Nylon 8
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Nylon 8 - Polycapryllactam
 

NAMES AND IDENTIFIERS OF POLYMER

POLYMER CLASS Polyamide
COMMON NAMESNylon 8, Poly(8-aminooctanoic acid), Polycapryllactam, Poly(octano-8-lactam)
STRUCTURE BASED NAME Poly(imino-1-oxooctamethylene), Poly[imino(1-oxooctane-1,8-diyl)]
ACRONYMS PA8
CAS #
CurlySMILES N{-}C(=O)CCCCCCC{n+}
 

IDENTIFIERS OF MONOMER(S)

CAS # 935-30-8
COMMON NAMES2-Azonanone, ω-Octalactam
SMILES O=C1CCCCCCCN1
Std. InChI 1S/C8H15NO/c10-8-6-4-2-1-3-5-7-9-8/h1-7H2,(H,9,10)
Std. InChIKey YDLSUFFXJYEVHW-UHFFFAOYSA-N
STRUCTURE
Nylon 12
 

Thermo-Physical Properties: Experimental / Literature Data

PROPERTYUNITVALUE / RANGEPREFERRED
Molar Volume VmmL mol-1135.8 - 135.9135.9
Density ρg mL-1 1.041.04
Solubility Parameter δMPa1/2 20.5 - 30.024.5
Molar Cohesive Energy EcohJ mol-1 78200 - 12230082700
Glass Transition Temperature TgK 323 - 324324
Molar Heat Capacity CpJ (mol K)-1
Entanglement Molecular Weight Meg mol-1
Index of Refraction nnone
 

Thermo-Physical Properties: Calculated Data

PROPERTYUNITVALUE / RANGEPREFERRED
Molecular Weight of Repeat unitg mol-1 141.21
Van-der-Waals Volume VvWmL mol-1 89.38
Molar Volume VmmL mol-1137.2 - 139.5138.0
Density ρg mL-1 1.01 - 1.031.02
Solubility Parameter δMPa1/2 22.0 - 24.123.1
Molar Cohesive Energy EcohJ mol-1 66400 - 7970073700
Glass Transition Temperature TgK 313 - 325322
Molar Heat Capacity CpJ (mol K)-1214 - 233224
Entanglement Molecular Weight Meg mol-11800 - 31002300
Index of Refraction nnone1.50 - 1.521.50
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