CN101760031B - Production method of styrene butadiene latex modified emulsified asphalt - Google Patents
Production method of styrene butadiene latex modified emulsified asphalt Download PDFInfo
- Publication number
- CN101760031B CN101760031B CN2009102292836A CN200910229283A CN101760031B CN 101760031 B CN101760031 B CN 101760031B CN 2009102292836 A CN2009102292836 A CN 2009102292836A CN 200910229283 A CN200910229283 A CN 200910229283A CN 101760031 B CN101760031 B CN 101760031B
- Authority
- CN
- China
- Prior art keywords
- butadiene latex
- solution
- styrene butadiene
- emulsified asphalt
- modified emulsified
- 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
- 229920000126 latex Polymers 0.000 title claims abstract description 32
- 239000004816 latex Substances 0.000 title claims abstract description 32
- 239000002174 Styrene-butadiene Substances 0.000 title claims abstract description 30
- 239000010426 asphalt Substances 0.000 title claims abstract description 30
- MTAZNLWOLGHBHU-UHFFFAOYSA-N butadiene-styrene rubber Chemical compound C=CC=C.C=CC1=CC=CC=C1 MTAZNLWOLGHBHU-UHFFFAOYSA-N 0.000 title claims abstract description 30
- 229920003048 styrene butadiene rubber Polymers 0.000 title claims abstract description 30
- 239000011115 styrene butadiene Substances 0.000 title claims abstract description 29
- 238000004519 manufacturing process Methods 0.000 title claims abstract description 13
- 239000000243 solution Substances 0.000 claims abstract description 21
- 238000003756 stirring Methods 0.000 claims abstract description 13
- 239000003995 emulsifying agent Substances 0.000 claims abstract description 10
- 239000007864 aqueous solution Substances 0.000 claims abstract description 9
- 229920002472 Starch Polymers 0.000 claims abstract description 8
- 239000000440 bentonite Substances 0.000 claims abstract description 8
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 8
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 8
- 235000019698 starch Nutrition 0.000 claims abstract description 8
- 239000008107 starch Substances 0.000 claims abstract description 8
- VEXZGXHMUGYJMC-UHFFFAOYSA-N Hydrochloric acid Chemical compound Cl VEXZGXHMUGYJMC-UHFFFAOYSA-N 0.000 claims description 20
- 239000007788 liquid Substances 0.000 claims description 10
- 238000012546 transfer Methods 0.000 claims description 10
- 239000007787 solid Substances 0.000 claims description 8
- 238000010438 heat treatment Methods 0.000 claims description 5
- 239000000084 colloidal system Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 230000001804 emulsifying effect Effects 0.000 description 7
- 238000002360 preparation method Methods 0.000 description 6
- 239000000839 emulsion Substances 0.000 description 5
- 239000000463 material Substances 0.000 description 5
- 229920006173 natural rubber latex Polymers 0.000 description 3
- 238000005303 weighing Methods 0.000 description 3
- KAKZBPTYRLMSJV-UHFFFAOYSA-N Butadiene Chemical group C=CC=C KAKZBPTYRLMSJV-UHFFFAOYSA-N 0.000 description 2
- 230000032683 aging Effects 0.000 description 2
- 229920001971 elastomer Polymers 0.000 description 2
- 239000005038 ethylene vinyl acetate Substances 0.000 description 2
- 239000002245 particle Substances 0.000 description 2
- 229920001200 poly(ethylene-vinyl acetate) Polymers 0.000 description 2
- 239000005060 rubber Substances 0.000 description 2
- 230000035945 sensitivity Effects 0.000 description 2
- PPBRXRYQALVLMV-UHFFFAOYSA-N Styrene Chemical group C=CC1=CC=CC=C1 PPBRXRYQALVLMV-UHFFFAOYSA-N 0.000 description 1
- 230000001070 adhesive effect Effects 0.000 description 1
- 239000012752 auxiliary agent Substances 0.000 description 1
- DQXBYHZEEUGOBF-UHFFFAOYSA-N but-3-enoic acid;ethene Chemical compound C=C.OC(=O)CC=C DQXBYHZEEUGOBF-UHFFFAOYSA-N 0.000 description 1
- 239000003795 chemical substances by application Substances 0.000 description 1
- 238000007334 copolymerization reaction Methods 0.000 description 1
- 238000005336 cracking Methods 0.000 description 1
- 238000009826 distribution Methods 0.000 description 1
- 238000004945 emulsification Methods 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000008020 evaporation Effects 0.000 description 1
- 238000001704 evaporation Methods 0.000 description 1
- 239000003292 glue Substances 0.000 description 1
- 238000005259 measurement Methods 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 230000035515 penetration Effects 0.000 description 1
- 229920001084 poly(chloroprene) Polymers 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 229920000098 polyolefin Polymers 0.000 description 1
- 239000000843 powder Substances 0.000 description 1
- 238000012545 processing Methods 0.000 description 1
- 239000003566 sealing material Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
Abstract
The invention discloses a production method of styrene butadiene latex modified emulsified asphalt. The method comprises the following steps: firstly preparing 1-10wt% of organic bentonite and 0.1-0.5wt% of starch aqueous solution A, secondly preparing 1-6wt% of styrene butadiene latex and 0.2-1.2wt% of emulsifier solution B, using asphalt, the solution A and the solution B in a weight ratio of 1.5:1:1 to shear in a colloid mill for 1-4 minutes, stirring evenly and defoaming to obtain styrene butadiene latex modified emulsified asphalt. The production method of styrene butadiene latex modified emulsified asphalt of the invention is easy and accessible, the low-temperature crack resistance, high temperature stability, resilience and adhesivity to aggregate of the asphalt can be fully increased, namely the softening point, low-temperature ductility, toughness, tenacity and the like of asphalt are increased, and the industrial application prospect is wide.
Description
Technical field
The present invention relates to a kind of production method of modified emulsifying asphalt, relate in particular to a kind of production method of styrene butadiene latex modified emulsified asphalt.
Background technology
Pitch has excellent waterproof property and adhesive property, and aboundresources, and is cheap, therefore is widely used as road-making material, water-proof material and sealing material for a long time.But because the lower and wider distribution of pitch relative molecular mass, its mechanical property is big to temperature sensitivity, and low temperature easily becomes fragile, and high temperature easily trickles, and does not almost have elasticity, and ageing resistance is poor again, is extensive use of so limited bituminous greatly.Adopting macromolecular material that pitch is done the modification processing is the temperature sensitivity that reduces bituminous material, improve softening temperature, reduce embrittlement temperature, improve pitch force of cohesion and elasticity, increase cracking resistance, the effective way of anti-etch ability and aging resistance, the most frequently used material modified Atactic Polypropelene APP, SBS, ethylene-vinyl acetate EVA, butadiene-styrene rubber SBR, waste rubber powder, reclaimed rubber, second third glue, neoprene latex, PVC and the atactic polyolefin APO etc. of mainly containing at present.Wherein to be divinyl and styrene monomer adding different chemical product and auxiliary agent after emulsion copolymerization and the polymer latex made to styrene-butadiene latex; styrene-butadiene latex has good tackiness; because its particle is littler than the particle of natural rubber latex; be used for dipped goods diffustivity excellence; its mechanical stability is better than natural rubber latex; and can with natural rubber latex with any mixed because its good mechanical property, it is widely used in modified emulsifying asphalt.
Summary of the invention
The invention provides a kind of production method with styrene butadiene latex modified emulsified asphalt, products obtained therefrom has overcome the conventional emulsification modifying asphalt and has been difficult for mixing, the problem of accumulating poor stability.
The production method of styrene butadiene latex modified emulsified asphalt of the present invention comprises the steps:
(1) in the aqueous solution that contains 0.1～0.5wt% starch, add 325 purpose organobentonites, make that bentonite content is 1-10wt% in the solution, stir, transfer pH=4～5 with hydrochloric acid, leave standstill after 20 hours solution A;
(2) the bis-quaternary ammonium salt cationic emulsifying agent is water-soluble, the styrene-butadiene latex that adds solid content 40% then, stirring is mixed with the solution that contains emulsifying agent 0.2～1.2wt%, contains styrene-butadiene latex 1～6wt%, hydrochloric acid transfer pH=5～6 post-heating to 55～60 ℃ solution B;
(3) by pitch: solution A: the weight ratio of solution B=1.5: 1: 1 is heated to 100～120 ℃ with pitch, with above-mentioned A liquid, B liquid adds wherein, and 2000～3000 rev/mins rotating speed down cut is after 1～4 minute in colloidal mill, and the froth breaking that stirs promptly gets styrene butadiene latex modified emulsified asphalt.
For making production method of the present invention reach best, contents of starch is 0.3wt% described in the step (1), and bentonite content is 6wt%; Bis-quaternary ammonium salt cationic emulsifying agent molecular formula is [C described in the step (2)
18H
37-N
+H
2-CHOH-CH
2-N
+(CH
3)
3] 2Cl
-, its content is 0.6wt%, the content of described styrene-butadiene latex is 4wt%.
The present invention with styrene-butadiene latex as improving agent, under simple operation, obtained mixing, use and the equal modified emulsifying asphalt very easily of accumulating, fully improved bituminous low-temperature cracking-resistance, high-temperature stability, malleable and with the adhesivity of aggregate, promptly improved bituminous softening temperature, low-temperature ductility, increased bituminous toughness and toughness etc., prospects for commercial application is wide.
Embodiment
Embodiment 1
(1) preparation contains the starch and the 325 purpose bentonite aqueous solution 1000g that contain 6wt% of 0.3wt%, stirs, and transfers pH=4～5 with hydrochloric acid, leaves standstill and gets solution A after 20 hours;
(2) preparation contains the aqueous solution 1000g of styrene-butadiene latex of the solid content 40% of the bis-quaternary ammonium salt cationic emulsifying agent of 0.6wt% and 4wt%, hydrochloric acid transfer pH=5～6 post-heating to 55～60 ℃ solution B;
(3) take by weighing 1500g pitch and be heated to 100～120 ℃, with above-mentioned A liquid, B liquid adds wherein, obtains the bitumen emulsion of solid content 60% in 1-4 minute 2800 rev/mins colloidal mill high speed shear, makes modified emulsifying asphalt behind the froth breaking that stirs.
Embodiment 2
(1) preparation contains 0.1wt% starch and contains 10wt%325 purpose bentonite aqueous solution 1000g, stirs, and transfers pH=4～5 with hydrochloric acid, leaves standstill and gets solution A after 20 hours;
(2) preparation contains the aqueous solution 1000g of styrene-butadiene latex of the solid content 40% of the bis-quaternary ammonium salt cationic emulsifying agent of 0.2wt% and 6wt%, hydrochloric acid transfer pH=5～6 post-heating to 55～60 ℃ solution B;
(3) take by weighing 1500g pitch and be heated to 100～120 ℃, with above-mentioned A liquid, B liquid adds wherein, obtains the bitumen emulsion of solid content 58% in 1-4 minute 2800 rev/mins colloidal mill high speed shear, makes modified emulsifying asphalt behind the froth breaking that stirs.
Embodiment 3
(1) preparation contains 0.5wt% starch and contains 1wt%325 purpose bentonite aqueous solution 1000g, stirs, and transfers pH=4～5 with hydrochloric acid, leaves standstill and gets solution A after 20 hours;
(2) preparation contains the aqueous solution 1000g of styrene-butadiene latex of the solid content 40% of the bis-quaternary ammonium salt cationic emulsifying agent of 1.2wt% and 1wt%, hydrochloric acid transfer pH=5～6 post-heating to 55～60 ℃ solution B;
(3) take by weighing 1500g pitch and be heated to 100～120 ℃, with above-mentioned A liquid, B liquid adds wherein, obtains the bitumen emulsion of solid content 58% in 1-4 minute 2000 rev/mins colloidal mill high speed shear, makes modified emulsifying asphalt behind the froth breaking that stirs.
Measured the viscosity Engler of the obtained styrene butadiene latex modified emulsified asphalt of embodiments of the invention 1-3 respectively, stability, surplus on the sieve, the evaporation of residual properties, result such as table 1:
Table 1 styrene butadiene latex modified emulsified asphalt measurement result
The result shows, use production method gained styrene butadiene latex modified emulsified asphalt of the present invention to make bituminous character that tangible improvement take place, increase along with the latex add-on, the viscosity Engler of modified emulsifying asphalt increases, the emulsion retrogradation, and stability value increases, pitch softening point raises, penetration degree descends, and illustrates that the bituminous high-temperature stability improves, and the bituminous low-temperature ductility increases greatly.
Claims (3)
1. the production method of styrene butadiene latex modified emulsified asphalt is characterized in that comprising the steps:
(1) in the aqueous solution that contains 0.1～0.5wt% starch, add 325 purpose organobentonites, make that bentonite content is 1-10wt% in the solution, stir, transfer pH=4～5 with hydrochloric acid, leave standstill after 20 hours solution A;
(2) the bis-quaternary ammonium salt cationic emulsifying agent is water-soluble, the styrene-butadiene latex that adds solid content 40% then, stirring is mixed with the solution that contains emulsifying agent 0.2～1.2wt%, contains styrene-butadiene latex 1～6wt%, hydrochloric acid transfer pH=5～6 post-heating to 55～60 ℃ solution B;
(3) by pitch: solution A: the weight ratio of solution B=1.5: 1: 1 is heated to 100～120 ℃ with pitch, again with above-mentioned A liquid, B liquid adds wherein, and 2000～3000 rev/mins rotating speed down cut is after 1～4 minute in colloidal mill, and the froth breaking that stirs promptly gets styrene butadiene latex modified emulsified asphalt.
2. according to the production method of the described styrene butadiene latex modified emulsified asphalt of claim 1, it is characterized in that contents of starch is 0.3wt% described in the step (1), bentonite content is 6wt%.
3. according to the production method of the described styrene butadiene latex modified emulsified asphalt of claim 1, it is characterized in that bis-quaternary ammonium salt cationic emulsifying agent molecular formula described in the step (2) is [C
18H
37-N
+H
2-CHOH-CH
2-N
+(CH
3)
3] 2Cl
-, its content is 0.6wt%, the content of described styrene-butadiene latex is 4wt%.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102292836A CN101760031B (en) | 2009-10-27 | 2009-10-27 | Production method of styrene butadiene latex modified emulsified asphalt |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN2009102292836A CN101760031B (en) | 2009-10-27 | 2009-10-27 | Production method of styrene butadiene latex modified emulsified asphalt |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN101760031A CN101760031A (en) | 2010-06-30 |
| CN101760031B true CN101760031B (en) | 2011-09-21 |
Family
ID=42491416
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN2009102292836A Expired - Fee Related CN101760031B (en) | 2009-10-27 | 2009-10-27 | Production method of styrene butadiene latex modified emulsified asphalt |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN101760031B (en) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN102382479A (en) * | 2010-08-27 | 2012-03-21 | 安徽三缔沥青材料有限公司 | Star-shaped modified emulsified asphalt and preparation method of same |
| US20140356526A1 (en) * | 2013-05-28 | 2014-12-04 | Invia Pavement Technologies, LLC | Composition and method for roads, parking lots, and driving surfaces |
| CN103709259B (en) * | 2013-12-24 | 2015-09-30 | 武汉理工大学 | Acid modified starch positively charged ion splits the preparation method of slow-curing asphalt emulsifying agent slowly |
-
2009
- 2009-10-27 CN CN2009102292836A patent/CN101760031B/en not_active Expired - Fee Related
Also Published As
| Publication number | Publication date |
|---|---|
| CN101760031A (en) | 2010-06-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN102660125B (en) | Preparation method of waste rubber modified emulsified asphalt | |
| CN103555204B (en) | Thick matter waterproof paint of modified-high polymer water-latex type asphaltic base and preparation method thereof | |
| CN100595234C (en) | Bitumen compositions and preparation method thereof | |
| CA2797305C (en) | Rubber asphalt and preparation method thereof | |
| CN103387749B (en) | A kind of vegetable oil type bitumen regenerant and preparation method | |
| CN102532920A (en) | Warm mixed asphalt cement and preparation method thereof | |
| CA2556765A1 (en) | Method for producing bituminous compositions | |
| CN103044938B (en) | Coal asphalt/SBS (Styrene Butadiene Styrene)/waste colloid powder composite modified asphalt and preparation method thereof | |
| CN105315471A (en) | Emulsified SBS modified asphalt and reparation method thereof, waterproof coating and reparation method thereof | |
| CN101348598A (en) | Thermoplastic butadiene styrene rubber aqueous rubber latex asphalt modifying agent and preparation thereof | |
| CN111286209B (en) | SBS high-viscosity modified emulsified asphalt material and preparation process thereof | |
| CN101760031B (en) | Production method of styrene butadiene latex modified emulsified asphalt | |
| CN104556888A (en) | Asphalt mixture and preparation method thereof | |
| CN107216808A (en) | A kind of bridge asphalt waterproofing paint and preparation method thereof | |
| CN107082592A (en) | Carboxy-modified graphene oxide modified rubber asphalt mixture and preparation method thereof | |
| CN102816524A (en) | Bentonite waterproof paint and production method thereof | |
| CN103911009B (en) | Emulsified rubber powder-modified asphalt and preparation method thereof | |
| CN102558886B (en) | High-concentration crumb rubber modified asphalt and preparation method thereof | |
| CN113604064B (en) | Stabilizer application for improving film tearing performance of non-tire waterproof coiled material | |
| CN110878174A (en) | Emulsified asphalt for non-stick wheel and preparation method thereof | |
| CN1743381A (en) | Organic bentonite composition modified emulsified asphalt and its preparing method | |
| CN103804929B (en) | A kind of modified asphalt composite and preparation method thereof | |
| CN103804925B (en) | A kind of modifying asphalt and preparation method thereof | |
| CN106009739A (en) | Modified emulsified asphalt for ultrathin wearing layers and preparation method thereof | |
| CN102604180A (en) | High-concentration modifying rubber powder and preparation method thereof |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | 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 | ||
| ASS | Succession or assignment of patent right |
Owner name: JINAN LIANXING PETROCHEIMCAL CO., LTD. Free format text: FORMER OWNER: XINGHUO SCI. + TECH. RESEARCH INST., JINAN DEV. ZONE Effective date: 20130107 |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| COR | Change of bibliographic data |
Free format text: CORRECT: ADDRESS; FROM: 250101 JINAN, SHANDONG PROVINCE TO: 251400 JINAN, SHANDONG PROVINCE |
|
| TR01 | Transfer of patent right |
Effective date of registration: 20130107 Address after: The Industrial Development Zone of Jiyang County of Ji'nan City, Shandong province 251400 Patentee after: JINAN LIANXING PETROCHEMICAL CO., LTD. Address before: 250101 Shandong city of Ji'nan province high tech Zone (Licheng District) Xinluo Avenue No. 786 Patentee before: Xinghuo Sci. & Tech. Research Inst., Jinan Dev. Zone |
|
| C41 | Transfer of patent application or patent right or utility model | ||
| CB03 | Change of inventor or designer information |
Inventor after: Xiong Wei Inventor before: Che Chunling |
|
| COR | Change of bibliographic data | ||
| TR01 | Transfer of patent right |
Effective date of registration: 20151210 Address after: 231602, Anhui, Hefei province Feidong County town Patentee after: Hefei BAOYING Materials Co., Ltd. Address before: The Industrial Development Zone of Jiyang County of Ji'nan City, Shandong province 251400 Patentee before: JINAN LIANXING PETROCHEMICAL CO., LTD. |
|
| CF01 | Termination of patent right due to non-payment of annual fee |
Granted publication date: 20110921 Termination date: 20171027 |
|
| CF01 | Termination of patent right due to non-payment of annual fee |