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Variants on the Holiday Season is a symphonic poem for full orchestra. This composition is based on five Christmas songs including three Medieval tunes, \"Nowel Syng We Bothe Al and Son,\" \"Riu Riu,\" and \"Two French Dances,\" along with \"O Come All Ye Faithful\" and \"Deck the Halls.\" Most of the music is derived from motives, rhythms, harmonies, and interval patterns of the original songs. The harmonies employed are created from the modes of the original tunes. Although there is no program supporting this work, it is considered a symphonic poem because it incorporates chimes, glockenspiel and sleigh bells which are all used to create allusions to the Christmas holiday. Variants on the Holiday Season, completed May 10, 1989 is specially dedicated to the memory of Preston Joseph Nash, Sr. (1921-1989).

The diol and dicarboxylic acid in polyester synthesis are significant independent variables that relate directly to the structure–property-dependent variables of polyesters. The choice of the stereoisomers of the diol in the polyester synthesis can significantly alter the mechanical and thermal performance. Terephthalate polyesters prepared from the proper ratio of 2,2,4,4-tetramethyl-1,3-cyclobutanediol (CBDO) and 1,3-propanediol have superior impact resistance when compared to ballistics grade polycarbonate. In addition these polymers exhibit very strong self-healing behavior that is activated by heat. These copolymers were all produced with a mixture of cis and trans isomers with a ratio of 43/57, respectively. This study reports research conducted to determine the structure–property relationships that can be attributed to the stereoisomers of the CBDO monomer. The polyester prepared with 99 % cis (CBDO) monomer has significantly improved mechanical and thermal performance when compared with the polyester prepared with a 43:57 mixture of cis and trans isomers or 100 % trans isomer. Thermal gravimetric analysis and differential scanning calorimetry demonstrated that the cis CBDO polymer exhibit a much higher T g (99 °C for cis and 69 °C for the trans 84.5 °C for the mixed polymer) and better thermal stability than the trans form of the polymer (onset of decomposition of trans at 345 and 360 °C for cis ). Dynamic mechanical analysis and the Notched Izod demonstrated that the cis form of the polymer was much tougher than the trans form. Wide angle X-ray diffraction showed that the trans form was semicrystalline and the cis form was amorphous. The Notched Izod impact was 1070 J/m for the cis CBDO-based copolymer with the trans form having an impact factor of 841 J/m with the mixed polymer exhibiting an intermediate value of 944 J/M. Molecular modeling supports the experimental evidence that the choice of stereoisomers for the diol significantly influences the molecular architecture of the polyesters. The molecular architecture of polyesters in addition to polar attraction and molecular weight variables provides a dramatic increase in mechanical and thermal performance.

The diol and dicarboxylic acid in polyester synthesis are significant independent variables that relate directly to the structureaproperty-dependent variables of polyesters. The choice of the stereoisomers of the diol in the polyester synthesis can significantly alter the mechanical and thermal performance. Terephthalate polyesters prepared from the proper ratio of 2,2,4,4-tetramethyl-1,3-cyclobutanediol (CBDO) and 1,3-propanediol have superior impact resistance when compared to ballistics grade polycarbonate. In addition these polymers exhibit very strong self-healing behavior that is activated by heat. These copolymers were all produced with a mixture of cis and trans isomers with a ratio of 43/57, respectively. This study reports research conducted to determine the structureaproperty relationships that can be attributed to the stereoisomers of the CBDO monomer. The polyester prepared with 99 % cis (CBDO) monomer has significantly improved mechanical and thermal performance when compared with the polyester prepared with a 43:57 mixture of cis and trans isomers or 100 % trans isomer. Thermal gravimetric analysis and differential scanning calorimetry demonstrated that the cis CBDO polymer exhibit a much higher T g (99 degree C for cis and 69 degree C for the trans 84.5 degree C for the mixed polymer) and better thermal stability than the trans form of the polymer (onset of decomposition of trans at 345 and 360 degree C for cis). Dynamic mechanical analysis and the Notched Izod demonstrated that the cis form of the polymer was much tougher than the trans form. Wide angle X-ray diffraction showed that the trans form was semicrystalline and the cis form was amorphous. The Notched Izod impact was 1070 J/m for the cis CBDO-based copolymer with the trans form having an impact factor of 841 J/m with the mixed polymer exhibiting an intermediate value of 944 J/M. Molecular modeling supports the experimental evidence that the choice of stereoisomers for the diol significantly influences the molecular architecture of the polyesters. The molecular architecture of polyesters in addition to polar attraction and molecular weight variables provides a dramatic increase in mechanical and thermal performance.