IT999606B - Procedimento di polimerizzazione anicnica - Google Patents

Procedimento di polimerizzazione anicnica

Info

Publication number
IT999606B
IT999606B IT69894/73A IT6989473A IT999606B IT 999606 B IT999606 B IT 999606B IT 69894/73 A IT69894/73 A IT 69894/73A IT 6989473 A IT6989473 A IT 6989473A IT 999606 B IT999606 B IT 999606B
Authority
IT
Italy
Prior art keywords
anicnic
polymerization process
polymerization
anicnic polymerization
Prior art date
Application number
IT69894/73A
Other languages
English (en)
Original Assignee
Poudres & Explosifs Ste Nale
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 Poudres & Explosifs Ste Nale filed Critical Poudres & Explosifs Ste Nale
Application granted granted Critical
Publication of IT999606B publication Critical patent/IT999606B/it

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
    • C08G77/00Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
    • C08G77/04Polysiloxanes
    • C08G77/06Preparatory processes
    • C08G77/08Preparatory processes characterised by the catalysts used
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F36/00Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
    • C08F36/02Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds
    • C08F36/04Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds the radical having only two carbon-to-carbon double bonds conjugated
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08FMACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F4/00Polymerisation catalysts
    • 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
    • C08G61/00Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
    • C08G61/02Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes
    • C08G61/10Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aromatic carbon atoms, e.g. polyphenylenes
    • 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
    • C08G65/2603Macromolecular 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 the other compounds containing oxygen
    • 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
    • C08G65/2651Alkaline earth metals or compounds thereof
IT69894/73A 1972-10-03 1973-10-02 Procedimento di polimerizzazione anicnica IT999606B (it)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB4548272 1972-10-03
GB3625773A GB1426747A (en) 1972-10-03 1973-07-30 Anionic polymerization

Publications (1)

Publication Number Publication Date
IT999606B true IT999606B (it) 1976-03-10

Family

ID=26263047

Family Applications (1)

Application Number Title Priority Date Filing Date
IT69894/73A IT999606B (it) 1972-10-03 1973-10-02 Procedimento di polimerizzazione anicnica

Country Status (16)

Country Link
US (2) US3890278A (it)
JP (1) JPS5328948B2 (it)
CA (1) CA1033888A (it)
CH (1) CH606124A5 (it)
CS (1) CS195265B2 (it)
DD (1) DD113015A5 (it)
DE (1) DE2348449C3 (it)
ES (1) ES418955A1 (it)
FR (1) FR2201304B1 (it)
GB (1) GB1426747A (it)
HU (1) HU168288B (it)
IT (1) IT999606B (it)
LU (1) LU68547A1 (it)
NL (1) NL151720B (it)
RO (1) RO63574A (it)
SE (1) SE407220B (it)

Families Citing this family (21)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
GB1426747A (en) * 1972-10-03 1976-03-03 Poudres & Explosifs Ste Nale Anionic polymerization
DE2618815A1 (de) * 1975-05-05 1976-11-18 Gen Electric Verfahren zum polymerisieren cyclischer diorganopolysiloxane
US4254247A (en) * 1976-05-26 1981-03-03 Societe Nationale Des Poudres Et Explosifs Novel initiators for anionic polymerization
US4316001A (en) 1976-05-26 1982-02-16 Societe Nationale Des Poudres Et Explosifs Anionic polymerization of heterocyclic monomers with alkali metal amide hydroxylated compound initiator
FR2353589A1 (fr) * 1976-05-31 1977-12-30 Rhone Poulenc Ind Procede de preparation d'organopolysiloxanes
JPS53129231A (en) * 1977-04-19 1978-11-11 Toagosei Chem Ind Co Ltd Adhesion composition
US4264753A (en) * 1979-10-18 1981-04-28 The Firestone Tire & Rubber Company Process for polymerizing conjugated dienes
US4278784A (en) * 1980-02-06 1981-07-14 Western Electric Company, Inc. Encapsulated electronic devices and encapsulating compositions
FR2481295A1 (fr) * 1980-04-29 1981-10-30 Rhone Poulenc Ind Procede d'obtention de polysiloxanes de masses moleculaires elevees par polymerisation et rearrangement de polysiloxanes en presence de catalyseur alcalin et de tris(oxaalkyl)amine
JPS591509A (ja) * 1982-05-21 1984-01-06 Daicel Chem Ind Ltd 重合性高分子の製造方法
JPS59145022A (ja) * 1983-02-08 1984-08-20 Japan Atom Energy Res Inst リチウム同位体を分離する方法
US4665257A (en) * 1986-10-20 1987-05-12 The United States Of America As Represented By The Secretary Of The Army Facile, high yield synthesis of 2,3-diphenyl-1,3-butadiene
FR2608610B1 (fr) * 1986-12-19 1989-07-21 Charbonnages Ste Chimique Procede de polymerisation de monomeres acryliques et eventuellement de co-monomeres non acryliques.
JPH01252637A (ja) * 1987-12-11 1989-10-09 Nippon Telegr & Teleph Corp <Ntt> 有機金属高分子化合物の製造方法
US4927910A (en) * 1989-02-22 1990-05-22 General Electric Company Preparation of linear polycarbonates from cyclic oligomer compositions using aryl tetrahydropyranyl ether catalyst
FR2644465A1 (fr) * 1989-03-15 1990-09-21 Norsolor Sa Procede de polymerisation anionique d'acrylates primaires
US5773521A (en) * 1995-12-19 1998-06-30 Shell Oil Company Coupling to produce inside-out star polymers with expanded cores
DE19648565A1 (de) * 1996-11-23 1998-05-28 Basf Ag Verfahren zur Herstellung von Polyalkyl(meth)acrylaten
FR2876695B1 (fr) * 2004-10-15 2006-12-08 Rhodia Chimie Sa Procede de preparation d'organopolysiloxane par polymerisation et rearrangement de siloxanes cycliques
WO2022182810A1 (en) 2021-02-26 2022-09-01 Novomer, Inc. Methods for production of biodegradable polyesters
KR20230170697A (ko) 2021-04-16 2023-12-19 노보머, 인코포레이티드 폴리프로피오락톤 및 제조 방법

Family Cites Families (9)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3159647A (en) * 1961-02-27 1964-12-01 Union Carbide Corp 1, 5-diazabicyclo [3.2.1] octanes
US3462398A (en) * 1965-09-07 1969-08-19 Shell Oil Co Continuous process polymerization of beta-lactones
US3412073A (en) * 1965-12-28 1968-11-19 Du Pont Process for polymerizing pivalolactone
US3451988A (en) * 1966-10-25 1969-06-24 Exxon Research Engineering Co Polymerization catalyst and uses thereof
US3532645A (en) * 1968-11-07 1970-10-06 Jefferson Chem Co Inc Catalyst and process for the polymerization of ethylene oxide
US3560450A (en) * 1968-12-23 1971-02-02 Shell Oil Co Lactone polymerization process with particulate initiator
GB1051269A (it) * 1969-05-16
US4116887A (en) * 1972-10-03 1978-09-26 Societe Nationale Des Poudres Et Explosifs Antionic polymerization
GB1426747A (en) * 1972-10-03 1976-03-03 Poudres & Explosifs Ste Nale Anionic polymerization

Also Published As

Publication number Publication date
US3890278A (en) 1975-06-17
FR2201304B1 (it) 1977-05-27
SE407220B (sv) 1979-03-19
DE2348449B2 (de) 1977-12-15
RO63574A (fr) 1978-10-15
CH606124A5 (it) 1978-11-15
CS195265B2 (en) 1980-01-31
FR2201304A1 (it) 1974-04-26
NL7313518A (it) 1974-04-05
DD113015A5 (it) 1975-05-12
NL151720B (nl) 1976-12-15
DE2348449C3 (de) 1978-08-24
ES418955A1 (es) 1976-03-01
US4224429A (en) 1980-09-23
HU168288B (it) 1976-03-28
DE2348449A1 (de) 1974-05-02
CA1033888A (en) 1978-06-27
LU68547A1 (it) 1975-06-16
JPS5328948B2 (it) 1978-08-17
JPS49101498A (it) 1974-09-25
GB1426747A (en) 1976-03-03

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