CN109233379A - A kind of high-elastic waterproof asphalt emulsion - Google Patents
A kind of high-elastic waterproof asphalt emulsion Download PDFInfo
- Publication number
- CN109233379A CN109233379A CN201811190237.5A CN201811190237A CN109233379A CN 109233379 A CN109233379 A CN 109233379A CN 201811190237 A CN201811190237 A CN 201811190237A CN 109233379 A CN109233379 A CN 109233379A
- Authority
- CN
- China
- Prior art keywords
- parts
- elastic waterproof
- asphalt emulsion
- waterproof asphalt
- emulsion according
- 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.)
- Granted
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
- C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/65—Additives macromolecular
Landscapes
- Chemical & Material Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Paints Or Removers (AREA)
Abstract
The invention discloses a kind of high-elastic waterproof asphalt emulsions for belonging to technical field of chemical paint.It is composed of the following parts by weight: 36-40 parts of water, 15-20 parts of styrene, 1-2 parts of molecular regulation agent, 1-3 parts of emulsifier, 35-40 parts of butyl acrylate, 2-4 parts of chelating agent, 0.2-0.3 parts of initiator, 0.1-0.2 parts of defoaming agent, 0.2-0.4 parts of thickener, 1-2 parts of colloid protective agent, 0.5-0.7 parts of multifunctional assistant, 0.1-0.3 parts of mould inhibitor.There is aqueous high-elastic waterproof asphalt emulsion provided by the invention excellent low temperature to extend efficiency, and tensile strength, fabulous with pitch compatibility, adhesive force is strong, and cracking resistance is freeze proof, antiseepage, water-tolerant.
Description
Technical field
The invention belongs to technical field of chemical paint, and in particular to a kind of high-elastic waterproof asphalt emulsion.
Background technique
Pitch for paving the way, roof waterproof and coating material, but there are some in terms of physical property for pure pitch
It is insufficient.Therefore, it is necessary to improve to it.Emulsified asphalt is by high temperature road asphalt, by mechanical stirring and chemically stable
Method is distributed in water and forms under room temperature that viscosity is very low, the good pavement construction material of mobility.Emulsified asphalt has section
Can, it is widely used, easy to use the features such as, be mainly used for the upgrading and maintenance of road pavement and road.With traditional heated bitumen phase
Than emulsified asphalt is safer, energy saving and environmentally friendly, and avoids noxious emission and reduce environmental pollution, reduces worker's burning
The risk of cold danger and open firing explosion.But after general emulsified asphalt construction, there are the elder generations that low temperature embrittlement, high temperature trickle
It is insufficient, the popularization restricted its application.Occur some asphalt emulsions on the market at present, is exactly its emulsifying effectiveness to pitch
Difference is less susceptible to emulsify.In addition, the solid content of these asphalt emulsions is not high, production efficiency is influenced.
Summary of the invention
Problem to solve the above-mentioned problems, the invention proposes a kind of high-elastic waterproof asphalt emulsions.
A kind of high-elastic waterproof asphalt emulsion, is composed of the following parts by weight: 36-40 parts of water, styrene 15-20
Part, 1-2 parts of molecular regulation agent, 1-3 parts of emulsifier, 35-40 parts of butyl acrylate, 2-4 parts of chelating agent, 0.2-0.3 parts of initiator,
0.1-0.2 parts of defoaming agent, 0.2-0.4 parts of thickener, 1-2 parts of colloid protective agent, 0.5-0.7 parts of multifunctional assistant, mould inhibitor
0.1-0.3 parts.
The molecular regulation agent is 2,4- diphenyl -4-methyl-1-pentene, methyl styrene linear dimerization body or methylbenzene
One or two kinds of mixtures of ethylene dimerization object.
The emulsifier is polyoxyethylene alkylphenol ether, in alkylolamides, sodium sulfate of polyethenoxy ether of fatty alcohol
One or two kinds of mixtures.
The chelating agent be one of aminotrimethylenephosphonic acid, 1-hydroxy ethylidene-1,1-diphosphonic acid, hexapotassium or
Two kinds of mixture.
The initiator is sodium peroxydisulfate or ammonium persulfate.
The defoaming agent is dimethyl silicone polymer.
The thickener is sodium carboxymethylcellulose pyce.
The colloid protective agent is one or both of polyvinyl alcohol, polyvinyl acetate, Sodium Polyacrylate.
The multifunctional assistant be calcium chloride, magnesium chloride, one of calcium nitrate or more than one.
The mould inhibitor is one of parachlorophenol, 2- methylol ethyl alcohol, 2- methyl -2- methylol propyl alcohol
Or two kinds.
Beneficial effects of the present invention: high-elastic waterproof asphalt emulsion provided by the invention aims at modified pitch and designs, energy
There is a good compatibility with anion and cationic asphalt, it is very big the shortcomings that improving pitch heat sagging, to the cold embrittlement,
Extending efficiency with excellent low temperature, tensile strength, quick-drying, film forming, weatherability, adhesive force is strong, cracking resistance, freeze proof, antiseepage,
Water resistance is fabulous.
Specific embodiment
The present invention will be further described combined with specific embodiments below.
Embodiment 1
A kind of high-elastic waterproof asphalt emulsion, is composed of the following parts by weight: 38 parts of water, 18 parts of styrene, 2,
4- diphenyl -1.5 parts of 4-methyl-1-pentene, 2 parts of alkylolamides, 38 parts of butyl acrylate, 3 parts of aminotrimethylenephosphonic acid, mistake
0.25 part of sodium sulphate, 0.15 part of dimethyl silicone polymer, 0.3 part of sodium carboxymethylcellulose pyce, 1.5 parts of polyvinyl alcohol, calcium chloride 0.6
Part, 0.2 part of 2- methylol ethyl alcohol.
Embodiment 2
A kind of high-elastic waterproof asphalt emulsion, is composed of the following parts by weight: 36 parts of water, 15 parts of styrene, 2,
4- diphenyl -1 part of 4-methyl-1-pentene, 1 part of alkylolamides, 35 parts of butyl acrylate, 2 parts of aminotrimethylenephosphonic acid, over cure
0.2 part of sour sodium, 0.1 part of dimethyl silicone polymer, 0.2 part of sodium carboxymethylcellulose pyce, 1 part of polyvinyl alcohol, 0.5 part of magnesium chloride, 2- hydroxyl
0.1 part of methyl amino ethanol.
Embodiment 3
A kind of high-elastic waterproof asphalt emulsion, is composed of the following parts by weight: 40 parts of water, 20 parts of styrene, 2,
4- diphenyl -2 parts of 4-methyl-1-pentene, 3 parts of alkylolamides, 40 parts of butyl acrylate, 4 parts of aminotrimethylenephosphonic acid, over cure
0.3 part of sour sodium, 0.2 part of dimethyl silicone polymer, 0.4 part of sodium carboxymethylcellulose pyce, 2 parts of polyvinyl alcohol, 0.7 part of calcium chloride, 2- hydroxyl
0.3 part of methyl amino ethanol.
Embodiment 4
A kind of high-elastic waterproof asphalt emulsion, is composed of the following parts by weight: 38 parts of water, 18 parts of styrene, 2,
4- diphenyl -1.5 parts of 4-methyl-1-pentene, 2 parts of alkylolamides, 38 parts of butyl acrylate, 3 parts of aminotrimethylenephosphonic acid, mistake
0.25 part of sodium sulphate, 0.15 part of dimethyl silicone polymer, 0.3 part of sodium carboxymethylcellulose pyce, 1.5 parts of polyvinyl alcohol, calcium chloride 0.6
Part, 0.2 part of 2- methylol ethyl alcohol, 1 part of diethylstilbestrol bisphosphate.
Embodiment 5
A kind of high-elastic waterproof asphalt emulsion, is composed of the following parts by weight: 38 parts of water, 18 parts of styrene, 2,
4- diphenyl -1.5 parts of 4-methyl-1-pentene, 2 parts of alkylolamides, 38 parts of butyl acrylate, 3 parts of aminotrimethylenephosphonic acid, mistake
0.25 part of sodium sulphate, 0.15 part of dimethyl silicone polymer, 0.3 part of sodium carboxymethylcellulose pyce, 1.5 parts of polyvinyl alcohol, calcium chloride 0.6
Part, 0.2 part of 2- methylol ethyl alcohol, 1 part of aluctyl.
Embodiment 6
A kind of high-elastic waterproof asphalt emulsion, is composed of the following parts by weight: 38 parts of water, 18 parts of styrene, 2,
4- diphenyl -1.5 parts of 4-methyl-1-pentene, 2 parts of alkylolamides, 38 parts of butyl acrylate, 3 parts of aminotrimethylenephosphonic acid, mistake
0.25 part of sodium sulphate, 0.15 part of dimethyl silicone polymer, 0.3 part of sodium carboxymethylcellulose pyce, 1.5 parts of polyvinyl alcohol, calcium chloride 0.6
Part, 0.2 part of 2- methylol ethyl alcohol, 1 part of 1- chrloroanthracene.
Comparative example 1
A kind of high-elastic waterproof asphalt emulsion, is composed of the following parts by weight: 38 parts of water, 18 parts of styrene, alkane
2 parts of base alkylolamides, 38 parts of butyl acrylate, 3 parts of aminotrimethylenephosphonic acid, 0.25 part of sodium peroxydisulfate, dimethyl silicone polymer
0.15 part, 0.3 part of sodium carboxymethylcellulose pyce, 1.5 parts of polyvinyl alcohol, 0.6 part of calcium chloride, 0.2 part of 2- methylol ethyl alcohol.
Comparative example 2
A kind of high-elastic waterproof asphalt emulsion, is composed of the following parts by weight: 38 parts of water, 18 parts of styrene, 2,
4- diphenyl -1.5 parts of 4-methyl-1-pentene, 2 parts of alkylolamides, 38 parts of butyl acrylate, 3 parts of aminotrimethylenephosphonic acid, mistake
0.25 part of sodium sulphate, 0.15 part of dimethyl silicone polymer, 0.3 part of sodium carboxymethylcellulose pyce, 0.6 part of calcium chloride, 2- methylol
0.2 part of ethyl alcohol.
Experimental example 1:
The test of low temperature elongation percentage is carried out to the product of embodiment 1-6 and comparative example 1-2, test result is shown in Table 1:
Table 1
Note: * represents P < 0.05 compared with example 1 group.
As can be seen from Table 1, the high-elastic waterproof asphalt emulsion product low temperature elongation percentage of 1-3 of the embodiment of the present invention is higher than
630%, it is higher than commercial product, the product low temperature elongation percentage of embodiment 4-6 is higher than embodiment 1, and the product low temperature of comparative example 1-2
Elongation percentage is lower than embodiment 1.
Experimental example 2:
Immersion test test is carried out to the product of embodiment 1-6 and comparative example 1-2, is impregnated 96 hours and 200 hours respectively,
Test result is shown in Table 2:
Table 2
As can be seen from Table 2, the high-elastic waterproof asphalt emulsion product of 1-3 of the embodiment of the present invention impregnates 96 hours in water
It is without exception, 200 hours micro disperses are impregnated, the product of embodiment 4-6 impregnates without exception, comparative example 1-2 immersion 96 hours in 200 hours
Start to disperse.
Claims (10)
1. a kind of high-elastic waterproof asphalt emulsion, which is characterized in that be composed of the following parts by weight: 36-40 parts of water, benzene
15-20 parts of ethylene, 1-2 parts of molecular regulation agent, 1-3 parts of emulsifier, 35-40 parts of butyl acrylate, 2-4 parts of chelating agent, initiator
0.2-0.3 parts, 0.1-0.2 parts of defoaming agent, 0.2-0.4 parts of thickener, 1-2 parts of colloid protective agent, multifunctional assistant 0.5-0.7
Part, 0.1-0.3 parts of mould inhibitor.
2. a kind of high-elastic waterproof asphalt emulsion according to claim 1, which is characterized in that the molecular regulation agent is 2,
4- diphenyl -4-methyl-1-pentene, methyl styrene linear dimerization body or the one or two kinds of of methyl styrene dimer object mix
Close object.
3. a kind of high-elastic waterproof asphalt emulsion according to claim 1, which is characterized in that the emulsifier is alkylbenzene
The mixture of one or both of phenol polyethenoxy ether, alkylolamides, sodium sulfate of polyethenoxy ether of fatty alcohol.
4. a kind of high-elastic waterproof asphalt emulsion according to claim 1, which is characterized in that the chelating agent is amino three
The mixture of one or both of methylenephosphonic acid, 1-hydroxy ethylidene-1,1-diphosphonic acid, hexapotassium.
5. a kind of high-elastic waterproof asphalt emulsion according to claim 1, which is characterized in that the initiator is persulfuric acid
Sodium or ammonium persulfate.
6. a kind of high-elastic waterproof asphalt emulsion according to claim 1, which is characterized in that the defoaming agent is poly- diformazan
Radical siloxane.
7. a kind of high-elastic waterproof asphalt emulsion according to claim 1, which is characterized in that the thickener is that methyl is fine
Tie up plain sodium.
8. a kind of high-elastic waterproof asphalt emulsion according to claim 1, which is characterized in that the colloid protective agent is poly-
One or both of vinyl alcohol, polyvinyl acetate, Sodium Polyacrylate.
9. a kind of high-elastic waterproof asphalt emulsion according to claim 1, which is characterized in that the multifunctional assistant is chlorine
Change calcium, magnesium chloride, one of calcium nitrate or more than one.
10. a kind of high-elastic waterproof asphalt emulsion according to claim 1, which is characterized in that the mould inhibitor is to chlorine
One or both of phenol, 2- methylol ethyl alcohol, 2- methyl -2- methylol propyl alcohol.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811190237.5A CN109233379B (en) | 2018-10-12 | 2018-10-12 | High-elasticity waterproof asphalt emulsion |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201811190237.5A CN109233379B (en) | 2018-10-12 | 2018-10-12 | High-elasticity waterproof asphalt emulsion |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN109233379A true CN109233379A (en) | 2019-01-18 |
| CN109233379B CN109233379B (en) | 2021-03-30 |
Family
ID=65052517
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN201811190237.5A Active CN109233379B (en) | 2018-10-12 | 2018-10-12 | High-elasticity waterproof asphalt emulsion |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN109233379B (en) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113831745A (en) * | 2020-06-08 | 2021-12-24 | 中国石油天然气股份有限公司 | Warm-mixed asphalt and preparation method thereof |
Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106319A (en) * | 1985-08-06 | 1987-02-18 | 兵器工业部第五三研究所 | A kind of rubber modified pitch emulsion and manufacturing process thereof |
| CN1213681A (en) * | 1998-09-14 | 1999-04-14 | 中国科学院广州化学研究所 | Regenerated rubber asphalt water-emulsion waterproof paint and its prepn. method |
| CN1375519A (en) * | 2001-03-15 | 2002-10-23 | 北京赛绿特科技发展有限公司 | Special-purpose dust proof antiseptic latex |
| CN101649025A (en) * | 2009-06-06 | 2010-02-17 | 中国石油兰州石油化工公司 | Preparation method of carboxylic styrene butadiene latex |
| CN101735543A (en) * | 2010-01-07 | 2010-06-16 | 宁波志华化学有限公司 | Method for preparing multifunctional acrylic matting resin |
| CN103204646A (en) * | 2012-01-17 | 2013-07-17 | 中国铁道科学研究院铁道建筑研究所 | Special stabilizing agent for cement-emulsified asphalt mortar |
| CN103772717A (en) * | 2012-10-26 | 2014-05-07 | 中国石油化工股份有限公司 | Latex and preparation method thereof |
| CN106317285A (en) * | 2016-08-17 | 2017-01-11 | 苏州世名科技股份有限公司 | Waterborne pigment dispersant |
| CN106893490A (en) * | 2017-03-23 | 2017-06-27 | 北京东方雨虹防水技术股份有限公司 | A kind of modified emulsion of emulsion type asphalt paint and preparation method thereof and coating |
| CN108178933A (en) * | 2017-12-29 | 2018-06-19 | 重庆市盛百利防水建材有限公司 | A kind of modified pitch and preparation method thereof |
-
2018
- 2018-10-12 CN CN201811190237.5A patent/CN109233379B/en active Active
Patent Citations (10)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN85106319A (en) * | 1985-08-06 | 1987-02-18 | 兵器工业部第五三研究所 | A kind of rubber modified pitch emulsion and manufacturing process thereof |
| CN1213681A (en) * | 1998-09-14 | 1999-04-14 | 中国科学院广州化学研究所 | Regenerated rubber asphalt water-emulsion waterproof paint and its prepn. method |
| CN1375519A (en) * | 2001-03-15 | 2002-10-23 | 北京赛绿特科技发展有限公司 | Special-purpose dust proof antiseptic latex |
| CN101649025A (en) * | 2009-06-06 | 2010-02-17 | 中国石油兰州石油化工公司 | Preparation method of carboxylic styrene butadiene latex |
| CN101735543A (en) * | 2010-01-07 | 2010-06-16 | 宁波志华化学有限公司 | Method for preparing multifunctional acrylic matting resin |
| CN103204646A (en) * | 2012-01-17 | 2013-07-17 | 中国铁道科学研究院铁道建筑研究所 | Special stabilizing agent for cement-emulsified asphalt mortar |
| CN103772717A (en) * | 2012-10-26 | 2014-05-07 | 中国石油化工股份有限公司 | Latex and preparation method thereof |
| CN106317285A (en) * | 2016-08-17 | 2017-01-11 | 苏州世名科技股份有限公司 | Waterborne pigment dispersant |
| CN106893490A (en) * | 2017-03-23 | 2017-06-27 | 北京东方雨虹防水技术股份有限公司 | A kind of modified emulsion of emulsion type asphalt paint and preparation method thereof and coating |
| CN108178933A (en) * | 2017-12-29 | 2018-06-19 | 重庆市盛百利防水建材有限公司 | A kind of modified pitch and preparation method thereof |
Non-Patent Citations (1)
| Title |
|---|
| 朱洪法等: "《精细化工产品制造技术》", 31 January 2002, 金盾出版社 * |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113831745A (en) * | 2020-06-08 | 2021-12-24 | 中国石油天然气股份有限公司 | Warm-mixed asphalt and preparation method thereof |
Also Published As
| Publication number | Publication date |
|---|---|
| CN109233379B (en) | 2021-03-30 |
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| CN104176985B (en) | A kind of aqueous polyurethane emulsified bitulith and its production and use | |
| CN102464890B (en) | Aqueous asphalt-based epoxy resin waterproof material composition and preparation process thereof | |
| US5023282A (en) | Asphalt containing gilsonite, reactive oil and elastomer | |
| CN102816447B (en) | Production and application methods of ductility-enhancing modifier for road asphalt | |
| CN106146730A (en) | A kind of acrylamide copolymer thickening agent and preparation method thereof and fracturing fluid | |
| CN105111536A (en) | High-toughness power cable sheath and preparation method thereof | |
| CN105315471A (en) | Emulsified SBS modified asphalt and reparation method thereof, waterproof coating and reparation method thereof | |
| CN106554635A (en) | A kind of high softening-point SBS modified emulsifying asphalts and preparation method thereof | |
| CN106348655B (en) | A kind of water-based acrylic resin emulsified bitulith Preparation method and use | |
| CN114369413B (en) | Root-puncture-resistant quick-setting spray rubber asphalt waterproof coating, and preparation method and application thereof | |
| CN109233379A (en) | A kind of high-elastic waterproof asphalt emulsion | |
| CN111471128B (en) | Water-based acrylic elastic emulsion, preparation method thereof and application thereof in asphalt pavement | |
| CN102492365B (en) | Preparation method of liquid rubber asphalt water-proof paint | |
| CN105038593B (en) | A kind of aqueous uncured rubber-asphalt coating and preparation method thereof | |
| CN107739518A (en) | A kind of cast asphalt concrete modified pitch and preparation method thereof | |
| CN114605848A (en) | Polymer waterproof protective material for roads and bridges | |
| KR102229896B1 (en) | Ultra rapid harding concrete composition having the frost resistance and a repairing method of concrete structure using the same | |
| CN104629390B (en) | Form the production technology of the cold-resistant freeze proof soft pitch liquid of stable chemical network | |
| CN112898595B (en) | Anionic emulsified asphalt and preparation method thereof | |
| CN107964366B (en) | Non-curing rubber asphalt waterproof coating | |
| JP5059595B2 (en) | Color binder composition | |
| KR20110097031A (en) | Modified asphalt emulsion | |
| CN105713474B (en) | A kind of organic imvite modified elastic coating for being used as concrete surface protection and preparation method thereof | |
| CN101629021A (en) | High-quality pavement petroleum asphalt material and preparation method thereof | |
| CN108410187A (en) | A kind of bituminous composition prepared using macromolecule |
Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PB01 | Publication | ||
| PB01 | Publication | ||
| SE01 | Entry into force of request for substantive examination | ||
| SE01 | Entry into force of request for substantive examination | ||
| GR01 | Patent grant | ||
| GR01 | Patent grant |