UST873016I4 - Defensive publication - Google Patents

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Publication number
UST873016I4
UST873016I4 US873016DH UST873016I4 US T873016 I4 UST873016 I4 US T873016I4 US 873016D H US873016D H US 873016DH US T873016 I4 UST873016 I4 US T873016I4
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alkali metal
polycarbonate
residues
defensive publication
metal catalyst
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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G64/00Macromolecular compounds obtained by reactions forming a carbonic ester link in the main chain of the macromolecule
    • C08G64/40Post-polymerisation treatment
    • C08G64/406Purifying; Drying

Description

DEFENSIVE PUBLIQATION UNITED STATES PATENT OFFICE Published at the request of the applicant or owner in accordance with the Notice of Dec. 16, 1969, 869 0.G. 687. The abstracts of Defensive Publication applications are identified by distinctly numbered series and are arranged chronologically. The heading of each abstract indicates the number of pages of specification, including claims and sheets of drawings contained in the application as originally filed. The files of these applications are available to the public for inspection and reproduction may be purchased for 30 cents a sheet.

Defensive Publication applications have not been examined as to the merits of alleged invention. The Patent Oflice makes no assertion as to the novelty of the disclosed subject matter.

PUBLISHED APRIL 28, 1970 EXTRACTION 0F DELETERIOUS RESIDUES FROM POLYCARBONATE 0F 2,2,4,4-TETRAMETHYL- 1,3-CYCLOBUTANEDIOL Russell Gilkey, 1704 Springfield Ave. 37660, and John R. Caldwell, 404 Colonial Heights Road 37663, both of Kingsport, Tenn.

Filed Nov. 28, 1969, Ser. No. 880,974 Int. Cl. C08g 22/00 U.S. Cl. 260-775 No Drawing. 14 Pages Specification Substantially all of the alkali metal catalyst residues contained in the polycarbonates of 2,2,4,4-tetramethyl-1,3- cyclobutanediol can be removed therefrom without materially ailecting the chemical composition of the polycarbonate by treating the polycarbonate with an acidic organic compound having an ionization constant of about 2X10- to 2.5 X 10- and sufiicien't solvent power to diffuse through the polycarbonate to contact and provide the residues of said alkali metal catalyst in a form removable from the polycarbonate. Removal of these catalyst residues provides a final polycarbonate product having greatly improved thermal and hydrolytic stability and improved resistance to weathering. Color impurities are also removed by the process thereby providing, in addition, a product of improved color. The polycarbonate contacted with the organic acidic compound may be either in solid form or in solution, and the alkali metal catalyst residues dispersed or dissolved in the polymer may be extracted therefrom by the acidic organic compounds which are selective solvents for the alkali metal residues. Alternatively, the acidic organic compounds may be added to a solution of the polymer in water-immiscible solvents to convert the alkali metal catalyst residues to a watersoluble form which can be easily removed by a liquidliquid extraction with water. Thus, the organic compound contacting step provides the alkali metal catalyst residues in a form that can be removed from the polycarbonate, which form is either an acidic organic compound-alkali metal catalyst residue extraction mixture or a water-soluble reaction product of the alkali metal catalyst and the acidic organic compound. The residues of alkali metal catalysts employed may be dissolved or dispersed in the polymer in their original catalyst form, or as a derivative of the original catalyst, or as reactant or reaction products. Illustrative of suitable acidic organic compounds for use in the process are carboxylic acids containing at least one carboxyl group, acid phosphates and phosphites, sulfonic acids, disulfonylimides and the like.

UST873016I4 1969-11-28 1969-11-28 Defensive publication Pending UST873016I4 (en)

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Cited By (30)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0850971A2 (en) * 1996-12-28 1998-07-01 Eastman Chemical Company Process for deactivating polycarbonate catalyst residues
EP0857744A2 (en) * 1996-12-30 1998-08-12 Eastman Chemical Company Process for deactivating alkali metal catalyst residues in poly(2,2,4,4-tetramethyl-1,3-cyclobutylene carbonate)
US5962622A (en) * 1996-12-28 1999-10-05 Eastman Chemical Company Process for preparing the polycarbonate of 2,2,4,4-tetramethyl-1,3-cyclobutanediol
US20060228507A1 (en) * 2005-03-02 2006-10-12 Hale Wesley R Transparent polymer blends containing polyesters comprising a cyclobutanediol and articles prepared therefrom
US20060234073A1 (en) * 2005-03-02 2006-10-19 Hale Wesley R Multilayered, transparent articles containing polyesters comprising a cyclobutanediol and a process for their preparation
US20060247388A1 (en) * 2005-03-02 2006-11-02 Hale Wesley R Transparent, oxygen-scavenging compositions containing polyesters comprising a cyclobutanediol and articles prepared therefrom
US20060287495A1 (en) * 2005-06-17 2006-12-21 Crawford Emmett D Intravenous components comprising polyester compositions formed from 2,2,4,4-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol
US20070106054A1 (en) * 2005-10-28 2007-05-10 Crawford Emmett D Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and high glass transition temperature and articles made therefrom
US20070105993A1 (en) * 2005-10-28 2007-05-10 Germroth Ted C Polyester compositions which comprise cyclobutanediol and at least one phosphorus compound
US20070276065A1 (en) * 2005-10-28 2007-11-29 Eastman Chemical Company Process for the preparation of copolyesters based on 2,2,4,4-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol
US20080293882A1 (en) * 2005-10-28 2008-11-27 Eastman Chemical Company Polyester Compositions Which Comprise Cyclobutanediol and Certain Thermal Stabilizers, and/or Reaction Products Thereof
US20090130353A1 (en) * 2007-11-21 2009-05-21 Eastman Chemical Company Plastic baby bottles, other blow molded articles, and processes for their manufacture
US20090326141A1 (en) * 2008-06-27 2009-12-31 Eastman Chemical Company Blends of Polyesters and ABS Copolymers
US20100099828A1 (en) * 2008-10-21 2010-04-22 Eastman Chemical Company Clear Binary Blends of Aliphatic Polyesters and Aliphatic-Aromatic Polyesters
US7704605B2 (en) 2006-03-28 2010-04-27 Eastman Chemical Company Thermoplastic articles comprising cyclobutanediol having a decorative material embedded therein
US7737246B2 (en) 2005-12-15 2010-06-15 Eastman Chemical Company Polyester compositions which comprise cyclobutanediol, cyclohexanedimethanol, and ethylene glycol and manufacturing processes therefor
US20100159176A1 (en) * 2008-12-18 2010-06-24 Eastman Chemical Company Miscible blends of terephthalate polyesters containing 1,4-cyclohexanedimethanol and 2,2,4,4-tetramethylcyclobutane-1,3-diol
US20100184940A1 (en) * 2005-03-02 2010-07-22 Eastman Chemical Company Polyester Compositions Which Comprise Cyclobutanediol and Certain Thermal Stabilizers, and/or Reaction Products Thereof
US20100300918A1 (en) * 2006-03-28 2010-12-02 Eastman Chemical Company Bottles comprising polyester compositions which comprise cyclobutanediol
US7959836B2 (en) 2005-03-02 2011-06-14 Eastman Chemical Company Process for the preparation of transparent, shaped articles containing polyesters comprising a cyclobutanediol
US20110144266A1 (en) * 2005-06-17 2011-06-16 Eastman Chemical Company Thermoplastic Articles Comprising Cyclobutanediol Having a Decorative Material Embedded Therein
US8193302B2 (en) 2005-10-28 2012-06-05 Eastman Chemical Company Polyester compositions which comprise cyclobutanediol and certain phosphate thermal stabilizers, and/or reaction products thereof
US8394997B2 (en) 2010-12-09 2013-03-12 Eastman Chemical Company Process for the isomerization of 2,2,4,4-tetraalkylcyclobutane-1,3-diols
US8420868B2 (en) 2010-12-09 2013-04-16 Eastman Chemical Company Process for the preparation of 2,2,4,4-tetraalkylcyclobutane-1,3-diols
US8420869B2 (en) 2010-12-09 2013-04-16 Eastman Chemical Company Process for the preparation of 2,2,4,4-tetraalkylcyclobutane-1,3-diols
US8501287B2 (en) 2007-11-21 2013-08-06 Eastman Chemical Company Plastic baby bottles, other blow molded articles, and processes for their manufacture
US8895654B2 (en) 2008-12-18 2014-11-25 Eastman Chemical Company Polyester compositions which comprise spiro-glycol, cyclohexanedimethanol, and terephthalic acid
US9169388B2 (en) 2006-03-28 2015-10-27 Eastman Chemical Company Polyester compositions which comprise cyclobutanediol and certain thermal stabilizers, and/or reaction products thereof
US9598533B2 (en) 2005-11-22 2017-03-21 Eastman Chemical Company Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and moderate glass transition temperature and articles made therefrom
US9982125B2 (en) 2012-02-16 2018-05-29 Eastman Chemical Company Clear semi-crystalline articles with improved heat resistance

Cited By (88)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
EP0850971A3 (en) * 1996-12-28 1999-02-24 Eastman Chemical Company Process for deactivating polycarbonate catalyst residues
US5962622A (en) * 1996-12-28 1999-10-05 Eastman Chemical Company Process for preparing the polycarbonate of 2,2,4,4-tetramethyl-1,3-cyclobutanediol
EP0850971A2 (en) * 1996-12-28 1998-07-01 Eastman Chemical Company Process for deactivating polycarbonate catalyst residues
EP0857744A2 (en) * 1996-12-30 1998-08-12 Eastman Chemical Company Process for deactivating alkali metal catalyst residues in poly(2,2,4,4-tetramethyl-1,3-cyclobutylene carbonate)
EP0857744A3 (en) * 1996-12-30 1999-03-10 Eastman Chemical Company Process for deactivating alkali metal catalyst residues in poly(2,2,4,4-tetramethyl-1,3-cyclobutylene carbonate)
US20100184940A1 (en) * 2005-03-02 2010-07-22 Eastman Chemical Company Polyester Compositions Which Comprise Cyclobutanediol and Certain Thermal Stabilizers, and/or Reaction Products Thereof
US20060234073A1 (en) * 2005-03-02 2006-10-19 Hale Wesley R Multilayered, transparent articles containing polyesters comprising a cyclobutanediol and a process for their preparation
US20060247388A1 (en) * 2005-03-02 2006-11-02 Hale Wesley R Transparent, oxygen-scavenging compositions containing polyesters comprising a cyclobutanediol and articles prepared therefrom
US7959836B2 (en) 2005-03-02 2011-06-14 Eastman Chemical Company Process for the preparation of transparent, shaped articles containing polyesters comprising a cyclobutanediol
US7959998B2 (en) 2005-03-02 2011-06-14 Eastman Chemical Company Transparent, oxygen-scavenging compositions containing polyesters comprising a cyclobutanediol and articles prepared therefrom
US7955674B2 (en) 2005-03-02 2011-06-07 Eastman Chemical Company Transparent polymer blends containing polyesters comprising a cyclobutanediol and articles prepared therefrom
US20060228507A1 (en) * 2005-03-02 2006-10-12 Hale Wesley R Transparent polymer blends containing polyesters comprising a cyclobutanediol and articles prepared therefrom
US8119762B2 (en) 2005-06-17 2012-02-21 Eastman Chemical Company Film(s) and/or sheet(s) comprising polyester compositions which comprise cyclobutanediol and have a certain combination of inherent viscosity and moderate glass transition temperature
US9534079B2 (en) 2005-06-17 2017-01-03 Eastman Chemical Company Containers comprising polyester compositions which comprise cyclobutanediol
US9181387B2 (en) 2005-06-17 2015-11-10 Eastman Chemical Company Polyester compositions which comprise cyclobutanediol having certain cis/trans ratios
US9181388B2 (en) 2005-06-17 2015-11-10 Eastman Chemical Company Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and high glass transition temperature and articles made therefrom
US20090137723A1 (en) * 2005-06-17 2009-05-28 Eastman Chemical Company Thermoplastic Articles Comprising Cyclobutanediol Having a Decorative Material Embedded Therein
US7576171B2 (en) 2005-06-17 2009-08-18 Eastman Chemical Company Pacifiers comprising polyester compositions formed from 2,2,4,4-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol
US9175134B2 (en) 2005-06-17 2015-11-03 Eastman Chemical Company Containers comprising polyester compositions which comprise cyclobutanediol
US9169348B2 (en) 2005-06-17 2015-10-27 Eastman Chemical Company Baby bottles comprising polyester compositions which comprise cyclobutanediol
US8507638B2 (en) 2005-06-17 2013-08-13 Eastman Chemical Company Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and moderate glass transition temperature and articles made therefrom
US8415450B2 (en) 2005-06-17 2013-04-09 Eastman Chemical Company Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and high glass transition temperature and articles made therefrom
US8354491B2 (en) 2005-06-17 2013-01-15 Eastman Chemical Company Containers comprising polyester compositions which comprise cyclobutanediol
US8133967B2 (en) 2005-06-17 2012-03-13 Eastman Chemical Company Restaurant smallware comprising polyester compositions formed from 2,2,4,4-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol
US20100174033A1 (en) * 2005-06-17 2010-07-08 Eastman Chemical Company Thermoplastic articles comprising cyclobutanediol having a decorative material embedded therein
US9765181B2 (en) 2005-06-17 2017-09-19 Eastman Chemical Company Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and high glass transition temperature and articles made therefrom
US7781562B2 (en) 2005-06-17 2010-08-24 Eastman Chemical Company Polyester compositions containing cyclobutanediol having a certain combination of inherent viscosity and moderate glass transition temperature and articles made therefrom
US20100227971A1 (en) * 2005-06-17 2010-09-09 Eastman Chemical Company Polyester Compositions Containing Cyclobutanediol Having a Certain Combination of Inherent Viscosity and Moderate Glass Transition Temperature and Articles Made Therefrom
US7803441B2 (en) * 2005-06-17 2010-09-28 Eastman Chemical Company Intravenous components comprising polyester compositions formed from 2,2,4,4-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol
US7803440B2 (en) 2005-06-17 2010-09-28 Eastman Chemical Company Bottles comprising polyester compositions which comprise cyclobutanediol
US7803439B2 (en) 2005-06-17 2010-09-28 Eastman Chemical Company Blood therapy containers comprising polyester compositions formed from 2,2,4,4-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol
US7807775B2 (en) 2005-06-17 2010-10-05 Eastman Chemical Company Point of purchase displays comprising polyester compositions formed from 2,2,4,4-tetramethyl-1, 3,-cyclobutanediol and 1,4-cyclohexanedimethanol
US7807774B2 (en) 2005-06-17 2010-10-05 Eastman Chemical Company Vending machines comprising polyester compositions formed from 2,2,4,4,-tetramethyl-1,3,-cyclobutanediol and 1,4-cyclohexanedimethanol
US7812112B2 (en) 2005-06-17 2010-10-12 Eastman Chemical Company Outdoor signs comprising polyester compositions formed from 2,2,4,4-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol
US7812111B2 (en) 2005-06-17 2010-10-12 Eastman Chemical Company LCD films comprising polyester compositions formed from 2,2,4,4-tetramethy1-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol
US7834129B2 (en) 2005-06-17 2010-11-16 Eastman Chemical Company Restaurant smallware comprising polyester compositions formed from 2,2,4,4-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol
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US20060286330A1 (en) * 2005-06-17 2006-12-21 Crawford Emmett D Sterilization containers comprising polyester compositions formed from 2,2,4,4-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol
US20060287485A1 (en) * 2005-06-17 2006-12-21 Crawford Emmett D Sound barriers comprising polyester compositions formed from 2,2,4,4-tetramethyl-1,3-cyclobutanediol and 1,4-cyclohexanedimethanol
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