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- Sodium polyacrylate is produced by the reaction between acrylic acid (H 2 C=CHCOOH) and its sodium salt (H 2 C=CHCOONa). The product of this reaction is a long-chain copolymer consisting of alternate units of acrylic acid and sodium acrylate. A copolymer is a polymer made of two different monomers, in this case, acrylic acid and sodium acrylate.
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What is sodium polyacrylate?
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Why is sodium polyacrylate used in industrial processes?
Sodium polyacrylate ( ACR, ASAP, or PAAS ), [1] : 233 also known as waterlock, is a sodium salt of polyacrylic acid with the chemical formula [−CH 2 −CH (CO 2 Na)−] n and has broad applications in consumer products. This super-absorbent polymer (SAP) has the ability to absorb 100 to 1000 times its mass in water.
- Superabsorbent Polymer
Superabsorbent polymers are now commonly made from the...
- Acrylate polymer
An acrylate polymer (also known as acrylic or polyacrylate)...
- Superabsorbent Polymer
Sodium polyacrylate (ACR, ASAP, or PAAS), also known as waterlock, is a sodium salt of polyacrylic acid with the chemical formula [−CH2−CH (CO2Na)−]n and has broad applications in consumer products. This super-absorbent polymer (SAP) has the ability to absorb 100 to 1000 times its mass in water.
Sodium polyacrylate is commonly used as a sequestering agent, or chelating agent, in many detergents. It has the ability to bind hard-water elements, such as magnesium, calcium, iron and zinc, to make the detergents work more effectively.
Sep 28, 2017 · Today, sodium poly(acrylate) is used as a thickener in hair gels and other beauty products, as well as in those jelly-filled cold packs that you pop in the freezer. It’s non-toxic, so very safe, although it can cause irritation and burns if it gets into the eyes.
Sodium polyacrylate is an example of a super-absorbing polymer. It is a cross-linked (network) polymer that contains sodium atoms. It absorbs water by a process called osmosis. When the (sodium-containing) polymer is placed in contact with water, there is a tendency for the sodium to distribute equally between the network and the water.
