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China, Chinese Optical Brightener Ebf-L C. I. 185 Liquid (ZDHC MRSL V3.1) Oba for Polyester Fabrics High Light Fastness1 Industrial Products Supplier Manufacturer Details, price list catalog:
China Industrial Products Supplier Manufacturer List Catalog
Chemical Auxiliary CatalystPlastic Auxiliary AgentEbf-LOptical Brightener Ebf
Afine Chemicals Limited
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Product Description Optical Brightener EBF-LCHEMICAL STRUCTUREBenzoxazol derivativesPROPERTIES Appearance Ivory dispersion Ionicity AnionDyeing shade Slightly bluish APPLICATIONIt's used for Optical Brightening Agent on polyester and its blends,and suitable for both exhaustion and padding, have excellent light fastness (7-8 grade),there are good stability for acid,hard water,peroxide & chlorite bleaching. The quality is counter of Uvitex EBF (Huntsman).PROCESS METHOD1. Exhaustion process under high temperature:Dosage: EBF-L 0.1-1.0% o.w.f.; Dispersant:0.5-1g/l;Acetic acid adjustment: PH=4.5-5.5; Temperature: 120-130oC; Time:20-40min.2. Continuous padding process:Dosage: EBF-L 2-10g/l;Other auxiliaries: xg/l; Temperature: 180-185oC; Time:30 sec;Dip&squeeze: pick up 60-100%.3. Single-stage optical brightening &resin finishing:Dosage:EBF-L 1-10g/l; Silicone softener:10-40g/l;Resin: (Melocol: xg/l,resin catalyzer: xg/l); Baking time: 130oC×1min, Dip&squeeze: pick up 40-60%; Cure time:160-185oC× 2-3 min. Detailed process is according to customer's request.STORAGE & PACKINGSealed in storage, keeping date is 12 months under room temperature.25kg plastic drum or as per customer's request.
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