CH628653A5 - Process for the preparation of melamine-formaldehyde resins which can be cured without yellowing - Google Patents
Process for the preparation of melamine-formaldehyde resins which can be cured without yellowing Download PDFInfo
- Publication number
- CH628653A5 CH628653A5 CH133077A CH133077A CH628653A5 CH 628653 A5 CH628653 A5 CH 628653A5 CH 133077 A CH133077 A CH 133077A CH 133077 A CH133077 A CH 133077A CH 628653 A5 CH628653 A5 CH 628653A5
- Authority
- CH
- Switzerland
- Prior art keywords
- resins
- melamine
- formaldehyde
- produced
- acid
- 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
- C08G12/00—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C08G12/02—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes
- C08G12/26—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds
- C08G12/30—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds with substituted triazines
- C08G12/32—Melamines
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/13—Amines
- A61K31/155—Amidines (), e.g. guanidine (H2N—C(=NH)—NH2), isourea (N=C(OH)—NH2), isothiourea (—N=C(SH)—NH2)
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/335—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin
- A61K31/34—Heterocyclic compounds having oxygen as the only ring hetero atom, e.g. fungichromin having five-membered rings with one oxygen as the only ring hetero atom, e.g. isosorbide
-
- A—HUMAN NECESSITIES
- A61—MEDICAL OR VETERINARY SCIENCE; HYGIENE
- A61K—PREPARATIONS FOR MEDICAL, DENTAL OR TOILETRY PURPOSES
- A61K31/00—Medicinal preparations containing organic active ingredients
- A61K31/33—Heterocyclic compounds
- A61K31/395—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins
- A61K31/435—Heterocyclic compounds having nitrogen as a ring hetero atom, e.g. guanethidine or rifamycins having six-membered rings with one nitrogen as the only ring hetero atom
- A61K31/44—Non condensed pyridines; Hydrogenated derivatives thereof
Landscapes
- Health & Medical Sciences (AREA)
- Chemical & Material Sciences (AREA)
- Medicinal Chemistry (AREA)
- Pharmacology & Pharmacy (AREA)
- Epidemiology (AREA)
- Life Sciences & Earth Sciences (AREA)
- Animal Behavior & Ethology (AREA)
- General Health & Medical Sciences (AREA)
- Public Health (AREA)
- Veterinary Medicine (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Laminated Bodies (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2604195A DE2604195C2 (de) | 1976-02-04 | 1976-02-04 | Verfahren zur Herstellung von Melamin-Formaldehydharzen |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CH628653A5 true CH628653A5 (en) | 1982-03-15 |
Family
ID=5968985
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CH133077A CH628653A5 (en) | 1976-02-04 | 1977-02-03 | Process for the preparation of melamine-formaldehyde resins which can be cured without yellowing |
Country Status (11)
| Country | Link |
|---|---|
| JP (1) | JPS5295798A ( ) |
| AT (1) | AT355805B ( ) |
| BE (1) | BE851065A ( ) |
| CH (1) | CH628653A5 ( ) |
| DE (1) | DE2604195C2 ( ) |
| FR (1) | FR2340335A1 ( ) |
| GB (1) | GB1551884A ( ) |
| IT (1) | IT1114852B ( ) |
| NL (1) | NL7700942A ( ) |
| NO (1) | NO770291L ( ) |
| SE (1) | SE419968B ( ) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2388295A1 (de) | 2010-05-21 | 2011-11-23 | Wietec Technologie KG | Verfahren zur Herstellung eines transparenten Kunststoffmaterials |
Family Cites Families (4)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2260239A (en) * | 1936-12-12 | 1941-10-21 | Monsanto Chemicals | Manufacture of melamine-aldehyde condensation products |
| DE1028335B (de) * | 1956-12-01 | 1958-04-17 | Sueddeutsche Kalkstickstoff | Verfahren zur Herstellung von Melamin-Formaldehyd-Harzen |
| FR1216292A (fr) * | 1957-09-06 | 1960-04-25 | Procédé de préparation d'aminoplastes d'une faible couductivité électrique | |
| FR1189530A (fr) * | 1958-01-06 | 1959-10-05 | Sueddeutsche Kalkstickstoff | Procédé pour la préparation de résines mélamine-formaldéhyde |
-
1976
- 1976-02-04 DE DE2604195A patent/DE2604195C2/de not_active Expired
-
1977
- 1977-01-28 NL NL7700942A patent/NL7700942A/ not_active Application Discontinuation
- 1977-01-28 SE SE7700922A patent/SE419968B/xx unknown
- 1977-01-28 NO NO770291A patent/NO770291L/no unknown
- 1977-02-03 IT IT19939/77A patent/IT1114852B/it active
- 1977-02-03 BE BE174643A patent/BE851065A/xx not_active IP Right Cessation
- 1977-02-03 CH CH133077A patent/CH628653A5/de not_active IP Right Cessation
- 1977-02-03 GB GB4465/77A patent/GB1551884A/en not_active Expired
- 1977-02-03 AT AT69477A patent/AT355805B/de not_active IP Right Cessation
- 1977-02-03 JP JP1033877A patent/JPS5295798A/ja active Pending
- 1977-02-03 FR FR7702987A patent/FR2340335A1/fr active Granted
Also Published As
| Publication number | Publication date |
|---|---|
| GB1551884A (en) | 1979-09-05 |
| IT1114852B (it) | 1986-01-27 |
| AT355805B (de) | 1980-03-25 |
| FR2340335A1 (fr) | 1977-09-02 |
| NO770291L (no) | 1977-08-05 |
| FR2340335B1 ( ) | 1979-08-24 |
| DE2604195A1 (de) | 1977-08-11 |
| JPS5295798A (en) | 1977-08-11 |
| ATA69477A (de) | 1979-08-15 |
| BE851065A (fr) | 1977-08-03 |
| DE2604195C2 (de) | 1984-03-08 |
| SE419968B (sv) | 1981-09-07 |
| NL7700942A (nl) | 1977-08-08 |
| SE7700922L (sv) | 1977-08-05 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| PL | Patent ceased |