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A method for preparing plant asphalt-based pavement regeneration agent
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A technology of plant asphalt and rejuvenating agent, which is applied in building structures, building components, building insulation materials, etc., can solve the problems of unusability, hardening and brittleness, and deterioration of asphalt properties, and achieves obvious economic and social benefits. The effect of the application foreground
Inactive Publication Date: 2017-01-11
乌鲁木齐市城市综合交通项目研究中心
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[0003] During the use of asphalt pavement, a series of physical and chemical changes will occur under the action of various natural factors, such as oxygen, temperature, light, water, etc., resulting in the gradual deterioration of the properties of asphalt, mainly hard and brittle , and ultimately cannot use
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Embodiment 1
[0022] A kind of plant asphalt-based universal pavement regeneration agent and preparation method thereof, comprising the steps of:
[0023] (1), its components and parts by weight ratio are: plant asphalt 30, aromatic hydrocarbon oil 65 with aromatic hydrocarbon content greater than 60%, polymethacrylate 2.5, antioxidant 1010 2.5;
[0024] (2), put polymethacrylate and antioxidant 1010 into the reaction kettle, pump in the aromatic oil, stir, heat up to 100°C, stir for 3 hours, and the stirring speed is 130 rpm;
[0025] (3), store plant asphalt in a storage tank at a constant temperature of 130°C, pump it into the reactor according to the weight, control the reaction temperature at 80°C, stir for 2 hours, and the stirring speed is 130 rpm, wait until Allow to cool naturally.
Embodiment 2
[0027] A kind of plant asphalt-based universal pavement regeneration agent and preparation method thereof, comprising the steps of:
[0028] (1), its components and weight ratio content are: plant asphalt 50, furfural extract oil 35, aromatic hydrocarbon oil 10, ethylene propylene copolymer 1.5, antioxidant 1010 3.5;
[0029] (2), put ethylene propylene copolymer and antioxidant 1010 into the reaction kettle, pump in furfural to extract oil and aromatic oil, stir, heat up to 90°C, stir for 2 hours, and the stirring speed is 130 rpm;
[0030] (3), store plant asphalt in a storage tank with a constant temperature of 130°C, pump it into the reactor according to the weight, control the reaction temperature to 90°C, stir for 1.5 hours, and the stirring speed is 130 rpm, and wait for it to naturally Let cool.
Embodiment 3
[0032] A kind of plant asphalt-based universal pavement regeneration agent and preparation method thereof, comprising the steps of:
[0033] (1), its components and parts by weight are: plant asphalt 60, aromatic oil 30, naphthenic oil 8, ethylene propylene copolymer 1.0, DLTP 1.0;
[0034] (2) Put ethylene propylene copolymer and DLTP into the reaction kettle, pump aromatic oil and naphthenic oil, stir, heat up to 90°C, stir for 2 hours, and the stirring speed is 130 rpm;
[0035] (3), store plant asphalt in a storage tank at a constant temperature of 130°C, pump it into the reactor according to the weight, control the reaction temperature to 100, stir for 1.0 hour, and the stirring speed is 130 rpm, and wait for it to naturally Let cool.
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Abstract
The invention discloses a plant asphalt-based universal road surface reclaiming agent. The plant asphalt-based universal road surface reclaiming agent has very high compatibility with asphalt and comprises the following components in parts by weight: 30 to 60 parts of plant asphalt, 40 to 70 parts of base oil, 1 to 4.0 parts of a viscosity modifier, 0.1 to 4.5 parts of an antioxidant; a method for preparing and using the plant asphalt-based universal road surface reclaiming agent comprises the following steps: (1) throwing the viscosity modifier and the antioxidant into a reaction kettle, pumping the base oil into the reaction kettle by using a pump, stirring, heating to 80 to 100 DEG C, and stirring for 2 to 4 hours, wherein the stirring speed is 80 to 130 rpm, and the base oil is required to be heated to 60 to 80 DEG C and pumped out by using the pump during winter production; (2) storing the plant asphalt in a storage tank at the constant temperature of 130 DEG C, pumping the plant asphalt into the reaction kettle by using the pump according to the weight, controlling the reaction temperature to be 80 to 100 DEG C, stirring for 1 to 3 hours at the stirring speed of 80 to 130 rpm, and naturally cooling. When the plant asphalt is used on site, a reclaiming agent material is directly thrown into the recycled asphalt material during on site use, and the using amount of the plant asphalt is 5 to 30 percent of the recycled asphalt material.
Description
technical field [0001] The invention relates to a method for preparing a plant asphalt-based road surface regeneration agent. Background technique [0002] Plant asphalt is a by-product produced after various processes in the process of extracting edible oil, biodiesel, fatty acid production and wood pulping and papermaking. Therefore, according to the type of oil extracted, plant asphalt is also divided into soybean oil asphalt, rice bran oil asphalt, and cottonseed oil. Asphalt, vegetable oil asphalt, slick oil asphalt, etc., this asphalt is mainly used in the production of adhesives, rubber softeners, cement prefabricated release agents, black printing inks, asphalt paint, etc. Patents CN102304289B, CN10271843A and CN 103013142A add plant asphalt to Petroleum asphalt is used as road asphalt. Changchun Dacheng Industrial Group also applied the plant asphalt produced in road construction and carried out a test road paving. [0003] During the use of asphalt pavement, a se...
Claims
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Application Information
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