Preparation method of wear-resistant and corrosion-resistant rubber pipe
A rubber tube and corrosion-resistant technology, applied in the field of rubber products, can solve the problems of poor acid and alkali corrosion resistance and poor wear resistance of transmission rubber pipes, and achieve the effects of accelerating molding, strengthening wear resistance, and improving low temperature flexibility and elasticity
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Embodiment 1
[0034] Preparation of macromolecular coupling agent:
[0035] In parts by weight, add 200 parts of ethyl acetate into a four-necked flask, and heat it in a water bath to 50°C under a nitrogen atmosphere, 20 parts of glycidyl methacrylate, 55 parts of n-butyl methacrylate, 18 parts Maleic anhydride, 1 part of azobisisobutyronitrile, 2 parts of dodecyl mercaptan, first stirred for 30 minutes, then heated to 60 ° C, kept warm and stirred for 3 hours to obtain a viscous liquid, washed with n-hexane, and removed the upper layer liquid, after being washed twice, vacuum-dried to constant weight to obtain a macromolecular coupling agent;
[0036] Preparation of modified nano aluminum nitride:
[0037] In parts by weight, pour 40 parts of nano-aluminum nitride powder into a stirred reactor, add 300 parts of acetone as a reaction solvent, heat up in a water bath, stir at a speed of 500r / min, and add the above-mentioned macromolecular coupling agent GBM, control the temperature of the ...
Embodiment 2
[0048] Preparation of macromolecular coupling agent:
[0049] In parts by weight, 210 parts of ethyl acetate were added to a four-necked flask, and under a nitrogen atmosphere, the temperature was raised to 52.5°C in a water bath, 22.5 parts of glycidyl methacrylate, 57.5 parts of n-butyl methacrylate, 19 parts Maleic anhydride, 1.5 parts of azobisisobutyronitrile, and 2.5 parts of dodecanethiol were first stirred for 32.5 minutes, then heated to 62.5°C, and kept for 3.5 hours with stirring to obtain a viscous liquid, which was washed with n-hexane. Remove the upper liquid, wash 2.5 times, and vacuum-dry to constant weight to obtain a macromolecular coupling agent;
[0050] Preparation of modified nano aluminum nitride:
[0051] In parts by weight, pour 45 parts of nano-aluminum nitride powder into a stirred reactor, add 325 parts of acetone as a reaction solvent, heat up in a water bath, stir at a speed of 750r / min, and add the above-mentioned macromolecular coupling agent ...
Embodiment 3
[0062] Preparation of macromolecular coupling agent:
[0063] In parts by weight, add 220 parts of ethyl acetate into a four-necked flask, and heat it in a water bath to 55°C under a nitrogen atmosphere, 25 parts of glycidyl methacrylate, 60 parts of n-butyl methacrylate, 20 parts Maleic anhydride, 2 parts of azobisisobutyronitrile, and 3 parts of dodecylmercaptan were first stirred and reacted for 35 minutes, then heated to 65°C, kept warm and stirred for 4 hours to obtain a viscous liquid, washed with n-hexane, and the upper layer was removed Liquid, after washing 3 times, vacuum-dried to constant weight to obtain macromolecular coupling agent;
[0064] Preparation of modified nano aluminum nitride:
[0065] In parts by weight, pour 50 parts of nano-aluminum nitride powder into a stirred reactor, add 350 parts of acetone as a reaction solvent, heat up in a water bath, stir at a speed of 1000r / min, and add the above-mentioned macromolecular coupling agent GBM, control the t...
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