A preparation method of a compatibilizer containing multifunctional groups with controllable polarity
A multi-functional group and compatibilizer technology, applied in the production of bulk chemicals, etc., can solve the problems of weak two-phase interface adhesion, single structure, narrow application range, etc., to solve poor compatibility, reduce The effect of interfacial tension and size adjustable and controllable
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Embodiment 1
[0029] (1) Epoxypropyltrimethylammonium chloride (>96%, Dongying Yisheng Petroleum Technology Development Co., Ltd.) is added to the graphene oxide aqueous solution with a concentration of 1.00g / L until the solution becomes clear and transparent, and the room temperature React for 2 hours. The obtained flocculent precipitate was filtered, washed and dried to obtain intermediate 1. Wherein, the glycidyltrimethylammonium chloride add-on in the solution is 2.75g / L.
[0030] (2) Add 0.05mol of epichlorohydrin (analytically pure, Tianjin Bodi Chemical Co., Ltd.) dropwise to a reactor containing 0.05mol tetraethylenepentamine (analytical pure, Tianjin Fuchen Chemical Reagent Factory) , 40ml of water was used as a solvent, the temperature was maintained at 50°C, the dropwise addition was completed in 0.5h, and the reaction was carried out at 99°C for 8 hours. Rotary evaporation was carried out after cooling down. The temperature of the rotary evaporation was set at 65° C. for 2 hou...
Embodiment 2
[0039] (1) Glycidyltriethylammonium bromide was added to a graphene oxide aqueous solution with a concentration of 1.20 g / L until the solution became clear and transparent, and reacted at room temperature for 2 hours. The obtained flocculent precipitate was filtered, washed and dried to obtain intermediate 1. Wherein, the glycidyltriethylammonium bromide add-on in the solution is 2.80g / L.
[0040] (2) Add 0.06 mol of epichlorohydrin dropwise to a reactor containing 0.06 mol of diethylenetriamine, and 40 ml of water as a solvent. The temperature is maintained at 45° C. After 0.5 hours of dropping, react at 98° C. 8 hours. Rotary evaporation was carried out after cooling down. The temperature of the rotary evaporation was set at 65° C. for 2 hours, and the obtained product was dried to obtain intermediate 2.
[0041] (3) 2.5g low-density polyethylene grafted maleic anhydride and 7.0g intermediate 2 were mixed in 40ml xylene, and phase transfer catalyst tetrabutylammonium bromi...
Embodiment 3
[0044] (1) Add glycidyltriethylammonium iodide to a graphene oxide aqueous solution with a concentration of 2.00 g / L until the solution becomes clear and transparent, and react at room temperature for 2 hours. The obtained flocculent precipitate was filtered, washed and dried to obtain intermediate 1. Wherein, the epoxypropyltriethylammonium iodide add-on in the solution is 3.50g / L.
[0045] (2) Add 0.1 mol of epichlorohydrin dropwise to a reactor containing 0.05 mol of ethylenediamine, and 45 ml of water as a solvent. The temperature is maintained at 50°C, and the dropwise addition is completed in 0.5h, and the reaction is carried out at 98°C for 9 Hour. Rotary evaporation was performed after cooling down, the temperature of the rotary evaporation was set at 68° C., and the obtained product was dried for 1.5 hours to obtain intermediate 2.
[0046] (3) Mix 2.2g polypropylene grafted maleic anhydride and 7.8g intermediate 2 in 40ml xylene, add 0.05g phase transfer catalyst t...
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