SE426068B - Forfarande for framstellning av cykliska polyetrar - Google Patents

Forfarande for framstellning av cykliska polyetrar

Info

Publication number
SE426068B
SE426068B SE7506050A SE7506050A SE426068B SE 426068 B SE426068 B SE 426068B SE 7506050 A SE7506050 A SE 7506050A SE 7506050 A SE7506050 A SE 7506050A SE 426068 B SE426068 B SE 426068B
Authority
SE
Sweden
Prior art keywords
polyeters
procedure
manufacturing cyclic
cyclic
manufacturing
Prior art date
Application number
SE7506050A
Other languages
English (en)
Swedish (sv)
Other versions
SE7506050L (sv
Inventor
J Dale
K Daasvatn
Original Assignee
Dale Johannes
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 Dale Johannes filed Critical Dale Johannes
Publication of SE7506050L publication Critical patent/SE7506050L/xx
Publication of SE426068B publication Critical patent/SE426068B/xx

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C07—ORGANIC CHEMISTRY
    • C07D—HETEROCYCLIC COMPOUNDS
    • C07D323/00—Heterocyclic compounds containing more than two oxygen atoms as the only ring hetero atoms
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds
    • C08G65/2642—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring from cyclic ethers and other compounds characterised by the catalyst used
    • C08G65/2645—Metals or compounds thereof, e.g. salts
SE7506050A 1974-05-28 1975-05-27 Forfarande for framstellning av cykliska polyetrar SE426068B (sv)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
NO741930A NO134211C (xx) 1974-05-28 1974-05-28

Publications (2)

Publication Number Publication Date
SE7506050L SE7506050L (sv) 1975-12-01
SE426068B true SE426068B (sv) 1982-12-06

Family

ID=19881635

Family Applications (1)

Application Number Title Priority Date Filing Date
SE7506050A SE426068B (sv) 1974-05-28 1975-05-27 Forfarande for framstellning av cykliska polyetrar

Country Status (13)

Country Link
US (1) US3997563A (xx)
JP (1) JPS5927351B2 (xx)
BE (1) BE829563A (xx)
CA (1) CA1039733A (xx)
CH (1) CH601284A5 (xx)
DE (1) DE2523542A1 (xx)
DK (1) DK234575A (xx)
FR (1) FR2273004B2 (xx)
GB (1) GB1456190A (xx)
IT (1) IT1035884B (xx)
NL (1) NL7506186A (xx)
NO (1) NO134211C (xx)
SE (1) SE426068B (xx)

Families Citing this family (16)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US4127513A (en) * 1977-11-09 1978-11-28 E. I. Du Pont De Nemours And Company Method for preparing polyether glycols
US4257955A (en) * 1978-10-06 1981-03-24 Board Of Trustees, Michigan State University Lanthanide rare earth series cryptate compounds and process for the preparation of metal cryptates in general
CA1131647A (en) * 1978-11-10 1982-09-14 Arie Van Zon Macrocyclic polyether complexes and method for macrocyclic polyether isolation via said complexes
US4228272A (en) * 1979-03-27 1980-10-14 E. I. Du Pont De Nemours And Company Method of catalytically preparing tetrahydrofuran/alkylene oxide polymerizates using a montmorillonite clay as the catalyst
US4329445A (en) * 1979-04-30 1982-05-11 E. I. Du Pont De Nemours And Company Process for preparing a tetrahydrofuran-alkylene oxide copolymer with treated bentonite catalyst
US4392978A (en) * 1979-12-26 1983-07-12 Allied Corporation Selective aromatic nitration
US4562272A (en) * 1981-03-27 1985-12-31 Union Carbide Corporation Process for preparing cyclic polyethers
US4432904A (en) * 1982-09-29 1984-02-21 E. I. Du Pont De Nemours And Company Phosphine azacrown ether compounds
GB8724662D0 (en) * 1987-10-21 1987-11-25 Ass Octel Lewis base complexes of alkali metal salts
US5913446A (en) 1994-06-21 1999-06-22 Von Holdt, Sr.; John W. Plastic bucket and lid
GB2303130A (en) * 1995-07-10 1997-02-12 Secr Defence Cyclic oligomers of substituted cyclic ethers
DE19755415A1 (de) * 1997-12-12 1999-06-17 Basf Ag Katalysator und Verfahren zur Herstellung von Polytetrahydrofuran
US6579997B1 (en) 1999-07-21 2003-06-17 Uab Research Foundation Metallacrown ether catalysts for hydroformylation
DE102006057142A1 (de) * 2006-12-01 2008-06-05 Henkel Kgaa Metallverbindungen als Initiatoren
CN114605374B (zh) * 2022-04-01 2023-06-09 浙江肯特催化材料科技有限公司 一种环氧乙烷连续低聚合成脂肪族冠醚的方法
CN114702472B (zh) * 2022-04-01 2024-03-22 浙江肯特催化材料科技有限公司 一种环氧乙烷低聚合成脂肪族冠醚的制备方法

Also Published As

Publication number Publication date
US3997563A (en) 1976-12-14
CA1039733A (en) 1978-10-03
JPS5123283A (en) 1976-02-24
NL7506186A (nl) 1975-12-02
FR2273004B2 (xx) 1979-05-18
SE7506050L (sv) 1975-12-01
GB1456190A (en) 1976-11-17
DK234575A (da) 1975-11-29
BE829563A (fr) 1975-09-15
DE2523542A1 (de) 1975-12-04
FR2273004A2 (xx) 1975-12-26
NO741930L (xx) 1975-12-01
IT1035884B (it) 1979-10-20
CH601284A5 (xx) 1978-07-14
NO134211C (xx) 1976-09-01
NO134211B (xx) 1976-05-24
JPS5927351B2 (ja) 1984-07-05

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