BR9808301A - Polyester compositions having improved taste retention properties, and, process for forming a mixture - Google Patents

Polyester compositions having improved taste retention properties, and, process for forming a mixture

Info

Publication number
BR9808301A
BR9808301A BR9808301-5A BR9808301A BR9808301A BR 9808301 A BR9808301 A BR 9808301A BR 9808301 A BR9808301 A BR 9808301A BR 9808301 A BR9808301 A BR 9808301A
Authority
BR
Brazil
Prior art keywords
retention properties
percent
mixture
forming
improved taste
Prior art date
Application number
BR9808301-5A
Other languages
Portuguese (pt)
Inventor
Timothy Edward Long
Steven Lee Stafford
Emily Tedrow Bell
Original Assignee
Eastman Chem Co
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Eastman Chem Co filed Critical Eastman Chem Co
Publication of BR9808301A publication Critical patent/BR9808301A/en

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L67/00—Compositions of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Compositions of derivatives of such polymers
    • C08L67/02—Polyesters derived from dicarboxylic acids and dihydroxy compounds

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Processes Of Treating Macromolecular Substances (AREA)

Abstract

"COMPOSIçõES POLIéSTER TENDO PROPRIEDADES MELHORADAS DE RETENçãO DE SABOR, E, PROCESSO PARA FORMAçãOF DE UMA MISTURA". A presente invenção compreende composições de mistura poliéster tendo propriedades melhoradas de retenção de sabor e cor, compreendendo (A) 98,0 a 99,95 porcento em peso de um poliéster que contém (1) um componente ácido dicarboxílico compreendendo unidades repetidas com pelo menos 50 porcento molar de ácido naftalenodicarboxílico; e (2) um componente diol compreendendo unidades repetidas com pelo menos 50 % molar de etileno glicol, com base em 100 porcento molar de ácido dicarboxílico e 100 porcento molar de diol; e (B) 2,0 a 0,05 porcento em peso molar de uma poliamida, em que os pesos combinados de (A) e (B) totalizam 100 porcento."POLYESTER COMPOSITIONS HAVING IMPROVED FLAVOR RETENTION PROPERTIES AND PROCESS FOR FORMING A MIXTURE". The present invention comprises polyester blend compositions having improved taste and color retention properties, comprising (A) 98.0 to 99.95 weight percent of a polyester containing (1) a dicarboxylic acid component comprising repeated units with at least 50 mol% of naphthalenedicarboxylic acid; and (2) a diol component comprising repeated units with at least 50 mole% ethylene glycol, based on 100 mole percent dicarboxylic acid and 100 mole percent diol; and (B) 2.0 to 0.05 percent by weight of a polyamide, where the combined weights of (A) and (B) total 100 percent.

BR9808301-5A 1997-03-05 1998-03-05 Polyester compositions having improved taste retention properties, and, process for forming a mixture BR9808301A (en)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US3600897P 1997-03-05 1997-03-05
US3398998A 1998-03-03 1998-03-03
PCT/US1998/004311 WO1998039388A1 (en) 1997-03-05 1998-03-05 Naphthalenedicarboxylate containing polyester/polyamide blend having improved flavor retaining property

Publications (1)

Publication Number Publication Date
BR9808301A true BR9808301A (en) 2000-05-16

Family

ID=26710414

Family Applications (1)

Application Number Title Priority Date Filing Date
BR9808301-5A BR9808301A (en) 1997-03-05 1998-03-05 Polyester compositions having improved taste retention properties, and, process for forming a mixture

Country Status (4)

Country Link
EP (1) EP0964893A1 (en)
JP (1) JP2001514681A (en)
BR (1) BR9808301A (en)
WO (1) WO1998039388A1 (en)

Families Citing this family (11)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US6239233B1 (en) 1998-10-09 2001-05-29 Eastman Chemical Company Polyester/polyamide blends with improved color
US6191209B1 (en) * 1999-06-30 2001-02-20 Ciba Specialty Chemicals Corporation Polyester compositions of low residual aldehyde content
BR0012815A (en) 1999-07-30 2002-05-07 Eastman Chem Co Mixture of polymer, article, and method to reduce permeability to polyester gas
WO2001023475A1 (en) 1999-09-27 2001-04-05 Ciba Specialty Chemicals Holding Inc. Polyester compositions of low residual aldehyde content
IT1318600B1 (en) 2000-06-28 2003-08-27 Sinco Ricerche Spa PREPARATION OF POLYESTER RESINS USING DIPOLYLENAMIDE MASTERBATCH.
EP1355986B1 (en) 2000-12-29 2007-01-24 Ciba SC Holding AG Polyester compositions of low residual aldehyde content
US6908650B2 (en) 2001-03-02 2005-06-21 Ciba Specialty Chemicals Corporation Polyester and polyamide compositions of low residual aldehyde content
CA2454399C (en) 2001-08-13 2010-01-26 Ciba Specialty Chemicals Holding Inc. Polyester compositions of low residual aldehyde content
US7041350B1 (en) 2002-08-30 2006-05-09 The Coca-Cola Company Polyester composition and articles with reduced acetaldehyde content and method using hydrogenation catalyst
PT1590398E (en) * 2003-01-31 2007-04-30 M & G Polimeri Italia Spa Article comprising light absorbent composition to mask visual haze and related methods
JP2008544036A (en) * 2005-06-17 2008-12-04 イーストマン ケミカル カンパニー Method for producing transparent molded article containing polyester containing cyclobutanediol

Family Cites Families (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5258233A (en) * 1992-04-02 1993-11-02 Eastman Kodak Company Polyester/polyamide blend having improved flavor retaining property and clarity
US5650469A (en) * 1995-10-25 1997-07-22 Eastman Chemical Company Polyester/polyamide blend having improved flavor retaining property and clarity

Also Published As

Publication number Publication date
WO1998039388A1 (en) 1998-09-11
EP0964893A1 (en) 1999-12-22
JP2001514681A (en) 2001-09-11

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Legal Events

Date Code Title Description
B11A Dismissal acc. art.33 of ipl - examination not requested within 36 months of filing
B11Y Definitive dismissal - extension of time limit for request of examination expired [chapter 11.1.1 patent gazette]