The invention belongs to the technical field of plastic deodorization, and particularly relates to a composite deodorant masterbatch and its application. The composite deodorant masterbatch consists of Component A and Component B. Raw materials of Component A include porous polymers and low-boiling-point components; raw materials of Component B include PEO‑PPO‑PEO, tetraethyl orthosilicate, 13X molecular sieves and diatomite. The porous polymer is prepared from the following raw materials in parts by weight: 80‑100 parts of pore former, 80‑100 parts of polymer resin, 5‑7 parts of inorganic additives and 0.6‑0.8 parts of surfactant. In the present invention, Component A and Component B work synergistically for deodorization during plastic processing. The low-boiling components in Component A interact with volatile small molecules in the resin and remove them from the system, while Component B efficiently adsorbs high-molecular-weight volatile substances, especially long-chain alkanes and olefins.

Area Code: CN

Application Number: CN202110712932.9