Self-lubricating high-wear resistance oil seal and production method thereof
A high wear-resistant and self-lubricating technology, applied in the field of rubber, can solve the problems of poor wear resistance of oil seals, troublesome replacement, engine overhaul, etc., and achieve the effects of small friction coefficient, improved oil resistance and long service life
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[0023] Example 1
[0024] A self-lubricating high wear-resistant oil seal rubber composition made of the following raw materials by weight: 80 parts of fluorine rubber (AH130 produced by Shanghai East Fluorochemical), 20 parts of polytetrafluoroethylene, N-isopropyl- N'-phenyl-p-phenylenediamine (anti-aging agent 4010NA) 2 parts, 2,2,4-trimethyl-1,2-dichloroquinoline polymer (anti-aging agent RD) 2 parts, semi-refined 46# 3 parts of wax, 6 parts of paraffin oil, 40 parts of N-234, 5 parts of erucamide, 3 parts of WB212, 2 parts of sulfur, 6 parts of active zinc oxide, 1 part of stearic acid, N-tert-butyl-2-benzene 1.6 parts of thiazole sulfenamide (accelerator NS); 0.4 parts of zinc dibutyl dithiocarbamate (accelerator BZ).
[0025] Put the fluororubber and polytetrafluoroethylene into an internal mixer for banburying at a temperature of 100°C for 1 min; then add p-phenylenediamine antioxidants, dihydroquinoline antioxidants, physical antioxidants, active agents, Smoothing agent,...
Example Embodiment
[0026] Example 2
[0027] A self-lubricating high wear-resistant oil seal rubber composition made of the following raw materials in parts by weight: 75 parts of fluorine rubber (AH130 produced by Shanghai East Fluorochemical), 25 parts of polytetrafluoroethylene, N-(1, 3 -Dimethylbutyl)-N'-phenyl-p-phenylenediamine (anti-aging agent 4020) 2 parts, 2,2,4-trimethyl-1,2-dichloroquinoline polymer (anti-aging agent RD ) 1.8 parts, semi-refined 46﹟wax 4 parts, paraffin oil 5 parts, N-234 38 parts, erucamide 6 parts, WB212 2.5 parts, sulfur 2.5 parts, zinc stearate 5 parts, stearic acid 1.5 parts, N-tert-butyl-2-benzothiazole sulfenamide (accelerator NS) 1.5 parts; zinc dibutyl dithiocarbamate (accelerator BZ) 0.5 parts.
[0028] Put the fluororubber and polytetrafluoroethylene into an internal mixer for banburying at a temperature of 120°C and a time of 1min; then p-phenylenediamine antioxidants, dihydroquinoline antioxidants, physical antioxidants, active agents, Smoothing agent, disp...
Example Embodiment
[0029] Example 3
[0030] A self-lubricating high wear-resistant oil seal rubber composition made of the following raw materials in parts by weight: 65 parts of fluorine rubber (AH130 produced by Shanghai East Fluorochemical), 35 parts of polytetrafluoroethylene, N-isopropyl- N'-phenyl-p-phenylenediamine (anti-aging agent 4010NA) 2.5 parts, 2,2,4-trimethyl-1,2-dichloroquinoline polymer (anti-aging agent RD) 2.5 parts, semi-refined 46﹟ Wax 4 parts, paraffin oil 4 parts, N-234 44 parts, erucamide 6 parts, WB212 2 parts, sulfur 2 parts, zinc oxide 7 parts, stearic acid 1.5 parts, accelerator CZ 1 part, accelerator DM 0.3 Copies.
[0031] Put the fluororubber and polytetrafluoroethylene into an internal mixer for banburying at a temperature of 110°C and a time of 1 min; then p-phenylenediamine antioxidants, dihydroquinoline antioxidants, physical antioxidants, active agents, Smoothing agent, dispersant and stearic acid are put into the banbury mixing in proportion, the mixing tem...
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