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Product name
Ultrazol ERN Polyester OBA
Alternative names
Brightener ERN, 2,2'-vinylenebis[5-methylbenzoxazole], C.I. 481520
Description
Ultrazol ERN polyester oba is the chlorite bleach stable optical brightener with very good lightfastness and wash fastness properties. Ultrazol ERN polyester oba is the long established benzoxazole C.I. FBA 135 suitable for application by the pad thermasol method.
FBA 135 was developed by the Swiss chemical manufacturer CIBA Geigy and sold by them for many years as a branded product and found wide acceptance in textile dye houses. Their choice of benzoxazole chemistry made a very successful well fixed product with solubility in polyester at the application temperature.
We recommend the book Fluorescent Brightening Agents by Anliker and Mueller to anyone wishing to understand benzoxazole chemistry.
Application
OBA, OBA for Plastics
Quantity
25Kg
Package
Keg
Availability
Ask about Availability
Other information
C.I. 481520
Further reading & references
Below you’ll find a curated collection of references related to this product. These sources include academic research, review articles, and case studies that explore the chemistry, applications, and sustainability benefits our products. Whether you’re looking for in-depth technical details or broader insights into their real-world use, these references are a great place to start.
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Fluorescent Whitening Agents
Anliker, Mueller. Publisher, Georg Thieme Stuttgart.
Product number
61PER25
CAS Number
1041-00-5
EC Number
241-271-7
