WO1999057203A1 - Adsorbed surfactants and uses therefor - Google Patents
Adsorbed surfactants and uses therefor Download PDFInfo
- Publication number
- WO1999057203A1 WO1999057203A1 PCT/US1999/009201 US9909201W WO9957203A1 WO 1999057203 A1 WO1999057203 A1 WO 1999057203A1 US 9909201 W US9909201 W US 9909201W WO 9957203 A1 WO9957203 A1 WO 9957203A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- surfactant
- composition
- alkoxylated
- group
- surfactants
- Prior art date
Links
Classifications
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/28—Compounds of silicon
-
- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
-
- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
Definitions
- This invention relates generally to a product comprising surfactants adsorbed onto a solid carrier. It relates more particularly to particular surfactants adsorbed onto magnesium silicate materials which possess high pore volumes, and to uses for the magnesium silicate/surfactant combination.
- surfactant is derived from the words "surface active agent”. Within the definition of this word are included various soaps, detergents, emulsifiers, wetting agents, and dispersants. Surfactants are well known for their ability to make water and oil miscible with one another, and this ability is attributed to the property of surfactants in general to form micellular domains owing to the presence of a hydrophobic and hydophillic portion within the same given surfactant molecule. When surfactants are in a solution, they collect at the surface of the solution, reducing the free energy of the surface, which makes it easier for the solution to spread across a solid. Thus, a further, well-known property of surfactants is that they facilitate the wetting of solid surfaces by solutions.
- surfactants including nonionic surfactants are available from Huntsman Petrochemical Corporation of 7114 North Lamar Blvd., Austin, Texas, including, but not limited to: SURFONIC® L24-4 (alcohol ethoxylate); SURFONIC® L24-9 (alcohol ethoxylate); SURFONIC® OP- 100; (alkylphenol ethoxylate) SURFONIC® JL80-X (alcohol alkoxylates); SURFONIC® N-120 (alkylphenol ethoxylate) ; and SURFONIC® TDA-8 (alcohol ethoxylate).
- U.S. Patent 5,631,205 to Killick et al. teaches the use of an adjuvant composition for use with a herbicide.
- U.S. Patent 5,550,115 to Garst et al. sets forth a dry composition useful as an adjuvant in the agricultural field.
- surfactants are employed in the agricultural art in order to increase the amount of biologically-active ingredient which is effectively delivered to the target species or area.
- MAGNESOL® A family of compounds known as MAGNESOL® are available from The Dallas Group of America, Inc. 1402 Fabricon Blvd., Jeffersonville, Indiana. These compounds are a synthetic amorphous hydrous form of magnesium silicate which are pure white, odorless, and tasteless having the approximate chemical formula MgO:2.6SiO2. The materials have a porous internal structure and a large activated surface area. Two such materials are known as MAGNESOL® Super Flow and MAGNESOL® Flow Plus.
- the silicate-based compositions according to the invention are of the formula M y O : X SiO 2 having adsorbed onto the surface of the particles at least one surfactant, and in which X is between 2.00 and 3.00 including every hundredth therebetween, and wherein M is a metal atom selected from the group consisting of a mono or divalent metal atom, and is most preferably an alkali metal or alkaline earth metal.
- M is a metal atom selected from the group consisting of a mono or divalent metal atom, and is most preferably an alkali metal or alkaline earth metal.
- M is a monovalent metal atom
- the value of y is preferably 2.
- the value of y is preferably 1.
- Production of MAGNESOL® having surfactants adsorbed thereon may be carried out by first providing the surfactant to be adsorbed and next causing the MAGNESOL® to come into contact with the surfactant for a time period sufficient for adsorption.
- a time period sufficient for adsorption As an example, into a four-liter beaker half filled with one of the aforesaid liquid surfactants is poured 100 grams of Flow Plus MAGNESOL®. The beaker is heated to 50 degrees Centigrade for 20 minutes, after which time the excess surfactant is filtered off using filtration methods well known to those of ordinary skill in the art.
- the surfactant may be mixed with water and sprayed onto the MAGNESOL® and the water allowed or forced to evaporate.
- Table I In Table I., a lower negative (closer to zero) score indicates better performance. Thus, the best performance and hence most preferred embodiment of this invention with respect to whiteness retention and anti-redeposition is observed when Huntsman SURFONIC® L24-9 is adsorbed onto the Flow Plus MAGNESOL®. Employment of soda ash as a builder in laundry detergent formulations along with various surfactants is well-known. However, as the above examples show, the Huntsman SURFONIC® materials when adsorbed onto MAGNESOL® materials provide superior properties in the finished formulation respecting whitening power over soda ash.
- test swatches obtained from Scientific Services S/D of Sparrowbush, NY.
- the test swatches selected for evaluation were: cotton 400 soiled with clay; cotton 400 soiled with dust sebum; 7535 WRL cotton/polyester permanent press soiled with clay; and 7535 WRL cotton/polyester permanent press soiled with dust sebum along with clean white swatches of each cloth type.
- the size of each swatch employed was 4 inches by 3 inches, and each had been dried in a 75 degree C oven for at least a 90 minute period prior to the evaluations.
- the detergency evaluations were carried out using a Model 72436 Terg-O-Tometer TM, well-known to those skilled in detergent evaluation art employing one-liter wash/rinse solutions.
- the test conditions were: 95 degrees F., water hardness of 150 ppm as calcium carbonate, a Ca/Mg ratio of 2/1 and agitator revolution of 100-110 r.p.m..
- Each Terg-O- TometerTM pot contained three swatches of each soil/cloth type and two clean/white swatches of cloth type per test run.
- Each test run consisted of a ten minute wash followed by a five minute rinse. The rinse used deionized water at the test temperature.
- a complete test run consisted of three replicate runs, with random pot/test sample assignments for each run.
- amorphous metallic silicate materials such as the MAGNESOL® materials
- MAGNESOL® materials find particular advantage is as a carrier for anti-foaming agents.
- horizontal-axis machines supply more mechanical agitation to the contents of the rotating drum, which results in a greater degree of foam being generated.
- the larger foam volumes require more effective surfactants useful in controlling foaming.
- foam control is typically achieved by adding a defoamer or anti-foaming agent to the formulation.
- the defoamer is typically present as a coating on particles of soda ash (sodium carbonate) at a level of between about 5 % to 10 %.
- soda ash sodium carbonate
- Such materials are free flowing powders, which may be dry blended into various detergent formulations.
- An improvement to this approach is to use a precipitated metallic silicate, such as a magnesium silicate, including without limitation one of the MAGNESOL® materials aforementioned, as a carrier for the defoamer or anti-foam agent.
- magnesium silicate is known to be useful as an anti- caking agent and is known to possess whiteness-improving characteristics when used in laundry detergents
- precipitated magnesium silicate particles having an adsorbed antifoaming agent are capable of functioning as an anti-foam, as an anti-caking additive, and as a whitening agent, thus making preparation and use of detergents containing such materials more convenient and economical with respect to the methods known in the art.
- consistency of manufactured quality from batch to batch of detergent using such materials shall be greatly increased.
- the powdered stock was mixed with and dissolved in distilled water at a level of 1.25 grams of the powdered stock per liter to provide a solution to be tested.
- the powdered stock itself consisted in each case of 4.0 % by weight of the magnesium silicate / surfactant Adduct under evaluation, and 96.0 % by weight of Tide Ultra® powdered laundry detergent, which powdered stock was thoroughly mixed by tumbling.
- to a Waring® "Commercial Laboratory Blender" of 5 cup capacity was added 200 grams of the solution to be tested.
- the blender was energized on its low speed setting for 30 seconds, after which time the blender was turned off and the contents of the blender immediately poured into a 900 milliliter graduated cylinder. After a five minute setting period during which time the solution was permitted to rest motionless on a tabletop at room temperature, the volume of foam present in the graduated cylinder was recorded. The results of the foam readings thus obtained are set forth below in Table I.
- TA-100 is an antifoam agent available from Taylor Chemical Company Inc., of Lawrenceville, Georgia
- TEGO 3062 is an antifoam agent available from Goldschmidt Chemical Corporation of Hopewell, Virginia
- SE-26, S-204, S-133, ASP-8, and ASP-15 are antifoam agents available from Wacker Silicones Corporation of Adrian, Michigan
- Antifoam- A is an antifoam agent available from Dow Chemical Company of Midland, Michigan
- the Surfonic® LF-41, Surfonic® LF-27, and Surfonic® LF-17 are antifoam agents available from Huntsman Petrochemical Corporation of Austin, Texas.
- the instance in the example of Table I where TA-100 is employed is the most preferred form of the invention for reducing foam in laundry applications.
- Sample 1 in Table I above contained no Adduct, and is therefore useful as a reference standard by which the performance of the other solutions may be gauged.
- significant decreases in foam volume are obtainable when certain Adducts are employed, in which the Adducts are formed from mixing an anti-foam agent and a surfactant in a ratio of 1:1, in accordance with the most preferred form of the invention, other ratios of surfactant to magnesium silicate are now indicated as providing useful compositions of matter in accordance with the invention, including ratios in the range of 0.01 : 1 to 1.70 : 1 and every hundredth therebetween.
- MAGNESOL® Another use anticipated for the aforementioned and other surfactants adsorbed onto MAGNESOL® materials is in wet or dry formulations for agricultural use including, but not limited to, those employed as soil penetrants, defoliants, and herbicides.
- the MAGNESOL® which has the surfactant adsorbed thereon, is incorporated into a wet or dry formulation for the above uses.
- the surfactant may be either cationic, anionic, or preferably non-ionic.
- MAGNESOL® Another use anticipated for the aforementioned and other surfactants adsorbed onto MAGNESOL® materials is in cement formulations for construction use.
- the MAGNESOL®, which has the surfactant adsorbed thereon, is incorporated into a wet or dry
- the surfactant may be either cationic, anionic, or preferably non-
- MAGNESOL® Another use anticipated for the aforementioned and other surfactants adsorbed onto MAGNESOL® materials is in wet or dry coatings materials including, but not limited to, paints and dry powder coatings formulations.
- the MAGNESOL® which has the surfactant adsorbed thereon, is incorporated into a wet or dry formulation for the above uses.
- the surfactant may be either cationic, anionic, or preferably non-ionic.
- MAGNESOL® Another use anticipated for the aforementioned and other surfactants adsorbed onto MAGNESOL® materials is in ink formulations for the printing industry.
- the MAGNESOL® which has the surfactant adsorbed thereon, is incorporated into an ink formulation.
- the surfactant may be either cationic, anionic, or preferably non-ionic.
- MAGNESOL® Another use anticipated for the aforementioned and other surfactants adsorbed onto MAGNESOL® materials is in asphalt emulsions used in the paving industry.
- the MAGNESOL® which has the surfactant adsorbed thereon, is incorporated into the asphalt formulation.
- the surfactant may be either cationic, anionic, or preferably non-ionic.
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Detergent Compositions (AREA)
Abstract
Description
Claims
Priority Applications (4)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
BR9910331-1A BR9910331A (en) | 1998-05-01 | 1999-04-28 | Adsorbed surfaces and their uses |
CA002329771A CA2329771A1 (en) | 1998-05-01 | 1999-04-28 | Adsorbed surfactants and uses therefor |
AU40697/99A AU4069799A (en) | 1998-05-01 | 1999-04-28 | Adsorbed surfactants and uses therefor |
EP99924122A EP1075501A1 (en) | 1998-05-01 | 1999-04-28 | Adsorbed surfactants and uses therefor |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
US8389598P | 1998-05-01 | 1998-05-01 | |
US60/083,895 | 1998-05-01 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO1999057203A1 true WO1999057203A1 (en) | 1999-11-11 |
Family
ID=22181348
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/US1999/009201 WO1999057203A1 (en) | 1998-05-01 | 1999-04-28 | Adsorbed surfactants and uses therefor |
Country Status (5)
Country | Link |
---|---|
EP (1) | EP1075501A1 (en) |
AU (1) | AU4069799A (en) |
BR (1) | BR9910331A (en) |
CA (1) | CA2329771A1 (en) |
WO (1) | WO1999057203A1 (en) |
Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB2019822A (en) * | 1978-04-28 | 1979-11-07 | Albright & Wilson | Improvements relating to talc dispersions |
US4187192A (en) * | 1977-02-14 | 1980-02-05 | Lankro Chemicals Ltd. | Talc dispersions |
-
1999
- 1999-04-28 CA CA002329771A patent/CA2329771A1/en not_active Abandoned
- 1999-04-28 WO PCT/US1999/009201 patent/WO1999057203A1/en not_active Application Discontinuation
- 1999-04-28 AU AU40697/99A patent/AU4069799A/en not_active Abandoned
- 1999-04-28 EP EP99924122A patent/EP1075501A1/en not_active Ceased
- 1999-04-28 BR BR9910331-1A patent/BR9910331A/en not_active Application Discontinuation
Patent Citations (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
US4187192A (en) * | 1977-02-14 | 1980-02-05 | Lankro Chemicals Ltd. | Talc dispersions |
GB2019822A (en) * | 1978-04-28 | 1979-11-07 | Albright & Wilson | Improvements relating to talc dispersions |
Also Published As
Publication number | Publication date |
---|---|
AU4069799A (en) | 1999-11-23 |
BR9910331A (en) | 2001-01-09 |
CA2329771A1 (en) | 1999-11-11 |
EP1075501A1 (en) | 2001-02-14 |
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