ES2057541T3 - Condensados de urea-formaldehido cationicos, un procedimiento para su obtencion y su empleo en la industria papelera. - Google Patents
Condensados de urea-formaldehido cationicos, un procedimiento para su obtencion y su empleo en la industria papelera.Info
- Publication number
- ES2057541T3 ES2057541T3 ES90904337T ES90904337T ES2057541T3 ES 2057541 T3 ES2057541 T3 ES 2057541T3 ES 90904337 T ES90904337 T ES 90904337T ES 90904337 T ES90904337 T ES 90904337T ES 2057541 T3 ES2057541 T3 ES 2057541T3
- Authority
- ES
- Spain
- Prior art keywords
- procedure
- obtaining
- paper industry
- urea
- formaldehyde condensates
- 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 - Lifetime
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
- 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
- C08G12/14—Dicyandiamides; Dicyandiamidines; Guanidines; Biguanidines; Biuret; Semicarbazides
-
- 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
- C08G12/34—Condensation polymers of aldehydes or ketones with only compounds containing hydrogen attached to nitrogen of aldehydes with heterocyclic compounds and acyclic or carbocyclic compounds
- C08G12/36—Ureas; Thioureas
- C08G12/38—Ureas; Thioureas and melamines
-
- D—TEXTILES; PAPER
- D21—PAPER-MAKING; PRODUCTION OF CELLULOSE
- D21H—PULP COMPOSITIONS; PREPARATION THEREOF NOT COVERED BY SUBCLASSES D21C OR D21D; IMPREGNATING OR COATING OF PAPER; TREATMENT OF FINISHED PAPER NOT COVERED BY CLASS B31 OR SUBCLASS D21G; PAPER NOT OTHERWISE PROVIDED FOR
- D21H17/00—Non-fibrous material added to the pulp, characterised by its constitution; Paper-impregnating material characterised by its constitution
- D21H17/20—Macromolecular organic compounds
- D21H17/33—Synthetic macromolecular compounds
- D21H17/46—Synthetic macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
- D21H17/47—Condensation polymers of aldehydes or ketones
- D21H17/49—Condensation polymers of aldehydes or ketones with compounds containing hydrogen bound to nitrogen
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Phenolic Resins Or Amino Resins (AREA)
- Paper (AREA)
Abstract
CONDENSADOS DE FORMALDEIDO DE UREA CATIONICOS, QUE PUEDEN OBTENERSE MEDIANTE (A) LA CONVERSION DE UREA CON AMINAS DE ALCANOL EN UNA PROPORCION MOLAR DE 1 A 6: 1 A TEMPERATURAS DE 130 A 180 OS PRODUCTOS DE CONVERSION OBTENIDOS EN EL PASO (A) EN UN MEDIO ACUOSO EN LA SERIE PH BASICA CON FORMALDEHIDO; (C) LA CONDENSACION DE LOS PRODUCTOS DE METILOLISACION EN UN MEDIO ACUOSO EN UN PH DE 0 A 6, SIENDO PARADA LA REACCION DE CONDENSACION AL ESTABLECER EL PH DE ENTRE 6, 2 Y 8 Y, CUANDO SEA NECESARIO DILUIR LA MEZCLA DE REACCION CON AGUA; UN PROCESO PARA FABRICAR LOS CONDENSADOS, Y SU USO COMO AGENTES ENDURECEDORES EN LA FABRICACION DE PAPEL.
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| DE3909007A DE3909007A1 (de) | 1989-03-18 | 1989-03-18 | Kationische harnstoff-formaldehyd-kondensate, verfahren zu ihrer herstellung und ihre verwendung in der papierindustrie |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ES2057541T3 true ES2057541T3 (es) | 1994-10-16 |
Family
ID=6376710
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ES90904337T Expired - Lifetime ES2057541T3 (es) | 1989-03-18 | 1990-03-14 | Condensados de urea-formaldehido cationicos, un procedimiento para su obtencion y su empleo en la industria papelera. |
Country Status (7)
| Country | Link |
|---|---|
| EP (1) | EP0463012B1 (es) |
| JP (1) | JPH04503824A (es) |
| CA (1) | CA2049059A1 (es) |
| DE (2) | DE3909007A1 (es) |
| ES (1) | ES2057541T3 (es) |
| PT (1) | PT93473A (es) |
| WO (1) | WO1990011308A1 (es) |
Families Citing this family (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US5110878A (en) * | 1991-05-14 | 1992-05-05 | E. I. Du Pont De Nemours And Company | Dry polyamide-epichlorohydrin resin power for strengthening wet paper |
| MY156194A (en) | 2012-11-02 | 2016-01-20 | Kao Corp | Method for producing or method for storing liquid composition containing tetrahydro-4h-1,3,5-oxadiazin-4-one |
| US8999110B2 (en) * | 2012-12-19 | 2015-04-07 | Georgia-Pacific Chemicals Llc | Blends of polymers as wet strengthening agents for paper |
Family Cites Families (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US2698787A (en) * | 1951-12-17 | 1955-01-04 | American Cyanamid Co | Urea-formaldehyde resins for wet strength paper and their use |
| US2917427A (en) * | 1955-12-14 | 1959-12-15 | Monsanto Chemicals | Thermosetting resins and high wet strength papers prepared therefrom |
| DE1595336A1 (de) * | 1966-08-09 | 1970-09-03 | Basf Ag | Verfahren zur Herstellung wasserloeslicher kationischer Polykondensate |
| ZA793009B (en) * | 1978-06-24 | 1980-06-25 | British Plastics Ind Ltd | Modified melamine-formaldehyde condensation products |
| DE3313726A1 (de) * | 1983-04-15 | 1984-10-18 | Basf Ag, 6700 Ludwigshafen | Verfahren zur herstellung von wasserloeslichen kationischen harnstoff-formaldehyd-harzen und deren verwendung bei der papierherstellung |
-
1989
- 1989-03-18 DE DE3909007A patent/DE3909007A1/de not_active Withdrawn
-
1990
- 1990-03-14 WO PCT/EP1990/000409 patent/WO1990011308A1/de not_active Ceased
- 1990-03-14 JP JP2504222A patent/JPH04503824A/ja active Pending
- 1990-03-14 EP EP90904337A patent/EP0463012B1/de not_active Expired - Lifetime
- 1990-03-14 ES ES90904337T patent/ES2057541T3/es not_active Expired - Lifetime
- 1990-03-14 DE DE9090904337T patent/DE59002039D1/de not_active Expired - Lifetime
- 1990-03-14 CA CA002049059A patent/CA2049059A1/en not_active Abandoned
- 1990-03-16 PT PT93473A patent/PT93473A/pt not_active Application Discontinuation
Also Published As
| Publication number | Publication date |
|---|---|
| WO1990011308A1 (de) | 1990-10-04 |
| EP0463012B1 (de) | 1993-07-21 |
| EP0463012A1 (de) | 1992-01-02 |
| DE3909007A1 (de) | 1990-09-27 |
| CA2049059A1 (en) | 1990-09-19 |
| JPH04503824A (ja) | 1992-07-09 |
| PT93473A (pt) | 1990-11-07 |
| DE59002039D1 (de) | 1993-08-26 |
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Legal Events
| Date | Code | Title | Description |
|---|---|---|---|
| FG2A | Definitive protection |
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