Bisphenol A diglycidyl ether → Benzene-1,3-diol;ethoxyethane

HRID 5286

Reaction equation

HRID 5286 reaction equation
C1(P(C2C=CC=CC=2)C2C=CC=CC=2)C=CC=CC=1.CC([C:34]1[CH:39]=[CH:38][C:37]([O:40]CC2OC2)=[CH:36][CH:35]=1)(C1C=C[C:26]([O:29][CH2:30][CH:31]2OC2)=[CH:25]C=1)C.C(C(C)=[O:50])C(C)C>>[C:37]1([CH:38]=[CH:39][CH:34]=[C:35]([OH:50])[CH:36]=1)[OH:40].[CH3:25][CH2:26][O:29][CH2:30][CH3:31]

Participants

4

Reactant 3

HCID 2286Bisphenol A diglycidyl etherHCID 7909Methyl Isobutyl KetoneHCID 11776Triphenylphosphine

Product 1

HCID 22234841Benzene-1,3-diol;ethoxyethane

Conditions

Temperature
117 °C

Procedure

A resorcinol-formaldehyde resin/diglycidyl ether of bisphenol A addition product was prepared in a lab reactor by a procedure comparable to that employed in Example 1. The reactor was charged with about 31.1 g. of a commercial resorcinol-formaldehyde resin, Penacolite B-19-S, (INDSPEC Chemical Corporation, Pittsburgh, Pa., U.S.A.), 125 ml methyl isobutyl ketone and 0.5 g. triphenylphosphine. Then, 90.4 g diglycidyl ether of bisphenol A (Dow epoxy resin DER-331) was added dropwise in about 0.5 hours. The stirred solution was refluxed for about one hour at about 117° C. and devolatilized at reduced pressure to give a dark amber resorcinol ether compound (RE2) having a 72° C. softening point, and having a 0.9 wt. % residual oxirane oxygen.

Workup

  1. customwas prepared in a lab reactor by a procedure comparable to
  2. additionThe reactor was charged with about 31.1 g

Sources & evidence

ORD record
ord-66975d29552e40698e5e404f59eebdbb
Source dataset
uspto-grants-1993_09
Patent number
US05244725

Linked notes

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