GB974819A - Improvements in polymer production - Google Patents
Improvements in polymer productionInfo
- Publication number
- GB974819A GB974819A GB1183962A GB1183962A GB974819A GB 974819 A GB974819 A GB 974819A GB 1183962 A GB1183962 A GB 1183962A GB 1183962 A GB1183962 A GB 1183962A GB 974819 A GB974819 A GB 974819A
- Authority
- GB
- United Kingdom
- Prior art keywords
- mixture
- trioxane
- barrel
- shearing
- blending
- 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
- 229920000642 polymer Polymers 0.000 title abstract 3
- 239000000203 mixture Substances 0.000 abstract 5
- BGJSXRVXTHVRSN-UHFFFAOYSA-N 1,3,5-trioxane Chemical compound C1OCOCO1 BGJSXRVXTHVRSN-UHFFFAOYSA-N 0.000 abstract 3
- 238000002156 mixing Methods 0.000 abstract 2
- 238000010008 shearing Methods 0.000 abstract 2
- 229910015900 BF3 Inorganic materials 0.000 abstract 1
- WTEOIRVLGSZEPR-UHFFFAOYSA-N boron trifluoride Chemical compound FB(F)F WTEOIRVLGSZEPR-UHFFFAOYSA-N 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 150000004292 cyclic ethers Chemical class 0.000 abstract 1
- 239000012442 inert solvent Substances 0.000 abstract 1
- 239000007788 liquid Substances 0.000 abstract 1
- 239000000463 material Substances 0.000 abstract 1
- 125000005704 oxymethylene group Chemical group [H]C([H])([*:2])O[*:1] 0.000 abstract 1
- 238000006116 polymerization reaction Methods 0.000 abstract 1
- 230000000379 polymerizing effect Effects 0.000 abstract 1
- 239000000843 powder Substances 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
-
- 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
- C08G2/10—Polymerisation of cyclic oligomers of formaldehyde
-
- 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
- C08G2/18—Copolymerisation of aldehydes or ketones
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Polyoxymethylene Polymers And Polymers With Carbon-To-Carbon Bonds (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| US10079561A | 1961-04-05 | 1961-04-05 |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| GB974819A true GB974819A (en) | 1964-11-11 |
Family
ID=22281575
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| GB1183962A Expired GB974819A (en) | 1961-04-05 | 1962-03-28 | Improvements in polymer production |
Country Status (9)
| Country | Link |
|---|---|
| AT (1) | AT259228B (enrdf_load_stackoverflow) |
| BE (1) | BE616036A (enrdf_load_stackoverflow) |
| CH (1) | CH410428A (enrdf_load_stackoverflow) |
| DE (1) | DE1495228B2 (enrdf_load_stackoverflow) |
| ES (1) | ES275649A1 (enrdf_load_stackoverflow) |
| FR (1) | FR1319178A (enrdf_load_stackoverflow) |
| GB (1) | GB974819A (enrdf_load_stackoverflow) |
| NL (1) | NL276768A (enrdf_load_stackoverflow) |
| SE (1) | SE314205B (enrdf_load_stackoverflow) |
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4431794A (en) * | 1981-11-28 | 1984-02-14 | Basf Aktiengesellschaft | Continuous preparation of oxymethylene polymers |
| US6756475B2 (en) | 2000-02-10 | 2004-06-29 | Basf Aktiengesellschaft | Preparation of polyoxymethylenes |
| US9090770B2 (en) | 2010-04-16 | 2015-07-28 | Asahi Kasei Chemicals Corporation | Polyacetal resin composition, method for producing the same, and molded article |
Families Citing this family (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE3149321C1 (de) * | 1981-12-12 | 1983-01-13 | Degussa Ag, 6000 Frankfurt | Verfahren zur kontinuierlichen Homopolymerisation oder Copolymerisation von Trioxan |
| DE4431575A1 (de) * | 1994-09-05 | 1996-03-07 | Hoechst Ag | Verfahren zur Herstellung von Polyacetalcopolymeren |
| DE102004054629A1 (de) | 2004-11-11 | 2006-05-18 | Basf Ag | Basische Desaktivatoren bei der POM-Herstellung |
| DE502007006328D1 (de) | 2006-09-12 | 2011-03-03 | Basf Se | Ionische flüssigkeiten bei der pom-herstellung |
| EP2267075B1 (en) | 2008-10-28 | 2014-01-22 | Asahi Kasei Chemicals Corporation | Polyacetal resin composition and method for producing the same |
-
0
- NL NL276768D patent/NL276768A/xx unknown
- BE BE616036D patent/BE616036A/xx unknown
-
1962
- 1962-03-28 GB GB1183962A patent/GB974819A/en not_active Expired
- 1962-04-03 DE DE19621495228 patent/DE1495228B2/de active Pending
- 1962-04-04 SE SE375362A patent/SE314205B/xx unknown
- 1962-04-05 FR FR893495A patent/FR1319178A/fr not_active Expired
- 1962-04-05 AT AT281262A patent/AT259228B/de active
- 1962-04-05 CH CH417162A patent/CH410428A/fr unknown
- 1962-04-21 ES ES275649A patent/ES275649A1/es not_active Expired
Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US4431794A (en) * | 1981-11-28 | 1984-02-14 | Basf Aktiengesellschaft | Continuous preparation of oxymethylene polymers |
| US6756475B2 (en) | 2000-02-10 | 2004-06-29 | Basf Aktiengesellschaft | Preparation of polyoxymethylenes |
| US9090770B2 (en) | 2010-04-16 | 2015-07-28 | Asahi Kasei Chemicals Corporation | Polyacetal resin composition, method for producing the same, and molded article |
Also Published As
| Publication number | Publication date |
|---|---|
| AT259228B (de) | 1968-01-10 |
| CH410428A (fr) | 1966-03-31 |
| SE314205B (enrdf_load_stackoverflow) | 1969-09-01 |
| FR1319178A (fr) | 1963-02-22 |
| NL276768A (enrdf_load_stackoverflow) | |
| DE1495228A1 (de) | 1969-02-13 |
| DE1495228B2 (de) | 1972-01-20 |
| BE616036A (enrdf_load_stackoverflow) | |
| ES275649A1 (es) | 1962-07-01 |
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