Poly(oxymethylene-oxyethylene)

Poly(oxymethylene-oxyethylene)

Poly(oxymethylene-oxyethylene)

NAMES AND IDENTIFIERS OF POLYMER

POLYMER CLASS	Polyglycol
COMMON NAMES	Poly(methylene oxide-co-ethylene oxide)
STRUCTURE BASED NAME	Poly(oxymethylene-oxyethylene)
ACRONYMS
CAS #
CurlySMILES	C{-}COCO(n+}

IDENTIFIERS OF MONOMER(S)

CAS #
COMMON NAMES	1,3-Dioxolane¹
SMILES	C1COCO1
Std. InChI	1S/C3H6O2/c1-2-5-3-4-1/h1-3H2
Std. InChIKey	WNXJIVFYUVYPPR-UHFFFAOYSA-N
STRUCTURE

Thermo-Physical Properties: Experimental / Literature Data

PROPERTY	UNIT	VALUE / RANGE	PREFERRED
Molar Volume V_m	mL mol^-1	63.5²
Density ρ	g mL^-1	1.17²
Solubility Parameter δ	MPa^1/2	20.9²
Molar Cohesive Energy E_coh	J mol^-1	27700²
Glass Transition Temperature T_g	K	209
Molar Heat Capacity C_p	J (mol K)^-1	135.9
Entanglement Molecular Weight M_e	g mol^-1	2200²
Index of Refraction n	none	1.47²

Thermo-Physical Properties: Calculated Data

PROPERTY	UNIT	VALUE / RANGE	PREFERRED
Molecular Weight of Repeat unit	g mol^-1	74.08
Van-der-Waals Volume V_vW	mL mol^-1	34.8
Molar Volume V_m	mL mol^-1	59.6 - 69.1	63.5
Density ρ	g mL^-1	1.07 - 1.24	1.17
Solubility Parameter δ	MPa^1/2	19.1 - 21.4	20.1
Molar Cohesive Energy E_coh	J mol^-1	24600 - 27400	25700
Glass Transition Temperature T_g	K	201 - 210	211
Molar Heat Capacity C_p	J (mol K)^-1	155 - 162	157
Entanglement Molecular Weight M_e	g mol^-1	2350
Index of Refraction n	none	1.45 - 1.47	1.47

¹See European Patent 0 576 192 A2
²Average of POM and PEG
Last updated: August 1, 2016

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