ECSP961689A - A CATALYTIC COMPOSITION AND METHOD FOR CURING UREA FORMALDEHYDE RESINS - Google Patents
A CATALYTIC COMPOSITION AND METHOD FOR CURING UREA FORMALDEHYDE RESINSInfo
- Publication number
- ECSP961689A ECSP961689A ECSP961689A ECSP961689A EC SP961689 A ECSP961689 A EC SP961689A EC SP961689 A ECSP961689 A EC SP961689A EC SP961689 A ECSP961689 A EC SP961689A
- Authority
- EC
- Ecuador
- Prior art keywords
- formaldehyde resins
- urea formaldehyde
- catalytic composition
- curing urea
- curing
- Prior art date
Links
- 239000000203 mixture Substances 0.000 title abstract 3
- 229920001807 Urea-formaldehyde Polymers 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 230000003197 catalytic effect Effects 0.000 title 1
- 239000011230 binding agent Substances 0.000 abstract 2
- 239000000337 buffer salt Substances 0.000 abstract 2
- 239000003054 catalyst Substances 0.000 abstract 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 239000007864 aqueous solution Substances 0.000 abstract 1
- 239000004202 carbamide Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000002245 particle Substances 0.000 abstract 1
- 239000000243 solution Substances 0.000 abstract 1
- 239000000758 substrate Substances 0.000 abstract 1
- 239000002023 wood Substances 0.000 abstract 1
Landscapes
- Dry Formation Of Fiberboard And The Like (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Abstract
Se da a conocer una composición ligante para substratos tales como piezas de madera para la fabricación de planchas de partículas. El ligante comprende una mezcla de una primera solución acuosa, que comprende un catalizador de sal buffer y preferentemente una ácido con una segunda solución que comprende urea y fomaldehido. También se dan a conocer métodos para usar las sales buffer como catalizador para el curado de resinas de urea-formaldehido.A binder composition is disclosed for substrates such as pieces of wood for the manufacture of particle boards. The binder comprises a mixture of a first aqueous solution, which comprises a buffer salt catalyst and preferably an acid with a second solution comprising urea and fomaldehyde. Methods for using the buffer salts as a catalyst for curing urea-formaldehyde resins are also disclosed.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ECSP961689 ECSP961689A (en) | 1996-03-18 | 1996-03-18 | A CATALYTIC COMPOSITION AND METHOD FOR CURING UREA FORMALDEHYDE RESINS |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| ECSP961689 ECSP961689A (en) | 1996-03-18 | 1996-03-18 | A CATALYTIC COMPOSITION AND METHOD FOR CURING UREA FORMALDEHYDE RESINS |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| ECSP961689A true ECSP961689A (en) | 1997-07-28 |
Family
ID=42042421
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| ECSP961689 ECSP961689A (en) | 1996-03-18 | 1996-03-18 | A CATALYTIC COMPOSITION AND METHOD FOR CURING UREA FORMALDEHYDE RESINS |
Country Status (1)
| Country | Link |
|---|---|
| EC (1) | ECSP961689A (en) |
-
1996
- 1996-03-18 EC ECSP961689 patent/ECSP961689A/en unknown
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