Polyethylene terephthalate saponification process

Details Polyethylene terephthalate saponification process Polyethylene terephthalate saponification process

1985-01-22

1986-03-25

Trousof, Natalie

Organic compounds -- part of the class 532-570 series

Organic compounds

Carboxylic acid esters

5283081, 5283083, 5283084, 5283088, 562483, 562485, 562486, 562487, 568858, C07C 6760, C07C 51487

Patent

active

045785023

ABSTRACT:
Solid scrap polyethylene terephthalate (PET) resin may be reprocessed by depolymerizing said scrap in the presence of water or methanol, recovering the monomers resulting from the depolymerization reaction and repolymerizing the monomers to form polymeric polyethylene phthalate.

REFERENCES:
patent: 3223731 (1965-12-01), Craig

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