IT999606B - Procedimento di polimerizzazione anicnica - Google Patents
Procedimento di polimerizzazione anicnicaInfo
- 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
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
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/06—Preparatory processes
- C08G77/08—Preparatory processes characterised by the catalysts used
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F36/00—Homopolymers and copolymers of compounds having one or more unsaturated aliphatic radicals, at least one having two or more carbon-to-carbon double bonds
- C08F36/02—Homopolymers 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
- C08F36/04—Homopolymers 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
- C08F4/00—Polymerisation catalysts
-
- 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
- C08G61/00—Macromolecular compounds obtained by reactions forming a carbon-to-carbon link in the main chain of the macromolecule
- C08G61/02—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes
- C08G61/10—Macromolecular compounds containing only carbon atoms in the main chain of the macromolecule, e.g. polyxylylenes only aromatic carbon atoms, e.g. polyphenylenes
-
- 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
- C08G65/2603—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 the other compounds containing oxygen
-
- 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
- C08G65/2651—Alkaline earth metals or compounds thereof
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)
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)
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 |
-
1973
- 1973-07-30 GB GB3625773A patent/GB1426747A/en not_active Expired
- 1973-09-19 CH CH1346773A patent/CH606124A5/xx not_active IP Right Cessation
- 1973-09-21 ES ES418955A patent/ES418955A1/es not_active Expired
- 1973-09-26 DE DE2348449A patent/DE2348449C3/de not_active Expired
- 1973-09-26 US US401119A patent/US3890278A/en not_active Expired - Lifetime
- 1973-09-28 CS CS736687A patent/CS195265B2/cs unknown
- 1973-09-29 RO RO7300076201A patent/RO63574A/ro unknown
- 1973-10-01 FR FR7335061A patent/FR2201304B1/fr not_active Expired
- 1973-10-02 DD DD173975A patent/DD113015A5/xx unknown
- 1973-10-02 NL NL737313518A patent/NL151720B/xx not_active IP Right Cessation
- 1973-10-02 CA CA182,437A patent/CA1033888A/en not_active Expired
- 1973-10-02 JP JP11025273A patent/JPS5328948B2/ja not_active Expired
- 1973-10-02 HU HUPO552A patent/HU168288B/hu unknown
- 1973-10-02 LU LU68547A patent/LU68547A1/xx unknown
- 1973-10-02 SE SE7313389A patent/SE407220B/xx unknown
- 1973-10-02 IT IT69894/73A patent/IT999606B/it active
-
1977
- 1977-08-11 US US05/823,590 patent/US4224429A/en not_active Expired - Lifetime
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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