JPWO2022085641A5 - - Google Patents
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- JPWO2022085641A5 JPWO2022085641A5 JP2022557532A JP2022557532A JPWO2022085641A5 JP WO2022085641 A5 JPWO2022085641 A5 JP WO2022085641A5 JP 2022557532 A JP2022557532 A JP 2022557532A JP 2022557532 A JP2022557532 A JP 2022557532A JP WO2022085641 A5 JPWO2022085641 A5 JP WO2022085641A5
- Authority
- JP
- Japan
- Prior art keywords
- asphalt
- lignin
- producing
- temperature
- mixing step
- 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.)
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- 239000010426 asphalt Substances 0.000 claims 32
- 229920005610 lignin Polymers 0.000 claims 20
- 239000000203 mixture Substances 0.000 claims 19
- 238000004519 manufacturing process Methods 0.000 claims 15
- 239000002994 raw material Substances 0.000 claims 5
- 239000000945 filler Substances 0.000 claims 4
- 230000009477 glass transition Effects 0.000 claims 3
- 229920005611 kraft lignin Polymers 0.000 claims 1
- 238000003756 stirring Methods 0.000 claims 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims 1
Claims (15)
前記リグニンのガラス転移温度である所定温度以下の前記リグニンと、前記所定温度以下の前記アスファルトとを開放系で混合する第１混合工程を含む
ことを特徴とするアスファルト組成物の製造方法。A method for producing an asphalt composition comprising lignin and asphalt,
A method for producing an asphalt composition, comprising: a first mixing step of mixing the lignin at a predetermined temperature or lower, which is the glass transition temperature of the lignin, and the asphalt at the predetermined temperature or lower in an open system.
ことを特徴とする請求項１に記載のアスファルト組成物の製造方法。2. The method for producing an asphalt composition according to claim 1, wherein in the first mixing step, the lignin having a temperature equal to or lower than the predetermined temperature is mixed while stirring the asphalt having a temperature equal to or lower than the predetermined temperature.
ことを特徴とする請求項１又は２に記載のアスファルト組成物の製造方法。The method for producing an asphalt composition according to claim 1 or 2, wherein the temperature of the asphalt to be mixed is 60°C or higher.
ことを特徴とする請求項１又は２に記載のアスファルト組成物の製造方法。In the first mixing step, the lignin and the asphalt are mixed so that the lignin is more than 0 parts by mass and 50 parts by mass or less in a total of 100 parts by mass of the lignin and the asphalt. 3. A method for producing an asphalt composition according to 1 or 2.
ことを特徴とする請求項１又は２に記載のアスファルト組成物の製造方法。The method for producing an asphalt composition according to claim 1 or 2, wherein the lignin includes dried kraft lignin.
ことを特徴とする請求項１又は２に記載のアスファルト組成物の製造方法。The method for producing an asphalt composition according to claim 1 or 2, wherein the asphalt includes straight asphalt.
ことを特徴とする請求項１又は２に記載のアスファルト組成物の製造方法。The method for producing an asphalt composition according to claim 1 or 2, wherein the asphalt contains recycled asphalt aggregate.
ことを特徴とする請求項１又は２に記載のアスファルト組成物の製造方法。The method for producing an asphalt composition according to claim 1 or 2, further comprising a holding step of holding the mixture at a temperature equal to or lower than the predetermined temperature for a predetermined time after the first mixing step.
前記リグニン、前記アスファルト及び前記骨材を、前記リグニンのガラス転移温度である所定温度以下の状態で混合する原料混合工程を含み、
前記原料混合工程は、
前記リグニンのガラス転移温度である所定温度以下の前記リグニンと、前記所定温度以下の前記アスファルトとを開放系で混合する第１混合工程と、
前記第１混合工程により製造したアスファルト組成物と、前記骨材と、を少なくとも混合する第２混合工程と、を含む
ことを特徴とするアスファルト混合物の製造方法。A method for producing an asphalt mixture comprising lignin, asphalt and aggregate, comprising:
A raw material mixing step of mixing the lignin, the asphalt and the aggregate at a temperature below a predetermined temperature, which is the glass transition temperature of the lignin,
The raw material mixing step includes
A first mixing step of mixing the lignin below a predetermined temperature, which is the glass transition temperature of the lignin, and the asphalt below the predetermined temperature in an open system;
A method for producing an asphalt mixture, comprising: a second mixing step of mixing at least the asphalt composition produced in the first mixing step and the aggregate.
ことを特徴とする請求項１１に記載のアスファルト混合物の製造方法。12. The method for producing an asphalt mixture according to claim 11, wherein in the second mixing step, the asphalt composition having a temperature lower than the predetermined temperature is mixed with the aggregate having a temperature lower than the predetermined temperature.
ことを特徴とする請求項１０に記載のアスファルト混合物の製造方法。10. In the raw material mixing step, the lignin and the asphalt are mixed so that the lignin is more than 0 parts by mass and 50 parts by mass or less in a total of 100 parts by mass of the lignin and the asphalt. A method for producing an asphalt mixture according to 1.
ことを特徴とする請求項１０に記載のアスファルト混合物の製造方法。10. In the raw material mixing step, a hydrous lignin containing the lignin and water is mixed with an aggregate having a temperature equal to or higher than the predetermined temperature so that the lignin is maintained at a temperature equal to or lower than the predetermined temperature. A method for producing an asphalt mixture according to 1.
前記リグニンと前記フィラーとの混合物１００質量部に対し前記フィラーが５０質量部以下になるように、前記フィラーを混合する
ことを特徴とする請求項１０に記載のアスファルト混合物の製造方法。In the raw material mixing step, a filler is further mixed,
The method for producing an asphalt mixture according to claim 10, wherein the filler is mixed so that the filler is 50 parts by mass or less with respect to 100 parts by mass of the mixture of the lignin and the filler.
Applications Claiming Priority (2)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP2020175639 | 2020-10-19 | ||
| PCT/JP2021/038477 WO2022085641A1 (en) | 2020-10-19 | 2021-10-18 | Asphalt composition manufacturing method and asphalt mixture manufacturing method |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| JPWO2022085641A1 JPWO2022085641A1 (en) | 2022-04-28 |
| JPWO2022085641A5 true JPWO2022085641A5 (en) | 2023-08-29 |
Family
ID=81290822
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| JP2022557532A Pending JPWO2022085641A1 (en) | 2020-10-19 | 2021-10-18 |
Country Status (3)
| Country | Link |
|---|---|
| JP (1) | JPWO2022085641A1 (en) |
| CN (1) | CN116323805A (en) |
| WO (1) | WO2022085641A1 (en) |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3704077B2 (en) * | 2001-01-24 | 2005-10-05 | 花王株式会社 | Asphalt emulsion composition |
| JP2004143243A (en) * | 2002-10-23 | 2004-05-20 | Toa Doro Kogyo Co Ltd | Asphalt emulsion mixture |
| CN112724692A (en) * | 2020-12-17 | 2021-04-30 | 华运通达(广东)道路科技有限公司 | Modified asphalt using lignin and preparation method thereof |
-
2021
- 2021-10-18 CN CN202180070505.3A patent/CN116323805A/en active Pending
- 2021-10-18 WO PCT/JP2021/038477 patent/WO2022085641A1/en active Application Filing
- 2021-10-18 JP JP2022557532A patent/JPWO2022085641A1/ja active Pending
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