:
Modified pitch of the present invention selects waste rubber powder as raw material, and additive is selected unique compound emulsifying agent and urgesChange cracking slurry oil, improved greatly the character of pitch; In the preparation method of pitch, combine ultrasonic and high speed shearTwo kinds of methods, make product modified pitch can meet the standard-required of Ministry of Communications to rubber asphalt.
Detailed description of the invention
Embodiment 1
Modified pitch comprises following component: 90# Liaohe River pitch, waste Crumb rubber and compound emulsifying agent, and their quality proportioning is:100 parts of 90# Liaohe River pitches, 15 parts of waste Crumb rubbers, 3 parts of compound emulsifying agents;
Wherein compound emulsifying agent comprise coal tar, styrene tar, > 450 DEG C of catalytic cracked oil pulp and polymer modifiers,Their quality proportioning is:
Chaoyang coal tar: 30 parts
Fushun petro-chemical corporation chemical plant styrene tar: 5 parts
> 450 DEG C of catalytic cracked oil pulps: 35 parts
SBS:3 part
SBR:3 part
The preparation method of above-mentioned compound emulsifying agent is as follows:
Add Chaoyang coal tar, Fushun petro-chemical corporation chemical plant styrene tar (to be heated to 200 DEG C, to take off by proportioningExcept polymerization after depolymerizing agent) and > 450 DEG C of catalytic cracked oil pulps (containing catalytic cracking catalyst fine powder), SBS, SBR, normal temperatureMix and blend 2 hours.
In the 90# Liaohe River, pitch adds proportional quantity waste Crumb rubber, after compound emulsifying agent, puts into Ultrasonic Radiation instrument, frequently after heatingRate is 28kHz, and the sound intensity is 0.408W/cm2, after radiation certain hour, add after the basic asphalt of proportional quantity in temperatureBe that at 200 DEG C, high speed (6500r/min) is sheared 120min.
The performance of this modified pitch is:
Needle penetration (25 DEG C, 100g, 5s), 86.5/10mm; Softening point: 41.6 DEG C; Ductility > 150cm(25 DEG C),This index meets the requirement of No. 90 road asphalts in cold district.
Embodiment 2
Modified pitch comprises following component: 90# Liaohe River pitch, waste Crumb rubber and compound emulsifying agent, and their quality proportioning is:100 parts of 90# Liaohe River pitches, 20 parts of waste Crumb rubbers, 5 parts of compound emulsifying agents;
Wherein compound emulsifying agent comprise coal tar, styrene tar, > 450 DEG C of catalytic cracked oil pulp and polymer modifiers,Their quality proportioning is:
Chaoyang coal tar: 60 parts
Fushun petro-chemical corporation chemical plant styrene tar: 8 parts
> 450 DEG C of catalytic cracked oil pulps: 50 parts
SBS:8 part
SBR:8 part
The preparation method of above-mentioned compound emulsifying agent is as follows:
Add Chaoyang coal tar, Fushun petro-chemical corporation chemical plant styrene tar (to be heated to 280 DEG C, to take off by proportioningExcept polymerization after depolymerizing agent) and > 450 DEG C of catalytic cracked oil pulps (containing catalytic cracking catalyst fine powder), SBS, SBR, normal temperatureMix and blend 3.5 hours.
In the 90# Liaohe River, pitch adds proportional quantity waste Crumb rubber, after compound emulsifying agent, puts into Ultrasonic Radiation instrument, frequently after heatingRate is 50kHz, and the sound intensity is 1.0W/cm2, after radiation certain hour, after adding the basic asphalt of proportional quantity in temperature beAt 250 DEG C, (8000r/min) shears 120min at a high speed.
The performance of this modified pitch is:
Needle penetration (25 DEG C, 100g, 5s), 65.5/10mm; Softening point: 50.5 DEG C; Ductility > 100cm(25 DEG C),This index meets the requirement of No. 90 road asphalts in cold district.
Above embodiments of the invention are had been described in detail, but described content is only preferred embodiment of the present invention, noCan be considered to for limiting practical range of the present invention. All equalization variation and improvement etc. of doing according to the present patent application scope,Within all should still belonging to patent covering scope of the present invention.
Claims (6)
1. a modified pitch, is characterized in that: comprise following component: basic asphalt, waste Crumb rubber and compound emulsifying agent,The quality proportioning of each component is: 100 parts of basic asphalts, and 10～20 parts of waste Crumb rubbers, 3 parts or 5 parts of compound emulsifying agents,Wherein compound emulsifying agent comprise coal tar, styrene tar, > 450 DEG C of catalytic cracked oil pulp and polymer modifiers;
The quality proportioning of the each component of described compound emulsifying agent is: coal tar: 10～80 parts, and styrene tar: 3～10Part, > 450 DEG C of catalytic cracked oil pulps: 30～50 parts, polymer modifiers: 1～10 part.
2. a kind of modified pitch according to claim 1, is characterized in that: described basic asphalt is Liaohe Oil Field 90Pitch or 70# pitch.
3. a kind of modified pitch according to claim 1, is characterized in that: described > in 450 DEG C of catalytic cracked oil pulpsContain catalyst fines, its chief component is molecular sieve catalyst, particle diameter ﹤ 40 μ m.
4. a kind of modified pitch according to claim 1, is characterized in that: described polymer modifiers is SBSAnd SBR, their proportioning is: 1:1.
5. a kind of modified pitch according to claim 1, is characterized in that: the preparation method of described compound emulsifying agentFor: press formula ratio by coal tar, styrene tar, > 450 DEG C of catalytic cracked oil pulps, polymer modifiers, normal temperature mixesStir 1～4 hour, wherein styrene tar is heated to 200～300 DEG C, removes polymerization after depolymerizing agent.
6. the preparation method of modified pitch claimed in claim 1, is characterized in that: in container, add answering of proportional quantityCo-emulsifier and rubber powder, put into Ultrasonic Radiation instrument after heating, frequency is 28～50kHz, and the sound intensity is0.408～1.0W/cm2, after radiation, adding after the basic asphalt of proportional quantity is high speed shear at 200～250 DEG C in temperature120min.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310613383.5A CN103627192B (en) | 2013-11-26 | 2013-11-26 | A kind of modified pitch and preparation method thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201310613383.5A CN103627192B (en) | 2013-11-26 | 2013-11-26 | A kind of modified pitch and preparation method thereof |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN103627192A CN103627192A (en) | 2014-03-12 |
| CN103627192B true CN103627192B (en) | 2016-05-11 |
Family
ID=50208655
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201310613383.5A Expired - Fee Related CN103627192B (en) | 2013-11-26 | 2013-11-26 | A kind of modified pitch and preparation method thereof |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN103627192B (en) |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104479712B (en) * | 2014-11-07 | 2017-02-22 | 中国石油大学(华东) | Method for recycling waste FCC (fluid catalytic cracking) catalyst |
| CN106609144B (en) * | 2015-10-23 | 2018-06-19 | 湖南杰能环保科技有限公司 | A kind of method for cracking treatment for mixing waste organic matter |
| CN106589993A (en) * | 2016-12-19 | 2017-04-26 | 安徽世界村新材料有限公司 | High temperature-resistant and highly-stable waste rubber powder modified waterproof coil asphalt material and preparation method thereof |
| CN108219824A (en) * | 2018-01-16 | 2018-06-29 | 黄河三角洲京博化工研究院有限公司 | A kind of SBS modified pitch cosolvent and preparation method thereof |
| CN112239663B (en) * | 2020-10-19 | 2022-07-08 | 中国石油大学(华东) | Oil-in-water emulsion oil displacement agent based on styrene tar and preparation method and application thereof |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5538994B2 (en) * | 1972-11-14 | 1980-10-07 | ||
| JP3022271B2 (en) * | 1995-09-14 | 2000-03-15 | 敷島紡績株式会社 | Filter cloth for belt press dewatering machine |
| CN1107099C (en) * | 2000-08-18 | 2003-04-30 | 中国石油化工股份有限公司 | Storage stable modified asphalt and its preparing mehtod |
| CN101265363B (en) * | 2007-11-29 | 2010-09-15 | 陕西长大博源公路养护科技有限公司 | Waste and old rubber powder modifying asphalt and preparation method thereof |
| CN102766340A (en) * | 2012-08-13 | 2012-11-07 | 交通运输部公路科学研究所 | Modified biological asphalt material, biological asphalt mixture, preparation method thereof and applications |
-
2013
- 2013-11-26 CN CN201310613383.5A patent/CN103627192B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN103627192A (en) | 2014-03-12 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN103627192B (en) | A kind of modified pitch and preparation method thereof | |
| CN101616997B (en) | Rejuvenating agent and process for recycling of asphalt | |
| CN101831184B (en) | Pitch modified from waste tire rubber powder and preparation method thereof | |
| Ma et al. | Understanding the role of waste cooking oil residue during the preparation of rubber asphalt | |
| CN103305014B (en) | A kind of SBS modifying asphalt and preparation method thereof | |
| WO2009137299A2 (en) | Rosin oil-modified bitumen and the bituminous composition containing thereof | |
| CN101200596B (en) | Powder styrene butadiene rubber polymeric modified asphalt and preparation method thereof | |
| CN105542496A (en) | Non-curing rubber asphalt waterproof material and preparation method thereof | |
| CN102993756A (en) | Low-density polymer modified asphalt waterproof roll material | |
| CN110183869B (en) | Asphalt raw material for asphalt-based waterproof coiled material | |
| CN104693821A (en) | Bituminous mixture using DVS (direct vat set) high-adhesion modifier and preparation method thereof | |
| KR100898393B1 (en) | Regeneration ascon and manufacturing method thereof | |
| CN113462175B (en) | Modified recycled material and application thereof | |
| CN105602264A (en) | Method for producing nanometer high-molecular-polymer compound modification asphalt | |
| EP3249017A1 (en) | A bitumen composition comprising a wax mixture consisting of a petroleum slack wax and a fischer-tropsch wax, the use of the wax mixture in bitumen compositions, the use of the bitumen composition in asphalt compositions, asphalt compositions comprising the bitumen composition and the method of producing asphalt pavements thereof | |
| CN104693823A (en) | Direct-vat type high-adhesion bituminous mixture modifier and preparation method thereof | |
| CN104558732B (en) | A kind of high temperature mix type Crumber rubber modified asphalt enhancer compositions and preparation method thereof | |
| CN107434917B (en) | A kind of Biological asphalt and preparation method thereof | |
| CN111116101A (en) | Method for preparing asphalt mixture by using waste FCC catalyst | |
| CN102250475A (en) | Modified production method of asphalt | |
| CN105985041B (en) | A kind of asphalt mixture additive and preparation method thereof | |
| CN105985655B (en) | A kind of asphalt mixture additive and preparation method thereof using coal directly-liquefied residue preparation | |
| CN105985061B (en) | A kind of asphalt and preparation method thereof | |
| CN103803841B (en) | Tracking-resisting modifier and preparation method thereof | |
| CN105985060B (en) | A kind of asphalt and preparation method thereof prepared using coal directly-liquefied residue |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| C10 | Entry into substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| C14 | Grant of patent or utility model | ||
| GR01 | Patent grant | ||
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20160511 Termination date: 20181126 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |