High-performance styrene-butadiene-styrene block copolymer (SBS) modified emulsified asphalt and preparation method thereof
An emulsified asphalt, high-performance technology, used in building components, building insulation materials, buildings, etc., can solve the problem that it cannot be used for sealing layers, adhesive layers, bridge deck waterproof bonding layers, and the improvement effect of modified emulsified asphalt is not as good as that of SBS, It does not have the problems of emulsified asphalt safety, energy saving, environmental protection, etc., and achieves the effect of good low temperature performance, high temperature performance improvement, and low temperature performance improvement.
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Embodiment 1
[0030] The SBS modified emulsified asphalt of the present invention is made of the following components in parts by weight:
[0031] SK70 asphalt 561 parts
[0032] SBS 1301 12 copies
[0033] EVA wax 5 parts
[0034] AA63D 2 copies
[0035] 420 parts of water
[0036]SK70 asphalt is produced by SK Group of South Korea; SBS 1301 is produced by Beijing Yanshan Petrochemical Co., Ltd.; AA63D is produced by MeadWestvaco of the United States; EVA wax is produced by Qingdao Sinoplastic Economic Development Co., Ltd., model EVA-Wax300.
[0037] A kind of preparation method of high-performance SBS modified emulsified asphalt of the present invention, carry out according to the following steps:
[0038] (1) Prepare each component according to the aforementioned weight ratio;
[0039] (2) Heat SK70 asphalt to 170°C, add SBS 1301 and EVA wax and stir for 30 minutes, then disperse SBS 1301 and EVA wax into SK70 asphalt by high-speed shearing for 30 minutes, and control the temperatu...
Embodiment 2
[0044] The SBS modified emulsified asphalt of the present invention is made of the following components in parts by weight:
[0045] Donghai No. 90 asphalt 604.5 parts
[0046] SBS 3501 25 copies
[0047] EVA wax 15 parts
[0048] INDULIN DF62 5 parts
[0049] 0.5 parts of methyl cellulose
[0050] 350 parts of water
[0051] Donghai No. 90 bitumen is "Donghai Brand" No. 90 bitumen produced by China Petrochemical Corporation; SBS 3501 is produced by Li Changrong Chemical Industry Co., Ltd.; INDULIN DF62 is produced by MeadWestvaco of the United States; EVA wax is produced by Qingdao Sinoplastic Economic Development Co., Ltd. Produced, model EVA-Wax300.
[0052] A kind of preparation method of high-performance SBS modified emulsified asphalt of the present invention, carry out according to the following steps:
[0053] (1) Prepare each component according to the aforementioned weight ratio;
[0054] (2) Heat Donghai No. 90 asphalt to 180°C, add SBS 3501 and EVA wax and s...
Embodiment 3
[0059] The SBS modified emulsified asphalt of the present invention is made of the following components in parts by weight:
[0060] SK90 bitumen 649 parts
[0061] SBS 1301 18 copies
[0062] EVA wax 12 parts
[0063] MQ3 20 copies
[0064] Sodium carboxymethyl cellulose 1 part
[0065] 300 parts of water
[0066] SK90 asphalt is produced by SK Group of South Korea; SBS 1301 is produced by Beijing Yanshan Petrochemical Co., Ltd.; MQ3 is produced by MeadWestvaco of the United States; EVA wax is produced by Anhui Yiwei Wax Industry Co., Ltd., model EVA-ZL1 .
[0067] A kind of preparation method of high-performance SBS modified emulsified asphalt of the present invention, carry out according to the following steps:
[0068] (1) Prepare each component according to the aforementioned weight ratio;
[0069] (2) Heat SK90 asphalt to 185°C, add SBS 1301 and EVA wax and stir for 30 minutes, then disperse SBS 1301 and EVA wax into SK90 asphalt through a colloid mill for 90 mi...
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