Pet Container And Compositions Having Enhanced Mechanical Properties And Gas Barrier Properties
AssigneeThe Coca-Cola Company
InventorsRobert Kriegel, Xiaoyan Huang, Robert Schiavone, T. Edwin Freeman, Mihaela Penescu
Life of this patent
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Abstract
A container comprising a polyester composition with enhanced mechanical properties is provided. The polyester composition comprises a polyester and a creep control agent. In particular embodiments, the polyester composition comprises a polyester, a creep control agent, and a gas barrier additive. In particular embodiments, the creep control agents are molecules or polymers comprising dianhydrides, bis-lactams, bis-oxazoles, and epoxides.
Claims22
A container comprising a polyester composition comprising a polyester and a creep control agent;
- wherein the creep control agent comprises a compound having the chemical structure of Formula I:
- wherein R1, R2, R3, and R4, independent of one another, may comprise a heteroatom, 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;
- wherein the creep control agent is present in the polyester composition n an amount from about 200 to about 2000 ppm;
- and
- wherein the container is substantially free of haze and color.
A container comprising a polyester composition comprising a polyester and a creep control agent;
- wherein the creep control agent comprises a compound having the chemical structure of Formula II:
- wherein A, A′, A″, E, D, G, G″, L, and J, 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, vi, vii, viii, ix, and x, independent of one another, may comprise a single or double bond;
- wherein when i is a double bond, ii and v 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, i and iv are single bonds;
- wherein when vi is a double bond, vii and x are single bonds;
- wherein when vii is a double bond, vi and viii are single bonds;
- wherein when viii is a double bond, vii and ix are single bonds;
- wherein when ix is a double bond, viii and x are single bonds;
- wherein when x is a double bond, vi and ix are single bonds;
- wherein b, c, d, e, f, g, h, i, j, and k, independent of one another may be 0 or 1;
- wherein a may be 0 or 1;
- wherein R5 may be a heteroatom or a C1-C10 divalent hydrocarbon that may be unsubstituted or substituted with one or more functional moieties, one or more heteroatoms, or one or more C1-C10 hydrocarbyls that may be unsubstituted or substituted with one or more functional moieties;
- wherein the creep control agent is present in the polyester composition in an amount from about 200 to about 2000 ppm;
- and
- wherein the container is substantially free of haze and color.
A container comprising a polyester composition comprising a polyester and a creep control agent;
- wherein the creep control agent comprises a compound having the chemical structure of Formula
- wherein R6 and R7, independent of one another, may comprise a C1-C5 divalent hydrocarbon that may be unsubstituted or substituted with one or more functional moieties, one or more heteroatoms, or one or more C1-C10 hydrocarbyls that may be unsubstituted or substituted with one or more functional moieties;
- wherein the creep control agent is present in the polyester composition in an amount from about 200 to about 2000 ppm;
- and
- wherein the container is substantially free of haze and color.
A container comprising a polyester composition comprising a polyester and a creep control agent;
- wherein the creep control agent comprises a compound having the chemical structure of Formula IV:
- 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;
- and
- wherein q, r, and s may be from 0 to 10,000;
- wherein the creep control agent is present in the polyester composition in an amount from about 200 to about 2000 ppm;
- and
- wherein the container is substantially free of haze and color.
A container comprising a polyester composition comprising a polyester and a creep control agent;
- wherein the creep control agent comprises a compound having the chemical structure of Formula V:
- wherein R may comprise a heteroatom or a C1-C10 hydrocarbyl which may be unsubstituted or substituted with one or more functional moieties;
- and
- wherein m″, n″, and o″, independent of one another, may be from 0 to 1,000;
- wherein the creep control agent is present in the polyester composition in an amount from about 200 to about 2000 ppm;
- and
- wherein the container is substantially free of haze and color.
A container comprising a polyester composition comprising a polyester and a creep control agent;
- wherein the creep control agent comprises a compound having the chemical structure of Formula VI:
- wherein R11, R12, R13, and R14, 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;
- and
- wherein i, ii, iii, iv, v, vi, vii, viii, ix, x, and xi, independent of one another, are a single bond or double bond;
- wherein when i is a double bond, ii and vi are single bonds;
- wherein when ii is a double bond, i, iii, and vii are single bonds;
- wherein when iii is a double bond, ii, iv, vii, and xi are single bonds;
- wherein when iv is a double bond, iii, v, and xi are single bonds;
- wherein when v is a double bond, vi and iv are single bonds;
- wherein when vi is a double bond, i and v are single bonds;
- wherein when vii is a double bond, ii, iii, and viii are single bonds;
- wherein when viii is a double bond, vi and ix are single bonds;
- wherein when ix is a double bond, viii and x are single bonds;
- wherein when x is a double bond, ix and xi are single bonds;
- wherein when xi is a double bond, iv, x, and iii are single bonds;
- wherein the creep control agent is present in the polyester composition in an amount from about 200 to about 2000 ppm;
- and
- wherein the container is substantially free of haze and color.
A container comprising a polyester composition comprising a polyester and a creep control agent;
- wherein the creep control agent comprises a compound having the chemical structure of Formula VII:
- wherein R15, R16, R17, R18, R19, R20, R21, and R22, 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;
- and
- wherein i, ii, iii, iv, v, vi, vii, viii, ix, x, xi, xii, xiii, xiv, xv, xvi, xvii, xviii, xix, xx, xxi, xxii, independent of one another, are a double bond or single bond;
- wherein when i is a double bond, ii and vi are single bonds;
- wherein when ii is a double bond, i, iii, and vii are single bonds;
- wherein when iii is a double bond, ii, iv, vii, and xi are single bonds;
- wherein when iv is a double bond, iii, v, xi, and xii are single bonds;
- wherein when v is a double bond, vi, iv, and xii are single bonds;
- wherein when vi is a double bond, i and v are single bonds;
- wherein when vii is a double bond, ii, iii and viii are single bonds;
- wherein when viii is a double bond, vii and ix are single bonds;
- wherein when ix is a double bond, viii and x are single bonds;
- wherein when x is a double bond, ix, xi, and xiii are single bonds;
- wherein when xi is a double bond, iii, iv, xiii and x are single bonds;
- wherein when xii is a double bond, v, iv, xvi, and xiv are single bonds;
- wherein when xiv is a double bond, xii, xvi, xv, and xix are single bonds;
- wherein when xv is a double bond, xiii, xvii, xiv, and xix are single bonds;
- when xiii is a double bond, xi, x, xv, and xvii are single bonds;
- when xvi is a double bond, xii, xiv, and xviii are single bonds;
- wherein when xviii is a double bond, xvi and xxi are single bonds;
- wherein when xxi is a double bond, xviii and xxii are single bonds;
- wherein when xxii is a double bond, xxi, xix, and xxiii are single bonds;
- wherein when xix is a double bond, xiv, xv, xxii, and xxiii are single bonds;
- wherein when xxiii is a double bond, xix, xxii, and xxiv are single bonds;
- wherein when xxiv is a double bond, xxiii and xx are single bonds;
- wherein when xx is a double bond, xvii and xxiv are single bonds;
- and wherein when xvii is a double bond, xv, xiii and xx are single bonds;
- wherein the creep control agent is present in the polyester composition in an amount from about 200 to about 2000 ppm;
- and
- wherein the container is substantially free of haze and color.
Dependencies are inferred from the claim text.