Method for synchronously hot-pressing and compounding PET (Polyethylene Terephthalate) film and impregnated bond paper on board

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By simultaneously hot-pressing PET film and impregnated paper, the problems of cumbersome processes, high equipment investment, and high costs in the existing process have been solved. This has enabled the efficient and environmentally friendly composite of PET film and melamine board, improving production efficiency and decorative effect.

CN121973532APending Publication Date: 2026-05-05SHANGHAI GUITONG CHEMICAL TECHNOLOGY CO LTD

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Patent Information

Application Number: CN202610252879.1
Authority / Receiving Office: CN · China
Patent Type: Applications(China)
Current Assignee / Owner
Filing Date: 2026-03-03
Publication Date: 2026-05-05

Application Information

Patent Timeline

03 Mar 2026

Application

CN202610252879.1

05 May 2026

Publication

CN121973532A

IPC: B32B37/06; B32B37/10; B32B37/12; B32B21/06; B32B27/10; B32B27/36; B32B29/06; B32B21/02

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Application Domain

Synthetic resin layered products Lamination

Technology Topics

Coated membrane Polymer science

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AI Technical Summary

Technical Problem

The existing bonding process between PET film and melamine board is cumbersome, requires high equipment investment, has high costs, low production efficiency, and the adhesive is prone to yellowing, affecting the decorative effect.

Method used

A method of simultaneous hot-pressing lamination of PET film and impregnated paper is adopted. By coating an adhesive layer on the melamine impregnated paper and curing it simultaneously with the PET film, one-time molding is achieved using existing melamine board hot-pressing equipment.

Benefits of technology

The process was simplified, equipment investment and labor costs were reduced, production efficiency was improved, yellowing of the glue was avoided, and a high-gloss, environmentally friendly decorative effect was achieved.

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Abstract

According to the method for synchronously hot-pressing and compounding the PET film and the impregnated bond paper on the board, the melamine impregnated bond paper and the PET film provided with the adhesive coating are synchronously cured on the base material board, special laminating equipment and an independent gluing procedure are not needed, and one-time forming can be realized by directly utilizing existing melamine board hot-pressing equipment; the technological process is simple, convenient to operate and suitable for industrial large-scale production.

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