DE69401881D1 - Verfahren zur Herstellung des ungesättigten Dimeres von alpha-Methylstyrol - Google Patents
Verfahren zur Herstellung des ungesättigten Dimeres von alpha-MethylstyrolInfo
- Publication number
- DE69401881D1 DE69401881D1 DE69401881T DE69401881T DE69401881D1 DE 69401881 D1 DE69401881 D1 DE 69401881D1 DE 69401881 T DE69401881 T DE 69401881T DE 69401881 T DE69401881 T DE 69401881T DE 69401881 D1 DE69401881 D1 DE 69401881D1
- Authority
- DE
- Germany
- Prior art keywords
- methylstyrene
- alpha
- preparation
- unsaturated dimer
- dimer
- 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.)
- Expired - Fee Related
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C15/00—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts
- C07C15/40—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals
- C07C15/50—Cyclic hydrocarbons containing only six-membered aromatic rings as cyclic parts substituted by unsaturated carbon radicals polycyclic non-condensed
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2/00—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms
- C07C2/02—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons
- C07C2/04—Preparation of hydrocarbons from hydrocarbons containing a smaller number of carbon atoms by addition between unsaturated hydrocarbons by oligomerisation of well-defined unsaturated hydrocarbons without ring formation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C2521/00—Catalysts comprising the elements, oxides or hydroxides of magnesium, boron, aluminium, carbon, silicon, titanium, zirconium or hafnium
- C07C2521/16—Clays or other mineral silicates
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/52—Improvements relating to the production of bulk chemicals using catalysts, e.g. selective catalysts
-
- Y—GENERAL TAGGING OF NEW TECHNOLOGICAL DEVELOPMENTS; GENERAL TAGGING OF CROSS-SECTIONAL TECHNOLOGIES SPANNING OVER SEVERAL SECTIONS OF THE IPC; TECHNICAL SUBJECTS COVERED BY FORMER USPC CROSS-REFERENCE ART COLLECTIONS [XRACs] AND DIGESTS
- Y02—TECHNOLOGIES OR APPLICATIONS FOR MITIGATION OR ADAPTATION AGAINST CLIMATE CHANGE
- Y02P—CLIMATE CHANGE MITIGATION TECHNOLOGIES IN THE PRODUCTION OR PROCESSING OF GOODS
- Y02P20/00—Technologies relating to chemical industry
- Y02P20/50—Improvements relating to the production of bulk chemicals
- Y02P20/582—Recycling of unreacted starting or intermediate materials
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP5257502A JPH0789883A (ja) | 1993-09-22 | 1993-09-22 | α− メチルスチレン不飽和二量体の製造方法 |
JP5339829A JPH07157446A (ja) | 1993-12-07 | 1993-12-07 | α− メチルスチレン不飽和二量体の製造方法 |
Publications (2)
Publication Number | Publication Date |
---|---|
DE69401881D1 true DE69401881D1 (de) | 1997-04-10 |
DE69401881T2 DE69401881T2 (de) | 1997-07-24 |
Family
ID=26543233
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DE69401881T Expired - Fee Related DE69401881T2 (de) | 1993-09-22 | 1994-09-19 | Verfahren zur Herstellung des ungesättigten Dimeres von alpha-Methylstyrol |
Country Status (6)
Country | Link |
---|---|
US (1) | US5481053A (de) |
EP (1) | EP0644169B1 (de) |
KR (1) | KR950008448A (de) |
CN (1) | CN1043880C (de) |
DE (1) | DE69401881T2 (de) |
TW (1) | TW279843B (de) |
Families Citing this family (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN104030881A (zh) * | 2014-06-05 | 2014-09-10 | 浙江力捷化工科技有限公司 | 一种非均相连续制备α-甲基苯乙烯线性二聚体的方法 |
Family Cites Families (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2429719A (en) * | 1946-01-18 | 1947-10-28 | Atlantic Refining Co | Production of unsaturated dimers of alpha alkyl styrenes |
DE2724491A1 (de) * | 1976-06-01 | 1977-12-15 | Monsanto Co | Verfahren zur herstellung linearer dimerer des alpha-alkylstyrols |
GB2031944B (en) * | 1978-09-19 | 1983-01-06 | Nippon Oil Co Ltd | Traction fluids for traction drive transmissions |
US4199481A (en) * | 1979-06-07 | 1980-04-22 | International Flavors & Fragrances Inc. | Acetylated alpha methyl styrene dimers or derivatives in perfumes |
JPS5780332A (en) * | 1980-11-10 | 1982-05-19 | Nippon Oil & Fats Co Ltd | Preparation of alpha-methylstyrene dimer |
-
1994
- 1994-09-16 KR KR1019940023537A patent/KR950008448A/ko not_active Application Discontinuation
- 1994-09-19 EP EP94114701A patent/EP0644169B1/de not_active Expired - Lifetime
- 1994-09-19 DE DE69401881T patent/DE69401881T2/de not_active Expired - Fee Related
- 1994-09-21 TW TW083108650A patent/TW279843B/zh active
- 1994-09-22 US US08/310,395 patent/US5481053A/en not_active Expired - Fee Related
- 1994-09-22 CN CN94116413A patent/CN1043880C/zh not_active Expired - Fee Related
Also Published As
Publication number | Publication date |
---|---|
KR950008448A (ko) | 1995-04-17 |
DE69401881T2 (de) | 1997-07-24 |
TW279843B (de) | 1996-07-01 |
EP0644169A1 (de) | 1995-03-22 |
CN1109040A (zh) | 1995-09-27 |
US5481053A (en) | 1996-01-02 |
EP0644169B1 (de) | 1997-03-05 |
CN1043880C (zh) | 1999-06-30 |
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Legal Events
Date | Code | Title | Description |
---|---|---|---|
8364 | No opposition during term of opposition | ||
8339 | Ceased/non-payment of the annual fee |