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WO2017153712A1 - Process for making detergent granule - Google Patents

Process for making detergent granule Download PDF

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Publication number
WO2017153712A1
WO2017153712A1 PCT/GB2017/050465 GB2017050465W WO2017153712A1 WO 2017153712 A1 WO2017153712 A1 WO 2017153712A1 GB 2017050465 W GB2017050465 W GB 2017050465W WO 2017153712 A1 WO2017153712 A1 WO 2017153712A1
Authority
WO
WIPO (PCT)
Prior art keywords
salt
detergent
granule
polycarboxylic acid
composition
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.)
Ceased
Application number
PCT/GB2017/050465
Other languages
French (fr)
Inventor
Massimo Pavan
Diego SIMIONATO
Michela Tasinazzo
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.)
Reckitt Benckiser Brands Ltd
Reckitt Benckiser Calgon BV
Original Assignee
Reckitt Benckiser Brands Ltd
Reckitt Benckiser Calgon BV
Priority date (The priority date 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 date listed.)
Filing date
Publication date
Application filed by Reckitt Benckiser Brands Ltd, Reckitt Benckiser Calgon BV filed Critical Reckitt Benckiser Brands Ltd
Publication of WO2017153712A1 publication Critical patent/WO2017153712A1/en
Anticipated expiration legal-status Critical
Ceased legal-status Critical Current

Links

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
    • C11D3/04—Water-soluble compounds
    • C11D3/046—Salts
    • 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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/06—Powder; Flakes; Free-flowing mixtures; Sheets
    • 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
    • C11D3/04—Water-soluble compounds
    • C11D3/10—Carbonates ; Bicarbonates
    • 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
    • C11D3/122—Sulfur-containing, e.g. sulfates, sulfites or gypsum
    • 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
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2082—Polycarboxylic acids-salts thereof
    • 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
    • C11D3/16—Organic compounds
    • C11D3/20—Organic compounds containing oxygen
    • C11D3/2075—Carboxylic acids-salts thereof
    • C11D3/2086—Hydroxy carboxylic acids-salts thereof
    • 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
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
    • 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
    • C11D3/16—Organic compounds
    • C11D3/37—Polymers
    • C11D3/3746—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C11D3/3757—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions
    • C11D3/3761—(Co)polymerised carboxylic acids, -anhydrides, -esters in solid and liquid compositions in solid compositions
    • 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
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/02—Inorganic compounds
    • C11D7/04—Water-soluble compounds
    • C11D7/10—Salts
    • 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
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/02—Inorganic compounds
    • C11D7/04—Water-soluble compounds
    • C11D7/10—Salts
    • C11D7/12—Carbonates bicarbonates
    • 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
    • C11D7/00—Compositions of detergents based essentially on non-surface-active compounds
    • C11D7/22—Organic compounds
    • C11D7/26—Organic compounds containing oxygen
    • C11D7/265—Carboxylic acids or salts thereof

Definitions

  • the present invention relates to granular detergents.
  • Granular detergents may be made in many processes. There are issues connected with many of these processes.
  • a process for the production of a detergent granule comprising the admixture of a detergent composition, the composition comprising:-
  • the process permits the production of an improved granule (and finished product): improved at least aesthetically because the process allows for the incorporation of materials, which are typically liquid at room temperature / pressure, into granules (and then optionally into further more complex formulations) whilst avoiding issues of stickiness.
  • the granules produced display high performance since they permit the incorporation of high levels of active; which would ordinarily be avoided due to issues of stickiness, which would give rise to clumping.
  • the granules in general have a size of from 0.1 to 10mm, more preferably from 0.15 to 3 mm, preferably from 0.2 to 2 mm.
  • the detergent composition comprises about 2-4wt% water (before admixture).
  • the granule may contain another component of a detergent composition. Indeed in this regard it has been found that when one or more components of a detergent composition is included in the granule of the present invention this is advantageous in that the component is protected from the remainder of the detergent composition. This can be important when the component is, for example, pH sensitive as many household detergent compositions, e.g. laundry and automatic dishwashing compositions are highly alkaline.
  • the salt of a polycarboxylic acid preferable comprises a citrate salt.
  • the polymer of a polycarboxylic acid is preferably at least partially neutralised.
  • Builders such as polycarboxylates can be included in the granule.
  • a detergent granule made in a process comprising the admixture of a detergent composition, the composition comprising 10-15wt% of a metal carbonate salt; 58-64wt% of a metal sulphate salt; 12-17wt% of a salt of a polycarboxylic acid; 3-4wt% of a polymer of a polycarboxylic acid; and water.
  • granule has beneficial performance / physical properties. These properties are reasoned to be connected with the incorporation of materials, that are typically liquid at room temperature / pressure, into granules (and then optionally into further more complex formulations) whilst avoiding issues of stickiness.
  • the granules also display high functionality since they permit the incorporation of high levels of active; which would ordinarily be avoided due to issues of stickiness, which would give rise to clumping.
  • the detergent granule is preferably for use in a detergent composition.
  • the detergent composition is preferably in the form of a tablet.
  • the tablet is preferably formed in a compression based tabletting process.
  • tablets may be formed with a lower compression pressure. It is postulated that this advantage arises due to the granule of the invention being coarser than the powder usually used for making tablets. As a result of this coarseness a lower tabletting compression pressure has been found to be required to attain a certain level of tablet hardness. This has benefits in terms of the compression pressure that the tablet machine employs. Namely a lower compression pressure may be used. This has benefits in that a lower specification of tabletting machine can be used. Alternatively and / or additionally lower machine maintenance (for a previously suitable tablet forming machine) may be required. Such benefits have been observed especially when the granule comprises at least 10wt% of the tabletted composition.
  • the detergent composition preferably comprises a water softening composition.
  • the water softening composition is for use in an automatic washing machine.
  • the automatic washing machine is an automatic laundry machine for washing fabrics / clothes.
  • the detergent composition is preferably granular (including compressed granular formats such as tablets) and includes other detergent components.

Landscapes

  • Chemical & Material Sciences (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)
  • Inorganic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Emergency Medicine (AREA)
  • Detergent Compositions (AREA)

Abstract

A process for the production of a detergent granule comprises the admixture of a detergent composition. The composition comprises 10-15wt% of a metal carbonate salt; 58-64wt% of a metal sulphate salt; 12-17wt% of a salt of a polycarboxylic acid; 3- 4wt% of a polymer of a polycarboxylic acid; and water.

Description

PROCESS FOR MAKING DETERGENT GRANULE
The present invention relates to granular detergents. Granular detergents may be made in many processes. There are issues connected with many of these processes.
Two main issues revolve around the properties of the particles that are produced. Many processes yield particles which are friable (overly friable) and degrade in storage / transportation / use. A further issue is that the particles may have poor flow ability properties.
It is an object of the present invention to obviate / mitigate the problems outlined above.
According to the present invention there is provided a process for the production of a detergent granule comprising the admixture of a detergent composition, the composition comprising:-
10-15wt% of a metal carbonate salt;
58-64wt% of a metal sulphate salt;
12-17wt% of a salt of a polycarboxylic acid;
3-4wt% of a polymer of a polycarboxylic acid; and
water.
(all amounts are before admixture)
We have found that the process of the present invention produces detergent granules which have excellent properties. These properties are particularly the properties of good stability (particularly in long term storage) and good flowability.
It has also been found that the process permits the production of an improved granule (and finished product): improved at least aesthetically because the process allows for the incorporation of materials, which are typically liquid at room temperature / pressure, into granules (and then optionally into further more complex formulations) whilst avoiding issues of stickiness.
The granules produced display high performance since they permit the incorporation of high levels of active; which would ordinarily be avoided due to issues of stickiness, which would give rise to clumping.
The granules in general have a size of from 0.1 to 10mm, more preferably from 0.15 to 3 mm, preferably from 0.2 to 2 mm.
Preferably the detergent composition comprises about 2-4wt% water (before admixture).
The granule may contain another component of a detergent composition. Indeed in this regard it has been found that when one or more components of a detergent composition is included in the granule of the present invention this is advantageous in that the component is protected from the remainder of the detergent composition. This can be important when the component is, for example, pH sensitive as many household detergent compositions, e.g. laundry and automatic dishwashing compositions are highly alkaline.
The salt of a polycarboxylic acid preferable comprises a citrate salt.
The polymer of a polycarboxylic acid is preferably at least partially neutralised.
Builders such as polycarboxylates can be included in the granule.
According to a second aspect of the present invention there is provided a detergent granule made in a process comprising the admixture of a detergent composition, the composition comprising 10-15wt% of a metal carbonate salt; 58-64wt% of a metal sulphate salt; 12-17wt% of a salt of a polycarboxylic acid; 3-4wt% of a polymer of a polycarboxylic acid; and water.
It has been found that granule has beneficial performance / physical properties. These properties are reasoned to be connected with the incorporation of materials, that are typically liquid at room temperature / pressure, into granules (and then optionally into further more complex formulations) whilst avoiding issues of stickiness. The granules also display high functionality since they permit the incorporation of high levels of active; which would ordinarily be avoided due to issues of stickiness, which would give rise to clumping.
The detergent granule is preferably for use in a detergent composition. The detergent composition is preferably in the form of a tablet. The tablet is preferably formed in a compression based tabletting process.
It has been found that the above described advantages (of high performance and / or low stickiness) are also important when the granules are employed in a tablet.
It has also been found that tablets may be formed with a lower compression pressure. It is postulated that this advantage arises due to the granule of the invention being coarser than the powder usually used for making tablets. As a result of this coarseness a lower tabletting compression pressure has been found to be required to attain a certain level of tablet hardness. This has benefits in terms of the compression pressure that the tablet machine employs. Namely a lower compression pressure may be used. This has benefits in that a lower specification of tabletting machine can be used. Alternatively and / or additionally lower machine maintenance (for a previously suitable tablet forming machine) may be required. Such benefits have been observed especially when the granule comprises at least 10wt% of the tabletted composition.
Similarly it has been found that when the granules are employed in a tablet format there is less requirement for "special" grades of tablet components. As background formulations prepared for forming tablets generally require special powder grades. These can be special in that the components has a particularly specified particle size distribution in order to enable tablet production. Clearly such special grades of tablet components are typically expensive as their production is complex. It has been found when forming tablets using granules of the invention that these special grades are no longer needed at the same levels and / or that the requirement parameters for these special grades is lower. Thus by using the granule of the invention tablet production cost can be greatly lowered.
The detergent composition preferably comprises a water softening composition. Generally the water softening composition is for use in an automatic washing machine. Preferably the automatic washing machine is an automatic laundry machine for washing fabrics / clothes. The detergent composition is preferably granular (including compressed granular formats such as tablets) and includes other detergent components.

Claims

1 . A process for the production of a detergent granule comprising the admixture of a detergent composition, the composition comprising:-
10-15wt% of a metal carbonate salt;
58-64wt% of a metal sulphate salt;
12-17wt% of a salt of a polycarboxylic acid;
3-4wt% of a polymer of a polycarboxylic acid; and
water.
2. A process according to claim 1 , wherein the granules have a size of from 0.1 to 10mm, more preferably from 0.5 to 3 mm, preferably from 0.5 to 2 mm.
3. A detergent granule made in a process comprising the admixture of a detergent composition, the composition comprising 10-15wt% of a metal carbonate salt; 58- 62wt% of a metal sulphate salt; 12-17wt% of a salt of a polycarboxylic acid; 3-4wt% of a polymer of a polycarboxylic acid; and water.
4. A detergent granule according to claim 3 for use in a detergent composition.
PCT/GB2017/050465 2016-03-07 2017-02-23 Process for making detergent granule Ceased WO2017153712A1 (en)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
GB1603858.0A GB2548331B (en) 2016-03-07 2016-03-07 Detergent granule and process of production
GB1603858.0 2016-03-07

Publications (1)

Publication Number Publication Date
WO2017153712A1 true WO2017153712A1 (en) 2017-09-14

Family

ID=55859075

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/GB2017/050465 Ceased WO2017153712A1 (en) 2016-03-07 2017-02-23 Process for making detergent granule

Country Status (2)

Country Link
GB (1) GB2548331B (en)
WO (1) WO2017153712A1 (en)

Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2992992A (en) * 1957-08-15 1961-07-18 Leo P Curtin Anhydrous monocarboxylic acid detergent compositions
WO1996002621A1 (en) * 1994-07-19 1996-02-01 Crosfield Limited Method for preparing co-granules, co-granules thus obtained and use thereof as a component in detergent compositions
WO2008044016A1 (en) * 2006-10-14 2008-04-17 Reckitt Benckiser N.V. Composition

Family Cites Families (4)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US20140287975A1 (en) * 2011-11-03 2014-09-25 Amcol International Corporation Post-added builder composition
WO2014003845A1 (en) * 2012-06-27 2014-01-03 Amcol International Corporation Low density builder and detergent particles via high shear agglomeration
KR101624951B1 (en) * 2013-02-26 2016-05-30 청산화학(주) Detergent composition for clothes comprising rhus verniciflua extract
CN105431513B (en) * 2013-08-09 2018-08-07 荷兰联合利华有限公司 Method for producing detergent particles, detergent particles and the detergent composition for including the particle

Patent Citations (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US2992992A (en) * 1957-08-15 1961-07-18 Leo P Curtin Anhydrous monocarboxylic acid detergent compositions
WO1996002621A1 (en) * 1994-07-19 1996-02-01 Crosfield Limited Method for preparing co-granules, co-granules thus obtained and use thereof as a component in detergent compositions
WO2008044016A1 (en) * 2006-10-14 2008-04-17 Reckitt Benckiser N.V. Composition

Also Published As

Publication number Publication date
GB201603858D0 (en) 2016-04-20
GB2548331B (en) 2018-07-18
GB2548331A (en) 2017-09-20

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