| product_name | Polyacrylic Acid Sodium |
| CAS_number | 9003-04-7 |
| formula | (C3H3NaO2)n |
| molar_mass | variable |
| property_1 | Water solubility: soluble |
| property_2 | Appearance: white granules or powder |
| property_3 | Density: ~1.4 g/cm³ |
| property_4 | pH: 9-10 (1% aqueous solution) |
| property_5 | Boiling Point: not applicable |
| property_6 | Melting Point: not applicable |
| property_7 | Toxicity: low |
| property_8 | Polymer Type: anionic polymer |
| property_9 | Viscosity: varies with concentration |
| property_10 | Stability: stable under normal conditions |
What is polyacrylic acid sodium?
Polyacrylic acid sodium, also known as sodium polyacrylate, is a super absorbent polymer that has the ability to absorb and retain large amounts of liquid, making it ideal for use in various industries such as agriculture, hygiene products, and wastewater treatment.
How does polyacrylic acid sodium work?
Polyacrylic acid sodium works through a process called osmosis, where it attracts water molecules and forms a gel-like substance that traps the liquid within its structure. This allows the polymer to absorb and retain many times its weight in water, making it a highly effective water-absorbing material.
What are the main applications of polyacrylic acid sodium?
Polyacrylic acid sodium is commonly used in agriculture as a soil conditioner to improve water retention in dry soils, in hygiene products like diapers and sanitary pads for their absorbent properties, and in wastewater treatment plants to solidify sludge and remove impurities from water.
How is polyacrylic acid sodium beneficial in agriculture?
In agriculture, polyacrylic acid sodium helps improve soil structure and water holding capacity, leading to better plant growth and increased crop yield. It also reduces water runoff and leaching of nutrients, making it an environmentally friendly solution for water conservation.
What are the advantages of using polyacrylic acid sodium in hygiene products?
Polyacrylic acid sodium is preferred in hygiene products for its high absorbency, odor control, and soft texture. It ensures dryness and comfort for the user, making it a popular choice in diapers, feminine care products, and adult incontinence pads.
How does polyacrylic acid sodium contribute to wastewater treatment?
In wastewater treatment, polyacrylic acid sodium is used to solidify sludge and separate solids from liquids, making it easier to remove impurities and contaminants from the water. This process helps in reducing the volume of sludge and improving the overall water quality.
What sets polyacrylic acid sodium apart from other absorbent materials?
Polyacrylic acid sodium stands out for its exceptional water absorption capacity, quick absorption rate, and excellent retention properties. It is non-toxic, biodegradable, and safe for use in various applications, making it a versatile and reliable material for different industries.
How is polyacrylic acid sodium manufactured?
Polyacrylic acid sodium is typically synthesized through a polymerization process of acrylic acid in the presence of a sodium compound. The resulting polymer is then processed into a fine powder or granules, ready for use in various products and applications.
Are there any environmental considerations when using polyacrylic acid sodium?
Polyacrylic acid sodium is considered environmentally friendly as it is non-toxic, biodegradable, and safe for disposal. Its water-retention properties also contribute to water conservation efforts by reducing the need for frequent watering in agriculture and landscaping.
What are the key factors to consider when selecting polyacrylic acid sodium for specific applications?
When choosing polyacrylic acid sodium for a particular application, factors such as absorption capacity, particle size, pH compatibility, and cost-effectiveness should be taken into account. It is essential to understand the specific requirements of the application to optimize the performance of the polymer.