Antibacterial deodorization two-side coating polyester aluminized film and production method thereof

Abstract

The invention discloses an antibacterial deodorization two-side coating polyester aluminized film. The antibacterial deodorization two-side coating polyester aluminized film is prepared from polyester basic materials by two-side coating, one side coating is a PMMA composite material, and the other side coating is a polyurethane composite material, wherein the polyurethane composite material is prepared from, by weight parts, 40-50 parts of water polyurethane emulsion, 0.3-0.5 part of chitosan, 2-4 parts of rosin, 2-4 parts of crylic acid, 0.1-0.2 part of lauric acid monoglyceride, 0.1-0.2 part of turkey red oil, 3-5 parts of nano tourmaline powder, 1-2 parts of nanometer titanium dioxide, 1-2 parts of polyethylene glycol and 40-50 parts of water. The antibacterial deodorization two-side coating polyester aluminized film can effectively avoid adhesive phenomena, is good in barrier property, high in peeling strength and good in acid and alkali resistance, increases compound fastness of the back face of the aluminized film, is good in usability, has antibacterial and deodorization effect, improves hygiene performance of a product and is favorable for human health and high in practical value.

Description

technical field [0001] The invention relates to the technical field of packaging materials, in particular to an antibacterial and deodorizing double-coated polyester aluminized film and a production method thereof. Background technique [0002] With the increasingly developed commodity economy, the role of commodity packaging is becoming more and more important, especially for commodities with high quality requirements such as food and medicine, in order to improve the circulation cycle and shelf life of commodities, packaging with high barrier performance packaging materials is often the most effective means. . At present, the commonly used packaging material is polyester aluminized film, and its common composite structure is "PET / VMPET / PE" three-layer composite. This structure has good barrier properties, but it will be delaminated immediately after being peeled off when it encounters water. It has the function of acid and alkali resistance, and the adhesion performance o...

AI Technical Summary

Problems solved by technology

At present, the commonly used packaging material is polyester aluminized film, and its common composite structure is "PET / VMPET / PE" three-layer composite. This structure has good barrier properties, but it will immediately delaminate when it meets water after peeling off It has the function of acid and alkali resistance, and the adhesion performance of the aluminum layer after aluminization is poor, which affects the performance of the composite film

The general chemical coating film is only coated with polyurethane material on one side of the polyester film, so that the polyester aluminized film has a certain improvement in the barrier properties and the peel strength of the aluminized surface, and it does not have acid and alkali resistance.

At the same time, with the continuous development of the packaging industry, the performance requirements for aluminized films are increasing day by day, and new requirements are also put forward for the composite fastness and acid and alkali resistance of the back of the aluminized film. Improve

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