FI931184A - Laktidin valmistus höyryolomuodossa suoraan vesipitoisesta maitohapposyötteestä - Google Patents

Laktidin valmistus höyryolomuodossa suoraan vesipitoisesta maitohapposyötteestä Download PDF

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Publication number
FI931184A
FI931184A FI931184A FI931184A FI931184A FI 931184 A FI931184 A FI 931184A FI 931184 A FI931184 A FI 931184A FI 931184 A FI931184 A FI 931184A FI 931184 A FI931184 A FI 931184A
Authority
FI
Finland
Prior art keywords
lactic acid
lactide
aqueous lactic
unreacted
vapor phase
Prior art date
Application number
FI931184A
Other languages
English (en)
Swedish (sv)
Other versions
FI95696C (fi
FI95696B (fi
FI931184A0 (fi
Inventor
Herman P Benecke
Richard A Markle
Richard G Sinclair
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
Application filed by Biopak Technology Ltd filed Critical Biopak Technology Ltd
Publication of FI931184A publication Critical patent/FI931184A/fi
Publication of FI931184A0 publication Critical patent/FI931184A0/fi
Application granted granted Critical
Publication of FI95696B publication Critical patent/FI95696B/fi
Publication of FI95696C publication Critical patent/FI95696C/fi

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Classifications

    • 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
    • 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

Landscapes

  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
  • Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
  • Catalysts (AREA)
  • Polyesters Or Polycarbonates (AREA)
  • Heterocyclic Compounds That Contain Two Or More Ring Oxygen Atoms (AREA)
FI931184A 1990-09-18 1993-03-17 Laktidin valmistus höyryolomuodossa suoraan vesipitoisesta maitohapposyötteestä FI95696C (fi)

Applications Claiming Priority (4)

Application Number Priority Date Filing Date Title
US07/584,466 US5332839A (en) 1990-09-18 1990-09-18 Catalytic production of lactide directly from lactic acid
US58446690 1990-09-18
US9106775 1991-09-18
PCT/US1991/006775 WO1992005168A1 (en) 1990-09-18 1991-09-18 Catalytic production of lactide directly from lactic acid

Publications (4)

Publication Number Publication Date
FI931184A true FI931184A (fi) 1993-03-17
FI931184A0 FI931184A0 (fi) 1993-03-17
FI95696B FI95696B (fi) 1995-11-30
FI95696C FI95696C (fi) 1996-03-11

Family

ID=24337436

Family Applications (1)

Application Number Title Priority Date Filing Date
FI931184A FI95696C (fi) 1990-09-18 1993-03-17 Laktidin valmistus höyryolomuodossa suoraan vesipitoisesta maitohapposyötteestä

Country Status (22)

Country Link
US (1) US5332839A (fi)
EP (1) EP0549698B1 (fi)
JP (1) JP3236289B2 (fi)
KR (1) KR0171431B1 (fi)
CN (1) CN1061223A (fi)
AT (1) ATE113944T1 (fi)
AU (1) AU652963B2 (fi)
BR (1) BR9106854A (fi)
CA (1) CA2091689A1 (fi)
DE (1) DE69105144T2 (fi)
DK (1) DK0549698T3 (fi)
ES (1) ES2063527T3 (fi)
FI (1) FI95696C (fi)
HK (1) HK175695A (fi)
IE (1) IE63141B1 (fi)
IL (1) IL99520A0 (fi)
MX (1) MX9101130A (fi)
MY (1) MY106760A (fi)
NZ (1) NZ239825A (fi)
PT (1) PT98999A (fi)
WO (1) WO1992005168A1 (fi)
ZA (1) ZA917452B (fi)

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5319107A (en) * 1990-09-18 1994-06-07 Biopak Technology, Ltd. Method to produce cyclic esters
US5767222A (en) * 1988-08-08 1998-06-16 Chronopol, Inc. Degradable polydioxaneone-based materials
US5274127A (en) * 1990-09-18 1993-12-28 Biopak Technology, Ltd. Lactide production from dehydration of aqueous lactic acid feed
US5326887A (en) * 1991-02-27 1994-07-05 E. I. Du Pont De Nemours And Company Process for the preparation of 1,4-dioxane-2,5-diones
US6005067A (en) * 1992-01-24 1999-12-21 Cargill Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
US6326458B1 (en) 1992-01-24 2001-12-04 Cargill, Inc. Continuous process for the manufacture of lactide and lactide polymers
US5142023A (en) * 1992-01-24 1992-08-25 Cargill, Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
US5258488A (en) * 1992-01-24 1993-11-02 Cargill, Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
US5247059A (en) * 1992-01-24 1993-09-21 Cargill, Incorporated Continuous process for the manufacture of a purified lactide from esters of lactic acid
US5247058A (en) * 1992-01-24 1993-09-21 Cargill, Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
ES2123668T3 (es) * 1992-10-02 1999-01-16 Cargill Inc Papel que tiene un recubrimiento de polimero de lactida estable en estado fundido y procedimiento para su fabricacion.
US5338822A (en) * 1992-10-02 1994-08-16 Cargill, Incorporated Melt-stable lactide polymer composition and process for manufacture thereof
DE69330046T2 (de) 1992-10-02 2001-11-15 Cargill Inc Schmelzstabiles lactidpolymergewebe und verfahren zu seiner herstellung
US6005068A (en) 1992-10-02 1999-12-21 Cargill Incorporated Melt-stable amorphous lactide polymer film and process for manufacture thereof
FR2726559B1 (fr) * 1994-11-04 1997-01-31 Flamel Tech Sa Procede de production d'esters cycliques d'acides alpha-hydroxycarboxyliques
US5801255A (en) * 1996-08-01 1998-09-01 Shimadzu Corporation Method for producing lactide and apparatus used therefor
US6313319B1 (en) 1998-09-25 2001-11-06 Shimadzu Corporation Method for purifying lactide and lactide for food additives
IL132289A (en) * 1999-10-08 2003-12-10 Staley Mfg Co A E Process for conversion of an extracted carboxylic acid to a non-ionized product
WO2001042333A2 (en) 1999-12-13 2001-06-14 Michigan State University Process for the preparation of polymers of dimeric cyclic esters
JP4565208B2 (ja) * 2000-03-31 2010-10-20 株式会社クレハ グリコリドの精製方法
DE102007045701B3 (de) * 2007-09-24 2009-05-14 Uhde Gmbh Gewinnung von Milchsäure durch Fermentation und Extraktion mit Aminen
KR101154029B1 (ko) 2009-05-20 2012-06-07 한국화학연구원 젖산에스테르로부터 락타이드의 직접 전환용 촉매 및 이를 이용한 락타이드의 제조방법
BR112013010169B1 (pt) 2010-10-28 2021-11-16 Total Raffinage Marketing Microrganismo monascus ruber, seu uso na produção de ácido láctico e método para produzir uma composição a um rendimento elevado, que compreende um ácido láctico
WO2013160485A1 (de) 2012-04-28 2013-10-31 Uhde Inventa-Fischer Gmbh Verfahren zur kontinuierlichen herstellung von lactid direkt aus konzentrierter milchsäure
KR101467202B1 (ko) * 2013-06-21 2014-12-01 한국화학연구원 젖산으로부터 락타이드 직접 제조용 성형 촉매 및 이의 제조 방법
KR101704563B1 (ko) 2015-10-12 2017-02-08 한국화학연구원 락타이드 정제공정을 이용한 락타이드 제조방법 및 제조장치
CN109563068A (zh) * 2016-06-20 2019-04-02 道达尔研究技术弗吕公司 通过滗析回收水的单步骤丙交酯生产工艺
CN109563069A (zh) * 2016-06-20 2019-04-02 道达尔研究技术弗吕公司 具有热回收的单步骤丙交酯生产工艺
WO2017220521A1 (en) * 2016-06-20 2017-12-28 Total Research & Technology Feluy Single step lactide production process with hydrolysis of oligomers and catalyst by recovered water
KR102013714B1 (ko) * 2017-03-09 2019-08-23 연세대학교 산학협력단 락타이드 연속 제조 방법 및 장치
CN111039918A (zh) * 2019-12-24 2020-04-21 安徽丰原发酵技术工程研究有限公司 一步气相反应制备d-丙交酯的方法
UA145097U (uk) 2020-05-07 2020-11-25 Товариство З Обмеженою Відповідальністю "Виробнича Група "Техінсервіс" СПОСІБ ОДЕРЖАННЯ ЛАКТИДУ З С<sub>3</sub>-ПОЛІОЛІВ
CN114805285A (zh) * 2022-06-07 2022-07-29 南昌大学 一种从l-乳酸制备丙交酯的方法
CN115504958B (zh) * 2022-10-20 2023-12-19 山东寿光巨能金玉米开发有限公司 一种丙交酯与乳酸酯联合生产的方法

Family Cites Families (44)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE221786C (fi) *
CA863673A (en) * 1971-02-16 K. Schneider Allan Absorbable suture
DE267826C (de) * 1912-12-28 1913-12-02 Chemische Werke Verfahren zur Darstellung von lactid
US1095205A (en) * 1913-05-15 1914-05-05 Chemische Werke Vorm Dr Heinrich Byk Manufacture of lactid.
US1594843A (en) * 1921-08-19 1926-08-03 Du Pont Purification of lactic acid
US1995970A (en) * 1931-04-04 1935-03-26 Du Pont Polymeric lactide resin
US2163268A (en) * 1933-12-12 1939-06-20 Du Pont Method for making cyclic esters
US2174491A (en) * 1938-06-28 1939-09-26 Paul D Watson Method of making lactic acid resinous products
US2189572A (en) * 1938-09-01 1940-02-06 Paul D Watson Process for fractionating resinous products
US2703316A (en) * 1951-06-05 1955-03-01 Du Pont Polymers of high melting lactide
US2668162A (en) * 1952-03-20 1954-02-02 Du Pont Preparation of high molecular weight polyhydroxyacetic ester
US2758987A (en) * 1952-06-05 1956-08-14 Du Pont Optically active homopolymers containing but one antipodal species of an alpha-monohydroxy monocarboxylic acid
US2768973A (en) * 1954-11-30 1956-10-30 Du Pont Preparation of glycolaldehyde by hydrolysis of 4-chloro-2-oxodioxolane
US3322791A (en) * 1963-09-26 1967-05-30 Ethicon Inc Preparation of optically active lactides
DE1194142B (de) * 1963-11-19 1965-06-03 Bayer Ag Verfahren zum UV-Stabilisieren von Polycarbonaten
BE674355A (fi) * 1964-12-28 1966-06-27
DD53074A1 (de) * 1965-12-18 1967-01-05 Verfahren zur Herstellung cyclischer Esteranhydride von alpha-Hydroxycarbonsäuren
US3457280A (en) * 1967-06-12 1969-07-22 American Cyanamid Co Alpha-glycolide and methods for the isolation thereof
US3435008A (en) * 1967-08-22 1969-03-25 American Cyanamid Co Method for preparation of isomerically pure beta-glycolide and polymerization method for glycolide compositions employing partial hydrolyzate of said beta-glycolide
US3597450A (en) * 1969-11-05 1971-08-03 American Cyanamid Co Preparation of glycolide polymerizable into polyglycolic acid of consistently high molecular weight
US3736646A (en) * 1971-10-18 1973-06-05 American Cyanamid Co Method of attaching surgical needles to multifilament polyglycolic acid absorbable sutures
US3867190A (en) * 1971-10-18 1975-02-18 American Cyanamid Co Reducing capillarity of polyglycolic acid sutures
US3960152A (en) * 1974-01-21 1976-06-01 American Cyanamid Company Surgical sutures of unsymmetrically substituted 1,4-dioxane-2,5-diones
US4033938A (en) * 1974-01-21 1977-07-05 American Cyanamid Company Polymers of unsymmetrically substituted 1,4-dioxane-2,5-diones
US4070375A (en) * 1976-08-05 1978-01-24 Chevron Research Company Process for preparing 1,4-dioxan-2-ones
US4727163A (en) * 1985-07-11 1988-02-23 E. I. Du Pont De Nemours And Company Process for preparing highly pure cyclic esters
DE3708915C2 (de) * 1987-03-19 1996-04-04 Boehringer Ingelheim Kg Verfahren zur Herstellung von Lactid
EP0261572A1 (de) * 1986-09-20 1988-03-30 Boehringer Ingelheim Kg Verfahren zur Herstellung von Lactid
DE3632103A1 (de) * 1986-09-20 1988-03-24 Boehringer Ingelheim Kg Verfahren zur herstellung von lactid
EP0264926B1 (de) * 1986-10-24 1992-04-08 Boehringer Ingelheim Kg Verfahren zur Herstellung und Reinigung thermolabiler Verbindungen
ES2052551T3 (es) * 1986-12-19 1994-07-16 Akzo Nv Metodo para preparar poli(acido lactico) o copolimeros de poli(acido lactico) por polimeracion de la lactida.
US4835293A (en) * 1987-02-24 1989-05-30 E. I. Du Pont De Nemours And Company Atmospheric pressure process for preparing pure cyclic esters
NL8702563A (nl) * 1987-10-28 1989-05-16 Cca Biochem B V Polymeer lactide, werkwijze voor het bereiden van een dergelijk polymeer lactide, alsmede een samenstelling, die een dergelijk polymeer lactide bevat.
EP0339882A1 (en) * 1988-04-27 1989-11-02 MITSUI TOATSU CHEMICALS, Inc. Process for the production of lactide
US5274127A (en) * 1990-09-18 1993-12-28 Biopak Technology, Ltd. Lactide production from dehydration of aqueous lactic acid feed
US5068418A (en) * 1989-05-08 1991-11-26 Uop Separation of lactic acid from fermentation broth with an anionic polymeric absorbent
US5075115A (en) * 1990-04-02 1991-12-24 Fmc Corporation Process for polymerizing poly(lactic acid)
DE69127284D1 (de) * 1990-05-03 1997-09-18 Du Pont Verfahren zur schnellen herstellung cyclischer ester
US5043458A (en) * 1990-05-03 1991-08-27 E. I. Du Pont De Nemours And Company One-step continuous process for preparing cyclic esters
US5091544A (en) * 1990-05-08 1992-02-25 E. I. Du Pont De Nemours And Company Process for rapid conversion of oligomers to cyclic esters
US5023349A (en) * 1990-05-08 1991-06-11 E. I. Du Pont De Nemours And Company Continuous process for rapid conversion of oligomers to cyclic esters
US5023350A (en) * 1990-05-24 1991-06-11 E. I. Du Pont De Nemours And Company Process for the purification of cyclic esters
US5138074A (en) * 1990-06-28 1992-08-11 E. I. Du Pont De Nemours And Company Continuous catalyzed vapor phase dimeric cyclic ester process
US5089632A (en) * 1991-01-30 1992-02-18 E. I. Du Pont De Nemours And Company Process for preparing cyclic esters using a fluorocarbon

Also Published As

Publication number Publication date
AU8630591A (en) 1992-04-15
PT98999A (pt) 1992-07-31
NZ239825A (en) 1993-08-26
KR930702330A (ko) 1993-09-08
DK0549698T3 (da) 1995-03-27
CA2091689A1 (en) 1992-03-19
FI95696C (fi) 1996-03-11
HK175695A (en) 1995-11-24
MY106760A (en) 1995-07-31
JPH06501467A (ja) 1994-02-17
IE63141B1 (en) 1995-03-22
KR0171431B1 (en) 1999-02-01
IL99520A0 (en) 1992-08-18
ZA917452B (en) 1992-05-27
BR9106854A (pt) 1993-08-24
FI95696B (fi) 1995-11-30
WO1992005168A1 (en) 1992-04-02
EP0549698B1 (en) 1994-11-09
FI931184A0 (fi) 1993-03-17
ATE113944T1 (de) 1994-11-15
AU652963B2 (en) 1994-09-15
CN1061223A (zh) 1992-05-20
IE913273A1 (en) 1992-02-25
DE69105144D1 (de) 1994-12-15
EP0549698A1 (en) 1993-07-07
ES2063527T3 (es) 1995-01-01
DE69105144T2 (de) 1995-03-23
JP3236289B2 (ja) 2001-12-10
US5332839A (en) 1994-07-26
MX9101130A (es) 1992-05-04

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