RO103375B1 - Compozitie adeziva pe baza de rasina ureoformaldehidica cu continut redus de formol liber si lignosulfonat de calciu tehnic - Google Patents
Compozitie adeziva pe baza de rasina ureoformaldehidica cu continut redus de formol liber si lignosulfonat de calciu tehnicInfo
- Publication number
- RO103375B1 RO103375B1 RO139651A RO13965189A RO103375B1 RO 103375 B1 RO103375 B1 RO 103375B1 RO 139651 A RO139651 A RO 139651A RO 13965189 A RO13965189 A RO 13965189A RO 103375 B1 RO103375 B1 RO 103375B1
- Authority
- RO
- Romania
- Prior art keywords
- urea
- lignosulphonate
- formaldehyde resin
- calcium
- boron
- Prior art date
Links
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 title abstract 4
- 239000000853 adhesive Substances 0.000 title abstract 3
- 230000001070 adhesive effect Effects 0.000 title abstract 3
- 229920001807 Urea-formaldehyde Polymers 0.000 title abstract 2
- GZCGUPFRVQAUEE-SLPGGIOYSA-N aldehydo-D-glucose Chemical compound OC[C@@H](O)[C@@H](O)[C@H](O)[C@@H](O)C=O GZCGUPFRVQAUEE-SLPGGIOYSA-N 0.000 title abstract 2
- OYPRJOBELJOOCE-UHFFFAOYSA-N Calcium Chemical compound [Ca] OYPRJOBELJOOCE-UHFFFAOYSA-N 0.000 title 1
- 229920001732 Lignosulfonate Polymers 0.000 title 1
- 239000004117 Lignosulphonate Substances 0.000 title 1
- 229910052791 calcium Inorganic materials 0.000 title 1
- 239000011575 calcium Substances 0.000 title 1
- 235000019357 lignosulphonate Nutrition 0.000 title 1
- ZOXJGFHDIHLPTG-UHFFFAOYSA-N Boron Chemical compound [B] ZOXJGFHDIHLPTG-UHFFFAOYSA-N 0.000 abstract 2
- XSQUKJJJFZCRTK-UHFFFAOYSA-N Urea Chemical compound NC(N)=O XSQUKJJJFZCRTK-UHFFFAOYSA-N 0.000 abstract 2
- 229910052796 boron Inorganic materials 0.000 abstract 2
- 229920005551 calcium lignosulfonate Polymers 0.000 abstract 2
- 239000004202 carbamide Substances 0.000 abstract 2
- 238000004519 manufacturing process Methods 0.000 abstract 2
- 240000004808 Saccharomyces cerevisiae Species 0.000 abstract 1
- GTUNMKRGRHOANR-UHFFFAOYSA-N [B].[Ca] Chemical compound [B].[Ca] GTUNMKRGRHOANR-UHFFFAOYSA-N 0.000 abstract 1
- RYAGRZNBULDMBW-UHFFFAOYSA-L calcium;3-(2-hydroxy-3-methoxyphenyl)-2-[2-methoxy-4-(3-sulfonatopropyl)phenoxy]propane-1-sulfonate Chemical compound [Ca+2].COC1=CC=CC(CC(CS([O-])(=O)=O)OC=2C(=CC(CCCS([O-])(=O)=O)=CC=2)OC)=C1O RYAGRZNBULDMBW-UHFFFAOYSA-L 0.000 abstract 1
- 239000000126 substance Substances 0.000 abstract 1
- 235000000346 sugar Nutrition 0.000 abstract 1
- 150000008163 sugars Chemical class 0.000 abstract 1
- 239000002023 wood Substances 0.000 abstract 1
Landscapes
- Adhesives Or Adhesive Processes (AREA)
- Dry Formation Of Fiberboard And The Like (AREA)
- Cooling, Air Intake And Gas Exhaust, And Fuel Tank Arrangements In Propulsion Units (AREA)
- Micro-Organisms Or Cultivation Processes Thereof (AREA)
Abstract
Inventia se refera la o compozitie adeziva pe baza de rasina ureoformaldehidica cu continut redus de formol liber (maximum 0,3%) si borhot lignosulfonic de calciu nemodificat pentru fabricarea placilor din aschii de lemn. Solutia preconizata ofera posibilitatea reducerii cu 25% a cantitatii de uree tehnica necesara la prepararea adezivului pentru stratul interior (R1) si/sau stratul exterior (R2), concomitent cu substitutia a 25% din aceasi cantitate de uree tehnica la adezivul pentru stratul interior (R1) si/sau stratul exterior (R2) cu substanta uscata din borhotul lignosulfonic de calciu cu C=50%. Inventia prezinta avantajul valorificarii lignosulfonatului de calciu tehnic si unele cantitati mici de zaharuri continute în borhotul lignosulfonic de calciu nemodificat care rezulta la fabricarea drojdiei furajere.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO139651A RO103375B1 (ro) | 1989-05-10 | 1989-05-10 | Compozitie adeziva pe baza de rasina ureoformaldehidica cu continut redus de formol liber si lignosulfonat de calciu tehnic |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO139651A RO103375B1 (ro) | 1989-05-10 | 1989-05-10 | Compozitie adeziva pe baza de rasina ureoformaldehidica cu continut redus de formol liber si lignosulfonat de calciu tehnic |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO103375A2 RO103375A2 (en) | 1991-12-02 |
| RO103375B1 true RO103375B1 (ro) | 1992-06-25 |
Family
ID=20124661
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO139651A RO103375B1 (ro) | 1989-05-10 | 1989-05-10 | Compozitie adeziva pe baza de rasina ureoformaldehidica cu continut redus de formol liber si lignosulfonat de calciu tehnic |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO103375B1 (ro) |
-
1989
- 1989-05-10 RO RO139651A patent/RO103375B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO103375A2 (en) | 1991-12-02 |
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