CLEVELAND—A new grade of TPU from Lubrizol Engineered Polymers is designed to be color-stable and resistant to UV light in hot melt adhesives in outdoor applications.
Pearlbond 920 TPU, the company claims, has good weatherability and hydrolysis resistance. Potential applications include sportswear, edge banding in furniture, interlinings, reflective tapes, automotive interiors and awnings.
It is soft and plasticizer-free, with high flexibility across a wide temperature range. It can be heat-activated at low temperatures on a wide range of equipment. Good wetting properties give it high bonding strength without compromising its soft touch feel or flexibility.
Lubrizol said alternative materials such as aromatic TPU can discolor when exposed to light under outdoor heat. This product, it said, avoids those problems.
"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," said James Ruben, the company's adhesives new business development manager. "It is potentially compliant of BlueSign and Oeko-Tex certifications, depending on the end use."
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