CA1039430A - Production of wood glue based on urea formaldehyde condensates - Google Patents
Production of wood glue based on urea formaldehyde condensatesInfo
- Publication number
- CA1039430A CA1039430A CA204,041A CA204041A CA1039430A CA 1039430 A CA1039430 A CA 1039430A CA 204041 A CA204041 A CA 204041A CA 1039430 A CA1039430 A CA 1039430A
- Authority
- CA
- Canada
- Prior art keywords
- urea
- formaldehyde
- solution
- precondensate
- viscosity
- 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
- 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
- C08G12/04—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C08G12/10—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with acyclic compounds having the moiety X=C(—N<)2 in which X is O, S or —N
- C08G12/12—Ureas; Thioureas
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
- C09J161/00—Adhesives based on condensation polymers of aldehydes or ketones; Adhesives based on derivatives of such polymers
- C09J161/20—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen
- C09J161/22—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds
- C09J161/24—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with acyclic or carbocyclic compounds with urea or thiourea
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE2334380A DE2334380B1 (de) | 1973-07-06 | 1973-07-06 | Verfahren zur Herstellung eines Holzleims |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CA1039430A true CA1039430A (en) | 1978-09-26 |
Family
ID=5886109
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CA204,041A Expired CA1039430A (en) | 1973-07-06 | 1974-07-04 | Production of wood glue based on urea formaldehyde condensates |
Country Status (16)
Families Citing this family (13)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JPS5375240A (en) * | 1976-12-17 | 1978-07-04 | Nippon Kasei Chem | Method of making adhesives for wood |
| DE2747830A1 (de) * | 1977-10-26 | 1979-05-10 | Basf Ag | Verfahren zur herstellung von holzleimen |
| OA06231A (fr) * | 1978-04-07 | 1981-06-30 | Patentes Novedades Sa | Procédé de préparation de colles urée-formaldéhyde contenant un sel inorganique. |
| DE3046033A1 (de) * | 1980-12-06 | 1982-07-15 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von leimharzen |
| IT1209203B (it) * | 1980-04-10 | 1989-07-16 | Montedison Spa | Collante ureico a basso sviluppo di formaldeide ed alto valore di tack. |
| DD160384A3 (de) * | 1980-10-01 | 1983-07-06 | Joachim Barse | Verfahren zur herstellung von harnstoff-formaldehyd-harz-leimen |
| US4410685A (en) * | 1982-09-10 | 1983-10-18 | Borden, Inc. | Hydrolytically stable urea-formaldehyde resins and process for manufacturing them |
| US4501851A (en) * | 1982-09-10 | 1985-02-26 | Borden, Inc. | Urea-formaldehyde precursor |
| US4482699A (en) * | 1983-07-25 | 1984-11-13 | Borden, Inc. | Low emitting aqueous formulations of aminoplast resins and processes for manufacturing them |
| GB2150939B (en) * | 1983-12-09 | 1987-02-04 | Enigma Nv | A process for preparing urea-formaldehyde resins |
| US5110898A (en) * | 1988-11-28 | 1992-05-05 | Georgia-Pacific Corporation | Method for manufacturing amino-aldehyde compositions |
| US4960856A (en) * | 1988-11-28 | 1990-10-02 | Georgia-Pacific Corporation | Urea-formaldehyde compositions and method of manufacture |
| EP2620458A1 (en) * | 2012-01-26 | 2013-07-31 | Huntsman International LLC | Wood adhesive formulation |
Family Cites Families (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE1168882B (de) * | 1962-06-01 | 1964-04-30 | Basf Ag | Verfahren zum Absorbieren von Formaldehyd aus formaldehydhaltigen Gasen |
| NL149785B (nl) * | 1965-08-02 | 1976-06-15 | Montedison Spa | Werkwijze om een geconcentreerde oplossing te bereiden, welke ureum en formaldehyde bevat. |
-
1973
- 1973-07-06 DE DE2334380A patent/DE2334380B1/de active Granted
-
1974
- 1974-06-18 IT IT24116/74A patent/IT1015164B/it active
- 1974-06-26 FI FI1957/74A patent/FI58934C/fi active
- 1974-06-27 NL NL7408704A patent/NL7408704A/xx not_active Application Discontinuation
- 1974-07-02 US US05/485,063 patent/US4021413A/en not_active Expired - Lifetime
- 1974-07-04 CA CA204,041A patent/CA1039430A/en not_active Expired
- 1974-07-04 CH CH916174A patent/CH598294A5/xx not_active IP Right Cessation
- 1974-07-04 SE SE7408841A patent/SE393116B/xx unknown
- 1974-07-04 BR BR5530/74A patent/BR7405530D0/pt unknown
- 1974-07-04 FR FR7423306A patent/FR2235992B1/fr not_active Expired
- 1974-07-04 GB GB2960674A patent/GB1468381A/en not_active Expired
- 1974-07-04 ZA ZA00744322A patent/ZA744322B/xx unknown
- 1974-07-05 AT AT556574A patent/AT328590B/de not_active IP Right Cessation
- 1974-07-05 DK DK743613A patent/DK138398C/da active
- 1974-07-06 JP JP7691274A patent/JPS5645411B2/ja not_active Expired
- 1974-07-08 BE BE146325A patent/BE817371A/xx unknown
Also Published As
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