Ethylene Glycol → Dimethyl terephthalate

HRID 426644Notes

Reaction equation

HRID 426644 reaction equation
[CH2:1]([OH:4])[CH2:2]O.O[CH2:6][CH:7]([CH2:9][OH:10])O>>[C:9]([O:10][CH3:1])(=[O:10])[C:7]1[CH:6]=[CH:7][C:2]([C:1]([O:4][CH3:2])=[O:4])=[CH:9][CH:6]=1

Participants

3

Reactant 2

HCID 174Ethylene GlycolHCID 753Glycerol

Product 1

HCID 8441Dimethyl terephthalateYield 490.7%

Procedure

A polyester is produced in known manner from 388 g of dimethyl terephthalate, 112 g of ethylene glycol and 75 g of glycerin, and mixed with 273 g of the reaction product of Example A, added thereto in two portions at a temperature of 180°-215° C. Subsequently the reaction product is worked up as described in Example 1, the obtained lacquer is diluted to a solid body content of 27% and the viscosity of 55 seconds, and copper wire is lacquered therewith.

Sources & evidence

ORD record
ord-34a13c9db90c4ee5b5d522e6eda31e46
Source dataset
uspto-grants-1979_10
Patent number
US04170684

Reaction notes

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