DK2231735T3 - Fremgangsmåde til kontinuerlig fremstilling af høj-effektive vandige aminoformaldehydharpiksopløsninger. - Google Patents
Fremgangsmåde til kontinuerlig fremstilling af høj-effektive vandige aminoformaldehydharpiksopløsninger. Download PDFInfo
- Publication number
- DK2231735T3 DK2231735T3 DK08864494.3T DK08864494T DK2231735T3 DK 2231735 T3 DK2231735 T3 DK 2231735T3 DK 08864494 T DK08864494 T DK 08864494T DK 2231735 T3 DK2231735 T3 DK 2231735T3
- Authority
- DK
- Denmark
- Prior art keywords
- reaction
- reaction mixture
- formaldehyde
- catalyst
- condensation
- Prior art date
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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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/0053—Details of the reactor
- B01J19/006—Baffles
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J19/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J19/24—Stationary reactors without moving elements inside
- B01J19/2405—Stationary reactors without moving elements inside provoking a turbulent flow of the reactants, such as in cyclones, or having a high Reynolds-number
-
- 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
-
- 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
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01F—MIXING, e.g. DISSOLVING, EMULSIFYING OR DISPERSING
- B01F25/00—Flow mixers; Mixers for falling materials, e.g. solid particles
- B01F25/40—Static mixers
- B01F25/42—Static mixers in which the mixing is affected by moving the components jointly in changing directions, e.g. in tubes provided with baffles or obstructions
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00761—Details of the reactor
- B01J2219/00763—Baffles
- B01J2219/00765—Baffles attached to the reactor wall
- B01J2219/00768—Baffles attached to the reactor wall vertical
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00761—Details of the reactor
- B01J2219/00763—Baffles
- B01J2219/00765—Baffles attached to the reactor wall
- B01J2219/0077—Baffles attached to the reactor wall inclined
-
- B—PERFORMING OPERATIONS; TRANSPORTING
- B01—PHYSICAL OR CHEMICAL PROCESSES OR APPARATUS IN GENERAL
- B01J—CHEMICAL OR PHYSICAL PROCESSES, e.g. CATALYSIS OR COLLOID CHEMISTRY; THEIR RELEVANT APPARATUS
- B01J2219/00—Chemical, physical or physico-chemical processes in general; Their relevant apparatus
- B01J2219/00761—Details of the reactor
- B01J2219/00763—Baffles
- B01J2219/00765—Baffles attached to the reactor wall
- B01J2219/0077—Baffles attached to the reactor wall inclined
- B01J2219/00772—Baffles attached to the reactor wall inclined in a helix
Landscapes
- Chemical & Material Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Organic Chemistry (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Claims (10)
1
1. Fremgangsmåde til kontinuerlig fremstilling af en vandig aminoformaldehydhar-piksopløsning, fortrinsvis melaminformaldehydharpiksopløsning (MF) eller ureaformalde-hydharpiksopløsning (UF) eller melamin-urea-formaldehydharpiks (MUF), hvilken fremgangsmåde omfatter trinnene med a. fremstilling af en reaktionsblanding med en aminoforbindelse og et vandigt formaldehyd, b. tilsætning af en katalysator til reaktionsblandingen, c. udsættelse af reaktionsblandingen for en kondenseringsreaktion i nærvær af katalysatoren kendetegnet ved, at - i trin a) aminoforbindelsen og formaldehydet tilsættes som en koncentreret vandig opløsning eller som et faststof til et samlet faststofindhold i reaktionsblandingen på 40 -85 vægt-% tørvægt i forhold til den samlede vægt af reaktionsblandingen, hvor - i trin c) kondenseringsreaktionen finder sted i en kontinuerlig stempelstrømning af reaktionsblandingen enten i en statisk mixer, der omfatter et rør, der indeholder in-line-blandingselementer, eller i en rørreaktor med turbulent stempelstrømning, og hvor - i trin b) katalysatoren kontinuerligt tilføjes og dispergeres fint i reaktionsblandingen gennem et eller flere tilføringssteder, - eventuelt i trin d) tilsætning af en mængde aminoforbindelse efter kondensering, - eventuelt i trin e) fjernelse af vand for at opnå et højere faststofindhold, og - hvor den kontinuerlige stempelstrømning i trin c) er kendetegnet ved et Boden-stein-tal på mindst 10.
2. Fremgangsmåde ifølge krav 1, hvor molforholdet mellem formaldehyd og aminoforbindelse, F/A defineret som F/((NH2)2), er på mellem 0,5 og 4,5.
3. Fremgangsmåde ifølge krav 1 til 2, hvor i trin a) en reaktionsblanding fremstilles ved at lade formaldehyd reagere med aminoforbindelsen i nærvær af en syre eller basekatalysator for fremstilling af en opløsning af methyloleret aminoforbindelse.
4. Fremgangsmåde ifølge krav 3, hvor trinnet med methylolering udføres ved en temperatur på over en sedimenteringstemperatur, hvor der forekommer sedimentering af reagenserne eller reaktionsprodukterne.
5. Fremgangsmåde ifølge kravene 3 eller 4, hvor pFI'et i trinnet med methylolering i tilfælde af UF er tilpasset til mellem 4,0 og 10,0, og i tilfælde af MF til mellem 7,0 og 11,0.
6. Fremgangsmåde ifølge kravene 1-5, hvor reaktionsblandingens viskositet i begyndelsen af trinnet med kondenseringsreaktionen er på mellem 1 og 50 mPas bestemt ved stuetemperatur, og hvor formaldehydharpiksopløsningens viskositet, der er opnået ved afslutningen af trinnet med kondenseringsreaktion, er på mellem 50 og 4000 mPas, bestemt ved stuetemperatur, ifølge DIN EN ISO 3219:10/94, og hvor stuetemperaturen er på 23,0 +/- 0,2 °C. 2
7. Fremgangsmåde ifølge krav 1-6, hvor pH'et i trinnet med kondenseringsreaktionen i tilfælde af UF er på mellem 3 og 7 og i tilfælde af MF er på mellem 7 og 11, og hvor temperaturen under kondenseringsreaktionen er på mellem 60 og 180 °C, og hvor opholdstiden i kondenseringsreaktionen er på mellem 0,5 og 60 minutter for UF og 0,5 til 120 5 minutter for MF.
8. Fremgangsmåde ifølge et hvilket som helst af kravene 1-7, hvor reaktionshastigheden i kondenseringsreaktionen er indstillet og/eller styret ved styring af pFI'et med mængden af tilføjet katalysator.
9. Fremgangsmåde ifølge krav 1-8, hvor i trin (d) yderligere aminoforbindelse er til-10 sat til aminoformaldehydharpiksopløsningen, der er opnået efter trinnet med kondenseringsreaktionen, for at opnå et molforhold mellem formaldehyd og aminoforbindelse (F/NFI2)2) på mellem 0,5 og 1,5, og et samlet tørstofindhold, bestemt ifølge DIN EN ISO 3251:2003, på mellem 50 og 85 vægt-%.
10. Fremgangsmåde ifølge krav 9, hvor røret i den statiske mixer har en indre dia-15 meter på højest 70 cm, og hvor røret i den statiske mixer omfatter mindst 22 blandingselementer.
Applications Claiming Priority (3)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US11/962,482 US20090163694A1 (en) | 2007-12-21 | 2007-12-21 | Process for the continuous production of high efficient aqueous amino formaldehyde resin solutions |
GB0813470A GB0813470D0 (en) | 2008-07-23 | 2008-07-23 | A process for the continuous production of high efficient aqueous amino formaldehyde resin solutions |
PCT/EP2008/068120 WO2009080798A1 (en) | 2007-12-21 | 2008-12-19 | A process for the continuous production of high efficient aqueous amino formaldehyde resin solutions |
Publications (1)
Publication Number | Publication Date |
---|---|
DK2231735T3 true DK2231735T3 (da) | 2016-09-12 |
Family
ID=40497620
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
DK08864494.3T DK2231735T3 (da) | 2007-12-21 | 2008-12-19 | Fremgangsmåde til kontinuerlig fremstilling af høj-effektive vandige aminoformaldehydharpiksopløsninger. |
Country Status (9)
Country | Link |
---|---|
EP (1) | EP2231735B1 (da) |
CN (1) | CN101981076A (da) |
AR (1) | AR071551A1 (da) |
AU (1) | AU2008339964A1 (da) |
BR (1) | BRPI0821339A2 (da) |
CL (1) | CL2008003877A1 (da) |
DK (1) | DK2231735T3 (da) |
RU (1) | RU2491303C2 (da) |
WO (1) | WO2009080798A1 (da) |
Families Citing this family (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN102391450A (zh) * | 2011-10-13 | 2012-03-28 | 河南省中原大化集团有限责任公司 | 一种连续生产氨基树脂的方法 |
CN103130973B (zh) * | 2011-11-28 | 2015-04-08 | 同济大学 | 一种合成三聚氰胺脲醛树脂微球的方法 |
US9080086B2 (en) | 2012-03-29 | 2015-07-14 | Basf Se | Melamine-reinforced UF glues with up to 0.9% of melamine for producing medium-density fiberboard |
DE112013001771A5 (de) | 2012-03-29 | 2015-09-10 | Basf Se | Melamin-verstärkte UF-Leime mit bis zu 0,9% Melamin für die Herstellung von mitteldichten Faserplatten |
EP2872583B1 (en) * | 2012-07-13 | 2016-05-04 | Akzo Nobel Coatings International B.V. | Adhesive system |
GB2538040B (en) * | 2015-02-18 | 2017-10-18 | Vapourtec Ltd | Flow reactor and method of conducting flow reactions |
CN104987480B (zh) * | 2015-06-10 | 2017-07-25 | 袁军 | 一种弱酸法e1级环保中纤板用脲醛树脂胶黏剂制备工艺 |
CN106241992B (zh) * | 2016-09-16 | 2019-01-29 | 淄博鲁瑞精细化工有限公司 | 纺织印染废水脱色絮凝剂的制备方法 |
CN107151298A (zh) * | 2017-05-09 | 2017-09-12 | 陕西中兴林产科技股份有限公司 | 苹果木e0级中密度纤维板的改性脲醛胶及其制备方法 |
CN110787748B (zh) * | 2019-11-04 | 2022-02-15 | 江阴市澄阳新技术有限公司 | 搅拌轴及具有其的反应釜 |
EP4029890A1 (en) | 2021-01-18 | 2022-07-20 | Foresa Technologies S.L.U. | Method for the production of urea-formaldehyde resins, the resins obtained therewith, and applications of said resins |
CN113061222B (zh) * | 2021-03-29 | 2022-07-01 | 重庆建峰浩康化工有限公司 | 一种稳态全混流釜式反应生产醚化氨基树脂的新工艺 |
Family Cites Families (12)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE1570998A1 (de) * | 1965-09-18 | 1970-03-19 | Meissner Fa Josef | Verfahren zur kontinuierlichen Herstellung von Harnstoff-Formaldehyd-Kondensationsprodukten |
DE2109754B2 (de) * | 1971-03-02 | 1973-11-29 | Basf Ag | Verfahren zur kontinuierlichen Her stellung von Aminoplastlosungen |
BE786056A (fr) * | 1971-07-16 | 1973-01-10 | Basf Ag | Procede de preparation de resines d'impregnation uree-formol stables |
GB1460029A (en) * | 1972-12-21 | 1976-12-31 | Perstorp Ab | Continuous process for the production of phenolic urea and mela mine resins and apparatus therefor |
US4239646A (en) * | 1974-09-23 | 1980-12-16 | Champion International Corporation | Microspheric opacifying agents and method for their production |
RU2046808C1 (ru) * | 1992-07-23 | 1995-10-27 | Вячеслав Евгеньевич Алексеев | Способ получения мочевиноформальдегидной смолы |
RU2064940C1 (ru) * | 1992-11-11 | 1996-08-10 | Научно-исследовательский институт пластических масс им.Г.С.Петрова с Опытным московским заводом пластмасс | Способ получения мочевиноформальдегидных смол |
US5763687A (en) * | 1995-12-15 | 1998-06-09 | Mitsui Chemicals, Inc. | Preparation process for aromatic mononitro compounds |
DE102005022228A1 (de) * | 2005-05-10 | 2006-11-23 | Ami-Agrolinz Melamine International Gmbh | Melamin-Formaldehyd Harzlösung und Verfahren zu deren Herstellung |
GR1005819B (el) * | 2006-05-26 | 2008-02-14 | Chimar (Hellas) �.�. | Αμινοπλαστικες ρητινες υψηλης αποδοσης για λιγνοκυτταρινικα υλικα. |
AU2008240821A1 (en) * | 2007-04-20 | 2008-10-30 | Dsm Ip Assets B.V. | Preparation of a condensation resin and impregnation process |
AU2008328032A1 (en) * | 2007-11-22 | 2009-05-28 | Dsm Ip Assets B.V. | Process for the preparation of a condensation resin |
-
2008
- 2008-12-19 EP EP08864494.3A patent/EP2231735B1/en active Active
- 2008-12-19 AU AU2008339964A patent/AU2008339964A1/en not_active Abandoned
- 2008-12-19 DK DK08864494.3T patent/DK2231735T3/da active
- 2008-12-19 BR BRPI0821339-9A patent/BRPI0821339A2/pt not_active IP Right Cessation
- 2008-12-19 RU RU2010130296/04A patent/RU2491303C2/ru active
- 2008-12-19 CN CN2008801273738A patent/CN101981076A/zh active Pending
- 2008-12-19 WO PCT/EP2008/068120 patent/WO2009080798A1/en active Application Filing
- 2008-12-22 AR ARP080105656A patent/AR071551A1/es unknown
- 2008-12-22 CL CL2008003877A patent/CL2008003877A1/es unknown
Also Published As
Publication number | Publication date |
---|---|
RU2010130296A (ru) | 2012-01-27 |
RU2491303C2 (ru) | 2013-08-27 |
BRPI0821339A2 (pt) | 2015-06-16 |
AR071551A1 (es) | 2010-06-30 |
CN101981076A (zh) | 2011-02-23 |
WO2009080798A1 (en) | 2009-07-02 |
CL2008003877A1 (es) | 2009-10-16 |
EP2231735B1 (en) | 2016-06-08 |
AU2008339964A1 (en) | 2009-07-02 |
EP2231735A1 (en) | 2010-09-29 |
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