Titanate catalysts

Details Titanate catalysts Titanate catalysts

1996-03-20

1998-01-20

Caldarola, Glenn

Catalyst, solid sorbent, or support therefor: product or process

Catalyst or precursor therefor

Organic compound containing

502162, 556 21, 556 54, 556 56, B01J 3100, C07F 700, C07F 728

Patent

active

057100861

ABSTRACT:
Reaction mixtures prepared from tetraalkyl titanates and mixtures of glycols, said reaction mixtures comprising titanium bisglycoxide oligomers, may be used as depolymerization catalysts for conversion of linear polyesters to macrocyclic polyester oligomers.

REFERENCES:
patent: 2643262 (1953-06-01), Bostwick
patent: 3091625 (1963-05-01), Gilsdorf
patent: 3119852 (1964-01-01), Gilsdorf
patent: 3320193 (1967-05-01), Beck et al.
patent: 3892791 (1975-07-01), Brook et al.
patent: 4438039 (1984-03-01), Beers et al.

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