WO2008139292A1 - Procede de broyage en milieu aqueux de matieres minerales et de liants mettant en oeuvre une emulsion inverse d'un polymere de l'acrylamide avec un monomere acrylique - Google Patents
Procede de broyage en milieu aqueux de matieres minerales et de liants mettant en oeuvre une emulsion inverse d'un polymere de l'acrylamide avec un monomere acrylique Download PDFInfo
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- WO2008139292A1 WO2008139292A1 PCT/IB2008/001114 IB2008001114W WO2008139292A1 WO 2008139292 A1 WO2008139292 A1 WO 2008139292A1 IB 2008001114 W IB2008001114 W IB 2008001114W WO 2008139292 A1 WO2008139292 A1 WO 2008139292A1
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- aqueous suspension
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/021—Calcium carbonates
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/28—Compounds of silicon
- C09C1/30—Silicic acid
- C09C1/3009—Physical treatment, e.g. grinding; treatment with ultrasonic vibrations
- C09C1/3018—Grinding
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/36—Compounds of titanium
- C09C1/3607—Titanium dioxide
- C09C1/3615—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
- C09C1/3623—Grinding
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/10—Treatment with macromolecular organic compounds
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/22—Rheological behaviour as dispersion, e.g. viscosity, sedimentation stability
Definitions
- the invention relates to the general field of grinding an aqueous medium of mineral materials in the presence of binders.
- Mineral particles and polymeric binders are two essential components that go into the manufacture of many materials, such as for example plastics.
- the mineral particles such as calcium carbonate, provide in particular mechanical and optical properties at the final part;
- the binders generally in the form of emulsions stabilized by surfactants, they confer the necessary cohesion on all the constituents of the final material.
- the processes concerned by the present Application are they processes implementing at least one step of grinding in an aqueous medium of at least one mineral material and at least one polymeric binder. Possible stages of dispersion, concentration and drying may occur thereafter.
- This type of process poses two major problems to the skilled person.
- the first of these is related to the general phenomenon of sedimentation of self-pigmenting pigment particles, which are suspended in water.
- Those skilled in the art then seek to improve the stability of the aqueous suspensions of these self-lubricating pigment particles, so as to be able to store or transport these suspensions, possibly over long periods: it seeks to reduce the phenomenon of sedimentation.
- This foam has the disadvantage of ultimately altering certain properties (especially optical) compositions made from aqueous suspensions of self-binding pigment particles.
- the formation of foam generates industrial constraints, particularly in the transfer of suspensions of self-binding pigment particles to the storage tanks.
- WO 2005/111153 describes a process for producing particles in aqueous suspension by grinding pigment fillers with polymeric binders and this, in the presence of dispersing agents such as polyacrylates. The particles thus obtained can then be used in the manufacture of paints and coating colors.
- This document does not inform any one skilled in the art as to possible solutions to the sedimentation and foam problems for the aqueous suspensions obtained, insofar as it does not even mention these 2 disadvantages.
- the document WO 93/11183 describes a method of manufacturing an aqueous suspension of particles consisting of a pigmentary material and a polymeric binder, by mixing but also grinding (page 33, lines 33-34) in an aqueous medium.
- the characteristic of this process lies in the regulation of the Zeta potential of the initial suspension of pigment material, in particular by means of a dispersant making it possible to adjust the surface potential of the mineral filler to a value of between 0 and -50 mV. This gives a stable dispersion of self-binding pigment particles that can enter the composition of different coatings such as paints.
- this document emphasizes the possibility of implementing in the process that it describes thickeners, in particular cellulose or acrylic in direct emulsion (and possibly associative acrylics).
- thickeners in particular cellulose or acrylic in direct emulsion (and possibly associative acrylics).
- Those skilled in the art are well aware that the role played by these thickeners is to limit the phenomenon of sedimentation of the particles, in particular by increasing the viscosity of the medium.
- These solutions based on cellulosic or acrylic thickeners in direct emulsion are well known to those skilled in the art, in the sense that they were initially developed for stabilizing aqueous suspensions of "conventional" mineral substances (that is to say free from polymeric binders and not obtained by the process according to the present invention).
- the solution proposed in the examples of this document consists of the implementation of anti-foam agents, such as the Nopco TM NXZ marketed by the company COGNIS TM and the Defoamer TM 643 formerly marketed by the company RHONE POULENC TM, these two products being made from petroleum cuttings oils.
- anti-foam agents such as the Nopco TM NXZ marketed by the company COGNIS TM and the Defoamer TM 643 formerly marketed by the company RHONE POULENC TM, these two products being made from petroleum cuttings oils.
- Such products are widely used in processes for manufacturing aqueous suspensions of "conventional" mineral materials (as previously used), as well as silicone products or silicones.
- document JP 53 053598 of 1978 already described the use of silicones to reduce the presence of foam in an aqueous suspension of calcium carbonate.
- the document WO 2006/016036 describes a process for manufacturing a suspension of mineral matter in water, by grinding in the presence of binders for paints, then introduction of a dispersing agent.
- This document gives the suspensions obtained stable values for the Brookfield TM viscosity at 100 rpm for 8 days. On the one hand, it does not implement a test that directly quantifies the phenomenon of sedimentation of the particles in aqueous suspension. On the other hand, it indicates no stability character for periods longer than 8 days, and especially on periods of the order of 1 month which are those referred to in this application in terms of antisedimentation effect.
- antifoam agents which are oils of petroleum cuts, silicate products and silicones
- cellulosic or acrylic thickeners (optionally associative) in direct emulsion or xanthan gum
- the Applicant has developed a process for the preparation of self-binding pigment particles, in which an inverse emulsion formed of a dispersion in an oily phase of water particles and at least one a polymer of acrylamide with an acrylic monomer intervenes at a precise point in the process, the latter acting as anti-sedimentation agent and foam reducer.
- an inverse emulsion formed of a dispersion in an oily phase of water particles and at least one a polymer of acrylamide with an acrylic monomer intervenes at a precise point in the process the latter acting as anti-sedimentation agent and foam reducer.
- the presence of foam and the sedimentation phenomenon over a period of at least one month are greatly reduced compared with the same suspension that does not contain the said inverse emulsion.
- the Applicant has identified, in technical fields very far from that of the present invention, the solution that would allow him to solve the technical problem that was posed to him. Without wishing to be bound to any theory, the Applicant believes that the use of the inverse emulsions according to the invention makes it possible to greatly reduce the presence of foam from the oils that make up the continuous phase of said inverse emulsion, while solving the problem of sedimentation by means of the acrylamide polymer with an acrylic monomer which together with water constitutes the dispersed phase of said inverse emulsion.
- the subject of the invention therefore consists in a process for the preparation of self-binding pigment particles, dry or in aqueous suspension or dispersion, comprising the following steps:
- step c) forming or taking one or more aqueous solutions or suspensions or emulsions of at least one binder and introducing them into a mill for step c), and / or forming or taking one or more dry binders and or introduce them into a mill in view of step c);
- step c) co-grinding the aqueous suspension or suspensions obtained in step a) with the aqueous solution or suspensions or emulsions and / or the dry binder (s) obtained in step b) so as to obtain an aqueous suspension of self-binding pigmentary particles;
- step d) optionally co-grinding the aqueous suspension obtained in step c) with one or more aqueous solutions or suspensions or emulsions of at least one binder;
- step e) optionally increasing the concentration of the aqueous suspension obtained in step c) or d) by thermal and / or mechanical concentration;
- step f) optionally dispersing the aqueous suspension obtained in step e) by the use of at least one dispersing agent;
- step g) optionally drying the aqueous suspension obtained in step c) or in step d) or step e) or step f); and characterized in that an inverse emulsion formed of a dispersion in an oily phase of water particles and at least one acrylamide polymer with an acrylic monomer is introduced into the process - following step c) and any possible step d),
- step e preferentially following the completion of step e
- step f more preferentially following the completion of step f) and even more preferably before any possible step g).
- the subject of the invention also consists of a process for preparing self-binding pigment particles, dry or in aqueous suspension or dispersion, comprising the following steps:
- step c) forming or taking one or more aqueous solutions or suspensions or emulsions of at least one binder and introducing them into a mill for step c), and / or forming or taking one or more dry binders and or introduce them into a mill in view of step c);
- step c) co-grinding the aqueous suspension or suspensions obtained in step a) with the aqueous solution or suspensions or emulsions and / or the dry binder (s) obtained in step b) so as to obtain an aqueous suspension of self-pigmenting pigment particles;
- step d) optionally co-grinding the aqueous suspension obtained in step c) with one or more aqueous solutions or suspensions or emulsions of at least one binder;
- step e) optionally increasing the concentration of the aqueous suspension obtained in step c) or d) by thermal and / or mechanical concentration;
- step f) optionally dispersing the aqueous suspension obtained in step e) by the use of at least one dispersing agent;
- step g) optionally drying the aqueous suspension obtained in step c) or in step d) or step e) or step f); and characterized in that an inverse emulsion formed of a dispersion in an oily phase of water particles and at least one acrylamide polymer with an acrylic monomer is introduced into the process
- step c Before and / or during step c).
- binder used in the present application refers to any natural or synthetic product of organic nature having binding properties. These binder properties, which increase the interparticle cohesive forces of the starting mineral, are determined according to the method described in Example 1 of WO 2006/008657.
- step d said inverse emulsion is implemented after step d).
- step e preferentially following the completion of step e
- This method is also characterized in that said inverse emulsion contains, relative to its total weight (the sum of the percentages being equal to 100%):
- This process is also characterized in that the acrylamide polymer with an acrylic monomer is optionally totally or partially neutralized with one or more neutralization agents, preferably chosen from ammonia, sodium hydroxides, potassium hydroxides and their mixtures, the neutralization agent being very preferably ammonia.
- neutralization agents preferably chosen from ammonia, sodium hydroxides, potassium hydroxides and their mixtures, the neutralization agent being very preferably ammonia.
- This process is also characterized in that the acrylamide polymer with an acrylic monomer has a molecular weight of between 10 5 and 10 7 g / mol.
- This process is also characterized in that the ratio by weight acrylamide: acrylic monomer is between 10: 90 and 90: 10, preferably between 20: 80 and 80: 20.
- This process is also characterized in that the acrylic monomer is selected from acrylic acid, methacrylic acid and mixtures thereof, and is preferably acrylic acid.
- oily phase is composed of oils which are aromatic mixtures and / or alkanes having from 6 to 20 carbon atoms, preferably from 12 to 18 carbon atoms.
- This process is also characterized in that said process uses 300 to 3000 ppm of said inverse emulsion, relative to the dry weight of pigment material and polymeric binder.
- the pigment material is selected from metal oxides, hydroxides, sulphites, silicates and carbonates, such as calcium carbonate, dolomites, kaolin talc, gypsum, dioxide titanium, satin white or aluminum trihydroxide and mixtures thereof.
- the pigment material is a carbonate selected from synthetic or natural calcium carbonate and mixtures thereof. It is even more preferentially a natural calcium carbonate, such as chalk, marble, calcite, limestone, or mixtures thereof.
- the process according to the invention is also characterized in that the aqueous suspension or suspensions of pigmentary substances formed in step a) contain from 1% to 80% by dry weight of pigmentary materials, and preferentially contain from 15% to 60% by weight. in dry weight of pigmentary materials.
- This process is also characterized in that said process uses a quantity by dry weight of polymeric binder of less than 20%, preferably of 10%, very preferably of 5% of the dry weight of pigment material.
- the binder is selected from semi-crystalline binders, binders based on polyvinyl alcohol, polyvinyl acetate, starch, casein, proteins, carboxymethylcellulose (CMC), ethylhydroxyethylcellulose (EHEC), copolymers of acrylic esters, and mixtures thereof.
- the one or more binders are semi-crystalline latices, and more preferably are polyethylene or copolymers in neutralized form of polyethylene with other monomeric units such as acrylic acid or other monomers or mixtures thereof.
- the process according to the invention is also characterized in that the binder or binders of step b) are in the form of one or more solutions or of one or more suspensions or of one or more aqueous emulsions or in the form of dry granules.
- this process is also characterized in that the binder or binders of step b) are in the form of one or more solutions or of one or more suspensions or of one or more aqueous emulsions.
- the process according to the invention is also characterized by what the solution or solutions aqueous suspensions or emulsions of at least one binder formed in step b) contain from 1% to 60% by weight of at least one binder, and more preferably from 5% to 50% by weight of at least one binder .
- the process according to the invention is also characterized in that the binder or binders are emulsions of polyethylene waxes or copolymers in the form of neutralized polyethylene with other monomeric units such as acrylic acid or other monomers, latex emulsions of acrylic ester copolymers, or mixtures thereof.
- the process according to the invention is also characterized in that the suspension formed in step c) has a pigment material ratio: binders contained in the suspension obtained between 99: 1 and 1: 99, and preferably between 90:10 and 10: 90 expressed in parts by weight.
- This method is also characterized in that the method is adapted in order to obtain, in step c), self-binding pigmentary particles with an average particle diameter of between 0.1 ⁇ m and 10 ⁇ m, and preferably between 0 ⁇ m and 10 ⁇ m. , 1 micron and 2 microns measured using a MasterSizer TM S granulometer marketed by the company MALVERN (with the presentation 3 PHD).
- This process is also characterized in that no dispersant is used before and / or during step c) grinding.
- This process is also characterized in that a dispersing agent is also used before and / or during the grinding step c).
- the process of the invention is characterized in that no dispersant is used during step c).
- This method is also characterized in that a dispersing agent is used in step f).
- dispersant when used in the process according to the invention, it will be noted that the latter may also act as a wetting agent. that it acts to render partially or wholly hydrophilic a partially or wholly hydrophobic surface.
- the dispersing agent or agents are chosen from organic compounds that are well known to those skilled in the art, giving steric or electrostatic stabilization.
- step f Preferably, during the implementation of at least one dispersing agent in step f), 0.01% to 5%, preferably 0.01% to 2% by weight of agent, is added. dispersant in step f).
- step g) is carried out in order to obtain dry self-binding pigmentary particles.
- Another object of the present invention are the dry self-binding pigment particles obtained by the process according to the invention implementing step g).
- dry self-binding pigmentary particles are also characterized in that they have an average particle diameter of between 5 ⁇ m and 100 ⁇ m, and preferably between 10 ⁇ m and 30 ⁇ m as measured from a MasterSizer TM S particle size analyzer. marketed by the company MALVERN (with the presentation 3PHD).
- dry self-binding pigmentary particles are also characterized in that they are self-binding as defined in Example 1 of WO 2006/008657.
- dry self-binding pigmentary particles are also characterized in that when they are suspended in water, they sediment slower than self-binding pigment particles formed by the same process not implementing said inverse emulsion.
- Another subject of the present invention is the aqueous suspension of self-binding pigmentary particles, characterized in that it is obtained by the process according to the invention.
- This aqueous suspension of self-binding pigment particles is also characterized in that the pigment particles are self-binding as defined in Example 1 of WO 2006/008657.
- This aqueous suspension of self-binding pigmentary particles is also characterized in that the self-binding pigmentary particles sediment slower than a suspension of self-binding pigment particles formed by the same process not implementing said inverse emulsion.
- This aqueous suspension of self-binding pigment particles is also characterized in that it contains between 5% and 80% by weight of pigment materials, between 1% and 30% by weight of binders, between 0.03% and 0.3% by weight of inverse emulsion, and between 19% and 94% by weight of water, and preferably, in that it contains between 20% and 40% by weight of pigment materials, between 5% and 20% by weight of binders, between 0.03% and 0.3% by weight of inverse emulsion, and between 40% and 75% by weight of water.
- This example illustrates the use, in a manufacturing process of an aqueous suspension of self-binding pigmentary particles based on calcium carbonate and a styrene-butadiene binder.
- a concentrated aqueous dispersion of self-binding pigment particles is first prepared according to the following procedure.
- a Dyno-Mill TM type mill with a fixed cylinder, a rotating impeller and whose grinding body consists of glass beads with a diameter of between 1 and 1.4 mm, is ground in an aqueous medium: carbonate of calcium which is a Norwegian marble, whose median diameter (measured by a Sedigraph TM 5100 sold by the company MICROMERITICS TM) is equal to 0.8 ⁇ m, - a styrene-acrylic binder marketed by BASF TM under the name of
- the amounts of water, calcium carbonate and binders are adjusted so that: the dry weight content of calcium carbonate and the 2 binders is equal to 20% of the total weight of the suspension obtained after the grinding,
- the ratio by dry weight calcium carbonate / Acronal TM S 728 / Polygen TM WE4 is equal to 100 / 9.5 / 0.5.
- the density of the grinding body is equal to 1.8 g / cm 3 .
- the grinding chamber has a volume equal to 600 cm 3 .
- the circumferential speed of the mill is equal to 10 m.sup.- 1 .
- the median diameter is equal to 0.5 microns.
- This suspension is then concentrated to a dry weight content of calcium carbonate and binders equal to 40% of its total weight, by means of a Rouan XYX centrifuge rotating at 5500 revolutions per minute.
- the suspension obtained is finally dispersed, with introduction of 0.5% by dry weight of a polymer of acrylic acid, methacrylic acid, styrene and butyl acrylate and 0.1% by weight. dry of a polymer of acrylic acid and maleic anhydride (these amounts being relative to the dry weight of calcium carbonate and 2 binders).
- test No. 1 which is a control
- test No. 2 to 15 a product according to the invention or a product according to the prior art or the mixture of 2 products of the prior art is added.
- prior art The products are marked with letters whose meaning is given below.
- Tests No. 2 to 9 use 1000 ppm of an antifoam or antisedimentation agent of the prior art.
- Tests No. 10 to 14 use 1000 ppm of an antifoam and 1000 ppm of an antisedimentation agent of the prior art.
- Tests No. 15 to 17 use 2000 ppm of the inverse emulsion according to the invention.
- antisedimentation agent 1 of the prior art is called a thickener which is a HASE type associative acrylic polymer marketed by COATEX TM under the name Thixol TM 53 L, denoted Al;
- antisedimentation agent 2 of the prior art a thickener which is a HASE associative acrylic polymer, sold by the company Rohm & Haas TM under the name Acrysol TM TT 945, denoted A2;
- antisedimentation agent 3 of the prior art a thickener which is an associative acrylic polymer of the ASE type, marketed by COATEX TM under the name Viscoatex TM 46, denoted A3;
- antisedimentation agent 4 of the prior art a hydroxyethyl cellulose, sold by AKZO NOBEL TM under the name Bermocoll TM EM 700 FQ, denoted A4;
- antisedimentation agent 5 of the prior art a xanthan gum sold by the company RHODIA TM under the name Rhodigel TM, denoted A5 antifoaming agent 1 of the prior art, a mineral oil formulation marketed by the company NOPCO TM under the name NOPCO TM NXZ, denoted Bl; antifoam agent 2 of the prior art a direct aqueous emulsion of polydimethyl siloxanes sold by the company RHODIA TM under the name Rhodosil TM 422, denoted B2; antifoam agent 3 of the prior art, an emulsion of silicones and hydrophobes, marketed by Byk TM under the name Byk TM 022, denoted B 3;
- an antifoam and antisedimentation agent an inverse emulsion which consists of the dispersion in an oily phase of water and of a polymer of acrylamide with acrylic acid, marketed by COATEX TM under the name M 1201, and noted C; this dispersion consists of 15% by weight of water, 52% by weight of an oily phase consisting of a mixture of oils from petroleum fractions and having between 12 and 18 carbon atoms, 3% by weight of tensio and 30% of an inverse emulsion of a polymer of acrylic acid and acrylamide in a weight ratio of 20:80, and with a molecular weight of around 3,000,000 g / mol;
- the experimental density p of the system is determined by pycnometry.
- the relative error is of the order of 5% on the final measurement.
- the density of the 2 binders is equal to 1.0 and that of the calcium carbonate is equal to 2.7. It is recalled that the dry weight content of calcium carbonate and the 2 binders is equal to
- Table 1 shows firstly that the anti-sedimentation agents of the prior art actually make it possible to improve the stability of the suspensions obtained, but that they have no antifoam effect; at the same time, the antifoam agents of the art previous allow to reduce the presence of foam in the suspensions, but have no effect on the phenomenon of sedimentation (case of tests No. 2 to 9).
- a mixture consisting of 2000 ppm of these products 1000 ppm antifoam and 1000 ppm antisedimentation agent
- this solution represents the combinations of prior art (case of tests No. 10 to 14).
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Paints Or Removers (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Adhesives Or Adhesive Processes (AREA)
- Polymerisation Methods In General (AREA)
- Addition Polymer Or Copolymer, Post-Treatments, Or Chemical Modifications (AREA)
- Processes Of Treating Macromolecular Substances (AREA)
- Cosmetics (AREA)
- Colloid Chemistry (AREA)
Abstract
Description
Claims
Priority Applications (9)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
RU2009145945/02A RU2475510C2 (ru) | 2007-05-11 | 2008-05-06 | Способ измельчения в водной среде минеральных веществ и связующих с использованием обратной эмульсии полимера акриламида с акриловым мономером |
MX2009011990A MX2009011990A (es) | 2007-05-11 | 2008-05-06 | Metodo para la trituracion media acuosa de materiales minerales y aglutinantes usando una emulsion inversa de un polimero de acrilamida con un monomero acrilico. |
CA2685556A CA2685556C (fr) | 2007-05-11 | 2008-05-06 | Procede de meulage d'un support aqueux de matiere minerale et liants comportant une emulsion inversee d'un polymere d'acrylamide et un monomere acrylique |
CN2008800157299A CN101679769B (zh) | 2007-05-11 | 2008-05-06 | 使用具有丙烯酸类单体的丙烯酰胺聚合物的反相乳液在水性介质中研磨矿物材料及黏结剂的方法 |
US12/451,132 US8080595B2 (en) | 2007-05-11 | 2008-05-06 | Process for grinding in an aqueous medium of mineral matter and binders using a reverse emulsion of a polymer acrylamide with an acrylic monomer |
EP08737593A EP2195388B1 (fr) | 2007-05-11 | 2008-05-06 | Procede de broyage en milieu aqueux de matieres minerales et de liants mettant en oeuvre une emulsion inverse d'un polymere de l'acrylamide avec un monomere acrylique |
JP2010507018A JP5618823B2 (ja) | 2007-05-11 | 2008-05-06 | アクリルモノマーを含むアクリルアミドのポリマーの逆エマルジョンを使用して水性媒体において鉱物質および結合剤を粉砕するための方法 |
KR1020097024710A KR101512865B1 (ko) | 2007-05-11 | 2008-05-06 | 아크릴계 단량체와 아크릴아미드의 중합체의 역유화액을 이용하여 무기 물질 및 바인더의 수성 매질에서 그라인딩하는 방법 |
AU2008249749A AU2008249749A1 (en) | 2007-05-11 | 2008-05-06 | Method for the aqueous medium grinding of mineral materials and binders using a reverse emulsion of a polymer of acrylamide with an acrylic monomer |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP07290603A EP1990376B1 (fr) | 2007-05-11 | 2007-05-11 | Procédé de broyage en millieu aqueux de matières minérales et de liants mettant en oeuvre une émulsion inverse d'un polymère de l'acrylamide avec un monomère acrylique |
EP07290603.5 | 2007-05-11 |
Publications (1)
Publication Number | Publication Date |
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WO2008139292A1 true WO2008139292A1 (fr) | 2008-11-20 |
Family
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Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
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PCT/IB2008/001114 WO2008139292A1 (fr) | 2007-05-11 | 2008-05-06 | Procede de broyage en milieu aqueux de matieres minerales et de liants mettant en oeuvre une emulsion inverse d'un polymere de l'acrylamide avec un monomere acrylique |
Country Status (18)
Country | Link |
---|---|
US (1) | US8080595B2 (fr) |
EP (2) | EP1990376B1 (fr) |
JP (1) | JP5618823B2 (fr) |
KR (1) | KR101512865B1 (fr) |
CN (1) | CN101679769B (fr) |
AR (1) | AR067436A1 (fr) |
AT (1) | ATE506418T1 (fr) |
AU (1) | AU2008249749A1 (fr) |
CA (1) | CA2685556C (fr) |
CL (1) | CL2008001349A1 (fr) |
DE (1) | DE602007014018D1 (fr) |
DK (1) | DK1990376T3 (fr) |
ES (1) | ES2365551T3 (fr) |
MX (1) | MX2009011990A (fr) |
PT (1) | PT1990376E (fr) |
RU (1) | RU2475510C2 (fr) |
TW (1) | TWI432530B (fr) |
WO (1) | WO2008139292A1 (fr) |
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WO2010082107A1 (fr) | 2009-01-16 | 2010-07-22 | Coatex S.A.S. | Utilisation de polymeres acryliques peigne avec des groupes hydrophobes comme agents de couplage dans un procede de broyage de matieres minerales avec des liants |
EP2505615A1 (fr) | 2011-04-01 | 2012-10-03 | Omya Development AG | Hybride de pigments autoliants |
EP2505614A1 (fr) | 2011-04-01 | 2012-10-03 | Omya Development AG | Procédé pour la préparation de particules de pigments autoliants |
EP2565237A1 (fr) | 2011-08-31 | 2013-03-06 | Omya Development AG | Procédé pour la préparation de suspensions de particules de pigments autoliants |
EP2565236A1 (fr) | 2011-08-31 | 2013-03-06 | Omya Development AG | Hybride de pigments autoliants |
EP2662419A1 (fr) | 2012-05-11 | 2013-11-13 | Omya International AG | PHCH à charge contrôlée |
EP2662416A1 (fr) | 2012-05-11 | 2013-11-13 | Omya International AG | Traitement de matériaux contenant du carbonate de calcium pour augmenter la charge de remplissage dans le papier |
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EP3018176A1 (fr) | 2014-11-07 | 2016-05-11 | Omya International AG | Procédé de préparation de particules de charge floculées |
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DK2447328T3 (en) * | 2010-10-29 | 2015-03-09 | Omya Int Ag | A method for improving håndterligheden of calcium carbonate-containing materials |
EP2748242B1 (fr) * | 2011-08-24 | 2015-06-24 | Merck Patent GmbH | Particules de polymère colorées |
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Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB841127A (en) | 1957-05-31 | 1960-07-13 | Dow Chemical Co | Inverse emulsion polymerisation of water-soluble monomers |
JPS5353598A (en) | 1976-10-25 | 1978-05-16 | Maruo Calcium | Process for producing painting calcium carbonate |
CA2081831A1 (fr) | 1991-11-04 | 1993-05-05 | Randy J. Griffard | Procede de stabilisation de carbonate de calcium precipite |
WO1993011183A1 (fr) | 1991-12-03 | 1993-06-10 | Rohm And Haas Company | Procede de preparation d'une dispersion aqueuse |
US6136305A (en) | 1994-06-22 | 2000-10-24 | Societe D'exploitation De Produits Pour Les Industries Chimiques, S.E.P.P.I.C. | Topical composition comprising a thickener of acrylic acid-acrylamide water-in-oil emulsion |
WO2005111153A1 (fr) | 2004-05-12 | 2005-11-24 | Alpha Calcit Füllstoff Gesellschaft Mbh | Charges et pigments inorganiques modifies en surface |
WO2006008657A2 (fr) | 2004-07-13 | 2006-01-26 | Omya Development Ag | Procede de fabrication de particules pigmentaires auto-liantes, seches ou en suspension ou dispersion aqueuses, contenant des matieres inorganiques et des liants |
WO2006016036A1 (fr) | 2004-07-13 | 2006-02-16 | Coatex S.A.S. | Procede de broyage de matieres minerales en presence de liants, suspensions aqueuses obtenues et leurs utilisation |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPS5895545A (ja) * | 1981-11-30 | 1983-06-07 | Kanzaki Paper Mfg Co Ltd | 分散剤 |
US5318624A (en) * | 1992-09-04 | 1994-06-07 | Eastman Kodak Company | Process for preparing a dispersion from an agglomerated mixture |
JPH07300568A (ja) * | 1994-05-02 | 1995-11-14 | Fuaimatetsuku:Kk | 無機微粉体の製造方法 |
US5541253A (en) * | 1994-10-11 | 1996-07-30 | The B. F. Goodrich Company | High solids copolymer dispersion from a latex and its use in sealants |
JPH09194669A (ja) * | 1996-01-24 | 1997-07-29 | Toagosei Co Ltd | 炭酸カルシウムスラリーの製造方法 |
US6660793B1 (en) | 2000-06-15 | 2003-12-09 | E. I. Du Pont De Nemours And Company | Aqueous coating compositions having improved transparency |
FR2818165B1 (fr) * | 2000-12-20 | 2003-10-31 | Coatex Sas | Agent d'aide au broyage de materiaux mineraux en suspension aqueuse. suspensions aqueuses obtenues et leurs utilisations |
DE10209448A1 (de) | 2002-03-05 | 2003-09-18 | Basf Ag | Wäßrige Anschlämmungen von feinteiligen Füllstoffen, Verfahren zu ihrer Herstellung und ihre Verwendung zur Herstellung füllstoffhaltiger Papiere |
JP4612788B2 (ja) * | 2002-05-21 | 2011-01-12 | キヤノン株式会社 | 水不溶性色材を含む粒子の分散体及びその製造方法 |
FR2846972B1 (fr) | 2002-11-08 | 2005-02-18 | Omya Ag | Suspensions aqueuses de matieres minerales broyees, faiblement chargees ioniquement et leurs utilisations |
FR2873046B1 (fr) * | 2004-07-13 | 2007-11-02 | Coatex Soc Par Actions Simplif | Procede de broyage de matieres minerales en presence d'epaississants, suspensions aqueuses obtenues et leurs utilisations |
-
2007
- 2007-05-11 AT AT07290603T patent/ATE506418T1/de active
- 2007-05-11 ES ES07290603T patent/ES2365551T3/es active Active
- 2007-05-11 PT PT07290603T patent/PT1990376E/pt unknown
- 2007-05-11 DK DK07290603.5T patent/DK1990376T3/da active
- 2007-05-11 EP EP07290603A patent/EP1990376B1/fr active Active
- 2007-05-11 DE DE602007014018T patent/DE602007014018D1/de active Active
-
2008
- 2008-05-02 TW TW097116164A patent/TWI432530B/zh not_active IP Right Cessation
- 2008-05-05 AR ARP080101897A patent/AR067436A1/es unknown
- 2008-05-06 JP JP2010507018A patent/JP5618823B2/ja not_active Expired - Fee Related
- 2008-05-06 AU AU2008249749A patent/AU2008249749A1/en not_active Abandoned
- 2008-05-06 KR KR1020097024710A patent/KR101512865B1/ko active IP Right Grant
- 2008-05-06 WO PCT/IB2008/001114 patent/WO2008139292A1/fr active Application Filing
- 2008-05-06 CN CN2008800157299A patent/CN101679769B/zh not_active Expired - Fee Related
- 2008-05-06 RU RU2009145945/02A patent/RU2475510C2/ru active
- 2008-05-06 US US12/451,132 patent/US8080595B2/en not_active Expired - Fee Related
- 2008-05-06 MX MX2009011990A patent/MX2009011990A/es unknown
- 2008-05-06 EP EP08737593A patent/EP2195388B1/fr active Active
- 2008-05-06 CA CA2685556A patent/CA2685556C/fr not_active Expired - Fee Related
- 2008-05-08 CL CL2008001349A patent/CL2008001349A1/es unknown
Patent Citations (8)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
GB841127A (en) | 1957-05-31 | 1960-07-13 | Dow Chemical Co | Inverse emulsion polymerisation of water-soluble monomers |
JPS5353598A (en) | 1976-10-25 | 1978-05-16 | Maruo Calcium | Process for producing painting calcium carbonate |
CA2081831A1 (fr) | 1991-11-04 | 1993-05-05 | Randy J. Griffard | Procede de stabilisation de carbonate de calcium precipite |
WO1993011183A1 (fr) | 1991-12-03 | 1993-06-10 | Rohm And Haas Company | Procede de preparation d'une dispersion aqueuse |
US6136305A (en) | 1994-06-22 | 2000-10-24 | Societe D'exploitation De Produits Pour Les Industries Chimiques, S.E.P.P.I.C. | Topical composition comprising a thickener of acrylic acid-acrylamide water-in-oil emulsion |
WO2005111153A1 (fr) | 2004-05-12 | 2005-11-24 | Alpha Calcit Füllstoff Gesellschaft Mbh | Charges et pigments inorganiques modifies en surface |
WO2006008657A2 (fr) | 2004-07-13 | 2006-01-26 | Omya Development Ag | Procede de fabrication de particules pigmentaires auto-liantes, seches ou en suspension ou dispersion aqueuses, contenant des matieres inorganiques et des liants |
WO2006016036A1 (fr) | 2004-07-13 | 2006-02-16 | Coatex S.A.S. | Procede de broyage de matieres minerales en presence de liants, suspensions aqueuses obtenues et leurs utilisation |
Non-Patent Citations (2)
Title |
---|
"Fluid transport into porous coating structures: some novel findings", TAPPI JOURNAL, vol. 83, no. 5, 2000, pages 77 - 78 |
"Modified caclium carbonate coatings with rapid absorption and extensive liquid update capacity", COLLOIDS AND SURFACES A, vol. 236, no. 1-3, 2003, pages 91 - 102 |
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US8191807B2 (en) | 2009-01-16 | 2012-06-05 | Coatex S.A.S. | Use of acrylic comb polymers with hydrophobic groups as coupling agents in a method for grinding mineral materials with binders |
JP2012515242A (ja) * | 2009-01-16 | 2012-07-05 | オムヤ・デイベロツプメント・アー・ゲー | カップリング剤としての疎水性基を有するアクリル櫛型コポリマーを実現する自己結合性顔料粒子を調製する方法、自己結合性顔料粒子およびこの使用 |
EP2208761A1 (fr) | 2009-01-16 | 2010-07-21 | Omya Development AG | Procédé de préparation de particules de pigment autoliantes impliquant des copolymères acryliques à structure en peigne dotés de groupes hydrophobes en tant qu'agents de couplage, particules de pigment autoliantes et leurs utilisations |
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WO2012130706A1 (fr) | 2011-04-01 | 2012-10-04 | Omya Development Ag | Hybride de pigment auto-liant |
WO2012130702A1 (fr) | 2011-04-01 | 2012-10-04 | Omya Development Ag | Procédé pour la préparation de particules de pigment auto-liantes |
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WO2013030178A1 (fr) | 2011-08-31 | 2013-03-07 | Omya Development Ag | Pigment hybride auto-liant |
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Also Published As
Publication number | Publication date |
---|---|
ATE506418T1 (de) | 2011-05-15 |
CN101679769B (zh) | 2013-09-18 |
CA2685556A1 (fr) | 2008-11-20 |
KR20100018519A (ko) | 2010-02-17 |
EP1990376A1 (fr) | 2008-11-12 |
EP2195388A1 (fr) | 2010-06-16 |
TWI432530B (zh) | 2014-04-01 |
CL2008001349A1 (es) | 2009-05-22 |
US8080595B2 (en) | 2011-12-20 |
US20100120948A1 (en) | 2010-05-13 |
JP5618823B2 (ja) | 2014-11-05 |
DK1990376T3 (da) | 2011-08-08 |
AU2008249749A1 (en) | 2008-11-20 |
TW200906984A (en) | 2009-02-16 |
RU2475510C2 (ru) | 2013-02-20 |
CA2685556C (fr) | 2014-08-12 |
AR067436A1 (es) | 2009-10-14 |
EP2195388B1 (fr) | 2013-01-23 |
KR101512865B1 (ko) | 2015-04-16 |
PT1990376E (pt) | 2011-07-27 |
ES2365551T3 (es) | 2011-10-06 |
EP1990376B1 (fr) | 2011-04-20 |
RU2009145945A (ru) | 2011-06-20 |
CN101679769A (zh) | 2010-03-24 |
JP2010526901A (ja) | 2010-08-05 |
MX2009011990A (es) | 2009-11-19 |
DE602007014018D1 (de) | 2011-06-01 |
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