CN106519567B - A kind of preparation method of shape memory epoxy resin particle - Google Patents
A kind of preparation method of shape memory epoxy resin particle Download PDFInfo
- Publication number
- CN106519567B CN106519567B CN201610901196.0A CN201610901196A CN106519567B CN 106519567 B CN106519567 B CN 106519567B CN 201610901196 A CN201610901196 A CN 201610901196A CN 106519567 B CN106519567 B CN 106519567B
- Authority
- CN
- China
- Prior art keywords
- epoxy resin
- shape memory
- dissolved
- water
- stirred
- 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.)
- Active
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
-
- 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
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/12—Shape memory
-
- 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
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)
- Epoxy Resins (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of bituminous pavement shape memory epoxy resin particles and preparation method thereof, the following steps are included: in setting material percentage composition AL-3040:PPGDGE:IPDA=(4~19): the ratio of 1:0.5 weighs hydrogenated epoxy resin, toughener, curing agent, and weighs 8~12% emulsifiers；AL-3040 and PPGDGE are dissolved each other, 60~180s is stirred to react at 50~70 DEG C and obtains oily phase；Emulsifier is dissolved in distilled water, 30~90s is stirred to react at 50~70 DEG C and obtains water phase；Water phase and oil are mutually dissolved each other, obtain oil-in-water emulsion in 50~70 DEG C of emulsified 60~150s；IPDA is dissolved in distilled water, 30~90s is stirred at 30~60 DEG C and obtains IPDA aqueous solution；IPDA aqueous solution is instilled in oil-in-water emulsion, 1~4h is stirred at 50~70 DEG C, obtains shape memory epoxy resin particle after filtering moisture.The result shows that prepared by the present invention, speed is fast, and reaction condition is mild, low to reaction monomers purity requirement, is mixed the elastic recovery that pitch can be effectively improved in pitch.
Description
Technical field:
The invention belongs to polymer particulate material preparation technical fields, and in particular to a kind of shape memory epoxy resin particle
Preparation method.
Background technique:
Asphalt is a kind of typical responsive to temperature type material, and high temperature track, cold cracking etc. draw because of environment temperature
The disease risen is always to perplex the main problem of domestic and international road engineering circle.The appearance of track seriously reduces surface layer and road surface knot
The integral strength of structure, rainy day Pavement surface drainage is unsmooth, or even since track ponding causes vehicle drift to be slided, influences the safety of high speed traveling
Property；Cracks of Bituminous Pavement at Low-temperature can cause pavement structure depression of bearing force, cause road surface that check crack and pit slot occurs, seriously affect vehicle
Ride quality, hence it is evident that shorten the service life on road surface.
For diseases such as the high temperature track and the cold crackings that can effectively solve the problem that bituminous pavement, domestic and foreign scholars are mixed for pitch
The high-temperature stability and cold cracking for closing material have carried out numerous studies.Studies in China worker has carried out wheel tracking test, creep examination
It tests, circular track test and load accelerated test etc., proposes road asphalt pavement performance Study on Climate Division, have studied the vehicle of bituminous pavement
Rut prediction model establishes the prediction model and pavement structure behavior equation of pavement temperature field；Foreign study worker has studied
The classification of asphalt material weather, and the list of ground surface material has been carried out for representative with U.S. AASHTO " mechanics-Experience Design guide "
The experimental studies high temperature track such as axis, three axis, shearing, static load, dynamic load, reloading.At the same time, domestic and international researcher to by
The research of cold cracking problem expansion is mainly crack resistance at low-temperature evaluation, mixture cryogenic property improves and cold performance test
These three aspects of method.Although these research contents play certain positive effect, but high temperature track, the low temperature of bituminous pavement
The diseases such as cracking are still generally existing, are always the direction that numerous research workers endeavour exploratory development.
Summary of the invention:
The purpose of the present invention is to provide a kind of preparation method of shape memory epoxy resin particle, the shape memory epoxies
Resin particle is capable of the stimulation of sense temperature, and responds this variation, is adjusted to its mechanics parameter, so that it is pre- to be returned to its
The state first set.Shape memory epoxy resin particle is applied in asphalt, when bituminous pavement temperature is higher than its glass
When glass transition temperature, particle is in rubbery state, after vehicular load disappears, band when being returned to reset condition by pressured state
Gathering materials around dynamic, to slow down the accumulation of deformation.The transfer of shapes temperature of shape memory epoxy resin particle is not high, and can
Transition temperature is adjusted by changing its chemical analysis and the degree of cross linking.Bituminous pavement with different temperatures can be chosen properly
Shape memory epoxy resin particle.Reaction speed is fast during the preparation process for it, mild condition, it is of less demanding to monomer purity and
Stable reaction is irreversible.
In order to achieve the above objectives, the present invention adopts the following technical scheme that:
A kind of preparation method of shape memory epoxy resin particle, comprising the following steps:
1) be (4~19) by molar ratio: 1 hydrogenated epoxy resin dissolves each other with toughener, is stirred to react at 50~70 DEG C
Emulsifier is dissolved in distilled water by 60~180s, is stirred to react 30~90s at 50~70 DEG C, wherein hydrogenated epoxy resin with
The liquid that toughener dissolves each other is oily phase, and it is water phase that emulsifier, which is dissolved in liquid obtained in distilled water,；
2) water phase and oil are mutually dissolved each other, in 50~70 DEG C of emulsified 60~150s, stable oil-in-water emulsion is made；
3) curing agent is dissolved in distilled water, 30~90s is stirred at 30~60 DEG C, aqueous solution of curing agent is made；
4) aqueous solution of curing agent made from step 3) is instilled dropwise in oil-in-water emulsion made from step 2), 50~
1~4h is stirred at 70 DEG C, is obtained molding epoxy particles, is then filtered moisture, obtains shape memory epoxy resin particle.
A further improvement of the present invention lies in that hydrogenated epoxy resin is weathe resistance epoxy resin in step 1), the trade mark is
AL-3040, toughener are polypropylene glycol diglycidyl ether, and abbreviation PPGDGE, molecular weight 2500, emulsifier is Arab
Gum powder.
A further improvement of the present invention lies in that the emulsifier quality that water phase is added in step 2) is hydrogenated epoxy resin and increases
The 8%~12% of tough dose of gross mass.
A further improvement of the present invention lies in that the curing agent in step 3) is isophorone diamine.
A further improvement of the present invention lies in that in step 4), when shape memory epoxy resin particle with the following method into
It is capable: solution made from step 4) filter into moisture using vacuum filter, finally it is dried in vacuo 2 at 40~80 DEG C~
4h。
A further improvement of the present invention lies in that curing agent is to be instilled by dropping funel equipped with emulsion in step 4)
In three-necked flask, wherein three-necked flask is placed in constant water bath box and is kept the temperature.
A further improvement of the present invention lies in that filtering moisture using vacuum filtration bottle in step 4).
Compared with prior art, there is following technology special using shape memory epoxy resin particle prepared by interface polycondensation reaction
Point:
1) shape memory epoxy resin particle of the invention is easy to form, and reaction speed is fast, and reaction condition is mild,
It can be reacted at room temperature.
2) shape memory epoxy resin particle of the invention is not high to the purity requirement of reaction monomers, and single to two kinds of reactions
The raw material proportioning requirement of body is not also tight, therefore shape memory epoxy resin obtained is particle stabilized.
3) shape memory epoxy resin particle of the invention can be by changing between hydrogenated epoxy resin and toughener
The molecular weight glass transition temperature more different than obtaining, and tool can be applied it to after knowing the glass transition temperature of material
In the bituminous pavement for having different pavement temperatures.
4) shape memory epoxy resin particle of the invention is incorporated into pitch, increases the elastic recovery of pitch significantly
Performance.
Detailed description of the invention:
Fig. 1-Fig. 4 is that the DSC of shape memory epoxy resin particle produced by the present invention schemes.
Fig. 5 is that the FT-IR of shape memory epoxy resin particle produced by the present invention schemes.
Fig. 6-Fig. 9 is that the FT-IR of shape memory epoxy resin particle produced by the present invention schemes.
Figure 10 is that shape memory epoxy resin particle produced by the present invention mixes in pitch, and the elastic recovery of pitch mentions
Lift degree figure.
Specific embodiment:
Particular content of the invention is described in further detail in the following with reference to the drawings and specific embodiments.
Embodiment 1
After AL-3040 is mixed in beaker with PPGDGE 50 DEG C at a temperature of preheat 90s, obtain oily phase, wherein AL-
The molar ratio of 3040 and PPGDGE is 19:1, weighs 9% gum arabic powder that quality is AL-3040 and PPGDGE gross mass
In beaker, appropriate distilled water is added, preheats 95s under conditions of 50 DEG C, obtains water phase, water phase and oil are mixed, use number
Aobvious high-shear homogenizer emulsifies 60s with the revolving speed of 4000r/min, and curing agent is instilled in beaker, and appropriate distilled water is added, and stirring is equal
It is even, the three-necked flask with dropping funel is mounted in the stirring setting of water-bath incubator, emulsion is moved into three-necked flask
In, aqueous solution of curing agent is moved into dropping funel, the inorganic speed-adjustable stir device of digital display DC is opened, is stirred with the revolving speed of 500r/min
The emulsion in three-necked flask is mixed, while aqueous solution of curing agent is instilled with 1 drop/s rate by three-necked flask by dropping funel
In；It stirs 1h and molding epoxy particles bottle,suction is filtered into moisture, obtain shape memory epoxy resin particle, glass
Changing transition temperature is 47.5 DEG C, compared to the pitch that do not mix, mixes the asphalt elasticity recoverability of shape memory epoxy resin particle
Improve 22.15%.Wherein, curing agent is isophorone diamine, referred to as IPDA, belongs to a kind of normal temperature cure agent, and solidify
The dosage of agent is determined according under conditions of the quantitative responses such as reactive hydrogen in the epoxy group and curing agent in hydrogenated epoxy resin
, as 0.5mol.
Embodiment 2
After AL-3040 is mixed in beaker with 0.01PPGDGE 60 DEG C at a temperature of preheat 100s, obtain oily phase,
The molar ratio of middle AL-3040 and PPGDGE is 9:1, weighs 9.5% Arab that quality is AL-3040 and PPGDGE gross mass
Appropriate distilled water is added in beaker in gum powder, preheats 100s under conditions of 60 DEG C, obtains water phase, and water phase is mutually mixed with oily
It closes, 65s is emulsified with the revolving speed of 5000r/min with digital display high-shear homogenizer, curing agent is instilled in beaker, appropriate distillation is added
Water stirs evenly, and the three-necked flask with dropping funel is mounted in the stirring setting of water-bath incubator, emulsion is moved into
In three-necked flask, aqueous solution of curing agent is moved into dropping funel, the inorganic speed-adjustable stir device of digital display DC is opened, with 600r/min
Revolving speed stirring three-necked flask in emulsion, while by dropping funel by aqueous solution of curing agent with 1 drop/s rate instillation
In three-necked flask；It stirs 2h and molding epoxy particles bottle,suction is filtered into moisture, obtain shape memory epoxy resin
Grain, glass transition temperature are 30 DEG C, and compared to the pitch that do not mix, the asphalt elasticity for mixing shape memory epoxy resin particle is returned
Renaturation can improve 25.12%.Wherein, curing agent is isophorone diamine, referred to as IPDA, belongs to a kind of normal temperature cure agent,
And the dosage of curing agent is the condition according to quantitative responses such as reactive hydrogens in the epoxy group and curing agent in hydrogenated epoxy resin
Lower determination, as 0.5mol.
Embodiment 3
After AL-3040 is mixed in beaker with PPGDGE 65 DEG C at a temperature of preheat 2min, obtain oily phase, wherein
The molar ratio of AL-3040 and PPGDGE is 5.7:1, weighs the Arabic tree of 8% that quality is AL-3040 and PPGDGE gross mass
Appropriate distilled water is added in beaker in rubber powder, preheats 120s under conditions of 60 DEG C, obtains water phase, water phase and oil are mixed,
70s is emulsified with the revolving speed of 6000r/min with digital display high-shear homogenizer, curing agent is instilled in beaker, appropriate distilled water is added, stirs
It mixes uniformly, the three-necked flask with dropping funel is mounted in the stirring setting of water-bath incubator, emulsion is moved into three mouthfuls
In flask, aqueous solution of curing agent is moved into dropping funel, opens the inorganic speed-adjustable stir device of digital display DC, with turning for 700r/min
Emulsion in speed stirring three-necked flask, while aqueous solution of curing agent is instilled three mouthfuls with 1 drop/s rate by dropping funel
In flask；It stirs 3h and molding epoxy particles bottle,suction is filtered into moisture, obtain shape memory epoxy resin particle,
Glass transition temperature is 20 DEG C, compared to the pitch that do not mix, mixes the asphalt elasticity recovery of shape memory epoxy resin particle
22.23% can be improved.Wherein, curing agent is isophorone diamine, referred to as IPDA, belongs to a kind of normal temperature cure agent, and solid
The dosage of agent be according under conditions of the quantitative responses such as reactive hydrogen in the epoxy group and curing agent in hydrogenated epoxy resin really
Fixed, as 0.5mol.
Embodiment 4
After AL-3040 is mixed in beaker with PPGDGE 70 DEG C at a temperature of preheat 160s, obtain oily phase, wherein
The molar ratio of AL-3040 and PPGDGE is 4:1, weighs the Arabic tree of 10% that quality is AL-3040 and PPGDGE gross mass
Appropriate distilled water is added in beaker in rubber powder, preheats 160s under conditions of 70 DEG C, obtains water phase, water phase and oil are mixed,
60s is emulsified with the revolving speed of 7000r/min with digital display high-shear homogenizer, curing agent is instilled in beaker, appropriate distilled water is added, stirs
It mixes uniformly, the three-necked flask with dropping funel is mounted in the stirring setting of water-bath incubator, emulsion is moved into three mouthfuls
In flask, aqueous solution of curing agent is moved into dropping funel, opens the inorganic speed-adjustable stir device of digital display DC, with turning for 800r/min
Emulsion in speed stirring three-necked flask, while aqueous solution of curing agent is instilled three mouthfuls with 1 drop/s rate by dropping funel
In flask；It stirs 4h and molding epoxy particles bottle,suction is filtered into moisture, obtain shape memory epoxy resin particle,
Glass transition temperature is 10 DEG C, compared to the pitch that do not mix, mixes the asphalt elasticity recovery of shape memory epoxy resin particle
19.8% can be improved.Wherein, curing agent is isophorone diamine, referred to as IPDA, belongs to a kind of normal temperature cure agent, and solidify
The dosage of agent is determined according under conditions of the quantitative responses such as reactive hydrogen in the epoxy group and curing agent in hydrogenated epoxy resin
, as 0.5mol.
As shown in Fig. 1 to 10, Fig. 1 to Fig. 4 is shape memory epoxy resin obtained under the conditions of 1-embodiment of embodiment 4
The DSC of particle schemes；Wherein, used differential scanning calorimeter (DSC) is Germany NETZSCH cph60DSC200F3 type differential
Scan calorimeter.Pass through the glass transition temperature of the available shape memory epoxy resin particle of glass transition temperature in figure
Degree, AL-3040 is different from the formula of PPGDGE, and obtained glass transition temperature is also different, and with PPGDGE content
Increase, the glass transition temperature of the shape memory epoxy resin particle of invention reduces.Fig. 5 is 1-embodiment of embodiment, 4 condition
Infrared spectrogram (FT-IR) figure of lower shape memory epoxy resin particle obtained；Wherein, used infrared spectrometer is moral
State Bruker company's T ensor II.387 type infrared spectrometer.It can be seen that the shape memory epoxy resin particle of preparation in figure
In 910cm-1Neighbouring peak vanishes illustrate that the shape memory epoxy resin particle of invention is complete in respective condition of cure
All solidstate.Fig. 6-Fig. 9 is the scanning electron microscope of shape memory epoxy resin particle obtained under the conditions of 1-embodiment of embodiment 4
(SEM) figure；Wherein, used scanning electron microscope is Jeol Ltd. JSM-7200F type scanning electron microscope.It can be with from figure
Find out that the shape of shape memory epoxy resin particle produced by the present invention is more uniform, most of is the circle of standard.Figure 10 is
Shape memory epoxy resin particle obtained is to the promotion degree of asphalt elasticity recoverability under the conditions of 1-embodiment of embodiment 4,
What abscissa indicated is sample specimens number (being respectively 1-4 from embodiment 1- embodiment 4), and what ordinate indicated is to pitch bullet
The improvement (unit %) of property recoverability.It can be seen that shape memory epoxy resin particle pair produced by the present invention
The elastic recovery of pitch has significant improvement, and the shape memory epoxy resin particle of different formulations is to pitch bullet
The improvement of property recoverability is different.
Claims (5)
1. a kind of preparation method of shape memory epoxy resin particle, which comprises the following steps:
1) be (4~19) by molar ratio: 1 hydrogenated epoxy resin dissolves each other with toughener, it is stirred to react 60 at 50~70 DEG C~
Emulsifier is dissolved in distilled water by 180s, is stirred to react 30~90s at 50~70 DEG C, wherein hydrogenated epoxy resin and toughening
The liquid that agent is dissolved each other is oily phase, and it is water phase that emulsifier, which is dissolved in liquid obtained in distilled water,；
2) water phase and oil are mutually dissolved each other, in 50~70 DEG C of emulsified 60~150s, stable oil-in-water emulsion is made；
3) curing agent is dissolved in distilled water, 30~90s is stirred at 30~60 DEG C, aqueous solution of curing agent is made；
4) aqueous solution of curing agent made from step 3) is instilled dropwise in oil-in-water emulsion made from step 2), at 50~70 DEG C
1~4h of lower stirring, obtains molding epoxy particles, and bottle is then filtered by vacuum and filters moisture, obtains shape memory asphalt mixtures modified by epoxy resin
Rouge particle, wherein aqueous solution of curing agent is instilled in the three-necked flask equipped with emulsion by dropping funel, and three-necked flask is put
It is placed in constant water bath box and is kept the temperature.
2. a kind of preparation method of epoxy particles according to claim 1, which is characterized in that in step 1), hydrogenation
Epoxy resin is weathe resistance epoxy resin, and trade mark AL-3040, toughener is polypropylene glycol diglycidyl ether, referred to as
PPGDGE, molecular weight 2500, emulsifier are gum arabic powder.
3. a kind of method for preparing epoxy particles according to claim 1, which is characterized in that water phase adds in step 2)
The emulsifier quality added is the 8%~12% of hydrogenated epoxy resin and toughener gross mass.
4. a kind of method for preparing epoxy particles according to claim 1, which is characterized in that the solidification in step 3)
Agent is isophorone diamine.
5. a kind of method for preparing epoxy particles according to claim 1, which is characterized in that in step 4), shape
Memory epoxy particles obtain with the following method: after obtaining molding epoxy particles, first with vacuum filtration
Bottle has filtered moisture, and 2~4h is finally dried in vacuo at 40~80 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610901196.0A CN106519567B (en) | 2016-10-17 | 2016-10-17 | A kind of preparation method of shape memory epoxy resin particle |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201610901196.0A CN106519567B (en) | 2016-10-17 | 2016-10-17 | A kind of preparation method of shape memory epoxy resin particle |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN106519567A CN106519567A (en) | 2017-03-22 |
| CN106519567B true CN106519567B (en) | 2018-12-04 |
Family
ID=58332188
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201610901196.0A Active CN106519567B (en) | 2016-10-17 | 2016-10-17 | A kind of preparation method of shape memory epoxy resin particle |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN106519567B (en) |
Families Citing this family (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN107418233B (en) * | 2017-08-23 | 2019-12-06 | 南京林业大学 | modification method for improving shape memory performance of emulsified asphalt for fog sealing layer |
| CN107353657A (en) * | 2017-08-25 | 2017-11-17 | 南京林业大学 | A kind of method of modifying for improving pitch shape-memory properties |
| CN108047653A (en) * | 2017-12-21 | 2018-05-18 | 河南省科学院化学研究所有限公司 | A kind of Toughening Modification of Epoxy micro-sphere material |
| CN108129605A (en) * | 2017-12-21 | 2018-06-08 | 河南省科学院化学研究所有限公司 | A kind of impact resistance epoxide resin microballoon material |
| CN108164657B (en) * | 2018-01-15 | 2020-05-01 | 河南省科学院化学研究所有限公司 | Shape memory epoxy foam |
| CN108947330A (en) * | 2018-08-02 | 2018-12-07 | 西安邮电大学 | A kind of shape memory epoxy resin modified asphalt mixture and preparation method thereof |
| CN109233205A (en) * | 2018-08-31 | 2019-01-18 | 王雪峰 | A kind of preparation method of triple shape memory epoxy resin composite materials |
| CN116178975A (en) * | 2023-03-10 | 2023-05-30 | 南京林业大学 | Preparation method of hydrogenated epoxy resin modified emulsified asphalt |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP2006199904A (en) * | 2004-03-11 | 2006-08-03 | Sanyo Chem Ind Ltd | Method for producing heat expansible microcapsule and method for producing hollow resin particle |
| CN100528959C (en) * | 2007-03-29 | 2009-08-19 | 苏州大学 | Production of micron-solid epoxy-resin microsphere containing surface active group |
| CN101100545B (en) * | 2007-06-29 | 2010-08-04 | 哈尔滨工业大学 | Shape memory epoxy resin system |
| CN101560286B (en) * | 2007-10-04 | 2013-11-06 | 通用汽车环球科技运作公司 | Epoxide polymer of shape memory |
| CN103554838A (en) * | 2013-11-05 | 2014-02-05 | 东莞市杰乐盛世运动用品有限公司 | Epoxy resin with shape memory property and preparation method thereof |
-
2016
- 2016-10-17 CN CN201610901196.0A patent/CN106519567B/en active Active
Also Published As
| Publication number | Publication date |
|---|---|
| CN106519567A (en) | 2017-03-22 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN106519567B (en) | A kind of preparation method of shape memory epoxy resin particle | |
| Zhao et al. | Effects of waterborne polyurethane on storage stability, rheological properties, and VOCs emission of crumb rubber modified asphalt | |
| ES2590257T3 (en) | Procedure to produce bituminous compositions | |
| CN100355834C (en) | SBS modified emulsifying asphalt and preparation process thereof | |
| CN107118578B (en) | A kind of storable high-modulus bitumen cementitious matter prepares and application process | |
| CN112500711B (en) | High-viscoelasticity modified asphalt and preparation method thereof | |
| CN101235209A (en) | Asphalt pavement conditioning curing agent and preparation method thereof | |
| Shao et al. | Analysis of the chemical properties and high-temperature rheological properties of MDI modified bio-asphalt | |
| CN106883624A (en) | Suitable for the high-viscosity modified asphalt formula and its modified technique of porous asphalt pavement | |
| CN102604368B (en) | NCO replaced crosslinking cured joint filling material for concrete pavement | |
| CN102417736A (en) | Waste rubber powder modified asphalt and preparation method thereof | |
| CN110196318A (en) | A method of detection cement-emulsified asphalt and Bituminous concrete surface degrees of fusion | |
| CN109180071B (en) | High-performance cold-mix mixture for road surface layer and preparation method thereof | |
| CN103508702B (en) | A kind of Cold-mix phase change type asphalt mixture for thermal energy storage | |
| CN111303646A (en) | Modified asphalt capable of realizing self-temperature adjustment based on phase change microcapsules | |
| CN106336673B (en) | A kind of bio oil compounding nano diatomite modified pitch and preparation method thereof | |
| CN109294255A (en) | A kind of high-viscosity high-elasticity modified pitch and preparation method thereof | |
| CN108587378A (en) | A kind of impregnating with silane agent and preparation method thereof | |
| CN111170678A (en) | Pouring type concrete with polyurethane as binder and preparation method thereof | |
| CN114685088A (en) | Preparation method of composite phase change microcapsule for road | |
| CN112159144B (en) | Permeable microcapsule for asphalt concrete pavement and preparation method thereof | |
| CN106543383B (en) | A kind of poly- silicon of water-soluble nano/polymer gel oil displacement agent and preparation method thereof | |
| CN107140898A (en) | A kind of warm mix SBS modified asphalt mixtures and preparation method thereof | |
| CN106883595A (en) | Road surface polyurethane binder and its preparation method and application | |
| CN107163599B (en) | A kind of preparation method of road and bridge coiled material modified pitch |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| C06 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| CB03 | Change of inventor or designer information | ||
| CB03 | Change of inventor or designer information |
Inventor after: Ma Biao Inventor after: Zhou Xueyan Inventor after: Wei Kun Inventor after: Huang Xiaofeng Inventor after: Bao Yanzhen Inventor after: Duan Shiyu Inventor after: Li Rui Inventor before: Zhou Xueyan Inventor before: Ma Biao Inventor before: Wei Kun Inventor before: Huang Xiaofeng Inventor before: Bao Yanzhen Inventor before: Duan Shiyu Inventor before: Li Rui |
|
| GR01 | Patent grant | ||
| GR01 | Patent grant |