Photosensitive self-crosslinked EPDM waterproofing coiled material and preparation method thereof
A technology of EPDM and waterproof membrane, applied in the field of waterproof materials, can solve the problems of inability to realize hot air welding on the body, limited product application scope, lack of self-crosslinking ability, etc., so as to improve mechanical strength and chemical corrosion resistance. , Reduce equipment investment, good physical performance
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Embodiment 1
[0030] The raw materials used in this embodiment and the usage amount of each raw material are as recorded in Table 1. Composition by mass ratio of 1:1.2; the inorganic fillers used are wet deposition clay and activated calcium carbonate, wherein wet deposition clay and activated calcium carbonate are configured in a mass ratio of 1:1;
[0031] The production process of the waterproof roll:
[0032] S1 rubber compounding: add EPDM rubber, stearic acid, carbon black, inorganic filler, compatibilizer and softener to the internal mixer in sequence according to the formula ratio, set the temperature of the internal mixer to 132°C, and perform internal mixing The time is 10 minutes, and after the specified time is reached, the evenly mixed rubber is discharged;
[0033] S2 Rubber material opening: put the evenly mixed rubber material into the double-roll mill, set the temperature of the rolling rolls to 80°C, and add zinc oxide, magnesium oxide, phthalic anhydride, sulfur, TMTD, 4...
Embodiment 2
[0037] The raw materials used in this embodiment and the usage amount of each raw material are as recorded in Table 1. The photoinitiator is composed of cationic initiator triarylsulfonium salt and alkylsulfonium salt, free radical type photoinitiator benzoin isopropyl ether and Composed of diphenyl ethyl ketone, wherein the mass ratio of triarylsulfonium salt, alkylsulfonium salt, benzoin isopropyl ether and diphenyl ethyl ketone is 1:1:1.2:1.2; the inorganic filler used is montmorillonite;
[0038] The production process of the waterproof roll:
[0039] S1 Compound mixing: Add EPDM rubber, stearic acid, carbon black, inorganic filler, compatibilizer and softener to the internal mixer in sequence according to the formula ratio. The temperature of the internal mixer is 142°C, and the internal mixing time is 8 minutes. , after reaching the specified time, discharge the evenly mixed rubber material;
[0040] S2 Rubber material opening: put the evenly mixed rubber material into th...
Embodiment 3
[0044] The raw materials used in this embodiment and the usage amount of each raw material are as recorded in Table 1. Ratio 1: 1.2 composition; the inorganic filler used is talc powder, and its particle size range is 200-800nm;
[0045] The production process of the waterproof roll:
[0046] S1 rubber compounding: add EPDM rubber, stearic acid, carbon black, inorganic filler, compatibilizer and softener to the internal mixer in sequence according to the formula ratio, the temperature of the internal mixer is 140°C, and the internal mixing time is 10 minutes , after reaching the specified time, discharge the evenly mixed rubber material;
[0047] S2 Rubber material opening: put the evenly mixed rubber material into the double-roll mill, set the temperature of the rolling roll to 90°C, and add zinc oxide, magnesium oxide, phthalic anhydride, sulfur, TMTD, 4-4 in sequence '-dimorpholine disulfide, in the mixing process, thin pass 5 times, pack triangle bag 4 times, and pull ou...
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Abstract
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