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Topics - Tanvir Ahmed Chowdhury

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Common Forum/Request/Suggestions / Aim of Human
« on: April 20, 2017, 10:35:14 PM »
What should be the aim of a Human Being:
i) Ensure Happiness or
ii) Achieve some physical facilities like money to be happy

Textile Engineering / Natural Dye
« on: January 21, 2017, 08:18:42 AM »
Lets discuss about natural sources of dye to color textile material.

Textile Engineering / Advantage of dyeing in Carrier method
« on: January 18, 2017, 10:39:01 AM »
i) Possibility of dyeing in simple dyeing equipments at atmospheric pressure at temp of up to 100 C for polyester fiber.
ii) Reduced dyeing cycle due to accelerate dyeing.
iii) Improved fatness properties due to increased perpetration in the fiber.
iv) Moderate level dyeing in polyester dyeing.
v) Increased rate of dyeing.
vi) Increased leveling.
v) Some carriers reduce the staining of wool while dyeing polyester/ wool. blends.

Textile Engineering / Methods of application of disperse dyes
« on: January 18, 2017, 10:38:22 AM »
Dyeing of Polyester fabric with Disperse dyes.:
i) Method N  Normal temperature dyeing (80-100C)
ii) Method NC  Normal temp dyeing with carriers (80 – 100C)
Or carrier method.
iii) Method HT  High temp dyeing (105 - 140C)
iv) Method T  Thermosol method (180 - 200C)
v) Method pad Batch  Semi continuous method.
vi) Pad steam method  Continuous method.

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