Preparation of an environmentally friendly color-fixing agent for natural pigments and its color-fixing method
A technology of natural pigments and color fixing agents, which is applied in the fields of dyeing, textiles and papermaking, etc., can solve the problems of poor washing fastness and poor color fastness of natural pigments, so as to reduce energy consumption, improve wet treatment fastness, The effect of increasing the difficulty of melting
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Embodiment 1
[0014] A preparation of an environment-friendly color-fixing agent for natural pigments and a color-fixing method thereof, comprising the steps of:
[0015] First, completely dissolve zein in ethanol solution to make a transparent and yellowish solution; secondly, add plasticizer citric acid and additives sodium chloride, JFC-1, Pingpinga O-25 into the prolamin solution Add it to dissolve it to make a post-treatment solution; finally, pad the dyed cloth in the post-treatment solution and dry it.
[0016] In the above example, the mass fraction of zein solution is 40 parts, the ethanol solution is 85% ethanol aqueous solution, and the dissolution temperature is 40°C.
[0017] In the above example, the mass parts of citric acid are 20 parts, sodium chloride is 2 parts, JFC-1 is 2 parts, Pingpingjia O-25 is 1 part, the dissolution temperature is 40°C, and the dissolution time is 30 minutes.
[0018] In the above example, the dyed cloth is viscose cloth dyed with capsanthin, and ...
Embodiment 2
[0020] A preparation of an environment-friendly color-fixing agent for natural pigments and a color-fixing method thereof, comprising the steps of:
[0021] Firstly, zein was completely dissolved in ethanol solution to make a transparent and yellowish solution; secondly, plasticizer glycerin and additives sodium chloride and JFC-1 were added to the prolamin solution, and dissolved to make it into a post-treatment solution; finally, the dyed cloth is dipped in the post-treatment solution and dried.
[0022] In the above example, the mass fraction of zein liquid is 45 parts, the ethanol solution is 90% ethanol aqueous solution, and the dissolution temperature is 40°C.
[0023] In the above example, the mass fraction of glycerin is 30 parts, sodium chloride is 2 parts, JFC-1 is 1 part, the dissolution temperature is 45° C., and the dissolution time is 30 minutes.
[0024] In the above example, the dyed cloth is viscose cloth dyed with curcumin, and the padding is three dipping a...
Embodiment 3
[0026] A preparation of an environment-friendly color-fixing agent for natural pigments and a color-fixing method thereof, comprising the steps of:
[0027] First, completely dissolve zein in ethanol solution to make a transparent and yellowish solution; secondly, add plasticizer polyvinyl butyral and auxiliary agent JFC-1 into the prolamin solution and dissolve it Make a post-treatment solution; finally, pad the dyed cloth in the post-treatment solution and dry it.
[0028] In the above example, the mass fraction of zein solution is 50 parts, the ethanol solution is 90% ethanol aqueous solution, and the dissolution temperature is 40°C.
[0029] In the above example, the mass fraction of polyvinyl butyral is 20 parts, JFC-1 is 3 parts, the dissolution temperature is 70° C., and the dissolution time is 30 minutes.
[0030] In the above example, the dyed cloth is viscose cloth dyed with capsanthin, and the padding is two dipping and two padding, the first dipping is 10 minutes,...
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