Poly(methyl methacrylate)

Poly(methyl methacrylate)

Poly(methyl methacrylate)

NAMES AND IDENTIFIERS OF POLYMER

POLYMER CLASS	Polymethacrylate
COMMON NAMES	Poly(methyl methacrylate)
STRUCTURE BASED NAME	Poly(methyl 2-methylpropenoate), Poly[1-(methoxycarbonyl)-1-methylethylene]
ACRONYMS	PMMA
CAS #	9011-14-7
CurlySMILES	C{-}C{n+}(C)(C(=O)OC)

IDENTIFIERS OF MONOMER(S)

CAS #	80-62-6
COMMON NAMES	Methyl methacrylate
SMILES	COC(=O)C(=C)C
Std. InChI	1S/C5H8O2/c1-4(2)5(6)7-3/h1H2,2-3H3
Std. InChIKey	VVQNEPGJFQJSBK-UHFFFAOYSA-N
STRUCTURE

Thermo-Physical Properties: Experimental / Literature Data

PROPERTY	UNIT	VALUE / RANGE	PREFERRED
Molar Volume V_m	mL mol^-1	85.6 - 89.3	87.1
Density ρ	g mL^-1	1.12 - 1.17	1.15
Solubility Parameter δ	MPa^1/2	18.0 - 26.3	19.0
Molar Cohesive Energy E_coh	J mol^-1	27700 - 60300	31300
Glass Transition Temperature T_g	K	367 - 395 311 - 323	378 317
Molar Heat Capacity C_p	J (mol K)^-1	134 - 138	136.5
Entanglement Molecular Weight M_e	g mol^-1	9200 - 13750	11800
Index of Refraction n	none	1.48 - 1.49	1.49

Thermo-Physical Properties: Calculated Data

PROPERTY	UNIT	VALUE / RANGE	PREFERRED
Molecular Weight of Repeat unit	g mol^-1	100.12
Van-der-Waals Volume V_vW	mL mol^-1	56.20
Molar Volume V_m	mL mol^-1	83.7 - 86.5	85.4
Density ρ	g mL^-1	1.16 - 1.20	1.17
Solubility Parameter δ	MPa^1/2	18.5 - 18.8	18.7
Molar Cohesive Energy E_coh	J mol^-1	28800 - 30200	29700
Glass Transition Temperature T_g	K	352 - 385 325	375 325
Molar Heat Capacity C_p	J (mol K)^-1	135 - 150	141
Entanglement Molecular Weight M_e	g mol^-1	9630 - 10700	10200
Index of Refraction n	none	1.48 - 1.50	1.49

Last updated: March 27, 2018

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