Non-stick coating for rolls | Prevents adhesive attachment, winding, and curling
NonStick Coating
Elimination of adhesive sticking in the converting process: Prevent strong adhesive adhesion with low surface energy! Reduces sheet pulling, wrinkles, and slipping.
This is a technical case study of a silicone-based non-stick coating with excellent release properties applied to metal transport rolls (such as guide rolls and pass rolls) used in the manufacturing and converting processes of adhesive tape, packaging films, optical sheets, label seals, and more. In a line that transports sheets coated with strong adhesives at high speed and continuously, it eliminates adhesion issues on the roll surface. **Main Improvement Effects from Implementation** - **Prevention of Adhesive Sticking and Wrapping** The extremely low surface energy unique to silicone blocks the sticking of glue and adhesive components that seep out during transport. This prevents sheet dragging, glue transfer (transfer defects) to products, and appearance scratches, thereby improving yield. - **High-Speed Transport by Eliminating Curling, Wrinkles, and Slipping** By suppressing uneven adhesion and friction, the film passes smoothly with proper tension. It prevents transport disturbances (slipping), curling, and wrinkles, achieving stable operation of the line. - **Significant Reduction in Maintenance Work and Downtime** Minimizes the effort required for regular glue residue wiping using solvents. This greatly reduces cleaning downtime and enhances productivity.
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【Construction Technology】 Silicone-based Non-Stick Coating Contract Processing 【Technical Features and Functions】 ■ High Non-Stick and Release Properties Prevents adhesion and sticking of strong adhesives (rubber-based, acrylic-based, silicone-based, etc.) ■ Excellent Liquid Repellency and Dirt Resistance Low surface free energy prevents adhesion of adhesives, resins, and liquids ■ Uniform Coating and Roll Precision Maintenance Coats the outer circumference of the roll with a uniform film thickness, ensuring precision without compromising flatness and dimensional accuracy ■ Moderate Slip Balance Eliminates excessive snagging with transported items, supporting smooth sliding and feeding 【Target Substrates and Applicable Parts】 ■ Metal Transport Rolls (Steel, Stainless Steel/SUS, Aluminum, etc.) ■ Guide Rolls, Pass Rolls, Drive Rolls, Damper Rolls, Free Rolls
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【Main Application Areas and Processes】 ■ Adhesive Tape and Label Manufacturing Coating, slitting, and winding processes for double-sided tape, protective films, and label seals. ■ Optical Sheets and Electronics Web transport lines for optical films and adhesive functional sheets. ■ Packaging Materials and Converting Laminating processes and guide rolls for various films, paper, and metal foils. 【Case Study of Problem Solving】 ■ Issue In the manufacturing line for adhesive tape, adhesive gradually adhered to the transport rolls, causing frequent film pulling, waviness, and wrinkles. Additionally, to remove the adhesive stuck to the rolls, the line needed to be frequently stopped for solvent cleaning, which significantly reduced production efficiency. ■ After Implementation Silicone-based non-adhesive coating was applied to the outer circumference of the metal guide rolls. ■ Effects and Results - Adhesive adhesion to the roll surface was eliminated, greatly reducing sheet entanglement and waviness issues. - The frequency of solvent cleaning was significantly reduced, cutting down on downtime due to maintenance.
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Nikken Coating Industry Co., Ltd. has been a specialized manufacturer of functional coatings for contract processing, earning the trust of customers across various industries for 79 years since its founding. We leverage our processing technology to maximize the properties of fluororesins, such as non-stick, lubricity, and chemical resistance, providing high-performance coatings that directly address customer challenges, including "Thermo Pro Release" for thermal welding processes and "NonStick STC" for blades and precision molds. In recent years, in response to movements regarding regulations on fluorinated compounds (PFAS), "PEEK resin," which is gaining attention as a substitute for fluororesins, has become a focus. Nikken Coating Industry commercialized the world's first PEEK resin coating, "PEEKCOAT," in 1999. Based on the solid knowledge and know-how accumulated over more than 20 years, we are further intensifying our research and development efforts to explore the potential of next-generation PEEK coatings! We aim to be recognized as "the go-to for PEEK coatings" and will continue to lead the way. As "the best partner for functional coatings that builds trust through technology," Nikken Coating Industry will continue to contribute to the creation of high-quality, high-performance products.
