| 摘要 |
A process for the preparation of an oligomeric acrylic acid of the formula CH2=CH-COO[CH2-CH2-COO]nH wherein n represents a number from 1 to 6 is described wherein acrylic acid is heated in the presence of a polymerization inhibitor to a temperature of about 50 DEG to about 200 DEG C. The process can be carried out at sub-atmospheric pressure, atmospheric pressure or super-atmospheric pressure and in the presence or absence of a solvent.
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