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A Study on the Pad Dyeing Process of PET/PA Superfine Non-woven Fabrics

Jianming Wang

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Abstract

The PET/PA superfine non-woven fabrics were dyed with Terasil disperse dyes by pad dyeing.The effects of alginate sodium,diffusion accelerator PB,temperature and time of baking on the K/S value and levelness were studied.The optimal dyeing processes were the concentration of alginate sodium 10 g/L,the concentration of diffusion accelerator PB 5 g/L,the temperature of baking 170℃,the time of baking 2.5 minutes.The fastnesses of dyed PET/PA superfine non-woven fabrics were above 3-4.

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What this paper is about

The PET/PA superfine non-woven fabrics were dyed with Terasil disperse dyes by pad dyeing.The effects of alginate sodium,diffusion accelerator PB,temperature and time of baking on the K/S value and levelness were studied.The optimal dyeing processes were the concentration of alginate sodium 10 g/L,the concentration of diffusion accelerator PB 5 g/L,the temperature of baking 170℃,the time of baking 2.5 minutes.The fastnesses of dyed PET/PA superfine non-woven fabrics were above 3-4.

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Available abstract

The PET/PA superfine non-woven fabrics were dyed with Terasil disperse dyes by pad dyeing.The effects of alginate sodium,diffusion accelerator PB,temperature and time of baking on the K/S value and levelness were studied.The optimal dyeing processes were the concentration of alginate sodium 10 g/L,the concentration of diffusion accelerator PB 5 g/L,the temperature of baking 170℃,the time of baking 2.5 minutes.The fastnesses of dyed PET/PA superfine non-woven fabrics were above 3-4.

Key concepts: Dyeing, Diffusion, Sodium alginate, Materials science, Chemical engineering, Sodium, Disperse dye, Composite material

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