| abstract |
Polyfunctional ethylenic monomers of the general formula (I): n<IMAGE>n where R = cyano, substituted or unsubstituted acyl, substituted or unsubstituted alkoxycarbonyl or substituted or unsubstituted aryloxycarbonyl; each of R1 and R2 denotes -CHR3R4 where R3 and R4, which are identical or different, denote H or an alkyl, alkenyl or aralkyl, or R1 and R2 together form a radical -CH2(CR5R6)n-CHR7- where n = 0 or 1 and R5, R6 and R7, which are identical or different, denote H or CH3. n<??>Particular monomers: 2-cyano-4,4-dimethoxy-3-hydroxy-1-butene; 2-cyano-4,4-dibutoxy-3-hydroxy-1-butene; 4,4-dibutoxy- 2-ethoxycarbonyl-3-hydroxy-1-butene; 2-butoxycarbonyl-4,4-dibutoxy- 3-hydroxy-1-butene; 4,4-dimethoxy-2-hydroxyethoxycarbonyl-1-butene; 4,4-dimethoxy-2-dimethylaminoethoxycarbonyl-3-hydroxy-1-butene and 4,4-dimethoxy-2-ethoxycarbonyl-3-hydroxy-1-butene. |