Antibacterial plastic master batch, and preparation method and antibacterial plastic thereof

Abstract

The invention relates to an antibacterial plastic master batch, and a preparation method and an antibacterial plastic thereof. The antibacterial plastic master batch comprises the following components in parts by mass: 0.1-5 parts of coupling agent, 0.1-5 parts of dispersant, 2-8 parts of polyethylene wax, 50-65 parts of nanometer titania antibacterial agent, and 20-40 parts of plastic resin. The preparation method comprises the following steps: burdening, stirring, extruding and pelletizing. The antibacterial plastic master batch disclosed by the invention has the characteristics of being strong in versatility, good in dispersibility, simple in process, good in machinability, good in temperature resistance, good in antibacterial property, free of environmental pollution and the like; continuous large-scale industrial production can be achieved; the obtained plastic product has excellent performance of long-acting and rapid antibacterial property; the mechanical property of the plastic product is not affected by adding of the antibacterial plastic master batch.

Description

technical field [0001] The invention relates to the technical field of polymer composite materials, in particular to an antibacterial plastic masterbatch, a preparation method thereof, and an antibacterial plastic. Background technique [0002] At present, plastic products play a very important role in people's daily life and industrial and agricultural production. In order to make plastic products more widely used, people often add antibacterial agents to the plastic masterbatches used to prepare plastic products to obtain antibacterial plastic products. The antibacterial agents added at present are generally based on organic antibacterial agents and inorganic antibacterial agents. [0003] Due to the low decomposition temperature of organic antibacterial agents, the possibility of decomposition during processing is high, which may cause pollution to the environment; adding inorganic antibacterial agents to plastics can avoid the above disadvantages, but the existing inorg...

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Problems solved by technology

[0003] Due to the low decomposition temperature of organic antibacterial agents, the possibility of decomposition during processing is high, which may cause pollution to the environment; adding inorganic antibacterial agents to plastics can avoid the above disadvantages, but the existing inorganic antibacterial agents have large particle sizes, which will reduce the surface finish of the product. The mechanical properties have declined. At the same time, from the published technical patents and literature, there are occasional interruptions in the production process of batching, mixing or extrusion, which is not continuous large-scale industrial production.

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