Poly(vinylidene fluoride)

Poly(vinylidene fluoride)

NAMES AND IDENTIFIERS OF POLYMER

POLYMER CLASS	Polyhaloolefins
COMMON NAMES	Poly(vinylidene fluoride), Solef®, Neoflon®, Foraflon®, Soltex®, Tecaflon®, Kynar®
STRUCTURE BASED NAME	Poly(1,1-difluoroethylene)
ACRONYMS	PVDF
CAS #	24937-79-9
CurlySMILES	C{-}(F)(F)C{n+}

IDENTIFIERS OF MONOMER(S)

CAS #	24937-79-9
COMMON NAMES	1,1-Difluoroethene
SMILES	FC(=C)F
Std. InChI	1S/C2H2F2/c1-2(3)4/h1H2
Std. InChIKey	BQCIDUSAKPWEOX-UHFFFAOYSA-N
STRUCTURE

Thermo-Physical Properties: Experimental / Literature Data

PROPERTY	UNIT	VALUE / RANGE	PREFERRED
Molar Volume V_m	mL mol^-1	38.1 - 38.3	38.2
Density ρ	g mL^-1	1.67 - 1.68 1.75 - 1.79*	1.68 1.77*
Solubility Parameter δ	MPa^1/2	16.8 - 18.4	17.5
Molar Cohesive Energy E_coh	J mol^-1	10800 - 12900	11800
Glass Transition Temperature T_g	K	212 - 286	242
Molar Heat Capacity C_p	J (mol K)^-1	83
Entanglement Molecular Weight M_e	g mol^-1	2400
Index of Refraction n	none	1.41 - 1.45	1.43

*Crystallinity > 50%

Thermo-Physical Properties: Calculated Data

PROPERTY	UNIT	VALUE / RANGE	PREFERRED
Molecular Weight of Repeat unit	g mol^-1	64.03
Van-der-Waals Volume V_vW	mL mol^-1	24.33
Molar Volume V_m	mL mol^-1	38.9 - 41.5	39.9
Density ρ	g mL^-1	1.54 - 1.65	1.60
Solubility Parameter δ	MPa^1/2	15.4 - 15.8	15.6
Molar Cohesive Energy E_coh	J mol^-1	9500 - 10400	9700
Glass Transition Temperature T_g	K	206 - 278	242
Molar Heat Capacity C_p	J (mol K)^-1	80 - 96	86
Entanglement Molecular Weight M_e	g mol^-1	2350 - 2850	2600
Index of Refraction n	none	1.39 - 1.42	1.41

Last updated: May 15, 2020

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