| 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.
