CA2132843C - Procede pour la production d'esters cycliques d'acides a groupes hydroxy, et leurs derives - Google Patents

Procede pour la production d'esters cycliques d'acides a groupes hydroxy, et leurs derives Download PDF

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Publication number
CA2132843C
CA2132843C CA002132843A CA2132843A CA2132843C CA 2132843 C CA2132843 C CA 2132843C CA 002132843 A CA002132843 A CA 002132843A CA 2132843 A CA2132843 A CA 2132843A CA 2132843 C CA2132843 C CA 2132843C
Authority
CA
Canada
Prior art keywords
acid
feedstream
hydroxy
lactide
cyclic ester
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
CA002132843A
Other languages
English (en)
Other versions
CA2132843A1 (fr
Inventor
Herman P. Benecke
Alex Cheung
George E. Cremeans
Melville E. D. Hillman
Edward S. Lipinsky
Richard A. Markle
Richard G. Sinclair
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.)
Biopak Technology Ltd
Original Assignee
Biopak Technology 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
Priority claimed from US07/854,559 external-priority patent/US5319107A/en
Application filed by Biopak Technology Ltd filed Critical Biopak Technology Ltd
Publication of CA2132843A1 publication Critical patent/CA2132843A1/fr
Application granted granted Critical
Publication of CA2132843C publication Critical patent/CA2132843C/fr
Anticipated expiration legal-status Critical
Expired - Fee Related legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D167/00—Coating compositions based on polyesters obtained by reactions forming a carboxylic ester link in the main chain; Coating compositions based on derivatives of such polymers
    • C09D167/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D319/00—Heterocyclic compounds containing six-membered rings having two oxygen atoms as the only ring hetero atoms
    • C07D319/10—1,4-Dioxanes; Hydrogenated 1,4-dioxanes
    • C07D319/12—1,4-Dioxanes; Hydrogenated 1,4-dioxanes not condensed with other rings
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J5/00—Manufacture of articles or shaped materials containing macromolecular substances
    • C08J5/18—Manufacture of films or sheets
    • 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
    • C08L67/04—Polyesters derived from hydroxycarboxylic acids, e.g. lactones
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
    • B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
    • B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
    • B01J2219/19—Details relating to the geometry of the reactor
    • B01J2219/194—Details relating to the geometry of the reactor round
    • B01J2219/1941—Details relating to the geometry of the reactor round circular or disk-shaped
    • B01J2219/1942—Details relating to the geometry of the reactor round circular or disk-shaped spherical
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08J—WORKING-UP; GENERAL PROCESSES OF COMPOUNDING; AFTER-TREATMENT NOT COVERED BY SUBCLASSES C08B, C08C, C08F, C08G or C08H
    • C08J2367/00—Characterised by the use of polyesters obtained by reactions forming a carboxylic ester link in the main chain; Derivatives of such polymers
    • C08J2367/04—Polyesters derived from hydroxy carboxylic acids, e.g. lactones

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Manufacturing & Machinery (AREA)
  • Materials Engineering (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Wood Science & Technology (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
CA002132843A 1992-03-19 1993-03-17 Procede pour la production d'esters cycliques d'acides a groupes hydroxy, et leurs derives Expired - Fee Related CA2132843C (fr)

Applications Claiming Priority (3)

Application Number Priority Date Filing Date Title
US07/854,559 1992-03-19
US07/854,559 US5319107A (en) 1990-09-18 1992-03-19 Method to produce cyclic esters
PCT/US1993/002483 WO1993019058A2 (fr) 1992-03-19 1993-03-17 Procede de production d'esters cycliques a partir d'acides hydroxyliques et de leurs derives

Publications (2)

Publication Number Publication Date
CA2132843A1 CA2132843A1 (fr) 1993-09-30
CA2132843C true CA2132843C (fr) 2006-08-01

Family

ID=36764208

Family Applications (1)

Application Number Title Priority Date Filing Date
CA002132843A Expired - Fee Related CA2132843C (fr) 1992-03-19 1993-03-17 Procede pour la production d'esters cycliques d'acides a groupes hydroxy, et leurs derives

Country Status (1)

Country Link
CA (1) CA2132843C (fr)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN114518418B (zh) * 2022-01-17 2024-03-22 内蒙古久泰新材料有限公司 一种环状交酯中有机羧酸含量的定量检测方法

Also Published As

Publication number Publication date
CA2132843A1 (fr) 1993-09-30

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