FIELD: chemistry.
SUBSTANCE: invention relates to halogen-containing aromatic oligoethers of general formula: where n=2-10 which are used as oligomers for producing block copolymers. The oxygen index of the block copolymers based on the disclosed oligomers ranges from 50 to 55%.
EFFECT: obtaining aromatic oligoethers which are used as oligomers for producing block copolymers.
2 tbl, 18 ex
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AROMATIC POLYESTERSULFON | 2017 |
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RU2382756C2 |
Authors
Dates
2012-03-20—Published
2010-06-30—Filed