CN1125711A - 从粗丁炔二醇溶液中分离高沸点馏份的方法 - Google Patents
从粗丁炔二醇溶液中分离高沸点馏份的方法 Download PDFInfo
- Publication number
- CN1125711A CN1125711A CN95115579A CN95115579A CN1125711A CN 1125711 A CN1125711 A CN 1125711A CN 95115579 A CN95115579 A CN 95115579A CN 95115579 A CN95115579 A CN 95115579A CN 1125711 A CN1125711 A CN 1125711A
- Authority
- CN
- China
- Prior art keywords
- high boiling
- cymogene
- butynediol
- tower
- boiling point
- 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.)
- Pending
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C33/00—Unsaturated compounds having hydroxy or O-metal groups bound to acyclic carbon atoms
- C07C33/04—Acyclic alcohols with carbon-to-carbon triple bonds
- C07C33/042—Acyclic alcohols with carbon-to-carbon triple bonds with only one triple bond
- C07C33/044—Alkynediols
- C07C33/046—Butynediols
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C29/00—Preparation of compounds having hydroxy or O-metal groups bound to a carbon atom not belonging to a six-membered aromatic ring
- C07C29/74—Separation; Purification; Use of additives, e.g. for stabilisation
- C07C29/76—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment
- C07C29/80—Separation; Purification; Use of additives, e.g. for stabilisation by physical treatment by distillation
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DE4432581A DE4432581C2 (de) | 1994-09-13 | 1994-09-13 | Verfahren zum Abtrennen der Schwersiederfraktion aus einer Roh-Butindiollösung |
DEP4432581.9 | 1994-09-13 |
Publications (1)
Publication Number | Publication Date |
---|---|
CN1125711A true CN1125711A (zh) | 1996-07-03 |
Family
ID=6528102
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
CN95115579A Pending CN1125711A (zh) | 1994-09-13 | 1995-08-28 | 从粗丁炔二醇溶液中分离高沸点馏份的方法 |
Country Status (4)
Country | Link |
---|---|
KR (1) | KR100369972B1 (de) |
CN (1) | CN1125711A (de) |
DE (1) | DE4432581C2 (de) |
TW (1) | TW297020B (de) |
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101253138B (zh) * | 2005-09-06 | 2011-06-15 | 巴斯夫欧洲公司 | 从1,4-丁炔二醇中分离聚合副产物的方法 |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102005042184A1 (de) | 2005-09-06 | 2007-03-08 | Basf Ag | Verfahren zur Abtrennung von polymeren Nebenprodukten aus 1,4-Butindiol |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1063147B (de) * | 1956-08-07 | 1959-08-13 | Basf Ag | Verfahren zur Herstellung von Butin-2-diol-1, 4 |
-
1994
- 1994-09-13 DE DE4432581A patent/DE4432581C2/de not_active Expired - Fee Related
-
1995
- 1995-08-26 KR KR1019950026779A patent/KR100369972B1/ko not_active IP Right Cessation
- 1995-08-28 CN CN95115579A patent/CN1125711A/zh active Pending
- 1995-09-30 TW TW084110225A patent/TW297020B/zh active
Cited By (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101253138B (zh) * | 2005-09-06 | 2011-06-15 | 巴斯夫欧洲公司 | 从1,4-丁炔二醇中分离聚合副产物的方法 |
Also Published As
Publication number | Publication date |
---|---|
DE4432581A1 (de) | 1996-03-14 |
KR100369972B1 (ko) | 2003-05-23 |
TW297020B (de) | 1997-02-01 |
DE4432581C2 (de) | 1997-01-23 |
KR960010599A (ko) | 1996-04-20 |
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Legal Events
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---|---|---|---|
C06 | Publication | ||
PB01 | Publication | ||
C10 | Entry into substantive examination | ||
SE01 | Entry into force of request for substantive examination | ||
C01 | Deemed withdrawal of patent application (patent law 1993) | ||
WD01 | Invention patent application deemed withdrawn after publication | ||
REG | Reference to a national code |
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