CN108530923A - A kind of high-temperature stability pitch - Google Patents
A kind of high-temperature stability pitch Download PDFInfo
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- CN108530923A CN108530923A CN201810399593.1A CN201810399593A CN108530923A CN 108530923 A CN108530923 A CN 108530923A CN 201810399593 A CN201810399593 A CN 201810399593A CN 108530923 A CN108530923 A CN 108530923A
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- parts
- pitch
- temperature stability
- cyclodextrin
- dispersing aid
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- 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
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J3/00—Processes of treating or compounding macromolecular substances
- C08J3/24—Crosslinking, e.g. vulcanising, of macromolecules
- C08J3/246—Intercrosslinking of at least two polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2395/00—Bituminous materials, e.g. asphalt, tar or pitch
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
- C08J2453/00—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers
- C08J2453/02—Characterised by the use of block copolymers containing at least one sequence of a polymer obtained by reactions only involving carbon-to-carbon unsaturated bonds; Derivatives of such polymers of vinyl aromatic monomers and conjugated dienes
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/08—Stabilised against heat, light or radiation or oxydation
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- 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
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- 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
- C08L2205/08—Polymer mixtures characterised by other features containing additives to improve the compatibility between two polymers
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2312/00—Crosslinking
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The present invention provides a kind of high-temperature stability pitches, include the raw material of following mass fraction：Matrix pitch：91 96 parts, SBS thermoplastic elastomer (TPE)s：25 parts, dispersing aid：12 parts, cyclodextrin：0.5 1.2 parts, redox initiator：0.4 0.8 parts, grafting catalysts：0.1 0.3 parts；The dispersing aid is made of alkaline organic and ester-based organic compound.Present invention aims at cyclodextrin is added as graft materials/crosslinking agent, improve the consistency problem of SBS and matrix pitch, the pitch of production has excellent high and low temperature stability and ageing-resistant performance.
Description
Technical field
The present invention relates to pitch processing technique fields, and in particular to a kind of high-temperature stability pitch.
Background technology
The dark brown complex mixture that pitch is made of the hydrocarbon and its non metallic derivatives of different molecular weight,
It is one kind of high viscosity organic liquid, is in a liquid state, surface is in black, dissolves in carbon disulfide.Pitch can be divided into coal tar pitch,
Asphalt and bitumen.Wherein, coal tar pitch is the byproduct of coking, and asphalt is the residue after crude distillation, day
Right pitch is then to be stored at underground, some formation ore beds or is accumulated on earth's crust surface.Pitch is mainly used for coating, plastics, rubber
Deng industry and surfacing etc..
Single asphalt material stability is poor, and it is embedding to generally require the addition s-B-S three in pitch
Section copolymer (SBS thermoplastic elastomer (TPE)s) is used as modifying agent, so as to improve the high and low temperature performance and ageing-resistant performance of pitch.Road
Road is usually to be processed about 4% SBS thermoplastic elastomer (TPE)s by High shear device with pitch with SBS modified pitch,
Realize fine dispersion of the SBS thermoplastic elastomer (TPE)s in pitch, if the compatibility of SBS thermoplastic elastomer (TPE)s and pitch is poor,
SBS thermoplastic elastomer (TPE)s will be caused to be easy to isolate layering from pitch, to keep for a long time.
In the prior art there are mainly three types of the methods of production SBS modified pitch, first, using high speed shear or colloid milling
SBS is distributed in pitch.Second is that using mother material, SBS and matrix pitch are mixed and made into SBS of the concentration more than 10% and are modified
Master batch of bitumen, masterbatch are mixed with bitumen dilution again.Third, SBS is carried out chemical modification in advance, to improve SBS and pitch
Compatibility, but this technique is substantially more expensive.The quality of SBS modified pitch depends primarily on the compatibility of SBS and pitch, but existing
Have technology produce pitch generally there is also the poor phenomenons of compatibility, it would therefore be highly desirable to a kind of pitch, the compatibility with SBS
Preferably, the high and low temperature performance and ageing-resistant performance of the SBS modified pitch obtained are excellent.
Invention content
In view of the above problems, the present invention provides a kind of high-temperature stability pitch.
To achieve the above object, the present invention solves by the following technical programs：
A kind of high-temperature stability pitch, includes the raw material of following mass fraction：
Matrix pitch：91-96 parts
SBS thermoplastic elastomer (TPE)s：2-5 parts
Dispersing aid：1-2 parts
Cyclodextrin：0.5-1.2 parts
Redox initiator：0.4-0.8 parts
Grafting catalysts：0.1-0.3 parts；
The dispersing aid is made of alkaline organic and ester-based organic compound.
Preferably comprising the raw material of following mass fraction：
Matrix pitch：94 parts
SBS thermoplastic elastomer (TPE)s：3 parts
Dispersing aid：1.4 part
Cyclodextrin：0.8 part
Redox initiator：0.6 part
Grafting catalysts：0.2 part.
The cyclodextrin can be one kind in alpha-cyclodextrin, beta-cyclodextrin, gamma-cyclodextrin, but due to alpha-cyclodextrin
Molecule hole is smaller, is typically only capable to wrap the guest species connect compared with small molecule, application range is smaller；The molecule hole of gamma-cyclodextrin
Greatly, but its production cost is high, is industrially unable to mass production, and application is restricted；The hole hole of beta-cyclodextrin is moderate, answers
Wide with range, production cost is low.Therefore, preferably, the cyclodextrin is beta-cyclodextrin.
Preferably, the alkaline organic of the dispersing aid is selected from triethylamine, triethanolamine, pyridine, piperidines, benzene
One kind in amine, cyclohexylamine, alkaline organic can enable the cyclodextrin to exist by the ph of asphalt system to adjustment to more than 7
It is stabilized in pitch.
Preferably, the ester-based organic compound of the dispersing aid is selected from Ethylhexyl stearate, octadecyl acrylate, three
The mixture of one or more of hydroxymethyl-propane ester, pentaerythritol tetraoctyl stearate, ethylene glycol dimethacrylate.
Preferably, the redox initiator is selected from cumyl peroxide, tert-butyl hydroperoxide, peroxide
Change one kind in benzoyl, sodium pyrosulfite, the redox initiator is for causing the SBS thermoplastic elastomer (TPE)s, base
The Raolical polymerizable of three kinds of matter pitch, cyclodextrin materials.
Preferably, the grafting catalysts are selected from 2,3- dimethyl -2,3- diphenyl butane, two fourth of tin dilaurate
One kind in base tin, the grafting catalysts can accelerate the SBS thermoplastic elastomer (TPE)s and the matrix pitch be grafted on it is described
Speed on cyclodextrin.
The beneficial effects of the invention are as follows：
The first, present invention aims at the consistency problems for improving SBS and matrix pitch so that the high and low temperature of the pitch of production
Stability and ageing-resistant performance are excellent.Cyclodextrin is specifically added in asphalt material as graft materials/crosslinking agent,
Multiple molecules of cyclodextrin are joined end to end with α-Isosorbide-5-Nitrae-glycosidic bond, in space structure in the shape of a spiral, cyclic structure it is outer
Edge is hydrophilic and inner cavity is hydrophobic, and one way in which is：The functional group of inside is by the high score in the SBS molecules or matrix pitch of part
Son connection, to which SBS and matrix pitch to be connected in a manner of block on cyclodextrin；Another way is：Cyclodextrin is one
Kind of cyclic oligomer, for molecule in wide at the top and narrow at the bottom, both ends open, hollow tubular article, the molecule of part SBS and matrix pitch can
Across the middle part of cyclodextrin, outside can be used as main body envelope SBS and matrix pitch, equally play connection SBS and matrix pitch
Effect；
The second, it is also added into the dispersing aid being made of alkaline organic and ester-based organic compound, alkaline organic is adjustable entire
System is in alkalescent, and cyclodextrin is relatively stablized, so as to maximum efficiency plays a role under alkaline condition, and ester-based organic compound is then
Help to enhance SBS thermoplastic elastomer (TPE)s and dispersion effect of the cyclodextrin in matrix pitch.
Specific implementation mode
In order to further appreciate that the feature, technological means and the specific purposes reached, function of the present invention, tie below
Closing specific implementation mode, the present invention is described in further detail.
Embodiment 1
A kind of high-temperature stability pitch, includes the raw material of following mass fraction：
Matrix pitch：91 parts, SBS thermoplastic elastomer (TPE)s：5 parts, triethylamine：1 part, Ethylhexyl stearate：1 part, beta-cyclodextrin：
1.2 parts, cumyl peroxide：0.6 part, 2,3- dimethyl -2,3- diphenyl butanes：0.2 part.
Embodiment 2
A kind of high-temperature stability pitch, includes the raw material of following mass fraction：
Matrix pitch：93 parts, SBS thermoplastic elastomer (TPE)s：4 parts, triethylamine：0.5 part, Ethylhexyl stearate：0.7 part, β-ring paste
Essence：1 part, cumyl peroxide：0.6 part, 2,3- dimethyl -2,3- diphenyl butanes：0.2 part.
Embodiment 3
A kind of high-temperature stability pitch, includes the raw material of following mass fraction：
Matrix pitch：95 parts, SBS thermoplastic elastomer (TPE)s：2 parts, triethylamine：0.6 part, Ethylhexyl stearate：0.8 part, β-ring paste
Essence：0.8 part, cumyl peroxide：0.6 part, 2,3- dimethyl -2,3- diphenyl butanes：0.2 part.
Embodiment 4
A kind of high-temperature stability pitch, includes the raw material of following mass fraction：
Matrix pitch：96 parts, SBS thermoplastic elastomer (TPE)s：2 parts, triethylamine：0.4 part, Ethylhexyl stearate：0.6 part, β-ring paste
Essence：0.5 part, cumyl peroxide：0.4 part, 2,3- dimethyl -2,3- diphenyl butanes：0.1 part.
Embodiment 5
A kind of high-temperature stability pitch, includes the raw material of following mass fraction：
Matrix pitch：91 parts, SBS thermoplastic elastomer (TPE)s：5 parts, cyclohexylamine：1 part, pentaerythritol tetraoctyl stearate：1 part, β-
Cyclodextrin：1.2 parts, cumyl peroxide：0.6 part, dibutyl tin laurate：0.2 part.
Embodiment 6
A kind of high-temperature stability pitch, includes the raw material of following mass fraction：
Matrix pitch：93 parts, SBS thermoplastic elastomer (TPE)s：4 parts, cyclohexylamine：0.5 part, pentaerythritol tetraoctyl stearate：0.7
Part, beta-cyclodextrin：1 part, cumyl peroxide：0.6 part, dibutyl tin laurate：0.2 part.
Embodiment 7
A kind of high-temperature stability pitch, includes the raw material of following mass fraction：
Matrix pitch：95 parts, SBS thermoplastic elastomer (TPE)s：2 parts, cyclohexylamine：0.6 part, pentaerythritol tetraoctyl stearate：0.8
Part, beta-cyclodextrin：0.8 part, cumyl peroxide：0.6 part, dibutyl tin laurate：0.2 part.
Embodiment 8
A kind of high-temperature stability pitch, includes the raw material of following mass fraction：
Matrix pitch：96 parts, SBS thermoplastic elastomer (TPE)s：2 parts, cyclohexylamine：0.4 part, pentaerythritol tetraoctyl stearate：0.6
Part, beta-cyclodextrin：0.5 part, cumyl peroxide：0.4 part, dibutyl tin laurate：0.1 part.
8 kinds of embodiments of the invention above described embodiment only expresses, the description thereof is more specific and detailed, but not
Can the limitation to the scope of the claims of the present invention therefore be interpreted as.It should be pointed out that coming for those of ordinary skill in the art
It says, without departing from the inventive concept of the premise, various modifications and improvements can be made, these belong to the protection of the present invention
Range.Therefore, the protection domain of patent of the present invention should be determined by the appended claims.
Claims (7)
1. a kind of high-temperature stability pitch, which is characterized in that include the raw material of following mass fraction：
Matrix pitch：91-96 parts
SBS thermoplastic elastomer (TPE)s：2-5 parts
Dispersing aid：1-2 parts
Cyclodextrin：0.5-1.2 parts
Redox initiator：0.4-0.8 parts
Grafting catalysts：0.1-0.3 parts；
The dispersing aid is made of alkaline organic and ester-based organic compound.
2. a kind of high-temperature stability pitch according to claim 1, which is characterized in that include the original of following mass fraction
Material：
Matrix pitch：94 parts
SBS thermoplastic elastomer (TPE)s：3 parts
Dispersing aid：1.4 part
Cyclodextrin：0.8 part
Redox initiator：0.6 part
Grafting catalysts：0.2 part.
3. a kind of high-temperature stability pitch according to claim 1, which is characterized in that the cyclodextrin is beta-cyclodextrin.
4. a kind of high-temperature stability pitch according to claim 1, which is characterized in that the alkalinity of the dispersing aid is organic
The one kind of object in triethylamine, triethanolamine, pyridine, piperidines, aniline, cyclohexylamine.
5. a kind of high-temperature stability pitch according to claim 1, which is characterized in that the esters of the dispersing aid are organic
Object is selected from Ethylhexyl stearate, octadecyl acrylate, trihydroxymethylpropanyl ester, pentaerythritol tetraoctyl stearate, dimethyl propylene
The mixture of one or more of olefin(e) acid glycol ester.
6. a kind of high-temperature stability pitch according to claim 1, which is characterized in that the redox initiator is selected from
One kind in cumyl peroxide, tert-butyl hydroperoxide, benzoyl peroxide, sodium pyrosulfite.
7. a kind of high-temperature stability pitch according to claim 1, which is characterized in that the grafting catalysts are selected from 2,3-
One kind in dimethyl -2,3- diphenyl butanes, dibutyl tin laurate.
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| CN201810399593.1A CN108530923A (en) | 2018-04-28 | 2018-04-28 | A kind of high-temperature stability pitch |
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| CN201810399593.1A CN108530923A (en) | 2018-04-28 | 2018-04-28 | A kind of high-temperature stability pitch |
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Cited By (9)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN110256183A (en) * | 2019-06-20 | 2019-09-20 | 武汉理工大学 | The preparation method of one kind 2,3- dimethyl -2,3- diphenyl butane |
| CN111393865A (en) * | 2020-05-27 | 2020-07-10 | 吴碧玉 | High-viscosity modified asphalt and preparation method thereof |
| CN111978748A (en) * | 2020-08-27 | 2020-11-24 | 广西大学 | Environment-friendly novel compound modified asphalt for waste batteries and preparation method thereof |
| CN112029299A (en) * | 2019-06-03 | 2020-12-04 | 中国石油化工股份有限公司 | Modified epoxy asphalt and preparation method thereof |
| CN112029298A (en) * | 2019-06-03 | 2020-12-04 | 中国石油化工股份有限公司 | Thermosetting epoxy asphalt and preparation method thereof |
| CN112210221A (en) * | 2019-07-10 | 2021-01-12 | 中国石油化工股份有限公司 | Epoxy asphalt material and preparation method thereof |
| CN112210222A (en) * | 2019-07-10 | 2021-01-12 | 中国石油化工股份有限公司 | Epoxy asphalt material for roads and bridges and preparation method thereof |
| CN114773612A (en) * | 2022-05-25 | 2022-07-22 | 山东高速集团有限公司创新研究院 | Polyamine-based hyperbranched polyurethane material grafted SBS (styrene butadiene styrene) and preparation method thereof, and high-viscosity high-elasticity asphalt and preparation method thereof |
| CN116656142A (en) * | 2023-06-27 | 2023-08-29 | 东莞泰和沥青产品有限公司 | Environment-friendly modified asphalt production process |
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Cited By (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN112029298B (en) * | 2019-06-03 | 2022-07-12 | 中国石油化工股份有限公司 | Thermosetting epoxy asphalt and preparation method thereof |
| CN112029299B (en) * | 2019-06-03 | 2022-07-12 | 中国石油化工股份有限公司 | Modified epoxy asphalt and preparation method thereof |
| CN112029299A (en) * | 2019-06-03 | 2020-12-04 | 中国石油化工股份有限公司 | Modified epoxy asphalt and preparation method thereof |
| CN112029298A (en) * | 2019-06-03 | 2020-12-04 | 中国石油化工股份有限公司 | Thermosetting epoxy asphalt and preparation method thereof |
| CN110256183A (en) * | 2019-06-20 | 2019-09-20 | 武汉理工大学 | The preparation method of one kind 2,3- dimethyl -2,3- diphenyl butane |
| CN112210222A (en) * | 2019-07-10 | 2021-01-12 | 中国石油化工股份有限公司 | Epoxy asphalt material for roads and bridges and preparation method thereof |
| CN112210221A (en) * | 2019-07-10 | 2021-01-12 | 中国石油化工股份有限公司 | Epoxy asphalt material and preparation method thereof |
| CN112210222B (en) * | 2019-07-10 | 2022-08-12 | 中国石油化工股份有限公司 | Epoxy asphalt material for roads and bridges and preparation method thereof |
| CN112210221B (en) * | 2019-07-10 | 2023-01-10 | 中国石油化工股份有限公司 | Epoxy asphalt material and preparation method thereof |
| CN111393865A (en) * | 2020-05-27 | 2020-07-10 | 吴碧玉 | High-viscosity modified asphalt and preparation method thereof |
| CN115340771A (en) * | 2020-05-27 | 2022-11-15 | 吴碧玉 | High-viscosity modified asphalt |
| CN111978748A (en) * | 2020-08-27 | 2020-11-24 | 广西大学 | Environment-friendly novel compound modified asphalt for waste batteries and preparation method thereof |
| CN114773612A (en) * | 2022-05-25 | 2022-07-22 | 山东高速集团有限公司创新研究院 | Polyamine-based hyperbranched polyurethane material grafted SBS (styrene butadiene styrene) and preparation method thereof, and high-viscosity high-elasticity asphalt and preparation method thereof |
| CN114773612B (en) * | 2022-05-25 | 2022-12-27 | 山东高速集团有限公司创新研究院 | Polyamine-based hyperbranched polyurethane material grafted SBS (styrene butadiene styrene) and preparation method thereof, and high-viscosity high-elasticity asphalt and preparation method thereof |
| CN116656142A (en) * | 2023-06-27 | 2023-08-29 | 东莞泰和沥青产品有限公司 | Environment-friendly modified asphalt production process |
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