Taiwan Dyestuffs & Pigments Corp.
OPTICAL BRIGHTENER AGENT - TOPWHITE PL
News > OPTICAL BRIGHTENER AGENT - TOPWHITE PL
Title:
OPTICAL BRIGHTENER AGENT - TOPWHITE PL
Date:
Content:
FOR PULP, PAPER WHITENING INDUSTRY USE.
HAS BETTER PERFORMANCE IN WET-END WHITENING.
1. CHEMICAL STRUCTURE：
Diamino Stilbene Disulphonic acid derivative
2. GENERAL PROPERTIES：
Appearance Light brownish liquid
Ionic character Anionic
Soluble temperature Cold water
pH range 5~12
3. APPLICATION:
WET-END WHITENING :
Under the consideration of convenience without masking the points, the acid whitening procedure can be simplified as follows :
For alkali paper making process:
3% pulp with fixed amount of fresh water and filler
→add OBA
→add Violet dyes
→add cationic starch
→add AKD
→dilute to 0.3%
→add retention aid
→adjust to pH 7.0~7.1 by alum.
→paper making process.
If you are interested in it, please feel free to contact us at tdpctw@gmail.com.