RO98216B1 - Procedeu de obtinere a alcoolului polivinilic filabil - Google Patents
Procedeu de obtinere a alcoolului polivinilic filabilInfo
- Publication number
- RO98216B1 RO98216B1 RO129117A RO12911787A RO98216B1 RO 98216 B1 RO98216 B1 RO 98216B1 RO 129117 A RO129117 A RO 129117A RO 12911787 A RO12911787 A RO 12911787A RO 98216 B1 RO98216 B1 RO 98216B1
- Authority
- RO
- Romania
- Prior art keywords
- polyvinyl alcohol
- obtaining
- polymerization
- spinnable
- alcohol
- Prior art date
Links
- 238000000034 method Methods 0.000 title abstract 5
- LFQSCWFLJHTTHZ-UHFFFAOYSA-N Ethanol Chemical compound CCO LFQSCWFLJHTTHZ-UHFFFAOYSA-N 0.000 title 1
- OKKJLVBELUTLKV-UHFFFAOYSA-N Methanol Chemical compound OC OKKJLVBELUTLKV-UHFFFAOYSA-N 0.000 abstract 3
- 239000004372 Polyvinyl alcohol Substances 0.000 abstract 3
- 229920002451 polyvinyl alcohol Polymers 0.000 abstract 3
- 238000006116 polymerization reaction Methods 0.000 abstract 2
- XTXRWKRVRITETP-UHFFFAOYSA-N Vinyl acetate Chemical compound CC(=O)OC=C XTXRWKRVRITETP-UHFFFAOYSA-N 0.000 abstract 1
- 230000015572 biosynthetic process Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000003786 synthesis reaction Methods 0.000 abstract 1
- 229920002994 synthetic fiber Polymers 0.000 abstract 1
- 239000012209 synthetic fiber Substances 0.000 abstract 1
- 229920001059 synthetic polymer Polymers 0.000 abstract 1
- 125000000391 vinyl group Chemical group [H]C([*])=C([H])[H] 0.000 abstract 1
- 229920002554 vinyl polymer Polymers 0.000 abstract 1
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Inventia de fata se refera la un procedeu de obtinere a alcoolului polivinilic filabil, destinat obtinerii de fibre sintetice. Procedeu se poate aplica în industria de obtinere a polimerilor pentru fibre sintetice. Prin procedeu conform inventiei, gradul de polimerizare a produsului se poate regla prin schimbarea raportului acetat de vinil/metanol, demonomerizarea se executa direct în autoclava de polimerizare, metanoliza se face la solutii mai diluate sau mai concentrate de poliacetat de vinil,sinteza alcoolului polivinilic executându-se dupa un program prestabilit, ceea ce usureaza urmarirea procesului. Alcoolul polivinilic obtinut are caracteristicile necesare în vederea filarii.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO129117A RO98216B1 (ro) | 1987-07-20 | 1987-07-20 | Procedeu de obtinere a alcoolului polivinilic filabil |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO129117A RO98216B1 (ro) | 1987-07-20 | 1987-07-20 | Procedeu de obtinere a alcoolului polivinilic filabil |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO98216B1 true RO98216B1 (ro) | 1990-01-30 |
Family
ID=40906325
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO129117A RO98216B1 (ro) | 1987-07-20 | 1987-07-20 | Procedeu de obtinere a alcoolului polivinilic filabil |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO98216B1 (ro) |
-
1987
- 1987-07-20 RO RO129117A patent/RO98216B1/ro unknown
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