AVCO-CID HTA 200
Rainbow is Avco preferable colour!
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- Textile
- Textile Auxiliaries
- Dyeing
- Acid buffer and donor
AVCO-CID HTA 200
An acid donor that creates acidity when solutions of the product are heated up. The pH of 0.1% AVCO-CID HTA 200 is 6.5 - 7.5, and when heated to the boil the pH decreases to 4.5 - 5.5. The rate of dissociation is slow in cold solution sand increases while heating up.
Properties & uses:
- An acid donor which evenly and slowly hydrolizes in hot aqueous solution to produce an organic acid
- During the hydrolizing process the organic acid produced is lowering the pH of the solution down to 4.5 - 5.5 according to the concentration in the liquor
- The rate of the dissociation is slow in cold solutions and increases when the temperature is raised
- Useful for dyeing acid and metal complex dyes. As the exhaution rate of acid dyes is pH dependent, the slow lowering of the pH in a dyeing solution containing the product, ensures more level dyeing, due to slower exhaution rate of the dyestuffs onto the fibres
- Recommended for even dying of polyamide, wool and blends of these fibres
- When using the product, the initial temperature of the dyeing can be increased, and the rate of heating up may be faster, thus reducing dyeing time
- Does not influence any of the fastness properties of the dyed fibres
Ionicity:
- Nonionic
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