RO71853B1 - Procedeu pentru obtinerea unor rasini ciclohexanon-formaldehidice - Google Patents
Procedeu pentru obtinerea unor rasini ciclohexanon-formaldehidiceInfo
- Publication number
- RO71853B1 RO71853B1 RO92512A RO9251277A RO71853B1 RO 71853 B1 RO71853 B1 RO 71853B1 RO 92512 A RO92512 A RO 92512A RO 9251277 A RO9251277 A RO 9251277A RO 71853 B1 RO71853 B1 RO 71853B1
- Authority
- RO
- Romania
- Prior art keywords
- formaldehyde resins
- cyclohexanon
- preparing
- ratio
- aqueous solution
- Prior art date
Links
- CJTRGWNHVKRZEB-UHFFFAOYSA-N cyclohexanone;formaldehyde Chemical compound O=C.O=C1CCCCC1 CJTRGWNHVKRZEB-UHFFFAOYSA-N 0.000 title abstract 2
- 229920005989 resin Polymers 0.000 title abstract 2
- 239000011347 resin Substances 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- WSFSSNUMVMOOMR-UHFFFAOYSA-N Formaldehyde Chemical compound O=C WSFSSNUMVMOOMR-UHFFFAOYSA-N 0.000 abstract 3
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 abstract 3
- FAPWRFPIFSIZLT-UHFFFAOYSA-M Sodium chloride Chemical compound [Na+].[Cl-] FAPWRFPIFSIZLT-UHFFFAOYSA-M 0.000 abstract 2
- 239000007864 aqueous solution Substances 0.000 abstract 2
- JHIVVAPYMSGYDF-UHFFFAOYSA-N cyclohexanone Chemical compound O=C1CCCCC1 JHIVVAPYMSGYDF-UHFFFAOYSA-N 0.000 abstract 2
- 239000008346 aqueous phase Substances 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000003795 chemical substances by application Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 239000012074 organic phase Substances 0.000 abstract 1
- 239000012071 phase Substances 0.000 abstract 1
- 238000006068 polycondensation reaction Methods 0.000 abstract 1
- 239000011780 sodium chloride Substances 0.000 abstract 1
Landscapes
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
- Phenolic Resins Or Amino Resins (AREA)
Abstract
Procedeu pentru obtinerea unor rasini ciclohexanon-formaldehidice, caracterizat prin aceea ca se supune reactiei de policondensare ciclohexanona redistilata, cu formaldehida sub forma de solutie apoasa 35...37% stabilizata, în prezenta unui catalizator, constînd dintr-o solutie apoasa de KOH sau NaOH, într-un raport de 1/1,5...2,2/0,1...0,5 si în prezenta unei cantitati de 1...15% NaCl, drept agent de salifiere, raportul dintre faza organica si faza apoasa fiind de 1/4.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO7792512A RO71853A2 (ro) | 1977-12-19 | 1977-12-19 | Procedeu pentru obtinerea unor rasini ciclohexanon-formaldehidice |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO7792512A RO71853A2 (ro) | 1977-12-19 | 1977-12-19 | Procedeu pentru obtinerea unor rasini ciclohexanon-formaldehidice |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO71853B1 true RO71853B1 (ro) | 1983-06-30 |
| RO71853A2 RO71853A2 (ro) | 1983-07-07 |
Family
ID=20099108
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO7792512A RO71853A2 (ro) | 1977-12-19 | 1977-12-19 | Procedeu pentru obtinerea unor rasini ciclohexanon-formaldehidice |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO71853A2 (ro) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| DE4404809A1 (de) * | 1994-02-16 | 1995-08-17 | Huels Chemische Werke Ag | Keton-Aldehydharze mit breiter Verträglichkeit, Verfahren zu ihrer Herstellung und ihre Verwendung |
-
1977
- 1977-12-19 RO RO7792512A patent/RO71853A2/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO71853A2 (ro) | 1983-07-07 |
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