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1. WO1996027655 - PROCESS FOR PRODUCING DETERGENT AGGLOMERATES FROM HIGH ACTIVE SURFACTANT PASTES HAVING NON-LINEAR VISCOELASTIC PROPERTIES

Publication Number WO/1996/027655
Publication Date 12.09.1996
International Application No. PCT/US1996/002888
International Filing Date 04.03.1996
Chapter 2 Demand Filed 30.09.1996
IPC
C11D 3/10 2006.01
CCHEMISTRY; METALLURGY
11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
3Other compounding ingredients of detergent compositions covered in group C11D1/101
02Inorganic compounds
04Water-soluble compounds
10Carbonates
C11D 11/00 2006.01
CCHEMISTRY; METALLURGY
11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
11Special methods for preparing compositions containing mixtures of detergents
C11D 17/06 2006.01
CCHEMISTRY; METALLURGY
11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
DDETERGENT COMPOSITIONS; USE OF SINGLE SUBSTANCES AS DETERGENTS; SOAP OR SOAP-MAKING; RESIN SOAPS; RECOVERY OF GLYCEROL
17Detergent materials or soaps characterised by their shape or physical properties
06Powder; Flakes; Free-flowing mixtures; Sheets
CPC
C11D 11/0082
CCHEMISTRY; METALLURGY
11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
DDETERGENT COMPOSITIONS
11Special methods for preparing compositions containing mixtures of detergents
0082one or more of the detergent ingredients being in a liquefied state, e.g. slurry, paste, melt, and the process resulting in solid detergent particles such as granules, powders or beads
C11D 17/065
CCHEMISTRY; METALLURGY
11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
DDETERGENT COMPOSITIONS
17Detergent materials characterised by their shape or physical properties
06Powder; Flakes; Free-flowing mixtures; Sheets
065High-density particulate detergent compositions
C11D 3/10
CCHEMISTRY; METALLURGY
11ANIMAL OR VEGETABLE OILS, FATS, FATTY SUBSTANCES OR WAXES; FATTY ACIDS THEREFROM; DETERGENTS; CANDLES
DDETERGENT COMPOSITIONS
3Other compounding ingredients of detergent compositions covered in group C11D1/00
02Inorganic compounds ; ; Elemental compounds
04Water-soluble compounds
10Carbonates ; ; Bicarbonates
Applicants
  • THE PROCTER & GAMBLE COMPANY [US]/[US]
Inventors
  • WELCH, Robert, Gary
  • GITHUKU, David, Ngibuini
  • HOLLIHAN, Lester, John
  • JACKSON, Charles, Andrew
Agents
  • REED, T., David
Priority Data
08/399,79007.03.1995US
Publication Language English (EN)
Filing Language English (EN)
Designated States
Title
(EN) PROCESS FOR PRODUCING DETERGENT AGGLOMERATES FROM HIGH ACTIVE SURFACTANT PASTES HAVING NON-LINEAR VISCOELASTIC PROPERTIES
(FR) PROCEDE POUR PRODUIRE DES AGGLOMERATS DE DETERGENTS A PARTIR DE PATES A TENEUR ELEVEE EN TENSIOACTIFS PRESENTANT DES PROPRIETES VISCOELASTIQUES NON LINEAIRES
Abstract
(EN)
A process for preparing detergent agglomerates for a detergent composition is provided. The process comprises the steps of: (a) providing a non-linear viscoelastic surfactant paste including, by weight of the surfactant paste, from about 70 % to 95 % of a detersive surfactant and from about 5 % to about 30 % of water; (b) regulating the amount of sodium carbonate in the surfactant paste such that the surfactant paste has a Maximum Shear Rate of at least 20 sec-1 so that the surfactant paste is processable; (c) charging the surfactant paste into a high speed mixer/densifier; (d) inputting from about 1 % to about 70 % by weight of a detergency builder into the high speed mixer/densifier; and (e) agglomerating the surfactant paste and the builder by treating the surfactant paste and the builder initially in the high speed mixer/densifier and subsequently in a moderate speed mixer/densifier so as to form detergent agglomerates.
(FR)
L'invention concerne un procédé pour préparer des agglomérats destinés à des compositions détergentes. Ce procédé consiste à (a) réaliser une pâte épaisse de tensioactif ayant des propriétés viscoélastiques non linéaires contenant environ 70 % à environ 95 % d'un tensioactif détersif et environ 5 % à environ 30 % d'eau; (b) ajuster la quantité de carbonate de sodium dans la pâte du tensioactif pour que cette pâte ait un gradient de cisaillement maximum d'au moins 20 sec-1, ce qui la rend apte à un traitement; (c) à charger la pâte de tensioactif dans un mélangeur/épaississeur rapide, puis (d) à introduire environ 1 % à environ 70 % en poids d'adjuvant de détergence dans le mélangeur/épaississeur rapide, et (e) à agglomérer la pâte de tensioactif et adjuvant par traitement de la pâte de tensioactif et de l'adjuvant initialement dans le mélangeur/épaississeur rapide et ensuite dans un mélangeur/épaississeur fonctionnant à vitesse moyenne, ce qui permet d'obtenir des agglomérats de détergent.
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