RO101789B1 - PROCEDEU DE OBTINERE A DIALCHILDICETENEI îN EMULSIE APOASA - Google Patents
PROCEDEU DE OBTINERE A DIALCHILDICETENEI îN EMULSIE APOASAInfo
- Publication number
- RO101789B1 RO101789B1 RO135329A RO13532988A RO101789B1 RO 101789 B1 RO101789 B1 RO 101789B1 RO 135329 A RO135329 A RO 135329A RO 13532988 A RO13532988 A RO 13532988A RO 101789 B1 RO101789 B1 RO 101789B1
- Authority
- RO
- Romania
- Prior art keywords
- aqueous emulsion
- dialkildiketene
- minutes
- obtaining method
- reaction
- Prior art date
Links
- 239000000839 emulsion Substances 0.000 title abstract 3
- 238000000034 method Methods 0.000 title abstract 2
- ZMANZCXQSJIPKH-UHFFFAOYSA-N Triethylamine Chemical compound CCN(CC)CC ZMANZCXQSJIPKH-UHFFFAOYSA-N 0.000 abstract 3
- 239000003795 chemical substances by application Substances 0.000 abstract 2
- 239000006185 dispersion Substances 0.000 abstract 2
- VUQPJRPDRDVQMN-UHFFFAOYSA-N 1-chlorooctadecane Chemical compound CCCCCCCCCCCCCCCCCCCl VUQPJRPDRDVQMN-UHFFFAOYSA-N 0.000 abstract 1
- 229920002472 Starch Polymers 0.000 abstract 1
- 150000001348 alkyl chlorides Chemical class 0.000 abstract 1
- 125000000129 anionic group Chemical group 0.000 abstract 1
- 125000002091 cationic group Chemical group 0.000 abstract 1
- 229920002678 cellulose Polymers 0.000 abstract 1
- 239000001913 cellulose Substances 0.000 abstract 1
- 238000001816 cooling Methods 0.000 abstract 1
- 230000001804 emulsifying effect Effects 0.000 abstract 1
- 230000002209 hydrophobic effect Effects 0.000 abstract 1
- 238000004519 manufacturing process Methods 0.000 abstract 1
- 238000002360 preparation method Methods 0.000 abstract 1
- 239000008107 starch Substances 0.000 abstract 1
- 235000019698 starch Nutrition 0.000 abstract 1
- 238000003756 stirring Methods 0.000 abstract 1
Classifications
-
- C—CHEMISTRY; METALLURGY
- C07—ORGANIC CHEMISTRY
- C07D—HETEROCYCLIC COMPOUNDS
- C07D305/00—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms
- C07D305/02—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms not condensed with other rings
- C07D305/10—Heterocyclic compounds containing four-membered rings having one oxygen atom as the only ring hetero atoms not condensed with other rings having one or more double bonds between ring members or between ring members and non-ring members
- C07D305/12—Beta-lactones
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Paper (AREA)
- Polysaccharides And Polysaccharide Derivatives (AREA)
Abstract
Inventia se refera la un procedeu de obtinere a dialchildicetenei în emulsie apoasa, utilizata ca auxiliar la emulsionarea dispersiei fine a celulozei hidrofobe, la fabricarea hârtiei, constând în reactia dintre clorura de alchil, de preferinta clorura de stearil si trietilamina, luate în raport molar de 1/1...2, de preferinta 1/1,5, în emulsia apoasa continând 1...5% agent cationic pe baza de amidon, de preferinta 3% si 0,1...1% agent de dispersie anionic, de preferinta 0,5%, la temperatura de 70 degree C, timp de 30...120 min, de preferinta 60 min, sub agitare continua, urmata de racirea bruca a masei de reactie la temperatura de 20...25 degree C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO1988135329A RO101789A2 (ro) | 1988-09-29 | 1988-09-29 | Procedeu de obtinere a dialchildicetenei in emulsie apoasa |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| RO1988135329A RO101789A2 (ro) | 1988-09-29 | 1988-09-29 | Procedeu de obtinere a dialchildicetenei in emulsie apoasa |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| RO101789B1 true RO101789B1 (ro) | 1991-07-30 |
| RO101789A2 RO101789A2 (ro) | 1991-12-09 |
Family
ID=20122555
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| RO1988135329A RO101789A2 (ro) | 1988-09-29 | 1988-09-29 | Procedeu de obtinere a dialchildicetenei in emulsie apoasa |
Country Status (1)
| Country | Link |
|---|---|
| RO (1) | RO101789A2 (ro) |
Families Citing this family (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| SE511318C2 (sv) * | 1993-02-22 | 1999-09-13 | Eka Chemicals Ab | Förfarande för framställning av ketendimerer |
-
1988
- 1988-09-29 RO RO1988135329A patent/RO101789A2/ro unknown
Also Published As
| Publication number | Publication date |
|---|---|
| RO101789A2 (ro) | 1991-12-09 |
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