A kind of preparation method of geotechnical composite anti-seepage material
A compound anti-seepage and kneader technology, which is applied in the field of preparation of geotechnical composite anti-seepage materials, can solve the problems of loss of anti-seepage effect, uncoordinated deformation, fracture, etc., to achieve improved compatibility, low cost, and avoid excessive pores big effect
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Embodiment 1
[0016] A preparation method of a geotechnical composite anti-seepage material, comprising the following steps:
[0017] (1) In parts by weight, mix 36 parts of EPDM rubber powder and 55 parts of polyethylene masterbatch evenly, then add them to 70 parts of modified liquid, heat the mixture to 88°C, and heat it for 2 hours. Then filter, and add the filter residue to a kneader for mixing to obtain a copolymer, wherein the modified liquid is made of the following components by weight: 6 parts of isopropanol pinacol borate, 3 parts of D-methyl lactate 11 parts of castor oil, 39 parts of absolute ethanol;
[0018] (2) In parts by weight, add 46 parts of copolymer, 2 parts of coupling agent, 4 parts of triethyl trimesate, and 5 parts of tetrabutylammonium fluoride into the extruder, and extrude for 2 minutes;
[0019] (3) Add the salt solution dropwise into the plasticizing section of the extruder, and then extrude, cool, and granulate to obtain a functional masterbatch, wherein th...
Embodiment 2
[0024] A preparation method of a geotechnical composite anti-seepage material, comprising the following steps:
[0025] (1) In parts by weight, mix 38 parts of EPDM rubber powder and 58 parts of polyethylene masterbatch evenly, add them to 73 parts of modified liquid, heat the mixture to 90°C, and heat it for 2.5 hours. Then filter, and add the filter residue to a kneader for mixing to obtain a copolymer, wherein the modified liquid is made of the following components by weight: 7 parts of isopropanol pinacol borate, 4 parts of D-methyl lactate 13 parts of castor oil, 41 parts of absolute ethanol;
[0026] (2) In parts by weight, add 50 parts of copolymer, 3 parts of coupling agent, 6 parts of triethyl trimesate, and 7 parts of tetrabutylammonium fluoride into the extruder, and extrude for 3 minutes;
[0027] (3) Add the salt solution dropwise into the plasticizing section of the extruder, and then extrude, cool, and granulate to obtain a functional masterbatch, wherein the s...
Embodiment 3
[0032] A preparation method of a geotechnical composite anti-seepage material, comprising the following steps:
[0033] (1) In parts by weight, mix 42 parts of EPDM rubber powder and 60 parts of polyethylene masterbatch evenly, add them to 75 parts of modified liquid, heat the mixture to 92 ° C, and heat-preserve it for 3 hours. Then filter, add the filter residue to a kneader and knead to obtain a copolymer, wherein the modified liquid is made of the following components by weight: 8 parts of isopropanol pinacol borate, 5 parts of D-methyl lactate 14 parts of castor oil, 44 parts of absolute ethanol;
[0034] (2) In parts by weight, add 52 parts of copolymer, 5 parts of coupling agent, 8 parts of triethyl trimesate, and 9 parts of tetrabutylammonium fluoride into the extruder, and extrude for 4 minutes;
[0035] (3) Add the salt solution dropwise into the plasticizing section of the extruder, and then extrude, cool, and granulate to obtain a functional masterbatch, wherein t...
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