Degradable ionomer derived from biomass and preparation method of degradable ionomer
An ionomer and biomass technology, applied in the field of degradable ionomer and its preparation, can solve the problems of low ion content of ionomer, unadjustable ion content, uncontrollable cation structure of ionomer, etc.
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Embodiment 1
[0046] The bio-based ionomer of the present embodiment has a structure as shown in the following formula;
[0047]
[0048] Wherein x=0.3, y=0, z=0, a=0.7, b=0, c=0; wherein x, y, z, a, c represent the amount of substance accounting for the entire polymer, where a, c are mutually is not zero, is N-butylimidazolium cation, is the hexafluorophosphate anion;
[0049] 1) Dry the epichlorohydrin with calcium hydride, and distill it for later use; under anhydrous and oxygen-free conditions, add 300ml of toluene, 1.8g of tetrabutylammonium bromide and 7ml of triisobutylaluminum to the reactor, and 100ml of epoxy Chloropropane, under the protection of nitrogen, reacted at -30°C for 24h, then quenched the reaction, washed, dried, and weighed to obtain the required monohydroxy polyether, the NMR of which is shown in Figure (1);
[0050] 2) Under anhydrous and oxygen-free conditions, add 15g of dried monohydroxypolyether into the reactor, and then add N-butylimidazole, wherein th...
Embodiment 2
[0054] The bio-based ionomer of the present embodiment has a structure as shown in the following formula;
[0055]
[0056] Wherein x=0.2, y=0, z=0, a=0.4, b=0, c=0.4; wherein x, y, z, a, c represent the amount of the substance accounting for the whole polymer, where a, c mutually is not zero, is N-butylimidazolium cation, is the hexafluorophosphate anion;
[0057] 1) Dry the epichlorohydrin with calcium hydride, and distill it for later use. Under anhydrous and oxygen-free conditions, add 300ml of toluene, 1.8g of tetrabutylammonium chloride and 60ml of triethylaluminum, 100ml of epichlorohydrin to the reactor, and react at 5°C for 15h under nitrogen protection, then quench After quenching the reaction, washing, drying, and weighing, the desired monohydroxy polyether is obtained;
[0058] 2) Under anhydrous and oxygen-free conditions, add 15g of dried monohydroxypolyether into the reactor, and then add N-butylimidazole, wherein the molar ratio of chlorine atoms in mo...
Embodiment 3
[0062] The bio-based ionomer of the present embodiment has a structure as shown in the following formula;
[0063]
[0064] Wherein x=0.1, y=0, z=0, a=0.5, b=0, c=0.4; wherein x, y, z, a, c represent the amount of substance accounting for the entire polymer, where a, c are mutually is not zero, For N-ethyl-2-(1-imidazolyl)acetamide cation, For trifluoromethanesulfonate anion;
[0065] 1) Dry the epichlorohydrin with calcium hydride, and distill it for later use. Under anhydrous and oxygen-free conditions, add 300ml of toluene, 1.8g of tetrabutylammonium chloride and 14ml of triethylaluminum to the reactor, and 100ml of epoxybromopropane, under nitrogen protection, react at 15°C for 6h, then quench After quenching the reaction, washing, drying, and weighing, the desired monohydroxy polyether is obtained;
[0066] 2) Under anhydrous and oxygen-free conditions, add 15g of dried monohydroxypolyether into the reactor, and then add N-ethyl-2-(1-imidazolyl) acetamide monomer...
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