NL298169A - - Google Patents
Info
- Publication number
- NL298169A NL298169A NL298169DA NL298169A NL 298169 A NL298169 A NL 298169A NL 298169D A NL298169D A NL 298169DA NL 298169 A NL298169 A NL 298169A
- Authority
- NL
- Netherlands
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
- C08G2/06—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
- C08G2/04—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
- C08G2/08—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
- C08G2/18—Copolymerisation of aldehydes or ketones
-
- 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
- C08G2/20—Copolymerisation of aldehydes or ketones with other aldehydes or ketones
-
- 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
- C08G63/00—Macromolecular compounds obtained by reactions forming a carboxylic ester link in the main chain of the macromolecule
- C08G63/66—Polyesters containing oxygen in the form of ether groups
- C08G63/668—Polyesters containing oxygen in the form of ether groups derived from polycarboxylic acids and polyhydroxy compounds
- C08G63/672—Dicarboxylic acids and dihydroxy compounds
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 (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US133783A US3219630A (en) | 1961-08-25 | 1961-08-25 | Production of branched chain polyoxymethylene polycarboxylates |
US225113A US3216972A (en) | 1961-08-25 | 1962-09-20 | Production of high molecular weight polymers of formaldehyde |
US293843A US3305529A (en) | 1961-08-25 | 1963-07-09 | Polymerization of formaldehyde in the presence of a polyvalent metal chelate of a beta-diketone |
Publications (1)
Publication Number | Publication Date |
---|---|
NL298169A true NL298169A (ja) |
Family
ID=27384472
Family Applications (2)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL135961D NL135961C (ja) | 1961-08-25 | ||
NL298169D NL298169A (ja) | 1961-08-25 |
Family Applications Before (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
NL135961D NL135961C (ja) | 1961-08-25 |
Country Status (6)
Country | Link |
---|---|
US (2) | US3216972A (ja) |
DE (1) | DE1242873B (ja) |
FR (1) | FR1398747A (ja) |
GB (2) | GB1018282A (ja) |
NL (2) | NL298169A (ja) |
SE (1) | SE307854B (ja) |
Families Citing this family (18)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
NL135961C (ja) * | 1961-08-25 | |||
GB970031A (en) * | 1962-06-04 | 1964-09-16 | Nippon Synthetic Chem Ind | Polymerization of aldehydes |
NL299151A (ja) * | 1962-10-13 | |||
NL299147A (ja) * | 1962-10-13 | |||
US3275603A (en) * | 1963-04-25 | 1966-09-27 | Tenneco Chem | Polymerization of formaldehyde |
US3405094A (en) * | 1963-04-30 | 1968-10-08 | Dai Cellu Kabushiki Kaisha | Process for stabilizing aldehyde polymers |
US3491063A (en) * | 1964-11-14 | 1970-01-20 | Sumitomo Chemical Co | Method for polymerizing formaldehyde |
US3457227A (en) * | 1965-03-11 | 1969-07-22 | Continental Oil Co | Preparation of polyoxymethylene using metal acetylacetonate polymerization catalysts |
US3350358A (en) * | 1966-07-22 | 1967-10-31 | Eastman Kodak Co | Process for preparing essentially ash-free polymers of aldehydes |
US3639347A (en) * | 1967-07-28 | 1972-02-01 | Ube Industries | Process for the preparation of high molecular weight polyoxy-methylene |
US3506615A (en) * | 1968-01-17 | 1970-04-14 | Celanese Corp | Polymerization of oxymethylene and methylene sulfide forming monomers by metal acetylacetonates |
DE3066423D1 (en) * | 1979-11-06 | 1984-03-08 | Ube Industries | Process for polymerizing formaldehyde |
US6541549B2 (en) * | 1999-11-01 | 2003-04-01 | Crompton Corporation | Non-xenoestrogenic stabilizers for organic materials |
DE10215976A1 (de) * | 2002-04-11 | 2003-10-23 | Basf Ag | Herstellung von Polyoxymethylen und dafür geeignete Katalysatoren III |
DE10215978A1 (de) * | 2002-04-11 | 2003-10-23 | Basf Ag | Herstellung von Polyoxymethylen und dafür geeignete Katalysatoren |
CN101817057B (zh) * | 2010-04-21 | 2012-01-11 | 沈阳汇亚通铸造材料有限责任公司 | 一种铸造用自硬砂慢型固化剂及砂型的制备 |
US9546148B2 (en) | 2011-11-24 | 2017-01-17 | Ticona Gmbh | Process for the production of trioxane from aqueous formaldehyde sources |
WO2019191445A1 (en) | 2018-03-29 | 2019-10-03 | Celanese Sales Germany Gmbh | Process for producing a cyclic acetal in a heterogeneous reaction system |
Family Cites Families (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US3016297A (en) * | 1956-02-13 | 1962-01-09 | Du Pont | Photopolymerizable compositions comprising polymeric chelates and their use in the preparation of reliefs |
GB868356A (en) * | 1959-03-11 | 1961-05-17 | Bayer Ag | A process for the acylation of polyoxymethylenes |
FR1300492A (fr) * | 1960-09-17 | 1962-08-03 | Bayer Ag | Préparation des polyoxyméthylènes à poids moléculaire élevé par polymérisation du formaldéhyde |
US3111503A (en) * | 1961-04-06 | 1963-11-19 | Du Pont | Metal chelates as initiators for the polymerization of formaldehyde |
NL135961C (ja) * | 1961-08-25 | |||
US3219630A (en) * | 1961-08-25 | 1965-11-23 | Tenneco Chem | Production of branched chain polyoxymethylene polycarboxylates |
-
0
- NL NL135961D patent/NL135961C/xx active
- NL NL298169D patent/NL298169A/xx unknown
-
1962
- 1962-08-22 GB GB32340/62A patent/GB1018282A/en not_active Expired
- 1962-09-20 US US225113A patent/US3216972A/en not_active Expired - Lifetime
-
1963
- 1963-07-09 US US293843A patent/US3305529A/en not_active Expired - Lifetime
- 1963-09-20 DE DEH50322A patent/DE1242873B/de not_active Withdrawn
- 1963-09-20 GB GB37195/63A patent/GB1037777A/en not_active Expired
- 1963-09-20 FR FR948197A patent/FR1398747A/fr not_active Expired
- 1963-09-20 SE SE10285/63A patent/SE307854B/xx unknown
Also Published As
Publication number | Publication date |
---|---|
US3305529A (en) | 1967-02-21 |
US3216972A (en) | 1965-11-09 |
DE1520058B2 (de) | 1973-04-12 |
DE1520058A1 (de) | 1970-04-16 |
GB1018282A (en) | 1966-01-26 |
FR1398747A (fr) | 1965-05-14 |
SE307854B (ja) | 1969-01-20 |
DE1242873B (de) | 1967-06-22 |
NL135961C (ja) | |
GB1037777A (en) | 1966-08-03 |