RO83483B1 - Procedeu pentru obtinerea unor polimeri de condensare termoreactivi pe baza de diglicidil polieteri polihidroxilici - Google Patents
Procedeu pentru obtinerea unor polimeri de condensare termoreactivi pe baza de diglicidil polieteri polihidroxiliciInfo
- Publication number
- RO83483B1 RO83483B1 RO105457A RO10545781A RO83483B1 RO 83483 B1 RO83483 B1 RO 83483B1 RO 105457 A RO105457 A RO 105457A RO 10545781 A RO10545781 A RO 10545781A RO 83483 B1 RO83483 B1 RO 83483B1
- Authority
- RO
- Romania
- Prior art keywords
- oligomer
- polyether
- polymers based
- diglycyl
- chemical properties
- Prior art date
Links
Landscapes
- Paints Or Removers (AREA)
- Polyurethanes Or Polyureas (AREA)
Abstract
Inventia se refera la un procedeu pentru obtinerea unor polimeri de condensare termoreactivi, pe baza de diglicidil polieteri polihidroxilici, utilizabili ca lianti termoreactivi pentru lacuri si produse de acoperire pigmentate, conform caruia în scopul asigurarii unor pelicule cu proprietati fizico+chimice+mecanice si chimice îmbunatatite precum si a unor stabilitati de depozitare crescute, se aduce în reactie diglicidil esterul bisfenolului A, cu greutate epoxidica echivalenta cuprinsa între 400 si 2800 g/val cu un oligomer fenolic sau aminic cu functionalitate integral hidroxilica sau partial blocata prin esterificare cu alcooli alifatici inferiori în raport gravimetric polieter: oligomer cuprins între 5 : 0,5 si 5 : 2 sau cu un oligomer acrilic în raport polieter: oligomer de 1:12 pana la 1:2, la temperatura sw 110.....150 degree C, în prezenta unui amestec de solventi care asigura o condensare azeotropa izoterma.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO105457A RO83483B1 (ro) | 1981-10-05 | 1981-10-05 | Procedeu pentru obtinerea unor polimeri de condensare termoreactivi pe baza de diglicidil polieteri polihidroxilici |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO105457A RO83483B1 (ro) | 1981-10-05 | 1981-10-05 | Procedeu pentru obtinerea unor polimeri de condensare termoreactivi pe baza de diglicidil polieteri polihidroxilici |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO83483A2 RO83483A2 (ro) | 1984-03-15 |
| RO83483B1 true RO83483B1 (ro) | 1984-03-30 |
Family
ID=20110506
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO105457A RO83483B1 (ro) | 1981-10-05 | 1981-10-05 | Procedeu pentru obtinerea unor polimeri de condensare termoreactivi pe baza de diglicidil polieteri polihidroxilici |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO83483B1 (ro) |
-
1981
- 1981-10-05 RO RO105457A patent/RO83483B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO83483A2 (ro) | 1984-03-15 |
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