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Description of Poly(n-isopropyl Acrylamide) CAS NO: 25189-55-3

Poly(N-isopropylacrylamide) is a synthetic polymer that is made of repeating units of N-isopropylacrylic acid and amine. Poly(N-isopropylacrylamide) is soluble in water and has a hydroxyl group, intramolecular hydrogen, amide, phase transition temperature, particle, intermolecular hydrogen bonding. Poly(N-isopropylacrylamide) undergoes cationic polymerization and has a hydrogen bond. It can be used as a model system for tissue culture research or to measure the permeability of water. Sample preparation involves dissolving the polymer in ethylene diamine and reacting it with hydrogen gas.

Name: poly(n-isopropyl acrylamide)   

CAS NO: 25189-55-3

Purity: 97% min

MF: C6H11NO

MW:113.16

MP: 96 °C(lit.)

Density:0.9±0.1 g/cm3

Appearance: Off-white powder

Package: 25g, 100g, 500g, bulk package 

Application:365bet娱乐 intermediate

Other name:

poly(N-isopropylacrylamide) macromolecule;

Application of Poly(N-isopropylacrylamide) CAS NO: 25189-55-3

TIBA is used in a variety of scientific applications, including synthesis, drug discovery, and research. It is also used as a reagent in organic synthesis and as an intermediate in the manufacture of pharmaceuticals.

(variously abbreviated PNIPA, PNIPAAm, NIPA, PNIPAA or PNIPAm) is a temperature-responsive polymer that was first synthesized in the 1950s. It can be synthesized from N-isopropylacrylamide which is commercially available. It is synthesized via free radical polymerization and is readily functionalized making it useful in a variety of applications.

It forms a three-dimensional hydrogel when cross-linked with N,N'-methylene-bis-acrylamide (MBAm) or N,N'-cystamine-bis-acrylamide (CBAm). When heated in water above 32°C (90°F), it undergoes a reversible lower critical solution temperature (LCST) phase transition from a swollen hydrated state to a shrunken dehydrated state, losing about 90% of its volume. Since PNIPA expels its liquid contents at a temperature near that of the human body, PNIPA has been investigated by many researchers for possible applications in tissue engineering and controlled drug delivery.

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