DE69025829T2 - Verminderung der Azidität von Polyestern durch Verkappung der Endgruppen durch Reaktion in der Schmelze - Google Patents

Verminderung der Azidität von Polyestern durch Verkappung der Endgruppen durch Reaktion in der Schmelze

Info

Publication number
DE69025829T2
DE69025829T2 DE69025829T DE69025829T DE69025829T2 DE 69025829 T2 DE69025829 T2 DE 69025829T2 DE 69025829 T DE69025829 T DE 69025829T DE 69025829 T DE69025829 T DE 69025829T DE 69025829 T2 DE69025829 T2 DE 69025829T2
Authority
DE
Germany
Prior art keywords
acidity
capping
polyesters
melt
reduction
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.)
Expired - Fee Related
Application number
DE69025829T
Other languages
English (en)
Other versions
DE69025829D1 (de
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
Application granted granted Critical
Publication of DE69025829D1 publication Critical patent/DE69025829D1/de
Publication of DE69025829T2 publication Critical patent/DE69025829T2/de
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
DE69025829T 1989-09-05 1990-08-02 Verminderung der Azidität von Polyestern durch Verkappung der Endgruppen durch Reaktion in der Schmelze Expired - Fee Related DE69025829T2 (de)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US40257889A 1989-09-05 1989-09-05

Publications (2)

Publication Number Publication Date
DE69025829D1 DE69025829D1 (de) 1996-04-18
DE69025829T2 true DE69025829T2 (de) 1996-07-25

Family

ID=23592497

Family Applications (1)

Application Number Title Priority Date Filing Date
DE69025829T Expired - Fee Related DE69025829T2 (de) 1989-09-05 1990-08-02 Verminderung der Azidität von Polyestern durch Verkappung der Endgruppen durch Reaktion in der Schmelze

Country Status (5)

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

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 (de) * 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
CA2024538C (en) 1996-12-17
JP2858476B2 (ja) 1999-02-17
CA2024538A1 (en) 1991-03-06
ES2084626T3 (es) 1996-05-16
EP0416288A3 (en) 1991-11-13
EP0416288B1 (de) 1996-03-13
EP0416288A2 (de) 1991-03-13
DE69025829D1 (de) 1996-04-18
JPH03237129A (ja) 1991-10-23

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Legal Events

Date Code Title Description
8364 No opposition during term of opposition
8327 Change in the person/name/address of the patent owner

Owner name: ALLIEDSIGNAL INC. (N.D.GES.D. STAATES DELAWARE), M

8339 Ceased/non-payment of the annual fee