RO73227B1 - Procedeu pentru obtinerea tevilor rigide din pvc permeabile la apa si aer - Google Patents
Procedeu pentru obtinerea tevilor rigide din pvc permeabile la apa si aerInfo
- Publication number
- RO73227B1 RO73227B1 RO92955A RO9295578A RO73227B1 RO 73227 B1 RO73227 B1 RO 73227B1 RO 92955 A RO92955 A RO 92955A RO 9295578 A RO9295578 A RO 9295578A RO 73227 B1 RO73227 B1 RO 73227B1
- Authority
- RO
- Romania
- Prior art keywords
- parts
- air
- pvc pipes
- permeable
- producing rigid
- Prior art date
Links
- 239000004135 Bone phosphate Substances 0.000 abstract 1
- QAOWNCQODCNURD-UHFFFAOYSA-L Sulfate Chemical compound [O-]S([O-])(=O)=O QAOWNCQODCNURD-UHFFFAOYSA-L 0.000 abstract 1
- XOZUGNYVDXMRKW-AATRIKPKSA-N azodicarbonamide Chemical compound NC(=O)\N=N\C(N)=O XOZUGNYVDXMRKW-AATRIKPKSA-N 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000003607 modifier Substances 0.000 abstract 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 abstract 1
- CKQVRZJOMJRTOY-UHFFFAOYSA-N octadecanoic acid;propane-1,2,3-triol Chemical compound OCC(O)CO.CCCCCCCCCCCCCCCCCC(O)=O CKQVRZJOMJRTOY-UHFFFAOYSA-N 0.000 abstract 1
- 230000035939 shock Effects 0.000 abstract 1
- 239000000779 smoke Substances 0.000 abstract 1
- 239000000344 soap Substances 0.000 abstract 1
- 239000000725 suspension Substances 0.000 abstract 1
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 abstract 1
Landscapes
- Extrusion Moulding Of Plastics Or The Like (AREA)
Abstract
Inventia se refera la un procedeu pentru obtinerea tevilor rigide din PVC permeabile la apa si aer, care, în scopul asigurarii unor caracteristici îmbunatatite, se supune extruderii într-un extruder cu doua snecuri cu un amestec bine omogenizat, format din 90 parti PVC tip suspensie cu valoare K64, 1,5 parti sapun de Pd, 0,4 parti stearat de Ca, 1,5 parti sulfat tribazic de Pb, 0,6 parti stearina, 10 parti creta, 0,7 parti azodicarbamida, 10 parti auxiliar de prelucrare, 5 parti modificator de soc si 0,25 parti negru de fum, regimul termic de-a lungul cilindrului extruderii fiind de 50...100/120...170/120...170/120...170/120...170/140...180/150...190/160...200 degree C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO92955A RO73227B1 (ro) | 1978-01-20 | 1978-01-20 | Procedeu pentru obtinerea tevilor rigide din pvc permeabile la apa si aer |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO92955A RO73227B1 (ro) | 1978-01-20 | 1978-01-20 | Procedeu pentru obtinerea tevilor rigide din pvc permeabile la apa si aer |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO73227A2 RO73227A2 (ro) | 1984-05-12 |
| RO73227B1 true RO73227B1 (ro) | 1984-07-01 |
Family
ID=20099275
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO92955A RO73227B1 (ro) | 1978-01-20 | 1978-01-20 | Procedeu pentru obtinerea tevilor rigide din pvc permeabile la apa si aer |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO73227B1 (ro) |
-
1978
- 1978-01-20 RO RO92955A patent/RO73227B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO73227A2 (ro) | 1984-05-12 |
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