Poly(butyl ethylene)

Poly(butyl ethylene)

Poly(2-methylbut-1-ene)

NAMES AND IDENTIFIERS OF POLYMER

POLYMER CLASS	Polyalkene (Polyolefin)
COMMON NAMES	Poly(1-ethyl-1-methylethylene), Poly(2-ethyl-propylene)
STRUCTURE BASED NAME	Poly(2-methylbut-1-ene)
ACRONYMS
CAS #
CurlySMILES	C{-}(C)(CC)C{n+}

IDENTIFIERS OF MONOMER(S)

CAS #	11069-33-3
COMMON NAMES	2-Methylbut-1-ene
SMILES	C=C(C)CC
Std. InChI	1S/C5H10/c1-4-5(2)3/h2,4H2,1,3H3
Std. InChIKey	MHNNAWXXUZQSNM-UHFFFAOYSA-N
STRUCTURE

Thermo-Physical Properties: Experimental / Literature Data

PROPERTY	UNIT	VALUE / RANGE	PREFERRED
Molar Volume V_m	mL mol^-1	78.1
Density ρ	g mL^-1	0.90
Solubility Parameter δ	MPa^1/2
Molar Cohesive Energy E_coh	J mol^-1
Glass Transition Temperature T_g	K	268
Molar Heat Capacity C_p	J (mol K)^-1
Entanglement Molecular Weight M_e	g mol^-1
Index of Refraction n	none

Thermo-Physical Properties: Calculated Data

PROPERTY	UNIT	VALUE / RANGE	PREFERRED
Molecular Weight of Repeat unit	g mol^-1	70.14
Van-der-Waals Volume V_vW	mL mol^-1	51.4
Molar Volume V_m	mL mol^-1	77.8 - 83.1	80.9
Density ρ	g mL^-1	0.84 - 0.90	0.87
Solubility Parameter δ	MPa^1/2	15.4 - 16.0	15.7
Molar Cohesive Energy E_coh	J mol^-1	18800 - 21000	20000
Glass Transition Temperature T_g	K	222 - 287	255
Molar Heat Capacity C_p	J (mol K)^-1	142 - 148 (l)	144
Entanglement Molecular Weight M_e	g mol^-1	5250 - 8400	6200
Index of Refraction n	none	1.47 - 1.49	1.48

Last updated: January 12, 2017

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