High molecular weight polymethylene adipates

Details High molecular weight polymethylene adipates High molecular weight polymethylene adipates

1992-02-04

1993-10-05

Acquah, Samuel A.

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

Synthetic resins

From carboxylic acid or derivative thereof

528272, 528277, 525437, 525444, C08G 6382

Patent

active

052506568

ABSTRACT:
High molecular weight polymethylene adipates useful as melt adhesives and sealants, including adipates with molecular weights in excess of 30,000 are disclosed. Also provided is a process for preparing high molecular weight polymethylene adipates by polymerization of an acid and one or more diols with a minute molar excess of diol with respect to acid.

REFERENCES:
patent: 4128535 (1978-12-01), Baker
patent: 4267310 (1981-05-01), Landoll
patent: 4326509 (1982-04-01), Usukura
patent: 4751952 (1988-06-01), Imai
patent: 5089344 (1992-02-01), Tamazaki et al.
Kirk-Othmer, Encyclopedia of Chemical Technology, vol. 18, 3rd Ed. pp. 748-749.

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