FR1243668A - Procédé de préparation de polyacétals - Google Patents
Procédé de préparation de polyacétalsInfo
- Publication number
- FR1243668A FR1243668A FR814014A FR814014A FR1243668A FR 1243668 A FR1243668 A FR 1243668A FR 814014 A FR814014 A FR 814014A FR 814014 A FR814014 A FR 814014A FR 1243668 A FR1243668 A FR 1243668A
- Authority
- FR
- France
- Prior art keywords
- polyacetals
- preparing
- preparing polyacetals
- Prior art date
- Legal status (The legal status 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 status listed.)
- Expired
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
- C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
- C08G2/10—Polymerisation of cyclic oligomers of formaldehyde
-
- 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
- C08G2/00—Addition polymers of aldehydes or cyclic oligomers thereof or of ketones; Addition copolymers thereof with less than 50 molar percent of other substances
- C08G2/06—Catalysts
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
DEF0027341 | 1958-12-23 | ||
DEF0027580 | 1959-01-27 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1243668A true FR1243668A (fr) | 1960-10-14 |
Family
ID=25974199
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR814014A Expired FR1243668A (fr) | 1958-12-23 | 1959-12-23 | Procédé de préparation de polyacétals |
Country Status (8)
Country | Link |
---|---|
US (1) | US3316217A (fr) |
BE (1) | BE585980A (fr) |
CH (1) | CH469037A (fr) |
DE (2) | DE1420426B2 (fr) |
FR (1) | FR1243668A (fr) |
GB (1) | GB943684A (fr) |
NL (4) | NL6714482A (fr) |
SE (3) | SE324240C (fr) |
Cited By (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1161421B (de) * | 1961-05-06 | 1964-01-16 | Hoechst Ag | Verfahren zur kontinuierlichen Polymerisation von Trioxan oder zur Mischpolymerisation von Trioxan mit anderen Comonomeren |
US3197438A (en) * | 1961-01-16 | 1965-07-27 | Grace W R & Co | Polymerization and co-polymerization of trioxane in inert solvents |
DE1198558B (de) * | 1961-11-14 | 1965-08-12 | Dynamit Nobel Ag | Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen |
DE1201059B (de) * | 1962-03-15 | 1965-09-16 | Masataka Amagasa | Verfahren zur Herstellung von Polyoxy-methylenen |
US3207726A (en) * | 1960-06-16 | 1965-09-21 | Jaffe Fred | Preparing trioxane epoxide copolymers with trialkyloxonium catalysts |
US3210297A (en) * | 1959-07-30 | 1965-10-05 | Hoechst Ag | Method for polymerizing cyclic ethers and cyclic acetals in the presence of boron trifluoride |
US3219631A (en) * | 1960-11-15 | 1965-11-23 | Hoechst Ag | Copolymers of cyclic acetals with oxacyclopropane or oxacyclobutane or the derivatives thereof and process for preparing said copolymers |
US3236784A (en) * | 1959-07-30 | 1966-02-22 | Hoechst Ag | Polymerization of cyclic ethers by diazonium salts of perchloric or perfluorocarboxylic acids |
US3252938A (en) * | 1961-03-04 | 1966-05-24 | Dynamit Nobel Ag | Process for the production of polyoxymethylenes |
US3275602A (en) * | 1960-07-16 | 1966-09-27 | Hoechst Ag | Apparatus and method for the semicontinuous or continuous polymerization of solid trioxane |
DE1570295B1 (de) * | 1964-07-31 | 1973-02-01 | British Industrial Plastics | Verfahren zur Herstellung von Homo oder Copolymerisaten von cycli sehen Athern oder von cyclischen Acetalen |
EP0254535A2 (fr) * | 1986-07-22 | 1988-01-27 | Hoechst Celanese Corporation | Procédé de préparation de polyoxyméthylènes utilisant du trifluorure de bore et nitrogène |
Families Citing this family (9)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL271115A (fr) * | 1960-11-12 | |||
DE1244406B (de) * | 1963-07-08 | 1967-07-13 | Asahi Chemical Ind | Verfahren zur Herstellung von Polyoxymethylenen |
US3418283A (en) * | 1964-05-28 | 1968-12-24 | Ethyl Corp | Process for preparing polyoxymethylene interpolymers |
NL135320C (fr) * | 1964-07-31 | British Industrial Plastics | ||
NL128823C (fr) * | 1964-09-01 | |||
DE1595507B2 (de) * | 1966-06-10 | 1970-11-05 | Deutsche Gold- Und Silber-Scheideanstalt Vormals Roessler, 6000 Frankfurt | Verfahren zur Herstellung von faserförmigen Polyoxymethylene^ |
DE1595435A1 (de) * | 1966-07-27 | 1970-04-30 | Huels Chemische Werke Ag | Verfahren zur Herstellung thermisch stabiler Polyoxymethylene |
US3519696A (en) * | 1966-12-30 | 1970-07-07 | Hoechst Ag | Process for preparing copolymers of trioxane |
US3862090A (en) * | 1971-06-28 | 1975-01-21 | Celanese Corp | Process for producing oxymethylene copolymers |
Family Cites Families (7)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US2795571A (en) * | 1956-04-17 | 1957-06-11 | Du Pont | Catalytic process for polymerizing trioxane to tough, high molecular weight polyoxymethylene |
US2947728A (en) * | 1957-10-21 | 1960-08-02 | Celanese Corp | Catalytic polymerization of trioxane |
US2936298A (en) * | 1957-10-21 | 1960-05-10 | Celanese Corp | Stabilized polymers |
US2989505A (en) * | 1957-10-21 | 1961-06-20 | Celanese Corp | Suspension polymerization |
US2989509A (en) * | 1957-10-21 | 1961-06-20 | Celanese Corp | Trioxane polymer stabilization |
US2989511A (en) * | 1958-12-23 | 1961-06-20 | Celanese Corp | Catalytic polymerization of trioxane |
US3030338A (en) * | 1959-01-26 | 1962-04-17 | Robert S Aries | Polymerization of formaldehyde |
-
0
- NL NL246741D patent/NL246741A/xx unknown
- NL NL130561D patent/NL130561C/xx active
- BE BE585980D patent/BE585980A/xx unknown
-
1958
- 1958-12-23 DE DE19581420426 patent/DE1420426B2/de active Pending
-
1959
- 1959-01-27 DE DE19591420430 patent/DE1420430B2/de active Pending
- 1959-12-18 CH CH8200959A patent/CH469037A/de unknown
- 1959-12-21 US US860739A patent/US3316217A/en not_active Expired - Lifetime
- 1959-12-23 FR FR814014A patent/FR1243668A/fr not_active Expired
- 1959-12-23 GB GB43779/59A patent/GB943684A/en not_active Expired
-
1965
- 1965-11-05 SE SE1431165A patent/SE324240C/xx unknown
- 1965-11-05 SE SE14312/65A patent/SE320505B/xx unknown
-
1967
- 1967-10-25 NL NL6714482A patent/NL6714482A/xx unknown
- 1967-10-25 NL NL6714483A patent/NL6714483A/xx unknown
-
1969
- 1969-10-17 SE SE14293/69A patent/SE324455B/xx unknown
Cited By (13)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3236784A (en) * | 1959-07-30 | 1966-02-22 | Hoechst Ag | Polymerization of cyclic ethers by diazonium salts of perchloric or perfluorocarboxylic acids |
US3210297A (en) * | 1959-07-30 | 1965-10-05 | Hoechst Ag | Method for polymerizing cyclic ethers and cyclic acetals in the presence of boron trifluoride |
US3207726A (en) * | 1960-06-16 | 1965-09-21 | Jaffe Fred | Preparing trioxane epoxide copolymers with trialkyloxonium catalysts |
US3275602A (en) * | 1960-07-16 | 1966-09-27 | Hoechst Ag | Apparatus and method for the semicontinuous or continuous polymerization of solid trioxane |
US3219631A (en) * | 1960-11-15 | 1965-11-23 | Hoechst Ag | Copolymers of cyclic acetals with oxacyclopropane or oxacyclobutane or the derivatives thereof and process for preparing said copolymers |
US3197438A (en) * | 1961-01-16 | 1965-07-27 | Grace W R & Co | Polymerization and co-polymerization of trioxane in inert solvents |
US3252938A (en) * | 1961-03-04 | 1966-05-24 | Dynamit Nobel Ag | Process for the production of polyoxymethylenes |
DE1161421B (de) * | 1961-05-06 | 1964-01-16 | Hoechst Ag | Verfahren zur kontinuierlichen Polymerisation von Trioxan oder zur Mischpolymerisation von Trioxan mit anderen Comonomeren |
DE1198558B (de) * | 1961-11-14 | 1965-08-12 | Dynamit Nobel Ag | Verfahren zur Herstellung von hochmolekularen Polyoxymethylenen |
DE1201059B (de) * | 1962-03-15 | 1965-09-16 | Masataka Amagasa | Verfahren zur Herstellung von Polyoxy-methylenen |
DE1570295B1 (de) * | 1964-07-31 | 1973-02-01 | British Industrial Plastics | Verfahren zur Herstellung von Homo oder Copolymerisaten von cycli sehen Athern oder von cyclischen Acetalen |
EP0254535A2 (fr) * | 1986-07-22 | 1988-01-27 | Hoechst Celanese Corporation | Procédé de préparation de polyoxyméthylènes utilisant du trifluorure de bore et nitrogène |
EP0254535A3 (fr) * | 1986-07-22 | 1989-03-29 | Hoechst Celanese Corporation | Procédé de préparation de polyoxyméthylènes utilisant du trifluorure de bore et nitrogène |
Also Published As
Publication number | Publication date |
---|---|
NL6714483A (fr) | 1968-01-25 |
BE585980A (fr) | |
NL246741A (fr) | |
DE1420430A1 (de) | 1969-02-06 |
US3316217A (en) | 1967-04-25 |
DE1420430B2 (de) | 1972-05-18 |
SE324240C (sv) | 1974-01-28 |
NL130561C (fr) | |
SE324455B (fr) | 1970-06-01 |
SE324240B (sv) | 1970-05-25 |
SE320505B (fr) | 1970-02-09 |
DE1420426B2 (de) | 1970-06-11 |
CH469037A (de) | 1969-02-28 |
DE1420426A1 (de) | 1969-02-06 |
NL6714482A (fr) | 1968-01-25 |
GB943684A (en) | 1963-12-04 |
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