SYNTHESIS AND EVALUATION OF POLYMERS WITH SPECIAL PROPERTIES.
Abstract
Initial efforts were directed to preparing small amounts of 1-acryloxy-2-butyne and 1-methacryloxy-2-butyne to demonstrate that a monomer containing both an ethynyl and a vinyl moiety flanked by an electron withdrawing group could be polymerized through the vinyl group into a linear polymer containing unreacted pendant acetylene moieties. The required intermediate 2-butyn-1-ol was prepared from 1,3-dichloro-2-butene by a twostep process and converted to the desired monomeric esters. These esters were polymerized using cationic and radical initiators. In marked contrast, these monomers were successfully polymerized to the desired soluble, linear polymers by means of anionic initiators resulting in the disappearance of the vinyl moiety and a retention of the acetylenic moiety, confirmed by IR spectra. Synthesis of 2-butyn-1-pl from 1,3-dichloro-2butene instead of from methylacetylene and formaldehyde produces some impurity. Whatever the impurity, it does not prevent verification of the step which involves addition of decaborane to the triple bond of the polymer. (Author)
Document Details
- Document Type
- Technical Report
- Publication Date
- Apr 15, 1963
- Accession Number
- AD0422299
Entities
People
- G. F. D'alelio
- R. C. Evers
Organizations
- University of Notre Dame