432369
Dimer acid, hydrogenated
average Mn ~570
Sinonimo/i:
Fatty acids, C18 -unsatd., dimers, hydrogenated, Hydrogenated C36 dimer fatty acid
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About This Item
Prodotti consigliati
![Di-[4-(N,N-di-p-tolyl-amino)-phenyl]cyclohexane ≥97% (HPLC)](/deepweb/assets/sigmaaldrich/product/structures/111/787/16bde1ce-c76d-46d6-9e1f-9ce09f82d038/640/16bde1ce-c76d-46d6-9e1f-9ce09f82d038.png)
Forma fisica
liquid
PM
average Mn ~570
Impurezze
<1 wt. % monomer
<2 wt. % trimer
Indice di rifrazione
n20/D 1.477 (lit.)
Viscosità
8,000 mPa.s(25 °C)(lit.)
Numero di acido
190‑198 mg KOH/g
Indice di iodio
<10
Temp. transizione
pour point ~0 °C
Densità
0.95 g/mL at 25 °C (lit.)
Descrizione generale
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.
Applicazioni
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.
Codice della classe di stoccaggio
10 - Combustible liquids
Classe di pericolosità dell'acqua (WGK)
WGK 1
Punto d’infiammabilità (°F)
572.0 °F - open cup
Punto d’infiammabilità (°C)
300 °C - open cup
Dispositivi di protezione individuale
Eyeshields, Gloves
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I clienti hanno visto anche
Lower purity dimer acid based polyamides used as hot melt adhesives: synthesis and properties
Freitas RFR, et al.
Journal of Adhesion Science and Technology, 29(17), 1860-1872 (2015)
Hydrogenated dimer acid as a corrosion inhibitor for lead metal substrates in acetic acid
De Keersmaecker M, et al.
Journal of the Electrochemical Society, 162(4), C167-C179 (2015)
Study of liquid-crystalline behaviour of aliphatic-aromatic polyamides derived from castor oil based dimer acid by DSC
Khare K, et al.
Indian Journal of Advances in Chemical Science, 2(1), 89-94 (2013)
Selective formation of C36-dimer fatty acids via thiol-ene addition for copolyamide synthesis
Unverferth M and Meier MAR
European Journal of Lipid Science and Technology, 118(10), 1470-1474 (2016)
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