BE835129A - Procede de separation et de purification de polymeres cycliques du chlorure phosphonitrilique - Google Patents
Procede de separation et de purification de polymeres cycliques du chlorure phosphonitriliqueInfo
- Publication number
- BE835129A BE835129A BE161477A BE161477A BE835129A BE 835129 A BE835129 A BE 835129A BE 161477 A BE161477 A BE 161477A BE 161477 A BE161477 A BE 161477A BE 835129 A BE835129 A BE 835129A
- Authority
- BE
- Belgium
- Prior art keywords
- purification
- separation
- cyclic polymers
- phosphonitrilic chloride
- phosphonitrilic
- Prior art date
Links
- PEJQKHLWXHKKGS-UHFFFAOYSA-N 2,2,4,4,6,6,8,8-octachloro-1,3,5,7-tetraza-2$l^{5},4$l^{5},6$l^{5},8$l^{5}-tetraphosphacycloocta-1,3,5,7-tetraene Chemical compound ClP1(Cl)=NP(Cl)(Cl)=NP(Cl)(Cl)=NP(Cl)(Cl)=N1 PEJQKHLWXHKKGS-UHFFFAOYSA-N 0.000 title 1
- 229920005565 cyclic polymer Polymers 0.000 title 1
- 238000000034 method Methods 0.000 title 1
- 238000000746 purification Methods 0.000 title 1
- 238000000926 separation method Methods 0.000 title 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07F—ACYCLIC, CARBOCYCLIC OR HETEROCYCLIC COMPOUNDS CONTAINING ELEMENTS OTHER THAN CARBON, HYDROGEN, HALOGEN, OXYGEN, NITROGEN, SULFUR, SELENIUM OR TELLURIUM
- C07F9/00—Compounds containing elements of Groups 5 or 15 of the Periodic Table
- C07F9/02—Phosphorus compounds
- C07F9/547—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom
- C07F9/6564—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms
- C07F9/6581—Heterocyclic compounds, e.g. containing phosphorus as a ring hetero atom having phosphorus atoms, with or without nitrogen, oxygen, sulfur, selenium or tellurium atoms, as ring hetero atoms having phosphorus and nitrogen atoms with or without oxygen or sulfur atoms, as ring hetero atoms
- C07F9/65812—Cyclic phosphazenes [P=N-]n, n>=3
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/097—Compounds containing nitrogen and non-metals and optionally metals containing phosphorus atoms
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01B—NON-METALLIC ELEMENTS; COMPOUNDS THEREOF; METALLOIDS OR COMPOUNDS THEREOF NOT COVERED BY SUBCLASS C01C
- C01B21/00—Nitrogen; Compounds thereof
- C01B21/082—Compounds containing nitrogen and non-metals and optionally metals
- C01B21/097—Compounds containing nitrogen and non-metals and optionally metals containing phosphorus atoms
- C01B21/098—Phosphonitrilic dihalides; Polymers thereof
- C01B21/0986—Phosphonitrilic dichlorides; Polymers thereof
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Inorganic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Life Sciences & Earth Sciences (AREA)
- Biochemistry (AREA)
- General Health & Medical Sciences (AREA)
- Molecular Biology (AREA)
- Polymers With Sulfur, Phosphorus Or Metals In The Main Chain (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US05/521,273 US3974261A (en) | 1974-11-06 | 1974-11-06 | Process for purification of phosphonitrilic chloride polymers |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| BE835129A true BE835129A (fr) | 1976-04-30 |
Family
ID=24076088
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| BE161477A BE835129A (fr) | 1974-11-06 | 1975-10-31 | Procede de separation et de purification de polymeres cycliques du chlorure phosphonitrilique |
Country Status (7)
| Country | Link |
|---|---|
| US (1) | US3974261A (xx) |
| JP (1) | JPS5169497A (xx) |
| BE (1) | BE835129A (xx) |
| CA (1) | CA1052979A (xx) |
| DE (1) | DE2549677C3 (xx) |
| FR (1) | FR2290449A1 (xx) |
| GB (1) | GB1525690A (xx) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS58130107A (ja) * | 1982-01-29 | 1983-08-03 | Shin Nisso Kako Co Ltd | ホスホニトリルクロライド類の精製方法 |
| DE4221854A1 (de) * | 1992-07-03 | 1994-01-05 | Nuenchritz Chemie Gmbh | Phosphornitridchloride enthaltende Zusammensetzungen und Verfahren zu deren Herstellung |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| NL295896A (xx) * | 1962-08-14 | |||
| NL295895A (xx) * | 1962-08-14 | |||
| NL298823A (xx) * | 1962-10-04 | |||
| GB1213716A (en) * | 1968-03-15 | 1970-11-25 | Albright & Wilson Mfg Ltd | Purification of phosphonitrilic chloride polymers |
| US3694171A (en) * | 1970-02-02 | 1972-09-26 | Hooker Chemical Corp | Method for purifying cyclic phosphonitrilic chlorides |
-
1974
- 1974-11-06 US US05/521,273 patent/US3974261A/en not_active Expired - Lifetime
-
1975
- 1975-10-21 CA CA238,077A patent/CA1052979A/en not_active Expired
- 1975-10-31 FR FR7533449A patent/FR2290449A1/fr active Granted
- 1975-10-31 BE BE161477A patent/BE835129A/xx not_active IP Right Cessation
- 1975-11-05 DE DE2549677A patent/DE2549677C3/de not_active Expired
- 1975-11-05 GB GB45950/75A patent/GB1525690A/en not_active Expired
- 1975-11-05 JP JP50132831A patent/JPS5169497A/ja active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| FR2290449B1 (xx) | 1979-05-11 |
| DE2549677C3 (de) | 1978-09-21 |
| JPS5169497A (en) | 1976-06-16 |
| JPS5427196B2 (xx) | 1979-09-08 |
| US3974261A (en) | 1976-08-10 |
| DE2549677A1 (de) | 1976-05-13 |
| FR2290449A1 (fr) | 1976-06-04 |
| CA1052979A (en) | 1979-04-24 |
| DE2549677B2 (de) | 1978-02-02 |
| GB1525690A (en) | 1978-09-20 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| RE | Patent lapsed |
Owner name: ETHYL CORP. Effective date: 19911031 |