Sodium Polyacrylate CAS 9003-04-7 PAAS
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- Appearance: White powder
- Purity: 99. 0%min
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Sodium Polyacrylate: The Complete Guide
Sodium Polyacrylate for Sale
|PAAS; Sodium acrylate; Acrylic sodium salt polymer
|Food additives; Pharmaceutical raw materials; Organic raw materials
What is Sodium Polyacrylate?
Polyacrylamide is a white powder, odorless, unappetizing, and also highly hygroscopic. Polymer substances with hydrophilic as well as hydrophobic groups. It slowly dissolves in water to create an incredibly thick transparent fluid. Its thickness is not as a result of water absorption as well as swelling, however as a result of the growth of its molecular chain, which reveals that the thickness boosts to create a high-viscosity service. Its viscosity is that of CMC and sodium alginate. 15 to 20 times. Heat treatment, neutral salts, and organic acids have little impact on its thickness, as well as the thickness enhances when it is alkaline. It does not disintegrate when heated up to 300 ° C.
Yet when the pH is listed below 4, rainfall will take place. In food, it can enhance the communication of protein in flour, make starch fragments incorporate, spread as well as pass through into the network framework of healthy protein, create a dense and secure dough colloid, make the surface area of dough smooth and glossy, and have solid water retention, can maintain wetness in the dough equally, protect against dryness, engage with protein to boost healthy protein structure, boost food flexibility, and enhance cells.
Sodium polyacrylate has various usages according to the difference in family member molecular weight. It can be divided right into low family member molecular weight salt polyacrylate (regarding 1 000 ~ 5 000), primarily for diffusion; medium relative molecular weight (about 104 ~ 106), mostly for enlarging; high loved one molecular mass (regarding 106 ~ 107), mostly for flocculation. Making use of salt polyacrylic acid with ultra-low molecular weight (listed below 700) has not been fully created, and also sodium polyacrylate with ultra-high molecular weight is mostly made use of as a water-absorbing representative.
The application areas of sodium polyacrylate cover daily chemical market, farming, petroleum industry, commercial circulating water supply, mining industry, paint, paper making, fabric, building and construction and clinical and also health and wellness sectors. As a result of the expansion of its application area, the technology of manufacturing sodium polyacrylate has actually been developed quickly. Sodium acrylate monomer is gotten by responding acrylic acid or acrylate with salt hydroxide, alcohols are gotten rid of, pH is adjusted after concentration, as well as ammonium persulfate is utilized as a catalyst to polymerize.
Sodium Polyacrylate Uses
- It has the complying with functions in food:
- Improve the cohesive pressure of healthy protein in raw flour.
- Solid water retention, maintain the water in the dough uniformly and protect against drying out.
- Enhance the extensibility of dough.
- Make the fat in the raw material distributed into the dough stably.
- As an electrolyte, it communicates with protein, changes protein framework, improves viscoelasticity of food, and also improves tissue.
- Application example:
- Bread, cakes, noodles, macaroni, enhance the utilization rate of resources, improve the preference as well as flavor. Dosage 0.05%.
- Milk-like aquatic products, canned food, dried seaweed, etc, enhance the tissue, keep quality, and enhance the preference.
- Sauce, tomato sauce, mayo, jam, lotion, soy sauce, thickener and also stabilizer.
- Juice, red wine, etc, dispersant.
- Ice cream, caramel sugar, enhance preference as well as security.
- Frozen food, refined aquatic items, surface area jelly (fresh preservation).
- Given that it liquifies slowly in water, it can be combined with granulated sugar, powdered starch syrup, emulsifier, and so on ahead of time to increase the dissolution price.
- As a making clear representative (polymer coagulant) for sugar fluid, seawater, beverages, etc. Water processing stone healing of protein in wastewater; and also purification of wastewater.
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Application of Sodium Polyacrylate
Sodium polyacrylate with low relative molecular weight has a wide range of uses, especially sodium polyacrylate with a relative molecular weight less than 2×l04 is more rapidly applied, and is mainly used as water-soluble surfactant and detergent builder in the field of daily chemical industry. Because sodium polyacrylate has the effect of chelating multivalent ions, dispersing dirt aggregates and calcium soap, it has a strong adsorption force on dirt particles and can improve the detergency of anionic surfactants. Moreover, it has good thermal stability, strong resistance to cold water and hard water, and high degree of biodegradation; it can partially replace sodium tripolyphosphate in special detergents and cleaning powders to reduce environmental pollution.
Low relative molecular weight sodium polyacrylate has good water solubility and high polarity, and can combine with multivalent ions such as calcium and magnesium in water to form soluble chain anions, so it is widely used in industrial heat exchange equipment , mainly used as boiler anti-scaling and anti-scaling agent. The low relative molecular weight sodium polyacrylate with a relative molecular weight of 500-5000 mainly acts as a dispersant.
Used as a viscosity reducer and drilling mud stabilizer in the field of oilfield chemistry in the petroleum industry; used as a pigment dispersant in the paint, paper, ceramics and textile industries; in addition, used as a new type of quenching agent in metal materials; used in the rubber industry As a thickener; as an anti-caking agent in inorganic salts such as ammonium chloride; as a mineral flotation agent in mining. It is also used in food industry, leather industry, printing industry, plastic industry, medicine, pharmacy and metal recovery of metal ion waste liquid.
Medium and high relative molecular weight sodium polyacrylate is easily soluble in water, and its adsorption and structure are affected by steric effects. A small amount of positively charged ions in the solution are precipitated in the form of precipitates. Therefore, sodium polyacrylate with medium and high relative molecular weight can be used as a flocculant in the purification of electrolytic salt water, the separation of red mud in alumina production, and the treatment of industrial sewage. Medium and high relative molecular weight sodium polyacrylate has special effects on the flocculation of animal and plant proteins in biology.
It can be used to recover a large amount of protein in food industry wastewater. Sodium polyacrylate with high relative molecular weight can produce a wide range of viscosity and fluidity, low addition amount can produce high viscosity, and the product viscosity is less affected by the ambient temperature. It can also permanently suspend insoluble components in the system, which helps to improve the stability of the product and prolong the storage period of the finished product. Therefore, it is often used as a thickener for cosmetics (such as facial masks, skin creams, etc.) in the daily chemical industry, and plays a very important role in the stability of cosmetic emulsions. Curative cosmetics tend to be more functional and diversified; use its film-forming properties to make hair styling agents, gel water, etc. It can also be used as a food preservative.
Because medium and high sodium polyacrylates are non-toxic and soluble in water, they can be removed by washing before eating. Moreover, sodium polyacrylate can form a layer of polymer film on the surface of food, which can isolate food from air. The chelating effect of sodium polyacrylate on metal ions also helps to prevent food from spoiling.
In the field of oilfield chemistry in the petroleum industry, it can be used as a viscosifier for drilling fluid, fluid loss reducer and clay stabilizer; in metallurgy, it can be used as a sand binder in the casting process to make the sand mold durable and of good quality; in textiles On the one hand, it can be used to modify synthetic fibers to make the chemical fibers dyed firmly, light-resistant and bright; it can be added to the ceramic body as a ceramic slurry water reducing agent, and it can enhance the dry strength of the body to a certain extent. In addition, it can also be used as a binder for wall materials, an anti-floating agent for pesticides, a thickener for acidifying liquids and pharmaceuticals, etc.
Because sodium polyacrylate superabsorbent resin has the characteristics of large water absorption, strong water retention, safety and non-toxicity, it is widely used in many fields. Its product forms are many, and different forms meet different purposes. It is most widely used in the daily chemical industry. For example, in cosmetics, 0.5% to 1.0% superabsorbent resin can be added in the process of manufacturing cosmetics such as skin cream, perfume and toilet water, which can prevent the volatilization of fragrances and alcohol and can Keep the fragrance lasting, and also play the role of water retention, thickening and moisturizing the skin.
Because the sodium polyacrylate superabsorbent resin has a hydrophilic group, it has good solubility in water and alcohol, so it is used as a hair styling agent, which has moisture resistance when dry, but is hydrophilic when shampooing. Easy to remove. Adding sodium polyacrylate superabsorbent resin to hair dye can improve the hair dyeing effect; in addition, it can also be used as a thickener and bactericide to prepare nutritional pharmaceutical cosmetics. In terms of fragrance materials, the use of superabsorbent resins has a good adsorption and slow release effect on fragrances, and the fragrances of fresh air gels, fragrance papers and fragrance gel sheets made of them are long-lasting.
In terms of sanitary products, for example, the powdery resin sandwiched into multi-layer sheets can be made into children’s diapers and women’s sanitary napkins, which have the advantages of light weight, large liquid absorption and good water retention; they can also be made into urine bags for adults , paper towels, towels and insoles, etc. In addition, the sodium polyacrylate superabsorbent resin can also be used as a thickening and shape-retaining additive for food preservation packaging materials and food (the amount of superabsorbent resin added is generally less than 0.2%). In agriculture, forestry and horticulture, it can be used for crop breeding. The resin gel is coated on the surface of the seeds, and its water absorption and water retention function is used to improve the germination rate and germination rate of the seeds. It can be used as a slow-release agent for fertilizers, such as mixing nitrogen-fixing bacteria or plant growth micronutrients with resins to increase crop yields.
Superabsorbent resins can also be used as soil moisturizers to improve sandy land and soil to make fields, which is of far-reaching significance to our country with many people and little land. In artificial afforestation, treating planting trees with sodium polyacrylate superabsorbent resin can increase the emergence rate of aircraft sowing; treating the roots of seedlings with superabsorbent resin before transplanting in the nursery can prevent the loss of root water and improve the survival rate of seedlings. Applications in this area are still in the experimental stage. Because the gel formed by sodium polyacrylate superabsorbent resin is relatively soft after absorbing water, it has human adaptability, such as no stimulation to human skin, no side effects, no inflammation and no blood coagulation, etc., all of which are its medical applications. The application creates conditions.
In recent years, sodium polyacrylate superabsorbent resin has been preliminarily used in various aspects of medicine, such as medical test pieces used to keep part of the tested liquid; it can be made into external ointment with large water content and comfortable use; it can absorb surgical and traumatic bleeding and Medical bandages and cotton balls that can secrete fluid and prevent suppuration; anti-infection artificial skin, artificial bones, artificial muscles and long-acting gel contraceptives that can allow water and drugs to pass through, but microorganisms cannot pass through; in addition, sodium polyacrylate has a high Water-absorbent resins are used in manufacturing processes such as contact lenses and sustained-release drug substrates.
In terms of civil engineering and construction, water-soluble sealants, seals, pipeline construction lubricants, anti-corrosion wallpapers and roof liner water-stop boards, etc. can be prepared by using the water-swelling properties of superabsorbent resins, so as to achieve the goal of using water to make water. Purpose: It can also be used to prepare high-strength concrete, anti-fogging agent on the surface of glass strips, etc. In addition, sodium polyacrylate superabsorbent resin can also be used in various fields such as artificial snowfall, electronic materials, coatings and fire protection.
Application of Sodium Polyacrylate in Food Processing
Sodium polyacrylate can be used as thickener, stabilizer, clarifier, dehydration and humidity control agent, preservative, etc. in food processing.
Adding sodium polyacrylate to the flour can enhance the cohesive force of the protein in the raw flour, make the starch particles combine with each other, disperse and penetrate into the network structure of the protein, and form a dense dough with a smooth and shiny surface, forming a stable Dough colloid, prevent soluble starch from seeping out, improve dough extensibility, and reduce frost cracking.
Adding guar gum, CMC and sodium polyacrylate to flour can improve the wet gluten value. In the case of the same wet gluten, the dosage of sodium polyacrylate product is 1/5 of that of guar gum and CMC. At the same time, it can be used in conjunction with guar gum to improve the wet gluten value.
Sodium polyacrylate contains most water-based macromolecules and has a high affinity for water, which can keep the water evenly in the dough, prevent drying, and inhibit the aging phenomenon of bread and other foods caused by natural drying. Improve the taste of fermented noodle products, fried noodle products, instant rice noodle products, and frozen rice noodle products to make them more chewy.
Sodium polyacrylate has a high degree of emulsification stability, which can stably disperse the oil components in the raw materials into the dough, reduce the oil absorption rate in the processing of instant noodles and other fried foods, and save oil.
Sodium polyacrylate acts as an electrolyte to interact with protein, change the protein structure, improve the viscoelasticity and elongation of protein fibers, improve tissue, and can be used in meat products. When making instant products such as meatballs, fish balls, and ham sausages, adding it in an appropriate amount can make the product taste better and chewier.
It can be used as a surface jelly agent in canned food and aquatic product emulsified products to strengthen the tissue, maintain fresh taste and enhance the taste. Used to make artificial meat, it can improve the viscoelasticity and elongation of protein fibers, and greatly increase the meatiness.
Sodium polyacrylate has film-forming properties and can be effectively applied to ice-coated foods. Before freezing, it can form a transparent “ice coat” that isolates air.
Sodium polyacrylate solution has excellent adhesion, can absorb metal ions, greatly prolongs the fresh-keeping period of fish, shrimp, meat and other frozen foods, and the fresh-keeping effect is remarkable. Due to the water retention effect brought by the hydrophilic group, it can inhibit the loss of water caused by freeze-drying. It can be used in quick-frozen food to prevent food from cracking during freezing, processing, transportation, refrigerated sale and heating.
Sodium polyacrylate has good water absorption and water retention and strong viscosity, and has a good application effect on improving the gluten strength in the production of vermicelli and improving the cooking resistance. When using sweet potatoes, corn, potatoes, etc. as raw materials to make vermicelli, vermicelli, and vermicelli, it can improve the gluten of the product and increase the cooking resistance.
Refrigeration industry: As an ingredient of compound emulsifier and stabilizer, it can partially replace guar gum, CMC, etc., to enhance the effect and reduce the cost. Sodium polyacrylate aqueous solution has a good drawing effect, and is often used in cold food core materials, drawing cold drink products and ice cream products with drawing feeling.
Sauces, jams, creams: as thickeners and stabilizers in sauces, ketchups, jams, and creams, it can improve taste and texture, increase its viscosity and maintain its shape for a long time.
Brine purification: Sodium polyacrylate reflects a good flocculation effect in brine purification, which can effectively reduce the total amount of calcium and magnesium ions in brine during salt production.
Clarifying agent: turbidity-removing clarifying agent for sugar liquid, salt water, beverages, and alcoholic beverages.
In short, the production process of sodium polyacrylate is simple, the stability is high, and the product has high purity, good water absorption and water retention, and high viscosity. Studies have shown that this product is non-toxic as a food additive and is safe to the human body. It can be widely used as a food additive in flour products, starch products, beverages, etc. It can improve product quality and flavor, reduce production costs, and has been tested by users. , the comprehensive effect reflects very well, and it is an additive product with good development prospects.
- What is Sodium Polycrylate: Chemical Free Living
- Chinese Bakery Food Dictionary Raw Materials and Food Additives Volume
- Han Huifang, Cui Yingde, Cai Libin. Synthesis and Application of Sodium Polyacrylate[J]. Daily Chemical Industry, 2003, 33(1): 36-39.
Sodium Polyacrylate Supplier and Manufacturer
As a sodium polyacrylate supplier and manufacturer with a strict standard product quality system certificate, Zhishang Chemical has long been providing the best sodium polyacrylate raw materials to customers all over the world.
Over the years, relying on professional team experience and customer-centric team concept to meet customer needs in a timely manner, our company enjoys a high reputation in the world. At present, our company has served more than 6,000 customers and has established long-term cooperative relations with customers from many countries.
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