Hybrid modified EG preparation method
A modified and hybrid technology, applied in one-component copolyester rayon and other directions, can solve the problems of single and immutable EG varieties, achieve good mutual integration, full synergy effect, and improve overall function and quality effect. Effect
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Embodiment 1
[0043] A preparation method of hybrid modified EG, comprising the steps of:
[0044] (1) the concentration of 70 parts by weight is 10 wt% aqueous citric acid, 10 parts of indium vanadate, 10 parts of cerium oxide, 3.5 parts of montmorillonite, 17 parts of hydrobromic acid with a concentration of 3 wt%. Aqueous solution, 3.5 parts of graphene oxide and 2 parts of tin oxide were mixed, moved to a hydrothermal reactor, continuously stirred and reacted for 5 hours at a temperature of 115°C and a pressure of 0.4MPa, then cooled naturally under stirring, and used at 42°C Grind with liquid in a high-energy ball mill for 3 hours, filter, and then calcined at 490°C for 5 hours, fully washed with deionized water, vacuum-dried at 87°C, and then ground for 3.5 hours with a ball mill, and sieved through a 250-mesh EG special anti-aging agent;
[0045] (2) Add successively 10.5% propylene glycol, 1.5% butanediol, 0.9% lactic acid and 8% EG special anti-aging agent prepared by (1) by EG wei...
Embodiment 2
[0049] A preparation method of hybrid modified EG, comprising the steps of:
[0050] (1) the concentration of 67 parts by weight is the hydrobromic acid of 5wt% the concentration of 5wt% citric acid aqueous solution, 8 parts of indium vanadate, 8 parts of cerium oxide, 3 parts of montmorillonite, 10 parts Aqueous solution, 3 parts of graphene oxide and 1 part of tin oxide were mixed, moved to a hydrothermal reactor, continuously stirred and reacted for 6 hours at a temperature of 120°C and a pressure of 0.3MPa, then cooled naturally under stirring, and used at 45°C Grind with liquid in a high-energy ball mill for 2 hours, filter, and then calcined at 500°C for 6 hours, fully washed with deionized water, vacuum-dried at 85°C, and then ground for 5 hours with a ball mill, and sieved through a 300-mesh EG special anti-aging agent;
[0051] (2) Add successively 10% propylene glycol, 2% butanediol, 0.8% lactic acid and 12% EG special anti-aging agent prepared by (1), 5% oxidation ...
Embodiment 3
[0055] A preparation method of hybrid modified EG, comprising the steps of:
[0056] (1) the concentration of 60 parts by weight is 10 wt% aqueous citric acid solution, 10 parts of indium vanadate, 8 parts of cerium oxide, 3 parts of montmorillonite, 14 parts of hydrobromic acid with a concentration of 3 wt%. Aqueous solution, 3 parts of graphene oxide and 2 parts of tin oxide were mixed, moved to a hydrothermal reactor, continuously stirred and reacted at 115°C and 0.4MPa pressure for 5h, then cooled naturally under stirring, and used at 45°C Grind with liquid in a high-energy ball mill for 3 hours, filter, then calcinate at 490°C for 5 hours, fully wash with deionized water, dry in vacuum at 90°C, grind for 5 hours with a ball mill, and pass through a 300-mesh sieve to obtain EG special anti-aging agent;
[0057] (2) Add successively 11% propylene glycol, 1% butanediol, 1% lactic acid and 8% EG special anti-aging agent prepared by (1) by EG weight, 3% oxidation Magnesium, 1...
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