Poly(acrylic acid)

Poly(acrylic acid)

Poly(acrylic acid)

NAMES AND IDENTIFIERS OF POLYMER

POLYMER CLASS	Polyacrylate
COMMON NAMES	Poly(acrylic acid), Acrysol, Acumer
STRUCTURE BASED NAME	Poly(prop-2-enoic acid)
ACRONYMS	PAA
CAS #	9003-01-4
CurlySMILES	C{-}C{n+}(C(=O)O)

IDENTIFIERS OF MONOMER(S)

CAS #	79-10-7
COMMON NAMES	Acrylic acid
SMILES	OC(=O)C=C
Std. InChI	1S/C3H4O2/c1-2-3(4)5/h2H,1H2,(H,4,5)
Std. InChIKey	NIXOWILDQLNWCW-UHFFFAOYSA-N
STRUCTURE

Thermo-Physical Properties: Experimental / Literature Data

PROPERTY	UNIT	VALUE / RANGE	PREFERRED
Molar Volume V_m	mL mol^-1	51.1 - 59.1 (?)	51.1
Density ρ	g mL^-1	1.22 (?) - 1.41	1.41
Solubility Parameter δ	MPa^1/2
Molar Cohesive Energy E_coh	J mol^-1
Glass Transition Temperature T_g	K	348 - 399	374
Molar Heat Capacity C_p	J (mol K)^-1
Entanglement Molecular Weight M_e	g mol^-1
Index of Refraction n	none	1.49 - 1.53	1.51

Thermo-Physical Properties: Calculated Data

PROPERTY	UNIT	VALUE / RANGE	PREFERRED
Molecular Weight of Repeat unit	g mol^-1	72.06
Van-der-Waals Volume V_vW	mL mol^-1	36.23
Molar Volume V_m	mL mol^-1	48.8 - 51.2	50.0
Density ρ	g mL^-1	1.41 - 1.48	1.44
Solubility Parameter δ	MPa^1/2	19.7 - 22.4	21.3
Molar Cohesive Energy E_coh	J mol^-1	19900 - 24400	22700
Glass Transition Temperature T_g	K	359 - 401	380
Molar Heat Capacity C_p	J (mol K)^-1	89 - 92	90
Entanglement Molecular Weight M_e	g mol^-1	5100 - 9600	6900
Index of Refraction n	none	1.43 - 1.55	1.52

Last updated: July 23, 2019

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