A treatment method for improving the fastness to soaping and fading of dyed fabrics and dyed fabrics
A treatment method, a technology of dyed fabrics, applied in dyeing, fiber treatment, textiles and papermaking, etc., can solve the problems of formaldehyde release, heavy metal exceeding the standard, water pollution, etc., and achieve the effect of easy-to-obtain raw materials, low price and simple process
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Embodiment 1
[0033] The dyed fabric that adopts in the present embodiment is the dyed fabric dyed with madder natural dye, and weight is 5g.
[0034] 1) Preparation of Silica Hydrosol
[0035] Dilute liquid industrial water glass (modulus 2.3) with a certain amount of deionized water to a water glass solution with a concentration of 2wt%, add acidic catalyst concentrated hydrochloric acid dropwise while stirring, control the pH value to 10.5, continue stirring for 60 minutes, and age , to obtain a transparent silica hydrosol, and the obtained silica hydrosol has a high particle size uniformity and is relatively stable. The particle size distribution of silica hydrosol is shown in figure 1 shown.
[0036] 2) Treatment of colored fabrics with silica hydrosol
[0037] Use silica hydrosol to pad the dyed fabric, two dips and two pads, with a liquid retention rate of 80%, and dry at 80°C;
[0038] 3) Preparation of cetyltrimethoxysilane hydrolyzate
[0039] Mix cetyltrimethoxysilane and ab...
Embodiment 2
[0043] The colored fabric adopted in the present embodiment is the colored fabric dyed with acid dye scarlet G, and the weight is 5g.
[0044] 1) Preparation of Silica Hydrosol
[0045] Dilute liquid industrial water glass (modulus 2.3) with a certain amount of deionized water to a water glass solution with a concentration of 3 wt%, add acidic catalyst concentrated hydrochloric acid dropwise while stirring, control the pH value to 10.5, continue stirring for 100 min, and age , to obtain a transparent silica hydrosol, and the obtained silica hydrosol has a high particle size uniformity and is relatively stable.
[0046] 2) Treatment of colored fabrics with silica hydrosol
[0047]Use silica hydrosol to pad the dyed fabric, two dips and two pads, with a liquid retention rate of 80%, and dry at 80°C;
[0048] 3) Preparation of cetyltrimethoxysilane hydrolyzate
[0049] Mix cetyltrimethoxysilane and absolute ethanol into cetyltrimethoxysilane solution with a concentration of 3w...
Embodiment 3
[0053] The colored fabric that adopts in the present embodiment is the colored fabric that reactive dye blue KN-R dyes, and weight is 10g.
[0054] 1) Preparation of Silica Hydrosol
[0055] Dilute liquid industrial water glass (modulus 2.3) with a certain amount of deionized water to a water glass solution with a concentration of 5 wt%, add acidic catalyst concentrated hydrochloric acid dropwise while stirring, control the pH value to 10.5, continue stirring for 180 min, and age , to obtain a transparent silica hydrosol, and the obtained silica hydrosol has a high particle size uniformity and is relatively stable.
[0056] 2) Treatment of colored fabrics with silica hydrosol
[0057] Use silica hydrosol to pad the dyed fabric, two dips and two pads, with a liquid retention rate of 100%, and dry at 100°C;
[0058] 3) Preparation of cetyltrimethoxysilane hydrolyzate
[0059] Mix cetyltrimethoxysilane and absolute ethanol into cetyltrimethoxysilane solution with a concentrati...
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Abstract
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