Plastic film production process

Abstract

The invention relates to a plastic and rubber production process, in particular to a plastic film production process. The plastic film production process is characterized by comprising the following technical steps that (1) raw materials are screened, specifically, plastic particles are screened with a screen of 20-200 meshes, and the plastic particles are polylactic acid particles; (2) melting is carried out, specifically, the target particles obtained after screening in the step (1) are added into a reactor, the temperature is controlled to be 170-190 DEG C, and the target particles are melted to be in a molten state under the stirring condition; (3) modification is carried out, specifically, a modified material is added into the molten liquid in the step (2) and evenly mixed with the molten liquid under the vacuum stirring condition, and the modified material is a mixture of magnesium aluminum hydrotalcite, ammonium polyphosphate and cobalt powder with the mixing ratio being 3:2:2; (4) extrusion casting is carried out, specifically, the mixed molten liquid in the step (3) is extruded by a T-shaped port film casting machine to form a molten film; and (5) cooling is carried out, specifically, the molten film extruded in the step (4) is tightly attached to a cooling roller to be cooled.

Description

technical field [0001] The production process of plastic rubber that the present invention relates to, particularly relates to a kind of plastic film production process. Background technique [0002] Plastic film is a common daily necessities for people nowadays. Plastic film has the advantages of good transparency, good moisture resistance, excellent heat resistance, convenient use, and low price. It is widely used in various industries, but the plastic film currently on the market is mainly based on Polyethylene plastic film is mainly used, which brings serious pollution to the environment. It is also called "white pollution" because of its refractory property, and it will release harmful gas itself, which poses a threat to people's health. The invention discloses a The production process of plastic film, which uses biodegradable resin as the main raw material, mixes processing aids, biodegradation aids, dispersion aids, and photosensitizers in a certain proportion, and pr...

AI Technical Summary

Problems solved by technology

[0002] Plastic film is a common daily necessities for people nowadays. Plastic film has the advantages of good transparency, good moisture resistance, excellent heat resistance, convenient use, and low price. It is widely used in various industries, but the plastic film currently on the market is mainly based on Polyethylene plastic film is mainly used, which brings serious pollution to the environment. It is also called "white pollution" because of its refractory property, and it will release harmful gas itself, which poses a threat to people's health. The invention discloses a The production process of plastic film, which uses biodegradable resin as the main raw material, mixes processing aids, biodegradation aids, dispersion aids, and photosensitizers in a certain proportion, and processes them into plastic films under certain conditions. The film can be degraded by microorganisms, and the degradation speed is faster under the condition of light, which eliminates the environmental pollution caused by plastic film, but its production conditions are not clear, whether the equipment technology can meet the requirements is unclear, and whether the production can achieve the expected effect is uncertain ensure