Thermoplastic polyetherimide ester elastomers exhibiting improve

Details Thermoplastic polyetherimide ester elastomers exhibiting improve Thermoplastic polyetherimide ester elastomers exhibiting improve

1986-09-30

1987-12-22

Phynes, Lucille M.

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

Synthetic resins

From carboxylic acid or derivative thereof

528183, 528289, 528296, C08G 6344, C08G 6944

Patent

active

047147555

ABSTRACT:
Polyetherimide ester elastomers exhibiting improved thermal properties prepared from (i) a diol mixture containing at least in excess of 50 mole percent of cyclohexane dimethanol, (ii) at least one dicarboxylic acid, and (iii) either a combination of at least one tricarboxylic acid and at least one poly(oxyalkylene)diamine, or at least one poly(oxyalkylene)diimide diacid.
These elastomers are suitable for use in extrusion and molding applications requiring elastomers exhibiting good thermal properties, particularly high melt temperatures.

REFERENCES:
patent: 4121266 (1978-10-01), Kovacs et al.
patent: 4349469 (1982-09-01), Davis et al.
patent: 4544734 (1985-10-01), McCready
patent: 4556688 (1985-12-01), McCready et al.
patent: 4556705 (1985-12-01), McCready
patent: 4604449 (1986-08-01), Jackson et al.
patent: 4605728 (1986-08-01), Tung

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