| abstract |
The invention discloses a composite biodegradation accelerator, a preparation method thereof and a biodegradable master batch. The composite biodegradation accelerator comprises a core body and a shell layer coating the core body; wherein the material of the core comprises a degradation promoting agent and a bacterial signalling molecule, and the degradation promoting agent forms a mixture with the bacterial signalling molecule; the material of the shell layer comprises a high molecular material for providing nutrients. The biodegradable master batch contains the composite biodegradation accelerator. The composite biodegradation accelerant and the biodegradation master batch can provide nutrients required for propagation of bacteria, particularly anaerobic bacteria, and can induce the bacteria, particularly the anaerobic bacteria to aggregate to form a biological membrane, so that the gnawing effect on the synthetic resin material is realized, and the degradation of the synthetic resin in an anaerobic environment is accelerated. |