RO85852B1 - Procedeu pentru obtinerea polieterilor polioli cu continut de fosfor - Google Patents
Procedeu pentru obtinerea polieterilor polioli cu continut de fosforInfo
- Publication number
- RO85852B1 RO85852B1 RO108672A RO10867282A RO85852B1 RO 85852 B1 RO85852 B1 RO 85852B1 RO 108672 A RO108672 A RO 108672A RO 10867282 A RO10867282 A RO 10867282A RO 85852 B1 RO85852 B1 RO 85852B1
- Authority
- RO
- Romania
- Prior art keywords
- phosphorus content
- preparing polyol
- polyol polyethers
- reaction
- kgf
- Prior art date
Links
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 title abstract 2
- 229910052698 phosphorus Inorganic materials 0.000 title abstract 2
- 239000011574 phosphorus Substances 0.000 title abstract 2
- 229920000570 polyether Polymers 0.000 title abstract 2
- 229920005862 polyol Polymers 0.000 title abstract 2
- 150000003077 polyols Chemical class 0.000 title abstract 2
- 238000004519 manufacturing process Methods 0.000 title 1
- LYCAIKOWRPUZTN-UHFFFAOYSA-N Ethylene glycol Chemical compound OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 abstract 6
- NBIIXXVUZAFLBC-UHFFFAOYSA-N Phosphoric acid Chemical compound OP(O)(O)=O NBIIXXVUZAFLBC-UHFFFAOYSA-N 0.000 abstract 4
- 235000011007 phosphoric acid Nutrition 0.000 abstract 2
- 235000000346 sugar Nutrition 0.000 abstract 2
- 150000008163 sugars Chemical class 0.000 abstract 2
- 229920002261 Corn starch Polymers 0.000 abstract 1
- WQZGKKKJIJFFOK-GASJEMHNSA-N Glucose Natural products OC[C@H]1OC(O)[C@H](O)[C@@H](O)[C@@H]1O WQZGKKKJIJFFOK-GASJEMHNSA-N 0.000 abstract 1
- 235000019759 Maize starch Nutrition 0.000 abstract 1
- 239000004721 Polyphenylene oxide Substances 0.000 abstract 1
- 238000006243 chemical reaction Methods 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 239000008103 glucose Substances 0.000 abstract 1
- 238000005858 glycosidation reaction Methods 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
Abstract
Inventia se refera la un procedeu pentru obtinerea polieterilor polioli cu continut de fosfor care consta în reactia de glicozidare a unor zaharuri reducatoare alese dintre glucoza si amidon de porumb cu etilenglicol în prezenta unui exces de acid ortofosforic de concentratie 30...100%, de preferinta 80...90%, la un raport zaharuri: acid ortofosforic: etilenglicol de 1:1...5:1...5, de preferinta 1:1...1,5:1-1,5, la temperatura de 50...110 degree C si vid de 20...50mm Hg, dupa care produsul de reactie obtinut este supus reactiei de polioxialchilare la 50...120 degree C, de preferinta 60...90 degree C si presiune de 0,5...6 kgf/cm2, de preferinta 1...2 kgf/cm2.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO108672A RO85852B1 (ro) | 1982-09-23 | 1982-09-23 | Procedeu pentru obtinerea polieterilor polioli cu continut de fosfor |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO108672A RO85852B1 (ro) | 1982-09-23 | 1982-09-23 | Procedeu pentru obtinerea polieterilor polioli cu continut de fosfor |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO85852A2 RO85852A2 (ro) | 1985-01-24 |
| RO85852B1 true RO85852B1 (ro) | 1985-01-30 |
Family
ID=20112052
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO108672A RO85852B1 (ro) | 1982-09-23 | 1982-09-23 | Procedeu pentru obtinerea polieterilor polioli cu continut de fosfor |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO85852B1 (ro) |
-
1982
- 1982-09-23 RO RO108672A patent/RO85852B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO85852A2 (ro) | 1985-01-24 |
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