BR8702151A - Processo de controle do peso molecular de oxidos polialquenicos - Google Patents

Processo de controle do peso molecular de oxidos polialquenicos

Info

Publication number
BR8702151A
BR8702151A BR8702151A BR8702151A BR8702151A BR 8702151 A BR8702151 A BR 8702151A BR 8702151 A BR8702151 A BR 8702151A BR 8702151 A BR8702151 A BR 8702151A BR 8702151 A BR8702151 A BR 8702151A
Authority
BR
Brazil
Prior art keywords
polyalkenylic
oxides
molecular weight
control process
weight control
Prior art date
Application number
BR8702151A
Other languages
English (en)
Inventor
Walter Thomas Reichle
Original Assignee
Union Carbide Corp
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 Union Carbide Corp filed Critical Union Carbide Corp
Publication of BR8702151A publication Critical patent/BR8702151A/pt

Links

Classifications

    • 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
    • C08G65/269—Mixed catalyst systems, i.e. containing more than one reactive component or catalysts formed in-situ
    • 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
    • C08G65/04—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 only
    • 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
    • C08G65/04—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 only
    • C08G65/06—Cyclic ethers having no atoms other than carbon and hydrogen outside the ring
    • C08G65/08—Saturated oxiranes
    • C08G65/10—Saturated oxiranes characterised by the catalysts used
    • C08G65/12—Saturated oxiranes characterised by the catalysts used containing organo-metallic compounds or metal hydrides

Landscapes

  • Chemical & Material Sciences (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Organic Chemistry (AREA)
  • Polyethers (AREA)
BR8702151A 1986-05-02 1987-04-30 Processo de controle do peso molecular de oxidos polialquenicos BR8702151A (pt)

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
US06/858,914 US4667013A (en) 1986-05-02 1986-05-02 Process for alkylene oxide polymerization

Publications (1)

Publication Number Publication Date
BR8702151A true BR8702151A (pt) 1988-02-09

Family

ID=25329489

Family Applications (1)

Application Number Title Priority Date Filing Date
BR8702151A BR8702151A (pt) 1986-05-02 1987-04-30 Processo de controle do peso molecular de oxidos polialquenicos

Country Status (6)

Country Link
US (1) US4667013A (pt)
EP (1) EP0243969A3 (pt)
JP (1) JPS62273227A (pt)
AU (1) AU7227387A (pt)
BR (1) BR8702151A (pt)
CA (1) CA1279435C (pt)

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Also Published As

Publication number Publication date
AU7227387A (en) 1987-11-05
CA1279435C (en) 1991-01-22
JPS62273227A (ja) 1987-11-27
US4667013A (en) 1987-05-19
JPH0474370B2 (pt) 1992-11-26
EP0243969A3 (en) 1988-10-05
EP0243969A2 (en) 1987-11-04

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