CN108467596B - Waste thermosetting plastic modified asphalt and preparation method thereof - Google Patents
Waste thermosetting plastic modified asphalt and preparation method thereof Download PDFInfo
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- CN108467596B CN108467596B CN201810135825.2A CN201810135825A CN108467596B CN 108467596 B CN108467596 B CN 108467596B CN 201810135825 A CN201810135825 A CN 201810135825A CN 108467596 B CN108467596 B CN 108467596B
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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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/30—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof by mixing gases into liquid compositions or plastisols, e.g. frothing with air
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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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0023—Use of organic additives containing oxygen
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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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0014—Use of organic additives
- C08J9/0042—Use of organic additives containing silicon
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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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0061—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof characterized by the use of several polymeric components
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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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0066—Use of inorganic compounding ingredients
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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
- C08J9/00—Working-up of macromolecular substances to porous or cellular articles or materials; After-treatment thereof
- C08J9/0095—Mixtures of at least two compounding ingredients belonging to different one-dot groups
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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
- C08J2400/00—Characterised by the use of unspecified polymers
- C08J2400/24—Thermosetting resins
Abstract
The invention relates to a waste thermosetting plastic modified asphalt and a preparation method thereof, wherein the waste thermosetting plastic modified asphalt comprises the following components in parts by weight: 100 parts of matrix asphalt, 20-40 parts of waste thermosetting plastic, 1-5 parts of modifier, 0.1-0.2 part of foaming agent, 0.2-0.5 part of foam stabilizer, 0.1-0.2 part of defoamer, 0.05-0.1 part of stabilizer, 10-20 parts of vinyl triethoxysilane and 30-50 parts of water, the matrix asphalt and the waste thermosetting plastic are tightly combined through adding the vinyl triethoxysilane, the viscosity and the compactness of the asphalt are increased, the foaming agent is firstly added in the preparation process, the modified asphalt is foamed, the internal structure of the modified asphalt is temporarily changed into a honeycomb type, the structure is more three-dimensional, the internal connection is more uniform and dense, the matrix asphalt and the waste thermosetting plastic are tightly bonded, the formed structure is processed by the defoamer, the formed connection structure is extruded, and the structure is denser, thereby greatly increasing the viscosity and the connectivity and effectively preventing the fracture.
Description
Technical Field
The invention relates to the field of asphalt preparation, in particular to waste thermosetting plastic modified asphalt and a preparation method thereof.
Background
Thermosetting plastics form a cross-linked structure after being cured and molded, and cannot be melted and molded again, so that recycling is difficult and environmental pollution is serious. But the consumption of thermosetting plastics is extremely large, the current recovery rate is less than 10 percent, and great resource waste is caused.
With the rapid development of the road industry in China, the demand and consumption of raw materials such as asphalt, mineral aggregate and the like are greatly increased, in order to respond to the call of energy conservation and emission reduction in China, waste materials such as waste tire rubber powder and waste thermoplastic plastics are applied to the asphalt industry, good effects are achieved, the application is wide especially for waste tire rubber, but the application to huge waste plastics is rare at present.
Disclosure of Invention
The invention aims to provide the waste thermosetting plastic modified asphalt and the preparation method thereof aiming at the defects in the prior art.
The invention is realized by the following technical scheme:
the waste thermosetting plastic modified asphalt comprises the following components in parts by weight: 100 parts of matrix asphalt, 20-40 parts of waste thermosetting plastic, 1-5 parts of modifier, 0.1-0.2 part of foaming agent, 0.2-0.5 part of foam stabilizer, 0.1-0.2 part of defoaming agent, 0.05-0.1 part of stabilizer, 10-20 parts of vinyl triethoxysilane and 30-50 parts of water.
Further, the modifier is block copolymer (SBS) modified asphalt.
Further, the foaming agent is fatty alcohol-polyoxyethylene ether sodium sulfate.
Further, the foam stabilizer is a silicone polyether emulsion (MPS).
Further, the defoaming agent is dimethyl silicone oil.
Further, the stabilizer is calcium chloride.
Further, the waste thermosetting plastic is one or more of phenolic plastic, aminoplast, epoxy resin, furan resin, unsaturated polyester resin and silicone resin.
As another object of the present invention, the above method for preparing waste thermosetting plastic modified asphalt is characterized in that: the method comprises the following steps:
(1) crushing the waste thermosetting plastic, wherein the particle size of the crushed waste thermosetting plastic is less than or equal to 0.2 mm;
(2) heating the matrix asphalt to 120-130 ℃, and adding the waste thermosetting plastic;
(3) mixing modifier, stabilizer, vinyl triethoxysilane and water, and stirring for 30 min;
(4) dripping a foaming agent and a foam stabilizer during stirring, simultaneously adding the foaming agent and the foam stabilizer by 10 times, adding the foaming agent and the foam stabilizer once every 10 seconds, heating to 150 ℃ after the addition is finished, and continuously stirring for 5 minutes;
(5) after the reaction is finished, cooling to 90-100 ℃, adding the defoaming agent for 10 times, adding the defoaming agent once every 30 seconds, continuing stirring for 5 parts of minutes after the dropwise addition is finished, and cooling to room temperature.
The invention has the beneficial effects that: through adding vinyl triethoxysilane, its Europe union effect closely combines inside and matrix pitch and abandonment thermosetting plastic with the pitch, increase the viscosity and the compactness of pitch, at first increase the foamer through the preparation in-process, foam modified asphalt, its inner structure becomes the honeycomb for a short time, vinyl triethoxysilane bonds in its inside, make the structure three-dimensional and internal connection more even and intensive, matrix pitch and abandonment thermosetting plastic closely adhere, and the structure after the formation is through the processing of defoaming agent, the connection structure who has formed extrudees, the structure is denser, thereby greatly increased viscosity and connectivity, effectively prevent the fracture, the interpolation in-process of defoaming agent adds the stabilizer, prevent that existing structure from being destroyed.
Detailed Description
The present invention is further described below with reference to specific examples so that those skilled in the art may better understand the present invention, but the present invention is not limited thereto.
Example 1
The waste thermosetting plastic modified asphalt comprises the following components in parts by weight: 100 parts of matrix asphalt, 20 parts of waste thermosetting plastic, 2 parts of modifier, 0.1 part of foaming agent, 0.2 part of foam stabilizer, 0.1 part of defoaming agent, 0.05 part of stabilizer, 10 parts of vinyl triethoxysilane and 30 parts of water.
The modifier is block copolymer (SBS) modified asphalt.
The foaming agent is fatty alcohol-polyoxyethylene ether sodium sulfate.
The foam stabilizer is silicone polyether emulsion (MPS).
The defoaming agent is dimethyl silicone oil.
The stabilizer is calcium chloride.
The waste thermosetting plastic is phenolic plastic, aminoplast, epoxy resin, furan resin, unsaturated polyester resin and silicon resin.
Example 2
The waste thermosetting plastic modified asphalt comprises the following components in parts by weight: 100 parts of matrix asphalt, 30 parts of waste thermosetting plastic, 3 parts of modifier, 0.2 part of foaming agent, 0.3 part of foam stabilizer, 0.15 part of defoaming agent, 0.1 part of stabilizer, 15 parts of vinyl triethoxysilane and 40 parts of water.
The modifier is block copolymer (SBS) modified asphalt.
The foaming agent is fatty alcohol-polyoxyethylene ether sodium sulfate.
The foam stabilizer is silicone polyether emulsion (MPS).
The defoaming agent is dimethyl silicone oil.
The stabilizer is calcium chloride.
The waste thermosetting plastic is phenolic plastic, aminoplast, epoxy resin, furan resin, unsaturated polyester resin and silicon resin.
Example 3
The waste thermosetting plastic modified asphalt comprises the following components in parts by weight: 100 parts of matrix asphalt, 40 parts of waste thermosetting plastic, 5 parts of modifier, 0.2 part of foaming agent, 0.5 part of foam stabilizer, 0.2 part of defoaming agent, 0.1 part of stabilizer, 20 parts of vinyl triethoxysilane and 50 parts of water.
The modifier is block copolymer (SBS) modified asphalt.
The foaming agent is fatty alcohol-polyoxyethylene ether sodium sulfate.
The foam stabilizer is silicone polyether emulsion (MPS).
The defoaming agent is dimethyl silicone oil.
The stabilizer is calcium chloride.
The waste thermosetting plastic is phenolic plastic, aminoplast, epoxy resin, furan resin, unsaturated polyester resin and silicon resin.
Example 4
The waste thermosetting plastic modified asphalt comprises the following components in parts by weight: 100 parts of matrix asphalt, 30 parts of waste thermosetting plastic, 3 parts of modifier, 0.2 part of foaming agent, 0.3 part of foam stabilizer, 0.1 part of stabilizer, 15 parts of vinyl triethoxysilane and 40 parts of water.
The modifier is block copolymer (SBS) modified asphalt.
The foaming agent is fatty alcohol-polyoxyethylene ether sodium sulfate.
The foam stabilizer is silicone polyether emulsion (MPS).
The stabilizer is calcium chloride.
The waste thermosetting plastic is phenolic plastic, aminoplast, epoxy resin, furan resin, unsaturated polyester resin and silicon resin.
Example 5
The waste thermosetting plastic modified asphalt comprises the following components in parts by weight: 100 parts of matrix asphalt, 30 parts of waste thermosetting plastic, 3 parts of modifier, 0.1 part of stabilizer, 15 parts of vinyl triethoxysilane and 40 parts of water.
The modifier is block copolymer (SBS) modified asphalt.
The stabilizer is calcium chloride.
The waste thermosetting plastic is phenolic plastic, aminoplast, epoxy resin, furan resin, unsaturated polyester resin and silicon resin.
Examples 1-5 were prepared as follows (none of the components are skipped for the corresponding steps):
(1) crushing the waste thermosetting plastic, wherein the particle size of the crushed waste thermosetting plastic is less than or equal to 0.2 mm;
(2) heating the matrix asphalt to 120-130 ℃, and adding the waste thermosetting plastic;
(3) mixing modifier, stabilizer, vinyl triethoxysilane and water, and stirring for 30 min;
(4) dripping a foaming agent and a foam stabilizer during stirring, simultaneously adding the foaming agent and the foam stabilizer by 10 times, adding the foaming agent and the foam stabilizer once every 10 seconds, heating to 150 ℃ after the addition is finished, and continuously stirring for 5 minutes;
(5) after the reaction is finished, cooling to 90-100 ℃, adding the defoaming agent for 10 times, adding the defoaming agent once every 30 seconds, continuing stirring for 5 parts of minutes after the dropwise addition is finished, and cooling to room temperature.
Example 6
The composition was the same as in example 2,
(1) crushing the waste thermosetting plastic, wherein the particle size of the crushed waste thermosetting plastic is less than or equal to 0.2 mm;
(2) heating the matrix asphalt to 120-130 ℃, and adding the waste thermosetting plastic;
(3) mixing modifier, stabilizer, vinyl triethoxysilane and water, and stirring for 30 min;
(4) dripping a foaming agent and a foam stabilizer during stirring, simultaneously adding the foaming agent and the foam stabilizer at one time, heating to 150 ℃, and continuously stirring for 5 minutes;
(5) after the reaction is finished, cooling to 90-100 ℃, adding the defoaming agent for 10 times, adding the defoaming agent once every 30 seconds, continuing stirring for 5 parts of minutes after the dropwise addition is finished, and cooling to room temperature.
Example 7
The composition was the same as in example 2,
(1) crushing the waste thermosetting plastic, wherein the particle size of the crushed waste thermosetting plastic is less than or equal to 0.2 mm;
(2) heating the matrix asphalt to 120-130 ℃, and adding the waste thermosetting plastic;
(3) mixing modifier, stabilizer, vinyl triethoxysilane and water, and stirring for 30 min;
(4) dripping a foaming agent and a foam stabilizer during stirring, simultaneously adding the foaming agent and the foam stabilizer by 10 times, adding the foaming agent and the foam stabilizer once every 10 seconds, heating to 150 ℃ after the addition is finished, and continuously stirring for 5 minutes;
(5) and after the reaction is finished, cooling to 90-100 ℃, adding the defoaming agent at one time, continuing stirring for 5 minutes, and cooling to room temperature.
The indices of the asphalts obtained in examples 1 to 7 above are as follows:
Claims (7)
1. the waste thermosetting plastic modified asphalt is characterized in that: the composition comprises the following components in parts by weight: 100 parts of matrix asphalt, 20-40 parts of waste thermosetting plastic, 1-5 parts of modifier, 0.1-0.2 part of foaming agent, 0.2-0.5 part of foam stabilizer, 0.1-0.2 part of defoaming agent, 0.05-0.1 part of stabilizer, 10-20 parts of vinyl triethoxysilane and 30-50 parts of water;
the preparation method of the waste thermosetting plastic modified asphalt comprises the following steps: crushing the waste thermosetting plastic, wherein the particle size of the crushed waste thermosetting plastic is less than or equal to 0.2 mm; heating the matrix asphalt to 120-130 ℃, and adding the waste thermosetting plastic; mixing modifier, stabilizer, vinyl triethoxysilane and water, and stirring for 30 min; dripping a foaming agent and a foam stabilizer during stirring, simultaneously adding the foaming agent and the foam stabilizer by 10 times, adding the foaming agent and the foam stabilizer once every 10 seconds, heating to 150 ℃ after the addition is finished, and continuously stirring for 5 minutes; after the reaction is finished, cooling to 90-100 ℃, adding the defoaming agent for 10 times, adding the defoaming agent once every 30 seconds, continuing stirring for 5 parts of minutes after the dropwise addition is finished, and cooling to room temperature.
2. The waste thermosetting plastic modified asphalt as claimed in claim 1, wherein: the modifier is SBS block copolymer modified asphalt.
3. The waste thermosetting plastic modified asphalt as claimed in claim 1, wherein: the foaming agent is fatty alcohol-polyoxyethylene ether sodium sulfate.
4. The waste thermosetting plastic modified asphalt as claimed in claim 1, wherein: the foam stabilizer is silicone polyether emulsion (MPS).
5. The waste thermosetting plastic modified asphalt as claimed in claim 1, wherein: the defoaming agent is dimethyl silicone oil.
6. The waste thermosetting plastic modified asphalt as claimed in claim 1, wherein: the stabilizer is calcium chloride.
7. The waste thermosetting plastic modified asphalt as claimed in claim 1, wherein: the waste thermosetting plastic is one or more of phenolic plastic, aminoplast, epoxy resin, furan resin, unsaturated polyester resin and silicon resin.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810135825.2A CN108467596B (en) | 2018-02-09 | 2018-02-09 | Waste thermosetting plastic modified asphalt and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810135825.2A CN108467596B (en) | 2018-02-09 | 2018-02-09 | Waste thermosetting plastic modified asphalt and preparation method thereof |
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| Publication Number | Publication Date |
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| CN108467596A CN108467596A (en) | 2018-08-31 |
| CN108467596B true CN108467596B (en) | 2020-09-29 |
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| CN114106573A (en) * | 2021-12-24 | 2022-03-01 | 贵州黔和物流有限公司 | High-elastic modified asphalt for bridge deck pavement |
Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103788668A (en) * | 2013-12-30 | 2014-05-14 | 长沙理工大学 | Composite modified asphalt and preparation method thereof |
| CN103804930A (en) * | 2012-11-07 | 2014-05-21 | 中国石油化工股份有限公司 | Modified emulsified asphalt and preparation method thereof |
| CN104262978A (en) * | 2014-10-23 | 2015-01-07 | 长安大学 | Composite modified asphalt |
| CN104497601A (en) * | 2014-12-26 | 2015-04-08 | 上海浦东路桥建设股份有限公司 | Abandoned thermosetting plastic modified asphalt and modified asphalt mixture |
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2018
- 2018-02-09 CN CN201810135825.2A patent/CN108467596B/en active Active
Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN103804930A (en) * | 2012-11-07 | 2014-05-21 | 中国石油化工股份有限公司 | Modified emulsified asphalt and preparation method thereof |
| CN103788668A (en) * | 2013-12-30 | 2014-05-14 | 长沙理工大学 | Composite modified asphalt and preparation method thereof |
| CN104262978A (en) * | 2014-10-23 | 2015-01-07 | 长安大学 | Composite modified asphalt |
| CN104497601A (en) * | 2014-12-26 | 2015-04-08 | 上海浦东路桥建设股份有限公司 | Abandoned thermosetting plastic modified asphalt and modified asphalt mixture |
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Effective date of registration: 20201217 Address after: Room 608, 6 / F, Zhongxing business enterprise development center, Pingshang Town, Lingang Economic Development Zone, Linyi City, Shandong Province Patentee after: Linyi Xinghuo Intellectual Property Service Co.,Ltd. Address before: Room 12-B, building 2, wangshanyuan, Shuguang garden, Haidian District, Beijing 100089 Patentee before: BEIJING OUMEIZHONG SCIENCE AND TECHNOLOGY Research Institute |