Komplexe Kunstoffspritzguss Beispiel IMR Verfahren Oberflächenbeschichtung Dekoration

IMR – In-Mold Roll Transfer

When you see steering-wheel controls or instrument panels in an elegant, high-gloss woodgrain design, washing machine control panels in a dead front design, or a computer mouse with backlit logo, IMR was most likely involved. This is a technology with which you can manufacture and individually decorate injection-molded plastic parts at consistently high quality over thousands of plastic molded parts. In-Mold stands for Injection Molding, Roll (foil) for decoration on a roll carrier and Transfer of razor-thin lacquer coats to a plastic surface. Both are executed in a single in-mold decoration process step. The advantage of this process is that the decoration is directly back injected onto the carrier; thereby fusing directly with the plastic molded part. The surface is precisely and intricately finished without troublesome adhesive edges, and protected against exterior influences like scratching, soiling, and cleaning agents. What’s more, you not only have countless design options, but you can also generate surprising haptic effects.

Automotive Türdetail rosa Kunststoffbauteil mit Dekoration im IMR IMD Verfahren
Automotive Kunststoffbauteil mit Dekoration im IMR IMD Verfahren und Haptik-Effekt
Laptop Verschallung metallic grau Ecke Dekoration im IMR IMD Verfahren
Display mit LED Bedienelementen IMD IMR
Detailbild schwarze Kunststoffoberfläche mit Haptik-Effekt
Automotive Tür Detailbild Dekortation IMD IMR
Zwei Fernbedienungen Display Oberfläche KunststoffZwei Fernbedienungen Display Oberfläche Kunststoff hinterleuchtet

IMR - Approach

IMR is a process with which you can simultaneously apply two different decorations to molded plastic parts, including onto multi-dimensional geometries. KURZ has developed a foil feed that is mounted on an injection molding machine. Sensors ensure that the carriers are precisely aligned with the decoration along the register marks for precise transfer. IMR works like this:

  • The carrier with the decoration, along with the plastic (new or recycled material), are pressed onto the wall of the cavity during the in-mold decoration process
  • The temperature of the plastic ensures that the design completely peels away from the carrier
  • The design is transferred to the surface of the molded parts for a reliable bond
  • IMR precisely transfers single image designs of up to one meter in length
  • Special haptic effects can also be generated on plastic surfaces with this in-mold decoration process

IMR for special effects

IMR can be combined with Functional In-Mold Labeling for transfer of razor thin PolyTC® touch sensors to the back of injection molded parts. This is especially useful for creating special effects and enabling touch control with partial or full surface backlighting, such as in remote controls for household appliances and in the automotive sector.

We show our customers how to optimally integrate IMR to ensure the efficiency of the production process.

IMR - Coating variants

IMR is a technology that, like all other KURZ processes, is continuously fine-tuned. IMR features special soft-touch effects: Satin Feel decorated surfaces feel silky smooth. Velvet Feel transmits a velvety sensation to the fingertips. For a firm, haptic grasp, Grip Feel delivers. They can all be combined with different colors, designs, and shapes. The finishings protect plastic molded parts from exterior influences like soiling and cleaning agents. At the point of sale, haptic effects are increasingly used as a differentiating factor, and not just in the cosmetics industry. With IMR, KURZ provides a technology that excites customers for their own brand.

Serien Kunststoffbauteile verschiedenfarbig Dekoration IMD IMR Metallic
Bedruckter Kunststoff Haptik Stoff
Kunststoffteile mit Metallic used Oberfläche
Kunststoffteile orange Haptik Keramik
Durchsichtige Kunststoffteile mit goldglänzender Verzierung
Kunststoff Leisten fein goldene Dekoration Design
Kunststoffteile lila Haptik Keramik

IMR - Design areas

Plastic now replaces many materials. Instrument panels and furniture need no longer be made of real wood. The designers at KURZ apply the look of nature with great finesse and creativity onto IMR decoration designs. Costly and rare natural products are replaced with recyclable plastic parts. And we can realize unusual designs, like our Gold & Concrete, which is not feasible with natural materials. Other materials besides wood and concrete that KURZ can mimic in a variety of colors and shades are carbon, marble, textile, leather, and mother-of-pearl. Our Visionary Design Team constantly develops new ideas.

Where is the IMR technique used?

IMR is used wherever creative and smart surfaces are involved. Combining it with Functional In-Mold Electronics creates partial or fully backlit surfaces, with day-night design, ambient lighting or dead front design and touch control. Examples of IMR applications:

  • Automotive: dead front instrument panels, steering wheels with integrated touch controls, interior lighting  individually set for each driver
  • Household appliances: refrigerators and stoves with homogeneous panels instead of knobs
  • Electronics: smartphones, remote controls, notebooks, soundbars
  • Tools: garden tools with individual manufacturer logo
  • Cosmetics: cosmetics jars and tubes
  • Health: glass containers with scales
  • Furniture: cabinets with backlit fronts or dados
  • Industrial packaging: tool cases, cosmetics jars and tubes, also for labels with integrated digital functions like copyright and brand protection

Why IMR from KURZ?

KURZ bakes sustainability right into production. True to the guiding principle ‘Design for Recycling’, IMR can decorate recycled material with the same quality as new material. The decorated molded parts are easily reclaimed because the finishings are razor thin. Our environmental standards meet all legal regulations and even surpass them. The same guidelines apply at all our production sites. We support our customers by advising them along the entire value chain, from the initial idea to the finished production line. At the KURZ technical center customers can test all decoration options live before selecting an in-mold decoration process. Engineers and experts are at your disposal for specialist and creative exchange.

New material

Gloss level (measured at a reflection angle of 60°): 89 GE

100% recyclate

Gloss level (measured at a reflection angle of 60°): 89 GE

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Making every product unique

KURZ realizes this claim with more than 5,500 employees at over 30 global locations. KURZ is a world leader in surface finishing and produces in Europe, Asia and the USA according to the same high quality and environmental standards.

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