Process for the production of high molecular weight polyesters

Details Process for the production of high molecular weight polyesters Process for the production of high molecular weight polyesters

1977-08-17

1978-12-05

Phynes, Lucille M.

Synthetic resins or natural rubbers -- part of the class 520 ser

Synthetic resins

From carboxylic acid or derivative thereof

528272, 528308, C08G 6314

Patent

active

041285336

ABSTRACT:
The invention relates to a process for the production of a high molecular weight polyester, which comprises reacting a dicarboxylic acid or derivative thereof with a diol in the presence of a combination of compounds of manganese, magnesium, titanium and antimony as a catalyst.

REFERENCES:
patent: 3446763 (1969-05-01), Okuzumi
patent: 3907754 (1975-09-01), Tershansy et al.
patent: 3962189 (1976-06-01), Russin et al.
patent: 4010145 (1977-03-01), Russin et al.

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