CA2024538A1 - Reduction de l'acidite de polyesters par virage de la reaction infusion - Google Patents

Reduction de l'acidite de polyesters par virage de la reaction infusion

Info

Publication number
CA2024538A1
CA2024538A1 CA2024538A CA2024538A CA2024538A1 CA 2024538 A1 CA2024538 A1 CA 2024538A1 CA 2024538 A CA2024538 A CA 2024538A CA 2024538 A CA2024538 A CA 2024538A CA 2024538 A1 CA2024538 A1 CA 2024538A1
Authority
CA
Canada
Prior art keywords
endcapping
polyesters
acidity
reduction
melt reaction
Prior art date
Legal status (The legal status 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 status listed.)
Granted
Application number
CA2024538A
Other languages
English (en)
Other versions
CA2024538C (fr
Inventor
William L. Hergenrother
John M. Doshak
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Honeywell International Inc
Original Assignee
Bridgestone Firestone Inc
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 Bridgestone Firestone Inc filed Critical Bridgestone Firestone Inc
Publication of CA2024538A1 publication Critical patent/CA2024538A1/fr
Application granted granted Critical
Publication of CA2024538C publication Critical patent/CA2024538C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/02—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds
    • C08G63/12—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/16—Dicarboxylic acids and dihydroxy compounds
    • C08G63/20—Polyesters having been prepared in the presence of compounds having one reactive group or more than two reactive groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
    • C08G63/91—Polymers modified by chemical after-treatment
    • C08G63/914—Polymers modified by chemical after-treatment derived from polycarboxylic acids and polyhydroxy compounds
    • C08G63/916—Dicarboxylic acids and dihydroxy compounds
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
    • B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
    • B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
    • B29C48/03—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the shape of the extruded material at extrusion

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CA002024538A 1989-09-05 1990-09-04 Reduction de l'acidite de polyesters par virage de la reaction infusion Expired - Fee Related CA2024538C (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
US40257889A 1989-09-05 1989-09-05
US402,578 1989-09-05

Publications (2)

Publication Number Publication Date
CA2024538A1 true CA2024538A1 (fr) 1991-03-06
CA2024538C CA2024538C (fr) 1996-12-17

Family

ID=23592497

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002024538A Expired - Fee Related CA2024538C (fr) 1989-09-05 1990-09-04 Reduction de l'acidite de polyesters par virage de la reaction infusion

Country Status (5)

Country Link
EP (1) EP0416288B1 (fr)
JP (1) JP2858476B2 (fr)
CA (1) CA2024538C (fr)
DE (1) DE69025829T2 (fr)
ES (1) ES2084626T3 (fr)

Families Citing this family (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
IT1255341B (it) * 1992-07-15 1995-10-31 Eniricerche Spa Procedimento per l'ottenimento di polietilenetereftalato ad elevato peso molecolare da polietilenetereftalato di riciclo
JP2001323056A (ja) * 2000-05-17 2001-11-20 Toray Ind Inc 脂肪族ポリエステル樹脂および成形品
US6476157B2 (en) * 2000-12-20 2002-11-05 General Electric Company Polyester ionomer composition
JP5386870B2 (ja) * 2007-07-18 2014-01-15 東レ株式会社 樹状ポリエステル、その製造方法および熱可塑性樹脂組成物
JP2015203057A (ja) * 2014-04-13 2015-11-16 三菱樹脂株式会社 ポリエステル樹脂組成物

Family Cites Families (7)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB896711A (en) * 1958-09-08 1962-05-16 Hudson Foam Plastics Corp Process for reducing the acid number of polyesters
AT265646B (de) * 1965-02-25 1968-10-25 Metallgesellschaft Ag Verfahren zur Erhöhung des Molekulargewichtes eines faser- und filmbildenden Polyesters
US3869427A (en) * 1966-03-11 1975-03-04 Du Pont Treatment of linear polyester with organic monoepoxide
CH583308A5 (fr) * 1973-09-24 1976-12-31 Inventa Ag
CH593309A5 (en) * 1974-10-14 1977-11-30 Inventa Ag Reduction of carboxyl gp. content of linear aromatic polyester - by treatment with ethylene oxide at high temps.
DE2920641A1 (de) * 1978-06-07 1979-12-20 Fiber Industries Inc Verfahren zur verringerung der carboxylendgruppenkonzentration von polyesterfasern
DE3069425D1 (en) * 1979-12-05 1984-11-15 Teijin Ltd Method for reducing the terminal carboxyl group content of a saturated polyester, a saturated polyester having a reduced terminal carboxyl group content, and a molded article composed of such a saturated polyester

Also Published As

Publication number Publication date
EP0416288A2 (fr) 1991-03-13
DE69025829D1 (de) 1996-04-18
EP0416288B1 (fr) 1996-03-13
DE69025829T2 (de) 1996-07-25
JP2858476B2 (ja) 1999-02-17
EP0416288A3 (en) 1991-11-13
ES2084626T3 (es) 1996-05-16
JPH03237129A (ja) 1991-10-23
CA2024538C (fr) 1996-12-17

Similar Documents

Publication Publication Date Title
CA2087912A1 (fr) Compositions de revetement aqueuses obtenues a partir de poly(terephtalate d'ethylene)
CA2202874A1 (fr) Macromolecule a ramification importante du type polyester
CA2064835A1 (fr) Nouvelle composition complexe emulsifiee
ZA9610542B (en) Process of making poly(ethylene terephthalate) oligomer.
EP1482000A3 (fr) Copolyester à unités répétitives d'acide succinique
AU7115687A (en) Manufacture of polyesters
EP0286444A3 (fr) Procédé de fabrication de polyester formant des cristaux liquides, à partir d'un acide cyclohexanedicarboxylique et d'un diol aromatique
EP0658575A3 (fr) Procédé de préparation de polymères ayant des groupes fonctionnels.
EP0661325A3 (fr) Procédé pour la préparation continue de copolymère de lactide.
IE801931L (en) Copolyesters
EP0627453A3 (fr) Procédépour la préparation de polymères d'acides alpha-hydroxycarboxyliques.
EP0629671A3 (fr) Composition de solvant.
EP0661613A3 (fr) Servomoteur.
CA2044215A1 (fr) Composition comportant un polymere cristallisable
EP0634434A3 (fr) Procédé pour la préparation d'une résine de polyester à fonctionalité acide.
CA2094375A1 (fr) Polyesters obtenus a partir d'acide terephtalique, d'acide naphtalene-2,6-dicarboxylique et d'hydroquinone
CA2023759A1 (fr) Reduction de l'acidite des polyesters par protection des bouts de chaines a l'aide d'enamines ou de bases de schiff
CA2024538A1 (fr) Reduction de l'acidite de polyesters par virage de la reaction infusion
CA2023758A1 (fr) Reduction de l'acidite des polyesters par protection des bouts de chaines par une reaction de fusion avec desgroupes dialkyloxyalte ou tetraalkyluree
EP0622390A3 (fr) Procédé de fabrication de polyester au cours de la polymérisation par ouverture de cycle.
EP0298214A3 (fr) Composition de polyester
AU564481B2 (en) Block copolymer and coating composition
EP0650994A3 (fr) Procédé pour la préparation de films de copolyesters aliphatiques.
EP0331876A3 (fr) Articles formés de polyamide et procédé pour leur fabrication
EP0313841A3 (fr) Composition de résines

Legal Events

Date Code Title Description
EEER Examination request
MKLA Lapsed