The polyurethane binder plays a crucial role in the application of gravure lamination ink, offering extraordinary performance. Gravure lamination is a widely used technique for laminating films onto various substrates, such as paper, cardboard, or flexible packaging materials. The polyurethane binder acts as a key component in the ink formulation, providing essential properties and benefits. First...
With the development of China's economy and cultural undertakings, the printing and publishing industry and packaging industry have developed rapidly. Domestic demand for ink has increased dramatically. As people's environmental awareness increases and people's demand for safety in food packaging and printing increases, it is required that the proportion of aromatic hydrocarbons and toxic volatile...
The functions of polyurethane resin in inks are as follows: 1. Excellent yellowing resistance. Polyurethane resin for ink is mainly synthesized from aliphatic polyester and aliphatic isocyanate as the main raw materials during the preparation process. Compared with aromatic polyurethane, it has excellent optical stability, and the film has excellent Yellowing resistance. 2. Excellent adhesion fast...
The liquid part of the ink component is called the binder; the solid component is the color material (pigment or dye); and various additives.The connecting material is a colloidal fluid with a certain viscosity. Its function is first to serve as a carrier for pigments, mixing and connecting solid particles such as powdered pigments. The pigments are evenly dispersed in it, relying on its wetting e...
Polyurethane resin is a type of polymer that can function as a binder in film printing inks. Here's how it contributes to the performance of the ink in a film printing application: 1. Adhesion: Polyurethane resin are known for their excellent adhesion properties, which allows the ink to strongly adhere to various film substrates such as polyethylene (PE), polypropylene (PP), and other plastic film...
How to choose the formula of gravure printing ink for high-temperature retort-resistant bags? Specifically, the selection of ink connecting materials, the selection of toners and pigments, the selection of special wax powder for ink, etc. 01 Selection of retort bag ink binder(RESIN) There are no more than two types of ink BINDER suitable for gravure on-machine printing: high-temperature-resistant ...
Polyurethane(PU) binder play a crucial role in lamination ink formulation, providing important properties and benefits to the final product. Here are some key points highlighting the importance of polyurethane binders in ink formulation: Adhesion and Cohesion: Polyurethane binder enhance the adhesion of inks to various substrates such as paper, plastic, and metal. They help the ink adhere firmly t...
In the field of gravure compound ink, polyurethane resin plays a significant role with its unique properties and applications. This article aims to explore the application characteristics of polyurethane resin in gravure compound ink. Firstly, polyurethane resin offers excellent adhesion properties, enabling it to bond effectively to various substrates. Whether it is paper, plastic, or other mater...
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