Ablation-resistant anti-aging cover for conveying belt and preparation method thereof
An aging-resistant and conveyor belt technology, applied in the field of rubber conveyor belt products, can solve the problems of aging and cracking of conveyor belts, ironing of skeleton materials, and shortened service life, and achieve good economic benefits, cost savings, and improved service life. Effect
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[0021] Example 1
[0022] A kind of anti-ablation and anti-aging conveyor belt covering rubber. The components are calculated by weight: 100 parts of EPDM (4045), 40 parts of carbon black N330, 3 parts of dicumyl peroxide (DCP), Triallyl isocyanurate (TAIC) 0.5 parts, zinc oxide 5 parts, magnesium oxide 5 parts, paraffin oil 10 parts, antioxidant RD 1 part, antioxidant MB 1 part, aramid chopped fiber 5 parts , 5 parts of ammonium polyphosphate (APP), 10 parts of pentaerythritol, 3 parts of maleic anhydride grafted polybutadiene.
[0023] The preparation method of abrasion and aging resistant conveyor belt cover rubber includes the following steps:
[0024] (1) One-stage mixing: Put the EPDM rubber into the internal mixer and mix for 2 minutes; then open the top plug, add carbon black, zinc oxide, magnesium oxide, paraffin oil, antioxidant RD, antioxidant MB, Aramid chopped fiber, ammonium polyphosphate (APP), pentaerythritol, maleic anhydride grafted polybutadiene, close the top pl...
Example Embodiment
[0027] Example 2
[0028] A kind of anti-ablation and anti-aging conveyor belt covering rubber. The components are calculated by weight: 100 parts of EPDM rubber (4045), 10 parts of precipitation white carbon black, 50 parts of carbon black N550, and two different peroxides. 5 parts of propylene benzene (DCP), 0.5 parts of triallyl isocyanurate (TAIC), 10 parts of zinc oxide, 5 parts of magnesium oxide, 15 parts of paraffin oil, 1.5 parts of antioxidant RD, 1.5 parts of antioxidant MB , 5 parts of aramid pulp pre-dispersed with master batch, 20 parts of zinc borate, 15 parts of phenolic resin, 3 parts of maleic anhydride grafted polybutadiene.
[0029] The preparation method of abrasion and aging resistant conveyor belt cover rubber includes the following steps:
[0030] (1) One-stage mixing: Put the EPDM rubber into the internal mixer and mix for 2 minutes; then open the top plug, add white carbon black, carbon black, zinc oxide, magnesium oxide, paraffin oil, antioxidant RD, Anti...
Example Embodiment
[0033] Example 3
[0034] A kind of anti-ablation and anti-aging conveyor belt covering rubber. The components are calculated by weight: 100 parts of EPDM rubber (4045), 20 parts of precipitation method white carbon black, 50 parts of carbon black N550, and two different peroxides. 5 parts of propylene benzene (DCP), 1.5 parts of triallyl isocyanurate (TAIC), 20 parts of zinc oxide, 5 parts of magnesium oxide, 20 parts of paraffin oil, 2 parts of antioxidant RD, 2 parts of antioxidant MB , 8 parts of short glass fiber, 20 parts of decabromodiphenylethane, 20 parts of phenolic resin, 2 parts of γ-aminopropyl triethoxysilane (KH-550).
[0035] The preparation method of abrasion and aging resistant conveyor belt cover rubber includes the following steps:
[0036] (1) One-stage mixing: Put the EPDM rubber into the internal mixer and mix for 2 minutes; then open the top plug, add white carbon black, carbon black, zinc oxide, magnesium oxide, paraffin oil, antioxidant RD, Anti-aging agen...
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