Polymerization of β‐carbomethoxypropionaldehyde
- 1 November 1972
- journal article
- research article
- Published by Wiley in Journal of Polymer Science Part A-1: Polymer Chemistry
- Vol. 10 (11) , 3421-3428
- https://doi.org/10.1002/pol.1972.170101126
Abstract
High molecular weight crystalline poly(carbomethoxyethyl)oxymethylene was prepared from β‐carbomethoxypropionaldehyde with the use of organometallic compounds. The characterization, fractionation, x‐ray analysis, and viscosity measurement were carried out. Degradation by hydrochloric acid gave a highly crystalline but soluble polymer of a lower molecular weight. It was interesting to note the high solubility character of the polymer in organic solvents in contrast to the poor solubility of the isomeric poly(acetoxyethyl)oxymethylene. From the relationship among the intrinsic viscosity, Huggins' constant, and the solubility parameter of solvent, the solubility parameter of the polymer was determined to be 9.3 (cal/ml)1/2.Keywords
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