Environment-friendly mordant for natural dye and preparation method of environment-friendly mordant
A kind of natural dye, environment-friendly technology, applied in the field of textile printing and dyeing, can solve the problems of poor fastness of dyed and printed fabrics, poor stability of natural dyes, etc., achieve the effect of improving color fixing effect, improving reaction efficiency and reaction effect, and reducing usage
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Embodiment 1
[0026] An environment-friendly mordant for natural dyes, comprising the main components of the following percentages by weight:
[0027] Allanite 82%
[0028] Organic acid 10%
[0029] Graphene 0.2%
[0030] Dispersant balance;
[0031] Described organic acid is citric acid;
[0032] Described dispersant is sodium polyacrylate;
[0033] A preparation method for an environment-friendly mordant for natural dyes, comprising the following steps:
[0034] Step 1: pulverize allanite, pass through a 120-mesh sieve, and get the under-sieve;
[0035] Step 2: Add allanite powder into water, add graphene and dispersant, and grind to 800-1000nm by ball milling;
[0036] Step 3: Add organic acid and stir for 18 minutes at a speed of 850 rpm;
[0037] Step 4: Dry by spray drying to obtain an environmentally friendly mordant for natural dyes.
Embodiment 2
[0039] An environment-friendly mordant for natural dyes, comprising the main components of the following percentages by weight:
[0040] Allanite 75%
[0041] Organic Acid 12%
[0042] Graphene 0.3%
[0043] Dispersant balance;
[0044] Described organic acid is citric acid;
[0045] Described dispersant is sodium polyacrylate;
[0046] A preparation method for an environment-friendly mordant for natural dyes, comprising the following steps:
[0047] Step 1: pulverize allanite, pass through a 120-mesh sieve, and get the under-sieve;
[0048] Step 2: Add allanite powder into water, add graphene and dispersant, and grind to 1000-1200nm by ball milling;
[0049] Step 3: Add organic acid and stir for 20 minutes at a speed of 1000 rpm;
[0050] Step 4: Dry by spray drying to obtain an environmentally friendly mordant for natural dyes.
Embodiment 3
[0052] An environment-friendly mordant for natural dyes, comprising the main components of the following percentages by weight:
[0053] Allanite 85%
[0054] Organic acid 8%
[0055] Graphene 0.05%
[0056] Dispersant balance;
[0057] Described organic acid is citric acid;
[0058] Described dispersant is sodium polyacrylate;
[0059] A preparation method for an environment-friendly mordant for natural dyes, comprising the following steps:
[0060] Step 1: pulverize allanite, pass through a 120-mesh sieve, and get the under-sieve;
[0061] Step 2: Add allanite powder into water, add graphene and dispersant, and grind to 500-700nm by ball milling;
[0062] Step 3: Add organic acid and stir for 15 minutes at 800 rpm;
[0063] Step 4: Dry by spray drying to obtain an environmentally friendly mordant for natural dyes.
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