Adoption of unparalleled non-adhesive rollers in the adhesive tape manufacturing line.
In the adhesive tape manufacturing line, there was an unavoidable process where the adhesive surface came into contact with the roll. Various non-adhesive rolls were tested, but satisfactory performance could not be achieved, leading to frequent line stoppages, and each time, cleaning work had to be carried out. Issues: 1. It is not possible to create a mechanism that does not touch the adhesive surface. 2. Based on past experience, surface treatments with too much roughness are unsuitable as adhesive material tends to get trapped in the valleys. 3. The release properties obtained from fluorine-based surface treatments do not meet the required standards.
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We proposed a non-stick coating with exceptional non-adhesive properties. This time, we recommend the blast type (NV-S) among the six available grades, which has the highest smoothness (film thickness: 10μm, surface roughness: 2.0±1.0μm). We provided sample pieces along with other grades and comparison fluoropolymer coatings to verify compatibility with adhesive sheets. Key Points: The principle behind the non-adhesive effect of the non-stick coating utilizes point contact. For an object to stick, a certain surface area is required. In this regard, the non-stick coating creates unevenness on the surface through shot blasting, reducing the contact area and preventing the energy necessary for adhesion. Additionally, by applying a special non-stick resin, we achieve high release properties at the contact points. These two actions enable the non-stick coating to allow adhesive tape to slide across the surface. It demonstrates particularly excellent effects against viscous gel-like substances.
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In the current situation where advanced technological capabilities are required of Japanese companies as a whole, we aim to be a trading company that not only possesses "integrity" and "technology," but also explores our customers' needs and responds to their requests.