The Universal Selection Source: Adhesives Ingredients

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Polycarbonate Diols (PCD) are used for a wide range of polyurethane-based adhesive & sealant formulations, providing an extreme durability and a high performance to the final polymer. These products offer customizable possibilities for superior & long-term retention of designed performances.

Polycarbonate Diols to produce extremely durable PU

Polycarbonate Diols (PCD) are used for a wide range of polyurethane-based adhesive & sealant formulations, providing an extreme durability and a high performance to the final polymer.

These products offer customizable possibilities for superior & long-term retention of designed performances, with no modification of initial properties after being exposed in harsh environments.

The Polyurethane produced from PCD is superior to the one
produced from polyether-diol or polyester-diol in terms of durability.

Why? Because it can provide outstanding performances, such as:
  • Excellent hydrolytic stability
  • Increased chemical and stain resistance
  • High thermal stability / lower yellowish
  • Improved mechanical properties
  • Better retention of gloss
  • Very good scratch & abrasion resistance, and others!


Discover more about the main benefits of this high performance
of PCD through this slideshare presentation:
Slideshare presentation: 6 reasons to use Eternacoll® Polycarbonate Diols


The below figure shows the different chemical structure of all the existing Diols, leading to different properties.

Terminal - Backbone - Bridge - Backbone - Terminal

Figure 1: Different Diols used for the synthesis of PU


Click on the icons below to discover more about UBE Eternacoll® Polycarbonate Diols:

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Case Studies from Polycarbonate Diols for durable PU

Hot melt automotive adhesives: reliable adhesion and durability

The automotive industry is confronted with increasing complexity and pressure to innovate, with shorter technology cycles. Additionally, regulatory requirements are getting stricter and stricter in terms of safety and reliability. In this context, manufacturers and suppliers are to provide the most reliable products. And PU adhesives play an important part.
Polyurethane adhesives are broadly used in the automotive industry. So how can we make sure to provide the most durable Polyurethane Adhesives in harsh conditions?
UBE ETERNACOLL® Polycarbonate Diols significantly improve the performance of Polyurethane adhesives. Indeed, they bring improved durability, excellent adhesion in demanding conditions, and short curing time for long lasting and high performance PU adhesives.

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Boost the adhesion and durability of Polyurethane adhesives for Industrial assembly

Industrial assembly adhesives carry a lot of challenges. More efficient than traditional diols, Eternacoll® PCD leverage the benefits of Polyurethane adhesives and deliver excellent adhesives strength to metal & plastics substrates, as well as best-in-class durability thanks to enhanced resistance to high temperatures and hydrolysis.

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Improve the durability of your Polyurethane Adhesives in harsh conditions

UBE Eternacoll® is a large platform of polycarbonate polyols used in the formulation of polyurethane-based adhesives. These products offer customizable possibilities providing superior and long-term retention of designed performances, without modification of initial properties after being exposed in harsh environments.

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Maximize the durability of your Polyurethane Sealants in harsh conditions

Ideal for Sealants, UBE Eternacoll® Polycarbonate Diol enables to easily meet specifications and boost the resistance of Polyurethane to mechanical aggressions such as abrasion, leading to cracks. It also provides an outstanding durability thanks to the excellent retention of initial properties, even under extreme conditions.

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Footwear adhesives: Take your Polyurethane formulation to the next level

Polyurethane adhesives are broadly used for attaching the upper to the shoe sole. But how can you make sure that your PU water-based adhesives achieve good bond strengths? And how can you improve your current solvent-based systems too? 

Eternacoll® Polycarbonate Diols significantly improve the performance of waterborne and solvent-based PU adhesives. They bring improved durability, excellent adhesion to a variety of substrates, and an increased resistance to hydrolysis for long lasting and high performance PU Footwear adhesives.

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