Melt process for preparing copolyesters using...

C - Chemistry – Metallurgy – 08 – G

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402/187, 402/214

C08G 63/87 (2006.01) C08G 63/19 (2006.01)

Patent

CA 1126895

ABSTRACT OF THE DISCLOSURE Copolyesters having random sequence distributions can be prepared in the melt phase in the presence of triarylphosphine catalysts. These copolyesters are pre- pared by reacting a first polyester with either a second polyester or polyester precursors. They are useful for the formulation of films, fibers, binders, adhesives, molded articles, sheeting and lacquers.

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