Aminolysis of poly-3-hydroxybutyrate in N,N-dimethylformamide and 1,4-dioxane
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资源简介：
Poly-3-hydroxybutyrate was subjected to degradation by ethylenediamine, 4-diaminobutane and monoethanolamine in solutions of N,N-dimethylformamide and 1,4-dioxane.
0.02 mol (1720 mg) calculated by a monomer fragment (86 g/mol) of poly-3-hydroxybutyrate was dissolved by heating at 100°C in 86 ml of a solvent.
After that, amines were added, mixtures continued to heat, periodically taking samples of 5 ml.
Precipitated with four times the volume (20 ml) of isopropyl alcohol.
Molecular weight for all samples was measured three times.
创建时间：
2022-10-31
