DE3001602A1 - Verfahren und vorrichtung zur bestimmung der anstiegsgeschwindigkeit eines aufschaeumenden polymerschaumgemisches - Google Patents
Verfahren und vorrichtung zur bestimmung der anstiegsgeschwindigkeit eines aufschaeumenden polymerschaumgemischesInfo
- Publication number
- DE3001602A1 DE3001602A1 DE19803001602 DE3001602A DE3001602A1 DE 3001602 A1 DE3001602 A1 DE 3001602A1 DE 19803001602 DE19803001602 DE 19803001602 DE 3001602 A DE3001602 A DE 3001602A DE 3001602 A1 DE3001602 A1 DE 3001602A1
- Authority
- DE
- Germany
- Prior art keywords
- foam
- reaction mixture
- vessel
- rise
- output signals
- 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.)
- Withdrawn
Links
- 239000006260 foam Substances 0.000 title claims description 62
- 238000000034 method Methods 0.000 title claims description 32
- 239000000203 mixture Substances 0.000 title claims description 27
- 238000005187 foaming Methods 0.000 title claims description 17
- 229920000642 polymer Polymers 0.000 title description 10
- 239000011541 reaction mixture Substances 0.000 claims description 15
- 238000002592 echocardiography Methods 0.000 claims description 7
- 150000001336 alkenes Chemical class 0.000 claims 1
- 239000000376 reactant Substances 0.000 description 9
- 238000012360 testing method Methods 0.000 description 5
- 238000004519 manufacturing process Methods 0.000 description 4
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 description 3
- 238000006243 chemical reaction Methods 0.000 description 3
- 238000010586 diagram Methods 0.000 description 3
- 229920001228 polyisocyanate Polymers 0.000 description 3
- 239000005056 polyisocyanate Substances 0.000 description 3
- 229920000582 polyisocyanurate Polymers 0.000 description 3
- 239000011495 polyisocyanurate Substances 0.000 description 3
- 229920002635 polyurethane Polymers 0.000 description 3
- 239000004814 polyurethane Substances 0.000 description 3
- 230000000630 rising effect Effects 0.000 description 3
- CURLTUGMZLYLDI-UHFFFAOYSA-N Carbon dioxide Chemical compound O=C=O CURLTUGMZLYLDI-UHFFFAOYSA-N 0.000 description 2
- 230000001174 ascending effect Effects 0.000 description 2
- 239000003054 catalyst Substances 0.000 description 2
- 238000011835 investigation Methods 0.000 description 2
- 239000007788 liquid Substances 0.000 description 2
- 239000000463 material Substances 0.000 description 2
- 229920005862 polyol Polymers 0.000 description 2
- 150000003077 polyols Chemical class 0.000 description 2
- 230000008569 process Effects 0.000 description 2
- 238000012545 processing Methods 0.000 description 2
- 230000009257 reactivity Effects 0.000 description 2
- 238000011160 research Methods 0.000 description 2
- 230000004043 responsiveness Effects 0.000 description 2
- 239000000126 substance Substances 0.000 description 2
- 238000010998 test method Methods 0.000 description 2
- 230000000007 visual effect Effects 0.000 description 2
- 238000011179 visual inspection Methods 0.000 description 2
- 239000004604 Blowing Agent Substances 0.000 description 1
- 230000005540 biological transmission Effects 0.000 description 1
- 239000013590 bulk material Substances 0.000 description 1
- 239000001569 carbon dioxide Substances 0.000 description 1
- 229910002092 carbon dioxide Inorganic materials 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000007795 chemical reaction product Substances 0.000 description 1
- 239000000470 constituent Substances 0.000 description 1
- 229920001971 elastomer Polymers 0.000 description 1
- 238000002474 experimental method Methods 0.000 description 1
- 230000006872 improvement Effects 0.000 description 1
- 230000003993 interaction Effects 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
- 238000012544 monitoring process Methods 0.000 description 1
- 150000002989 phenols Chemical class 0.000 description 1
- 239000004033 plastic Substances 0.000 description 1
- 229920003023 plastic Polymers 0.000 description 1
- 229920002959 polymer blend Polymers 0.000 description 1
- 239000007787 solid Substances 0.000 description 1
Classifications
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N33/00—Investigating or analysing materials by specific methods not covered by groups G01N1/00 - G01N31/00
- G01N33/44—Resins; Plastics; Rubber; Leather
- G01N33/442—Resins; Plastics
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01F—MEASURING VOLUME, VOLUME FLOW, MASS FLOW OR LIQUID LEVEL; METERING BY VOLUME
- G01F23/00—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm
- G01F23/22—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water
- G01F23/28—Indicating or measuring liquid level or level of fluent solid material, e.g. indicating in terms of volume or indicating by means of an alarm by measuring physical variables, other than linear dimensions, pressure or weight, dependent on the level to be measured, e.g. by difference of heat transfer of steam or water by measuring the variations of parameters of electromagnetic or acoustic waves applied directly to the liquid or fluent solid material
- G01F23/296—Acoustic waves
- G01F23/2962—Measuring transit time of reflected waves
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C44/00—Shaping by internal pressure generated in the material, e.g. swelling or foaming ; Producing porous or cellular expanded plastics articles
- B29C44/34—Auxiliary operations
- B29C44/60—Measuring, controlling or regulating
-
- G—PHYSICS
- G01—MEASURING; TESTING
- G01N—INVESTIGATING OR ANALYSING MATERIALS BY DETERMINING THEIR CHEMICAL OR PHYSICAL PROPERTIES
- G01N2291/00—Indexing codes associated with group G01N29/00
- G01N2291/02—Indexing codes associated with the analysed material
- G01N2291/028—Material parameters
- G01N2291/02836—Flow rate, liquid level
Landscapes
- Physics & Mathematics (AREA)
- Life Sciences & Earth Sciences (AREA)
- Chemical & Material Sciences (AREA)
- General Physics & Mathematics (AREA)
- Health & Medical Sciences (AREA)
- Biochemistry (AREA)
- Medicinal Chemistry (AREA)
- Analytical Chemistry (AREA)
- Food Science & Technology (AREA)
- General Health & Medical Sciences (AREA)
- Engineering & Computer Science (AREA)
- Immunology (AREA)
- Pathology (AREA)
- Acoustics & Sound (AREA)
- Electromagnetism (AREA)
- Thermal Sciences (AREA)
- Fluid Mechanics (AREA)
- Investigating Or Analyzing Materials By The Use Of Ultrasonic Waves (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US416479A | 1979-01-17 | 1979-01-17 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| DE3001602A1 true DE3001602A1 (de) | 1980-07-31 |
Family
ID=21709490
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| DE19803001602 Withdrawn DE3001602A1 (de) | 1979-01-17 | 1980-01-17 | Verfahren und vorrichtung zur bestimmung der anstiegsgeschwindigkeit eines aufschaeumenden polymerschaumgemisches |
Country Status (4)
| Country | Link |
|---|---|
| CH (1) | CH644692A5 (US06420036-20020716-C00037.png) |
| DE (1) | DE3001602A1 (US06420036-20020716-C00037.png) |
| FR (1) | FR2447030A1 (US06420036-20020716-C00037.png) |
| NL (1) | NL8000321A (US06420036-20020716-C00037.png) |
Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4004683A1 (de) * | 1990-02-15 | 1991-08-22 | Egner Siegfried | Vorrichtung zur begrenzung des abflusses eines wasserbeckens |
| DE4220714A1 (de) * | 1991-06-25 | 1993-01-07 | Olympus Optical Co | Ultraschallfluessigkeitsniveauindikator |
| DE4243172A1 (de) * | 1992-12-19 | 1994-06-30 | Kleine Franz Maschf | Verfahren und Vorrichtung zur Bestimmung des Bodenabstandes einer Ultraschalleinrichtung |
| DE10208952A1 (de) * | 2002-02-28 | 2003-09-18 | Bayer Ag | Screeningverfahren zur Herstellung und Charakterisierung von Polyurethan-Schaumstoffen |
| DE102013013386A1 (de) * | 2013-08-10 | 2015-02-26 | Format Messtechnik Gmbh | Vorrichtung und Verfahren zur Erfassung des Expansionsverhaltens von Einkomponenten-Kunststoffschäumen |
| DE102017215394A1 (de) * | 2017-09-04 | 2019-03-07 | Bayerische Motoren Werke Aktiengesellschaft | Vorrichtung zur Messung und/oder Erfassung eines Schäumungsverhaltens eines Schaums |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR2499294A1 (fr) * | 1981-02-04 | 1982-08-06 | Framatome Sa | Procede et dispositif de surveillance des barres de controles d'un reacteur nucleaire |
Family Cites Families (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US3223964A (en) * | 1962-06-27 | 1965-12-14 | Stadlin Louis | Ultrasonic material measuring and control system |
| FR1504446A (fr) * | 1966-02-08 | 1967-12-08 | Electronique Appliquee | Perfectionnements aux systèmes de jauges de niveau à ultra-sons |
| FR1514156A (fr) * | 1966-11-08 | 1968-02-23 | Realisations Ultrasoniques Sa | Appareil de mesure de niveaux par réflexion d'impulsions ultrasonores |
| US3985030A (en) * | 1974-10-29 | 1976-10-12 | William Mcgeoch & Company | Ultrasonic acoustic pulse echo ranging system |
| US4000650B1 (en) * | 1975-03-20 | 1995-11-14 | Endress Hauser Gmbh Co | Method and apparatus for ultrasonic material level measurement |
| CH607002A5 (US06420036-20020716-C00037.png) * | 1976-06-09 | 1978-11-30 | Endress G H & Co | |
| JPS53118161A (en) * | 1977-03-25 | 1978-10-16 | Sumitomo Metal Ind | Measuring method of slug forming by micro wave level meter |
-
1980
- 1980-01-16 CH CH36080A patent/CH644692A5/de not_active IP Right Cessation
- 1980-01-16 FR FR8000905A patent/FR2447030A1/fr active Granted
- 1980-01-17 DE DE19803001602 patent/DE3001602A1/de not_active Withdrawn
- 1980-01-17 NL NL8000321A patent/NL8000321A/nl not_active Application Discontinuation
Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4004683A1 (de) * | 1990-02-15 | 1991-08-22 | Egner Siegfried | Vorrichtung zur begrenzung des abflusses eines wasserbeckens |
| DE4220714A1 (de) * | 1991-06-25 | 1993-01-07 | Olympus Optical Co | Ultraschallfluessigkeitsniveauindikator |
| DE4243172A1 (de) * | 1992-12-19 | 1994-06-30 | Kleine Franz Maschf | Verfahren und Vorrichtung zur Bestimmung des Bodenabstandes einer Ultraschalleinrichtung |
| DE10208952A1 (de) * | 2002-02-28 | 2003-09-18 | Bayer Ag | Screeningverfahren zur Herstellung und Charakterisierung von Polyurethan-Schaumstoffen |
| DE10208952B4 (de) * | 2002-02-28 | 2004-04-08 | Bayer Ag | Screeningverfahren zur Herstellung und Charakterisierung von Polyurethan-Schaumstoffen |
| US6840124B2 (en) | 2002-02-28 | 2005-01-11 | Bayer Aktiengesellschaft | Screening process for the production and characterization of polyurethane foam materials |
| DE102013013386A1 (de) * | 2013-08-10 | 2015-02-26 | Format Messtechnik Gmbh | Vorrichtung und Verfahren zur Erfassung des Expansionsverhaltens von Einkomponenten-Kunststoffschäumen |
| DE102017215394A1 (de) * | 2017-09-04 | 2019-03-07 | Bayerische Motoren Werke Aktiengesellschaft | Vorrichtung zur Messung und/oder Erfassung eines Schäumungsverhaltens eines Schaums |
Also Published As
| Publication number | Publication date |
|---|---|
| FR2447030B1 (US06420036-20020716-C00037.png) | 1983-12-02 |
| NL8000321A (nl) | 1980-07-21 |
| FR2447030A1 (fr) | 1980-08-14 |
| CH644692A5 (en) | 1984-08-15 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| 8128 | New person/name/address of the agent |
Representative=s name: HENKEL, G., DR.PHIL. FEILER, L., DR.RER.NAT. HAENZ |
|
| 8127 | New person/name/address of the applicant |
Owner name: THE DOW CHEMICAL CO. (EINE GES.N.D.GESETZEN D. STA |
|
| 8128 | New person/name/address of the agent |
Representative=s name: HENKEL, G., DR.PHIL. FEILER, L., DR.RER.NAT. HAENZ |
|
| 8141 | Disposal/no request for examination |