ZA893618B - Process for the production of perfluoropolyethers substantially constituted by perfluorooxyethylene and perfluoroxypropylene units - Google Patents
Process for the production of perfluoropolyethers substantially constituted by perfluorooxyethylene and perfluoroxypropylene unitsInfo
- Publication number
- ZA893618B ZA893618B ZA893618A ZA893618A ZA893618B ZA 893618 B ZA893618 B ZA 893618B ZA 893618 A ZA893618 A ZA 893618A ZA 893618 A ZA893618 A ZA 893618A ZA 893618 B ZA893618 B ZA 893618B
- Authority
- ZA
- South Africa
- Prior art keywords
- perfluoroxypropylene
- perfluorooxyethylene
- perfluoropolyethers
- units
- production
- 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
- C08G65/00—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule
-
- 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
- C08G65/32—Polymers modified by chemical after-treatment
- C08G65/321—Polymers modified by chemical after-treatment with inorganic compounds
- C08G65/323—Polymers modified by chemical after-treatment with inorganic compounds containing halogens
- C08G65/3233—Molecular halogen
- C08G65/3236—Fluorine
-
- 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
- C08G65/002—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds
- C08G65/005—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens
- C08G65/007—Macromolecular compounds obtained by reactions forming an ether link in the main chain of the macromolecule from unsaturated compounds containing halogens containing fluorine
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Polyethers (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT20649/88A IT1217658B (it) | 1988-05-20 | 1988-05-20 | Processo perfezionato per la produzione di perfluoropolieteri costituiti sostanzialmente da unita' perfludossietilenche e perfluoroossipropileniche |
Publications (1)
Publication Number | Publication Date |
---|---|
ZA893618B true ZA893618B (en) | 1990-09-26 |
Family
ID=11170039
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
ZA893618A ZA893618B (en) | 1988-05-20 | 1989-05-15 | Process for the production of perfluoropolyethers substantially constituted by perfluorooxyethylene and perfluoroxypropylene units |
Country Status (13)
Country | Link |
---|---|
US (1) | US5000830A (it) |
EP (1) | EP0344547B1 (it) |
JP (1) | JP2941305B2 (it) |
KR (1) | KR0127671B1 (it) |
AU (1) | AU615062B2 (it) |
CA (1) | CA1338402C (it) |
CZ (1) | CZ281859B6 (it) |
DE (1) | DE68924498T2 (it) |
IL (1) | IL90312A (it) |
IT (1) | IT1217658B (it) |
RU (1) | RU1838336C (it) |
UA (1) | UA18252A (it) |
ZA (1) | ZA893618B (it) |
Families Citing this family (26)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1229845B (it) * | 1989-04-20 | 1991-09-13 | Ausimont Srl | Procedimento per la preparazione di perfluoropolieteri perossidici. |
IT1237887B (it) * | 1989-12-12 | 1993-06-18 | Ausimont Spa | Lubrificanti perfluoropolieterei aventi proprieta' antiusura |
US5237108A (en) * | 1990-03-06 | 1993-08-17 | Ausimont S.R.L. | Perfluoropolyethers and processes for their preparation |
JPH07121881B2 (ja) * | 1991-03-26 | 1995-12-25 | 信越化学工業株式会社 | 含フッ素有機基を有するエチレン化合物に含まれるヨウ素を除去する方法 |
IT1249319B (it) * | 1991-04-26 | 1995-02-22 | Ausimont Spa | Perfluoropolieteri ad elevata viscosita' e basso contenuto di ossigeno perossidico, e procedimento per la loro preparazione |
US5807977A (en) * | 1992-07-10 | 1998-09-15 | Aerojet General Corporation | Polymers and prepolymers from mono-substituted fluorinated oxetane monomers |
ES2131143T3 (es) * | 1993-12-01 | 1999-07-16 | Ausimont Spa | Grasas a base de aceites minerales o sinteticos hidrogenados con propiedades mejoradas. |
US5674951A (en) * | 1994-05-20 | 1997-10-07 | Gencorp Inc. | Abrasion-resistant and low friction coating compositions |
US5543200A (en) * | 1994-12-19 | 1996-08-06 | Gencorp Inc. | Abrasion-resistant article coated with a coating compositions based on fluorinated monohydric alcohol |
AU6095100A (en) | 1999-07-16 | 2001-02-05 | Aerojet-General Corporation | Amorphous polyether glycols based on bis-substituted oxetane monomers |
US6753301B2 (en) * | 2000-07-19 | 2004-06-22 | E. I. Du Pont De Nemours And Company | Thermally stable perfluoropolyethers and processes therefor and therewith |
US7232932B2 (en) * | 2001-07-10 | 2007-06-19 | E. I. Du Pont De Nemours And Company | Thermally stable perfluoropolyethers and processes therefor and therewith |
EP1306417B1 (en) * | 2001-10-23 | 2012-08-01 | Solvay Specialty Polymers Italy S.p.A. | Use of fluorinated liquids for the heat exchange or as working fluids in the presence of ionizing radiations and/or irradiation with neutrons |
ITMI20020513A1 (it) * | 2002-03-12 | 2003-09-12 | Ausimont Spa | Estrazione liquido-liquido di sostanze organiche polari dalle loro soluzione acquose con liquidi estraenti fluorurati |
ITMI20021277A1 (it) * | 2002-06-11 | 2003-12-11 | Ausimont Spa | Perfluoropolieteri comprendenti unita' ripetitive ottenute dall'ossidazione di perfluorodiossoli |
US20050164522A1 (en) * | 2003-03-24 | 2005-07-28 | Kunz Roderick R. | Optical fluids, and systems and methods of making and using the same |
JP2007271056A (ja) * | 2006-03-31 | 2007-10-18 | Nsk Ltd | ハードディスクドライブ装置のアクチュエータ用転がり軸受及び軸受ユニット |
ITMI20062306A1 (it) * | 2006-11-30 | 2008-06-01 | Solvay Solexis Spa | Lubrificanti fluorurati |
US8258090B2 (en) * | 2006-11-30 | 2012-09-04 | Solvay Solexis S.P.A. | Fluorinated lubricants |
EP1980583A1 (en) * | 2007-04-10 | 2008-10-15 | Solvay Solexis S.p.A. | A method for preparing carbonylic perfluoropolyethers |
WO2009019243A1 (en) * | 2007-08-07 | 2009-02-12 | Solvay Solexis S.P.A. | Modification of carbonaceous materials |
EP2100909A1 (en) | 2008-03-14 | 2009-09-16 | Solvay Solexis S.p.A. | (Per)fluorinated addition products |
JP5854840B2 (ja) | 2008-12-05 | 2016-02-09 | ソルヴェイ・スペシャルティ・ポリマーズ・イタリー・エッセ・ピ・ア | 多官能性(パー)フルオロポリエーテル |
CN103724559B (zh) * | 2013-12-17 | 2016-08-17 | 中昊晨光化工研究院有限公司 | 一种由全氟聚醚过氧化物合成全氟聚醚的方法 |
CN110903056B (zh) * | 2018-09-18 | 2022-04-01 | 武汉源锦商品混凝土有限公司 | 一种高强度自密实清水混凝土及其制备方法 |
CN110433743A (zh) * | 2019-06-30 | 2019-11-12 | 天津市长芦化工新材料有限公司 | 全氟异丁酰氟的制备装置 |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL6709067A (it) * | 1964-04-09 | 1968-01-08 | ||
US3665041A (en) * | 1967-04-04 | 1972-05-23 | Montedison Spa | Perfluorinated polyethers and process for their preparation |
JPS507054A (it) * | 1973-05-22 | 1975-01-24 | ||
AU579374B2 (en) * | 1984-05-23 | 1988-11-24 | Ausimont S.R.L. | Process for preparing perfluoropolyethers with neutral and functional end-groups, having a regulated molecular weight |
US4664766A (en) * | 1985-02-13 | 1987-05-12 | Montedison S.P.A. | Photochemical process for neutralizing perfluoropolyethers |
IT1185518B (it) * | 1985-02-22 | 1987-11-12 | Montefluos Spa | Ottenimento di perfluoropolieteri a peso molecolare controllato dal prodotto di ossidazione fotochimica del c2f4 |
-
1988
- 1988-05-20 IT IT20649/88A patent/IT1217658B/it active
-
1989
- 1989-05-15 AU AU34811/89A patent/AU615062B2/en not_active Ceased
- 1989-05-15 CA CA000599650A patent/CA1338402C/en not_active Expired - Fee Related
- 1989-05-15 ZA ZA893618A patent/ZA893618B/xx unknown
- 1989-05-16 IL IL90312A patent/IL90312A/xx not_active IP Right Cessation
- 1989-05-16 CZ CS892936A patent/CZ281859B6/cs unknown
- 1989-05-17 US US07/352,987 patent/US5000830A/en not_active Expired - Lifetime
- 1989-05-19 UA UA4614079A patent/UA18252A/uk unknown
- 1989-05-19 EP EP89109067A patent/EP0344547B1/en not_active Expired - Lifetime
- 1989-05-19 RU SU894614079A patent/RU1838336C/ru active
- 1989-05-19 DE DE68924498T patent/DE68924498T2/de not_active Expired - Lifetime
- 1989-05-20 KR KR1019890006802A patent/KR0127671B1/ko not_active IP Right Cessation
- 1989-05-20 JP JP1127726A patent/JP2941305B2/ja not_active Expired - Lifetime
Also Published As
Publication number | Publication date |
---|---|
CZ293689A3 (en) | 1996-10-16 |
AU615062B2 (en) | 1991-09-19 |
DE68924498D1 (de) | 1995-11-16 |
UA18252A (uk) | 1997-12-25 |
IL90312A (en) | 1993-01-31 |
EP0344547A3 (en) | 1990-06-20 |
JP2941305B2 (ja) | 1999-08-25 |
IT1217658B (it) | 1990-03-30 |
US5000830A (en) | 1991-03-19 |
EP0344547B1 (en) | 1995-10-11 |
KR0127671B1 (ko) | 1998-04-03 |
CZ281859B6 (cs) | 1997-03-12 |
AU3481189A (en) | 1989-11-23 |
CA1338402C (en) | 1996-06-18 |
IT8820649A0 (it) | 1988-05-20 |
JPH0243219A (ja) | 1990-02-13 |
KR890017219A (ko) | 1989-12-15 |
EP0344547A2 (en) | 1989-12-06 |
RU1838336C (ru) | 1993-08-30 |
DE68924498T2 (de) | 1996-04-11 |
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