EP0563631B2 - Aus Alumosilicaten und Natriumsilicaten bestehende Cogranulate, ein Verfahren zu ihrer Herstellung und ihre Verwendung - Google Patents

Aus Alumosilicaten und Natriumsilicaten bestehende Cogranulate, ein Verfahren zu ihrer Herstellung und ihre Verwendung Download PDF

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Publication number
EP0563631B2
EP0563631B2 EP93103728A EP93103728A EP0563631B2 EP 0563631 B2 EP0563631 B2 EP 0563631B2 EP 93103728 A EP93103728 A EP 93103728A EP 93103728 A EP93103728 A EP 93103728A EP 0563631 B2 EP0563631 B2 EP 0563631B2
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EP
European Patent Office
Prior art keywords
cogranulates
sodium silicates
aluminosilicates
bulk density
water
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.)
Expired - Lifetime
Application number
EP93103728A
Other languages
German (de)
English (en)
French (fr)
Other versions
EP0563631A1 (de
EP0563631B1 (de
Inventor
Alexander Dr. Tapper
Günther Dr. Schimmel
Gerd Dr. Wingefeld
Hans-Peter Dr. Rieck
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.)
Clariant Produkte Deutschland GmbH
Original Assignee
Clariant GmbH
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Publication date
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Application filed by Clariant GmbH filed Critical Clariant GmbH
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Publication of EP0563631B2 publication Critical patent/EP0563631B2/de
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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
    • C11D3/00—Other compounding ingredients of detergent compositions covered in group C11D1/00
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
    • C11D3/1246—Silicates, e.g. diatomaceous earth
    • C11D3/1253—Layer silicates, e.g. talcum, kaolin, clay, bentonite, smectite, montmorillonite, hectorite or attapulgite
    • C11D3/1273—Crystalline layered silicates of type NaMeSixO2x+1YH2O
    • 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
    • C11D3/02—Inorganic compounds ; Elemental compounds
    • C11D3/12—Water-insoluble compounds
    • C11D3/124—Silicon containing, e.g. silica, silex, quartz or glass beads
    • C11D3/1246—Silicates, e.g. diatomaceous earth
    • C11D3/128—Aluminium silicates, e.g. zeolites

Definitions

  • the present invention relates to readily disintegrating cogranulates with high bulk density made of aluminosilicates and layered crystalline sodium silicates, a process for their preparation and their use.
  • phosphates have recently been used in washing and cleaning agents
  • Builders especially alkali tri-polyphosphates, are increasingly being replaced by new builder systems, which usually consist of a synthetic, crystalline aluminosilicate (e.g. zeolite A), an alkali source (e.g. soda) and at least a cobuilder.
  • a synthetic, crystalline aluminosilicate e.g. zeolite A
  • an alkali source e.g. soda
  • cobuilders nitrilotriacetic acid or its combination is used individually or in combination Salts, phosphonates or polycarboxylates used
  • the synthetic, crystalline aluminosilicate must be used as a very fine powder with an average particle diameter of d 50 ⁇ 10 ⁇ m. If larger agglomerates form during the manufacture of the aluminosilicates, during their processing or in the course of use, the cobuilders mentioned have the task of dividing the aluminosilicates into a suspension of fine primary particles. This is particularly necessary because agglomerates of aluminosilicates - especially zeolite A - do not tend to disintegrate into the primary particles in water.
  • US Pat. No. 4,737,306 produces finely divided, water-insoluble phyllosilicates with the oxide sum formula MgO. a M 2 O. b Al 2 O 3 . c SiO 2 . n H 2 O known in which M represents sodium and / or lithium and wherein a, b, c and n each have a number in the ranges 0.05 to 0.4; 0 to 0.3; 1.2 to 2.0 and 0.3 to 3.0 mean.
  • These layered silicates which are suitable as detergent raw material in detergents and cleaning agents, are produced by mixing water-soluble sodium silicate with oxides, hydroxides or water-soluble salts of magnesium, aluminum and lithium in aqueous solution or slurry at 150 to 250 ° C. for 1 to 20 hours under autogenous pressure implemented hydrothermally.
  • a disadvantage of the known layered silicates containing magnesium and aluminum is that they are water-softening Effect is low. Therefore, their amount must be set high in the formulation, which is because of their Insolubility in water significantly increases the amount of sludge in the sewage treatment plants. Finally, they can be in a builder system not be an alkali supplier.
  • cogranulates consisting of aluminosilicates and crystalline sodium silicates with a layer structure, with aluminosilicates of the general formula M 2 / n O. Al 2 O 3 . xSiO 2 .
  • yH 2 O are used in which M represents an alkali or alkaline earth metal, n indicates the valence of the cation, x ⁇ 2 and y has a value between 0 and 8, and where the sodium silicates have a SiO 2 / Na 2 O ratio of ( 1.8 to 4.2): 1.
  • a process for the preparation of the cogranulates can be characterized in that the aluminosilicates and Sodium silicates mixed in powder form; that the mixture is fed to a zone in which it is between two rollers rotating in opposite directions are compacted under pressure to form a solid; that you crush the solid; and that finally the desired grain sizes of oversize and undersize separates.
  • the cogranulates according to the invention can be used in washing and cleaning agents, for example as a builder.
  • the crystalline sodium silicates with layer structure contained in the cogranules according to the invention are slowly soluble in water, which means that the sewage treatment plants are relieved of sludge.
  • the soda component may be omitted entirely, since the crystalline sodium silicates are an alkali supplier.
  • the water-softening effect of the crystalline sodium silicates contained in the cogranules according to the invention is strongly expressed with approx. 75 mg Ca / g (measured in water at 30 ° dH at 20 ° C and pH 10.5).
  • Example 3 was repeated with the change that 27 kg of zeolite A and 3 kg of Na 2 Si 2 O 5 with a layer structure ( ⁇ modification) were premixed in the EIRICH mixer: d 50 [ ⁇ m], after 1 min d 50 [ ⁇ m), after 4 min KBV [mgCaCO 3 / g] Bulk density [g / l] 36.8 30.3 181.9 720

Landscapes

  • Chemical & Material Sciences (AREA)
  • Inorganic Chemistry (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Engineering & Computer Science (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Oil, Petroleum & Natural Gas (AREA)
  • Wood Science & Technology (AREA)
  • Organic Chemistry (AREA)
  • Crystallography & Structural Chemistry (AREA)
  • Silicates, Zeolites, And Molecular Sieves (AREA)
  • Detergent Compositions (AREA)
EP93103728A 1992-03-28 1993-03-09 Aus Alumosilicaten und Natriumsilicaten bestehende Cogranulate, ein Verfahren zu ihrer Herstellung und ihre Verwendung Expired - Lifetime EP0563631B2 (de)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE4210253A DE4210253A1 (de) 1992-03-28 1992-03-28 Aus Alumosilicaten und Natriumsilicaten bestehende Cogranulate, ein Verfahren zu ihrer Herstellung und ihre Verwendung
DE4210253 1992-03-28

Publications (3)

Publication Number Publication Date
EP0563631A1 EP0563631A1 (de) 1993-10-06
EP0563631B1 EP0563631B1 (de) 1997-07-30
EP0563631B2 true EP0563631B2 (de) 2001-09-05

Family

ID=6455338

Family Applications (1)

Application Number Title Priority Date Filing Date
EP93103728A Expired - Lifetime EP0563631B2 (de) 1992-03-28 1993-03-09 Aus Alumosilicaten und Natriumsilicaten bestehende Cogranulate, ein Verfahren zu ihrer Herstellung und ihre Verwendung

Country Status (4)

Country Link
EP (1) EP0563631B2 (ja)
JP (1) JP3237946B2 (ja)
DE (2) DE4210253A1 (ja)
ES (1) ES2107569T5 (ja)

Families Citing this family (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE19525197A1 (de) * 1995-07-11 1997-01-16 Hoechst Ag Granularer Waschmittelbuilder
TW370561B (en) * 1996-03-15 1999-09-21 Kao Corp High-density granular detergent composition for clothes washing
DE19756696A1 (de) 1997-12-19 1999-07-01 Clariant Gmbh Schichtsilikathaltige Wasch- und Reinigungsmittelkomponente

Family Cites Families (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
DE3526405A1 (de) * 1985-07-24 1987-02-05 Henkel Kgaa Schichtsilikate mit beschraenktem quellvermoegen, verfahren zu ihrer herstellung und ihre verwendung in wasch- und reinigungsmitteln
DE3627773A1 (de) * 1986-08-16 1988-02-18 Hoechst Ag Phosphatfreies geschirrspuelmittel
DE3920704A1 (de) * 1989-06-24 1991-01-03 Hoechst Ag Builder fuer textilwaschmittel
DE3942066A1 (de) * 1989-12-20 1991-06-27 Henkel Kgaa Verfahren zur herstellung eines granularen, avivierend wirkenden waschmitteladditivs
GB9008462D0 (en) * 1990-04-12 1990-06-13 Ecc Int Ltd Granules for detergent compositions

Also Published As

Publication number Publication date
EP0563631A1 (de) 1993-10-06
ES2107569T5 (es) 2001-12-16
ES2107569T3 (es) 1997-12-01
EP0563631B1 (de) 1997-07-30
DE4210253A1 (de) 1993-09-30
DE59306989D1 (de) 1997-09-04
JP3237946B2 (ja) 2001-12-10
JPH0641585A (ja) 1994-02-15

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