RO81749B1 - Material plastic pe baza de polietilena rezistent la degradarea termooxidativa si fotooxidativa - Google Patents
Material plastic pe baza de polietilena rezistent la degradarea termooxidativa si fotooxidativaInfo
- Publication number
- RO81749B1 RO81749B1 RO103960A RO10396081A RO81749B1 RO 81749 B1 RO81749 B1 RO 81749B1 RO 103960 A RO103960 A RO 103960A RO 10396081 A RO10396081 A RO 10396081A RO 81749 B1 RO81749 B1 RO 81749B1
- Authority
- RO
- Romania
- Prior art keywords
- oxidative
- plastic material
- polyethylene
- resisting
- photo
- Prior art date
Links
- -1 polyethylene Polymers 0.000 title abstract 5
- 239000004698 Polyethylene Substances 0.000 title abstract 4
- 229920000573 polyethylene Polymers 0.000 title abstract 4
- 239000000463 material Substances 0.000 title abstract 2
- 238000010525 oxidative degradation reaction Methods 0.000 title abstract 2
- 239000004033 plastic Substances 0.000 title abstract 2
- 229920003023 plastic Polymers 0.000 title abstract 2
- 230000001590 oxidative effect Effects 0.000 title 1
- XBDQKXXYIPTUBI-UHFFFAOYSA-M Propionate Chemical compound CCC([O-])=O XBDQKXXYIPTUBI-UHFFFAOYSA-M 0.000 abstract 1
- 239000006096 absorbing agent Substances 0.000 abstract 1
- 239000002253 acid Substances 0.000 abstract 1
- 150000007513 acids Chemical class 0.000 abstract 1
- 239000000654 additive Substances 0.000 abstract 1
- 230000000996 additive effect Effects 0.000 abstract 1
- 239000003963 antioxidant agent Substances 0.000 abstract 1
- 230000003078 antioxidant effect Effects 0.000 abstract 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 abstract 1
- 150000001875 compounds Chemical class 0.000 abstract 1
- 238000006068 polycondensation reaction Methods 0.000 abstract 1
- 125000004079 stearyl group Chemical group [H]C([*])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])C([H])([H])[H] 0.000 abstract 1
Landscapes
- Compositions Of Macromolecular Compounds (AREA)
Abstract
Materialul plastic pe baza de polietilena, rezistenta la degradarea termooxidativa si fotooxidativa utilizat în agricultura, este constituit din polietilena, un absorber UV, constînd dintr-un compus din clasa ortohidroxihidroxifenonei substituita în pozitia 4, un aditiv de tip amina din clasa derivatilor 4-hidroxi-2,2,6,6, tetraalchilpiperidinei sau a produsilor de policondensare dintre derivatii 4-hidroxi-2,2,6,6,-tetraalchilpiperidinei cu acizii bazici avînd formula generala HOOC-(CH2)n-COOH, în care n este cuprins între 1 si 10 si un antioxidant de tip octadecul-3-(3,5-tert-butil-4-hidroxifenil)-propionat sau izocianat de tris-(3,5-di-tert-butil-4-hidroxibenzil), cei trei componenti fiind în raport molar de 1:0,5...1:0,1...0,25 suma concentratiilor celor trei componente nedepasind 190 raportat la polietilena.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO81103960A RO81749A2 (ro) | 1981-04-03 | 1981-04-03 | Material plastic pe baza de polietilena rezistenta la degradarea termooxidativa si fotooxidativa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO81103960A RO81749A2 (ro) | 1981-04-03 | 1981-04-03 | Material plastic pe baza de polietilena rezistenta la degradarea termooxidativa si fotooxidativa |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO81749B1 true RO81749B1 (ro) | 1983-05-30 |
| RO81749A2 RO81749A2 (ro) | 1983-06-01 |
Family
ID=20109806
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO81103960A RO81749A2 (ro) | 1981-04-03 | 1981-04-03 | Material plastic pe baza de polietilena rezistenta la degradarea termooxidativa si fotooxidativa |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO81749A2 (ro) |
-
1981
- 1981-04-03 RO RO81103960A patent/RO81749A2/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO81749A2 (ro) | 1983-06-01 |
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