HTTEX 2191

(Phenolic yellowing resistant agent for nylon)

 

                                                                                                                                                                                                       

Main composition

-- Special surfactant derivatives.

 

General properties

-- Appearance:                     yellow transparent viscous liquid

-- Ionicity:                           anionic

-- pH:                                  6-8

-- Stability:                           stable to acid, electrolytes and mild alkali

-- Solubility:                         easily soluble in water

 

Properties and fields of application

-- Efficiently prevents storage yellowing due to the contact between white or pale nylon fibre and BHT (butylated hydroxytoluene) while BHT occurs in most plastic bags.

 

Application

-- Suitable for padding and exhaust dyeing. It can be used with bleaching agent in same bath or used at 70℃ after dyeing. It is suggested to add HTtex 2191 after drain of dyeing bath.

-- Padding:

HTtex 2191:                      20-40 g/L

Citric acid:                        2-5 g/L

Pad at room temperature with water retention at 80-85%, and dry at 120-140℃.

-- Dipping:

For white shade, HTtex 2191 can be used in same bath or add at 60-70℃, while for other shades, HTtex 2191 should be added after drain.

HTtex 2191:                      2-4%

Citric acid:                        0.5-1.0 g/L

Process at 70℃ × 20 -30 min, then dry.

 

Packing and storage

-- Packing:                           125 kg/polyethylene drum

-- Storage:                           6 months in sealed container at room temperature