Convertech Pacific Article Summary
Problems and Solutions of Dry Lamination Process in Adhesive-Applied Surfaces / Takeda Chemical Industries, Ltd.
Issued on 2000-4th
Heading: Technical Progress
Title: Problems and Solutions of Dry Lamination Process in Adhesive-Applied Surfaces
Author / Company : Takeo Takano / Research Head of Polyurethane Resin Dept. Chemical Products Company / Takeda Chemical Industries, Ltd.
1. Introduction
The use of polyurethane adhesives in the area of dry lamination is mostly for food packaging, however, developments in non-food areas have been seen lately.
The purpose of lamination, where two or more layers of films are bonded together to make best use of the characteristics and functions of each film, is to create strong composite materials that, when made into pouches, can safely protect food contained therein, be attractive in appearance, and have functionality and suitability for practical uses. What acts as a mediator for the creation of such composites is a urethane adhesive and the process is called dry lamination.
The problems of dry lamination process are diverse. Considering their ultimate purpose of use, the shape of pouches made from them, and their durability, laminated materials can have numerous specifications with different kinds of adhesives and films bonded together.
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