Optical brightening agent BA (C.I.NO.113)

Detailed Product Description

Optical Brightening Agent BA(C.I.113)

Chemical name

Stilbene derivative

Structural formula

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:

1.exhausting whitening process:

BA: 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).

2. Padding Process:

BA: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:

It is packed in 20Kgs paper board bucket..It can be packed according to the requirement of the user.

Note: It needs to be declared that the above data is based on our present knowledge and experience; owing to too many affecting factors, these data cannot be free from their check and test when processing and using the product.

Place of Origin:

Zhejiang in China