A kind of matrix water-retaining agent and preparation method thereof
A technology of water-retaining agent and matrix, which is applied in the fields of agriculture and forestry. It can solve the problems of slow degradation rate, poor water-retaining capacity and high cost of polymer compounds, and achieve the effects of improving physical and chemical properties, long water-retaining time, and moderate pH
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Embodiment 1
[0058] 1. Prepare raw materials according to the following weight
[0059] Sodium Carboxymethyl Cellulose 200g
[0060] β-cyclodextrin 200g
[0061] Soluble starch 200g
[0062]
[0063] 2. Add the additive soluble starch, binder β-cyclodextrin and sodium carboxymethyl cellulose to 4020 g of water, mix well, and make a pretreatment mixture, wherein the total weight of the additive and the binder is equal to the weight of the water The weight ratio is 1: 6.7, the weight ratio of β-cyclodextrin and carboxymethyl cellulose sodium in the binder is 1: 1, and the ratio of the total weight of additives to the total weight of the binder is 1: 2;
[0064] 3. Heat the uniformly mixed pretreatment mixture and stir evenly. The heating temperature is 60°C and heat treatment for 15 minutes, so that sodium carboxymethylcellulose and β-cyclodextrin are dispersed in water, and the soluble starch is completely gelatinized. form a colloidal mixture;
[0065] 4. Put the colloidal mixture i...
Embodiment 2
[0067] 1. Prepare raw materials according to the following weight:
[0068] Sodium Carboxymethyl Cellulose 285.7g
[0069] β-cyclodextrin 571.4g
[0070] Bamboo Charcoal Powder 192.9g
[0071]
[0072] Among them, the particle size of bamboo charcoal powder is 0.25-0.5mm;
[0073] 2. Add the additive bamboo charcoal powder and the binder β-cyclodextrin and sodium carboxymethylcellulose into water with a weight of 1700g, mix well, and make a pretreatment mixture, wherein the total weight of the additive and the binder is equal to that of the water The weight ratio is 1: 1.6, the weight ratio of β-cyclodextrin and carboxymethyl cellulose sodium in the binder is 2: 1; the ratio of the total weight of additives to the total weight of the binder is 1: 4.4;
[0074] 3. Heat the uniformly mixed pretreatment mixture and stir evenly. The heating temperature is 65°C and heat treatment for 10 minutes to disperse sodium carboxymethyl cellulose, β-cyclodextrin and bamboo charcoal pow...
Embodiment 3
[0077] 1. Prepare raw materials according to the following weight:
[0078]
[0079] Among them, the particle size of bamboo charcoal powder is less than 0.25mm.
[0080] 2. Add additives soluble starch, bamboo charcoal powder, binders β-cyclodextrin and sodium carboxymethyl cellulose to water with a weight of 1200g, mix well, and make a pretreatment mixture, wherein the total weight of additives and binders The weight ratio with water is 1:12, the weight ratio of β-cyclodextrin and sodium carboxymethyl cellulose in the binder is 1:1; the ratio of the total weight of additives to the total weight of binder is 1: 1.6;
[0081] 3. Heat the uniformly mixed pretreatment mixture and stir evenly. The heating temperature is 65°C, heat treatment for 20 minutes, disperse sodium carboxymethylcellulose, β-cyclodextrin, and bamboo charcoal powder in water, and soluble starch paste Completely melted to form a colloidal mixture;
[0082] 4. Put the colloidal mixture in an oven for dry...
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