Tuesday, February 28, 2017

Optical Brightener for Polyester - China Supplier of Optical Brightening Agents

 Optical Brightener for Polyester

Optical Brightener are added to many materials to reduce yellowing, improve whiteness, and to enhance the brightness of a product.

Optical Brightener Properties:

1. High whitening strength and strong fluorescence.
2. Wide application scope: polyester, nylon fiber and various plastics.
3. Excellent resistance to high temperature.
4. Excellent compatibility with PVC and other polar polymers, migration endurance.

Optical Brightener Use Method: 

1)pad-dyeing hot-melt method
dosage:1-3g/L(adjust according to the sample test)                  
technological process: two-bath two-pad (pick-up rate 70%) → pre-baking(100℃) → baking(180-200℃,20-30s)
2)exhaust dyeing
bath ration:1:10-30;
PH:5-10(better for weak acid bath)
technological process: 98-100℃(low-temperature)×30-60min → wash → parch → finalize
120-130℃(high-temperature)×30-60min → wash → parch → finalize

China professional manufacturer of Optical Brightener, welcome to buy Optical Brightener for Polyester. Email: info@shinechems.com

this article is published by China manufacturer and supplier of Optical Brightener for Polyester - Wuhan Shine Technology Co., Ltd.

article from http://www.shinechems.com/tag/Optical-Brightener-for-Polyester.htm

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