EP1794232A1 - Composition contenant des particules a noyau et enveloppe et son mode de production - Google Patents

Composition contenant des particules a noyau et enveloppe et son mode de production

Info

Publication number
EP1794232A1
EP1794232A1 EP05786357A EP05786357A EP1794232A1 EP 1794232 A1 EP1794232 A1 EP 1794232A1 EP 05786357 A EP05786357 A EP 05786357A EP 05786357 A EP05786357 A EP 05786357A EP 1794232 A1 EP1794232 A1 EP 1794232A1
Authority
EP
European Patent Office
Prior art keywords
core
resins
shell
radicals
units
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.)
Withdrawn
Application number
EP05786357A
Other languages
German (de)
English (en)
Inventor
Jochen Ebenhoch
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.)
Wacker Chemie AG
Original Assignee
Wacker Chemie AG
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 Wacker Chemie AG filed Critical Wacker Chemie AG
Publication of EP1794232A1 publication Critical patent/EP1794232A1/fr
Withdrawn legal-status Critical Current

Links

Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D151/00—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers
    • C09D151/08—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C09D151/085—Coating compositions based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Coating compositions based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds on to polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F283/00—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G
    • C08F283/12—Macromolecular compounds obtained by polymerising monomers on to polymers provided for in subclass C08G on to polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08F—MACROMOLECULAR COMPOUNDS OBTAINED BY REACTIONS ONLY INVOLVING CARBON-TO-CARBON UNSATURATED BONDS
    • C08F285/00—Macromolecular compounds obtained by polymerising monomers on to preformed graft polymers
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L51/00—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers
    • C08L51/08—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds
    • C08L51/085—Compositions of graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Compositions of derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving unsaturated carbon-to-carbon bonds on to polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09J—ADHESIVES; NON-MECHANICAL ASPECTS OF ADHESIVE PROCESSES IN GENERAL; ADHESIVE PROCESSES NOT PROVIDED FOR ELSEWHERE; USE OF MATERIALS AS ADHESIVES
    • C09J151/00—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers
    • C09J151/08—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds
    • C09J151/085—Adhesives based on graft polymers in which the grafted component is obtained by reactions only involving carbon-to-carbon unsaturated bonds; Adhesives based on derivatives of such polymers grafted on to macromolecular compounds obtained otherwise than by reactions only involving carbon-to-carbon unsaturated bonds on to polysiloxanes
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2666/00—Composition of polymers characterized by a further compound in the blend, being organic macromolecular compounds, natural resins, waxes or and bituminous materials, non-macromolecular organic substances, inorganic substances or characterized by their function in the composition
    • C08L2666/02—Organic macromolecular compounds, natural resins, waxes or and bituminous materials
    • C08L2666/14—Macromolecular compounds according to C08L59/00 - C08L87/00; Derivatives thereof

Definitions

  • the invention relates to a core-shell particle-containing composition and a process for their preparation.
  • EP 0266513 Bl describes modified reaction resins, processes for their preparation and their use. It is limited to compositions which in addition to a reaction resin max. 2-50 wt.% Contain three-dimensionally crosslinked polyorganosiloxane rubbers having particle sizes of 0.01 to 50 microns in amounts of 2-50 wt.%, The properties of the composition described therein in terms of impact resistance and impact strength are insufficient.
  • the object of the invention is to improve the state of the art and to provide a composition with improved properties of impact resistance and impact resistance.
  • the invention relates to a composition
  • a composition comprising (A) core-shell particles of an organopolysiloxane core, which have a crosslinked or uncrosslinked organopolymer shell and optionally a crosslinked or uncrosslinked organopolymer core or mixtures thereof with any other siloxane-containing particles and (B) a reactive resin or a mixture of various reactive resins.
  • the silicone particles are preferably elastomeric particulate copolymers having a core-shell structure composed of a core a) consisting of an organosilicon polymer and an organopolymer shell c) or two shells b) and c), or a shell and an inner core, wherein the inner shell b) consists of an organosilicon polymer, wherein the copolymer is composed of a) 0.05 to 95 wt.%, Based on the total weight of the copolymer, of a core polymer of the general formulas
  • Particulate copolymers consisting of a core a), an inner shell b) and a shell c) are preferably composed of: a) 0.05 to 90% by weight, particularly preferably 0.1 to 35% by weight, based on the total weight of the copolymer
  • R ' is preferably identical or different monovalent alkyl or alkenyl radicals having 1 to 18 C atoms, preferably 1 to 6 C atoms, aryl radicals or substituted hydrocarbon radicals.
  • the radicals R ' are preferably alkyl radicals, such as the methyl, ethyl, n-propyl, isopropyl, n-butyl, sec-butyl, amyl, hexyl radical; Alkenyl radicals such as the vinyl and allyl radical and butenyl radical; Aryl radicals, such as the phenyl radical; or substituted hydrocarbon radicals.
  • halogenated hydrocarbon radicals such as the chloromethyl, 3-chloropropyl, 3-bromopropyl, 3,3,3-trifluoropropyl and 5,5,5,4,4,3,3-heptafluoropentyl radical, and the chlorophenyl radical rest
  • Mercaptoalkyl radicals such as 2-mercaptoethyl and 3-mercaptopropyl
  • Cyanoalkyl radicals such as the 2-cyanoethyl and 3-cyanopropyl radicals
  • Aminoalkyl radicals such as the 3-aminopropyl radical
  • Acyloxyalkyl radicals such as 3-acryloxypropyl and 3-methacryloxypropyl
  • Hydroxyalkyl radicals such as the hydroxypropyl radical.
  • radicals methyl, ethyl, propyl, phenyl, vinyl, 3-methacryloxypropyl and 3-mercaptopropyl wherein less than 30 mol% of the radicals in the siloxane polymer are vinyl, 3-methacryloxypropyl or 3-mercaptopropyl groups.
  • the organosilicon shell polymer b) preferably consists of dialkylsiloxane units (R'2SiC> 2/2) 'where R' is the
  • monomers for the organic polymer portion c) are preferably acrylic or methacrylic esters of aliphatic alcohols having 1 to 10 carbon atoms, acrylonitrile, styrene, p-methylstyrene, ⁇ -methylstyrene, vinyl acetate, vinyl propionate, maleimide, vinyl chloride, ethylene, butadiene, isoprene and chloroprene.
  • Particularly preferred are styrene and acrylic esters and methacrylic acid esters of aliphatic alcohols having 1 to 4 carbon atoms, for example methyl (meth) acrylate, ethyl (meth) acrylate or butyl (meth) acrylate. Both homopolymers and copolymers of said monomers are suitable as the organic polymer fraction.
  • the finely divided elastomeric graft copolymers have an average particle size (diameter) of 10 to 400 nm, preferably from 30 to 350 nm, measured by the transmission electron microscope.
  • the particle size distribution is very uniform, the graft copolymers are monomodal, that is, the particles have a maximum in the
  • the core shell particles are preferably prepared according to EP 492 376 A2 (Wacker-Chemie GmbH) and examples thereof.
  • the core shell particles are in the composition of the invention in amounts of from 5 to 95 wt.% Based on the Total weight of the composition, preferably 10 to 90 wt.%, Particularly preferably 20 to 60 wt.%.
  • the total content of all particles in the composition is 5 to 95% by weight, based on the total weight of the
  • Composition preferably 5 to 90 wt.% And particularly preferably 10 to 80 wt.%.
  • compositions of the invention may contain one or more types of different core shell particles as described above, differing in size or construction. Preferably, the compositions contain max. 3 different types of core shell particles.
  • mixtures with any other siloxane-containing particles are to be understood as those which, in addition to the core shell particles described above, also contain one or more types of organopolysiloxane particles, as described, for example, in EP 744 432 A.
  • compositions contain max. 1 type of organopolysiloxane particles, as described above, and optionally particles as described in EP 0 266 513 Bl.
  • composition according to the invention wherein the core-shell particles, a core and optionally an inner core and a shell around the core and the silicone content of the core-shell particles between preferably 5 and 95 wt.%, Preferably 10 to 90 wt.%, Particularly preferably 20 to 90% by weight.
  • Particularly preferred core-shell particles contain a core of at least 20% by weight of a crosslinked silicone core and a
  • organopolymers are polymers based on poly (alkyl) (meth) acrylates and their copolymers with other monomer building blocks.
  • compositions may contain from 0.1% by weight to 99.9% by weight of core-shell particles, preferably between 5.0% by weight and 60% by weight and more preferably between 10.0% by weight and 50% wt.%.
  • the core-shell particles have an average diameter of preferably 5 to 400 nm, preferably 50 to 400 nm, particularly preferably 80 to 350 nm.
  • composition according to the invention is the
  • R is hydrogen or identical or different monovalent SiC-bonded, optionally substituted C] _ to C ⁇ 8 ⁇ hydrocarbon radicals.
  • unsubstituted radicals R are alkyl radicals, such as the methyl, ethyl, n-propyl, iso-propyl, n-butyl, iso-butyl, tert-butyl, n-pentyl, iso-pentyl -, neo-pentyl, tert-pentyl radical, hexyl radicals, such as the n-hexyl radical, heptyl radicals, such as the n-heptyl radical, octyl radicals, such as the n-octyl radical and iso-
  • Octyl radicals such as the 2, 2, 4-trimethylpentyl radical, nonyl radicals, such as the n-nonyl radical, decyl radicals, such as the n-decyl radical, dodecyl radicals, such as the n-dodecyl radical, octadecyl radicals, such as the n-octadecyl radical; Alkenyl radicals such as the vinyl, allyl, n-5-hexenyl, 4-vinylcyclohexyl and 3-norbornenyl radicals; Cycloalkyl radicals such as cyclopentyl, cyclohexyl, 4-ethylcyclohexyl, cycloheptyl radicals, norbornyl radicals and methylcyclohexyl radicals; Aryl radicals such as the phenyl, biphenylyl, naphthyl, anthryl and phenanthryl radicals; Alka
  • substituted hydrocarbon radicals as radical R are halogenated hydrocarbon radicals, such as the chloromethyl, 3-chloropropyl, 3-bromopropyl, 3, 3, 3-trifluoropropyl and 5, 5, 5, 4, 4, 3, 3-heptafluoropentyl radical and the chlorophenyl, dichlorophenyl and trifluorotolyl radicals;
  • Mercaptoalkyl radicals such as the 2-mercaptoethyl and 3-mercaptopropyl radical; Cyanoalkyl radicals, such as the 2-cyanoethyl and 3-cyanopropyl radicals;
  • Aminoalkyl radicals such as the 3-aminopropyl, N- (2-aminoethyl) -3-aminopropyl and N- (2-aminoethyl) -3-amino- (2-methyl) propyl radical;
  • Aminoaryl radicals such as the aminophenyl radical; quaternary ammonium radicals;
  • the radical R is preferably unsubstituted and substituted C 1 -C 4 -alkyl radicals, hydrogen and the
  • Phenyl in particular the methyl, phenyl, vinyl, allyl, methacryloxypropyl, 3-chloropropyl, 3-mercaptopropyl, 3-aminopropyl and the (2-aminoethyl) -3-aminopropyl radical, hydrogen and quaternary ammonium radicals and the
  • Suitable reaction resins according to the invention are all polymeric or oligomeric organic compounds which are provided with a sufficient number of suitable reactive groups for a curing reaction. It is irrelevant for the purpose of the invention, which crosslinking or
  • starting materials for the preparation of the modified reaction resins according to the invention are generally suitable all reactive resins that can be processed into thermosets, regardless of the particular crosslinking mechanism that takes place in the curing of the respective reaction resin.
  • reaction resins which can be used as starting materials can be divided into three groups according to the type of crosslinking by addition, condensation or polymerization.
  • Reaction resins are preferably selected from one or more epoxy resins, urethane resins and / or air-drying alkyd resins as the starting material.
  • Epoxy and urethane resins are generally by addition of stoichiometric amounts of a hydroxyl, amino, carboxyl or carboxylic anhydride groups containing Hardener crosslinked, wherein the curing reaction takes place by addition of the oxirane or isocyanate groups of the resin to the corresponding groups of the curing agent.
  • epoxy resins the so-called catalytic hardening by polyaddition of the oxirane groups themselves is also possible.
  • Air-drying alkyd resins crosslink by autoxidation with atmospheric oxygen.
  • addition-curing silicone resins are known, preferably those with the proviso that no further free silanes are included.
  • Examples of the second group of polycondensation-crosslinked reaction resins are condensation products of aldehydes, e.g. Formaldehyde, with amine group-containing aliphatic or aromatic compounds, e.g. Urea or melamine, or with aromatic compounds such as phenol, resorcinol, cresol, xylene, etc., furthermore furan resins, saturated polyester resins and condensation-curing silicone resins. Curing is usually carried out by increasing the temperature with elimination of water, low molecular weight alcohols or other low molecular weight compounds. Preference is given as starting material for the inventively modified
  • Reaction resins one or more phenolic resins, resorcinol resins and / or cresol resins, both resoles and novolacs, urea, formaldehyde and melamine formaldehyde precondensates, furan resins and saturated polyester resins and / or silicone resins selected.
  • From the third group of crosslinked by polymerization reaction resins are one or more homo- or copolymers of acrylic acid and / or methacrylic acid or its esters, further unsaturated polyester resins, vinyl ester resins and / or
  • Maleimide resins are preferred as starting resins for the invention modified reactive resins. These resins have polymerizable double bonds, through the polymerization or copolymerization, the three-dimensional crosslinking is effected.
  • starters serve to form free Radical-capable compounds, for example peroxides, peroxo compounds or azo-containing compounds.
  • thermosetting plastics not only the abovementioned reaction resins, but also all others which are suitable for the production of thermosetting plastics, can be modified in the manner proposed according to the invention and can be obtained according to
  • Phenolic resins or anhydride hardeners can also be considered as reactive resins.
  • epoxy resins such as bisphenol A diglycidyl ether, bisphenol F diglycidyl ether, novolak epoxy resins, epoxy resin containing biphenyl units, aliphatic or cycloaliphatic epoxy resins, such as 3,4-epoxycyclohexylmethyl-3 , 4-epoxycyclohexanecarboxylate. All epoxy resins may deviate more or less from the monomeric structure, depending on the degree of condensation in the preparation.
  • acrylate resins can be used for the compositions according to the invention. Examples of preferred acrylate resins are triethylene glycol dimethacrylate, urethane dimethacrylate, Glycidyl. Also, phenolic resins, urethane resins, silicone resins, the latter preferably those with the proviso that no further free silanes are included.
  • compositions according to the invention can be prepared, for example, by dispersion of isolated core-shell particles in the reactive resin.
  • the reactive resin is introduced and the core-shell particles mixed at temperatures between 20 0 C and 250 0 C, all known dispersing methods can be used.
  • Another object of the invention is a process for preparing a composition according to the invention, wherein in an organic solution of the core-shell particles and optionally further siloxane-containing particles at least one reactive resin is added and the solvent is removed.
  • the solution of the core-shell particles is prepared according to EP 100 32 820.
  • a solution of the core shell particles can also be prepared by preparing a solution of the core shell particles with a solvent.
  • aliphatic or aromatic hydrocarbons such as hexane, styrene, benzene, toluene, xylene, aliphatic or aromatic lactones, lactams, ketones, ketals, acetals, alcohols, thiols, amines, amides, esters, sulfones, but also low molecular weight polyorganosiloxanes, such as Hexamethyldisiloxane, octamethyltrisiloxane or cyclooctamethyltetrasiloxane.
  • toluene xylene
  • butyl acetate ethyl acetate
  • methyl isobutyl ketone methyl ethyl ketone
  • butyl methyl ether hexamethyldisiloxane.
  • Particular preference is also given to mixtures of these compounds.
  • the mixture of solution and resin can be carried out in any order, if several types of core Schalepumblen are present, preferably, the mixing process takes place at least 20 0 C and up to the maximum boiling temperature of the solvent.
  • additional solvent can be added after mixing. This may be advantageous when other interfering components, such as e.g. Water should be expelled.
  • the solvent is removed in one or more stages;
  • the solvent can be removed by membrane filtration, by molecular sieves, by freezing, by washing or extraction, or by drying.
  • the solvent is removed by drying, wherein the drying can take place at low temperatures in vacuo or at elevated temperatures with or without a vacuum.
  • the drying is carried out at higher temperatures, which is also known as distillation.
  • Removal of the solvent may also be carried out by a combination of several different methods which are used sequentially.
  • the solvent is removed by distillation in one or more steps.
  • example 1 500 g of an aqueous dispersion of 100 nm core Schalepellen consisting of a silicone core and a grafted Acrylatcopolymerhülle, and a narrow particle size distribution and a solids content of 30 wt.% Is precipitated with 500 g of a 5% NaCl solution at room temperature.
  • the precipitated core-shell material is pressed and treated for the preparation of an organosol with 850 g of toluene and dissolved for 24 hours at 60 0 C with constant movement.
  • the solution is cooled, filtered and the solids content determined (12.7 wt.%). Thereafter, this solution is mixed with 250 g of a cycloaliphatic epoxy resin and the solvent distilled off at slightly reduced pressure. This gave a flowable, viscous opalescent composition containing 34 wt% core-shell particles.
  • Example Ib As in Example Ia, however, core shell particles having a mean diameter of 380 nm were used. The amount of cycloaliphatic epoxy resin was adjusted to result in a composition containing 10 wt.% Core shell particles in the resin.
  • Example Ia the aqueous dispersion of core-shell particles before precipitation with an aqueous
  • Dispersion mixed with silicone elastomer particles which had a diameter of about 100 nm.
  • the precipitated material contained 40% by weight silicone elastomer particles and 60% by weight core-shell particles. Thereafter, the same procedure was followed as in Example Ia. Instead of 250g epoxy, however, 350g
  • Triethylene glycol dimethacrylate used. A composition was obtained which contained 25% by weight of particles.
  • Example 3 Triethylene glycol dimethacrylate used. A composition was obtained which contained 25% by weight of particles.
  • a composition containing 37% by weight of core shell particles dispersed in the resin mixture A composition containing 37% by weight of core shell particles dispersed in the resin mixture.
  • Example 3 As in Example 3, but a total of 3 aqueous dispersions of core Schalepumblen with a solids content of 25-35 wt.% was used, each having an average particle size of 50 nm, 150nm and 400nm and each separately with the extractant methyl isobutyl ketone were extracted. Each of 24-28% organosols were mixed together and mixed with an aromatic epoxy resin. The solvent was removed by distillation under reduced pressure to give a composition having 30 wt.% Core shell particles in 3 particle populations of different particle size.
  • Example 5 625 g of an organosol of core Schalepumblen having an average particle size of lOOnm and a solids content of 30 wt.%, Dissolved in butyl methyl ether and prepared by the method of Example 3 was at room temperature with 375g of a commercially available composition (Albidur, Fa. Hanse-Chemie ) And a further amount of epoxy resin and stirred for 24 h at 40 0 C until the mixture was homogeneous. Thereafter, the solvent was distilled off at 80 0 C and slightly reduced pressure. This gave a composition with 30 wt.% Particle content and two different particle populations, of which one population had a particle size between 0.3 and 3 microns with a broad particle size distribution.
  • a commercially available composition Albidur, Fa. Hanse-Chemie
  • An aqueous dispersion of core shell particles having an elastomeric silicone core and a grafted acrylate copolymer shell and an inner core of one
  • Example 6 but instead of the solid epoxy resin, a liquid urethane resin was used. One received one
  • a composition containing 22% by weight of core shell particles dispersed in the urethane resin A composition containing 22% by weight of core shell particles dispersed in the urethane resin.
  • Example 6 an aqueous dispersion of functional core Schalepumblen was presented, but still had no Organopolymerhülle, but only an inner core and a particle size of 250nm and a broader particle size distribution, but not precipitated as a solid, but with 700g toluene, 40g methyl methacrylate and 500g of a 10% solution of magnesium sulfate, which also contained some acetic acid. After stirring for 24 hours, the aqueous phase was separated and the organic solution filtered and washed several times with water to remove the detergent from the dispersion. 800 g of an organosol having a solids content of 20% by weight were obtained. The organosol was added with a small amount of a polymerization initiator.

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Polymers & Plastics (AREA)
  • Health & Medical Sciences (AREA)
  • Medicinal Chemistry (AREA)
  • Materials Engineering (AREA)
  • Wood Science & Technology (AREA)
  • Engineering & Computer Science (AREA)
  • Life Sciences & Earth Sciences (AREA)
  • Graft Or Block Polymers (AREA)
  • Compositions Of Macromolecular Compounds (AREA)
  • Silicon Polymers (AREA)

Abstract

L'invention concerne une composition contenant (A) des particules à noyau et enveloppe, d'un noyau d'organopolysiloxane, qui présentent une enveloppe d'organopolymère réticulée ou non réticulée et éventuellement un noyau organopolymère réticulé ou non réticulé ou leurs mélanges avec n'importe quelles autres particules à base de siloxane et (B) une résine réactive ou un mélange de différentes résines réactives.
EP05786357A 2004-09-30 2005-09-29 Composition contenant des particules a noyau et enveloppe et son mode de production Withdrawn EP1794232A1 (fr)

Applications Claiming Priority (2)

Application Number Priority Date Filing Date Title
DE102004047708A DE102004047708A1 (de) 2004-09-30 2004-09-30 Kern-Schalepartikel enthaltende Zusammensetzung und ihre Herstellung
PCT/EP2005/010542 WO2006037559A1 (fr) 2004-09-30 2005-09-29 Composition contenant des particules a noyau et enveloppe et son mode de production

Publications (1)

Publication Number Publication Date
EP1794232A1 true EP1794232A1 (fr) 2007-06-13

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EP05786357A Withdrawn EP1794232A1 (fr) 2004-09-30 2005-09-29 Composition contenant des particules a noyau et enveloppe et son mode de production

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US (1) US20090197989A1 (fr)
EP (1) EP1794232A1 (fr)
DE (1) DE102004047708A1 (fr)
WO (1) WO2006037559A1 (fr)

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