RO91827B1 - Ferofluid pe baza de diester sebacic si procedeu de obtinere - Google Patents
Ferofluid pe baza de diester sebacic si procedeu de obtinereInfo
- Publication number
- RO91827B1 RO91827B1 RO114250A RO11425084A RO91827B1 RO 91827 B1 RO91827 B1 RO 91827B1 RO 114250 A RO114250 A RO 114250A RO 11425084 A RO11425084 A RO 11425084A RO 91827 B1 RO91827 B1 RO 91827B1
- Authority
- RO
- Romania
- Prior art keywords
- ferrofluid
- diester
- stabilized
- diesthers
- sebaceous
- Prior art date
Links
- 239000011554 ferrofluid Substances 0.000 title abstract 5
- YXFVVABEGXRONW-UHFFFAOYSA-N Toluene Chemical compound CC1=CC=CC=C1 YXFVVABEGXRONW-UHFFFAOYSA-N 0.000 abstract 3
- 150000005690 diesters Chemical class 0.000 abstract 2
- SZVJSHCCFOBDDC-UHFFFAOYSA-N ferrosoferric oxide Chemical compound O=[Fe]O[Fe]O[Fe]=O SZVJSHCCFOBDDC-UHFFFAOYSA-N 0.000 abstract 2
- 229920002367 Polyisobutene Polymers 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000013016 damping Methods 0.000 abstract 1
- MIMDHDXOBDPUQW-UHFFFAOYSA-N dioctyl decanedioate Chemical compound CCCCCCCCOC(=O)CCCCCCCCC(=O)OCCCCCCCC MIMDHDXOBDPUQW-UHFFFAOYSA-N 0.000 abstract 1
- 239000002270 dispersing agent Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000006249 magnetic particle Substances 0.000 abstract 1
- 150000002762 monocarboxylic acid derivatives Chemical class 0.000 abstract 1
- 239000012454 non-polar solvent Substances 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 239000003208 petroleum Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- 229910006297 γ-Fe2O3 Inorganic materials 0.000 abstract 1
Landscapes
- Colloid Chemistry (AREA)
- Soft Magnetic Materials (AREA)
Abstract
Inventia apartine de domeniul ferofluidelor, pe baza de diester suspensii coloidale ultrastabile de particule mah'gnetice subdomenice de Fe3O4 si gama-Fe2O3, stabilizate cu agentii specifici adsorbanti pe suprafata acestuia, suspendate într-un mediu lichid slab polar. Inventia permite obtinerea unui ferofluid pe baza de dioctilesebacat, foarte volatil, prin substituirea solventului nepolar al unui ferofluid de transfer pe baza de petrol, toluen etc. cu distersebacic concomitent cu redispersarea particulelor magnetice stabilizate cu un acid monocarboxilic C18, cu ajutorul unui dispersant suplimentar derivat al poliizobutilenei. Inventia se poate aplica în domeniul etansarilor magnetofluidice pentru vid înainte si al amortizarii cu ferofluid.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO114250A RO91827B1 (ro) | 1984-04-13 | 1984-04-13 | Ferofluid pe baza de diester sebacic si procedeu de obtinere |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO114250A RO91827B1 (ro) | 1984-04-13 | 1984-04-13 | Ferofluid pe baza de diester sebacic si procedeu de obtinere |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO91827A2 RO91827A2 (ro) | 1987-06-30 |
| RO91827B1 true RO91827B1 (ro) | 1987-07-01 |
Family
ID=20114743
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO114250A RO91827B1 (ro) | 1984-04-13 | 1984-04-13 | Ferofluid pe baza de diester sebacic si procedeu de obtinere |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO91827B1 (ro) |
-
1984
- 1984-04-13 RO RO114250A patent/RO91827B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO91827A2 (ro) | 1987-06-30 |
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