BE1002088A3 - PROCESS FOR THE PREPARATION OF POLYLACTONES OF POLY- [ALPHA-HYDROXY- (ACRYLIC AND / OR CROTONIC) ACIDS] - Google Patents

PROCESS FOR THE PREPARATION OF POLYLACTONES OF POLY- [ALPHA-HYDROXY- (ACRYLIC AND / OR CROTONIC) ACIDS] Download PDF

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Publication number
BE1002088A3
BE1002088A3 BE8800777A BE8800777A BE1002088A3 BE 1002088 A3 BE1002088 A3 BE 1002088A3 BE 8800777 A BE8800777 A BE 8800777A BE 8800777 A BE8800777 A BE 8800777A BE 1002088 A3 BE1002088 A3 BE 1002088A3
Authority
BE
Belgium
Prior art keywords
crotonic
alpha
hydroxy
poly
acrylic
Prior art date
Application number
BE8800777A
Other languages
French (fr)
Original Assignee
Sandoz Sa
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 GB8814303A external-priority patent/GB2219800B/en
Application filed by Sandoz Sa filed Critical Sandoz Sa
Application granted granted Critical
Publication of BE1002088A3 publication Critical patent/BE1002088A3/en

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
    • C08G63/08—Lactones or lactides
    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
    • C07C51/00—Preparation of carboxylic acids or their salts, halides or anhydrides
    • C07C51/347—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups
    • C07C51/377—Preparation of carboxylic acids or their salts, halides or anhydrides by reactions not involving formation of carboxyl groups by splitting-off hydrogen or functional groups; by hydrogenolysis of functional groups
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F20/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride, ester, amide, imide or nitrile thereof
    • C08F20/02—Monocarboxylic acids having less than ten carbon atoms, Derivatives thereof
    • C08F20/04—Acids, Metal salts or ammonium salts thereof
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Engineering & Computer Science (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Polyesters Or Polycarbonates (AREA)

Abstract

La présente invention a pour objet des polyactones d'acides poly[alpha-hydroxy-(acryliques et/ou crotoniques] préparées à partir d'acrylate et/ou de crotonate d'alkyle sans isolement des produits intermédiaires.The subject of the present invention is polyactones of poly [alpha-hydroxy- (acrylic and / or crotonic] acids prepared from alkyl acrylate and / or crotonate without isolation of the intermediate products.

BE8800777A 1984-10-18 1988-07-04 PROCESS FOR THE PREPARATION OF POLYLACTONES OF POLY- [ALPHA-HYDROXY- (ACRYLIC AND / OR CROTONIC) ACIDS] BE1002088A3 (en)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
DE3438109 1984-10-18
DE3439762 1984-10-31
DE3507025 1985-02-28
GB8814303A GB2219800B (en) 1984-10-18 1988-06-16 Process for the production of polylactones of poly[-alpha-hydroxy-(acrylic and /or crotonic )acid]

Publications (1)

Publication Number Publication Date
BE1002088A3 true BE1002088A3 (en) 1990-06-26

Family

ID=27433216

Family Applications (1)

Application Number Title Priority Date Filing Date
BE8800777A BE1002088A3 (en) 1984-10-18 1988-07-04 PROCESS FOR THE PREPARATION OF POLYLACTONES OF POLY- [ALPHA-HYDROXY- (ACRYLIC AND / OR CROTONIC) ACIDS]

Country Status (4)

Country Link
BE (1) BE1002088A3 (en)
CH (1) CH669952A5 (en)
DE (1) DE3820785C2 (en)
FR (1) FR2633628B1 (en)

Families Citing this family (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH669952A5 (en) * 1984-10-18 1989-04-28 Sandoz Ag Alpha chloro-acrylic or crotonic acid prodn. - by treating 2,3-di:chloropropionic or butyric acid with aq. base, de-hydro-chlorinating prod. and acidifying

Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2061584A1 (en) * 1970-12-15 1972-07-06 Henkel & Cie Gmbh Water insol alpha-substd-polyacrylates - obtd by basic treatment of alpha, beta-dichloro and/or dibromo propionic acids (est
FR2237914A1 (en) * 1973-07-20 1975-02-14 Solvay

Family Cites Families (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CH669952A5 (en) * 1984-10-18 1989-04-28 Sandoz Ag Alpha chloro-acrylic or crotonic acid prodn. - by treating 2,3-di:chloropropionic or butyric acid with aq. base, de-hydro-chlorinating prod. and acidifying
DE3720806C2 (en) * 1986-07-03 1997-08-21 Clariant Finance Bvi Ltd Use of a stabilizer in peroxide bleaching processes
JPS6395206A (en) * 1986-10-13 1988-04-26 Nippon Peroxide Co Ltd Production of wet polylactone with low moisture content

Patent Citations (2)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE2061584A1 (en) * 1970-12-15 1972-07-06 Henkel & Cie Gmbh Water insol alpha-substd-polyacrylates - obtd by basic treatment of alpha, beta-dichloro and/or dibromo propionic acids (est
FR2237914A1 (en) * 1973-07-20 1975-02-14 Solvay

Also Published As

Publication number Publication date
DE3820785C2 (en) 2000-09-28
FR2633628B1 (en) 1991-04-26
DE3820785A1 (en) 1989-12-21
FR2633628A1 (en) 1990-01-05
CH669952A5 (en) 1989-04-28

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RE Patent lapsed

Effective date: 20040731

RE Patent lapsed

Effective date: 20040731