CA962796A - Process for preparation of polyesters - Google Patents

Process for preparation of polyesters

Info

Publication number
CA962796A
CA962796A CA108,274A CA108274A CA962796A CA 962796 A CA962796 A CA 962796A CA 108274 A CA108274 A CA 108274A CA 962796 A CA962796 A CA 962796A
Authority
CA
Canada
Prior art keywords
polyesters
preparation
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
Application number
CA108,274A
Other languages
English (en)
Other versions
CA108274S (en
Inventor
Takeo Shima
Takanori Urasaki
Isao Oka
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.)
Teijin Ltd
Original Assignee
Teijin Ltd
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 Teijin Ltd filed Critical Teijin Ltd
Application granted granted Critical
Publication of CA962796A publication Critical patent/CA962796A/en
Expired 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
    • C08G63/06—Polyesters derived from hydroxycarboxylic acids or from polycarboxylic acids and polyhydroxy compounds derived from hydroxycarboxylic acids
    • 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
    • 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
    • C08G63/78—Preparation processes

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
CA108,274A 1970-03-19 1971-03-19 Process for preparation of polyesters Expired CA962796A (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
JP45023285A JPS495630B1 (es) 1970-03-19 1970-03-19

Publications (1)

Publication Number Publication Date
CA962796A true CA962796A (en) 1975-02-11

Family

ID=12106317

Family Applications (1)

Application Number Title Priority Date Filing Date
CA108,274A Expired CA962796A (en) 1970-03-19 1971-03-19 Process for preparation of polyesters

Country Status (8)

Country Link
US (1) US3714125A (es)
JP (1) JPS495630B1 (es)
BE (1) BE764549A (es)
CA (1) CA962796A (es)
DE (1) DE2113442B2 (es)
FR (1) FR2083426B1 (es)
GB (1) GB1327711A (es)
NL (1) NL144305B (es)

Families Citing this family (15)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3984379A (en) * 1971-12-06 1976-10-05 Teijin Limited Process for preparation of polyesters
CA988645A (en) * 1971-12-06 1976-05-04 Teigin Limited Process for preparation of polyesters
US3962190A (en) * 1974-03-07 1976-06-08 Minnesota Mining And Manufacturing Company Chain couplers for polyesterification and novel polyesters
US4017463A (en) * 1974-04-29 1977-04-12 The Goodyear Tire & Rubber Company High melting N,N-terephthaloyl bis-phthalimide and its use as an ester interlinking agent for polyesters
US4216298A (en) * 1976-11-12 1980-08-05 Bayer Aktiengesellschaft Process for the preparation of carbonic acid bis-diphenol esters of polyester-diols and their use for the preparation of high-molecular segmented polyester/polycarbonates which can be processed as thermoplastics
DE2651639A1 (de) * 1976-11-12 1978-05-24 Bayer Ag Verfahren zur herstellung von kohlensaeureestern von polyesterpolyolen
US4297455A (en) * 1977-03-22 1981-10-27 Bayer Aktiengesellschaft Process for the preparation of carbonic acid aryl esters of polyester-diols lengthened via carbonate groups and their use for the preparation of polyester-diol bis-diphenol carbonates and polyester/polycarbonates
DE2712435A1 (de) * 1977-03-22 1978-09-28 Bayer Ag Verfahren zur herstellung von kohlensaeurearylestern von ueber carbonat- gruppen-verlaengerten polyesterdiolen
DE2726416A1 (de) * 1977-06-11 1978-12-21 Bayer Ag Verfahren zur herstellung von kohlensaeure-bis-diphenol-estern von ueber carbonat-gruppen-verlaengerten polyalkylenoxiddiolen und ihre verwendung zur herstellung von hochmolekularen, segmentierten, thermoplastisch verarbeitbaren polyaether-polycarbonaten
EP0004020B1 (de) * 1978-03-10 1981-07-15 Bayer Ag Polycarbonat-Formmassen mit verbesserten zähelastischen Eigenschaften
US4291152A (en) * 1979-03-27 1981-09-22 Teijin Limited Process for producing aromatic polyesters having increased degrees of polymerization
US4289871A (en) * 1980-03-27 1981-09-15 Allied Chemical Corporation Method to increase reactor capacity for polycondensation of polyesters
US4438253A (en) * 1982-11-12 1984-03-20 American Cyanamid Company Poly(glycolic acid)/poly(alkylene glycol) block copolymers and method of manufacturing the same
US7332548B2 (en) * 2004-03-04 2008-02-19 Eastman Chemical Company Process for production of a polyester product from alkylene oxide and carboxylic acid
AT521534A2 (de) 2018-07-03 2020-02-15 Next Generation Recyclingmaschinen Gmbh Verfahren zur Herstellung einer Polykondensatschmelze aus einem Primärmaterial und einem Sekundärmaterial

Also Published As

Publication number Publication date
FR2083426B1 (es) 1974-02-15
US3714125A (en) 1973-01-30
NL7103731A (es) 1971-09-21
GB1327711A (en) 1973-08-22
BE764549A (fr) 1971-08-16
FR2083426A1 (es) 1971-12-17
JPS495630B1 (es) 1974-02-08
DE2113442A1 (de) 1971-11-04
NL144305B (nl) 1974-12-16
DE2113442B2 (de) 1976-08-12

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