Daffodil International University

Faculty of Engineering => Textile Engineering => Topic started by: Tanvir Ahmed Chowdhury on January 18, 2017, 10:33:47 AM

Title: Partial stripping methods
Post by: Tanvir Ahmed Chowdhury on January 18, 2017, 10:33:47 AM

Partial stripping is obtained by treating the dyed fabric with dilute acetic acid or formic acid. The commanded conc. is betn 5 to 10 parts glacial aid or 2.5 –10 parts of formic acid per 1000 parts of water
Recipe: Glacial acetic acid = 5 – 10 parts
   Water   --> 1000 parts
   OR
   Formic acid   --> 2.5 to 10 parts
   Water   --> 1000 parts
   Temp   --> 70-100oC
   Time   --> Until the desired shade is obtained.
Process- The goods are entered and temp is raise to 70-100oC and the treatment is continued until the shade has been reduced to the desired amount thoroughly washing is then necessary to remove the products of hydrolysis.

Title: Re: Partial stripping methods
Post by: naser.te on March 06, 2017, 02:38:38 PM

 :)

Title: Re: Partial stripping methods
Post by: Sharminte on May 11, 2017, 01:52:03 PM

 :)

Title: Re: Partial stripping methods
Post by: mominur on May 11, 2017, 03:11:09 PM

Thanks for sharing.........

Title: Re: Partial stripping methods
Post by: syful_islam on July 11, 2017, 12:00:08 PM

Would you pl. explain shading.

Title: Re: Partial stripping methods
Post by: munira.ete on January 08, 2018, 10:37:26 AM

Nice post.