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Plastic-free coating laminating process and plastic-free coating laminating paper

A coating and process technology, applied in the field of paper coating and laminating, can solve the problems of difficult recycling and difficult degradation of coated laminating paper, and achieve the effects of easy degradation and recycling, increased bonding, and simple process

Active Publication Date: 2021-01-05
中星中大印刷(深圳)有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0005] In order to improve the existing problem of difficult degradation and recycling of coated laminated paper, and advocate the concept of green production and environmentally friendly life, this application provides a plastic-free coating laminating process and plastic-free coated laminated paper

Method used

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Examples

Experimental program
Comparison scheme
Effect test

preparation example 1

[0045] A kind of PP-PU film is made through the following steps:

[0046] S1. Take PP masterbatch and PU according to the mass ratio of 55:45, heat the PP substrate to a viscous flow state under a nitrogen atmosphere, and preheat PU to the same temperature at the same time;

[0047] S2. Under a nitrogen atmosphere, the PU substrate is evenly added to the viscous PP substrate while stirring to obtain a PP-PU viscous fluid mixed substrate;

[0048]S3. Using the casting method, extrude the PP-PU viscous fluid mixed substrate at 120°C to form a film, the casting temperature is 130°C, the stretching rate is 5m / min, the tensile strain is 500%, and the thickness is obtained. PP-PU film with a thickness of 0.018mm and a specific gravity of 0.925.

preparation example 2

[0050] The difference from Preparation Example 1 is that the mass ratio of PP masterbatch to PU is 70:30, the extrusion temperature is 115°C, the casting temperature is 124°C, the tensile rate is 5m / min, and the tensile strain is 500% .

preparation example 3

[0052] The difference from Preparation Example 1 is that the mass ratio of PP masterbatch to PU is 62:38, the extrusion temperature is 116°C, the casting temperature is 126°C, the tensile rate is 5m / min, and the tensile strain is 500% .

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PUM

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Abstract

The invention relates to the technical field of paper coating laminating, and particularly discloses a plastic-free coating laminating process and plastic-free coating laminating paper. The plastic-free coating laminating process comprises the following process steps of preparing a film, coating, hot-pressing and recycling, and the plastic-free coating laminating paper is obtained by the plastic-free coating laminating process. The plastic-free coating laminating paper can be used for paper color printed matters and paper boxes, and has the advantages of being easy to degrade, easy to recycle,durable and resistant to abrasion; and in addition, the preparation method has the advantages of simple process, energy conservation, environmental protection and easiness in waste treatment.

Description

technical field [0001] This application relates to the technical field of paper coating lamination, more specifically, it relates to a plastic-free coating lamination process and plastic-free coating lamination paper. Background technique [0002] In the early years of the Western Han Dynasty, political stability, active ideology and culture, people's demand for information dissemination increased day by day, so paper emerged as a new type of writing material. From ancient times to the present, paper has always played the role of the carrier of dissemination of information, and is an indispensable part of the development and dissemination of civilization. Driven by the commercialization of modern society, various forms of paper have appeared, including printing paper, newsprint, plate paper, etc., and they each undertake various functions. [0003] In the commercial society, in order to enhance the attractiveness of the appearance of the product, some beautiful and eye-catc...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): B41M5/382B29D7/01
CPCB29D7/01B41M5/382
Inventor 火成魁郭树杰候爱华蔡锦逗
Owner 中星中大印刷(深圳)有限公司
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