DE69107406T2 - Elektroviskose-Flüssigkeit. - Google Patents
Elektroviskose-Flüssigkeit.Info
- Publication number
- DE69107406T2 DE69107406T2 DE1991607406 DE69107406T DE69107406T2 DE 69107406 T2 DE69107406 T2 DE 69107406T2 DE 1991607406 DE1991607406 DE 1991607406 DE 69107406 T DE69107406 T DE 69107406T DE 69107406 T2 DE69107406 T2 DE 69107406T2
- Authority
- DE
- Germany
- Prior art keywords
- silica
- wet
- electroviscous
- fluid
- particles
- 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 - Fee Related
Links
- 239000007788 liquid Substances 0.000 title claims description 9
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N Silicium dioxide Chemical compound O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims description 100
- 239000012530 fluid Substances 0.000 claims description 48
- 239000002245 particle Substances 0.000 claims description 33
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 claims description 21
- 239000006185 dispersion Substances 0.000 claims description 8
- 150000002894 organic compounds Chemical class 0.000 claims description 7
- 239000007900 aqueous suspension Substances 0.000 claims description 6
- 125000002560 nitrile group Chemical group 0.000 claims description 6
- 230000006872 improvement Effects 0.000 claims description 3
- 239000000377 silicon dioxide Substances 0.000 description 37
- WEVYAHXRMPXWCK-UHFFFAOYSA-N Acetonitrile Chemical compound CC#N WEVYAHXRMPXWCK-UHFFFAOYSA-N 0.000 description 23
- 238000000034 method Methods 0.000 description 22
- 230000000694 effects Effects 0.000 description 19
- 230000008569 process Effects 0.000 description 11
- 239000000725 suspension Substances 0.000 description 10
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 8
- 150000002500 ions Chemical class 0.000 description 7
- 238000005259 measurement Methods 0.000 description 7
- -1 sodium ion Chemical class 0.000 description 7
- 125000003709 fluoroalkyl group Chemical group 0.000 description 6
- FKNQFGJONOIPTF-UHFFFAOYSA-N Sodium cation Chemical compound [Na+] FKNQFGJONOIPTF-UHFFFAOYSA-N 0.000 description 5
- 150000001875 compounds Chemical class 0.000 description 5
- 238000010438 heat treatment Methods 0.000 description 5
- 229920002545 silicone oil Polymers 0.000 description 5
- 229910001415 sodium ion Inorganic materials 0.000 description 5
- 150000005846 sugar alcohols Polymers 0.000 description 5
- 229910052757 nitrogen Inorganic materials 0.000 description 4
- QTBSBXVTEAMEQO-UHFFFAOYSA-N Acetic acid Chemical compound CC(O)=O QTBSBXVTEAMEQO-UHFFFAOYSA-N 0.000 description 3
- JFDZBHWFFUWGJE-UHFFFAOYSA-N benzonitrile Chemical compound N#CC1=CC=CC=C1 JFDZBHWFFUWGJE-UHFFFAOYSA-N 0.000 description 3
- 230000000052 comparative effect Effects 0.000 description 3
- 230000007423 decrease Effects 0.000 description 3
- 229920005645 diorganopolysiloxane polymer Polymers 0.000 description 3
- 229910052731 fluorine Inorganic materials 0.000 description 3
- 239000003921 oil Substances 0.000 description 3
- 229920001296 polysiloxane Polymers 0.000 description 3
- 235000019353 potassium silicate Nutrition 0.000 description 3
- NTHWMYGWWRZVTN-UHFFFAOYSA-N sodium silicate Chemical compound [Na+].[Na+].[O-][Si]([O-])=O NTHWMYGWWRZVTN-UHFFFAOYSA-N 0.000 description 3
- 239000007858 starting material Substances 0.000 description 3
- 230000004580 weight loss Effects 0.000 description 3
- YCKRFDGAMUMZLT-UHFFFAOYSA-N Fluorine atom Chemical compound [F] YCKRFDGAMUMZLT-UHFFFAOYSA-N 0.000 description 2
- 239000002253 acid Chemical group 0.000 description 2
- 230000002378 acidificating effect Effects 0.000 description 2
- XAGFODPZIPBFFR-UHFFFAOYSA-N aluminium Chemical compound [Al] XAGFODPZIPBFFR-UHFFFAOYSA-N 0.000 description 2
- 229910052782 aluminium Inorganic materials 0.000 description 2
- 230000015572 biosynthetic process Effects 0.000 description 2
- 238000011161 development Methods 0.000 description 2
- 239000004205 dimethyl polysiloxane Substances 0.000 description 2
- 238000001035 drying Methods 0.000 description 2
- 230000005684 electric field Effects 0.000 description 2
- 239000011737 fluorine Substances 0.000 description 2
- 230000005484 gravity Effects 0.000 description 2
- 125000002496 methyl group Chemical group [H]C([H])([H])* 0.000 description 2
- 229920000435 poly(dimethylsiloxane) Polymers 0.000 description 2
- 238000006116 polymerization reaction Methods 0.000 description 2
- 239000007787 solid Substances 0.000 description 2
- 239000011973 solid acid Substances 0.000 description 2
- 238000012360 testing method Methods 0.000 description 2
- 230000008719 thickening Effects 0.000 description 2
- DNIAPMSPPWPWGF-GSVOUGTGSA-N (R)-(-)-Propylene glycol Chemical compound C[C@@H](O)CO DNIAPMSPPWPWGF-GSVOUGTGSA-N 0.000 description 1
- PYGXAGIECVVIOZ-UHFFFAOYSA-N Dibutyl decanedioate Chemical compound CCCCOC(=O)CCCCCCCCC(=O)OCCCC PYGXAGIECVVIOZ-UHFFFAOYSA-N 0.000 description 1
- XUIMIQQOPSSXEZ-UHFFFAOYSA-N Silicon Chemical group [Si] XUIMIQQOPSSXEZ-UHFFFAOYSA-N 0.000 description 1
- 150000007960 acetonitrile Chemical class 0.000 description 1
- 230000009471 action Effects 0.000 description 1
- 125000000217 alkyl group Chemical group 0.000 description 1
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 description 1
- 125000003118 aryl group Chemical group 0.000 description 1
- 125000004432 carbon atom Chemical group C* 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 238000001816 cooling Methods 0.000 description 1
- 230000001419 dependent effect Effects 0.000 description 1
- 230000003292 diminished effect Effects 0.000 description 1
- 239000002612 dispersion medium Substances 0.000 description 1
- 238000010292 electrical insulation Methods 0.000 description 1
- 125000001495 ethyl group Chemical group [H]C([H])([H])C([H])([H])* 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 238000013213 extrapolation Methods 0.000 description 1
- 125000001153 fluoro group Chemical group F* 0.000 description 1
- AILKHAQXUAOOFU-UHFFFAOYSA-N hexanenitrile Chemical compound CCCCCC#N AILKHAQXUAOOFU-UHFFFAOYSA-N 0.000 description 1
- 125000001183 hydrocarbyl group Chemical group 0.000 description 1
- 239000001257 hydrogen Substances 0.000 description 1
- 229910052739 hydrogen Inorganic materials 0.000 description 1
- 125000004435 hydrogen atom Chemical group [H]* 0.000 description 1
- GPRLSGONYQIRFK-UHFFFAOYSA-N hydron Chemical compound [H+] GPRLSGONYQIRFK-UHFFFAOYSA-N 0.000 description 1
- 125000002887 hydroxy group Chemical group [H]O* 0.000 description 1
- 239000012535 impurity Substances 0.000 description 1
- 230000005764 inhibitory process Effects 0.000 description 1
- 239000010954 inorganic particle Substances 0.000 description 1
- 230000007246 mechanism Effects 0.000 description 1
- 239000002609 medium Substances 0.000 description 1
- 239000002480 mineral oil Substances 0.000 description 1
- 238000002156 mixing Methods 0.000 description 1
- DNIAPMSPPWPWGF-UHFFFAOYSA-N monopropylene glycol Natural products CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 description 1
- 125000001624 naphthyl group Chemical group 0.000 description 1
- 239000011236 particulate material Substances 0.000 description 1
- 125000001997 phenyl group Chemical group [H]C1=C([H])C([H])=C(*)C([H])=C1[H] 0.000 description 1
- SUSQOBVLVYHIEX-UHFFFAOYSA-N phenylacetonitrile Chemical compound N#CCC1=CC=CC=C1 SUSQOBVLVYHIEX-UHFFFAOYSA-N 0.000 description 1
- 230000010287 polarization Effects 0.000 description 1
- FVSKHRXBFJPNKK-UHFFFAOYSA-N propionitrile Chemical compound CCC#N FVSKHRXBFJPNKK-UHFFFAOYSA-N 0.000 description 1
- 125000001436 propyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])[H] 0.000 description 1
- 235000013772 propylene glycol Nutrition 0.000 description 1
- 238000011160 research Methods 0.000 description 1
- 230000004044 response Effects 0.000 description 1
- 238000004062 sedimentation Methods 0.000 description 1
- 239000000741 silica gel Substances 0.000 description 1
- 229910002027 silica gel Inorganic materials 0.000 description 1
- 229910052710 silicon Inorganic materials 0.000 description 1
- 238000001694 spray drying Methods 0.000 description 1
- 238000003756 stirring Methods 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- IAHFWCOBPZCAEA-UHFFFAOYSA-N succinonitrile Chemical compound N#CCCC#N IAHFWCOBPZCAEA-UHFFFAOYSA-N 0.000 description 1
- 238000003786 synthesis reaction Methods 0.000 description 1
- 239000000454 talc Substances 0.000 description 1
- 229910052623 talc Inorganic materials 0.000 description 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C10—PETROLEUM, GAS OR COKE INDUSTRIES; TECHNICAL GASES CONTAINING CARBON MONOXIDE; FUELS; LUBRICANTS; PEAT
- C10M—LUBRICATING COMPOSITIONS; USE OF CHEMICAL SUBSTANCES EITHER ALONE OR AS LUBRICATING INGREDIENTS IN A LUBRICATING COMPOSITION
- C10M171/00—Lubricating compositions characterised by purely physical criteria, e.g. containing as base-material, thickener or additive, ingredients which are characterised exclusively by their numerically specified physical properties, i.e. containing ingredients which are physically well-defined but for which the chemical nature is either unspecified or only very vaguely indicated
- C10M171/001—Electrorheological fluids; smart fluids
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Oil, Petroleum & Natural Gas (AREA)
- Organic Chemistry (AREA)
- Lubricants (AREA)
- Tires In General (AREA)
- Detergent Compositions (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP29101090A JPH04164996A (ja) | 1990-10-29 | 1990-10-29 | 電気粘性液体 |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| DE69107406D1 DE69107406D1 (de) | 1995-03-23 |
| DE69107406T2 true DE69107406T2 (de) | 1995-07-20 |
Family
ID=17763291
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE1991607406 Expired - Fee Related DE69107406T2 (de) | 1990-10-29 | 1991-10-29 | Elektroviskose-Flüssigkeit. |
Country Status (4)
| Country | Link |
|---|---|
| EP (1) | EP0483774B1 (fr) |
| JP (1) | JPH04164996A (fr) |
| CA (1) | CA2054433A1 (fr) |
| DE (1) | DE69107406T2 (fr) |
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002077370A1 (fr) | 2001-03-28 | 2002-10-03 | Matthias Hahn | Procede permettant d'eliminer une nappe de petrole ou equivalent d'une surface d'eau et dispositif correspondant |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO1994005749A1 (fr) * | 1992-09-09 | 1994-03-17 | Lord Corporation | Materiaux electrorheologiques a resistance elevee et faible conductivite |
| WO1995004121A1 (fr) * | 1993-07-29 | 1995-02-09 | Lord Corporation | Matieres electrorheologiques a haute resistance et faible conductivite |
| DE69512328T2 (de) * | 1994-01-31 | 2000-01-20 | Tonen Corp., Tokio/Tokyo | Elektrovisköses fluid |
| FI122069B (fi) * | 2006-05-24 | 2011-08-15 | Kemira Oyj | Menetelmä happosilikaattiliuoksen valmistamiseksi |
| JP5233343B2 (ja) * | 2008-03-18 | 2013-07-10 | 凸版印刷株式会社 | 防眩性積層体の製造方法 |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1488158A (fr) * | 1965-08-02 | 1967-07-07 | Textron Electronics | Compositions électrovisqueuses perfectionnées |
| GB2210893A (en) * | 1987-10-12 | 1989-06-21 | American Cyanamid Co | Electrorheological fluids |
| EP0342041B1 (fr) * | 1988-05-12 | 1993-08-18 | Toa Nenryo Kogyo Kabushiki Kaisha | Fluides électrorhéologiques |
| JPH02164438A (ja) * | 1988-12-17 | 1990-06-25 | Bridgestone Corp | 電気粘性液体 |
-
1990
- 1990-10-29 JP JP29101090A patent/JPH04164996A/ja active Pending
-
1991
- 1991-10-29 CA CA 2054433 patent/CA2054433A1/fr not_active Abandoned
- 1991-10-29 DE DE1991607406 patent/DE69107406T2/de not_active Expired - Fee Related
- 1991-10-29 EP EP19910118452 patent/EP0483774B1/fr not_active Expired - Lifetime
Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2002077370A1 (fr) | 2001-03-28 | 2002-10-03 | Matthias Hahn | Procede permettant d'eliminer une nappe de petrole ou equivalent d'une surface d'eau et dispositif correspondant |
Also Published As
| Publication number | Publication date |
|---|---|
| JPH04164996A (ja) | 1992-06-10 |
| DE69107406D1 (de) | 1995-03-23 |
| CA2054433A1 (fr) | 1992-04-30 |
| EP0483774A1 (fr) | 1992-05-06 |
| EP0483774B1 (fr) | 1995-02-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8364 | No opposition during term of opposition | ||
| 8339 | Ceased/non-payment of the annual fee |