초록 ▼

This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic-aromatic copolyesters and/or polymeric compounds as well as fibers, mo

This invention relates to binary blends of cellulose esters and aliphatic-aromatic copolyesters, cellulose esters and aliphatic polyesters as well as ternary blends of cellulose esters and/or aliphatic polyesters and/or aliphatic-aromatic copolyesters and/or polymeric compounds as well as fibers, molded objects, and films prepared therefrom.

대표청구항 ▼

[ We claim:] [1.] A uniaxially or biaxially oriented plastic film comprising an essentially linear, random, semicrystalline aliphatic-aromatic copolyester which has an inherent viscosity of about 0.5 to 1.8 deciliters/gram as measured at a temperature of 25.degree. C. for a 0.5 g sample in 100 mL of

[ We claim:] [1.] A uniaxially or biaxially oriented plastic film comprising an essentially linear, random, semicrystalline aliphatic-aromatic copolyester which has an inherent viscosity of about 0.5 to 1.8 deciliters/gram as measured at a temperature of 25.degree. C. for a 0.5 g sample in 100 mL of a 60/40 parts by weight solution of phenol/tetrachloroethane wherein the aliphatic-aromatic copolyester is comprised of repeat units of the following structure: [ STR 6 ] wherein R.sup.11 and R.sup.12 are the same and are selected from the groups consisting of C.sub.4 and C.sub.6 alkylene wherein R.sup.11 and R.sup.12 are 100% of the diol components; R.sup.13 is selected from the group consisting of C.sub.3 -C.sub.4 alkylene wherein the mole % of R.sup.13 is from about 40-60% of the dicarboxylic components; and R.sup.14 is selected from the group consisting of C6-C10 aryl wherein the mole % of R.sup.14 is from about 60-40% of the dicarboxylic component.