RO71425B1 - Procedeu pentru prepararea unui aditiv pe baza de polimeri ai esterilor metacrilici pentru uleiuri lubrifiante - Google Patents
Procedeu pentru prepararea unui aditiv pe baza de polimeri ai esterilor metacrilici pentru uleiuri lubrifianteInfo
- Publication number
- RO71425B1 RO71425B1 RO90588A RO9058877A RO71425B1 RO 71425 B1 RO71425 B1 RO 71425B1 RO 90588 A RO90588 A RO 90588A RO 9058877 A RO9058877 A RO 9058877A RO 71425 B1 RO71425 B1 RO 71425B1
- Authority
- RO
- Romania
- Prior art keywords
- methacrylic
- esther
- preparing
- polymer
- transesterification
- Prior art date
Links
- 229920000642 polymer Polymers 0.000 title abstract 2
- 239000000654 additive Substances 0.000 title 1
- 230000000996 additive effect Effects 0.000 title 1
- 239000000314 lubricant Substances 0.000 title 1
- 238000004519 manufacturing process Methods 0.000 title 1
- 125000005395 methacrylic acid group Chemical group 0.000 title 1
- 239000003921 oil Substances 0.000 title 1
- CDBYLPFSWZWCQE-UHFFFAOYSA-L Sodium Carbonate Chemical compound [Na+].[Na+].[O-]C([O-])=O CDBYLPFSWZWCQE-UHFFFAOYSA-L 0.000 abstract 4
- VVQNEPGJFQJSBK-UHFFFAOYSA-N Methyl methacrylate Chemical compound COC(=O)C(C)=C VVQNEPGJFQJSBK-UHFFFAOYSA-N 0.000 abstract 2
- 150000001298 alcohols Chemical class 0.000 abstract 2
- 229910000029 sodium carbonate Inorganic materials 0.000 abstract 2
- 235000017550 sodium carbonate Nutrition 0.000 abstract 2
- 238000005809 transesterification reaction Methods 0.000 abstract 2
- 238000005406 washing Methods 0.000 abstract 2
- JHPBZFOKBAGZBL-UHFFFAOYSA-N (3-hydroxy-2,2,4-trimethylpentyl) 2-methylprop-2-enoate Chemical compound CC(C)C(O)C(C)(C)COC(=O)C(C)=C JHPBZFOKBAGZBL-UHFFFAOYSA-N 0.000 abstract 1
- BVKZGUZCCUSVTD-UHFFFAOYSA-L Carbonate Chemical compound [O-]C([O-])=O BVKZGUZCCUSVTD-UHFFFAOYSA-L 0.000 abstract 1
- 239000003377 acid catalyst Substances 0.000 abstract 1
- 125000003118 aryl group Chemical group 0.000 abstract 1
- 238000005119 centrifugation Methods 0.000 abstract 1
- 239000007795 chemical reaction product Substances 0.000 abstract 1
- 238000004821 distillation Methods 0.000 abstract 1
- 150000002148 esters Chemical class 0.000 abstract 1
- 229940097789 heavy mineral oil Drugs 0.000 abstract 1
- 239000003112 inhibitor Substances 0.000 abstract 1
- 238000002347 injection Methods 0.000 abstract 1
- 239000007924 injection Substances 0.000 abstract 1
- 239000003879 lubricant additive Substances 0.000 abstract 1
- 239000010687 lubricating oil Substances 0.000 abstract 1
- 238000000034 method Methods 0.000 abstract 1
- 238000006386 neutralization reaction Methods 0.000 abstract 1
- 238000006116 polymerization reaction Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 230000035484 reaction time Effects 0.000 abstract 1
- 239000011734 sodium Substances 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
Landscapes
- Lubricants (AREA)
- Low-Molecular Organic Synthesis Reactions Using Catalysts (AREA)
- Organic Low-Molecular-Weight Compounds And Preparation Thereof (AREA)
Abstract
Procedeu pentru prepararea unui aditiv pe baza de polimeri ai esterilor metacrilici, pentru uleiuri lubrifiante prin transesterificarea metacrilatului de metil cu alcooli superiori C6-C20 în prezenta de catalizator acid si de inhibitor de polimerizare, caracterizat prin aceea ca în scopul reducerii timpului de reactie la faza de transesterificare, se efectueaza injectarea treptata a metacrilatului de metil în alcooli în raport molar de 1,5....3/1, timp de 4...6 h, produsul de reactie fiind prelucrat prin neutralizare pe Na2CO3 solid centrifugare, spalare cu solutie de carbonat de sodiu în cazul esterilor cu C10-C20 sau prin distilare în prezenta de 10....20% greutate ulei mineral greu sau extract aromatic urmata de spalare cu solutie de carbonat de Na, în cazul esterilor cu C6-C10.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO90588A RO71425B1 (ro) | 1977-06-07 | 1977-06-07 | Procedeu pentru prepararea unui aditiv pe baza de polimeri ai esterilor metacrilici pentru uleiuri lubrifiante |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO90588A RO71425B1 (ro) | 1977-06-07 | 1977-06-07 | Procedeu pentru prepararea unui aditiv pe baza de polimeri ai esterilor metacrilici pentru uleiuri lubrifiante |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO71425A2 RO71425A2 (ro) | 1983-04-29 |
| RO71425B1 true RO71425B1 (ro) | 1983-04-30 |
Family
ID=20097814
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO90588A RO71425B1 (ro) | 1977-06-07 | 1977-06-07 | Procedeu pentru prepararea unui aditiv pe baza de polimeri ai esterilor metacrilici pentru uleiuri lubrifiante |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO71425B1 (ro) |
-
1977
- 1977-06-07 RO RO90588A patent/RO71425B1/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO71425A2 (ro) | 1983-04-29 |
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