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Wipe-on film of double-stretching polylactic acid film, and wipe-on lamination method processing technology and apparatus

A processing equipment, polylactic acid technology, applied in the field of chemical materials, can solve the problems of polluting the environment, environmental pollution, difficult separation and recycling of paper and plastic, etc.

Pending Publication Date: 2018-07-31
深圳市三上高分子环保新材料股份有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

After coating, it is difficult to separate and recycle paper and plastic, and BOPP, BOPET and BOPA cannot be degraded naturally, which is easy to cause environmental pollution
Moreover, the adhesive of the ready-to-coat film will cause VOC emissions during the drying process, polluting the environment

Method used

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  • Wipe-on film of double-stretching polylactic acid film, and wipe-on lamination method processing technology and apparatus
  • Wipe-on film of double-stretching polylactic acid film, and wipe-on lamination method processing technology and apparatus
  • Wipe-on film of double-stretching polylactic acid film, and wipe-on lamination method processing technology and apparatus

Examples

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Effect test

example 1

[0040] use figure 2 In the equipment, the double-stretched polylactic acid film (light film) prepared by the transparent crystalline polylactic acid masterbatch is passed through the coating cold pressure roll, and the roll coating method is adopted. The diameter of the two rolls is 30cm, and the coating material is UV adhesives of the polyurethane acrylic (PUA) type. After the polylactic acid film coated with UV glue passes through the guide roller, it passes through the drying channel on the film coating machine, but the drying channel does not need heating and ventilation. After passing through the second guide roller, the polylactic acid film coated with UV glue and the printed matter are directly laminated by the cold pressure roller. The cold pressure roll below here has a length of 100 cm and an outer diameter of 20 cm. The UV cold pressure roller is a hollow cylinder structure, its material is PMMA transparent material, the length is 100cm, the outer diameter is 20c...

example 2

[0042] use figure 2 In the equipment, the double-stretched polylactic acid film (dumb film) prepared by the transparent extrusion-grade polylactic acid masterbatch is passed through the coating cold pressure roll, and the roll coating method is adopted. The diameter of the two rolls is 40cm, and the coating material Polyester acrylate (PEA) based UV adhesive. After the polylactic acid film coated with UV glue passes through the guide roller, it passes through the drying channel on the film coating machine, but the drying channel does not need heating and ventilation. After passing through the second guide roller, the polylactic acid film coated with UV glue is laminated with the printed matter directly through the cold pressure roller. The cold press roll below here has a length of 400 cm and an outer diameter of 16 cm. The UV cold pressure roller is a hollow cylinder structure, its material is PMMA fully transparent material, the length is 400cm, the outer diameter is 16cm...

example 3

[0044] use image 3 The equipment, the double-stretched polylactic acid film (light film) prepared by the transparent extrusion-grade polylactic acid masterbatch is passed through the coating cold pressure roll, and the roll coating method is adopted. The diameter of the two rolls is 25cm, and the coating material is Polyurethane acrylate (PUA) and polyester acrylate (PEA) are mixed with UV adhesive at a mass ratio of 2:1. The polylactic acid film coated with UV glue is directly laminated by cold pressing roll. The cold pressure roll below here has a length of 300 cm and an outer diameter of 10 cm. The UV cold pressure roller is a hollow cylinder structure, and its material is a fully transparent PC material with a length of 300cm, an outer diameter of 10cm, and an inner diameter of 9cm. Holes, the distance between the centers of the circular through holes is greater than 0.3cm. The LED-UV light source is installed in the inner diameter of the UV roller, with a wavelength o...

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Abstract

The invention discloses the wipe-on film of double-stretching polylactic acid film, and a wipe-on lamination method processing technology and apparatus of the double-stretching polylactic acid film. According to the wipe-on film of the double-stretching polylactic acid film, and the wipe-on lamination method processing technology and apparatus of the double-stretching polylactic acid film, the polylactic acid film is coated with an environment-friendly UV photocuring adhesive in an on-line wipe-on manner, a photocuring press roll with an LED-UV light source is used in cooperation, and the purpose that press fit lamination and adhesive solidification are completed at the same time is achieved. Both the polylactic acid film and the UV photocuring agent are environment-friendly products. TheUV photocuring agent does not need a heat source in the curing process and does not emit VOC either, and the whole lamination process is also friendly to the environment. The degradable polylactic acid wipe-on film will be applied to the field of printed matter lamination, and can be used for replacing the common BOPP film in the market to some extent. Because the polylactic acid is the polymer obtained with lactic acid as the main raw material, the sources of the raw material are sufficient, the raw material can be recycled and can be biodegraded as such without causing environmental pollution, and the dependence of common film on oil resources can be gotten rid of.

Description

technical field [0001] The invention relates to the field of chemical materials, in particular to a double-stretched polylactic acid film instant coating film, and the double-stretched polylactic acid film instant coating film processing technology and its processing equipment. Background technique [0002] Lamination of paper printing and packaging products is a kind of post-press surface finishing process. Processing Technology. After lamination, the printed matter has a thin and transparent plastic film on the surface, which improves the gloss and fastness of the printed matter. The color of the graphic is more vivid and full of three-dimensional effect. Abrasion resistance, folding resistance, chemical corrosion resistance and so on. [0003] Divided by gluing methods, there are currently two coating processes on the market: instant coating and pre-coating. Glue and rewind the plastic film and then compound it with the printed matter. [0004] For the sake of environ...

Claims

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Application Information

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IPC IPC(8): B41F23/04B41F23/08
CPCB41F23/0409B41F23/08Y02W90/10
Inventor 郑伟徐东纪小宾张联聪
Owner 深圳市三上高分子环保新材料股份有限公司