News and Insight

Our blog keeps you in touch with the latest innovations and trends.

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Why Low VOC Consumer Electronics Adhesive Solutions matter for end consumers and workers?

The consumer electronics industry is in a constant state of evolution, marked by an increasing focus on sustainability, environmental responsibility, and product safety. For consumer electronic engineers, whether designing speakers, phones, laptops, wearables, tablets, or notebooks, one of their aims is to innovate and deliver top-tier products.

However, a frequently underestimated critical concern is VOC emission, which is highly related to material choosing. To be more specific, adhesive assembly process plays a crucial factor.


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The Sonic Revolution: How Adhesives could increase the Airflow in speakers  

Speakers have evolved beyond just gadgets; they now accompany us through every facet of life, delivering immersive sound experiences that enrich our daily adventures. From the portability of Bluetooth speakers to the immersive audio of home entertainment setups, the demand for superior sound quality is soaring. With the market projected to reach a remarkable $48 billion by 2025, driven by the surge in smart devices and AI-powered assistants, the importance of innovation in speaker design cannot be overstated. Amidst this evolution, adhesive technology emerges as a silent hero, quietly revolutionizing speaker construction and performance. 


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The aircraft industry is in constant evolution, with significant innovations in materials. As a result, it’s crucial to find the most suitable options for bonding these materials together. In aviation, several key factors are increasingly vital, including speed, lightweight construction, durability, design, and passenger comfort.

Technological innovations in aircraft interiors drive engineers and designers to seek the latest methods for improved performance continually. Moreover, this sector have stringent standards for aircraft interior applications.


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What is a Thermoplastic Adhesive Film?

Thermoplastic adhesive film, commonly known as hotmelt adhesive film, is typically presented in the form of a roll. This adhesive solution can be manufactured using different techniques, resulting in either monolayer or multi-layer structures. 

  • Monolayer Thermoplastic Adhesive Film: This film consists of a single layer of adhesive material. 
  • Multi-layer Thermoplastic Adhesive Film: This film combines up to 5 layers coextruded into a single film.  

Examples include: 

  • 3-layer ABA films (Adhesive+Barrier+Adhesive)  
  • 2-layer AB films (Adhesive+Barrier) or 2-layer AA films (Adhesive+Adhesive)  

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For foam materials, selecting the right adhesive solution is crucial for achieving efficient and sustainable bonding results. One versatile option is thermoplastic adhesive in roll, which effectively bonds various materials, including foams and other technical substrates. In this article, we will explore the important role that this type of adhesive plays in various applications using these materials.

The Versatility of Thermoplastic Adhesives

Thermoplastic adhesives shows versatility by creating durable bonds across different types of materials, such as foams, 3D spacers, felt, non-wovens, technical textiles, or leather. This bonding addresses diverse manufacturing needs, with net, film, and web structures contributing to the improvement of applications in automotive, upholstery, footwear, leather goods, composites, building, and more. Roll-to-roll lamination method allows very low waste and clean results, 1 meter of adhesive equals to 1 meter of laminated material.

 


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Automotive manufacturers have specific needs when it comes to assembling materials. As the market evolves, the need for versatile and sustainable bonding solutions becomes essential. In addition, car interior becomes increasingly customized.

This is where thermoplastic adhesive in roll comes into play.

Thermoplastic adhesive able to bond any material in automotive

Whether you’re working with leather, alcantara, microfiber, PVC, PU artificial leather, foams or technical non-wovens, hotmelt adhesives in roll ensures a seamless and durable bond allowing the best and lasting comfort for the end user. Thermoplastic adhesive provides a consistent and durable bonding. It plays an active role in stabilizing materials so the shape of the part remains the same through time.


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Protechnic lamination with adhesive
Lamination trials at Protechnic with thermoplastic adhesive

Dry lamination is a technique employed in both automotive and industrial applications to bond two or more flexible substrates without the use of solvent-based adhesives or liquids. The adhesive utilized in this process often comes in roll form, which can have various structures like webs, films, or nets.

Using a roll-to-roll method, dry lamination facilitates quick bonding of different substrates. The bonding between the laminated layers is primarily achieved through thermoplastic adhesives such as polyolefin, polyester, co-polyester, co-polyamides, TPU, and specialty blend polymers.

For this roll-to-roll technique, the production line must be equipped with rollers to accommodate both the film or web and the various substrate layers. The thermoplastic adhesive is placed between these layers, and a laminating calender—with adjustable heat and pressure settings—ensures the materials bond correctly.


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What is a Hot Melt Adhesive Net ?

In the adhesive market, “hot melt” (HMA) often refers to solid glue. There are several forms of hot melt adhesives, which can be categorized based on their physical characteristics and application methods.

Some common forms include:

  • Hot Melt Sticks or Glue Sticks
  • Hot Melt Pellets or Granules
  • Hot Melt Powders
  • Hot Melt Cartridges
  • Hot Melt Films, Sheets, or thermoplastic films.

For Hot Melt Films, they can be extruded in different structures, like Film, Web, and Net. In this article, we will dive into the subject of hot melt adhesives focusing on their extrusion in a net structure, which we call thermoplastic or Hot Melt Net. This is an important innovation to make adhesive more flexible and breathable. We’ll learn more about its unique form, applications, functions, and the numerous advantages and added value adhesive net offers over traditional gluing methods.


FRANCE
PROTECHNIC SAS
41 Avenue Montaigne
68700 CERNAY – France
+33(0)389 356 000commercial@protechnic.bemisworldwide.com


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