FR2710071A1 - Formulation and device which make it possible to prolong and improve the efficiency of degreasing solvents - Google Patents

Formulation and device which make it possible to prolong and improve the efficiency of degreasing solvents Download PDF

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Publication number
FR2710071A1
FR2710071A1 FR9311294A FR9311294A FR2710071A1 FR 2710071 A1 FR2710071 A1 FR 2710071A1 FR 9311294 A FR9311294 A FR 9311294A FR 9311294 A FR9311294 A FR 9311294A FR 2710071 A1 FR2710071 A1 FR 2710071A1
Authority
FR
France
Prior art keywords
degreasing
formulation
solvents
purifier
solvent
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Withdrawn
Application number
FR9311294A
Other languages
French (fr)
Inventor
Galy Jean-Pierre
Angeli Jean-Marc
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Aix Marseille Universite
Original Assignee
Universite Paul Cezanne Aix Marseille III
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
Filing date
Publication date
Application filed by Universite Paul Cezanne Aix Marseille III filed Critical Universite Paul Cezanne Aix Marseille III
Priority to FR9311294A priority Critical patent/FR2710071A1/en
Publication of FR2710071A1 publication Critical patent/FR2710071A1/en
Withdrawn legal-status Critical Current

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D1/00—Detergent compositions based essentially on surface-active compounds; Use of these compounds as a detergent
    • C11D1/004—Surface-active compounds containing F
    • B—PERFORMING OPERATIONS; TRANSPORTING
    • B08—CLEANING
    • B08B—CLEANING IN GENERAL; PREVENTION OF FOULING IN GENERAL
    • B08B3/00—Cleaning by methods involving the use or presence of liquid or steam
    • B08B3/006—Cabinets or cupboards specially adapted for cleaning articles by hand
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/40—Dyes ; Pigments
    • C—CHEMISTRY; METALLURGY
    • C11—ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
    • C11D—DETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/02—Inorganic compounds
    • C11D7/04—Water-soluble compounds
    • C11D7/06—Hydroxides
    • C—CHEMISTRY; METALLURGY
    • C23—COATING METALLIC MATERIAL; COATING MATERIAL WITH METALLIC MATERIAL; CHEMICAL SURFACE TREATMENT; DIFFUSION TREATMENT OF METALLIC MATERIAL; COATING BY VACUUM EVAPORATION, BY SPUTTERING, BY ION IMPLANTATION OR BY CHEMICAL VAPOUR DEPOSITION, IN GENERAL; INHIBITING CORROSION OF METALLIC MATERIAL OR INCRUSTATION IN GENERAL
    • C23G—CLEANING OR DE-GREASING OF METALLIC MATERIAL BY CHEMICAL METHODS OTHER THAN ELECTROLYSIS
    • C23G5/00—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents
    • C23G5/02—Cleaning or de-greasing metallic material by other methods; Apparatus for cleaning or de-greasing metallic material with organic solvents using organic solvents

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • General Chemical & Material Sciences (AREA)
  • Materials Engineering (AREA)
  • Mechanical Engineering (AREA)
  • Metallurgy (AREA)
  • Detergent Compositions (AREA)
  • Cleaning By Liquid Or Steam (AREA)
  • Cleaning And De-Greasing Of Metallic Materials By Chemical Methods (AREA)

Abstract

The invention relates to a formulation and to a device which make it possible to purify and improve the performance of degreasing solvents. An aqueous purification formulation (4, 5), which is immiscible and with a different density, produces a two-phase system with commonly used degreasing solvents. The technique of the invention regularises the quality of degreasing operations using solvents and contributes to protecting the environment. The formulation and device according to the invention are particularly intended for improving the performance and for increasing the duration of use of solvents for the degreasing fountain. The degreasing fountain (1), which is conventional, is fitted to a special drum (2). A dip pipe (3) makes it possible to renew the purifier (4, 5), the colouring of which facilitates the operation. Its length, and that of the suction (6) and discharge (7) pipes for the degreasing solvent (8), depend on the difference in density between the degreasing solvent and the purifier.

Description

'FORMULATION ET DISPOSITIF PERMETTANT DE PROLONGER ET
D'AMELIORER L'EFFICACITE DES SOLVANTS DE DEGRAISSAGE".'FORMULATION AND DEVICE FOR EXTENDING AND
IMPROVE THE EFFICIENCY OF DEGREASING SOLVENTS ".

La présente invention concerne une formulation et dispositif
permettant d'épurer et d'améliorer les performances des solvants
de dégraissage.The present invention relates to a formulation and device
to purify and improve the performance of solvents
degreasing.

Traditionnellement, on adapte une fontaine de dégraissage
sur un fût, dont on remplace une partie du solvant de dégraissage
par de l'eau. La plupart des souillures grasses entrainées par le
solvant de dégraissage se concentrent à l'interface et polluent
progressivement le solvant de dégraissage, dont l'efficacité décroit
rapide ment.Traditionally, we adapt a degreasing fountain
on a drum, part of which degreasing solvent is replaced
with water. Most oily stains caused by
degreasing solvent concentrate at the interface and pollute
gradually degreasing solvent, whose effectiveness decreases
quickly.

La technique de l'invention permet de remédier à cet incon
vénient en utilisant une formulation aqueuse d'épuration et un
dispositif spécifique de mise en oeuvre (FIG 1).The technique of the invention overcomes this inconvenience.
comes using an aqueous cleaning formulation and a
specific implementation device (FIG 1).

Cette formulation réalise un système biphasique avec les
solvants de dégraissage couramment utilisés.This formulation achieves a two-phase system with the
commonly used degreasing solvents.

La présence de la phase d'épuration augmente la qualité de
l'opération de dégraissage. Son renouvellement, facilité par
l'utilisation d'un colorant, permet de prolonger la longévité du
solvant de dégraissage.The presence of the purification phase increases the quality of
the degreasing operation. Its renewal, facilitated by
the use of a dye, prolongs the longevity of the
degreasing solvent.

Les graisses sont hydrosolubilisées, par saponification, et/ou
dispersées, par émulsification, dans la phase d'épuration.Fats are water-solubilized, by saponification, and / or
dispersed, by emulsification, in the purification phase.

L'agent mouillant ( agent tensio-actif fluorocarboné) améliore
l'efficacité du solvant de dégraissage en favorisant le décollement
et la mise en émulsion des pollutions grasses, et l'action des agents
saponifiant et émulsifiants de la formulation aqueuse d'épuration,
en diminuant la tension superficielle à une valeur inférieure ou
égale à 30 mN/m (à 25 "C). The wetting agent (fluorocarbon surfactant) improves
the effectiveness of the degreasing solvent by promoting detachment
and the emulsion of fatty pollutions, and the action of agents
saponifier and emulsifiers of the aqueous purification formulation,
decreasing the surface tension to a lower value or
equal to 30 mN / m (at 25 "C).

A titre d'exemple à caractère non limitatif, la formulation peut-être
tension actif fluorocarboné 0,2 à 1 %
hydroxyde de sodium 0,5 à 4 métasilicate de sodium 1 à 6 % phosphate trisodique 1,5 à 8 % jaune de tartrazine (E102) 0,5 à 2,0 ppm eau QSP 100 %
Le dessin annexé illustre le dispositif de l'invention (FIG 1).By way of nonlimiting example, the formulation may be
active fluorocarbon voltage 0.2 to 1%
sodium hydroxide 0.5 to 4 sodium metasilicate 1 to 6% trisodium phosphate 1.5 to 8% tartrazine yellow (E102) 0.5 to 2.0 ppm water QSP 100%
The accompanying drawing illustrates the device of the invention (FIG 1).

En référence à ce dessin, le dispositif comprend un fût spécial (2), présentant un orifice latéral en partie haute, qui permet d'utiliser une canne plongeante (3) pour renouveler l'épurateur (4,5). With reference to this drawing, the device comprises a special barrel (2), having a lateral orifice in the upper part, which makes it possible to use a plunging rod (3) to renew the purifier (4,5).

La longueur de cette canne plongeante (3), ainsi que les dimensions relatives des cannes d'aspiration (6) et de rejet (7) dépendent de la masse spécifique du solvant de dégraissage. The length of this plunging rod (3), as well as the relative dimensions of the suction (6) and rejection (7) rods depend on the specific mass of the degreasing solvent.

Le remplissage du fût spécial (2) est fonction de la masse spécifique du solvant de dégraissage. Dans le cas où cette valeur est inférieure à la masse spécifique de l'épurateur (cas illustré
FIG 1), l'épurateur (4) doit être ajouté au solvant de dégraissage (8), de façon å ce que l'agent mouillant de l'épurateur soit présent dans les deux phases, ainsi qu'en concentration élevée à l'interface.The filling of the special barrel (2) depends on the specific mass of the degreasing solvent. In the case where this value is less than the specific mass of the scrubber (illustrated case
FIG 1), the scrubber (4) must be added to the degreasing solvent (8), so that the wetting agent of the scrubber is present in both phases, as well as in high concentration at the interface.

L'opération de dégraissage terminée, le solvant est directement transféré dans la partie médiane de la phase d'épuration, à l'aide de la canne plongeante de rejet (7). After the degreasing operation, the solvent is directly transferred to the middle part of the purification phase, using the plunging rejection rod (7).

La formulation et le dispositif selon l'invention sont particulièrement destinés à l'amélioration des opérations de dégraissage en fontaine (1).  The formulation and the device according to the invention are particularly intended for improving the degreasing operations in a fountain (1).

Claims (5)

REVENDICATIONS 1) Formulation destinée à la régularisation et à la prolongation de l'efficacité des solvants de dégraissage, caractérisée en ce qu'elle contient un agent tensio-actif fluorocarboné qui diminue la tension superficielle à une valeur inférieure ou égale à 30 mN/m (à 25 "C), et améliore l'efficacité des agents saponifiants et émulsifiants, cette formulation réalisant un système biphasique avec les solvants de dégraissage couramment utilisés.1) Formulation intended for regulating and prolonging the effectiveness of degreasing solvents, characterized in that it contains a fluorocarbon surfactant which decreases the surface tension to a value less than or equal to 30 mN / m ( at 25 "C), and improves the efficiency of the saponifying and emulsifying agents, this formulation producing a two-phase system with the commonly used degreasing solvents. 2) Formulation selon la revendication précédente, caractérisée en ce qu'elle contient un colorant.2) Formulation according to the preceding claim, characterized in that it contains a dye. 3) Formulation selon l'une quelconque des revendications précédentes, caractérisée en ce qu'elle contient tensio actif fluorocarboné 0,2 à 1 % hydroxyde de sodium 0,5 à 4 % métasilicate de sodium 1 à 6 phosphate trisodique 1,5 à 8 % jaune de tartrazine (E 102) 0,5 à 2,0 ppm eau QSP 100 %3) Formulation according to any one of the preceding claims, characterized in that it contains fluorocarbon surfactant 0.2 to 1% sodium hydroxide 0.5 to 4% sodium metasilicate 1 to 6 trisodium phosphate 1.5 to 8 % tartrazine yellow (E 102) 0.5 to 2.0 ppm water QSP 100% La formulation aqueuse d'épuration permet de nettoyer efficacement et durablement le solvant des graisses qu'il concentre.The aqueous purification formulation makes it possible to effectively and durably clean the solvent of the greases which it concentrates. 4) Dispositif pour la mise en oeuvre d'une formulation selon l'une quelconque des revendications précédentes, caractérisé en ce qu'il comprend un fût spécial (1) (2), présentant un orifice latéral en partie haute, qui permet d'utiliser une canne plongeante (3), pour renouveler l'épurateur (4, 5), le dispositif comprend des cannes plongeantes d'aspiration (6) et de rejet (7) pour réaliser les opérations de transfert respectives dans la partie médiane de chaque phase, les dimensions des trois cannes plongeantes (3, 6, 7) sont fonctions de la valeur de la masse spécifique du solvant de dégraissage utilisé.4) Device for the implementation of a formulation according to any one of the preceding claims, characterized in that it comprises a special barrel (1) (2), having a lateral orifice in the upper part, which makes it possible to use a plunging rod (3), to renew the purifier (4, 5), the device comprises plunging rods for suction (6) and rejection (7) to carry out the respective transfer operations in the middle part of each phase, the dimensions of the three diving rods (3, 6, 7) are a function of the value of the specific mass of the degreasing solvent used. 5) Dispositif selon la revendication précédente, caractérisé en ce que le fond du fût spécial (2) présente une inclinaison facilitant le renouvellement de l'épurateur dans le cas où le solvant de dégraissage (8) a une masse spécifique inférieure à celle de l'épurateur (4). 5) Device according to the preceding claim, characterized in that the bottom of the special barrel (2) has an inclination facilitating the renewal of the purifier in the case where the degreasing solvent (8) has a specific gravity less than that of l '' purifier (4).
FR9311294A 1993-09-16 1993-09-16 Formulation and device which make it possible to prolong and improve the efficiency of degreasing solvents Withdrawn FR2710071A1 (en)

Priority Applications (1)

Application Number Priority Date Filing Date Title
FR9311294A FR2710071A1 (en) 1993-09-16 1993-09-16 Formulation and device which make it possible to prolong and improve the efficiency of degreasing solvents

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
FR9311294A FR2710071A1 (en) 1993-09-16 1993-09-16 Formulation and device which make it possible to prolong and improve the efficiency of degreasing solvents

Publications (1)

Publication Number Publication Date
FR2710071A1 true FR2710071A1 (en) 1995-03-24

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ID=9451127

Family Applications (1)

Application Number Title Priority Date Filing Date
FR9311294A Withdrawn FR2710071A1 (en) 1993-09-16 1993-09-16 Formulation and device which make it possible to prolong and improve the efficiency of degreasing solvents

Country Status (1)

Country Link
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Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3652417A (en) * 1968-03-01 1972-03-28 Carus Corp Stabilization of alkali metal permanganate in alkaline solution
DE3247431A1 (en) * 1982-12-22 1984-06-28 Henkel KGaA, 4000 Düsseldorf METHOD FOR REGENERATION OR FOR RECYCLING AQUEOUS DEGREASING AND CLEANING SOLUTIONS
JPH03799A (en) * 1989-05-29 1991-01-07 Asahi Chem Res Lab Ltd Aqueous detergent composition for flux

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3652417A (en) * 1968-03-01 1972-03-28 Carus Corp Stabilization of alkali metal permanganate in alkaline solution
DE3247431A1 (en) * 1982-12-22 1984-06-28 Henkel KGaA, 4000 Düsseldorf METHOD FOR REGENERATION OR FOR RECYCLING AQUEOUS DEGREASING AND CLEANING SOLUTIONS
JPH03799A (en) * 1989-05-29 1991-01-07 Asahi Chem Res Lab Ltd Aqueous detergent composition for flux

Non-Patent Citations (1)

* Cited by examiner, † Cited by third party
Title
DATABASE WPI Week 9107, Derwent World Patents Index; AN 91-048190 *

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