DGEBA Epoxy Resin

DGEBA Epoxy Resin

Epoxy or Phenoxy Resin

NAMES AND IDENTIFIERS OF POLYMER

POLYMER CLASS	Epoxy or Phenoxy Rersin¹
COMMON NAMES	Bisphenol-A diglycidyl ether epoxy or phenoxy resin, Poly(Bisphenol A-co-epichlorohydrin)
STRUCTURE BASED NAME	Poly[1oxy-2-hydroxytrimethyleneoxy-1,4-phenylene(dimethylmethylene)-1,4-phenylene]
ACRONYMS	Epoxy, Phenoxy
CAS #
CurlySMILES	C{-}C(O)COc1ccc(cc1)C(C)(C)c2ccc(cc2)O(n+}

IDENTIFIERS OF MONOMER(S)

CAS #	201-245-8, 106-89-8
COMMON NAMES	Bisphenol A, Epichlorohydrin
SMILES	CC(C)(c1ccc(cc1)O)c2ccc(cc2)O.C1C(O1)CCl
Std. InChI	1S/C15H16O2/c1-15(2,11-3-7-13(16)8-4-11)12-5-9-14(17)10-6-12/h3-10,16-17H,1-2H3.1S/C3H5ClO/c4-1-3-2-5-3/h3H,1-2H2
Std. InChIKey	IISBACLAFKSPIT-UHFFFAOYSA-N.BRLQWZUYTZBJKN-UHFFFAOYSA-N
STRUCTURE

Thermo-Physical Properties: Experimental / Literature Data

PROPERTY	UNIT	VALUE / RANGE	PREFERRED
Molar Volume V_m	mL mol^-1	239 - 245	242
Density ρ	g mL^-1	1.16 - 1.19	1.18
Solubility Parameter δ	MPa^1/2	17.0 - 27.0	22.1
Molar Cohesive Energy E_coh	J mol^-1	72700 - 183400	123000
Glass Transition Temperature T_g	K	371 - 373	372
Molar Heat Capacity C_p	J (mol K)^-1
Entanglement Molecular Weight M_e	g mol^-1	1400 - 1900	1600
Index of Refraction n	none	1.55 - 1.60	1.598

Thermo-Physical Properties: Calculated Data

PROPERTY	UNIT	VALUE / RANGE	PREFERRED
Molecular Weight of Repeat unit	g mol^-1	284.36
Van-der-Waals Volume V_vW	mL mol^-1	159.34
Molar Volume V_m	mL mol^-1	249.7 - 253.0	251.6
Density ρ	g mL^-1	1.12 - 1.14	1.13
Solubility Parameter δ	MPa^1/2	21.0 - 21.6	21.2
Molar Cohesive Energy E_coh	J mol^-1	110500 - 117200	112700
Glass Transition Temperature T_g	K	369 - 392	381
Molar Heat Capacity C_p	J (mol K)^-1	339 - 358	346
Entanglement Molecular Weight M_e	g mol^-1	1400 - 1700	1500
Index of Refraction n	none	1.55 - 1.64	1.58

¹The reaction of bisphenol A with an excess amount of epichlorohydrin yields epoxies whereas an excess amount of bisphenol A yields phenoxy resins.
Last updated: January 23, 2018

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