535141

Poly(isobutylene-co-maleic acid) sodium salt

crosslinked, powder, <900 μm particle size (95%)

• Sinonimo/i: Isobutylene-maleic anhydride copolymer sodium salt
• Formula condensata: (C₄H₈)_m(C₄H₄O₄)_n · xNa
• Numero CAS: 39612-00-5
• Numero MDL: MFCD00192411
• Codice UNSPSC: 12162002
• ID PubChem: 24878075

Proprietà

• Forma fisica: crosslinked, powder
• Dimensione particelle: <900 μm (95%)
• Capacità: 200 mL/g absorption capacity (distilled water); 30 mL/g, absorption (4 wt. % saline solution)
• Punto di fusione: >300 °C
• Densità: 1.3 g/mL at 25 °C (lit.)
• Stringa SMILE: CC(C)=C.OC(=O)\C=C\C(O)=O.OC(=O)\C=C\C(=O)O[Na]

Descrizione

Descrizione generale

Superabsorbent polymer. Minimal water released under pressure. Good stability in hot and cold water. Moisture released at lower relative humidity. Stable up to ~280°C

Applicazioni

Used in hygiene products to increase liquid absorbency, as soil additive to increase water retaining capacity, as dehydrating agent in construction applications, and coagulating agent for mud to prevent outflow of mud.