CN1224459A - Process for making agglomerated detergent composition having improved flowabality - Google Patents
Process for making agglomerated detergent composition having improved flowabality Download PDFInfo
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- CN1224459A CN1224459A CN 96180368 CN96180368A CN1224459A CN 1224459 A CN1224459 A CN 1224459A CN 96180368 CN96180368 CN 96180368 CN 96180368 A CN96180368 A CN 96180368A CN 1224459 A CN1224459 A CN 1224459A
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Abstract
Zeolite X is used in the process for manufacture of detergent agglomerates to improve flowability of the finished product.
Description
Invention field
The present invention relates to adopt fluid binder and make high-density unrestricted flow agglomerate detergent granules as the X zeolite of flow aids.
Background of invention
Recently, detergent industry has to production that higher tap density for example equals and the detergent particles that is higher than 600 grams per liters has produced sizable interest.
In general, comprise the detergent particles of organic surface active agent and inorganic or organic washing-assisting detergent by aqueous slurries component spraying drying is produced.The particulate density that obtains like this is generally about 300～about 500 grams per liters.In order to satisfy the requirement of higher density Betengent product, developed this series products of produced in several ways.
Authorized the United States Patent (USP) 5 of Appel etc. on July 28th, 1992,133,924 disclosed methods comprise, make the mixture of spray-dried detergent composition or detergent composition grain fraction, to reduce the particulate porosity, improve density through two step hybrid techniques whereby.Add in the second operation mixing tank such as water or nonionogenic tenside liquid is optional.
Authorized the United States Patent (USP) 5 of Appel etc. on November 17th, 1992,164,108 disclose a kind of method of making the high density detergent powder, wherein liquid acidic precursor, solid, water soluble alkaline auxiliary lotion and optional other detergent materials with anion surfactant are added in super mixer/thickner, liquid therein acidic precursor is neutralized, borrow said process to produce powder, then powder is mixed in moderate-speed mixers, to reduce the porosity of powdered granule.This patents state when processing high reactivity (that is: 20% or more surfactant) composition, the confusion about size-grade distribution can occur.Disclose by being added to such as the powder material of zeolite A in second mixing tank and can avoid these problems.
The Japanese patent application 61-69897 that delivered on April 10th, 1986 discloses a kind of method of producing fine and close agglomerate detergent product from the spray-dired detergent particles that comprises tensio-active agent and washing assistant, this method is included in the arm mixer and by vigorous stirring particle is powdered, mix with tackiness agent (for example nonionogenic tenside) and " surface modification agent " subsequently, the latter can be a silico-aluminate.
The United States Patent (USP) 4,652,391 (Balk) that on March 24th, 1987 authorized discloses the detergent particles that spraying drying is made, wherein glass or plastic containers.This patent points out, should cool off fast from the particle of spray tower, in case nonionogenic tenside is diffused into particle surface.This diffusion of nonionogenic tenside descends the flowability of granular product and density.The weather overslaugh warm if refuse to take a passenger cooled off fast, can adopt " liquid agent " (being also referred to as " anti-hard caking agent ") that particle " is dusted " so.Synthetic zeolite (zeolite A and X zeolite) is disclosed for this reason.
Background technology
Referring to the United States Patent (USP) 5,133,924,5,164,108,4,656,391 and the Japanese patent application 61-69897 that have above described in detail, and the 6th edition (1984) the 16th～19 pages of the chemical engineers handbooks of Perry (ChemicalEngineers ' Handbook).
Summary of the invention
The present invention be directed to a kind of method that forms agglomerated detergent composition, it may further comprise the steps:
(a) uniform mixture of formation granular detergent composition and fluid binder material, wherein, the amount that granular detergent composition comprises detergent surfactant and described fluid binder material is about 1%～about 6% (weight) of described granular detergent composition; And
(b) mixture that forms in the step (a) is contacted with X zeolite, wherein the amount of X zeolite equals the weight of the fluid binder in the step (a) at least, and is preferably its 1～about 2.5 times.
The present invention also comprises the composition of aforesaid method.
Detailed Description Of The Invention
The present invention relates to the preparation of agglomerate detergent granules,, obtain the agglomerate of the granularity increase of the former detergent particles of size ratio whereby wherein with granulated detergent material and the fluid binder material mixing of limiting the quantity of.Experience shows, the agglomerate of Xing Chenging viscosity often in this way is so free-flowing property is poor.According to the present invention, have now found that for the detergent agglomerate that uses fluid binder when being applied to described agglomerate on the top coat form X zeolite, it is effective especially free-flow agent.Though zeolite A also is effective as the free-flowing property auxiliary agent, and because it has sequestering power preferably, thereby for most of washing composition application, compare with X zeolite, general preferred zeolite A, but have now found that, for the detergent agglomerate that uses fluid binder, A compares with zeolite, and X zeolite is more effective free-flow agent.Also find in addition, adopt X zeolite to make the free-flowing property auxiliary agent in described agglomerate, the result is that the density of products obtained therefrom is higher than employing zeolite A person.In general, the tap density of the product of producing by the inventive method is higher than 600 grams per liters.
Granular detergent composition
Granular detergent composition in the step of the inventive method (a) comprises detergent surfactant.Can be with the tensio-active agent of particulate composition and any other component with the form of separate constituent or to be added in the step (a) such as the form of the preliminary shaping composition of spray-dried detergent composition or with the form of the mixture of one or more independent particulate components and spray-dried detergent composition.
Anion surfactant is a preferred surfactant used herein, and is well-known in the art.It below is the representative instance of this class tensio-active agent.
Be applicable to that anion surfactant of the present invention comprises water-soluble salt, preferred as alkali, ammonium and the alkyl alcohol ammonium salt of organic reaction of Salmon-Saxl product, in the molecular structure of organosulfur reaction product, contain alkyl and sulfonic acid or sulfate group with about 10～about 20 carbon atoms.(in term " alkyl ", comprising the moieties of acyl group).The example of this class synthetic surfactant is sodium alkyl sulfate and alkylsurfuric acid potassium, especially, makes higher primary or secondary alcohol (C
8～18Carbon atom) sulfation obtain those, these alcohol for example by with the reduction of the glyceryl ester of Tallow, beef or Oleum Cocois or by oxo synthesis generated those; And sodium alkyl benzene sulfonate and alkyl benzene sulphonate (ABS) potassium, wherein alkyl contains 9～about 15 carbon atoms of having an appointment, it is configured as straight or branched, for example United States Patent (USP) 2,220,099 and 2,477,383 described those, be hereby incorporated by.Valuable especially is the line style linear alkylbenzene sulfonate, and wherein the average carbon atom number in the alkyl is about 11～13.Be applicable to that other anion surfactants of the present invention are alkyl glycerol base ether sulfonic acid sodium, particularly from those ethers of Tallow, beef and Oleum Cocois deutero-higher alcohols; Coco-nut oil fatty acid coconut monoglyceride and sodium sulfate; The sodium or the sylvite of the sulfuric ester of the reaction product of 1 mole of Fatty Alcohol(C12-C14 and C12-C18) (for example coconut alcohol or animal lipidol) and 1～6 moles of ethylene oxide; The alkylphenol oxyethane ether sodium sulfate or the sylvite that contain 1～10 the unit loop oxidative ethane of having an appointment in each molecule, wherein alkyl group contains 8～12 carbon atoms of having an appointment.
In addition, suitable anion surfactant comprises the water-soluble salt of the ester of α-alpha-sulfonated fatty acid, contains 6～20 carbon atoms of having an appointment in wherein fatty acid-based, contains 1～10 carbon atom of having an appointment in ester group; The water-soluble salt of 2-acyloxy alkane-1-sulfonic acid wherein contains about 2～9 carbon atoms in the acyl group, alkane partly contains 9～about 23 carbon atoms; Contain the alkene of 12～20 carbon atoms of having an appointment and the water-soluble salt of paraffinic hydrocarbons sulfonic acid; Alkyl contains β-oxyalkyl chain alkyl sulfonate that 1～3 carbon atom of having an appointment, alkane partly contain 8～20 carbon atoms of having an appointment.
Institute's preferred anionic surfactants tensio-active agent is C
10～18An alkali metal salt of linear alkyl benzene sulfonate and C
10～18An alkali metal salt of alkylsurfuric acid.The preferred embodiments of the invention are that wherein, it is about 2: 1 to 1: 2 C that anion surfactant comprises about weight ratio of 20%～about 40%
10～13Linear alkyl benzene sulfonate sodium and C
12～16The mixture of sodium alkyl sulfate.
The water-soluble salt of higher fatty acid, i.e. " soap " also is useful anion surfactant in the present composition.It comprises alkali metal soap, for example contains 8～about 24 carbon atoms of having an appointment, sodium, potassium, ammonium and the alkyl alcohol ammonium salt of the higher fatty acid of preferred about 12～about 18 carbon atoms.Soap can perhaps pass through the neutralization manufacturing of free fatty acids by the direct saponification manufacturing of fat and oil.Useful especially is sodium and sylvite derived from the mixture of the lipid acid of Oleum Cocois and tallow, i.e. the sodium of tallow and coconut or potash soap.
The tensio-active agent of other types that is applicable to the granular detergent composition of step (a) comprises nonionic, positively charged ion, both sexes and zwitter-ion type.
Typical ionic surfactant pack is drawn together the alkylene oxide condensate of alkyl (for example alkyl or alkyl phenyl), and wherein alkyl contains 8～about 22 carbon atoms of having an appointment.Nonionogenic tenside also comprises the semi-polarity compound, for example, and C
8～C
22Amine oxide.5,338,491 pairs of nonionogenic tensides of United States Patent (USP) of authorizing Conner etc. on August 16th, 1994 have carried out extensive discussions.Nonionogenic tenside also comprises fatty acid amide surfactant, and its general formula is as follows
In the formula: R
1Be H, C
1～C
8Alkyl, 2-hydroxyethyl, 2-hydroxypropyl, or its mixture, preferred C
1～C
4Alkyl, more preferably C
1Or C
2Alkyl, most preferably C
1Alkyl (that is: methyl); R
2Be C
5～C
32Alkyl, preferred straight chain C
7～C
19Alkyl or alkenyl, more preferably straight chain C
9～C
17Alkyl or alkenyl, most preferably straight chain C
11～C
19Alkyl or alkenyl, or its mixture; And Z is the polyhydroxy alkyl that contains the line style hydrocarbyl chain, wherein the line style hydrocarbyl chain has at least 2 (under the situations of Glycerose) or at least 3 (under the situations of other reducing sugars) are directly connected to the hydroxyl on the chain, perhaps its alkoxy derivative (preferred ethoxylation or propoxylation).Preferred Z in reductive amination process derived from reducing sugar; More preferably Z is the Racemic glycidol base section.Suitable reducing sugar comprises glucose, fructose, maltose, lactose, semi-lactosi, seminose and wood sugar, and Glycerose.As raw material, can use high dextrose maize treacle, high-fructose corn syrup, high malt sugar maize treacle and above-mentioned each sugar.These maize treacle can produce the mixture of the sugar component that is used for Z.Should be appreciated that, must not attempt to get rid of other suitable raw materials.Z is preferably selected from-CH
2(CHOH)
n-CH
2-OH ,-CH (CH
2-OH)-(CHOH)
N-1-CH
2-OH ,-CH
2-(CHOH)
2(CHOR
1) (CHOH)-CH
2-OH, n is 1～5 integer in the formula, comprises the head and the tail number, R
1Be H or ring-type list or polysaccharide, with and alkoxy derivative.Glycidyl most preferably, wherein n is 4, particularly-CH
2-(CHOH)
4-CH
2-OH.
In following formula, R
1Can be, for example methyl, ethyl, propyl group, sec.-propyl, butyl, isobutyl-, 2-hydroxyethyl or 2-hydroxypropyl.In order to bubble at most preferred R
1Be methyl or hydroxyalkyl.Low if desired bubble, then preferred R
1Be C
2～C
8Alkyl, particularly n-propyl, sec.-propyl, n-propyl, sec.-propyl, normal-butyl, sec.-propyl, isobutyl-, amyl group, hexyl and 2-ethylhexyl.
The specific examples of the acidamide surfactant of the type comprises C
12-N-(3-methoxy-propyl) glycosamine and coconut just-methylglucosamine.Authorize the United States Patent (USP) 5,376,310 of Cripe referring on December 27th, 1994 about other disclosures of such acidamide surfactant.
The cationic detersive tensio-active agent comprises ammonium surfactant, for example alkyl dimethyl ammonium halogenide, and those tensio-active agents with following general formula, [R
2(OR
3)
y[R
4(OR
3)
y]
2R
5N
+X
-R in the formula
2Be alkyl or alkylbenzene methyl, wherein alkyl chain contains 8～about 18 carbon atoms of having an appointment; Each R
3All be selected from-CH
2CH
2-,-CH
2CH (CH
3)-,-CH
2CH (CH
2OH)-,-CH
2CH
2CH
2-, with and composition thereof; Each R
4All be selected from C
1～C
4Alkyl, C
1～C
4Hydroxyalkyl, phenmethyl, two R
4Base is in conjunction with the ring structure that forms, CH
2CHOHCHOHCOR
6CHOHCH
2OH, wherein R
6Be any hexose or molecular weight less than about 1000 hexose polymkeric substance, and be hydrogen when Y is not O; R
5With R
4Identical, or alkyl chain, wherein R
2Add R
5The total number of carbon atoms for being not more than about 18; Each Y is 0～about 10, and Y value sum is 0～about 15; X is any compatible negatively charged ion.
Being used for other cats products of the present invention also is described in and authorized in the United States Patent (USP) 4,228,044 of Cambre on October 14th, 1980.Amphoterics can broadly be stated as the aliphatic derivatives of the second month in a season or tertiary amine, the heterocycle second month in a season that perhaps wherein aliphatic free radical can be a straight or branched and the aliphatic derivatives of tertiary amine.Aliphatic series one of substituting group comprises at least about 8 carbon atoms, general about 8～about 18 carbon atoms, and at least one contains the anionic water-soluble base, for example carboxyl, sulfonic group, sulfate.About examples of amphoteric surfactants referring to the United States Patent (USP) 3,929 of authorizing Laughlin etc. on December 30th, 1975,678 the 19th hurdles, the 18th～35 row.Zwitterionics can broadly be stated as the derivative of secondary amine and tertiary amine, the derivative of heterocyclic secondary and tertiary amine, the perhaps derivative of quaternary ammonium, quaternary phosphine or uncle's sulfonium compound.Referring to the United States Patent (USP) 3,929 of authorizing Laughlin etc. on December 30th, 1975,678 the 19th hurdles the 38th walk to the 22nd hurdle the 48th row about the example of zwitterionics.
The further comprehensive disclosure of various types of tensio-active agents can be referring to the United States Patent (USP) 3,664,961 of Norris on the 23rd May in 1972.
Tensio-active agent generally accounts for by about 20%～about 95%, preferred about 30%～about 60% of the granular detergent composition of the step (a) of the inventive method preparation.
Detergent composition by the present invention's preparation generally contains washing assistant.Useful in the present invention washing assistant generally is selected from various water-soluble, basic metal, ammonium or replaces phosphoric acid salt, polyphosphate, phosphonate, polyphosphonic acid salt, carbonate, borate, polyhydroxy sulfonate, polyacetic acid salt, the carboxylate salt of ammonium, and the multi-carboxylate.Preferably above-mentioned an alkali metal salt, particularly sodium salt.Be used for institute of the present invention preferably phosphoric acid salt, carbonate, silicate, multi-carboxylate with and composition thereof.More preferably tripoly phosphate sodium STPP, tetrasodium pyrophosphate, Trisodium Citrate, sodium tartrate, monosuccinic acid sodium and Sodium Bisuccinate, with and composition thereof.
The specific examples of inorganic phosphate washing assistant is that tripolyphosphate, tetra-sodium, the polymerization degree are about 6～21 the poly-metaphosphoric acid and the sodium salt and the sylvite of positive phosphorus phosphoric acid.Other phosphorus compound washing assistants are disclosed in United States Patent (USP) 3,159, in 581,3,213,030,3,422,137,3,400,176 and 3,400,148, all are hereby incorporated by.
The example of non-phosphorus inorganic builders is carbonate, supercarbonate, sesquicarbonate, the tetraborate decahydrate of sodium and potassium, and such as the zeolite of zeolite A.The useful water-soluble non-phosphorus organic washing-assisting detergent of the present invention comprises polyacetic acid salt, carboxylate salt, multi-carboxylate and the polyhydroxy sulfonate of various basic metal, ammonium and replacement ammonium.Polyacetic acid salt and multi-carboxy acid salt washing agent's example comprises sodium, potassium, lithium, ammonium and the substituted ammonium salt of ethylenediamine tetraacetic acid (EDTA), nitrilotriacetic acid(NTA), oxygen di-succsinic acid, mellitic acid, benzene polycarboxylic acid and citric acid.
Poly-multi-carboxy acid salt washing agent is described in the United States Patent (USP) 3,308,067 of authorizing Diehl on March 7th, 1967.This class material comprises such as the homopolymer of the aliphatic carboxylic acid of toxilic acid, methylene-succinic acid, methylfumaric acid, fumaric acid, equisetic acid, citraconic acid and methylene radical propanedioic acid and the water-soluble salt of multipolymer.
Other are applicable to that multi-carboxylate of the present invention is the polyacetal carboxylation, and it is described in the United States Patent (USP) 4,144,226 of authorizing Crutchfield etc. on March 13rd, 1979 and authorized on March 27th, 1979 in the United States Patent (USP) 4246495 of Crutchfield etc.
Washing assistant generally accounts for by about 5%～about 50%, preferred about 20%～about 40% of the composition of the inventive method preparation.Washing assistant can be included in the granular detergent composition of step (a), perhaps can be added in the agglomerate with after X zeolite mixes.
Packing material such as sodium sulfate or sodium-chlor is present in the detergent composition of step (a) usually, its amount maximum about 40%.
Tackiness agent
The enough various liquid of energy are made the tackiness agent of the granular detergent component in the inventive method step (a).
Water is a kind of suitable tackiness agent.Can use equally and contain such as water glass (Na
2O and SiO
2Ratio be 2.0) or the aqueous solution of the inorganic or organic materials of polyacrylate polymers, its content is about at most 65%, and is preferred about at most 55%, more preferably at most about 35%.In general, it is about 65% that solutes content is higher than, and causes too thickness of the water dispersion or the aqueous solution, so that can not be processed into the uniform mixture with the granulated detergent of the inventive method step (a) easily.In addition, the preferred method that liquid adhesive is added in the flow process is that it is sprayed on the granulated detergent.Highly viscous solution is difficult to spraying.
Nonionic organic liquid (fusing point is lower than about 7 ℃) is the preferred adhesive that is applied to the inventive method.Institute's preferable material is a nonionogenic tenside, because it can give the cleaning compositions performance.Detailed description referring to above-mentioned nonionogenic tenside.The general type of this class material is oxyalkylated long-chain organic compound.
The alkoxylate non-ionic material that is suitable for doing tackiness agent of the present invention comprises on average having 3～20, preferred 4～16 alkoxyl group partial C
12-18The condensation product of Fatty Alcohol(C12-C14 and C12-C18).Alcohol radical can be saturated or monounsaturated, line style or in 2-position (oxo group) methyl-branched, and can be derived from natural or hydrogenant fatty residue and/or synthetic residue.Particularly suitable be derived from hexadecanol, Stearyl alcohol and oleyl alcohol with and composition thereof ethoxylate, example be on average to contain the tallow alcohol of 4～8 oxyethane (EO) parts, on average contain the tallow alcohol of 10～18 EO and on average contain the oleyl alcohol of 6～12 EO, with and composition thereof.
Non-his non-ionic material is oxyalkylated C
12～24, preferred C
14～18Alcohol, its production method are with 1～3 mole of propylene oxide, then with 4～20 moles, and preferred 4～7 molar ethylene oxygen are added in the alcohol.That suitable is the C that contains 4～14EO of ethoxylation in addition
8～12Alkylphenol.
The nonionic organic liquid that is not tensio-active agent also can be used as tackiness agent of the present invention.The example of this class material is polyoxyethylene glycol and polypropylene glycol.
The amount of employed tackiness agent be about 1%～about 6%, be preferably about 2.5%～about 6%, more preferably about 3%～about 4.5%, based on detergent component gross weight in the step of the present invention (a).
X zeolite
In the inventive method step (b), the agglomerate granule that has been formed by basic detergent component and tackiness agent in step (a) is contacted with X zeolite, and uniform mixing, the amount of X zeolite equals the amount of the fluid binder of use in present method step (a) at least.The amount of preferred zeolite X is 1～2.5 times of the used fluid binder weight of step (a).
X zeolite is a kind of synthesizing Si-Al hydrochlorate, can be at an easy rate certainly, and for example, UnionCarbide company and Philadelphia Quaitz company buy.Sodium-salt type (zeolite 13X) aperture is about 8 dusts, and calcium type (zeolite 10X) aperture is about 7 dusts.For the present invention uses, preferred sodium type.X zeolite should be a particle diameter less than about 20 millimicrons Powdered, and the preferred particle diameter of institute is about 5～about 10 millimicrons.
Have now found that if comprise hydrophobic precipitated silica and X zeolite simultaneously in present method step (b), the free-flowing property of the composition by the inventive method manufacturing can further be improved so, composition density also can increase.
Be applicable to that hydrophobic precipitated silica of the present invention can for example Supernat D10 and D17 buy with trade(brand)name because of Frankfort, riverside Degussa company from German Lay.
When hydrophobic precipitated silica is applied in present method step (b), its amount for about 0.1%～about 1%, be preferably about 0.2%～about 0.4%, based on the weight of mixture in the step (a).
Optional material
Can choose wantonly and comprise the other materials that is used for detergent composition detergent component as the step (a) of the inventive method.In other words, this class material can with add in the agglomerate after X zeolite or X zeolite and precipitated silica mix.Optional material comprises the tensio-active agent of other types, as both sexes, zwitter-ion and cats product.The example of these tensio-active agents be disclosed in the United States Patent (USP) of authorizing Norris on May 23rd, 1972 on October 14th, 3,664,961 and 1980 authorized Cambre 4,228,044 in, be hereby incorporated by.Other optional members comprise SYNTHETIC OPTICAL WHITNER, whitening agent, bleach-activating agent, suds booster, suds suppressor, anti-tarnishing agent and sanitas, soil-suspending agent, dye transfer inhibitor, stain remover, dye transfer inhibitor, sterilant, pH regulator agent, sequestrant, clay and enzyme.
Processing
The particulate composition that will comprise tensio-active agent is applied in the step of present method (a).Said composition can be made up of the particle of the drying tower of spraying certainly or not spray-dired one or more particulate materials.In other words, said composition can be a spray-dired particle and such as the mixture of other granular detergent components of other tensio-active agent and/or washing assistant, SYNTHETIC OPTICAL WHITNER etc.
Particulate composition can make the particulate composition densification with before tackiness agent mixes.For example: it can mix in the moderate-speed mixers such as Loedige KM or Drais K-T subsequently through mixing such as Loedige CB, Shugi Granulator or Drais K-TTP super mixer.Referring to, for example, United States Patent (USP) 5,133,924 and 5,164,108.In moderate-speed mixers, finish by the mixing of the detergent particles of densification and tackiness agent, and described mixture is contacted with X zeolite (or X zeolite adds precipitated silica).
Carrying out unrestricted flow, in the preferred method of fine and close agglomerate production process, the spray-dried granules product that comprises anion surfactant and optional other dried particles detergent components, for example by the compactor that makes the particulate composition warp such as the BCS25 type compactor of Shinto Industrial company product, compress and remove air, so as to forming small pieces.Then these small pieces (for example in the Fitz shredder) are ground, sieve, so that produce required size particles.Then, dense granule is mixed with the nonionic tackiness agent, and contact with X zeolite (or X zeolite adds precipitated silica).Preferably, adopt during mixing but before adding X zeolite, fluid binder is sprayed to method on the detergent composition, fluid binder is added in the granular detergent composition.Can in any suitable mixing tank, finish mixing of granulated detergent (no matter whether fine and close) and tackiness agent, and with the contacting of X zeolite.The example of suitable mixing tank is the vertical super mixer of Fukae of Fukae Industrial company (Hogyo administrative area, Japan Kobe) product and the Ribbon mixing tank that Powerex company (administrative area, Osaka, Osaka, JAPAN) produces.
All percentage ratios as herein described and ratio all by weight, except as otherwise noted.Be incorporated herein by reference at this all files as herein described.
Following example will illustrate the present invention, but constitute never in any form restriction of the present invention.
The example I
Compress the spray-dired surfactant granules that the density with following component is 290 grams per liters according to following.Aliphatic alcohol sulfate 9.0% linear alkyl benzene sulfonate salt 30.0 yellow soda ash 21 water glass 16 sodium sulfate 8 polyoxyethylene glycol 0.3 whitening agent 0.4 moisture 4 other compositions 11.3 commonly used amount to 100%
The forced feed machine at the top of spray-dried detergent particle by being positioned at the compactor roller is installed to the top of roll-type compactor continuously, make small pieces.The unitary operational condition of test compactor: the rotating speed 3.60rpm of roller, roller electric current 5.5A, 1.7～2.1 tons of roll-ins, forced feed machine rotating speed～16.8rpm, the dynamo-electric stream of forced feed 3.0A.Compress productivity～56 kilogram/hour small pieces.The density of the small pieces that come out from roller is 1.3～1.6 gram per centimeters
3Surfactant content is 39% in the small pieces.
The tensio-active agent sheet is at the uniform velocity added assay mill (Fitz shredder).The assay mill operational condition: axle rotating speed～4726rpm, shaft current 6.0～7.2A, use the die-cut sieve that is of a size of 2.0 millimeters, the % of the abrasive sheet on the 850m sieve aperture is 4.0～10.0%.Be 19～22% under the 150m sieve aperture.Such ground abrasive sheet tap density is～660 grams per liters.Surfactant content in this abrasive grains is～39%.
Abrasive grains and 1.58 kilograms of C with 9.85 kilograms of densifications
16Teepol (95% sodium alkyl sulfate, 2% sodium sulfate, 3% moisture and other various foreign material) powder is packed into and is tested Lodige KM mixing tank (50 liters of capacity).According to setting finished product tap density 700 grams per liter meters, fill level is 37%.The setting blade speed is 35rpm, and keeping chopper speed simultaneously is 3000rpm.Make the surfactant granules of grinding and alkyl-sulphate powder uniform mixing 70 seconds in the Lodige mixing tank.Then, with 30 the gram polypyrrole alkane ketone (dye transfer inhibitor) at 25～30 seconds internal sprayings to the Lodige mixing tank.Again 440 grams have been heated to 70 ℃ C1
4～15EO9 alkylethoxylate nonionogenic tenside is on 50～60 second time internal spraying material in the Lodige mixing tank.During 200 seconds, restrain the 13X that boils, the 50 hydrophobic precipitated silicas of gram and 100 gram soil release polymers then and add/be mixed into the Lodige mixing tank 810.Then 40 the gram spices at 30～40 seconds internal sprayings to mixing tank.The products therefrom surfactant content is～45%.Product is through the 1180m sieve.The tensio-active agent total content of the product that sieves is～45%.Product is that tap density is the free flowing powder of 781 grams per liters.
Claims (17)
1. method that forms agglomerated detergent composition, it may further comprise the steps:
(a) form granular detergent composition and fluid binder mixtures of material, wherein granular detergent composition comprises about 1%～about 6% (weight) that the amount of detergent surfactant and described liquid binder is described granular detergent composition; And
(b) form the composition of generation in the step (a) and the mixture of X zeolite, wherein the amount of X zeolite equals the weight of the fluid binder in the middle composition that generates of step (a) at least.
2. the process of claim 1 wherein that the amount of X zeolite is about 1～about 2.5 times of fluid binder weight in the composition that generates in the step (a).
3. the method for claim 2, wherein tackiness agent is an organic liquid.
4. the method for claim 2, wherein tackiness agent is the oxyalkylated C that on average contains 3～16 alkoxyl groups
12～C
18Alcohol.
5. the method for claim 2 wherein comprises hydrophobic precipitated silica in the mixture that step (b) forms, and its amount is about 0.1%～about 1% of described mixture.
6. the method for claim 2, wherein the granulated detergent of step (a) is to have compressed to remove a kind of spray-dried granules of the air that wraps before being to use in the step (a).
7. the method for any one in the claim 1～6, wherein the granular detergent composition of step (a) comprises about 20%～about 95% detergent surfactant and about 5%～about 50% detergent builder compound.
8. the method for claim 7, wherein detergent surfactant is the negatively charged ion synthetic surfactant.
9. the method for claim 8, wherein detergent builder compound is selected from phosphoric acid salt, polyphosphate, phosphonate, polyphosphonic acid salt, carbonate, borate, polyhydroxy sulfonate, polyacetic acid salt, carboxylate salt and multi-carboxylate.
As follows the preparation agglomerated detergent composition:
(a) form granular detergent composition and fluid binder mixtures of material, wherein granular detergent composition comprises about 1%～about 6% (weight) that the amount of detergent surfactant and described fluid binder is described granular detergent composition; And
(b) form the composition of generation in the step (a) and the mixture of X zeolite, wherein the amount of X zeolite equals the weight of the fluid binder in the middle composition that generates of step (a) at least.
11. the product of claim 10, wherein the amount of X zeolite is about 1～about 2.5 times of fluid binder weight in the composition that generates in the step (a).
12. the product of claim 11 wherein comprises hydrophobic precipitated silica in the mixture that step (b) forms, its amount is about 0.1%～about 1% of described mixture.
13. the product of claim 11, wherein tackiness agent is an organic liquid.
14. the product of claim 11, wherein tackiness agent is the oxyalkylated C that on average contains 3～16 alkoxyl groups
12～C
18Alcohol.
15. the product of any one in the claim 10～13, wherein the granular detergent composition of step (a) comprises about 20%～about 95% detergent surfactant and about 5%～about 50% detergent builder compound.
16. the product of claim 15, wherein detergent surfactant is the negatively charged ion synthetic surfactant.
17. the product of claim 16, wherein detergent builder compound is selected from phosphoric acid salt, polyphosphate, phosphonate, polyphosphonic acid salt, carbonate, borate, polyhydroxy sulfonate, polyacetic acid salt, carboxylate salt and multi-carboxylate.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96180368 CN1224459A (en) | 1996-05-07 | 1996-05-07 | Process for making agglomerated detergent composition having improved flowabality |
Applications Claiming Priority (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN 96180368 CN1224459A (en) | 1996-05-07 | 1996-05-07 | Process for making agglomerated detergent composition having improved flowabality |
Publications (1)
| Publication Number | Publication Date |
|---|---|
| CN1224459A true CN1224459A (en) | 1999-07-28 |
Family
ID=5127833
Family Applications (1)
| Application Number | Title | Priority Date | Filing Date |
|---|---|---|---|
| CN 96180368 Pending CN1224459A (en) | 1996-05-07 | 1996-05-07 | Process for making agglomerated detergent composition having improved flowabality |
Country Status (1)
| Country | Link |
|---|---|
| CN (1) | CN1224459A (en) |
-
1996
- 1996-05-07 CN CN 96180368 patent/CN1224459A/en active Pending
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