Contraction film

Abstract

The invention discloses a shrinking membrane, which is prepared by the component after mixing of a powdery main composition and additive through a membrane blowing device or a membrane pouring device, wherein, the main composition is polyethylene glycol terephthalate; the additive is inorganic ultravioresistant agent; and 0.01 to 1.0 kilogram of additive is added into per kilogram of the main composition. The shrinking membrane provided by the invention is convenient for storing objects in a container or a bottle.

Description

shrink film This application is a divisional application with the application number 200310123032.2, the filing date being December 23, 2003, and the title of the invention being "shrink film". technical field The present invention relates to a kind of shrinkable film, more specifically, relates to a plastic packaging container or bottle periphery that can be wrapped and shrunk on food, and has anti-ultraviolet function, so as to ensure that the food in the packaging container or bottle is not protected from ultraviolet rays in the living space. Damage and impact, so that the food in the packaging container or bottle has a long shelf life of the shrink film. Background technique At present, plastic containers or bottles for food are mostly made of non-transparent plastic containers or bottles in order to prevent the contents of the plastic containers or bottles from being affected or damaged by ultraviolet rays. Those who are unable to identify the contents of the contai...

AI Technical Summary

Problems solved by technology

At present, plastic containers or bottles for food are mostly made of non-transparent plastic containers or bottles in order to prevent the contents of the plastic containers or bottles from being affected or damaged by ultraviolet rays. Consumers cannot identify the contents of the container or bottle, causing consumers doubts when purchasing