AT341783B - Verfahren zur herstellung von polylactonen - Google Patents
Verfahren zur herstellung von polylactonenInfo
- Publication number
- AT341783B AT341783B AT600574A AT600574A AT341783B AT 341783 B AT341783 B AT 341783B AT 600574 A AT600574 A AT 600574A AT 600574 A AT600574 A AT 600574A AT 341783 B AT341783 B AT 341783B
- Authority
- AT
- Austria
- Prior art keywords
- polylactones
- producing
- producing polylactones
- Prior art date
Links
- 238000004519 manufacturing process Methods 0.000 title 1
Classifications
-
- 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
- C08F120/00—Homopolymers 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
- C08F120/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F120/04—Acids; Metal salts or ammonium salts thereof
- C08F120/06—Acrylic acid; Methacrylic acid; Metal salts or ammonium salts thereof
-
- 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
- C08F8/00—Chemical modification by after-treatment
- C08F8/14—Esterification
- C08F8/16—Lactonisation
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)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyesters Or Polycarbonates (AREA)
- Heterocyclic Carbon Compounds Containing A Hetero Ring Having Oxygen Or Sulfur (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| LU68060A LU68060A1 (instruction) | 1973-07-20 | 1973-07-20 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| ATA600574A ATA600574A (de) | 1977-06-15 |
| AT341783B true AT341783B (de) | 1978-02-27 |
Family
ID=19727410
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| AT600574A AT341783B (de) | 1973-07-20 | 1974-07-19 | Verfahren zur herstellung von polylactonen |
Country Status (20)
| Country | Link |
|---|---|
| US (1) | US3984439A (instruction) |
| JP (1) | JPS545839B2 (instruction) |
| AT (1) | AT341783B (instruction) |
| BE (1) | BE817679A (instruction) |
| BR (1) | BR7405697D0 (instruction) |
| CA (1) | CA1022947A (instruction) |
| CH (2) | CH589108A5 (instruction) |
| DE (1) | DE2432759A1 (instruction) |
| DK (1) | DK150860C (instruction) |
| ES (1) | ES427959A1 (instruction) |
| FR (1) | FR2237914B1 (instruction) |
| GB (2) | GB1425307A (instruction) |
| IE (1) | IE39812B1 (instruction) |
| IN (1) | IN142549B (instruction) |
| IT (1) | IT1017656B (instruction) |
| LU (1) | LU68060A1 (instruction) |
| NL (1) | NL159679B (instruction) |
| NO (1) | NO142628C (instruction) |
| SE (1) | SE414181B (instruction) |
| ZA (1) | ZA744104B (instruction) |
Families Citing this family (15)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4107411A (en) * | 1973-07-18 | 1978-08-15 | Solvay & Cie. | Method of preparing salts of poly-alpha-hydroxyacrylic acid |
| LU70411A1 (instruction) * | 1974-06-25 | 1976-04-13 | ||
| US4343915A (en) * | 1981-08-12 | 1982-08-10 | Scm Corporation | Polyspirolactone polymers |
| GB2219800B (en) * | 1984-10-18 | 1991-10-09 | Sandoz Ltd | Process for the production of polylactones of poly[-alpha-hydroxy-(acrylic and /or crotonic )acid] |
| 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 |
| US4644038A (en) * | 1985-09-30 | 1987-02-17 | A. E. Staley Manufacturing Company | Unsaturated poly (alpha-hydroxy acid) copolymers |
| DE3720806C2 (de) * | 1986-07-03 | 1997-08-21 | Clariant Finance Bvi Ltd | Verwendung eines Stabilisators in Peroxydbleichverfahren |
| FR2628745B1 (fr) * | 1986-07-03 | 1992-12-31 | Sandoz Sa | Procede de preparation d'une polylactone |
| US5241026A (en) * | 1986-07-03 | 1993-08-31 | Sandoz Ltd. | Polylactones of poly-α-hydroxyacrylic acid |
| JPS6395206A (ja) * | 1986-10-13 | 1988-04-26 | Nippon Peroxide Co Ltd | 低含水率の湿潤ポリラクトンの製造方法 |
| JPS63251410A (ja) * | 1987-04-09 | 1988-10-18 | Nippon Peroxide Co Ltd | ポリ−α−ヒドロキシアクリル酸に対応するポリラクトンの製造方法 |
| US5013404A (en) * | 1989-11-15 | 1991-05-07 | The Dow Chemical Company | Process for alkaline peroxide bleaching of wood pulp using a quaternary amine as additive |
| US5145558A (en) * | 1989-11-15 | 1992-09-08 | The Dow Chemical Company | Composition for alkaline peroxide bleaching of wood pulp using a quaternary amine as additive |
| US5278256A (en) * | 1992-09-16 | 1994-01-11 | E. I. Du Pont De Nemours And Company | Rapidly degradable poly (hydroxyacid) compositions |
| JP2012529497A (ja) * | 2009-06-09 | 2012-11-22 | シーマス リミテッド | ハロゲン化脂肪族カルボン酸、そのオリゴマーおよび／またはポリマー、ならびに、表面的および内部の新生物を失活化することにおけるそれらの使用 |
Family Cites Families (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2338967A (en) * | 1941-10-29 | 1944-01-11 | Pittsburgh Plate Glass Co | Esters of alpha chloroacrylic acid |
| 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 |
| DE2346500C2 (de) * | 1973-09-15 | 1982-10-14 | Hoechst Ag, 6000 Frankfurt | Verfahren zur Herstellung von Poly-α-oxyacrylsäure |
-
1973
- 1973-07-20 LU LU68060A patent/LU68060A1/xx unknown
-
1974
- 1974-06-21 CA CA203,140A patent/CA1022947A/fr not_active Expired
- 1974-06-25 ZA ZA00744104A patent/ZA744104B/xx unknown
- 1974-06-28 IT IT24595/74A patent/IT1017656B/it active
- 1974-07-02 IN IN1470/CAL/74A patent/IN142549B/en unknown
- 1974-07-04 ES ES427959A patent/ES427959A1/es not_active Expired
- 1974-07-08 DE DE2432759A patent/DE2432759A1/de active Granted
- 1974-07-10 FR FR7424259A patent/FR2237914B1/fr not_active Expired
- 1974-07-11 BR BR5697/74A patent/BR7405697D0/pt unknown
- 1974-07-15 NL NL7409558.A patent/NL159679B/xx not_active IP Right Cessation
- 1974-07-15 BE BE146580A patent/BE817679A/xx not_active IP Right Cessation
- 1974-07-18 SE SE7409391A patent/SE414181B/xx not_active IP Right Cessation
- 1974-07-18 US US05/489,720 patent/US3984439A/en not_active Expired - Lifetime
- 1974-07-18 CH CH990374A patent/CH589108A5/xx not_active IP Right Cessation
- 1974-07-19 NO NO742645A patent/NO142628C/no unknown
- 1974-07-19 AT AT600574A patent/AT341783B/de active
- 1974-07-19 JP JP8233474A patent/JPS545839B2/ja not_active Expired
- 1974-07-19 GB GB3208174A patent/GB1425307A/en not_active Expired
- 1974-07-19 DK DK390274A patent/DK150860C/da not_active IP Right Cessation
- 1974-07-19 IE IE1539/74A patent/IE39812B1/xx unknown
-
1975
- 1975-03-20 CH CH357675A patent/CH603699A5/xx not_active IP Right Cessation
- 1975-04-29 GB GB1776275A patent/GB1450758A/en not_active Expired
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