Ultraviolet resistant antistatic polyolefin master batch

Abstract

The invention discloses ultraviolet resistant antistatic polyolefin functional master batch. Although the existing antistatic polyolefin functional master batch has good antistatic effect, the thermal stability of PO (polyolefin) plastics is lowered, and quaternary amine salt does not accord with the regulations of FDA (Food and Drug Administration). The ultraviolet resistant antistatic polyolefin master batch comprises the following raw materials by mass percent: 40-60% of polyolefin, 10-20% of grafted polyolefin, 20-40% of polyvinyl alcohol, 1-10% of compound antioxidant, and 4-7% of nanoscale quadrupole whisker zinc oxide, wherein the polyolefin is the homopolymerization or copolymerization polyolefin resin with melt index of 0.1-25 which is used for membrane blowing and tape casting or can be stretched in two directions, the grafted polyolefin is graft polymer consistent with former polyolefin resin, and the grafting ratio is 0.8-1.5%. Little master batch is added into the polyolefin resin film coated material, under the premise of guaranteeing good antistatic performance, ageing resistance and mechanical property, the service life is prolonged, and the cost of the raw material is lowered.

Description

technical field [0001] The invention relates to the modification of polyolefin, in particular to an anti-ultraviolet and anti-static polyolefin functional master batch. Background technique [0002] Polyethylene, polypropylene, and polyvinyl acetate are general-purpose polyolefin plastics, which are widely used in various electrical and electronic products, food and medicine, agricultural and sideline products, textiles, indoor and outdoor decoration, and advertisements. Since PO materials are not easy to eliminate static electricity accumulation, the plastic film will automatically curl, tear and absorb dust during the production process; during compounding and packaging, static electricity will cause bonding and sealing difficulties, as well as poor printing performance and breakage rate Higher phenomenon. [0003] Only by adding antistatic agents to PO materials can the above problems be effectively solved. Commonly used antistatic agents are divided into cationic, anio...

AI Technical Summary

Problems solved by technology

Commonly used antistatic agents are divided into cationic, anionic and nonionic compounds and amphoteric polymers according to the surfactants used. These antistatic agents are all small molecular weight compounds, although they have good antistatic effects, but It will reduce the thermal stability of PO plastics, and quaternary ammonium salts do not comply with FDA regulations. These products are liquid or waxy solids with low softening points. They are directly added to PO plastics because of the large difference in melting point and viscosity. Dispersion and distribution are difficult, which will affect extrusion and produce fluctuations in severe cases. In addition, the inevitability of its migration is determined by small molecules, and the difference between the strong and weak antistatic effects caused by environmental temperature and humidity differences shortens its antistatic durability.

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