| 摘要 |
Compounds of formula (I), wherein each of R and R' are independently selecte d from hydrogen, a hydroxyl group, a carboxyl group, an alkyl, aryl or alkaryl group or a hydroxy or carboxy substituted alkyl, aryl or alkaryl group, provided that R and R', together have a total of less than 23 carbon atoms, R'' may either be hydrogen or a CHR=CR1 group or be selected from the same categories as R'''; R''' is a group, or polymeric chain comprising from 1 to 100,000 groups, said group or groups being derived form at least one ethylenically unsaturated compound wherein the double bond is activated by a n adjacent electron withdrawing group, and n is greater than 1 are novel, are useful corrosion inhibitors and are valuable intermediates in preparing telomers for use in water treatment.
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