Water stable capable of pumping slurry for the preparation of detergents

 

(57) Abstract:

Use: manufacture of detergents.Essence: water suspension for the preparation of detergents contains in percent. wt. silicate f-ly I 0,5-80, (Cat2/n0)xIU2ABOUT3(SiO2)y,

where Cat is a cation with valence n,x is a number from 0.7 to 1.5, Me-In or Al, 0.8-6 and a dispersant based on a mixture of two polyesters f-crystals II R(och2CH2)nHE, where R is alkyl WITH10-C15n - 3-5,25 mol of hydroxyethyl groups at the first polyester and n - 5,5-7,0 mol of hydroxyethyl groups at the second polyester, additionally comprising 5-15%. weight, of polyethylene glycol with an average mol. weight of 200-2000 0.5 to 6 and water up to 100. Optimally as silicate suspension contains zeolite. A dispersant comprising a mixture of two polyether alcohols, preferably contains one polyester, comprising 3-5,25 mol hydroxyethyl groups with turbidity 56-60,5 deg. C, and R is alkyl WITH10-C15. The second polyester preferably contains of 5.75 to 6.5 mol of hydroxyethyl groups, has a turbidity 70,6-80 deg. C and R is alkyl WITH10-C15. Preferably the first and second polyether alcohols dispersant use in a mass ratio of 9 to 1 to 1 to 9. 3 C.p. f-crystals, 4 t the I preparation of detergents based binder.

Typically, the binder is introduced in the form of an aqueous suspension, it is desirable to improve such properties as stability and the ability to pumping.

From the tiled application Germany 37 19 042 known to use a mixture consisting of two ethoxylates of oxaspiro formula R-/OCH2-CH2/nHE Disadvantage of this mixture is that at high concentrations of solids at ambient temperature the mixture has too high viscosity.

The subject of invention is a water-stable, capable of pumping slurry for the preparation of detergents containing:

A) water-insoluble, finely ground, containing bound water, is able to bind calcium ions, a synthetically derived silicate of the General formula 1 (at2/nO)x2IU203(Si02)ywhere t, is exchanged with the calcium cation with valence n; x is a number from 0.7 to 1.5 IU-boron or aluminum; y=0.8 to 6.

C) a dispersant based on two ethoxylates of oxaspiro General formula II R(och2CH2)n-h, where R is alkyl WITH10WITH15; h - 3-5,25 mol acetylenic groups at the first ethoxylate, h - 5,5-7,0 mol of hydroxyethyl groups at the second ethoxylate, and

C) Polief as a dispersant contains the specified mixture of two ethoxylates, where alkyl WITH10WITH15is linear from About 90% and branched stands from 10 to 100% additionally comprising 5-15 wt. polyethylene glycol with an average molecular weight of 200-2000, in the following ratio, wt. silicate of the General formula 1 0,5-80; a dispersant based on a mixture of two ethoxylates of the General formula II, additionally comprising 5-15 wt. polyethylene glycol with an average molecular weight of 200-2000 0,5-6; water, to 100.

The suspension according to the invention has the advantage that it is at a temperature below the 25oWith has a stable sedimentation and can be pumped. Another advantage of the suspension is that the ethoxylate of oxaspiro at ambient temperature liquid and therefore does not need to be heated.

The particular advantage of the suspension according to the invention is that it is possible to have a much higher solids content of, for example, equal to 50% and above.

Exclusively a particular advantage of the suspension is the use of glycol in the mixture of stabilizers. The stability of the suspension, with the addition of polyethylene glycol to 15% remains unchanged, and only with the addition of polyethylene glycol ranging from 20% reduced the impact on the viscosity and especially on the fluidity of the addition of polyethylene glycol in an amount of 5 to 15 scales. is the best content to ensure stability, the necessary viscosity and fluidity.

Suspension can be produced by simple mixing of its components, and you can use the silicates, for example, as such, or/, if necessary, from receiving / still wet or in water suspension. Particularly advantageous is the challenging component In the still wet after receiving the silicates, for example, in the form of a filter cake.

Needless to say that you can use already dried that is released from the adsorption of water, and if necessary, containing bound water, the silicates.

Suspensions according to the invention are distinguished by high stability, as well as other advantages.

Their stabilizing effect, in particular when aluminosilicates with a particle size of from 1 to 30 MK particularly valuable. They are suitable for pumping and therefore creates the possibility of a simple treatment with moist aluminosilicates. Even after a long break in the process of pumping the suspension is perfectly possible to pump. Due to their high stability of the suspension can be transported in conventional tanks without ons as supplied form aluminosilicates when delivering them, for example, the manufacturer of the washing means.

Particularly suitable suspension according to the invention for further processing into dry, bulk products, for example, for the manufacture of powdered silicates. Supplying water suspensions to the drying apparatus is not formed burdensome precipitation. In addition, it was found that the suspension according to the invention can be processed in an exceptionally free from dust products.

On the basis of its special stability of the suspension according to the invention can be used as such, i.e. without further processing with and without the use of detergents, bleaching and/or detergent additives, for example, in the form of means of softening water, detergents or cleaning agents, in particular in the form of weak liquid abrasive tools with high stability.

A particularly important application of the suspension is its further processing into dry, friable or granular detergents and cleaners, which along with the component parts of the suspension also contain other compounds.

Suspensions according to the invention particularly suitable for the manufacture of detergents.

While manufacturing these environments the way in the granular product. Thus, as defined above, the aluminosilicates used in the form of a suspension according to the invention. Suspensions according to the invention can be any known ways to recycle in solid, granular detergents and cleaners.

In the manufacture of powder, granular detergents suspension according to the invention, for example, from the spare tank mixed with detergents, bleaching component parts manufactured means and in any manner transferred in the powdered product. Thus it is advantageous to add complexing agents, i.e. a compound that is able to comprehensively link determining water hardness ions of alkaline earths in particular ions of magnesium and calcium.

In the manufacture of detergents there are different options.

For example, suspensions according to the invention can be combined with contributing to the formation of crystalline substances suitable manner by spraying the suspension in the mixer contributing to the formation of crystalline water connection can be obtained with constant stirring hard and dry product.

However, the suspension in accordance with the invention, masaniello additional drying. They are unexpected additional benefits claimed aluminosilicate suspensions. It turned out that the use of the suspensions according to the invention when carrying out the spray drying can be obtained very kalopissii products. The resulting spray dried products have a high calcium-binding ability and have good wettability.

Detergents made with the use of the suspension according to the invention, can have very different composition. In General they contain at least one water-soluble surface-active substance is not related to used according to the invention the dispersants present in the claimed aluminosilicate suspensions. In General they contain, along with at least one other connection with washing, bleaching or cleaning the property, which is inorganic or organic as calcium-binding compounds defined above aluminosilicate. In addition, such tools can be kept in small quantities and also other traditional auxiliary and additional substances.

Example 1. Mixed sediment filter zeolite a and the stabilizer, when the. Specifies the degree of amoxilonline SW. Applied filter the precipitate And get laid out according to the application Germany 26 51 485, which has a specified range of particles.

For carrying out examples stirred for 50 kg of unstabilized zeolite suspension with the help of a mixer to-Standard mix, equipped with a bladed disk, for one hour at 500 rpm, and, if necessary, by adding water.

After the addition of 1.5 weights. stabilizatory mixture prodoljaut stirring for 10 minutes at the same speed.

Cloud point used stabilizers are described below.

Example 2. Use suspension of zeolite And water content of the zeolite And weights 49. To this suspension is added a stabilizer consisting of a mixture (1:1)12WITH13-oxaspiro with a degree of amoxilonline of 4.25 and C12- C13-oxaspiro with a degree of amoxilonline 5,75, in the amount of 1,5 scales. Then add the polyethylene glycol in the amount of 7.15m 4 - 20 scales. Below the cloud point according to DIN/ 53 917 used ethoxylates of oxaspiro /5 g surfactant in 25 g of 25% aqueous solution of butyldiglycol/ S12/13-oxopent 4,25 EO; 63,5oC C12/13-oxopent 5,75 SW; 72,5o

1. Water stable capable of pumping slurry for the preparation of detergents containing water-insoluble, finely ground, containing bound water, is able to bind calcium ions, a synthetically derived silicate of the General formula I

(Kat2/nABOUT)xMe2O3(SiO2)y< / BR>
where Kat exchanged with calcium cation with valence n

x 0,7 1,5;

IU or Al;

y 0,8 6,

and a dispersant based on a mixture of two polyether alcohols of the General formula (II)

R (OCH2CH2)nHE

where R10WITH15-alkyl;

n 3 a 5.25 mol of hydroxyethyl groups at the first polyester and 5.5 to 7.0 mol of hydroxyethyl groups at the second polyester, characterized in that as the dispersant slurry contains the specified mixture of polyesters, where C10- C15the alkyl is linear not more than 90% and branched stands from 10 to 100% additionally comprising 5 to 15 wt. polyethylene glycol with an average mol. m 200-2000, in the following ratio compensa formula II, additionally comprising 5-15 wt. polyethylene glycol with an average mol. m 200-2000 0,5 6

Water To 100

2. Suspension under item 1, characterized in that the silicate of the General formula I, which contains zeolite.

3. The suspension on the PP. 1 and 2, characterized in that it contains a dispersant comprising a mixture of two polyether alcohols of the General formula II, where the first polyester contains 3 5,25, preferably 4 to 5 mol of hydroxyethyl groups, has a turbidity 56 68,5oWith, preferably 60 67oS, and R10-C15-alkyl, preferably C12WITH13-alkyl, and the second polyester contains a 5.5 to 7.0, preferably of 5.75 to 6.5 mol of hydroxyethyl groups, has a turbidity 70,6 80oWith, preferably 71 -77oS, and R10WITH15-alkyl, preferably12WITH13-alkyl.

4. Suspension under item 3, characterized in that the mass ratio of the first and second polyether alcohols in the dispersant is 9 1 1 9.

 

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