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Adhesive for plastic film composite inner-layer pre-coated film and preparation method for inner-layer pre-coated film

A technology of plastic film and adhesive, applied in the direction of adhesive, adhesive additive, polymer adhesive additive, etc., can solve the problem of non-sticking, achieve good coating quality, solve the problem of glue leveling and low solvent residue. Effect

Inactive Publication Date: 2014-12-17
刘国富
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Also, the adhesive used must be able to stick to the BOPP film with the printed ink on the outside, while not sticking to the back of the uncoated inner film

Method used

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  • Adhesive for plastic film composite inner-layer pre-coated film and preparation method for inner-layer pre-coated film
  • Adhesive for plastic film composite inner-layer pre-coated film and preparation method for inner-layer pre-coated film

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Embodiment Construction

[0027] The present invention will be further described below in conjunction with examples.

[0028] An adhesive for plastic film composite inner layer pre-coating film of the present invention is made of the following components in parts by weight: 50-80 parts of EVA resin, 20-50 parts of EEA resin, and 10-30 parts of EAA resin. The content of ethyl acrylate in EEA resin is 20-25%.

[0029] Preferably, an adhesive for plastic film composite inner layer pre-coating film is made of the following components in parts by weight:

[0030]

[0031] The content of ethyl acrylate in the selected EEA resin is 23%.

[0032] see figure 1 , the preparation method of inner precoat film of the present invention, comprises the following steps:

[0033] (1) prepare adhesive, adhesive synthesis process is:

[0034] Pour 65g of EVA resin, 25g of EEA resin and 10g of EAA resin into the raw material mixing tank and mix evenly, then granulate with a granulator to obtain the adhesive, wherein...

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Abstract

The invention discloses an adhesive for a plastic film composite inner-layer pre-coated film. The adhesive is prepared from the following components in parts by weight: 50-80 parts of EVA resin, 20-50 parts of EEA resin, and 10-30 parts of EAA resin, wherein ethyl acrylate accounts for 20-25% in the EEA resin. The invention further provides a preparation method of the inner-layer pre-coated film. The adhesive for the plastic film composite inner-layer pre-coated film can be coated on the inner-layer film, so that the pre-coating mode can also be applied in compounding an inner printing film with a wider applied range; after the outer-layer film is printed, the adhesive can be directly compounded with the inner-layer pre-coated film; and moreover, the inner-layer pre-coated film is prepared by virtue of a slit hot extrusion method, so that the coating quality is greatly improved.

Description

technical field [0001] The invention belongs to the technical field of plastic-plastic film composite inner-layer pre-coating film, and relates to an adhesive for plastic-plastic film composite inner-layer pre-coating film and a preparation method for the inner-layer pre-coating film. The inner layer pre-coated film prepared by the invention is especially suitable for the compounding of flexible packaging materials such as plastic films. Compared with the existing instant coating compounding method, it is convenient and environmentally friendly, and is a breakthrough in the plastic-plastic compounding method. Background technique [0002] At present, there are two main methods of plastic-plastic soft bag compounding, the most important of which is instant coating, that is, coating adhesive on the film, drying it in an oven, and then combining it with cast polypropylene film (CPP film), polyethylene film, etc. (PE film), polyvinyl chloride (PVC film) and other inner layer fil...

Claims

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Application Information

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IPC IPC(8): C09J123/08C09J11/08
Inventor 刘国富
Owner 刘国富
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