Optical Brightener BA-CA
Chemical Name: Stilbene derivative
Molecular Formula: C40H42N12O10S2.2Na
Molecular Weight: 960.958
Structure:
CAS Number:12768-92-2
Specification
Appearance: Yellow powder
Fluorescent Color: Similar to the standard sample
Whitening strength: 100±3( compared with standard sample)
Moisture: ≤6%
Ionic character: anionic
Treating process:
exhausting whitening process:
BA530: 0.05-0.3% (o.w.f.), bath ratio: 1:5-30, dyeing temperature: 40°C-100°C;Na2SO4:0-10g/l.,start temperature :30°C , heating rate:1-2°C /min, keep the temperature at 50-100℃ for 20-40min, then lower to 50-30°C –> wash–> dry( 100°C ) –> setting (120°C -150°C )×1-2 min( add proper amount leveling agent according to the leveling effect).
Padding Process:
BA530:0.5-3g/l, residue liquor ratio:100%, one dip and nip –> dry( 100°C ) –>setting (120°C -150°C )×1-2 min
Use:
Mainly be used as brightener of cotton, linen, silk, polyamide fiber ,wool and paper.
Package and Storage
1. 25kg bag.
2. Store the product in a cool, dry, well-ventilated area away from incompatible materials.