FR1152633A - Method for adjusting the molecular weight of linear polymers of formaldehyde - Google Patents
Method for adjusting the molecular weight of linear polymers of formaldehydeInfo
- Publication number
- FR1152633A FR1152633A FR1152633DA FR1152633A FR 1152633 A FR1152633 A FR 1152633A FR 1152633D A FR1152633D A FR 1152633DA FR 1152633 A FR1152633 A FR 1152633A
- Authority
- FR
- France
- Prior art keywords
- formaldehyde
- adjusting
- molecular weight
- linear polymers
- polymers
- 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
- 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
- C08G2/04—Polymerisation by using compounds which act upon the molecular weight, e.g. chain-transferring agents
-
- 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
- C08G2/08—Polymerisation of formaldehyde
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)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Polymerisation Methods In General (AREA)
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US49532355A | 1955-03-18 | 1955-03-18 |
Publications (1)
Publication Number | Publication Date |
---|---|
FR1152633A true FR1152633A (en) | 1958-02-21 |
Family
ID=23968196
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
FR1152633D Expired FR1152633A (en) | 1955-03-18 | 1956-03-14 | Method for adjusting the molecular weight of linear polymers of formaldehyde |
Country Status (4)
Country | Link |
---|---|
BE (1) | BE556300A (en) |
DE (1) | DE1420637A1 (en) |
FR (1) | FR1152633A (en) |
GB (1) | GB796862A (en) |
Families Citing this family (3)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL99487C (en) * | 1959-07-29 | |||
NL277628A (en) * | 1961-05-12 | |||
US4377667A (en) * | 1980-06-13 | 1983-03-22 | Asahi Kasei Kogyo Kabushiki Kaisha | Polyacetal and process of producing same |
-
0
- BE BE556300D patent/BE556300A/xx unknown
-
1956
- 1956-03-08 GB GB735156A patent/GB796862A/en not_active Expired
- 1956-03-14 FR FR1152633D patent/FR1152633A/en not_active Expired
- 1956-03-16 DE DE19561420637 patent/DE1420637A1/en active Pending
Also Published As
Publication number | Publication date |
---|---|
GB796862A (en) | 1958-06-18 |
DE1420637A1 (en) | 1968-10-10 |
BE556300A (en) |
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