ZA976008B - Continuous prepartion of low unsaturation polyoxyalkylene polyether polyols with continuous addition of starter. - Google Patents

Continuous prepartion of low unsaturation polyoxyalkylene polyether polyols with continuous addition of starter.

Info

Publication number
ZA976008B
ZA976008B ZA9706008A ZA976008A ZA976008B ZA 976008 B ZA976008 B ZA 976008B ZA 9706008 A ZA9706008 A ZA 9706008A ZA 976008 A ZA976008 A ZA 976008A ZA 976008 B ZA976008 B ZA 976008B
Authority
ZA
South Africa
Prior art keywords
continuous
prepartion
starter
polyether polyols
polyoxyalkylene polyether
Prior art date
Application number
ZA9706008A
Other languages
English (en)
Inventor
Jose F Pazos
T Thomas Shih
Original Assignee
Arco Chem Tech
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
Family has litigation
First worldwide family litigation filed litigation Critical https://patents.darts-ip.com/?family=24743685&utm_source=google_patent&utm_medium=platform_link&utm_campaign=public_patent_search&patent=ZA976008(B) "Global patent litigation dataset” by Darts-ip is licensed under a Creative Commons Attribution 4.0 International License.
Application filed by Arco Chem Tech filed Critical Arco Chem Tech
Publication of ZA976008B publication Critical patent/ZA976008B/xx

Links

Classifications

    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26Macromolecular 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
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/04Macromolecular 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 only
    • C08G65/06Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
    • C08G65/08Saturated oxiranes
    • C08G65/10Saturated oxiranes characterised by the catalysts used
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26Macromolecular 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
    • C08G65/2642Macromolecular 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
    • C08G65/2645Metals or compounds thereof, e.g. salts
    • C08G65/2663Metal cyanide catalysts, i.e. DMC's
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08GMACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
    • C08G65/00Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
    • C08G65/02Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from cyclic ethers by opening of the heterocyclic ring
    • C08G65/26Macromolecular 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
    • C08G65/2696Macromolecular 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 process or apparatus used

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Toxicology (AREA)
  • Polyethers (AREA)
ZA9706008A 1996-07-18 1997-07-04 Continuous prepartion of low unsaturation polyoxyalkylene polyether polyols with continuous addition of starter. ZA976008B (en)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US08/683,356 US5689012A (en) 1996-07-18 1996-07-18 Continuous preparation of low unsaturation polyoxyalkylene polyether polyols with continuous additon of starter

Publications (1)

Publication Number Publication Date
ZA976008B true ZA976008B (en) 1998-02-02

Family

ID=24743685

Family Applications (1)

Application Number Title Priority Date Filing Date
ZA9706008A ZA976008B (en) 1996-07-18 1997-07-04 Continuous prepartion of low unsaturation polyoxyalkylene polyether polyols with continuous addition of starter.

Country Status (18)

Country Link
US (1) US5689012A (es)
EP (1) EP0912625B1 (es)
JP (2) JP4234203B2 (es)
KR (1) KR100520388B1 (es)
CN (1) CN1176969C (es)
AR (1) AR007905A1 (es)
AU (1) AU729858B2 (es)
BR (1) BR9710718A (es)
CA (1) CA2252396C (es)
CZ (1) CZ298838B6 (es)
DE (1) DE69735298T2 (es)
ES (1) ES2257776T3 (es)
ID (1) ID19817A (es)
PL (1) PL191007B1 (es)
RU (1) RU2272048C2 (es)
TW (1) TW434275B (es)
WO (1) WO1998003571A1 (es)
ZA (1) ZA976008B (es)

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