ETERNACOLL® polycarbonate diols (PCD) and ETERNATHANE® polycarbonate-based polyurethane prepolymers are used for a wide range of Polyurethane Coatings, providing extreme durability and high performance to the final polymer. These products offer customizable possibilities for superior & long-term retention of designed performances.

Polycarbonate Diols and Polycarbonate-based Prepolymers

ETERNACOLL® polycarbonate diols (PCD) and ETERNATHANE® polycarbonate-based polyurethane prepolymers to produce extremely durable Polyurethane (PU)

Polycarbonate Diols (PCD) and Polycarbonate-based polyurethane Prepolymers are used for a wide range of polyurethane-based coating formulations, providing 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 Polycarbonate Diols or
Polycarbonate-based Polyurethane prepolymers 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 and ETERNATHANE® polycarbonate-based polyurethane prepolymers:

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Product
ETERNACOLL® UD100

ETERNACOLL® UD100 by UBE is a linear aliphatic unsaturated polycarbonate diol. It is solvent-free and recommended for UV-curing applications.

Product
ETERNACOLL® UT200

Solvent-free linear aliphatic polycarbonate diol. Polyurethanes produced from this grade are superior to those based on polyether diol as well as polyester diol and provides high thermal stability, optimum performance at low temperature, high flexibility, high chemical resistance as well as high mechanical properties.

Product
ETERNACOLL® UHC50-200

Solvent-free liquid aliphatic polycarbonate diol. Polyurethanes produced from this grade are superior to those based on polyether diol as well as polyester diol and provides high thermal stability, flexibility, high chemical resistance as well as high mechanical properties.

Product
ETERNACOLL® UHC50-100

Product
ETERNACOLL® PH300D

Solvent-free liquid copolycarbonate diol. Polyurethanes produced from this grade are superior to those based on polyether diol as well as polyester diol and provides flexibility, softness, high chemical resistance as well as high mechanical properties.

Product
ETERNACOLL® PH200D

Product
ETERNACOLL® PH100

Product
ETERNACOLL® PH50

Brochure
Frequently Asked Questions about Polycarbonate Diols

Get all the answers to frequently asked questions about Polycarbonate Diols: Technical Performance, Formulation and Product Selection.

Tech Paper
Webinar Presentation Achieve best in class durability of PU based Coatings and Adhesives

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. Download the webinar presentation to learn more!

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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2136 Kb

Novel polyurethane coatings obtained with polycarbonate diol for pipelines with improved mechanical properties and hydrolysis resistance

Improve durability, mechanical properties and abrasion resistance of PU coatings for pipelines. Learn in this Tech presentation how the addition of polycarbonate diol offers a huge improvement in the mechanical properties of PUs.

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482 Kb

Polycarbonate Diols for Polyurethane Elastomers, Sealants and Coatings in the mining industry

For mining & oil pipe coatings, it’s critical to develop an exterior coating that can resist to very harsh environmental conditions such as intense abrasion and extreme weather, so superior durable coatings are a must-have for this application. In this scenario, UBE Eternacoll® helps to provide an improved durability to PU thanks to increased chemical and mechanical resistance, reducing the overall maintenance costs. Learn more in this tech paper.

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2184 Kb

UBE Corporate Brochure

UBE Industries, Ltd. is a Japanese company providing higher value-added chemicals for five different markets:
- Specialty Chemicals & Products
- Chemicals & Plastics
- Cement & Construction Materials
- Machinery and Metal Products
- Energy and Environment

Discover more by downloading the Corporate brochure!

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2982 Kb

UBE Eternacoll® Polycarbonate Diols Brochure

Do you want to increase the durability of your Polyurethane formulation? Discover UBE Eternacoll®, a range of high performance Polycarbonate Diols. These products offer customizable possibilities for superior & long-term retention of designed performances, with no modification of initial properties after being exposed to harsh environments.

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3112 Kb

Use of Polycarbonate Diols for improving durability of coatings obtained from waterborne polyurethane dispersions

UBE ABRAFATI 2013 Presentation: Use of polyol mixtures including Polycarbonate Diol for improving performance of coatings obtained from Waterborne Polyurethane Dispersions. Applications: Coatings & Inks, Automotive Industry, Footwear and Biomaterials.