GB991515A - A method and apparatus for promoting the bulk polymerisation of formaldehyde by vibration - Google Patents
A method and apparatus for promoting the bulk polymerisation of formaldehyde by vibrationInfo
- Publication number
- GB991515A GB991515A GB13716/63A GB1371663A GB991515A GB 991515 A GB991515 A GB 991515A GB 13716/63 A GB13716/63 A GB 13716/63A GB 1371663 A GB1371663 A GB 1371663A GB 991515 A GB991515 A GB 991515A
- Authority
- GB
- United Kingdom
- Prior art keywords
- formaldehyde
- vessel
- conduit
- vibration
- fed
- 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
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title abstract 15
- 230000001737 promoting effect Effects 0.000 title 1
- 238000006116 polymerization reaction Methods 0.000 abstract 3
- 229920000642 polymer Polymers 0.000 abstract 2
- 238000012662 bulk polymerization Methods 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 230000008021 deposition Effects 0.000 abstract 1
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
- C08G2/06—Catalysts
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/28—Moving reactors, e.g. rotary drums
- B01J19/285—Shaking or vibrating reactors; reactions under the influence of low-frequency vibrations or pulsations
-
- 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
- C08G2/08—Polymerisation of formaldehyde
-
- F—MECHANICAL ENGINEERING; LIGHTING; HEATING; WEAPONS; BLASTING
- F28—HEAT EXCHANGE IN GENERAL
- F28C—HEAT-EXCHANGE APPARATUS, NOT PROVIDED FOR IN ANOTHER SUBCLASS, IN WHICH THE HEAT-EXCHANGE MEDIA COME INTO DIRECT CONTACT WITHOUT CHEMICAL INTERACTION
- F28C3/00—Other direct-contact heat-exchange apparatus
- F28C3/10—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material
- F28C3/12—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid
- F28C3/16—Other direct-contact heat-exchange apparatus one heat-exchange medium at least being a fluent solid, e.g. a particulate material the heat-exchange medium being a particulate material and a gas, vapour, or liquid the particulate material forming a bed, e.g. fluidised, on vibratory sieves
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Engineering & Computer Science (AREA)
- Mechanical Engineering (AREA)
- General Engineering & Computer Science (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| JP1645062 | 1962-04-21 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB991515A true GB991515A (en) | 1965-05-12 |
Family
ID=11916566
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB13716/63A Expired GB991515A (en) | 1962-04-21 | 1963-04-05 | A method and apparatus for promoting the bulk polymerisation of formaldehyde by vibration |
Country Status (6)
Families Citing this family (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| FR1386500A (fr) * | 1963-12-13 | 1965-01-22 | Pechiney Saint Gobain | Procédé et appareillage pour la préparation de polymères et de copolymères à base de formaldéhyde |
| US3458479A (en) * | 1966-04-02 | 1969-07-29 | Sir Soc Italiana Resine Spa | Method of polymerizing gaseous formaldehyde |
| US4036598A (en) * | 1973-11-30 | 1977-07-19 | Soldate Albert M | Mechanical vibrator for use in material transport apparatus and the like |
| US3915890A (en) * | 1973-11-30 | 1975-10-28 | Albert M Soldate | Vibrating chemical reactor and regenerator |
| DE2457660C3 (de) * | 1974-12-06 | 1980-09-18 | Kloeckner-Humboldt-Deutz Ag, 5000 Koeln | Vorrichtung zum kontinuierlichen Ausfällen von Zementkupfer aus einer mit Eisenstücken versetzten Kupferlösung |
| US5245093A (en) * | 1989-01-26 | 1993-09-14 | Abb Lummus Crest Inc. | Reaction processes in a multi-stage fluidized bed |
| GB2362335B (en) * | 2000-05-15 | 2004-12-15 | Univ Cranfield | Vibratory mobile bed |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2498405A (en) * | 1946-03-11 | 1950-02-21 | Jeffrey Mfg Co | Continuous vibrating reaction chamber |
| US3087911A (en) * | 1957-08-05 | 1963-04-30 | Celanese Corp | Process for preparing a thermoplastic material |
| US3093617A (en) * | 1957-10-21 | 1963-06-11 | Celanese Corp | Continuous bulk polymerization process |
| US2951059A (en) * | 1957-10-21 | 1960-08-30 | Celanese Corp | Vapor phase polymerization of trioxane |
| FR1211002A (fr) * | 1958-09-24 | 1960-03-11 | Saint Gobain | Procédé de polymérisation du formaldéhyde |
-
0
- BE BE631085D patent/BE631085A/xx unknown
-
1963
- 1963-03-18 CH CH344763A patent/CH427284A/de unknown
- 1963-04-05 GB GB13716/63A patent/GB991515A/en not_active Expired
- 1963-04-08 FR FR930773A patent/FR1378837A/fr not_active Expired
- 1963-04-11 US US272371A patent/US3281395A/en not_active Expired - Lifetime
- 1963-04-19 DE DEK49512A patent/DE1247653B/de active Pending
Also Published As
| Publication number | Publication date |
|---|---|
| CH427284A (de) | 1966-12-31 |
| US3281395A (en) | 1966-10-25 |
| FR1378837A (fr) | 1964-11-20 |
| DE1247653B (de) | 1967-08-17 |
| BE631085A (GUID-C5D7CC26-194C-43D0-91A1-9AE8C70A9BFF.html) |
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