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Polycarbonate Diols (PCD) are used for a wide range of Polyurethane Coatings, 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 coating 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:

Discover more about UBE Polycarbonate Diols
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Case Studies from Polycarbonate Diols for durable PU Center

Formulate extremely durable PU for oil & mining pipes exterior coatings

UBE Eternacoll® Polycarbonate Polyol is the ideal raw material for formulation of Polyurethane-based exterior pipe coatings. Why? Because it helps to provide an improved durability to PU thanks to increased chemical and mechanical resistance.

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Maximize the durability of your Polyurethane Pavements in extreme conditions

UBE Eternacoll® Polycarbonate Diol is the ideal raw material for formulation of Polyurethane-based pavements. Why? Because it helps to provide an improved durability to PU thanks to improved mechanical properties, better resistance to extreme temperatures and excellent vehicle fluids resistance.

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Upgrade the durability of transparent PU glass coatings

As a formulator of transparent PU based coatings, it is critical for you to formulate high clarity and durable Polyurethane. Fortunately for you, UBE has developed Eternacoll® Polycarbonate Diol, the solution you need to formulate highly transparent and extremely durable PU glass coatings!

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Bring unique balance between flexibility and durability to PU Leather Coatings and Artificial Leather

As a formulator of Polyurethane Coatings for Leather applications, you are sick of trying to formulate Polyurethane coatings that are flexible enough to avoid cracks, without significantly reducing their long-lastingness.
Formulators of PU Leather Finishing and Artificial Leather Coatings greatly appreciate Eternacoll® Polycarbonate Diols for the excellent balance they provide among your desired touch feeling, flexibility and durability.
Plus, in addition to bringing flexible and long-lasting PU formulations, UBE Eternacoll® also outperform other Diols in terms of adhesion to substrates.

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Leverage the durability and weatherability of Polyurethane Wood Coatings

Polyurethane wood coatings are frequently exposed to harsh environments such as heat, UV, stains, scratch and abrasion.
For this, they have to be highly resistant to heat, UV, hydrolysis, chemicals, stains, exposure to scratch & abrasion or solvents. However, it is not easy to develop a durable Polyurethane wood coating without having to compromise on flexibility.
To cope with this, UBE has developed Eternacoll® Polycarbonate Diols, specific raw materials for Polyurethane that bring best-in-class durability, excellent weatherability and tunable balance between hardness and softness to wood coatings.

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Downloads from Polycarbonate Diols for durable PU Center

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