Polyester manufacture

Details Polyester manufacture Polyester manufacture

1975-12-22

1978-05-09

Phynes, Lucille M.

Chemistry of carbon compounds

Miscellaneous organic carbon compounds

260 47C, 260 75EP, C08G 6300

Patent

active

040886352

ABSTRACT:
The manufacture of a poly(alkylene arylene dicarboxylate) by reaction of an aromatic dicarboxylic acid in the solid state with an alkylene oxide wherein a major part of the reaction mass forms a solid phase throughout the reaction, in the presence of phosphorous acid as catalyst.

REFERENCES:
patent: 3355434 (1967-11-01), Milligan et al.
patent: 3725461 (1973-04-01), Jamison
patent: 3766145 (1973-10-01), Thompson

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