Optical Brightener KSB (CAS 7128-54-5): Comprehensive Technical Guide
Table of Contents
- Product Overview
- Technical Specifications & Comparative Analysis
- Industrial Applications
- Implementation Guidelines
- Client Success Stories
- Request Customized Solutions
Product Overview
Optical Brightener KSB (CAS 7128-54-5) is a high-performance fluorescent whitening agent engineered to enhance material luminosity through ultraviolet-to-visible light conversion. This compound is particularly effective in neutralizing yellow undertones and achieving superior brightness in polymer-based substrates.
Technical Specifications
| Parameter | Specification |
|---|---|
| CAS Number | 7128-54-5 |
| Chemical Class | Stilbene Derivative |
| Absorption Range | 340-370 nm (UV-A spectrum) |
| Emission Range | 420-470 nm (Blue-Violet spectrum) |
| Thermal Stability | Stable up to 300°C |
Performance Comparison
| Parameter | KSB | OB-1 | KSN |
|---|---|---|---|
| Whiteness Index (ISO) | 158 | 142 | 135 |
| UV Resistance (500h) | ΔE<1.5 | ΔE<3.2 | ΔE<4.8 |
Industrial Applications
Polymer Enhancement
Injection molding resins achieve 12-15% higher luminosity values when formulated with 0.3-0.5% KSB concentration.
Textile Treatment
Demonstrates 98% wash-fastness in polyester blends at 0.8-1.2% dosage levels.
Implementation Guidelines
Plastic Compounding Protocol
Optimal results achieved through twin-screw extrusion at 230-260°C with 0.45% KSB loading.
Client Success Stories
Global Polymer Solutions
Achieved 22% improvement in product premiumization through KSB integration in ABS formulations.
Textile Innovators Ltd.
Reduced chemical consumption by 18% while maintaining ISO 105-B02 colorfastness standards.
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