[go: up one dir, main page]

WO2025145377A1 - Granules détergents contenant du carbonate de calcium précipité présentant une morphologie prismatique - Google Patents

Granules détergents contenant du carbonate de calcium précipité présentant une morphologie prismatique Download PDF

Info

Publication number
WO2025145377A1
WO2025145377A1 PCT/CN2024/070574 CN2024070574W WO2025145377A1 WO 2025145377 A1 WO2025145377 A1 WO 2025145377A1 CN 2024070574 W CN2024070574 W CN 2024070574W WO 2025145377 A1 WO2025145377 A1 WO 2025145377A1
Authority
WO
WIPO (PCT)
Prior art keywords
particles
detergent composition
calcium carbonate
microns
solid detergent
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.)
Pending
Application number
PCT/CN2024/070574
Other languages
English (en)
Inventor
Dan Xu
Ying He
Wenhui FENG
Yiqun Zhang
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.)
Procter and Gamble Co
Original Assignee
Procter and Gamble Co
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 Procter and Gamble Co filed Critical Procter and Gamble Co
Priority to PCT/CN2024/070574 priority Critical patent/WO2025145377A1/fr
Publication of WO2025145377A1 publication Critical patent/WO2025145377A1/fr
Pending legal-status Critical Current
Anticipated expiration legal-status Critical

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
    • 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
    • C11D17/00—Detergent materials or soaps characterised by their shape or physical properties
    • C11D17/0039—Coated compositions or coated components in the compositions, (micro)capsules
    • 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
    • C11D3/1233—Carbonates, e.g. calcite or dolomite

Definitions

  • ⁇ a bulk density ranging from 100 g/L to 1000 g/L, preferably from 150 g/L to 800 g/L, more preferably from 200 g/L to 600 g/L, most preferably from 250 g/L to 400 g/L; and/or
  • ⁇ a particle size distribution characterized by: (1) a D50 ranging from 0.1 micron to 50 microns, preferably from 0.5 microns to 20 microns, more preferably from 1 micron to 10 microns, most preferably from 2 microns to 5 microns; and/or (2) a D90 of less than 50 microns, preferably less than 20 microns, more preferably less than 15 microns, most preferably less than 10 microns; and/or
  • ⁇ a moisture content of less than 3%, preferably less than 2%, more preferably less than 1%, most preferably less than 0.5%;
  • the precipitated calcium carbonate may further comprise calcium carbonate particles having a morphology of cubic.
  • the precipitated calcium carbonate comprises calcium carbonate particles having a morphology of prismatic as a major part and calcium carbonate particles having a morphology of cubic as a minor part.
  • the precipitated calcium carbonate content ranges from 0.1%to 9%, preferably from 0.5%to 8%, more preferably from 1%to 7%, most preferably from 1.2%to 6%, for example 1%, 2%, 3%, 4%, 5%, 6%or any ranges therebetween, by total weight of said solid detergent composition.
  • said each of said detergent granule comprises a base particle comprising one or more surfactants; and a coating layer over said base particle, said coating layer comprising precipitated calcium carbonate.
  • the base particle is substantially free of, preferably essentially free of, precipitated calcium carbonate.
  • each of said detergent granules further comprises alkali metal carbonate.
  • the content of alkali metal carbonate ranges from 6%to 70%, preferably from 8%to 60%, more preferably from 10%to 50%, most preferably from 15%to 40%, by total weight of said solid detergent composition.
  • each of said detergent granules further comprises one or more ingredients selected from the group consisting of polymers, silicones, perfumes, nonionic surfactants, and combinations thereof.
  • each of said detergent granules further comprises a mixture of perfume (s) and nonionic surfactant (s) .
  • each of said detergent granules further comprises one or more enzymes.
  • each of said detergent granules further comprises a lipase.
  • the base particles of said detergent granules are selected from the group consisting of spray-dried particles, agglomerates, and mixtures thereof.
  • the present invention relates to a method of laundering fabric, comprising the steps of:
  • each of said detergent granule comprises precipitated calcium carbonate having a morphology of prismatic.
  • the water or the aqueous solution has a hardness of from 1.2 mmol/L to 50 mmol/L, preferably from 1.2 mmol/L to 40 mmol/L, more preferably from 1.5 mmol/L to 30 mmol/L, for example 1.5 mmol/L, 1.7 mmol/L, 2.0 mmol/L, 2.1 mmol/L or any ranges therebetween, for calcium.
  • precipitated calcium carbonate having a surface area of from 1 m 2 /g to 20 m 2 /g, from 2 m 2 /g to 9 m 2 /g, preferably from 3 m 2 /g to 8 m 2 /g, more preferably from 3.5 m 2 /g to 7 m 2 /g, for example 3 m 2 /g, 3.5 m 2 /g, 4 m 2 /g, 4.5 m 2 /g, 5 m 2 /g, 5.5 m 2 /g, 6 m 2 /g, 6.5 m 2 /g or any ranges therebetween.
  • the present invention relates to use of a plurality of detergent granules in preventing color fading or color bleeding of a colored fabric, wherein said each of said detergent granule comprises precipitated calcium carbonate in which the precipitated calcium carbonate has a morphology of prismatic.
  • Fig. 1 shows SEM photos of precipitated calcium carbonate particles having different morphologies.
  • PCC-A has a morphology of prismatic (major) and cubic (minor)
  • PCC-B has a morphology of scalenohedral
  • PCC-C has a morphology of scalenohedral
  • PCC-D has a morphology of cubic.
  • Fig. 2 shows results of colour protection test for solid detergent compositions containing PCC in which PCC having a morphology of prismatic can provide a better color protection compared to PCC having other morphologies.

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)
  • Detergent Compositions (AREA)

Abstract

La présente invention concerne des granules détergents contenant du carbonate de calcium précipité présentant une morphologie prismatique, ainsi qu'une composition détergente solide comprenant de tels granules détergents, et des procédés de blanchissage de tissu y ayant recours.
PCT/CN2024/070574 2024-01-04 2024-01-04 Granules détergents contenant du carbonate de calcium précipité présentant une morphologie prismatique Pending WO2025145377A1 (fr)

Priority Applications (1)

Application Number Priority Date Filing Date Title
PCT/CN2024/070574 WO2025145377A1 (fr) 2024-01-04 2024-01-04 Granules détergents contenant du carbonate de calcium précipité présentant une morphologie prismatique

Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
PCT/CN2024/070574 WO2025145377A1 (fr) 2024-01-04 2024-01-04 Granules détergents contenant du carbonate de calcium précipité présentant une morphologie prismatique

Publications (1)

Publication Number Publication Date
WO2025145377A1 true WO2025145377A1 (fr) 2025-07-10

Family

ID=89768331

Family Applications (1)

Application Number Title Priority Date Filing Date
PCT/CN2024/070574 Pending WO2025145377A1 (fr) 2024-01-04 2024-01-04 Granules détergents contenant du carbonate de calcium précipité présentant une morphologie prismatique

Country Status (1)

Country Link
WO (1) WO2025145377A1 (fr)

Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3957695A (en) * 1972-08-22 1976-05-18 Lever Brothers Company Detergent compositions containing calcium carbonate
WO1992021613A1 (fr) * 1991-06-04 1992-12-10 Minerals Technologies, Inc. Particules de carbonate de calcium precipitees obtenues a partir de carbonate de calcium basique
WO2013078949A1 (fr) * 2011-12-01 2013-06-06 Unilever N.V. Composition liquide pour le nettoyage de surfaces dures
WO2021052901A1 (fr) * 2019-09-17 2021-03-25 Novozymes A/S Composition détergente
WO2023173312A1 (fr) * 2022-03-16 2023-09-21 The Procter & Gamble Company Granulés de détergent revêtus de carbonate de calcium precipité

Patent Citations (5)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
US3957695A (en) * 1972-08-22 1976-05-18 Lever Brothers Company Detergent compositions containing calcium carbonate
WO1992021613A1 (fr) * 1991-06-04 1992-12-10 Minerals Technologies, Inc. Particules de carbonate de calcium precipitees obtenues a partir de carbonate de calcium basique
WO2013078949A1 (fr) * 2011-12-01 2013-06-06 Unilever N.V. Composition liquide pour le nettoyage de surfaces dures
WO2021052901A1 (fr) * 2019-09-17 2021-03-25 Novozymes A/S Composition détergente
WO2023173312A1 (fr) * 2022-03-16 2023-09-21 The Procter & Gamble Company Granulés de détergent revêtus de carbonate de calcium precipité

Non-Patent Citations (2)

* Cited by examiner, † Cited by third party
Title
"Standard Test Methods for Determining Bulk Density of Granular Carriers and Granular Pesticides", ASTM STANDARD E727-02, 10 October 2002 (2002-10-10)
O JIMOH ET AL: "Understanding the Precipitated Calcium Carbonate (PCC) Production Mechanism and Its Characteristics in the Liquid-Gas System Using Milk of Lime (MOL) Suspension", S. AFR. J. CHEM., vol. 70, 1 January 2017 (2017-01-01), pages 1 - 7, XP055664226, DOI: 10.17159/0379-4350/2017/v70a1 *

Similar Documents

Publication Publication Date Title
CN101001941B (zh) 在溶于水后可形成澄清洗涤液体的高水溶性固体衣物洗涤剂组合物
SE440364B (sv) Forfarande for framstellning av en partikelformig detergentkomposition innehallande ett alkalimetallkarbonat, en tvettaktiv forening och finfordelat kalciumkarbonat
EP2841553B1 (fr) Procédé de production d'un granule de détergent, granule de détergent et composition détergente comprenant ce granule
US20230295540A1 (en) Detergent granules coated with precipitated calcium carbonate
CN101243172A (zh) 包含阴离子去污表面活性剂和钙增强工艺的固体衣物洗涤剂组合物
WO2021115851A1 (fr) Granules de mgda et d'homo- ou copolymère d'acide (méth)acrylique, procédé de fabrication de ceux-ci
CN106459855A (zh) 复合洗涤剂颗粒和包含复合洗涤剂颗粒的衣物洗涤组合物
WO2015143644A1 (fr) Compositions de nettoyage contenant des polymères cationiques, et leurs procédés de fabrication et d'utilisation
US12275919B2 (en) Process for making a granule or powder
JP2021516273A (ja) 噴霧乾燥洗濯洗剤粒子を調製するための方法
EP2513278A1 (fr) Procédé de fabrication de compositions détergentes granulaires comprenant des copolymères greffés amphiphiles
WO2025145377A1 (fr) Granules détergents contenant du carbonate de calcium précipité présentant une morphologie prismatique
EP3030641B1 (fr) Procédé de production d'un granule détergent, granule détergent et composition détergente comprenant ce granule
WO2025145379A1 (fr) Procédé de blanchissage de tissu
EP1306424A1 (fr) Procede pour produire des granules destines a un support tensioactif
ES2753025T3 (es) Proceso para la producción de un gránulo de detergente, gránulo de detergente y composición de detergente que comprende dicho gránulo
CN101243173B (zh) 包含阴离子去污表面活性剂和高多孔性载体材料的固体衣物洗涤剂组合物
WO2011075426A1 (fr) Compositions de détérgent granulaire comprenant des copolymères gréffés amphiphiles
US20070042926A1 (en) Process for preparing a solid laundry detergent composition, comprising at least two drying steps
JP2002114995A (ja) 界面活性剤担持用顆粒群の製法
JPH08503240A (ja) 洗剤組成物
CN103459578A (zh) 喷雾干燥的衣物洗涤剂颗粒

Legal Events

Date Code Title Description
121 Ep: the epo has been informed by wipo that ep was designated in this application

Ref document number: 24702440

Country of ref document: EP

Kind code of ref document: A1