Polyphenylene ethers with imide linking groups

Details Polyphenylene ethers with imide linking groups Polyphenylene ethers with imide linking groups

1983-02-25

1984-04-24

Lee, Lester L.

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

Synthetic resins

From phenol, phenol ether, or inorganic phenolate

528125, 528128, 528185, C08G 7310

Patent

active

044449798

ABSTRACT:
Novel polyphenylene ethers with imide linking units are disclosed. These polymers incorporate the solvent and thermal resistance of polyimides and the processability of polyphenylene ethers. Improved physical properties over those of the prior art are obtained by incorporating meta linked ethers and/or polyphenylene oxides into the polymer backbone. A novel process for making polymers of this type is also disclosed. The process is unique in that the expected need of high process temperatures and/or special atmospheres are eliminated.

REFERENCES:
patent: 3933749 (1976-01-01), Williams
patent: 3983093 (1976-09-01), Williams et al.
patent: 4180648 (1979-12-01), St. Clair et al.
patent: 4281100 (1981-07-01), Takekoshi

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