Nylon 6

Nylon 6

Nylon 6 - Poly(caprolactam)

NAMES AND IDENTIFIERS OF POLYMER

POLYMER CLASS	Polyamide
COMMON NAMES	Nylon 6, Polyamide 6, Poly(caprolactam), Poly(hexano-6-lactam), Poly(6-aminohexanoic acid), Poly(hexamethylene adipamide)
STRUCTURE BASED NAME	Poly[imino(1-oxohexane-1,6-diyl)]
ACRONYMS	PA6
CAS #	25038-54-4
CurlySMILES	N{-}CCCCCC{n+}(=O)

IDENTIFIERS OF MONOMER(S)

CAS #	105-60-2
COMMON NAMES	Caprolactam
SMILES	O=C1CCCCCN1
Std. InChI	1S/C6H11NO/c8-6-4-2-1-3-5-7-6/h1-5H2,(H,7,8)
Std. InChIKey	JBKVHLHDHHXQEQ-UHFFFAOYSA-N
STRUCTURE

Thermo-Physical Properties: Experimental / Literature Data

PROPERTY	UNIT	VALUE / RANGE	PREFERRED
Molar Volume V_m	mL mol^-1	104.4
Density ρ	g mL^-1	1.08
Solubility Parameter δ	MPa^1/2	21.5 - 32.0	25.5
Molar Cohesive Energy E_coh	J mol^-1	48900 - 106900	67600
Glass Transition Temperature T_g	K	313 - 335	325
Molar Heat Capacity C_p	J (mol K)^-1	164 - 169	166
Entanglement Molecular Weight M_e	g mol^-1	2400 - 2500	2500
Index of Refraction n	none	1.46 - 1.53	1.53

Thermo-Physical Properties: Calculated Data

PROPERTY	UNIT	VALUE / RANGE	PREFERRED
Molecular Weight of Repeat unit	g mol^-1	113.16
Van-der-Waals Volume V_vW	mL mol^-1	68.83
Molar Volume V_m	mL mol^-1	104.5 - 106.8	105.8
Density ρ	g mL^-1	1.06 - 1.08	1.07
Solubility Parameter δ	MPa^1/2	23.4 - 26.5	25.0
Molar Cohesive Energy E_coh	J mol^-1	58000 - 73200	66300
Glass Transition Temperature T_g	K	308 - 324	324
Molar Heat Capacity C_p	J (mol K)^-1	155 - 179	171
Entanglement Molecular Weight M_e	g mol^-1	2000 - 3000	2400
Index of Refraction n	none	1.50 - 1.53	1.51

Last updated: June 7, 2016

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