432369

Dimer acid, hydrogenated

average M_n ~570

• Synonyme(s) : Fatty acids, C18 -unsatd., dimers, hydrogenated, Hydrogenated C36 dimer fatty acid
• Numéro CAS: 68783-41-5
• Numéro MDL: MFCD00211870
• Code UNSPSC : 12162002
• Nomenclature NACRES : NA.23

Propriétés

• Forme: liquid
• Niveau de qualité: 100
• Poids mol.: average M_n ~570
• Impuretés: <1 wt. % monomer; <2 wt. % trimer
• Indice de réfraction: n20/D 1.477 (lit.)
• Viscosité: 8,000 mPa.s(25 °C)(lit.)
• Indice d'acide: 190‑198 mg KOH/g
• Indice d'iode: <10
• Température de transition: pour point ~0 °C
• Densité: 0.95 g/mL at 25 °C (lit.)

Description

Description générale

Dimer acid, hydrogenated is a fatty acid with 36 carbon atoms. It consists of a cyclohexene ring which can be synthesized by clay-catalyzed dimerization at 230-250°C.

Improves flexibility, toughness, impact resistance, dyeability and hydrolytic stability of polymers.

Application

Comonomer in polyesters, polyamides and polyurethanes.

Dimer acid, hydrogenated can be used as a corrosion inhibitor for the protection of lead metal substrates. It can also be used in polyamide based hot melting adhesives as a thermoplastic polymer for electronic boards, textiles and packaging systems.

Informations sur la sécurité

• Code de la classe de stockage: 10 - Combustible liquids
• Classe de danger pour l'eau (WGK): WGK 1
• Point d'éclair (°F): 572.0 °F - open cup
• Point d'éclair (°C): 300 °C - open cup
• Équipement de protection individuelle: Eyeshields, Gloves