Flame-retardant cable insulating material containing pleonaste
An insulating material, flame retardant cable technology, applied in insulators, organic insulators, plastic/resin/wax insulators, etc., can solve problems such as unsatisfactory flame retardant performance, improve power saving performance, increase the number of traps, and efficiently resist burning effect
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Embodiment 1
[0027] (1) Preparation of composite magnesium iron spinel MgAl 2 o 4 / ZIF-90:
[0028] (a)MgAl 2 o 4 Preparation: weigh 0.02molMg(NO 3 ) 2 · 6H 2 O, 0.04molAl(NO 3 ) 3 9H 2 O was dissolved in 50ml of deionized edema to prepare a mixed salt solution. Take 0.04molNa2CO3 and 0.06molNaOH and dissolve them in 50ml of deionized water, then stir rapidly, add the salt solution to the alkali solution, keep the pH at 9-11, mix well, and The precipitate was filtered and washed with deionized water until neutral. Dry in an oven at 80°C for 8 hours. Then bake in a muffle furnace at 800°C for 4-6h.
[0029] (b) Preparation of ZIF-90: Zn(NO 3 ) 2 6H 2 O (2.1mmol) and imidazole-2-carboxaldehyde ICA (3.0mmol) were dissolved in 30mL of DMF and stirred evenly. The resulting reaction solution was transferred to a 40mL polytetrafluoroethylene-lined reactor and reacted at 100°C for 18h and naturally cooled. to room temperature for later use;
[0030] (c) MgAl 2 o 4 Add it into t...
Embodiment 2
[0033] (1) Preparation of composite magnesium iron spinel MgAl 2 o 4 / ZIF-90:
[0034] (a)MgAl 2 o 4 Preparation: Weigh 0.02molMg(NO3)2 6H2O and 0.04molAl(NO3)3 9H2O and dissolve them in 50ml of deionized edema respectively to obtain a mixed salt solution. Take 0.04molNa2CO3 and 0.06molNaOH and dissolve them in 50ml of deionized water, and then stir rapidly. Add the salt solution to the alkaline solution to keep the pH at 9-11, mix well, filter the precipitate, and wash with deionized water until neutral. Dry in an oven at 100°C for 10 hours. Then it was fired in a muffle furnace at 800°C for 4h.
[0035] (b) Preparation of ZIF-90: Zn(NO 3 ) 2 · 6H 2 O (2.1mmol) and imidazole-2-carboxaldehyde ICA (3.0mmol) were dissolved in 30mL of DMF and stirred evenly. The resulting reaction solution was transferred to a 40mL polytetrafluoroethylene-lined reactor and reacted at 100°C for 18h and naturally cooled. to room temperature for later use;
[0036] (c) MgAl 2 o 4 Add it ...
Embodiment 3
[0039] (1) Preparation of composite magnesium iron spinel MgAl 2 o 4 / ZIF-90:
[0040] (a)MgAl 2 o 4 Preparation: weigh 0.02molMg(NO3) respectively 26H 2 O, 0.04molAl(NO 3 )3 9H2O was dissolved in 50ml of deionized edema to prepare a mixed salt solution. Take 0.04molNa2CO3 and 0.06molNaOH and dissolve them in 50ml of deionized water, then stir rapidly, add the salt solution to the alkali solution, keep the pH at 9-11, and mix well , filter the precipitate, and wash with deionized water until neutral. Dry in an oven at 80°C for 10 hours. Then it was fired in a muffle furnace at 800°C for 6h.
[0041] (b) Preparation of ZIF-90: Zn(NO 3 ) 2 6H 2 O (2.1mmol) and imidazole-2-carboxaldehyde ICA (3.0mmol) were dissolved in 30mL of DMF and stirred evenly. The resulting reaction solution was transferred to a 40mL polytetrafluoroethylene-lined reactor and reacted at 100°C for 18h and naturally cooled. to room temperature for later use;
[0042] (c) MgAl 2 o 4 Add it into...
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