Sodium polyacrylate, with the chemical formula (C3H3NaO2)n, is a new type of functional polymer material and important chemical product. The solid product is a white or light yellow block or powder, and the liquid product is a colorless or light yellow viscous liquid. It is obtained from acrylic acid and its esters as raw materials through aqueous solution polymerization. It is odorless, soluble in sodium hydroxide aqueous solution, and precipitates in calcium hydroxide, magnesium hydroxide and other aqueous solutions. It is often used as water treatment agent, salt water refining and latex thickening. It can also be used as food thickening and emulsification.
(1) Bread, cakes, noodles, macaroni, increase the utilization rate of raw materials, improve the taste and flavor. The dosage is 0.05%.
(2) Minced aquatic products, canned food, dried seaweed, etc., strengthen tissue, maintain freshness and enhance taste.
(3) Seasoning sauce, tomato sauce, mayonnaise, jam, cream, soy sauce, thickener and stabilizer.
(4) Juices, wines, etc., dispersants.
(5) Ice cream and caramel can improve the taste and stability.
(6) Frozen food, processed aquatic products, surface jelly (preservation).
1. It has the following effects in food:
(1) Enhance the protein binding force in raw flour.
(2) The starch particles are combined with each other to disperse and penetrate into the protein network structure.
(3) Form a dense dough with a smooth and shiny surface.
(4) Form a stable dough gel to prevent soluble starch from exuding.
(5) The water retention is strong, so that the moisture is evenly maintained in the dough to prevent drying.
(6) Improve the ductility of the dough.
(7) Stably disperse the fats and oils in the raw materials into the dough.
2. As an electrolyte interacts with protein, it changes the structure of protein, enhances the viscoelasticity of food, and improves tissue.
3. Because it dissolves slowly in water, it can be mixed with sugar, powdered starch syrup, emulsifier, etc. in advance to increase the dissolution speed.
4.Used as a clarifying agent (polymer coagulant) for sugar liquid, salt water, beverages, etc.
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Item | STANDAARD | Test RESULTS |
Appreance | wit poeder | |
Free alkail | Not react with phenolphthalin | Pass |
Sulfate ( test SO4) , % max | ≤ 0.49 | < 0.49 |
Arsenic ( test As2O3), ppm max | ≤ 2 | < 2 |
Heavy Metal ( test Pb), ppm max | ≤ 20 | < 20 |
Residual Monomer, % max | ≤ 1 | 0.61 |
Oligomer, % max | ≤ 5 | 4.14 |
Starch | Unchanged blue in Iodine | Pass |
Loss on drying ( 105ºC, 4 hours), % max | ≤ 10 | 3.26 |
Residue on ignition, % max | ≤ 76 | 68.19 |
Viscosity ( Rotational Viscometer No.3 rotor, 30 rotate speed, 0.2% water solution, 30ºC), cps |
860 |
Sodium polyacrylate, chemical formula (C3H3NaO2)n, is a new type of functional polymer materials and important chemical products, solid products for white or light yellow block or powder, liquid products for colorless or light yellow viscous liquid. Tasteless, precipitated in calcium hydroxide, magnesium hydroxide and other aqueous solutions.
1, used as corrosion and scale inhibitor, water quality stabilizer, paint thickening agent and water retention agent, flocculant, drilling mud treatment agent, etc.
2, used for circulating cold water treatment of copper equipment, its scale inhibition effect is good. When the dosage is 100 mg/L, it can form chelates with scale forming ions in medium hardness water and flow with water, and can prevent the formation of iron oxide scale.
3, used as a fluid loss reducer in low solid phase drilling industry.
4, good dispersant. It can be used in combination with other water treatment agents for the treatment of oilfield water injection, cooling water and boiler water.
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Gesproken taal: Engels.
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