Amber polyester composition and container product produced therefrom

Patent name amber polyester composition and container product made therefrom Patent applicant Eastman Chemical Corporation Principal Applicant United States Tennessee inventor M.A. Weaver; M.A. Strand; C. L. Kendrick; G. F. Rhodes; G. Williams; J. C. Pearson; T. A. Earpshaw (patent) No. 200380100303.0 Application Date 2003.10.22 Certification Date Approval Notice No. 1692139 Auditing announcement date 2005.11.02 Manual CD-ROM D0544 Main classification number C08L67/02 C08L67/02; C08K5/00; C08G63/00 division Original application number Priority item 2002.10.31 US 10/284,592 Abstract This application discloses one An amber polyester composition suitable for packaging foods and beverages. The amber polyester composition provides excellent shielding of ultraviolet and visible light in the wavelength range of about 320-500 nm, making it particularly suitable for packaging materials sensitive to this range of ultraviolet and visible light, especially beer. Slaves 1. An amber polyester composition comprising a thermoplastic molding grade polyester containing at least one compound of each of components I, II, and III and optionally IV, or at least A reactive residue of a compound wherein components I, II, and III have the general formula: underscore component I compound: /underscore; underscore component II compound: /underscore; underscore component III compound: /underscore and group The Part IV compound is one or more phthalocyanine compounds; wherein R is hydrogen, C1-C8-alkyl, or -(CH2CH2-O)-n1-CH2CH2-X, wherein n1 is 1-3, and X is a polyester The reactive group is selected from the group consisting of hydroxy, carboxy, C2-C6-alkanoyloxy, and C2-C6-alkoxycarbonyl; R1 is hydrogen or 1-2 is selected from C1-C6-alkyl, C1-C6-alkyl Oxygen or halogen radicals; R2 and R3 are each C1-C8-alkyl, C3-C8-alkenyl, C3-C8-alkynyl, C3-C8-cycloalkyl or aryl; R2 and R3 It may represent a divalent group such as pentamethylene, ethyleneoxyethylene or ethylenesulfonylethylene; or R2 together with R1 may form an N-substituted 1,2,3 4-tetrahydroquinolin-6-yl ring R4 is C1-C8-alkyl; R5 and R6 are each hydrogen or 1-2 groups selected from C1-C6-alkyl, C1-C6-alkoxy and halogen; R7 is hydrogen, -(CH2CH2O )-n1-CH2CH2-X, wherein n1 and X are as defined above, and C1-C6-alkyl; R8 is hydrogen or 1 or 2 selected from C1-C6-alkyl, C1-C6-alkoxy and halogen Radicals; R9 and R10 are each hydrogen, C1-C6-alkyl, C3-C8-cycloalkyl or aryl; P is cyano, C1-C6-alkylsulfonyl, arylsulfonyl, aryl, Heteroaryl, -CO2R11, and -CO2N(R12)R13 where R11 is C1-C6-alkyl, C3-C8-alkenyl, C3-C8-cycloalkyl, and aryl; R12 and R13 are each independently selected From hydrogen, C1-C6-alkyl, C3-C8-cycloalkyl, C3-C8-alkenyl, and aryl; Q is one of the groups in the previous specification for P; L is organic 2-, 3- Or a tetravalent linker; L1 is an organic divalent linker; L2 is an organic divalent linker; n is an integer of 1 to 4; m is an integer of 2 to about 50; and m1 is 0, 1 or 2. International Application 2003-10-22 PCT/US2003/033490 International Publication 2004-05-21 WO2004/041935 English Entering Country Date Patent Agency China Patent Agent (Hong Kong) Limited Company Address Agent Gu Jinwei Tan Mingsheng