Poly(propylene glycol)

Poly(propylene glycol)

Poly(propylene glycol)

NAMES AND IDENTIFIERS OF POLYMER

POLYMER CLASS	Polyglycol
COMMON NAMES	Poly(propylene glycol)
STRUCTURE BASED NAME	Poly(oxypropylene), Poly(propylene oxide)
ACRONYMS	PPG
CAS #	25322-69-4
CurlySMILES	O{-}C(C)C{n+}

IDENTIFIERS OF MONOMER(S)

CAS #	15448-47-2
COMMON NAMES	Epoxypropane
SMILES	CC1CO1
Std. InChI	1S/C3H6O/c1-3-2-4-3/h3H,2H2,1H3
Std. InChIKey	GOOHAUXETOMSMM-UHFFFAOYSA-N
STRUCTURE

Thermo-Physical Properties: Experimental / Literature Data

PROPERTY	UNIT	VALUE / RANGE	PREFERRED
Molar Volume V_m	mL mol^-1	57.6 - 58.1	57.9
Density ρ	g mL^-1	1.00 - 1.01	1.00
Solubility Parameter δ	MPa^1/2	15.4 - 20.3	17.3
Molar Cohesive Energy E_coh	J mol^-1	13700 - 23800	17200
Glass Transition Temperature T_g	K	198 - 210	205
Molar Heat Capacity C_p	J (mol K)^-1	111 - 112	111.5
Entanglement Molecular Weight M_e	g mol^-1
Index of Refraction n	none	1.45 - 1.46	1.45

Thermo-Physical Properties: Calculated Data

PROPERTY	UNIT	VALUE / RANGE	PREFERRED
Molecular Weight of Repeat unit	g mol^-1	58.08
Van-der-Waals Volume V_vW	mL mol^-1	32.81
Molar Volume V_m	mL mol^-1	53.1 - 59.8	56.8
Density ρ	g mL^-1	0.97 - 1.09	1.02
Solubility Parameter δ	MPa^1/2	17.3 - 18.5	17.7
Molar Cohesive Energy E_coh	J mol^-1	17200 - 18400	17800
Glass Transition Temperature T_g	K	187 - 228	207
Molar Heat Capacity C_p	J (mol K)^-1	119 - 124	121
Entanglement Molecular Weight M_e	g mol^-1	2100 - 3600	2800
Index of Refraction n	none	1.46 - 1.48	1.46

Last updated: October 4, 2019

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