RO97522B1 - Ceara saponificata pe baza de polietilena si procedeu de obtinere a acesteia - Google Patents
Ceara saponificata pe baza de polietilena si procedeu de obtinere a acesteiaInfo
- Publication number
- RO97522B1 RO97522B1 RO126778A RO12677887A RO97522B1 RO 97522 B1 RO97522 B1 RO 97522B1 RO 126778 A RO126778 A RO 126778A RO 12677887 A RO12677887 A RO 12677887A RO 97522 B1 RO97522 B1 RO 97522B1
- Authority
- RO
- Romania
- Prior art keywords
- index
- koh
- saponified wax
- obtaining
- bubbling
- Prior art date
Links
- -1 Polyethylene Polymers 0.000 title abstract 2
- 238000000034 method Methods 0.000 title abstract 2
- 239000004698 Polyethylene Substances 0.000 title 1
- 229920000573 polyethylene Polymers 0.000 title 1
- VGGSQFUCUMXWEO-UHFFFAOYSA-N Ethene Chemical compound C=C VGGSQFUCUMXWEO-UHFFFAOYSA-N 0.000 abstract 2
- 239000005977 Ethylene Substances 0.000 abstract 2
- 230000005587 bubbling Effects 0.000 abstract 2
- 229910052791 calcium Inorganic materials 0.000 abstract 2
- 239000011575 calcium Substances 0.000 abstract 2
- 238000013019 agitation Methods 0.000 abstract 1
- AXCZMVOFGPJBDE-UHFFFAOYSA-L calcium dihydroxide Chemical compound [OH-].[OH-].[Ca+2] AXCZMVOFGPJBDE-UHFFFAOYSA-L 0.000 abstract 1
- 229910001861 calcium hydroxide Inorganic materials 0.000 abstract 1
- 235000011116 calcium hydroxide Nutrition 0.000 abstract 1
- 239000000920 calcium hydroxide Substances 0.000 abstract 1
- 125000003178 carboxy group Chemical group [H]OC(*)=O 0.000 abstract 1
- 239000003054 catalyst Substances 0.000 abstract 1
- 239000012459 cleaning agent Substances 0.000 abstract 1
- 125000004185 ester group Chemical group 0.000 abstract 1
- 239000012530 fluid Substances 0.000 abstract 1
- 239000000314 lubricant Substances 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 239000000203 mixture Substances 0.000 abstract 1
- 239000003960 organic solvent Substances 0.000 abstract 1
- 230000003647 oxidation Effects 0.000 abstract 1
- 238000007254 oxidation reaction Methods 0.000 abstract 1
- 239000004033 plastic Substances 0.000 abstract 1
- 229920003023 plastic Polymers 0.000 abstract 1
- 238000006116 polymerization reaction Methods 0.000 abstract 1
- 238000007127 saponification reaction Methods 0.000 abstract 1
- 239000007787 solid Substances 0.000 abstract 1
- 238000003756 stirring Methods 0.000 abstract 1
Landscapes
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
Abstract
Inventia se refera la ceara saponificata, constituita din catene polietilenice cu M indice n =650...850 de care sînt legate grupe carboxil libere, grupe esterice si grupe carboxilat de calciu, ponderea acestora fiind reflectata de valorile indicelui de aciditate, 5...40 mg. KOH indicelui de saponificare 80...120 mg. KOH/g si continutului în cenusa de 0,3...4,5%. Procedeul de obtinere a cerii saponificate consta în oxidarea oligomerilor etilici cu M indice n =650...850 ce rezulta în instalatia de polimerizare la joasa presiune a etilenei cu catalizatori superactivi, prin barbotarea unui curent de aer în topitura de oligomeri etilenici, mentinuta sub agitare, pîna la atingerea IA=20...60 mg. KOH/g, urmata de adaugarea a 0,5...6% var hidratat ce contine minimum 70% Ca(OH) indice 2 si mentinerea amestecului sub agitare si barbotare de aer, la temperatura de 130...200 degree C, timp de 10...60 min, pîna la atingerea IA=5...40 mg. KOH/g. Ceara saponificata poate fi utilizata ca lubrifiant sau damulant la fabricarea materialelor plastice, pentru obtinerea agentilor de curatire fluizi si semisolizi (în special sub forma de paste) pe baza de solventi organici.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO126778A RO97522B1 (ro) | 1987-01-28 | 1987-01-28 | Ceara saponificata pe baza de polietilena si procedeu de obtinere a acesteia |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO126778A RO97522B1 (ro) | 1987-01-28 | 1987-01-28 | Ceara saponificata pe baza de polietilena si procedeu de obtinere a acesteia |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| RO97522B1 true RO97522B1 (ro) | 1989-08-02 |
Family
ID=40905711
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO126778A RO97522B1 (ro) | 1987-01-28 | 1987-01-28 | Ceara saponificata pe baza de polietilena si procedeu de obtinere a acesteia |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO97522B1 (ro) |
-
1987
- 1987-01-28 RO RO126778A patent/RO97522B1/ro unknown
Similar Documents
| Publication | Publication Date | Title |
|---|---|---|
| KR930003899A (ko) | 선형 점탄성 치약 조성물 | |
| KR830006343A (ko) | 소음제거판 제조에 유용한 조성물 | |
| ES2063761T3 (es) | Aditivos dispersantes mejorados derivados de amido-aminas. | |
| DE58906565D1 (de) | Verfahren zur Herstellung eines Ethylen-Propylen-Copolymers. | |
| KR930007891A (ko) | 디티오카바메이트 중합체 | |
| WO1994012571A3 (de) | Mischungen von ungesättigten carbonsäurepolymerisaten und ihre verwendung | |
| EP0178177A3 (en) | Soluble-oil cutting fluid | |
| KR840004921A (ko) | 필름 제조를 위한 에틸렌 폴리머의 조성물 | |
| DE69122513D1 (de) | Verfahren und dispergiermittel für die herstellung von wässrigen kalziumkarbonatsuspensionen mit hohem feststoffgehalt | |
| GB1525402A (en) | Lubricating oil compositions | |
| GB1239083A (ro) | ||
| GB1414063A (en) | Compositions comprising ionic copolymers and slip/block additives | |
| ATE6072T1 (de) | Verfahren zur herstellung eines thermoplastischen elastomers. | |
| JPS5584328A (en) | Treatment of aqueous dispersion | |
| GB1068779A (en) | Soap compositions | |
| RO97522B1 (ro) | Ceara saponificata pe baza de polietilena si procedeu de obtinere a acesteia | |
| GB1410254A (en) | Polyvinyl chloride moulding compositions containing lubricants | |
| GB1138520A (en) | A method for preventing stickiness of fibres consisting of or comprising copolyamide | |
| GB1440261A (en) | Lubricant compositions | |
| JPS56136847A (en) | Polyarylenesulfide composition | |
| JPS5723650A (en) | Preparation of silane-modified ethylene polymer molded article | |
| EP0186790A3 (de) | Copolymerisate des Ethylens und deren Verwendung als Schlagzähmodifier in Thermoplasten | |
| ES2108575T3 (es) | Procedimiento para la obtencion de copolimeros, formados por esteres vinilicos y acidos carboxilicos monoetilenicamente insaturados y su empleo. | |
| EP0385729A3 (en) | C14 carboxylate polymer and viscosity index improver containing oleaginous compositions | |
| ATE91820T1 (de) | Elektrische kabel, die isolierungen auf basis von ethylenpolymerisaten mit hoher widerstandsfaehigkeit gegenueber der bildung von wasserbaeumchen enthalten. |