Preparation of branched poly(alkylene terephthalates)

Details Preparation of branched poly(alkylene terephthalates) Preparation of branched poly(alkylene terephthalates)

C - Chemistry, Metallurgy

08

G

402/202

C08G 63/20 (2006.01) C08G 63/80 (2006.01) C08G 63/183 (2006.01)

Patent

CA 1107000

8CH-2049 ABSTRACT OF THE DISCLOSURE A process for the preparation of branched poly (alkylene terephthalates) and mixtures of poly(alkylene terephthalates) is disclosed. The process comprises intimately blending the linear polyesters with a branching component, transforming the blend to a particulate state, and solid state polymerizing until a copolyester having the desired molecular weight is achieved.

291225

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