Super Absorbent Polymer (SAP) can absorb water up to 300 times its weight and is used to retain, block, and absorb liquid, transforming it into gel. The polymer's swelling and elasticity are crucial for its functionality, with less cross-linking allowing for greater absorption capacity. Applications include baby and adult diapers, where SAP prevents leakage and enhances absorbency.

1. PRIME SPECIALITIES

2. What Is SAP?
“Extrasorb – superabsorbent is capable
of absorbing water to a level of about
300 times its own weight.
And its huge water holding and
absorbing capacity can be used to
retain, block, and absorb liquid and
hence turn water to gel.

3. Functionality of super absorbent
polymer:
Super absorbent polymer has basically 2
functional properties which are due to the two
modules of elasticity and swelling as discussed
below:

4. Swelling:
Osmotic pressure is responsible for the swelling
of the cross-linked and ionized network of the
polymer. To increase the absorbing capacity there
should be as less cross-linking in the polymer as
possible to enable the polymer chain to adopt the
configuration which is widely spaced.

5. Elasticity:
It is a very important module for the swollen
superabsorbent polymer. The polymer in the
powdered form is blended with fibers such as
cellulose and thermoplastic. To ensure that very
less number of cross-links are there to link the
chains together, the polymers chains must have
high molecular mass so that it remains hugely
insoluble but at the same time highly expandable
too.

6. Applications
• SAP has a huge absorbing capacity, maintenance ability,
and good permeability thereby making it apt to be used in
baby diapers to prevent the infiltration process to happen
again at a certain level of pressure.
• SAP is being used in adult diapers too to help the people
who lack a voluntary control over urination. It has a layered
construction due to which 0.9 % of the NaCl is transferred
to the core structure of the absorbent where it is locked
tightly to prevent leaking.

7. Prime Specialities
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