Ethylene propylene diene monomer rubber composite material and preparation method thereof
A technology for EPDM rubber and composite materials, which is applied in the fields of EPDM rubber composite materials and their preparation, carbon fiber reinforced EPDM rubber composite materials and their preparation fields, can solve problems such as use effects, and achieve improvement Interface bonding, simple preparation process control, and improved physical and mechanical strength
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Embodiment 1
[0025] Step 1, adding stearic acid into ethanol to prepare a treatment solution with a mass concentration of 1.0%, in parts by weight, immersing 25 parts of polyacrylonitrile-based carbon fiber fabrics with a pore spacing of 0.1 mm into 25 parts of the treatment solution, soaking for 12 hours, and then dried at 80°C for 4 hours;
[0026] Step 2. Put 50 parts of EPDM rubber CP80 into a double-roller mill in parts by weight, and carry out kneading at 110°C for 15 minutes; place the kneaded material in a mold, and At a pressure of 100kg.cm -2 Calendering is carried out at a temperature of 120°C to prepare an EPDM sheet with a thickness of 0.5 mm, and then the dry carbon fiber treated with the treatment liquid is sandwiched between the pressed two-layer EPDM sheet, Put it in the mold again at a pressure of 100kg.cm -2 Calendering is carried out under the condition of a temperature of 120° C. to prepare a sheet with a thickness of 1.0 mm;
[0027] Step 3: After cooling the sheet...
Embodiment 2
[0029] Step 1. Add silane coupling agent KH-540 into ethanol to prepare a treatment solution with a mass concentration of 0.8%. In parts by weight, 30 parts of phenolic-based carbon fiber fabrics with a pore spacing of 0.4 mm are immersed in 40 parts of the treatment solution. Soak for 15 hours, then dry at 80°C for 4 hours;
[0030] Step 2. Put 50 parts of EPDM J4045 into a double-roll mill in parts by weight, and carry out the milling at 120°C, add 3 parts of 1,6-hexanediol diacrylate, and mix 20 minutes; place the kneaded material in the mold, and -2 Calendering is carried out at a temperature of 120°C to prepare a EPDM sheet with a thickness of 1 mm, and then the dry carbon fiber treated with the treatment liquid is sandwiched between the pressed two-layer EPDM sheet, Put it in the mold again at a pressure of 140kg.cm -2 Calendering is carried out under the condition of a temperature of 120° C., and a sheet with a thickness of 2.0 mm is prepared;
[0031] Step 3. After ...
Embodiment 3
[0033] Step 1. Add silane coupling agent KH-560 into epichlorohydrin to prepare a treatment solution with a mass concentration of 0.9%. In parts by weight, 40 parts of viscose-based carbon fiber fabrics with a pore spacing of 0.2 mm are immersed in 50 parts Soak in the treatment solution for 15 hours, then dry at 70°C for 8 hours;
[0034] Step 2: Put 50 parts of EPDM rubber 1705 into a double-roll mill in parts by weight, and carry out kneading at 110°C for 16 minutes; place the kneaded material in a mold, and At a pressure of 150kg.cm -2 Calendering is carried out at a temperature of 110°C to prepare a EPDM sheet with a thickness of 0.5 mm, and then the dry carbon fiber treated with the treatment liquid is sandwiched between the pressed two-layer EPDM sheet, Put it in the mold again at a pressure of 150kg.cm-2 Calendering is carried out under the condition of a temperature of 110° C., and a sheet having a thickness of 1.0 mm is prepared;
[0035] Step 3. After the sheet is...
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