GB752163A - Preparation of purified formaldehyde - Google Patents
Preparation of purified formaldehydeInfo
- Publication number
- GB752163A GB752163A GB19815/54A GB1981554A GB752163A GB 752163 A GB752163 A GB 752163A GB 19815/54 A GB19815/54 A GB 19815/54A GB 1981554 A GB1981554 A GB 1981554A GB 752163 A GB752163 A GB 752163A
- Authority
- GB
- United Kingdom
- Prior art keywords
- formaldehyde
- alcohol
- methyl
- cyclohexanol
- reaction product
- 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
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/81—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation
- C07C45/82—Separation; Purification; Stabilisation; Use of additives by change in the physical state, e.g. crystallisation by distillation
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/51—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition
- C07C45/511—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups
- C07C45/515—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds by pyrolysis, rearrangement or decomposition involving transformation of singly bound oxygen functional groups to >C = O groups the singly bound functional group being an acetalised, ketalised hemi-acetalised, or hemi-ketalised hydroxyl group
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07C—ACYCLIC OR CARBOCYCLIC COMPOUNDS
- C07C45/00—Preparation of compounds having >C = O groups bound only to carbon or hydrogen atoms; Preparation of chelates of such compounds
- C07C45/78—Separation; Purification; Stabilisation; Use of additives
- C07C45/85—Separation; Purification; Stabilisation; Use of additives by treatment giving rise to a chemical modification
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Crystallography & Structural Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- General Chemical & Material Sciences (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US752163XA | 1953-07-16 | 1953-07-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
GB752163A true GB752163A (en) | 1956-07-04 |
Family
ID=22124300
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
GB19815/54A Expired GB752163A (en) | 1953-07-16 | 1954-07-06 | Preparation of purified formaldehyde |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE560841A (US07122603-20061017-C00297.png) |
DE (1) | DE1057086B (US07122603-20061017-C00297.png) |
FR (1) | FR1108793A (US07122603-20061017-C00297.png) |
GB (1) | GB752163A (US07122603-20061017-C00297.png) |
Cited By (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1138752B (de) * | 1958-12-19 | 1962-10-31 | Hoechst Ag | Verfahren zur Herstellung von reinem Formaldehyd |
US7338579B2 (en) | 1998-06-05 | 2008-03-04 | Lucite International Uk Limited | Dewatering process |
CN103339094A (zh) * | 2011-01-26 | 2013-10-02 | 宝理塑料株式会社 | 半缩甲醛浓缩物的制造方法及甲醛气体的制造方法 |
CN104725203A (zh) * | 2015-03-24 | 2015-06-24 | 江苏凯茂石化科技有限公司 | 一种气体甲醛合成聚甲氧基二甲醚及脱酸的工艺装置及方法 |
CN104725202A (zh) * | 2015-03-24 | 2015-06-24 | 江苏凯茂石化科技有限公司 | 一种用于聚甲氧基二甲醚原料生产的工艺装置及工艺方法 |
CN110885439A (zh) * | 2019-11-22 | 2020-03-17 | 山东蓝星东大有限公司 | 一种降低聚醚多元醇挥发性有机物含量的方法 |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1139825B (de) * | 1958-12-27 | 1962-11-22 | Farbwerke Hoechst Aktiengesellschaft vormals Meister Lucius & Bruning Frankfurt/M | Verfahren zur Herstellung von reinem alkoholfreiemFormaldehyd. |
DE1109660B (de) * | 1959-01-07 | 1961-06-29 | Degussa | Verfahren zum Trocknen von monomerem, gasfoermigem Formaldehyd |
US3128313A (en) * | 1960-12-22 | 1964-04-07 | Du Pont | Preparation of concentrated formaldehyde |
GB1005439A (en) * | 1960-12-28 | 1965-09-22 | Du Pont | Removal of formic acid from aqueous formaldehyde solutions containing an alcohol and/or the formal thereof |
DE1151250B (de) * | 1961-06-01 | 1963-07-11 | Leuna Werke Iawalter Ulbrichti | Verfahren zur Herstellung von wasserfreiem hochreinem Formaldehyd |
DE1249846B (de) * | 1966-06-20 | 1967-09-14 | Leuna Werke Veb | Verfahren zur Herstellung von monomerem Formaldehyd |
-
0
- BE BE560841D patent/BE560841A/xx unknown
-
1954
- 1954-07-05 FR FR1108793D patent/FR1108793A/fr not_active Expired
- 1954-07-06 GB GB19815/54A patent/GB752163A/en not_active Expired
- 1954-07-14 DE DEP12316A patent/DE1057086B/de active Pending
Cited By (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1138752B (de) * | 1958-12-19 | 1962-10-31 | Hoechst Ag | Verfahren zur Herstellung von reinem Formaldehyd |
US7338579B2 (en) | 1998-06-05 | 2008-03-04 | Lucite International Uk Limited | Dewatering process |
CN103339094A (zh) * | 2011-01-26 | 2013-10-02 | 宝理塑料株式会社 | 半缩甲醛浓缩物的制造方法及甲醛气体的制造方法 |
CN104725203A (zh) * | 2015-03-24 | 2015-06-24 | 江苏凯茂石化科技有限公司 | 一种气体甲醛合成聚甲氧基二甲醚及脱酸的工艺装置及方法 |
CN104725202A (zh) * | 2015-03-24 | 2015-06-24 | 江苏凯茂石化科技有限公司 | 一种用于聚甲氧基二甲醚原料生产的工艺装置及工艺方法 |
CN104725203B (zh) * | 2015-03-24 | 2016-05-11 | 江苏凯茂石化科技有限公司 | 一种气体甲醛合成聚甲氧基二甲醚及脱酸的工艺装置及方法 |
CN110885439A (zh) * | 2019-11-22 | 2020-03-17 | 山东蓝星东大有限公司 | 一种降低聚醚多元醇挥发性有机物含量的方法 |
CN110885439B (zh) * | 2019-11-22 | 2022-03-04 | 山东蓝星东大有限公司 | 一种降低聚醚多元醇挥发性有机物含量的方法 |
Also Published As
Publication number | Publication date |
---|---|
BE560841A (US07122603-20061017-C00297.png) | |
FR1108793A (fr) | 1956-01-17 |
DE1057086B (de) | 1959-05-14 |
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