CN1027452C - Detergent compositions containing light reactive dye - Google Patents
Detergent compositions containing light reactive dye Download PDFInfo
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- CN1027452C CN1027452C CN 91111573 CN91111573A CN1027452C CN 1027452 C CN1027452 C CN 1027452C CN 91111573 CN91111573 CN 91111573 CN 91111573 A CN91111573 A CN 91111573A CN 1027452 C CN1027452 C CN 1027452C
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Abstract
The invention relates to a photoactivator dye composition for detergent use consisting of microcapsules of encapsulated photoacivator dye. The invention also relates to a method for preparing said particules. The invention also relates to a detergent composition containing said particles.
Description
The present invention relates to contain the detergent composition that is specially adapted to the Photoactivator dye composition that washing composition uses, this Photoactivator dye composition and preparation method thereof.
United States Patent (USP) us-3,927,967 disclose the employing Photoactivator dye is applied to washing composition as phthalocyanine pigment.This Photoactivator dye has absorption of electromagnetic radiation in visible-range, and the form of release absorbed energy plays bleaching action to fabric.People really this energy quantum form are the singlet oxygens with oxidation activity effect.Some optical active matters of picture phthalocyanine sulfonic acid zinc (ZPS) and phthalocyanine sulfonic acid aluminium (APS) and so on have been found the commercial in granular detergent composition.
But phthalocyanine pigment is used in and occurs some shortcoming on the detergent composition, still can not be suitable for up to now.These shortcomings are that the particle that is to be blended in the dyestuff can not very fast dissolving be avoided the painted of dyestuff when contacting with water.The special picture of this contact is under the situation of hand washing, or the bucket that dispersion agent is put into washing machine with clothes will occur.This painted even also can take place may work as the detergent composition that is dispersed with dyestuff by the mechanical dispersion of typical European washing machine the time.
People have attempted dye solution is sprayed on the spray-dried detergent particle, but have found can not very fast dissolving to avoid dyestuff painted to fabric through the particle handled like this.Be the detergent granules that is inclined to use higher density at present, but for dyestuff, this detergent granules seldom have suitable carrier.
The optimal path that adds at present Photoactivator dye comprises dye solution is sprayed onto on the low density particle that the ultimate particle with detergent composition carries out dry blending subsequently.Although these low density particles are faster than ultimate particle dissolving, they can not very fast dissolving prevent dyestuff painted to fabric under various wash conditions.
The present invention relates to the phthalocyanine pigment of detergent use, it is characterized in that be this dyestuff be wrap in can be very fast in the capsule material the cold water that is dissolved in.Be that capsule material is insoluble in the nonionogenic tenside preferably.
Preferred phthalocyanine pigment is phthalocyanine sulfonic acid zinc (ZPS) and phthalocyanine sulfonic acid aluminium (APS).The preferred capsule material comprises gelatin, particularly low blood gelatin, and the mixture of gelatin and sugar.
The present invention also relates to prepare capsule light activating agent method for compositions, comprise the following steps:
Molten Jie of Photoactivator dye in water medium
2. Photoactivator dye solution is blended in the aqueous solution of capsule material
3. then the mixture of gained is transformed into the drop that mean size does not surpass 500 microns
4. the moisture content of described particle is reduced to 2% to 12% weight.
The invention still further relates to the granular detergent composition that contains capsular phthalocyanine pigment.
Photoactivator dye composition according to the present invention contains the microcapsule of the solid solution of the water-soluble Photoactivator dye (solute) in capsule material (solvent), can be very fast water-soluble.The capsulated weight of described microcapsule is:
A) from 1% to 60% Photoactivator dye is preferably 1% to 40%,
B) from 38% to 97% capsule material and
C) from 2% to 12% water is preferably 2% to 5%
Term " microcapsule " is meant that having average particle size is no more than 500 microns capsule, and preferred average particle size is 50 microns to 450 microns a scope.
In order to estimate the very fast molten ability in cold water of material, the experiment below having carried out
Use Sotax AT6 dissolving instrument, the paddle agitator that stirring velocity is 150rpm wherein is installed, is 1000 millimeters pH that 9.5 buffer reagent is poured in the flask of each polycarbonate, and remain on 20 ℃, and again 0.05 gram material is added in the buffer agent solution, stir under given conditions, in 2 minutes, take out 3 ml aliquots solution every 15 seconds, measure the optical density of each five equilibrium under 669nm, according to this test, suitable material has following dissolving situation
〉=80% dissolving in 30 seconds
〉=95 dissolving in 60 seconds
100% dissolving in 120 seconds
The capsule material of Photoactivator dye composition preferably is insoluble to nonionic surface active agent.In fact, present detergent composition almost is to contain nonionogenic tenside unchangeably.Typical content is 1% to 12%, in most of the cases, this nonionic surface active agent is sprayed onto on the ultimate particle of detergent composition, when storing, if nonionic surface active agent, when being liquid under storing temp, then nonionic surface active agent can freely move the body that enters washing composition combination group.
Because phthalocyanine pigment is soluble in the nonionic surface active agent, these dyestuffs move too, and are adsorbed on the ultimate particle rather than are adsorbed on the low density particle, and result, the outward appearance of detergent composition just become and have suitable non-attractivity.In addition, molten Jie's dyestuff associates mutually with molten Jie's ultimate particle rather than associates mutually with rapid molten Jie's low density particle.
As needs, can come evaluate capsules material insoluble in nonionic surface active agent by following experiment.
It is a kind of condenses of alkyl alcohol oxyethane that 0.05 gram capsule material is added to 50 milliliters 40 ℃ Dobanol45E7(, it mainly is the monohydroxy-alcohol of the C14/C15 of line style, contain average 7 ethylene oxide groups), 40 ℃ of temperature maintenance 1 hour, optical density during by 669nm is determined its molten Jie's effect, should not have molten Jie's effect according to such measurement after 1 hour.
The example of suitable water-soluble optical active matter comprises that Erythrosine Sodium is rose-red, the polyvalent metal ion complex compound of fluorescin, chlorophyll, metal-free porphyrin and sulfonated phthalocyanine, the simple substance that does not particularly have sulfonated phthalocyanine, the suitable example of polyvalent metal ion comprises Z
++ n, Al
3+, M
++ nDeng, preferred Photoactivator dye is phthalocyanine sulfonic acid zinc (ZPS), phthalocyanine sulfonic acid aluminium (APS) and composition thereof, these dyestuffs can make with the form of sodium salt industrial, and in a preferred embodiment, microcapsule contain the Photoactivator dye of 5～30% weight.
The examples of suitable examples of substances comprises gelatin, water Jie gelatin and film forming carbohydrate.The preferred capsule material is water Jie gelatin and film forming carbohydrate (comprising dextrin and Sudan Gum-arabic).
Above-mentioned Photoactivator dye composition can be prepared by the following step:
(1) molten Jie of Photoactivator dye in water medium
(2) the water-soluble liquid-phase mixing of optical active matter and capsule material
(3) the mixture of gained thus be transformed into mean particle size be no more than 500 microns particle and
(4) moisture content of described particle is reduced to the scope of 2% to 12% weight, so that in capsule material, generate the solid solution of Photoactivator dye.
The molecular weight of preferred capsule material should be more much higher than the molecular weight of Photoactivator dye, so, if the molecular size of Photoactivator dye is 0.6 when also little of capsule material, obtain a kind of solid solution of gap enlargement, promptly obtain the solid solution that a kind of solute molecule occupies solvent dot matrix clearance space.
A kind of solid solution that forms the gap has so just appearred, so when capsule contacts with water, go far towards the Photoactivator dye of finely divided form is discharged.
Mixture is transformed into particle and reduces the particle moisture content, preferably adopts spray drying technology.Preferred embodiment in the method for the invention is simultaneously fine powder to be introduced in the spraying drying district under being lower than 100 ℃ high temperature, and as at S-2,756,177 describedly carry out spraying drying with mixture like that.Fine powder may be silicate or finely divided W-Gum, preferably finely divided W-Gum.In other preferred embodiment, mixture be higher than carry out under 100 ℃ the temperature spray-dired.
In a preferred embodiment, sucrose or glucose syrup can be added to that will to carry out in the spray-dired mixture be in order to reduce the viscosity of mixture, the weight ratio of capsule material and sucrose is 35: 65 at least, preferably 50: 50.
Preferably, be incorporated into the form that forms emulsion in the exsiccant mixing that to spray as Oleum Cocois with a kind of oil.The usage quantity of oil preferably from 5～10% weight, is preferably 5% weight from 3～20% weight.
Carry out in the spray-dired mixture, the content of dry-matter can change in the larger context, but in the time of 60 ℃, its viscosity preferably remains on 70 to 200CP scope.
Detergent composition of the present invention preferably contains above-mentioned Photoactivator dye composition, and the amount of wherein pure Photoactivator dye is 2 to 1 of a detergent composition weight, 000PPM.
Detergent composition also contains typical detergent component, for example organic surface active agent, detergent builder, general detergent additives etc.The amount that organic surface active agent can exist is 1% to 60% of a total composition.
Preferred detergent composition is to contain 1% to 12% nonionic surface active agent, especially being good from 3% to 10%.
It is R(R that preferred nonionic preferably contains general molecular formula
8O) the oxyalkylated alcohol of XOH, wherein R is the alkyl of from 12 to 20 carbon atom, R
1O representation alkoxy, preferably oxyethyl group, and X are from 4 to 12 numerical value.
With reference to the following example, explain the present invention
Embodiment
Example 1
With 3,240 gram gelatin (blood intensity is 0) and 3,240 gram sucrose, under agitation be added in 1, the 300 gram phthalocyanine sulfonic acid zinc (being dissolved in the solution of 5200 gram water), in the solution of gained, take emulsification 650 gram Oleum Cocois.Therefore, the dry matter content of prepared mixture is about 60%, and phthalocyanine sulfonic acid zinc is about 16%, and in the time of 55 ℃, viscosity is 96CP.
Mixture carries out spraying drying in spray-drying tower, also import simultaneously W-Gum as sugared shape component, the speed that mixture enters in the drying tower is 2 liters/minute, about 70 ℃ of the temperature in spraying drying district, to the finished product (about 9,200 grams) sieve, collect and analyze 30 to 120 purpose part particles (ASTM).It is 14.1% that the part of collecting contains phthalocyanine sulfonic acid zinc, about 350 microns of median size.
Example 2
2, under agitation molten Jie of 388 gram gelatin is 2, in the 135 gram water, be heated to about 60 ℃ of temperature, again 126 gram sodium hydroxide in the solution that 215 grams are become in the water, under agitation be added in the gelatin solution in 60 ℃, stir after 20 minutes, add the vitriol oil (96%) 135 gram down, adjusting pH value about 5.5 in 60 ℃.The 900 gram solution (water Jie gelatin) that make like this and 100 gram phthalocyanine sulfonic acid zinc formed solution in 1150 gram water, again with 450 gram spray-dired glucose syrups (" monsweetR 1924 ") and 50 gram Oleum Cocois, under agitation mix with it in 55 ℃, after Oleum Cocois is emulsified in water medium, add the water of 700 gram additional content again.The dry matter content that makes mixture like this is about 30%, and phthalocyanine sulfonic acid zinc is about 10%, and the viscosity of mixture is about 50CP(at 60 ℃).Mixture carries out spraying drying in general spray-drying tower, temperature in is 240 ℃, and temperature out is 97 ℃.
The product (about 900 grams) that spraying drying is crossed sieves, and the sieve particle of collecting is less than 100 orders (ASTM).
This joint portions contains 9.7% phthalocyanine sulfonic acid zinc, about 50 microns of median size.
Example 3
1060 gram arab resins and 1010 gram sucrose under agitation be added to, 1375 gram phthalocyanine sulfonic acid zinc institute in 1850 gram water becomes in the solution, emulsification 138 gram Oleum Cocois in this solution, the dry matter content of the mixture that makes so about 45%, phthalocyanine sulfonic acid zinc is about 11.4%, and viscosity is 108CP in the time of 57 ℃.
Mixture carries out spraying drying in spray-drying tower, import W-Gum simultaneously as the powdery component, the mixture boot speed is 1.5 liters/minute, about 65 ℃ of the temperature in spraying drying district, the finished product (about 3500 grams) are sieved, collect and analyze (ASTM) 30～170 purposes screening part.The part of collecting contains 8.2% phthalocyanine sulfonic acid zinc.
About 250 microns of median size.
Example 4
1060 gram gelatin (blood intensity is 0) and 1010 gram sucrose, under agitation being added to 1250 gram phthalocyanine sulfonic acid aluminium becomes in the solution in 850 gram water, again 138 gram Oleum Cocois are emulsified in the solution of this gained, dry matter content in the mixture that makes like this about 53%, phthalocyanine sulfonic acid aluminium is about 6.3%, and viscosity is 106CP in the time of 58 ℃.
Mixture carries out spraying drying in spray-drying tower, import the W-Gum as the powdery component simultaneously.The mixture boot speed is 1.5 liters/minute, and the temperature in spraying drying district is about 70 ℃.
The finished product (about 2800 grams) are sieved, collect and analyze (ASTM) 30 to 170 purposes joint portions, collected part contains 5.2% phthalocyanine sulfonic acid aluminium.
Example 5
1060 gram arab resins and 1010 glucose syrups (" monsWeet " 1924) crossed of gram spraying dryings under agitation are added to 1250 gram phthalocyanine sulfonic acid aluminium to be become in the solution in 2350 gram water, emulsification 138 gram Oleum Cocois in this solution, the dry matter content of the mixture that makes like this is about 40%, phthalocyanine sulfonic acid aluminium is 6.3%, and viscosity is 104CP in the time of 58 ℃.
Mixture carries out spraying drying in spray-drying tower, import the W-Gum as the powdery component simultaneously.The boot speed of mixture is 1.5 liters/minute, about 70 ℃ of the temperature in spraying drying district.
Sieve at the finished product (about 3100 grams), collect and analyze (ASTM) 30 to 170 purposes screening part, collect part and contain 4.2% phthalocyanine sulfonic acid aluminium.
Example 6
The granular detergent composition of preparation contains following component: (%)
Tallow alkyl sulfuric ester 2.4
Linear alkyl benzene sulfonate 5.6
Polymkeric substance 2.0
Silicate 8.0
Tripoly phosphate sodium STPP 21.0
Sodium peroxoborate 15.0
Non-ionic type (Dobanol
R45E7) 5.0
Enzyme (proteolytic enzyme) 0.8
TAED 2.0
Phthalocyanine sulfonic acid zinc
*0.03
(white dyes, sequestrant, CMC, spices, suds suppressor) on a small quantity
Inorganic salt (sodium sulfate, yellow soda ash, sal epsom): and water surplus
*: seal as turn to 0 gelatin with blood, capsular ZPS content is 3.4%, and capsular size of particles is the 150-450 micron; Add 0.88%ZPS, the content of result ZPS in detergent composition is 0.03.
Claims (3)
1, a kind of detergent composition, contain (by weight):
A) a kind of tensio-active agent of 1%-60%
B) a kind of Photoactivator dye composition, comprising soluble in water but be insoluble to the microcapsule that contain the solid dispersion of water-soluble optical active matter beam material in the capsule material of nonionogenic tenside, described microcapsule contain following component (in microcapsule weight)
1) from 1% to 60% the optical active matter beam material that is selected from phthalocyanine sulfonic acid zinc, phthalocyanine sulfonic acid and composition thereof;
2) capsule material of from 38% to 97% gelatin that is selected from hydrolysis and film forming carbohydrate (comprising dextrin and Sudan Gum-arabic), the amount of pure Photoactivator dye are the 2PPM to 1 of total amount of composition, 000PPM;
3) from 2% to 12% water, and
C) its surplus is to comprise general detergent component.
2, according to the detergent composition of claim 1, wherein contain 1% to 12% nonionogenic tenside.
3, according to the detergent composition of claim 2, wherein nonionic surface active agent be contain general formula be R(R ' O)
XThe mixture of the oxyalkylated alcohol of OH, wherein R is the alkyl of from 12 to 20 carbon atoms, R ' O representation alkoxy, x is 4 to 12 numerical value.
Applications Claiming Priority (3)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| GB888806016A GB8806016D0 (en) | 1988-03-14 | 1988-03-14 | Encapsulated photoactivator dyes for detergent use |
| GB8806016 | 1988-03-14 | ||
| CN89102154A CN1015897B (en) | 1988-03-14 | 1989-03-14 | Photoactivator dye composition for detergent use |
Related Parent Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN89102154A Division CN1015897B (en) | 1988-03-14 | 1989-03-14 | Photoactivator dye composition for detergent use |
Publications (2)
| Publication Number | Publication Date |
|---|---|
| CN1061619A CN1061619A (en) | 1992-06-03 |
| CN1027452C true CN1027452C (en) | 1995-01-18 |
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Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 91111573 Expired - Fee Related CN1027452C (en) | 1988-03-14 | 1989-03-14 | Detergent compositions containing light reactive dye |
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| Country | Link |
|---|---|
| CN (1) | CN1027452C (en) |
Families Citing this family (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| EP2343359A1 (en) * | 2010-01-07 | 2011-07-13 | Unilever PLC | Detergent formulation containing spray dried granule |
| EP3805346B1 (en) * | 2019-10-08 | 2024-08-14 | The Procter & Gamble Company | A method of laundering fabric |
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1989
- 1989-03-14 CN CN 91111573 patent/CN1027452C/en not_active Expired - Fee Related
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| Publication number | Publication date |
|---|---|
| CN1061619A (en) | 1992-06-03 |
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