Granted Patent B2

US 12,391,795 · App. 17/287,707 · Granted Aug 19, 2025

Inventor: Kwang Sei Oh (Seongnam-si, KR)

Assignee: SK CHEMICALS CO., LTD.

C08G63/64C08G63/78

Abstract

Claims (17)

1. A polymerization composition, which comprises (a) (a-1) 1,4:3,6-dianhydrohexitol and (a-2) a diol compound other than 1,4:3,6-dianhydrohexitol; and

(b) (b-1) a carbonate compound represented by the following Formula 1, (b-2) a compound represented by the following Formula 2, a compound represented by the following Formula 3, or both, and (b-3) an additional diphenyl ester compound other than the compounds of the above Formulae 2 and 3,

wherein when the mol fraction of the component (a-1) is x (0.1≤x≤1), the mol fraction of the component (a-2) is 1−x, and when the total mol fraction of the components (b-1) and (b-2) is y (0.1≤y≤1), the mol fraction of the component (b-3) is 1−y, provided that both x and y are not 1 at the same time:

in the above formulae, R 1 is each independently an alkyl group having 1 to 18 carbon atoms or an aryl group having 6 to 18 carbon atoms, wherein the aryl group may have at least one substituent selected from the group consisting of an alkyl group having 1 to 18 carbon atoms, a cycloalkyl group having 4 to 20 carbon atoms, an aryl group having 6 to 18 carbon atoms, an alkoxy group having 1 to 18 carbon atoms, a cycloalkoxy group having 4 to 20 carbon atoms, an aryloxy group having 6 to 18 carbon atoms, an alkylsulfonyl group having 1 to 18 carbon atoms, a cycloalkylsulfonyl group having 4 to 20 carbon atoms, an arylsulfonyl group having 6 to 18 carbon atoms, and an ester substituent and

wherein a copolycarbonate ester prepared from the polymerization composition has a biobased carbon content derived from biomass according to ASTM D6866 of 30 % or more and has a melt flow index (MFI) of 43 g/10 minutes to 85 g/10 minutes under a load of 2.16 kg at 260° C. according to ASTM D1238; and

wherein the mol fraction of the component (a-1) is 0.7 to 0.8, the mol fraction of the component (a-2) is 0.2 to 0.3, the mol fraction of the component (b-1) is 0.2 to 0.7, and the mol fraction of the component (b-2) is 0.3 to 0.8.

2. The polymerization composition of claim 1 , wherein the compound represented by the above Formula 2, the compound represented by the above Formula 3, and the components (a-2) and (b-3) are each independently biobased monomers derived from at least one selected from the group consisting of sugar, limonene, and lignin.

3. The polymerization composition of claim 1 , wherein the component (a-2) is at least one diol compound selected from the group consisting of ethylene glycol, 1,3-propanediol, 1,4-butanediol, 1,5-pentanediol, 1,6-hexanediol, 1,7-heptanediol, 1,8-octanediol, 1,9-nonanediol, 1,10-decanediol, 1,11-undecanediol, 1,12-dodecanediol, 1,13-tridecanediol, 1,14-tetradecanediol, 1,15-pentadecanediol, 1,16-hexadecanediol, triethylene glycol, tetraethylene glycol, pentaethylene glycol, hexaethylene glycol, heptaethylene glycol, octaethylene glycol, nonaethylene glycol, decaethylene glycol, undecaethylene glycol, dodecaethylene glycol, 1,2-cyclohexanedimethanol, 1,3-cyclohexanedimethanol, 1,4-cyclohexanedimethanol, tricyclodecane dimethanol, pentacyclopentadecanedimethanol, decalindimethanol, tricyclotetradecanedimethanol, norbornanedimethanol, adamantanedimethanol, 3,9-bis(1,1-dimethyl-2-hydroxyethyl)-2,4,8,10-tetraoxaspiro[5,5]undecane, bicyclo[2.2.2]octane-2,3-dimethanol, 1,2-cyclohexanediol, 1,3-cyclohexanediol, 1,4-cyclohexanediol, 2-methyl-1,4-cyclohexanediol, tricyclodecanediol, pentacyclopentadecanediol, decalindiol, tricyclotetradecanediol, norbornanediol, adamantanediol, 2,2-bis(4-hydroxycyclohexyl)propane, 2,2,4,4-tetramethyl-1,3-cyclobutanediol, hydroquinone, biphenol, 2,2′-biphenol, 1,5-dihydroxynaphthalene, 2,2-bis(4-hydroxyphenyl)propane, 2,2-bis(4-hydroxy-3,5-dimethylphenyl)propane, 2,2-bis(4-hydroxy-3,5-diethylphenyl)propane, 1,1-bis(4-hydroxyphenyl)-1-phenyl-ethane, 1,1-bis(4-hydroxyphenyl)cyclohexane, 1,1-bis(4-hydroxyphenyl)-3,3,5-trimethyl-cyclohexane, 5,5′-(1-methylethyliden)-bis[1,1′-(bisphenyl)-2-ol]propane, 1,4-bis[2-(4-hydroxyphenyl)-2-propyl]benzene, bis(4-hydroxyphenyl)sulfone, 1,3-bis[2-(4-hydroxyphenyl)-2-propyl]benzene, 2,2-bis(4-hydroxy-3-isopropyl-phenyl)propane, bis(4-hydroxyphenyl)methane, 1,1-bis(4-hydroxyphenyl)ethane, bis(4-hydroxyphenyl)-2,2-dichloroethylene, 2,2-bis(3-methyl-4-hydroxyphenyl)propane, bis(4-hydroxyphenyl)diphenylmethane, 2,2-bis(4-hydroxyphenyl)butane, 2,2-bis(4-hydroxyphenyl)hexafluoropropane, 3-(4-hydroxyphenyl)-1,1,3-trimethyl-5-indanol, 9,9-bis(4-hydroxyphenyl)fluorene, 3,3′-spiro-bis(1,1-dimethyl-2,3-dihydro-1H-inden-5-ol, dispiro[5.1.5.1]tetradecane-7,14-diol, 5,5′-(1-methylethylidene)bis(2-furanmethanol), 2,4:3,5-di-o-methylene-D-mannitol, and tetrahydrofuran-2,5-dimethanol.

4. The polymerization composition of claim 3 , wherein the component (a-2) is 1,14-tetradecanediol, 1,4-cyclohexanedimethanol, tricyclodecane dimethanol, 3,9-bis(1,1-dimethyl-2-hydroxyethyl)-2,4,8,10-tetraoxaspiro[5,5]undecane, bicycle[2.2.2]octane-2,3-dimethanol, 2,2-bis(4-hydroxycyclohexyl)propane, 2,2,4,4-tetramethyl-1,3-cyclobutanediol, 1,1-bis(4-hydroxyphenyl)-3,3,5-trimethylcyclohexane, 9,9-bis(4-hydroxyphenyl)fluorene, or tetrahydrofuran-2,5-dimethanol.

5. The polymerization composition of claim 1 , wherein the component (b-3) is at least one selected from the group consisting of diphenyl oxalate, diphenyl malonate, diphenyl succinate, diphenyl glutarate, diphenyl adipate, diphenyl pimelate, diphenyl suberate, diphenyl azelate, diphenyl sebacate, diphenyl undecanedioate, diphenyl dodecanedioate, diphenyl tridecanedioate, diphenyl tetradecanedioate, diphenyl pentadecanedioate, diphenyl hexadecanedioate, 1,2-diphenyl-cyclohexanedicarboxylate, 1,3-diphenyl-cyclohexanedicarboxylate, diphenyl decahydronaphthalene-2,4-dicarboxylate, diphenyl decahydronaphthalene-2,5-dicarboxylate, diphenyl decahydronaphthalene-2,6-dicarboxylate, diphenyl decahydronaphthalene-2,7-dicarboxylate, diphenyl tetrahydrofuran-2,5-dicarboxylate, diphenyl isophthalate, 4,4′-diphenyl-biphenyldicarboxylate, 4,4′-diphenyl-ethylidenebisbenzoate, 4,4′-diphenyl-oxybisbenzoate, 2,4-diphenyl-naphthalenedicarboxylate, 2,5-diphenyl-naphthalenedicarboxylate, 2,6-diphenyl-naphthalenedicarboxylate, 2,7-diphenyl-naphthalenedicarboxylate, and 2,5-diphenyl-furandicarboxylate.

6. The polymerization composition of claim 5 , wherein the component (b-3) is diphenyl sebacate, diphenyl decahydronaphthalene-2,6-dicarboxylate, diphenyl tetrahydrofuran-2,5-dicarboxylate, or 2,5-diphenyl-furandicarboxylate.

7. A process for preparing a copolycarbonate ester, which comprises subjecting the polymerization composition of claim 1 to a melt-polycondensation reaction to prepare a copolycarbonate ester.

8. The process for preparing a copolycarbonate ester of claim 7 , wherein the melt-polycondensation reaction comprises (1) a first reaction at a reduced pressure of 50 to 700 Torr and at a temperature of 130 to 250° C. for 0.1 to 10 hours; and (2) a second reaction at a reduced pressure of 0.1 to 20 Torr and at a temperature of 200 to 350° C. for 0.1 to 10 hours.

9. A copolycarbonate ester prepared from the polymerization composition of claim 1 .

10. The copolycarbonate ester of claim 9 , which has a glass transition temperature of 100 to 240° C.

11. A molded article prepared from the copolycarbonate ester of claim 9 .

12. The polymerization composition of claim 1 , wherein the carbonate compound (b-1) is diphenyl carbonate.

Assignments (1)

Priority Claims (1)

Continuity (1)

References Cited (32)