Cotton nylon blend fabric dyeing process Introduction:
Cotton nylon blend fabric dyeing process is a unique prcedure. For knit fabric dyeing industry is an uncommon dyeing process. Cotton dyeing is an alkaline medium process. Nylon dyeing is an acidic medium dyeing process. On the other hand, cotton needs reactive dyes and nylon needs acid dyes. As a result, is a critical dyeing process.
So that it needs two batch dyeing process to make it solid look. First, we have to dye the cotton part and then we have to dye the nylon part. We can also reverse it. Cotton dyeing at first is a good practice. Because reactive dyes has good fastness properties than acid dyes.
In the Cotton nylon blend fabric dyeing process, cotton parts needs 600c for dye fixup, and nylon needs 980c-1000c temperature for bonding. So that at 980c temperature reactive dye can be lighter a little bit. For this reason, we should keep the cotton shade 10% darker than the master shade.
50:50 Cotton nylon blend knit fabric dyeing process- Newest process for practical use:
Step by step dyeing process are given below
scouring with soda ash
Ctn part dyeing 10%-15% dark BD
Normal hot, acid
Europion OS hot 98*10minute
Nylon part dyeing
Dyes 3% (according to required shade%)
Tempeture 40c color dosing 10 minute
rice tipmperature 980c/10c
Runtime 30 minute
Soaping agent 2 g/l and rise 800c
Runtime 15 minute
Fixing with fixing agent at normal temperature 300c
Check the pH 5-5.50
The given Cotton nylon blend fabric dyeing process is the most famous process for he textile industry for knit fabric. Everyone can use it for production.
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