IT1043748B - Procedimente per la polimerizzazione della formaldeide - Google Patents
Procedimente per la polimerizzazione della formaldeideInfo
- Publication number
- IT1043748B IT1043748B IT2881475A IT2881475A IT1043748B IT 1043748 B IT1043748 B IT 1043748B IT 2881475 A IT2881475 A IT 2881475A IT 2881475 A IT2881475 A IT 2881475A IT 1043748 B IT1043748 B IT 1043748B
- Authority
- IT
- Italy
- Prior art keywords
- polymerization procedure
- formaldehyde polymerization
- formaldehyde
- procedure
- polymerization
- Prior art date
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
- C08G2/08—Polymerisation 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
- C08G2/06—Catalysts
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)
- Polyesters Or Polycarbonates (AREA)
Priority Applications (5)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2881475A IT1043748B (it) | 1975-10-30 | 1975-10-30 | Procedimente per la polimerizzazione della formaldeide |
GB4275476A GB1522879A (en) | 1975-10-30 | 1976-10-14 | Process for the polymerisation of formaldehyde |
CA263,536A CA1105187A (en) | 1975-10-30 | 1976-10-15 | Process for the polymerization of formaldehyde |
DE19762649800 DE2649800C2 (de) | 1975-10-30 | 1976-10-29 | Verfahren zur Herstellung von Polyoxymethylen |
NL7612012A NL7612012A (nl) | 1975-10-30 | 1976-10-29 | Werkwijze voor het polymeriseren van formalde- hyde. |
Applications Claiming Priority (1)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
IT2881475A IT1043748B (it) | 1975-10-30 | 1975-10-30 | Procedimente per la polimerizzazione della formaldeide |
Publications (1)
Publication Number | Publication Date |
---|---|
IT1043748B true IT1043748B (it) | 1980-02-29 |
Family
ID=11224240
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
IT2881475A IT1043748B (it) | 1975-10-30 | 1975-10-30 | Procedimente per la polimerizzazione della formaldeide |
Country Status (5)
Country | Link |
---|---|
CA (1) | CA1105187A (it) |
DE (1) | DE2649800C2 (it) |
GB (1) | GB1522879A (it) |
IT (1) | IT1043748B (it) |
NL (1) | NL7612012A (it) |
Families Citing this family (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP4015555A1 (de) | 2020-12-18 | 2022-06-22 | Covestro Deutschland AG | Verfahren zur herstellung eines monols oder polyols umfassend einen polyoxymethylen-block |
CN114133537B (zh) * | 2021-12-10 | 2023-09-12 | 开滦(集团)有限责任公司 | 一种聚甲醛-聚己内酯共聚物及其制备方法 |
Family Cites Families (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
IT1006689B (it) * | 1973-12-28 | 1976-10-20 | Sir Soc Italiana Resine Spa | Procedimento per la polimerizza zione della formaldeide |
-
1975
- 1975-10-30 IT IT2881475A patent/IT1043748B/it active
-
1976
- 1976-10-14 GB GB4275476A patent/GB1522879A/en not_active Expired
- 1976-10-15 CA CA263,536A patent/CA1105187A/en not_active Expired
- 1976-10-29 DE DE19762649800 patent/DE2649800C2/de not_active Expired
- 1976-10-29 NL NL7612012A patent/NL7612012A/xx not_active Application Discontinuation
Also Published As
Publication number | Publication date |
---|---|
GB1522879A (en) | 1978-08-31 |
CA1105187A (en) | 1981-07-14 |
DE2649800A1 (de) | 1977-05-18 |
NL7612012A (nl) | 1977-05-03 |
DE2649800C2 (de) | 1985-08-14 |
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