A kind of preparation method of stretch stretch film

Abstract

The invention relates to a preparation method for a stretch wrap film, which belongs to the technical field of packaging materials. According to the method, carbon atoms in carbon nanotubes are hybridized by adopting SP2, so that the carbon nanotubes have high modulus and high strength, the carbon nanotubes have good mechanical properties, the carbon nanotubes with good flexibility can be stretched, and therefore the composite material which is prepared by adding the carbon nanotubes can show good strength, elasticity, fatigue resistance and isotropy. Because silica sol is adopted to wrap titanium dioxide and the carbon nanotubes in the method, titanium dioxide and the carbon nanotubes can be uniformly distributed and cannot be easily agglomerated; because the wrapping material is added, the silica sol which is a stable disperse system for silica colloid particles in water can act along with nanoscale titanium dioxide, so that the chemical property of the wrapping material is stable; moreover, as a continuous body with a spatial reticular structure, the silica sol has a large specific surface area to firmly adsorb the carbon nanotubes, and thereby the tensile strength of the stretch wrap film is effectively increased.

Description

technical field [0001] The invention relates to a preparation method of a stretch stretch film, belonging to the technical field of packaging materials. Background technique [0002] Packaging materials refer to the materials used to make packaging containers, packaging decoration, packaging printing, packaging and transportation to meet product packaging requirements, including metal, plastic, glass, ceramics, paper, bamboo, wild mushrooms, natural fibers, Main packaging materials such as chemical fibers and composite materials, as well as auxiliary materials such as strapping, decoration, and printing materials. [0003] Stretch film is an industrial film product, which has the advantages of high tensile strength, high elongation, good self-adhesiveness, and high transparency. It can be used for manual stretch film and machine stretch film, and can be widely used in the concentration of various goods. Packaging, wrapping the goods stacked on the pallet, making the packagi...

AI Technical Summary

Problems solved by technology

[0005] The technical problem to be solved by the present invention: Aiming at the problem of poor tensile strength of the stretch stretch film currently on the market, a preparation method of the stretch stretch film is provided

Images