Use of certain polyphenylene oxides for the production of aromat

Details Use of certain polyphenylene oxides for the production of aromat Use of certain polyphenylene oxides for the production of aromat

1985-12-09

1987-02-24

Phynes, Lucille M.

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

Synthetic resins

Mixing of two or more solid polymers; mixing of solid...

525390, 525394, C08G 6364, C08F28302

Patent

active

046458069

ABSTRACT:
This invention relates to the use of polyphenylene oxides corresponding to the following general formula: ##STR1## for the production of aromatic block polyether-poly(ester) carbonates by the interfacial process and also to the block polyether-poly(ester) carbonates obtainable by the process.

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patent: 4487918 (1984-12-01), Heitz et al.
patent: 4521584 (1985-06-01), Heitz et al.
patent: 4554330 (1985-11-01), Mark et al.
patent: 4600753 (1986-07-01), Freitag et al.

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