ZA917452B - Catalytic production of lactide directly from lactic acid - Google Patents

Catalytic production of lactide directly from lactic acid

Info

Publication number
ZA917452B
ZA917452B ZA917452A ZA917452A ZA917452B ZA 917452 B ZA917452 B ZA 917452B ZA 917452 A ZA917452 A ZA 917452A ZA 917452 A ZA917452 A ZA 917452A ZA 917452 B ZA917452 B ZA 917452B
Authority
ZA
South Africa
Prior art keywords
lactic acid
lactide
aqueous lactic
unreacted
feed
Prior art date
Application number
ZA917452A
Other languages
English (en)
Inventor
Herman P Benecke
P Benecke Herman
Richard A Markle
A Markle Richard
Richard G Sinclair
G Sinclair Richard
Original Assignee
Battelle Memorial Institute
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 Battelle Memorial Institute filed Critical Battelle Memorial Institute
Publication of ZA917452B publication Critical patent/ZA917452B/xx

Links

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)
ZA917452A 1990-09-18 1991-09-18 Catalytic production of lactide directly from lactic acid ZA917452B (en)

Applications Claiming Priority (1)

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

Publications (1)

Publication Number Publication Date
ZA917452B true ZA917452B (en) 1992-05-27

Family

ID=24337436

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA917452A ZA917452B (en) 1990-09-18 1991-09-18 Catalytic production of lactide directly from lactic acid

Country Status (22)

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

Families Citing this family (34)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US5274127A (en) * 1990-09-18 1993-12-28 Biopak Technology, Ltd. Lactide production from dehydration of aqueous lactic acid feed
US5767222A (en) * 1988-08-08 1998-06-16 Chronopol, Inc. Degradable polydioxaneone-based materials
US5319107A (en) * 1990-09-18 1994-06-07 Biopak Technology, Ltd. Method to produce cyclic esters
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
US6326458B1 (en) 1992-01-24 2001-12-04 Cargill, Inc. Continuous process for the manufacture of lactide and lactide polymers
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
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
US6005067A (en) 1992-01-24 1999-12-21 Cargill Incorporated Continuous process for manufacture of lactide polymers with controlled optical purity
US6005068A (en) 1992-10-02 1999-12-21 Cargill Incorporated Melt-stable amorphous lactide polymer film and process for manufacture thereof
US5338822A (en) * 1992-10-02 1994-08-16 Cargill, Incorporated Melt-stable lactide polymer composition and process for manufacture thereof
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.
DK0615555T3 (da) 1992-10-02 2001-07-09 Cargill Inc Tekstilmateriale af smeltestabil lactidpolymer og fremgangsmåde til fremstilling deraf
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
AU2098901A (en) 1999-12-13 2001-06-18 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
EP2806038B1 (en) 2010-10-28 2018-07-25 Total Research & Technology Feluy Use of Monascus in organic acid production
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
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
US10745374B2 (en) 2016-06-20 2020-08-18 Total Research & Technology Feluy Single step lactide production process with recovering water by decantation
WO2017220522A1 (en) * 2016-06-20 2017-12-28 Total Research & Technology Feluy Single step lactide production process with heat recovery
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 (xx) *
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
NL6516979A (xx) * 1964-12-28 1966-06-29
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
ATE79386T1 (de) * 1986-12-19 1992-08-15 Akzo Nv Herstellung von polymilchsaeure und copolymeren daraus.
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)
US5043458A (en) * 1990-05-03 1991-08-27 E. I. Du Pont De Nemours And Company One-step continuous process for preparing 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
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
DE69127284D1 (de) * 1990-05-03 1997-09-18 Du Pont Verfahren zur schnellen herstellung cyclischer ester
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
IE63141B1 (en) 1995-03-22
PT98999A (pt) 1992-07-31
MX9101130A (es) 1992-05-04
KR930702330A (ko) 1993-09-08
EP0549698A1 (en) 1993-07-07
ATE113944T1 (de) 1994-11-15
JPH06501467A (ja) 1994-02-17
IL99520A0 (en) 1992-08-18
AU652963B2 (en) 1994-09-15
HK175695A (en) 1995-11-24
MY106760A (en) 1995-07-31
US5332839A (en) 1994-07-26
AU8630591A (en) 1992-04-15
IE913273A1 (en) 1992-02-25
FI95696C (fi) 1996-03-11
WO1992005168A1 (en) 1992-04-02
KR0171431B1 (en) 1999-02-01
DE69105144D1 (de) 1994-12-15
EP0549698B1 (en) 1994-11-09
NZ239825A (en) 1993-08-26
DE69105144T2 (de) 1995-03-23
ES2063527T3 (es) 1995-01-01
JP3236289B2 (ja) 2001-12-10
CA2091689A1 (en) 1992-03-19
FI931184A (fi) 1993-03-17
BR9106854A (pt) 1993-08-24
CN1061223A (zh) 1992-05-20
FI931184A0 (fi) 1993-03-17
FI95696B (fi) 1995-11-30
DK0549698T3 (da) 1995-03-27

Similar Documents

Publication Publication Date Title
KR0171431B1 (en) Catalytic production of lactide directly from lactic acid
PL287944A1 (en) Method of obtaining high purity bisphenol a
ATE293154T1 (de) Herstellung von flüssigen kohlenwasserstoffprodukten
CN108026034B (zh) 尿素制造方法以及尿素制造装置
MX9703727A (es) Preparacion de caprolactama.
EP0738732A3 (en) Process for preparing cyclic polysiloxanes
EP1457475A3 (de) Verfahren zur Herstellung von Oligomeren von Alkenen mit 4 bis 8 Kohlenstoffatomen
MXPA05008420A (es) Reciclaje de c6 para generacion de propileno en una unidad de pirolisis catalitica fluida.
MY139272A (en) Process for producing aldehyde
AU4084001A (en) Process for the preparation of propane-1,3-diol by vapor phase hydrogenation of 3-hydroxypropanal, beta-propiolactone, oligomers of beta-propiolactone, esters of 3-hydroxypropanoic acid or mixtures thereof
KR100518073B1 (ko) ε-카프로락탐과 ε-카프로락탐 전구물질의 수성 혼합물의 연속제조방법
UA42814C2 (uk) Спосіб виробництва сечовини з високою продуктивністю синтезу і низьким енергоспоживанням, установка для його реалізації (варіанти) і спосіб модернізації існуючої установки (варіанти)
CN108863793A (zh) 一种乙酸异丙酯的制备方法
SU1035017A1 (ru) Способ получени стирола
SU455099A1 (ru) Способ получени окиси пропилена
SU460720A1 (ru) Способ получени изопрена, формальдегида и изобутилена
SU644778A1 (ru) Способ получени изоборнилформиата
KR980001995A (ko) 부틴 디올을 합성하는 방법
KR920703452A (ko) 염화 칼슘과 아세틸렌의 제조를 위한 2-단 공정
KR930009980A (ko) 알킬 아디페이트의 제조방법
NO996162L (no) FremgangsmÕte ved fremstilling av et kjemisk produkt
TH21520A (th) กระบวนการเปลี่ยนรูปไฮโดรคาร์บอน
TW372958B (en) Improved catalytic processes for esterification of carboxylic acids
KR900016131A (ko) 3-피콜린의 제조방법
RO97230B1 (ro) Procedeu si instalatie pentru sinteza hidrazodicarboxamidei