CS214910B1 - Method of making the mixture of amids of polyaminocarbon acids and salts thereof - Google Patents
Method of making the mixture of amids of polyaminocarbon acids and salts thereof Download PDFInfo
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- 239000002253 acid Substances 0.000 title claims description 22
- 239000000203 mixture Substances 0.000 title claims description 15
- 150000007513 acids Chemical class 0.000 title claims description 3
- 150000003839 salts Chemical class 0.000 title claims description 3
- 238000004519 manufacturing process Methods 0.000 title description 4
- DNIAPMSPPWPWGF-UHFFFAOYSA-N Propylene glycol Chemical compound CC(O)CO DNIAPMSPPWPWGF-UHFFFAOYSA-N 0.000 claims description 24
- 229910052799 carbon Inorganic materials 0.000 claims description 9
- 238000000034 method Methods 0.000 claims description 6
- 125000004432 carbon atom Chemical group C* 0.000 claims description 4
- 238000002360 preparation method Methods 0.000 claims description 4
- LYCAIKOWRPUZTN-UHFFFAOYSA-N ethylene glycol Natural products OCCO LYCAIKOWRPUZTN-UHFFFAOYSA-N 0.000 claims description 3
- ZNQVEEAIQZEUHB-UHFFFAOYSA-N 2-ethoxyethanol Chemical compound CCOCCO ZNQVEEAIQZEUHB-UHFFFAOYSA-N 0.000 claims description 2
- 150000001412 amines Chemical class 0.000 claims description 2
- 238000009835 boiling Methods 0.000 claims description 2
- -1 glycol ethers Chemical class 0.000 claims description 2
- XLYOFNOQVPJJNP-UHFFFAOYSA-M hydroxide Chemical compound [OH-] XLYOFNOQVPJJNP-UHFFFAOYSA-M 0.000 claims description 2
- WGCNASOHLSPBMP-UHFFFAOYSA-N hydroxyacetaldehyde Natural products OCC=O WGCNASOHLSPBMP-UHFFFAOYSA-N 0.000 claims description 2
- 125000000896 monocarboxylic acid group Chemical group 0.000 claims description 2
- 125000000217 alkyl group Chemical group 0.000 claims 1
- 150000002334 glycols Chemical class 0.000 claims 1
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 18
- IJGRMHOSHXDMSA-UHFFFAOYSA-N Atomic nitrogen Chemical compound N#N IJGRMHOSHXDMSA-UHFFFAOYSA-N 0.000 description 14
- 239000000047 product Substances 0.000 description 14
- 229910052739 hydrogen Inorganic materials 0.000 description 8
- 239000001257 hydrogen Substances 0.000 description 8
- 125000004435 hydrogen atom Chemical class [H]* 0.000 description 8
- OKTJSMMVPCPJKN-UHFFFAOYSA-N Carbon Chemical compound [C] OKTJSMMVPCPJKN-UHFFFAOYSA-N 0.000 description 7
- 229910052757 nitrogen Inorganic materials 0.000 description 7
- 150000001408 amides Chemical class 0.000 description 6
- 159000000000 sodium salts Chemical class 0.000 description 5
- 238000005406 washing Methods 0.000 description 5
- LYRFLYHAGKPMFH-UHFFFAOYSA-N octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(N)=O LYRFLYHAGKPMFH-UHFFFAOYSA-N 0.000 description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 description 3
- 239000003599 detergent Substances 0.000 description 3
- 239000011541 reaction mixture Substances 0.000 description 3
- 238000003756 stirring Methods 0.000 description 3
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 3
- KCXVZYZYPLLWCC-UHFFFAOYSA-N EDTA Chemical compound OC(=O)CN(CC(O)=O)CCN(CC(O)=O)CC(O)=O KCXVZYZYPLLWCC-UHFFFAOYSA-N 0.000 description 2
- REYJJPSVUYRZGE-UHFFFAOYSA-N Octadecylamine Chemical compound CCCCCCCCCCCCCCCCCCN REYJJPSVUYRZGE-UHFFFAOYSA-N 0.000 description 2
- 239000013543 active substance Substances 0.000 description 2
- 230000009435 amidation Effects 0.000 description 2
- 238000007112 amidation reaction Methods 0.000 description 2
- 238000006243 chemical reaction Methods 0.000 description 2
- XXJWXESWEXIICW-UHFFFAOYSA-N diethylene glycol monoethyl ether Chemical compound CCOCCOCCO XXJWXESWEXIICW-UHFFFAOYSA-N 0.000 description 2
- 229940075557 diethylene glycol monoethyl ether Drugs 0.000 description 2
- ILRSCQWREDREME-UHFFFAOYSA-N dodecanamide Chemical compound CCCCCCCCCCCC(N)=O ILRSCQWREDREME-UHFFFAOYSA-N 0.000 description 2
- 238000000921 elemental analysis Methods 0.000 description 2
- 239000006260 foam Substances 0.000 description 2
- IOQPZZOEVPZRBK-UHFFFAOYSA-N octan-1-amine Chemical compound CCCCCCCCN IOQPZZOEVPZRBK-UHFFFAOYSA-N 0.000 description 2
- 150000003141 primary amines Chemical class 0.000 description 2
- DURPTKYDGMDSBL-UHFFFAOYSA-N 1-butoxybutane Chemical compound CCCCOCCCC DURPTKYDGMDSBL-UHFFFAOYSA-N 0.000 description 1
- POAOYUHQDCAZBD-UHFFFAOYSA-N 2-butoxyethanol Chemical compound CCCCOCCO POAOYUHQDCAZBD-UHFFFAOYSA-N 0.000 description 1
- 235000013162 Cocos nucifera Nutrition 0.000 description 1
- 244000060011 Cocos nucifera Species 0.000 description 1
- SNRUBQQJIBEYMU-UHFFFAOYSA-N Dodecane Natural products CCCCCCCCCCCC SNRUBQQJIBEYMU-UHFFFAOYSA-N 0.000 description 1
- IENXJNLJEDMNTE-UHFFFAOYSA-N acetic acid;ethane-1,2-diamine Chemical compound CC(O)=O.NCCN IENXJNLJEDMNTE-UHFFFAOYSA-N 0.000 description 1
- 150000003973 alkyl amines Chemical class 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 150000001735 carboxylic acids Chemical class 0.000 description 1
- WORJEOGGNQDSOE-UHFFFAOYSA-N chloroform;methanol Chemical compound OC.ClC(Cl)Cl WORJEOGGNQDSOE-UHFFFAOYSA-N 0.000 description 1
- 239000008139 complexing agent Substances 0.000 description 1
- 230000008878 coupling Effects 0.000 description 1
- 238000010168 coupling process Methods 0.000 description 1
- 238000005859 coupling reaction Methods 0.000 description 1
- 238000005238 degreasing Methods 0.000 description 1
- MTHSVFCYNBDYFN-UHFFFAOYSA-N diethylene glycol Chemical compound OCCOCCO MTHSVFCYNBDYFN-UHFFFAOYSA-N 0.000 description 1
- LAWOZCWGWDVVSG-UHFFFAOYSA-N dioctylamine Chemical compound CCCCCCCCNCCCCCCCC LAWOZCWGWDVVSG-UHFFFAOYSA-N 0.000 description 1
- GVGUFUZHNYFZLC-UHFFFAOYSA-N dodecyl benzenesulfonate;sodium Chemical compound [Na].CCCCCCCCCCCCOS(=O)(=O)C1=CC=CC=C1 GVGUFUZHNYFZLC-UHFFFAOYSA-N 0.000 description 1
- 125000003438 dodecyl group Chemical group [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])* 0.000 description 1
- JRBPAEWTRLWTQC-UHFFFAOYSA-N dodecylamine Chemical compound CCCCCCCCCCCCN JRBPAEWTRLWTQC-UHFFFAOYSA-N 0.000 description 1
- 230000000694 effects Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 239000012467 final product Substances 0.000 description 1
- 238000005187 foaming Methods 0.000 description 1
- 238000009472 formulation Methods 0.000 description 1
- 239000008233 hard water Substances 0.000 description 1
- 150000003949 imides Chemical class 0.000 description 1
- 239000007788 liquid Substances 0.000 description 1
- 125000002347 octyl 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])[H] 0.000 description 1
- 235000011837 pasties Nutrition 0.000 description 1
- 102220006493 rs80338873 Human genes 0.000 description 1
- 229940080264 sodium dodecylbenzenesulfonate Drugs 0.000 description 1
- 239000004094 surface-active agent Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000012360 testing method Methods 0.000 description 1
- 238000004809 thin layer chromatography Methods 0.000 description 1
- 239000002699 waste material Substances 0.000 description 1
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- Macromolecular Compounds Obtained By Forming Nitrogen-Containing Linkages In General (AREA)
Description
Vynález sa týká spósóbu výroby zmesi amidov polyaminopolykarbónových kyselin a ich solí.
Příprava běžných amidov spočívá najčastejšie v priamom pósobení volných amínov na karbonové kyseliny. Pri aplikácii tohoto postupu vzniká však zmes amidov polyaminopolykarbónových kyselin vo velmi nízkom výťažku (max. 10%), pričom hlavným produktem je zmes mono- a diimidov, ktoré majú úplné odlišné vlastnosti.
Uvedené nevýhody odstraňuje vynález, ktorého podstata spočívá v tom, že sa kyselina, charakterizovaná vzorcom hooch2 \
N—CH2—CH2HOOCCH2 ' —N—CH2—CH2—
GHjCOOH
OHiCOOH n CH2COOH kde n je 0 až 2, amiduje alkylamínom s 8 až 22 atómami uhlíka, výhodné s 8 až 18 atómami uhlíka, pri teplote 140 až 220 °C, výhodné ISO °C, v prostředí glykolov alebo glykoléterov s teplotou varu nad 170 ’C, výhodné v propylénglykole alebo etylénglykolmonoetylétere a získaný produkt sa hydrolyzuje 5 až 40% roztokom alkalického hydroxidu pri teplote 50 až 180 °C.
Podstatnou výhodou tohto spósóbu výroby proti známým spósobom přípravy amidov je vysoký výťažok žiadaného produktu bez obsahu nežiadúcich imidov a jednoduchá technológia výroby bez exhalácií a odpadov. Vlastnosti alkylamidov polyaminopolykárbónových kyselin sú uvedené v tabulke 1 a 3 a pracia schopnost alkylamidov polyaminopolykarbónových kyselin v tabulke 2.
Příklad 1
212 hmotnostných dielov oktylamínu sa rozpustí pri BO až 80 °C v 375 hmotnostných dieloch propylénglykolu, za intenzívnehtí miešania sa přidá 480 hmotnostných dielov kyseliny etyléndiamtootetraoctovej a teplota sa zvyšuje na 140 °C a udržuje po dobu «14«1« hodin, reakčná voda oddestiluje, potom sa reakčná zmes bez odstránenia propylénglykolu hydrolyzuje pri 100 až 120 °C 492,5 hmotnostnými dielmi 40% roztoku hydroxidu sodného po dobu 2 hodin. Produktom je žitý viskózny roztok, obsahujúci 90 % zmesi sodných solí niono-, di- a trioktylamidu kyseliny etyléndiaminotetraoctovej v sušině. Uvedený produkt sa chomatograficky rozdělil tenkovrstvou chromatografiou (Silufol) v sústave chloroformmetanol (95:5), pričom reakčná zmes obsahovala 55 % monooktylamidu kyseliny etyléndiaminotetraoctovej, 30 % dioktylamldu kyseliny etyléndiaminotetraoctovej. ' Elementárna analýza pre monooktylamid kyseliny etyléndiaminotetraoctovej (Ci8H33N3O7) o molekulovej hmotnosti = 403,45 je:
teóriá: uhlík — 53,58 %; vodík — 8,24 %; dusík — 10,41 %;
zistené: uhlík — 53,50 %; vodík — 8,34%; dusík-7- 10,2 %. / .···.:. p ·',··:
Elementárna analýza pre dioktylamid kyseliny etyléndiaminotetraoctovej (C2ňH5oN4OJ o molekulovej hmotnosti — 515,70 je:
teória: uhlík — 60,67 %; vodík — 9,79%; dusík — 10,88 % zistené: uhlík — 60,45 %; vodík — 9,62 %; dusík — 11,08 %.
Vlastnosti produktu sú uvedené v tabulke 1, 3 a pracia schopnost v tabulke 2.
Příklad 2
292 hmotnostných dielov kyseliny etyléndiaminotetraoctovej sa rozmieša pri 100 °C v 403 hmotnostných dieloch dietylénglykolmonoetyléteru („Carbitolu“),přidá sa 185 hmotnostných dielov dodecylamínu, teplota sa zvyšuje na 180 °C a udržuje po dobu hodin, reakčná voda sa oddestiluje a produkt sa hydrolyzuje 600 hmotnostnými dielmi 20% roztoku hydroxidu sodného pri 100 až 120 °C po dobu 2 hodin. Získaný roztok obsahuje 90 % zmesi sodných solí mono-, di- a trldodecylamidu kyseliny etyléndiaminotetraoctovej v sušině. Elementárna analýza dodecylamidu kyseliny etyléndiaminotetraoctovej:
teória: uhlík — 57,50 %; vodík — 8,99 % ; dusík — 9,14 % zistené: uhlík — 57,59 %; vodík — 9,15%; dusík — 8,92 %.
Vlastnosti produktu sú uvedené v tabulke 1, 3 a pracia schopnost v tabulke 2.
Příklad 3
275 hmotnostných dielov oktadecylamínu obsahujúceho 95 % primárného aminu sa rozpustí pri 70 až 80 °C v 228 hmotnostných dieloch propylénglykolu, přidá sa 393 hmotnostných dielov kyseliny dietyléntriaminopentaoctovej, teplota sa zvyšuje na 220 °C a udržuje sa po dobu 4 hodin, reakčná voda sa oddestiluje, potom sa zmes bez odstránenia propylénglykolu hydrolyzuje 1600 dielmi 5 % roztoku hydroxidu sodného pri 100 °C po dobu 3 hodin. Pastovitý produkt obsahuje 80 % zmesi sodných solí mono-, di- a trioktadecyiamidu kyseliny, dietyléntriaminopentaoctovej v sušině.; Vlastnosti tohto produktu sú uvedené v tabulke 1, pracia schopnost v tabulke 2.
Příklad 4 . 275 hmotnostných dielov oktadecylamínu s obsahom 95 % primárného aminu sa pri 100 °C rozpustí v 228 hmotnostných dieloch propylénglykolu a za intenzívneho miešania sa přidá 292 hmotnostných dielov kyseliny etyléndiaminotetraoctovej, teplota sa zvyšuje na 180°C a udržuje sa po dobu 6 hodin, reakčná voda sa oddestiluje a potom sa zmes bez odstránenia propylénglykolu hydrolyzuje v tlakovej nádobě 600 hmotnostnými dielmi 20% hydroxidu sodného pri 140 °C po dobu 30 minút. Získaný produkt obsahuje 85 % zmesi sodných solí mono-, di- a trioktadecyiamidu kyseliny etyléndiaminotetraoctovej v sušině. Elementárna analýza oktadecylamidu kyseliny etyléndiaminotetraoctovej:
teória: uhlík — 61,85; vodík — 9,82; dusík — 7,73 zistené: uhlík — 62,91; vodík — 10,86; dusík — 7,09.
Vlastnosti produktu sú uvedené v tabulke 1, 3 a pracia schopnost v tabulke 2. .
Příklad 5
200 hmotnostných dielov kokosamínu sa zmieša pri 90 °C s 403 hmotnostnými dietami dietylénglykolmonoetyléteru („Garbitol“), přidá sa za intenzívneho miešania 393 hmotnostných dielov kyseliny dietyléntriaminopentaoctovej, teplota sa zvyšuje na 170 °C a pri tejto teplote sa zmes udržuje 5 hodin, pričom sa oddestilováva reakčná voda. Zmes sa hydrolyzuje 534 hmotnostnými dielmi 30 % hydroxidu sodného pri 90 °C po dobu 3 hodin. Konečný produkt obsahuje 90 % zmesi sodných solí mono-, di- a trikokosamidu kyseliny etyléndiaminotetraoctovej v sušině a jeho vlastnosti sú uvedené v tabulke 1, pracia schopnost v tabulke 2.
Příklad 6
Postupovalo sa ako v příklade 4, s tým rozdielom, že amidácia sa uskutočnila v prostředí monobutyléteru a produkt sa hydrolyzuje 20% hydroxidom sodným pri teplote 180 °C po dobu 15 minút.
Příklad 7
Postupovalo sa ako v příklade 5, s tým rozdielom, že amidácia sa uskutočnila v prostředí butylglykolu a bydrolýza produktu sa previedla 30% hydroxidom draselným pri teplote 50 °C po dobu 5 hodin.
Amidy polyaminopolykarbónových kyselin, připravené podl'a vynálezu, majú použitie ako tenzidy s vysokou pracou a odmasťovacou schopnosťou. Pre svoju výborná konzistenčnú stabilitu sú vhodné pre tekuté mycie a pracie prostriedky. Svojim chelatačným účinkom zabezpečujú vysokú detergenčnú účinnost i v tvrdej vodě, znižujú tvorbu inkrustácií, umožňujú v receptúroch detergentov použit nižšie množstvo klasických komplexotvorných přísad a vynikajú dobrou antiredepozičnou schopnosťou.
Tabulka 1
Vlastnosti alkylamidov polyaminopolykarbonových kyselin §2 o c P a
H.2S
O co g cu c —
Zmáčavosť konc. a. 1.
g . I-1 30 oc 60 °C (sek.] 2] konc. a. 1.
g . I-1 30 °C 60 °C penivosť3) výška stabilita pěny pěny (mm) (%j x
o a
koncentrácia aktivněj látky 1 g. 1_1 2) stanovené podl'a podnikovej normy Spolku pro chem. a hutní výrobu Ostí nad Labem 3) stanovené metódou podía Ross-Milesa, konc. aktívnej látky 3 g . 1_I
Tabulka 2
Pracia schopnost' alkylamidov polyaminopolykarbónových kyselin
Produkt Tvrdost PES/Ba 45 °C Na 90 °C z príkl. vody Koncentrácia g a . 1.. I-1 Koncentrácia g a . 1.. I-1 1X1 n c -t n i e ne a n n e -ι n iC o C
Pracia schopnost bola hodnotená skušobnou metódou podía Státní zkušebny č. 240. Pre porovnanie je uvedená pracia schopnost dodecylbenzénsulfónanu sodného (AASJ.
Tabulka 3
Základné vlastnosti reakčných zmesi oktyl (AO), dodecyl (DA) a oktadecylamidu (ODA) kyseliny e ty lén dia min o tc tra octová;
Vzhtad ODA béžová pasta DA červeno hnědý roztok OA medožltý až červeno-The present invention relates to a process for the preparation of a mixture of polyaminopolycarboxylic acid amides and their salts.
The preparation of conventional amides most often consists in direct coupling of the free amines to the carboxylic acids. However, this process produces a mixture of polyaminopolycarboxylic acid amides in a very low yield (max. 10%), the main product being a mixture of mono- and diimides having completely different properties.
The above disadvantages are eliminated by the invention, which is characterized in that the acid is characterized by formula Hooch 2 \
N — CH 2 —CH 2 HOOCCH 2 '—N — CH 2 —CH 2 -
GHjCOOH
OHiCOOH n CH 2 COOH where n is 0 to 2 amidates with an alkylamine having 8 to 22 carbon atoms, preferably 8 to 18 carbon atoms, at a temperature of 140 to 220 ° C, preferably ISO ° C, in a glycol or glycol ether boiling medium above 170 ° C, preferably in propylene glycol or ethylene glycol monoethyl ether, and the product obtained is hydrolyzed with a 5 to 40% alkaline hydroxide solution at a temperature of 50 to 180 ° C.
An essential advantage of this production method over the known amide preparation methods is the high yield of the desired product without undesired imides and the simple production technology without inhalation and waste. The properties of the polyaminopolycarbonic acid alkylamides are shown in Tables 1 and 3 and the washing performance of the polyaminopolycarbonic acid alkylamides in Table 2.
Example 1
212 parts by weight of octylamine are dissolved at BO to 80 ° C in 375 parts by weight of propylene glycol, 480 parts by weight of ethylenediamtootetraacetic acid are added under vigorous stirring and the temperature is raised to 140 ° C and held for «14 1 1 hodin hours. then the reaction mixture is hydrolyzed at 100 to 120 ° C with 492.5 parts by weight of 40% sodium hydroxide solution for 2 hours without removal of propylene glycol. The product is a viscous, viscous solution containing 90% of a mixture of sodium salts of niono-, di- and trioctylamide of ethylenediaminotetraacetic acid in the dry matter. Said product was chromatographed by thin layer chromatography (Silufol) in chloroform-methanol (95: 5), the reaction mixture containing 55% ethylenediaminotetraacetic acid monooctylamide, 30% ethylenediaminotetraacetic acid dioctylamide. 'H, monooktylamid ethylenediaminetetraacetic acid (C 8 H33N 3 O 7) = the molecular weight of 403.45 is:
theories: carbon - 53.58%; hydrogen - 8.24%; nitrogen - 10.41%;
found: carbon - 53.50%; hydrogen - 8.34%; nitrogen-7- 10.2%. /. ···.:. p · ', ··:
H, dioctylamido ethylenediaminetetraacetic acid (C 2 ňH5oN 4 OJ molecular weight - 515.70 is:
theory: carbon - 60.67%; hydrogen - 9.79%; nitrogen - 10.88% found: carbon - 60.45%; hydrogen - 9.62%; nitrogen - 11.08%.
The product properties are shown in Tables 1, 3 and the laundry performance in Table 2.
Example 2
292 parts by weight of ethylenediaminotetraacetic acid are stirred at 100 ° C in 403 parts by weight of diethylene glycol monoethyl ether ("Carbitol"), 185 parts by weight of dodecylamine are added, the temperature is raised to 180 ° C and held for hours, the reaction water is distilled off and hydrolyzed 600 parts by weight of a 20% sodium hydroxide solution at 100 to 120 ° C for 2 hours. The obtained solution contains 90% of a mixture of sodium salts of ethylenediaminotetraacetic acid mono-, di- and trldodecylamide in dry matter. Elemental analysis of ethylenediaminotetraacetic acid dodecylamide:
theory: carbon - 57.50%; hydrogen - 8.99%; nitrogen - 9.14% found: carbon - 57.59%; hydrogen - 9.15%; nitrogen - 8.92%.
The product properties are shown in Tables 1, 3 and the laundry performance in Table 2.
Example 3
275 parts by weight of octadecylamine containing 95% of the primary amine are dissolved at 70 to 80 ° C in 228 parts by weight of propylene glycol, 393 parts by weight of diethylenetriaminopentaacetic acid are added, the temperature is raised to 220 ° C and maintained for 4 hours. then the mixture is hydrolysed with 1600 parts of 5% sodium hydroxide solution at 100 ° C for 3 hours without removing the propylene glycol. The pasty product contains 80% of a mixture of sodium salts of mono-, di- and tri-octadecyl amide, diethylenetriaminopentaacetic acid in the dry matter; The properties of this product are given in Table 1, the washing performance in Table 2.
Example 4. 275 parts by weight of octadecylamine containing 95% primary amine are dissolved in 228 parts by weight of propylene glycol at 100 ° C and 292 parts by weight of ethylenediaminotetraacetic acid are added under vigorous stirring, the temperature is raised to 180 ° C and maintained for 6 hours. The mixture was distilled off and then the mixture was hydrolyzed in a pressure vessel with 600 parts by weight of 20% sodium hydroxide at 140 ° C for 30 minutes without removing the propylene glycol. The product obtained contains 85% of a mixture of sodium salts of ethylenediaminotetraacetic acid mono-, di- and trioctadecyl amide in dry matter. Elemental analysis of ethylenediaminotetraacetic acid octadecylamide:
theory: carbon-61.85; hydrogen - 9.82; nitrogen - 7.73 found: carbon - 62.91; hydrogen - 10.86; nitrogen - 7.09.
The product properties are shown in Tables 1, 3 and the laundry performance in Table 2..
Example 5
200 parts by weight of coconut are mixed at 90 ° C with 403 parts by weight of diethylene glycol monoethyl ether ("Garbitol"), 393 parts by weight of diethylenetriaminopentaacetic acid are added with vigorous stirring, the temperature is raised to 170 ° C and maintained at this temperature for 5 hours. the reaction water is distilled off. The mixture was hydrolyzed with 534 parts by weight of 30% sodium hydroxide at 90 ° C for 3 hours. The final product contains 90% of a mixture of the sodium salts of mono-, di- and tricocosamide of ethylenediaminotetraacetic acid in the dry state and its properties are given in Table 1, washing performance in Table 2.
Example 6
The procedure was as in Example 4, except that the amidation was carried out in monobutyl ether and the product was hydrolyzed with 20% sodium hydroxide at 180 ° C for 15 minutes.
Example 7
The procedure was as in Example 5, except that the amidation was carried out in butyl glycol and the product was hydrolyzed with 30% potassium hydroxide at 50 ° C for 5 hours.
The polyaminopolycarboxylic acid amides prepared according to the invention have utility as surfactants with high washing and degreasing properties. Due to their excellent consistency stability they are suitable for liquid detergents and detergents. Due to their chelating effect, they ensure high detergency efficiency even in hard water, reduce the formation of encrustations, allow lower amounts of classical complexing agents to be used in detergent formulations and excel in good antiredeposition properties.
Table 1
Properties of polyaminopolycarboxylic acid alkylamides §2
H.2S
About what g cu c -
Wettability conc. a. First
g. I-1 30 ° C 60 ° C (s.] 2] Conc. A. 1.
g. I- 1 30 ° C 60 ° C foaming 3 ) height foam foam stability (mm) (% jx
oa
active substance concentration 1 g. 1 _1 2 ) determined according to the company standard of the Association for Chem. and metallurgical production Ostí nad Labem 3 ) determined by the method according to Ross-Miles, conc. active substance 3 g. 1 _I
Table 2
They work the ability of alkyl amides of polyaminopolycarboxylic acids
Product Hardness PES / Ba 45 ° C To 90 ° C from Ex. water Concentration ga. 1 .. I -1 Concentration ga. 1 .. I -1 1X1 nc -tnie ne anne -ι n iC o C
The working ability was evaluated by the test method according to the State Testing Laboratory no. 240. For comparison, the washing performance of sodium dodecylbenzenesulfonate (AASJ.
Table 3
Essential properties of the reaction mixtures of octyl (AO), dodecyl (DA) and octadecylamide (ODA) of ethylenediamine acetic acid;
ODA beige paste DA red-brown solution OA yellow to red-Claims (1)
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS181676A CS214910B1 (en) | 1976-03-22 | 1976-03-22 | Method of making the mixture of amids of polyaminocarbon acids and salts thereof |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CS181676A CS214910B1 (en) | 1976-03-22 | 1976-03-22 | Method of making the mixture of amids of polyaminocarbon acids and salts thereof |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CS214910B1 true CS214910B1 (en) | 1982-06-25 |
Family
ID=5353483
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CS181676A CS214910B1 (en) | 1976-03-22 | 1976-03-22 | Method of making the mixture of amids of polyaminocarbon acids and salts thereof |
Country Status (1)
| Country | Link |
|---|---|
| CS (1) | CS214910B1 (en) |
-
1976
- 1976-03-22 CS CS181676A patent/CS214910B1/en unknown
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