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28. Juli 2020

Lubrizol: UV and colour-stable TPU grade for hot melt adhesives in outdoor applications

Lubrizol Engineered Polymers announced that it has launched a plasticiser-free Pearlbond 920 TPU for hot melt adhesives that require a UV and colour-stable material in outdoor applications. The material is said to offer superior weatherability, very good hydrolysis resistance and can be applied in sportswear, edge banding in furniture, interlinings, reflective tapes, automotive interiors and awnings.

Pearlbond 920 TPU is applied in hot melt adhesives in awnings, among other end applications, for best outdoor performance as it provides UV resistance. (Source: Lubrizol)

Pearlbond 920 TPU is applied in hot melt adhesives in awnings, among other end applications, for best outdoor performance as it provides UV resistance. (Source: Lubrizol)

Soft, plasticizer-free with a high flexibility across a very wide range of temperatures, this new grade can be heat-activated at low temperatures on a wide range of equipment such as extrusion (slot die, flat die, blown film and gravure roller coating machines) and powder coating making it an ideal choice when bonding delicate substrates such as leather, said the manufacturer. The TPU’s good “wetting” properties are said to ensure a very high bonding strength without compromising soft touch feel or flexibility.

According to Lubrizol, alternative materials like aromatic TPU under outdoor heat may discolour when exposed to light, leading to potential aesthetic problems first and performance failures later. Pearlbond 920 TPU is said to combine very good mechanical properties with UV resistance. These attributes allow products to be in use longer, making it a unique choice for the most demanding outdoor adhesive applications.

James Ruben, adhesives new business development manager for Engineered Polymers, said: “Lubrizol’s new grade is offering sustainability, durability and a strong bonding strength to a multitude of substrates such as PET, PA fabrics, cotton and many other textiles. It is potentially compliant of BlueSign and Oeko-Tex certifications, depending on the end use.”

www.lubrizol.com

 

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