Container and composition for enhanced gas barrier properties
원문보기
IPC분류정보
국가/구분
United States(US) Patent
등록
국제특허분류(IPC7판)
C08K-005/12
B29C-049/08
C08K-005/1535
C08K-005/1539
B29K-067/00
B29K-105/00
B29L-031/00
출원번호
US-0704408
(2015-05-05)
등록번호
US-9464184
(2016-10-11)
발명자
/ 주소
Kriegel, Robert
Huang, Xiaoyan
Schiavone, Robert
Freeman, T. Edwin
출원인 / 주소
THE COCA-COLA COMPANY
대리인 / 주소
Sutherland Asbill & Brennan LLP
인용정보
피인용 횟수 :
0인용 특허 :
26
초록▼
A container comprising a polyester composition with enhanced carbon dioxide and oxygen barrier properties and methods of improving the gas barrier properties of polyester containers are provided. The polyester composition comprises a polyester and a gas barrier enhancing additive. In a particular em
A container comprising a polyester composition with enhanced carbon dioxide and oxygen barrier properties and methods of improving the gas barrier properties of polyester containers are provided. The polyester composition comprises a polyester and a gas barrier enhancing additive. In a particular embodiment, the gas barrier enhancing additive comprises a compound having the chemical formula: X—(X1)s—COO—(X2)t—X3—(X4)u—OOC—(X5)v—X6 orX—(X1)s—OOC—(X2)t—X3—(X4)u—COO—(X5)v—X6.
대표청구항▼
1. A method for enhancing the mechanical properties of a polyester container, the method comprising: blending a polyester with at least one gas barrier additive to form a polyester composition having an I.V. from about 0.65 dL/g to about 1.0 dL/g; andstretch blow molding the polyester composition in
1. A method for enhancing the mechanical properties of a polyester container, the method comprising: blending a polyester with at least one gas barrier additive to form a polyester composition having an I.V. from about 0.65 dL/g to about 1.0 dL/g; andstretch blow molding the polyester composition into a polyester container;wherein the at least one gas barrier additive comprises a compound having the chemical structure of Formula I: wherein X and X6, independent of one another, comprise hydrogen, halide, heteroatom, amino, amido, alkylamino, arylamino, alkoxy, aryloxy, nitro, acyl, cyano, sulfo, sulfato, mercapto, imino, sulfonyl, sulfenyl, sulfinyl, sulfamoyl, phosphonyl, phosphinyl, phosphoryl, phosphino, thioester, thioether, anhydride, oximno, hydrazino, carbamyl, phosphonic acid, phosphonato, or a C1-C10 monovalent hydrocarbon which is unsubstituted or substituted with one or more functional moieties;wherein X1, X2, X3, X4, and X5, independent of one another, comprise a heteroatom or a C1-C10 divalent hydrocarbon, wherein each heteroatom or C1-C10 divalent hydrocarbon is unsubstituted or substituted with one or more functional moieties or one or more C1-C10 hydrocarbyls that are unsubstituted or substituted with one or more functional moieties;wherein s, t, u, and v, independent of one another, is a number from 0 to 10; andwherein when X3 comprises a C6 or C10 divalent aromatic hydrocarbon, X and X6, independent of one another, comprise a hydrogen, halide, heteroatom, hydroxyl, amino, amido, alkylamino, arylamino, alkoxy, aryloxy, nitro, acyl, cyano, sulfo, sulfato, mercapto, imino, sulfonyl, sulfenyl, sulfinyl, sulfamoyl, phosphonyl, phosphinyl, phosphoryl, phosphino, thioester, thioether, anhydride, oximno, hydrazino, carbamyl, phosphonic acid, phosphonato, or a C3-C10 monovalent cyclic or heterocyclic non-aryl hydrocarbon that are unsubstituted or substituted with one or more functional moieties. 2. The method according to claim 1, wherein the gas barrier additive comprises a compound having the chemical structure of Formula I, wherein X and X6 each comprise a phenyl group, a naphthyl group, or a cyclohexyl group. 3. The method according to claim 1, wherein the gas barrier additive comprises a compound having one of the following chemical structures according to Formula I: 4. The method according to claim 1, wherein the gas barrier additive is present in the polyester composition in an amount in the range of about 0.1 to about 10 weight percent of the polyester composition. 5. The method according to claim 1, wherein the polyester comprises polyethylene terephthalate. 6. The method according to claim 1, wherein the polyester composition comprises a poly(ethylene terephthalate) based copolymer having less than 20 percent diacid, less than 10 percent glycol modification, or both, based on 100 mole percent diacid component and 100 mole percent diol component. 7. The method according to claim 1, wherein the polyester composition comprises a polyester made using at least one first polycondensation catalyst selected from the group consisting of metals in groups 3, 4, 13, and 14 of the Periodic Table and comprising a catalyst residue remaining in the polyester from formation of the polyester, the catalyst residue comprising at least a portion of the at least one first polycondensation catalyst. 8. The method according to claim 1, wherein the gas barrier additive comprises a compound having the chemical structure of Formula I, wherein X and X6, independent of one another, comprise a methyl, ethyl, phenyl, naphthyl, benzoate, hydroxyl, amino, amido, alkylamino, arylamino, alkoxy, aryloxy, or a monovalent C3-C5 aliphatic cyclic group;wherein X1, X2, X4, and X5, independent of one another, comprise a divalent benzoate or C1-C2 aliphatic group;wherein s and v, independent of one another, is a number from 0 to 2;wherein t and u, independent of one another, is a number from 1 to 2; andwherein X3 comprises a divalent methyl, ethyl, phenyl, naphthyl, anthracenyl, a C3-C5 aliphatic cyclic group, a C3-C5 cyclic group with one or more heteroatoms, or a C6 bi-furan. 9. The method according to claim 1, further comprising a creep control agent, wherein the creep control agent comprises a compound having the chemical structure: wherein R1, R2, R3, and R4, independent of one another, may comprise a heteroatom, a tetravalent carbon atom, or a C1-C3 divalent or trivalent hydrocarbon; wherein each heteroatom, tetravalent carbon atom, or C1-C3 divalent or trivalent hydrocarbon may be unsubstituted or substituted with one or more functional moieties or one or more C1-C10 hydrocarbyls that may be unsubstituted or substituted with one or more functional moieties;wherein i, ii, iii, iv, v, and vi, independent of one another, comprise a single, double, or triple bond; wherein when i is a double bond, ii and vi are single bonds; wherein when ii is a double bond, i and iii are single bonds; wherein when iii is a double bond, ii and iv are single bonds; wherein when iv is a double bond iii and v are single bonds; wherein when v is a double bond, iv and vi are single bonds; wherein when vi is a double bond, i and v are single bonds; wherein vii may be a single bond, double bond, or no bond at all connects R3 and R4;wherein m, n, o, and p, independent of one another, may be 0 or 1; wherein when m is 0, bonds ii and iii form a single continuous bond; wherein when n is 0, bonds vi and v form a single continuous bond; wherein when o is 0, R4 is bonded to R1 by a single bond; and wherein when p is 0, R3 is bonded to R2 by a single bond. 10. The method according to claim 1, further comprising a creep control agent, wherein the creep control agent comprises a compound having the chemical structure: wherein A1, A2, R8, R9, and R10, independent of one another, may comprise a heteroatom, a tetravalent carbon atom, a C1-C10 divalent or trivalent hydrocarbon, or a C1-C10 hydrocarbyl that may be unsubstituted or substituted with one or more functional moieties;wherein each heteroatom, tetravalent carbon atom, or C1-C10 divalent or trivalent hydrocarbon may be unsubstituted or substituted with one or more functional moieties or one or more C1-C10 hydrocarbyls that may be unsubstituted or substituted with one or more functional moieties;wherein m′, n′, and p′, independent of one another, may be 0 or 1;wherein i, ii, and iii, independent of one another may be a single bond or a double bond;wherein t, u, v, and w, independent of one another may be a single bond, double bond, or triple bond; andwherein q, r, and s may be from 0 to 10,000. 11. The method according to claim 1, further comprising a creep control agent, wherein the creep control agent comprises a compound having one of the following chemical structures: 12. The method according to claim 1, further comprising a creep control agent, wherein the gas barrier additive comprises a compound having the chemical structure of Formula I, wherein X and X6, independent of one another, comprise a methyl, ethyl, phenyl, naphthyl, benzoate, hydroxyl, amino, amido, alkylamino, arylamino, alkoxy, aryloxy, or a monovalent C3-C5 aliphatic cyclic group;wherein X1, X2, X4, and X5, independent of one another, comprise a divalent benzoate or C1-C2 aliphatic group;wherein s and v, independent of one another, is a number from 0 to 2;wherein t and u, independent of one another, is a number from 1 to 2; andwherein X3 comprises a divalent methyl, ethyl, phenyl, naphthyl, anthracenyl, a C3-C5 aliphatic cyclic group, a C3-C5 cyclic group with one or more heteroatoms, or a C6 bi-furan. 13. A method for enhancing the mechanical properties of a polyester container, the method comprising: blending a polyester with at least one gas barrier additive to form a polyester composition having an I.V. from about 0.65 dL/g to about 1.0 dL/g; andstretch blow molding the polyester composition into a polyester container having a Barrier Improvement Factor of at least about 1.05;wherein the at least one gas barrier additive comprises a compound having one of the following chemical structures: 14. The method according to claim 13, wherein the at least one gas barrier additive comprises a compound having one of the following chemical structures: 15. A method for enhancing the mechanical properties of a polyester container, the method comprising: blending a polyester with at least one gas barrier additive to form a polyester composition having an I.V. from about 0.65 dL/g to about 1.0 dL/g; andstretch blow molding the polyester composition into a polyester container;wherein the at least one gas barrier additive comprises a compound having the chemical structure of Formula II: wherein X and X6, independent of one another, comprise hydrogen, halide, heteroatom, amino, amido, alkylamino, arylamino, alkoxy, aryloxy, nitro, acyl, cyano, sulfo, sulfato, mercapto, imino, sulfonyl, sulfenyl, sulfinyl, sulfamoyl, phosphonyl, phosphinyl, phosphoryl, phosphino, thioester, thioether, anhydride, oximno, hydrazino, carbamyl, phosphonic acid, phosphonato, or a C1-C10 monovalent hydrocarbon which is unsubstituted or substituted with one or more functional moieties;wherein X1, X2, X3, X4, and X5, independent of one another, comprise a heteroatom or a C1-C10 divalent hydrocarbon, wherein each heteroatom or C1-C10 divalent hydrocarbon is unsubstituted or substituted with one or more functional moieties or one or more C1-C10 hydrocarbyls that are unsubstituted or substituted with one or more functional moieties;wherein s and v, independent of one another, is a number from 1 to 10;wherein t and u, independent of one another, is a number from 0 to 10; andwherein when X3 comprises a C6 or C10 divalent aromatic hydrocarbon, X and X6, independent of one another, comprise a halide, heteroatom, amino, amido, alkylamino, arylamino, alkoxy, aryloxy, nitro, acyl, cyano, sulfo, sulfato, mercapto, imino, sulfonyl, sulfenyl, sulfinyl, sulfamoyl, phosphonyl, phosphinyl, phosphoryl, phosphino, thioester, thioether, anhydride, oximno, hydrazino, carbamyl, phosphonic acid, phosphonato, or a C3-C10 monovalent cyclic or heterocyclic non-aryl hydrocarbon that are unsubstituted or substituted with one or more functional moieties. 16. The method according to claim 15, wherein the gas barrier additive is present in the polyester composition in an amount in the range of about 0.1 to about 10 weight percent of the polyester composition. 17. The method according to claim 15, wherein the polyester comprises polyethylene terephthalate. 18. The method according to claim 15, wherein the polyester composition comprises a poly(ethylene terephthalate) based copolymer having less than 20 percent diacid, less than 10 percent glycol modification, or both, based on 100 mole percent diacid component and 100 mole percent diol component. 19. The method according to claim 15, further comprising a creep control agent, wherein the gas barrier additive comprises a compound having the chemical structure of Formula II, wherein X and X6, independent of one another, comprise a methyl, ethyl, phenyl, naphthyl, benzoate, amino, amido, alkylamino, arylamino, alkoxy, aryloxy, or a monovalent C3-C5 aliphatic cyclic group;wherein X1, X2, X4, and X5, independent of one another, comprise a divalent benzoate or C1-C2 aliphatic group;wherein s and v, independent of one another, is a number from 1 to 2;wherein t and u, independent of one another, is a number from 1 to 2; andwherein X3 comprises a divalent methyl, ethyl, phenyl, naphthyl, anthracenyl, a C3-C5 aliphatic cyclic group, a C3-C5 cyclic group with one or more heteroatoms, or a C6 bi-furan. 20. The method according to claim 15, wherein the polyester composition comprises a polyester made using at least one first polycondensation catalyst selected from the group consisting of metals in groups 3, 4, 13, and 14 of the Periodic Table and comprising a catalyst residue remaining in the polyester from formation of the polyester, the catalyst residue comprising at least a portion of the at least one first polycondensation catalyst. 21. The method according to claim 15, wherein the gas barrier additive comprises a compound having the chemical structure of Formula II, wherein X and X6, independent of one another, comprise a methyl, ethyl, phenyl, naphthyl, benzoate, amino, amido, alkylamino, arylamino, alkoxy, aryloxy, or a monovalent C3-C5 aliphatic cyclic group;wherein X1, X2, X4, and X5, independent of one another, comprise a divalent benzoate or C1-C2 aliphatic group;wherein s and v, independent of one another, is a number from 1 to 2;wherein t and u, independent of one another, is a number from 1 to 2; andwherein X3 comprises a divalent methyl, ethyl, phenyl, naphthyl, anthracenyl, a C3-C5 aliphatic cyclic group, a C3-C5 cyclic group with one or more heteroatoms, or a C6 bi-furan. 22. The method according to claim 15, wherein the step of blending a polyester with at least one gas barrier additive further comprises blending the polyester with a creep control agent. 23. The method according to claim 15, wherein the gas barrier additive comprises a compound having the following chemical structures according to Formula II: 24. The method according to claim 15, wherein the gas barrier additive comprises a compound having one of the following chemical structures according to Formula II: 25. The method according to claim 15, wherein the gas barrier additive comprises a compound having the chemical structure of Formula II, wherein X and X6 each comprise a benzoate group. 26. The method according to claim 15, wherein the gas barrier additive comprises a compound having the chemical structure of Formula II, wherein X and X6 each comprise a benzoate group and t and u are 0. 27. The method according to claim 15, wherein the gas barrier additive comprises a compound having the chemical structure of Formula II, wherein X and X6 each comprise a benzoate group, t and u are 0, s and v are 1, and X1 and X5 each comprise a divalent C1 hydrocarbon. 28. The method according to claim 15, wherein the gas barrier additive comprises a compound having the chemical structure of Formula II, wherein X and X6 each comprise a benzoate group, s and v are 2, and X1 and X5 each comprise a divalent C1 hydrocarbon.
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