WO2007104713A1 - Effektstoffe enthaltende polymerdispersionen und ihre verwendung - Google Patents
Effektstoffe enthaltende polymerdispersionen und ihre verwendung Download PDFInfo
- Publication number
- WO2007104713A1 WO2007104713A1 PCT/EP2007/052218 EP2007052218W WO2007104713A1 WO 2007104713 A1 WO2007104713 A1 WO 2007104713A1 EP 2007052218 W EP2007052218 W EP 2007052218W WO 2007104713 A1 WO2007104713 A1 WO 2007104713A1
- Authority
- WO
- WIPO (PCT)
- Prior art keywords
- polymer
- core
- aqueous
- particles
- polymers
- Prior art date
Links
Classifications
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/44—Polymerisation in the presence of compounding ingredients, e.g. plasticisers, dyestuffs, fillers
-
- 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
- C08F2/00—Processes of polymerisation
- C08F2/12—Polymerisation in non-solvents
- C08F2/16—Aqueous medium
- C08F2/22—Emulsion polymerisation
-
- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/12—Esters of monohydric alcohols or phenols
- C08F220/14—Methyl esters, e.g. methyl (meth)acrylate
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K5/00—Use of organic ingredients
- C08K5/0008—Organic ingredients according to more than one of the "one dot" groups of C08K5/01 - C08K5/59
- C08K5/005—Stabilisers against oxidation, heat, light, ozone
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
- C08K9/00—Use of pretreated ingredients
- C08K9/08—Ingredients agglomerated by treatment with a binding agent
-
- 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
- C08F220/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and only one being terminated by only one carboxyl radical or a salt, anhydride ester, amide, imide or nitrile thereof
- C08F220/02—Monocarboxylic acids having less than ten carbon atoms; Derivatives thereof
- C08F220/10—Esters
- C08F220/40—Esters of unsaturated alcohols, e.g. allyl (meth)acrylate
-
- 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
- C08F222/00—Copolymers of compounds having one or more unsaturated aliphatic radicals, each having only one carbon-to-carbon double bond, and at least one being terminated by a carboxyl radical and containing at least one other carboxyl radical in the molecule; Salts, anhydrides, esters, amides, imides, or nitriles thereof
- C08F222/10—Esters
- C08F222/1006—Esters of polyhydric alcohols or polyhydric phenols
- C08F222/104—Esters of polyhydric alcohols or polyhydric phenols of tetraalcohols, e.g. pentaerythritol tetra(meth)acrylate
Definitions
- the invention relates to aqueous polymer dispersions whose dispersed particles contain at least one effect substance from the group of UV absorbers, antistatic agents, antioxidants and antifogging agents, have an average particle size of at most 500 nm and which are obtainable by emulsion polymerization of ethylenically unsaturated monomers in the presence of at least one of Effect substances and the use of the polymer dispersions containing polymer blends or the polymer powders obtained therefrom for equipping and / or stabilizing thermoplastic polymers, in particular for stabilizing against the action of UV radiation.
- UV absorber For the protection of materials such as polymers against the action of UV rays, z. B. so-called UV absorber.
- UV absorbers it is necessary to distribute a small amount of the active ingredient in a large amount of a polymer or on a large area of a substance as evenly as possible.
- the UV absorbers are lipophilic and therefore practically insoluble in water. As a rule, less than 5 g / l of the active ingredient dissolve at 23 ° C. and 1013 mbar. However, to apply them according to the desired purpose, they must be in finely divided form. There are different methods for this.
- UV absorbers are incorporated into a polymer by melting it and mixing the melt under the action of shearing forces with a formulation containing the UV absorber.
- a dilute aqueous polymer dispersion for this purpose, the polymers of which contain a UV absorber.
- the dispersions are usually diluted with water to the respective application concentration shortly before use.
- the dispersions always contain a dispersion stabilizer which stabilizes the inherently metastable systems.
- Aqueous polymer dispersions whose dispersed particles contain a UV absorber can be prepared, for example, by two different polymerization processes, namely by the process of emulsion polymerization or miniemulsion polymerization.
- JP-A 7-292009 discloses aqueous polymer dispersions which contain functional substances, in particular UV absorbers or epoxy resins. They are prepared by dissolving the functional substances in an unsaturated monomer, emulsifying this solution in water in the presence of a surface active agent to form a monomer emulsion with average particle sizes between 5 and 500 nm and polymerizing the miniemulsion in the presence of a free-radical initiator.
- the aqueous dispersions containing the functional substances such as UV absorbers, epoxy resins, acrylic-based polymers, phenolic resins, unsaturated polyesters, substances based on phenol and petroleum resins are used as a binder and as an additive for protective film.
- WO 99/40123 discloses a process for the preparation of aqueous polymer dispersions whose dispersed polymer particles are homogeneous, ie. H. distributed molecularly dispersed.
- aqueous dispersions are prepared by miniemulsion polymerization by polymerizing ethylenically unsaturated monomers which contain an organic dye dissolved in the form of an oil-in-water emulsion in the presence of radical-forming polymerization initiators, the disperse phase of the miniemulsion essentially being colored containing monomer droplets with a diameter ⁇ 500 nm is formed.
- monomer mixtures which contain crosslinking monomers are used in the polymerization.
- the polymer dispersions are sedimentation-stable.
- the dispersed particles have a mean particle diameter of 100 to 400 nm. They can be obtained from the aqueous dispersions using conventional drying methods.
- the dye-containing polymer dispersions are used, for example, for pigmenting high molecular weight organic and inorganic materials, for pigmenting printing inks and inks for ink-jet printing.
- UV absorber-containing polymer dispersions by dissolving at least one UV absorber in at least one ethylenically unsaturated monomer and subsequently subjecting the solution to an emulsion polymerization in water comprising a polymerization initiator and contains an emulsifier.
- the polymer particles may be composed of a single polymer or have a core / shell structure, where the UV absorber may be either in the core or in the shell of the polymer particle or both in the core and in the shell.
- the glass transition temperature of the fine-particle polymers is preferably 30 ° C. or below.
- WO 01/10936 discloses particles with a core / shell structure in which the core comprises a polymer having a glass transition temperature T 9 of below 40 ° C. and a polymerized UV absorber.
- the monomer composition which constitutes the core consists essentially of ethyl acrylate, optionally one
- the shell is preferably made of a polymer of ethyl acrylate and / or methyl methacrylate.
- the polymer particles containing a UV absorber are prepared by two-stage emulsion polymerization. They have an average particle diameter of 40 to 200 nm and are used to make UV-absorbing polymer compositions.
- the polymer particles of the polymer powders have a particle size of 500 nm or below. They are prepared by miniemulsion polymerization according to methods known from the above-mentioned WO 99/40123.
- the polymer particles contain 0.5 to 50 wt .-% of at least one UV absorber, which is present either homogeneously distributed in molecular or nanocrystalline form or completely or even partially surrounded by the polymer matrix.
- WO 05/087816 discloses aqueous polymer dispersions containing effect substances having an average particle diameter of the dispersed particles of ⁇ 500 nm, the polymer particles containing a polymer matrix composed of at least one ethylenically unsaturated monomer as the core, on the surface of which at least partially arranged an effect substance which is soluble in the monomers which form the polymer matrix of the particles.
- These polymer dispersions are prepared by emulsifying a solution of an effect substance in at least one ethylenically unsaturated monomer in the presence of at least one surface-active agent in water to give a miniemulsion and polymerizing the monomers in the presence of a free-radical polymerization initiator in such a way that initially only a maximum of 50% of the monomers polymerize. which are in the polymerization zone and wherein the effect substances migrate to the surface of the emulsified particles, and the polymerization only after extensive or complete accumulation of the effect substances on the surface of the resulting polymer particles to an end.
- a customary emulsion polymerization of neutral ethylenically unsaturated monomers takes place in the dispersion obtained by miniemulsion polymerization.
- Suitable effect substances are, for example, UV absorbers, stabilizers for organic polymers, organic dyes, flameproofing agents, alkenylsuccinic anhydrides, alkyldiketenes, active pharmaceutical ingredients, biocides and optical brighteners.
- WO 2006/015791 discloses a process for preparing aqueous active substance compositions of active substances which are sparingly soluble in water.
- the method comprises the following steps: a) providing an aqueous suspension of solid drug particles of at least one active ingredient having a water solubility of not more than 5 g / l at
- the active substance particles in the suspension have an average particle size, determined by dynamic light scattering, of not more than 1200 nm,
- aqueous suspension of the active ingredient b) emulsion polymerization of a first monomer composition M1 in the aqueous suspension of the active ingredient, wherein the monomer composition M1 contains at least 95% by weight, based on its total weight, of at least one neutral, monoethylenically unsaturated monomer M1.1 having a water solubility of not more than 30 g / l at 25 ° C / 1013 mbar to obtain an aqueous dispersion of polymer-drug particles, and
- step b) emulsion polymerization of a second monomer composition M2 in an aqueous dispersion of the polymer active agent particles obtained in step b), wherein the monomer composition M2 at least 60 wt .-%, based on their total weight, of at least one neutral, monoethylenically unsaturated monomer M2.1 having a water solubility of not more than 30 g / l at 25 ° C / 1013 mbar.
- active ingredients are understood to be substances which already cause a physiological reaction in a low concentration in an organism.
- they are active ingredients for crop protection and for the protection of material, for.
- herbicides, fungicides, insecticides, acaricides, nematicides, bactericides, growth regulators and other biocides are examples of herbicides, fungicides, insecticides, acaricides, nematicides, bactericides, growth regulators and other biocides.
- the object of the invention is to provide further dispersions containing water-insoluble effect substances.
- aqueous polymer dispersions whose dispersed particles contain at least one effect substance from the group of UV absorbers, antistatic agents, antioxidants and antifogging agents, have an average particle size of at most 500 nm and which are obtainable by emulsion polymerization of ethylenically unsaturated monomers in the presence of at least one effect substance, when the matrix polymers of the dispersed particles have a glass transition temperature of at least 85 ° C.
- the dispersed polymer particles may be single particles or preferably those having a core / shell structure, and wherein the matrix polymers have a glass transition temperature T 9 of at least 95 ° C and at least one effect substance, preferably a non-polymerizable UV absorber, in the core, in the shell or in the core and in the shell.
- the particles may also contain several shells, for example 2 to 5 shells. Particular preference is given to dispersed polymer particles which have a core / shell structure and contain at least one UV absorber in the polymer matrix of the core.
- the polymer matrix of the dispersed discrete particles of the dispersion and the polymer matrix forming the core of the core / shell polymer particles is preferably crosslinked.
- the crosslinked polymer is preferably from at least one monomer of the group
- the eligible effect substances are usually used in unmodified form as an additive to organic polymers to equip the polymers, for example, antistatic or fogging or to stabilize them against oxidation, exposure to UV rays, heat and / or light.
- stabilizers are commercial products.
- UV absorbers are sold under the trademark Uvinul® by BASF Aktiengesellschaft, Ludwigshafen.
- the suitable UV absorbers have, for example, a water solubility of at most 5 g / l (determined at 25 ° C. and 1013 mbar) and are soluble in the monomers which form polymers having a glass transition temperature of at least 85 ° C.
- UV absorbers are known to UV-absorbing compounds that disable the absorbed radiation without radiation. UV absorbers absorb light of wavelength ⁇ 400 nm and convert it into heat radiation. Such compounds are used for example in sunscreens and for the stabilization of organic polymers. Examples of UV absorbers are derivatives of p-aminobenzoic acid, in particular their esters z.
- a particularly preferred UV absorber is 4-n-octyloxy-2-hydroxybenzophenone. Further examples of UV absorbers are:
- Substituted acrylates such as. As ethyl or isooctyl- ⁇ -cyano-ß, ß-diphenylacrylate
- 2-Hydroxybenzophenone derivatives such as. 4-hydroxy, 4-methoxy, 4-octyloxy, 4-decyloxy, 4-dodecyloxy, 4-benzyloxy, 4, 2 ', 4'-trihydroxy, 2'-hydroxy-4, 4'-dimethoxy-2-hydroxybenzophenone and 4-methoxy-2-hydroxybenzophenone sulfonic acid sodium salt;
- esters of 4,4-diphenylbutadiene-1, 1-dicarboxylic acid such as.
- Benzylidene camphor and its derivatives, as described, for. B. in DE-A 38 36 630 are called, for. 3-benzylidene camphor, 3 (4'-methylbenzylidene) d-1-camphor;
- Dibenzoylmethane such as.
- 4-tert-butyl-4'-methoxydibenzoylmethane 4-tert-butyl-4'-methoxydibenzoylmethane
- 2,4,6-triaryltriazine compounds such as 2,4,6-tris ⁇ N- [4- (2-ethylhex-1-yl) oxycarbonylphenyl] amino ⁇ -1, 3,5-triazine, 4,4 ' - ((6- ((tertiary
- 2- (2-hydroxyphenyl) -1, 3,5-triazines such as. B. 2,4,6-tris (2-hydroxy-4-octyloxyphenyl) -1,3,5-triazine, 2- (2-hydroxy-4-octyloxyphenyl) -4,6-bis (2,4-dimethylphenyl) -1, 3,5-triazine, 2- (2,4-dihydroxyphenyl) -4,6-bis (2,4-dimethylphenyl) -1,3,5-triazine, 2,4-bis (2-hydroxy 4-propyloxyphenyl) -6- (2,4-dimethylphenyl) -1, 3,5-triazine, 2- (2-hydroxy-4-octyloxyphenyl) -4,6-bis (4-methylphenyl) -1,3 , 5-triazine, 2- (2-hydroxy-4-octyloxyphenyl) -4,6-bis (4-methylphenyl) -1,3 , 5-
- UV absorbers can be found in the document Cosmetic Legislation, Vol. 1, Cosmetic Products, European Commission 1999, pp. 64-66, to which reference is hereby made. Suitable UV absorbers are also described in lines 14 to 30 on page 6 of EP-A 1 191 041. Preferably, non-polymerizable UV absorbers are used. However, it is also possible to use UV absorbers which have, for example, an acrylic or methacrylic group. Such UV absorbers can be polymerized. Examples of this can be found in the abovementioned EP-A 875 544, pages 10 to 16, line 47, and WO 01/10936.
- stabilizers and auxiliaries for organic polymers come into consideration as effect substances.
- the stabilizers are compounds that stabilize polymers against degradation upon exposure to oxygen, light or heat. They are also referred to as antioxidants or as UV and light stabilizers, cf. Ullmanns, Encyclopedia of Industrial Chemistry, Vol. 3, 629-650 (ISBN-3-527-30385-5) and EP-A 1 1 10 999, page 2, line 29 to page 38, line 29. With such stabilizers virtually all organic polymers are stabilized, cf. EP-A 1 110 999, page 38, line 30 to page 41, line 35. These references are incorporated by reference into the disclosure of the present invention.
- the stabilizers described in the EP application belong to the class of compounds of pyrazolones, organic phosphites or phosphonites, sterically hindered phenols and sterically hindered amines (stabilizers of the so-called HALS type, see Römpp, 10th edition, volume 5, pages 4206 - 4207).
- auxiliaries for polymers are substances which at least largely prevent the fogging of films and molded parts made of plastics, so-called antifogging agents.
- Commercial stabilizers and adjuvants are sold under the Tinuvin® and Cyasorb® trademarks of Ciba and Tenox® by Eastman Kodak. Stabilizers and auxiliaries are described for example in Plastics Additives Handbook, 5th edition, Hanser Verlag, ISBN 1 -56990-295-X.
- the stabilizers and auxiliaries are soluble in ethylenically unsaturated monomers, with at least 1 g / l, preferably at least 10 g / l, dissolving at a temperature of 25 ° C. and a pressure of 1013 mbar.
- aqueous polymer dispersions whose dispersed particles contain at least one effect substance from the group of UV absorbers, antistatic agents, antioxidants and anti-fogging agents and have an average particle size of at most 500 nm are by emulsion polymerization of ethylenically unsaturated monomers in the presence of at least one UV absorber obtainable by that one
- step (b) subjecting the monomer solution prepared in step (a) to emulsion polymerization in the presence of a dispersion stabilizer.
- the particle size of the dispersed particles is below 500 nm, for example in the range of 50 to 300 nm, preferably 80 to 250 nm. They have a glass transition temperature of at least 85 ° C. According to Fox (TG Fox, Bull. Am. Phys Soc. (Ser. II) 1, 123 [1956] and Ullmann's Encyclopedia of Industrial Chemistry, Weinheim (1980), pp 17-18) applies to the glass transition temperature of not or weakly cross-linked copolymers at high molecular weights in a good approximation
- X 1 , X 2 X n mean the mass fractions of the monomers 1, 2 n and T 9 1 , T 9 2 T g n the glass transition temperatures of each of only one of the monomers 1, 2 n constructed polymers in degrees Kelvin.
- the latter are z.
- the glass transition temperature T 9 is understood to be the midpoint temperature determined by differential thermal analysis (DSC) according to ASTM D 3418-82 (see Ullmann's Encyclopedia of Industrial Chemistry, 5th Edition, Volume A 21, VCH Weinheim 1992, p Zosel, color and paint 82 (1976), pp. 125-134, see also DIN 53765).
- DSC differential thermal analysis
- Polymer particles with core / shell structure are accessible, for example, by
- step (b) subjecting the monomer solution prepared in step (a) to emulsion polymerization in the presence of a dispersion stabilizer and then (C) in the polymer dispersion obtained in step (b), a monomer composition which forms polymers having a glass transition temperature of at least 85 ° C. is subjected to at least one emulsion polymerization in the presence of a dispersion stabilizer.
- the aqueous dispersions thus prepared contain particles having a core / shell structure, wherein only the core contains at least one effect substance from the group of UV absorbers, antistatic agents, antioxidants and antifogging agents, preferably a UV absorber.
- the core contains at least one effect substance from the group of UV absorbers, antistatic agents, antioxidants and antifogging agents, preferably a UV absorber.
- Such aqueous dispersions are accessible by
- step (b) subjecting the monomer solution prepared in step (a) to emulsion polymerization in the presence of a dispersion stabilizer and then
- step (C) in the polymer dispersion obtained in step (b) a monomer composition which forms a polymer matrix having a glass transition temperature of at least 85 ° C, in the presence of a dispersion stabilizer and at least one effect substance of at least one emulsion polymerisation.
- particles consisting of a core and a single shell are obtained. If a plurality of emulsion polymerizations with different monomer compositions is carried out successively, particles having core / shell structures which have a plurality of shells, for example 2, 3, 4 or even 5 shells, are obtained.
- These dispersions may contain particles having a core / shell structure which have the same effect substance in the same or in different concentrations both in the polymer matrix of the core and in the shell or which contain a different effect substance in the polymer matrix of the core than in the shell ,
- Preferably used effect substances are UV absorbers.
- dispersions whose dispersed particles have such a core / shell structure which contains at least one effect substance only in the shell.
- Such dispersions are accessible by that (a) subjecting a monomer composition forming a polymer matrix having a glass transition temperature of at least 85 ° C to emulsion polymerization in the presence of a dispersion stabilizer, and then
- step (B) in the dispersion obtained after step (a), a solution of at least one effect substance from the group of UV absorbers, antistatic agents, antioxidants and anti-fogging agent in a monomer composition forming matrix polymers having a glass transition temperature of at least 85 ° C, in the presence a dispersion stabilizer subjected to at least one emulsion polymerization.
- At least one shell is polymerized thereon by conducting an emulsion polymerization.
- a single emulsion polymerization or successively several emulsion polymerizations, for. B. 2, 3. 4 or 5 Polymerisations Kunststoffe with different monomer compositions or different solutions of effect substances in the monomer make.
- the monomer composition which is subjected to each of the emulsion polymerization is selected such that it results in matrix polymers that have a glass transition temperature of at least 85 ° C, preferably of at least 92 0 C. This requirement applies to both dispersed particles composed of a single monomer composition and particles having a core / shell structure.
- Suitable monomer compositions consist of either a single monomer or mixtures of two or more monomers. For example, they may consist of at least one monomer of group (i). For example, this group includes
- Preferred monomers of group (i) are methyl methacrylate, methyl acrylate, ethyl acrylate, n-propyl acrylate, isopropyl acrylate, n-butyl acrylate, sec-butyl acrylate, isobutyl acrylate, tert-butyl acrylate, 2-ethylhexyl acrylate, ethyl heptyl acrylate, ethyl methacrylate, propyl methacrylates, n-butyl methacrylate, isobutyl methacrylate, tert-butyl methacrylate and 2-ethylhexyl methacrylate.
- Particular preference is given to using, as monomer composition of group (i), methyl methacrylate, styrene and tert-butyl acrylate.
- Preferred aqueous polymer dispersions containing at least one effect substance from the group of UV absorbers, antistatic agents, antioxidants and antifogging agents comprise crosslinked polymer particles.
- Such dispersions can be prepared, for example, by polymerizing at least one monomer of group (i) with at least one crosslinker.
- Crosslinkers are known to be polymerizable compounds containing at least two ethylenically unsaturated double bonds. Examples of crosslinkers can be found in WO 99/40123, page 8, line 22 to page 9, line 39.
- crosslinkers are used which belong to the following group (ii) of the
- crosslinkers sold by Sartomer under the following names: CN435, SR454, SR499, SR502, SR593, SR415, SR9019, SR351M, SR9021, SR9020, SR492, SR368, SR355, SR399, SR494 and SR399 LV.
- allyl acrylate allyl methacrylate, pentaerythritol triacrylate, pentaerythritol tetraacrylate, pentaerythritol trimethacrylate, pentaerythritol tetramethacrylate, trimethylolpropane triacylate and / or trimethylolpropane trimethacrylate.
- the polymers may be modified by employing another group (iii) of monomers in the polymerization.
- This group of monomers are, for example, monoethylenically unsaturated monomers other than the monomers of group (i), such as vinyl acetate, vinyl propionate, N-vinylformamide, acrylamide, methacrylamide, N-vinylimidazole, acrylic acid, methacrylic acid , Maleic acid, crotonic acid, itaconic acid, acrylamidomethylpropanesulfonic acid, vinylsulfonic acid, N-vinylpyrrolidone, N-vinylcaprolactam, glycidyl methacrylate, N-methylolacrylamide, 2-hydroxyethyl acrylate, 3-hydroxypropyl acrylate, 4-hydroxybutyl acrylate, 2-dimethyminoethyl acrylate as free base, as salt or in quaternized form , Dimethy aminoethyl methacryl
- the amounts of monomers of group (iii) in the monomer composition are adjusted so that dispersions arise and that the glass transition temperature of the resulting polymer matrix is at least 85 ° C.
- the polymerization of the monomers takes place by the method of emulsion polymerization, i. the monomers to be polymerized are present in the polymerization mixture as an aqueous emulsion which is stabilized with at least one dispersion stabilizer (emulsifier).
- the monomers can be added in bulk or in the form of a solution containing the effect substance, preferably a UV absorber.
- the monomers can be initially charged in the reactor prior to the start of the polymerization or added under polymerization conditions in one or more portions or continuously, and always - as usual in emulsion polymerization - a dispersion stabilizer must be present.
- crosslinked polymers are prepared, it is possible to proceed, for example, by metering at least one crosslinker continuously into the reaction zone, either separately from the other monomers or in mixture with the other monomers. Another variant is to gradually add the crosslinker to the reaction zone.
- the monomers are preferably used in an amount such that the weight ratio of effect substance to monomers is in the range from 10: 1 to 1:50, in particular from 5: 1 to 1:30 and particularly preferably in the range from 2: 1 to 1:20.
- the starters which are suitable for the emulsion polymerization are, in principle, all polymerization initiators which are suitable and usually used for emulsion polymerization and which initiate a free-radical polymerization of ethylenically unsaturated monomers.
- azo compounds such as 2,2'-azobisisobutyronitrile, 2,2'-azobis (2-methylbutyronitrile), 2,2'-azobis [2-methyl-N - (2-hydroxyethyl) propionamide, 1,1 'Azobis (1-cyclohexanecarbonitrile), 2,2'-azobis (2,4-dimethylvaleronitrile), 2,2'-azobis (N, N'-dimethyleneisobutyroamidine) dihydrochloride, and 2,2'-azobis (2-amidinopropane ) dihydrochloride, organic or inorganic peroxides such as diacetyl peroxide, di-tert-butyl peroxide, diamyl peroxide, dioctanoyl peroxide, didecanoyl peroxide, dilauroyl peroxide, dibenzoyl peroxide, bis (o-toluyl) peroxide, succiny
- a redox initiator system for the polymerization, preference is given to using a redox initiator system, in particular a redox initiator system which contains as the oxidizing agent a salt of peroxodisulfuric acid, hydrogen peroxide or an organic peroxide such as tert-butyl hydroperoxide.
- the redox initiator systems preferably contain a sulfur compound, which is especially selected from sodium hydrogen sulfite, sodium hydroxymethanesulfinate and the bisulfite adduct of acetone.
- sulfur compound which is especially selected from sodium hydrogen sulfite, sodium hydroxymethanesulfinate and the bisulfite adduct of acetone.
- suitable reducing agents are phosphorus-containing compounds such as phosphorous acid, hypophosphites and phosphinates, as well as hydrazine or hydrazine hydrate and ascorbic acid.
- redox initiator systems may contain an addition of small amounts of redox metal salts, such as iron salts, vanadium salts, copper salts, chromium salts or manganese salts, for example the redox initiator system ascorbic acid / iron (II) sulfate / sodium peroxodisulfate.
- redox metal salts such as iron salts, vanadium salts, copper salts, chromium salts or manganese salts, for example the redox initiator system ascorbic acid / iron (II) sulfate / sodium peroxodisulfate.
- Particularly preferred redox initiator systems are acetone bisulfite adduct / organic hydroperoxide such as tert-butyl hydroperoxide, sodium disulfite (Na 2 SO 2) / organic hydroperoxide such as tert-butyl hydroperoxide, sodium hydroxymethanesulfinate / organic hydroperoxide such as tert-butyl hydroperoxide and ascorbic acid / hydrogen peroxide.
- organic hydroperoxide such as tert-butyl hydroperoxide, sodium disulfite (Na 2 SO 2) / organic hydroperoxide such as tert-butyl hydroperoxide, sodium hydroxymethanesulfinate / organic hydroperoxide such as tert-butyl hydroperoxide and ascorbic acid / hydrogen peroxide.
- the initiator is usually employed in an amount of 0.02 to 2% by weight and in particular 0.05 to 1.5% by weight, based on the amount of the monomers.
- the optimum amount of initiator naturally depends on the initiator system used and can be determined by the person skilled in the art in routine experiments.
- the initiator may be partially or completely charged in the reaction vessel. Most of the amount of initiator is initially charged together with part of the monomer emulsion, and the remaining initiator is added continuously or in portions together with the monomers but separately therefrom.
- the temperature naturally depends on the initiator system used.
- the optimum polymerization temperature can be determined by a person skilled in the art with the aid of routine experiments.
- the polymerization temperature is in the range of 0 to 110 0 C, often in the range of 30 to 95 ° C.
- the polymerization is usually carried out at normal pressure or ambient pressure. But it can also at elevated pressure, z. B. to 10 bar or at reduced pressure z. B. at 20 to 900 mbar, but usually be carried out at> 800 mbar.
- the polymerization time is preferably 1 to 300 minutes, in particular 2 to 90 minutes and particularly preferably 3 to 60 minutes, whereby longer or shorter polymerization times are possible.
- Suitable surface-active substances are, in addition to nonionic surface-active substances, in particular anionic emulsifiers, for. B. alkyl sulfates, alkyl sulfonates, alkylarylsulfonates, Al kylethersulfate, alkylaryl ether sulfates, sulfosuccinates such as sulfosuccinic monoesters and sulfosuccinic and alkyl ether and further cationic emulsifiers.
- nonionic surfactants are ethoxylated mono-, di- and tri-alkylphenols (degree of ethoxylation: 3 to 50, alkyl radical: C3-C12) and ethoxylated fatty alcohols (degree of ethoxylation: 3 to 80, alkyl radical: C8-C36).
- Examples include the brands LutensoFder BASF AG or the brands Triton ® Union Carbide. Particularly preferred are ethoxylated linear fatty alcohols of the general formula
- x are integers in the range of 10 to 24, preferably in the range of 12 to 20.
- the variable y preferably stands for integers in the range from 5 to 50, more preferably 8 to 40.
- Ethoxylated linear fatty alcohols are usually present as a mixture of different ethoxylated fatty alcohols with different degrees of ethoxylation.
- the variable y in the context of the present invention stands for the mean value (number average).
- Suitable nonionic surface-active substances are also copolymers, in particular block copolymers of ethylene oxide and at least one C3-Cio-alkylene oxide, for. B. triblock copolymers of the formula
- A is a radical derived from an aliphatic, cycloaliphatic or aromatic diol, e.g.
- B and B ' are independently propane-1, 2-diyl, butane-1, 2-diyl or phenethylethany4 independently of one another from 2 to 100 and Y 2, Y 3 independently of one another is a number from 2 to 100, the sum y1 + y2 + y3 + y4 preferably being in the range from 20 to 400, which corresponds to a number-average molecular weight in the range from 1000 to 20,000.
- A is ethane-1, 2-diyl, propane-1, 3-
- Suitable surface-active substances besides the nonionic surfactants are anionic and cationic surfactants. They can be used alone or as a mixture. The prerequisite for this, however, is that they are compatible with each other. This requirement applies, for example, to mixtures of and mixtures of nonionic and anionic surfactants and mixtures of nonionic and cationic surfactants.
- suitable surfactants are sodium lauryl sulfate, sodium dodecylsulfate, sodium hexadecylsulfate and sodium dioctylsulfosuccinate.
- cationic surfactants are long-chain ammonium compounds.
- dispersion stabilizer condensates of naphthalenesulfonic acid and formaldehyde, amphiphilic polymers or nanoparticles of water-insoluble organic polymers or water-insoluble inorganic compounds (Pickering effect).
- Stabilizers of this type are z.
- nanoscale silica and alumina or synthetic organic nanoparticles such as crosslinked polyacrylic acid having a particle size of, for example, 10 to 300 nm.
- Amphiphilic polymers having an average molecular weight M w of, for example, 1000 to 100 000 can also be used as a dispersion stabilizer.
- Examples of amphiphilic polymers are copolymers comprising units of
- (a) are, for example, styrene, methylstyrene, ethylstyrene, acrylonitrile, methacrylonitrile, C2 to Cis olefins, esters of monoethylenically unsaturated C3 to C5 carboxylic acids and monohydric alcohols, vinyl alkyl ethers, vinyl esters or mixtures thereof. From this group of monomers is preferably used
- Isobutene, diisobutene, styrene and acrylic esters such as ethyl acrylate, isopropyl acrylate, n-butyl acrylate and sec-butyl acrylate.
- amphiphilic copolymers contain as hydrophilic monomers
- the acidic monomers may be in the form of the free acids or in partially or completely neutralized form.
- Other suitable hydrophilic monomers are basic monomers. They can be polymerized with the hydrophobic monomers (a) alone or in admixture with the acidic monomers mentioned above. When mixtures of basic and acidic monomers are used, amphoteric copolymers are formed, which are anionically or cationically charged, depending on the molar ratio of the copolymerized acidic to basic monomers.
- Basic monomers are, for example, di-C 1 to C 2 -alkylamino-C 2 to C 4 -alkyl (meth) acrylates or diallyldimethylammonium chloride.
- the basic monomers may be in the form of the free bases, the salts with organic or inorganic acids or in the form quaternized with alkyl halides.
- the salt formation or the quaternization, at which the basic monomers become cationic, can be partial or complete.
- Examples of such compounds are dimethylaminoethyl methacrylate, diethylaminoethyl methacrylate, dimethylaminoethyl acrylate, diethylaminoethyl acrylate, dimethylaminopropyl methacrylate, dimethylaminopropyl acrylate, diethylaminopropyl methacrylate, diethylaminopropyl acrylate and / or dimethylaminoethylacrylamide, dimethylaminoethylmethacrylamide, dimethylaminopropylacrylamide, dimethylaminopropylmethacrylamide and / or diallyldimethylammonium chloride.
- amphiphilic copolymers in the form of the free acid are not sufficiently soluble in water, they are used in the form of water-soluble salts, for. B. using the corresponding alkali metal, alkaline earth metal and ammonium salts.
- These salts are prepared, for example, by partial or complete neutralization of the free acid groups of the amphiphilic copolymers with bases, e.g. For example, sodium hydroxide solution, potassium hydroxide solution, magnesium oxide, ammonia or amines such as triethanolamine, ethanolamine, morpholine, triethylamine or butylamine are used for neutralization.
- bases e.g.
- bases e.g.
- the acid groups of the amphiphilic copolymers are neutralized with ammonia or sodium hydroxide solution.
- the solubility in water of basic monomers or of copolymers which comprise such monomers in copolymerized form can, on the contrary, be increased by partial or complete neutralization with a mineral acid such as hydrochloric acid or sulfuric acid or by addition of an organic acid such as acetic acid or p-toluenesulphonic acid.
- the molecular weight of the amphiphilic copolymers is, for example, from 1000 to 100,000 and is preferably in the range from 1500 to 10,000.
- the acid numbers of the amphiphilic copolymers are, for example, from 50 to 500, preferably from 150 to 350, mg KOH / g of polymer.
- Copolymers are particularly preferably used as dispersion stabilizer, the
- the copolymers may contain polymerized units of maleic monoesters as further monomers (c).
- Such copolymers are obtainable, for example, by copolymerizing copolymers of styrene, diisobutene or isobutene or mixtures thereof with maleic anhydride in the absence of water and reacting the copolymers with alcohols after the polymerization, with from 5 to 50 per mole of anhydride groups in the copolymer Mol% of a monohydric alcohol.
- Suitable alcohols are, for example, methanol, ethanol, n-propanol, isopropanol, n-butanol, isobutanol and tert-butanol.
- polyhydric alcohols such as glycol or glycerol.
- the reaction is carried out only to the extent that only one OH group of the polyhydric alcohol reacts with the anhydride group. If the anhydride groups of the copolymers are not completely reacted with alcohols, the ring opening of the anhydride groups not reacted with alcohols is effected by addition of water.
- Suitable dispersion stabilizers are, for example, commercially available polymers of monoethylenically unsaturated acids and also graft polymers of N-vinylformamide on polyalkylene glycols, which are described, for example, in WO-A-96/34903.
- the grafted vinylformamide units may optionally be hydrolyzed.
- the proportion of grafted vinylformamide units is preferably 20 to 40 wt .-%, based on polyalkylene glycol.
- Polyethylene glycols having molecular weights of 2,000 to 10,000 are preferably used.
- dispersion stabilizer zwitterionic polyalkylenepolyamines and zwitterionic polyethyleneimines into consideration.
- Such compounds are known for example from EP-B 1 12 592. They are obtainable, for example, by first alkoxylating a polyalkylene polyamine or polyethyleneimine, eg. With ethylene oxide, propylene oxide and / or butylene oxide and the alkoxylation products are then quaternized, for. B. with methyl bromide or dimethyl sulfate and the quaternized, alkoxylated products then sulfated with chlorosulfonic acid or sulfur trioxide.
- the molar mass of the zwitterionic polyalkylenepolyamines is, for example, 1000 to 9000, preferably 1500 to 7500.
- the zwitterionic polyethyleneimines preferably have molecular weights in the range from 1500 to 7500 daltons.
- Further suitable dispersion stabilizers are protective colloids. They generally have average molecular weights M w of above 500, preferably of more than 1000.
- protective colloids are polyvinyl alcohols, cellulose derivatives such as carboxymethyl cellulose, polyvinylpyrrolidone, polyethylene glycols, graft polymers of vinyl acetate and / or vinyl propionate on polyethylene glycols, with one or both sides Alkyl, carboxyl or amino groups end-capped polyethylene glycols, polydiallyldimethylammonium chlorides and / or polysaccharides such as in particular water-soluble starches, starch derivatives and proteins.
- Such products are described for example in Römpp, Chemie Lexikon 9th Edition, Volume 5, page 3569 or in Houben-Weyl, Methods of Organic Chemistry, 4th Edition, Volume 14/2 Chapter IV conversion of cellulose and starch by E. Husemann and R. Werner, pages 862-915 and in Ullmann's Encyclopedia for Industrial Chemistry, 6th edition, volume 28, pages 533 ff under polysaccharides.
- Suitable examples are all types of water-soluble starch, eg.
- water-soluble starch eg.
- Other suitable protective colloids are dextrins and crosslinked water-soluble starches which are water-swellable.
- the average molecular weight M w of the degraded starches is, for example, 500 to 100,000, preferably 1,000 to 30,000.
- the degraded starches have, for example, an intrinsic viscosity [ ⁇ ] of 0.04 to 0.5 dl / g.
- Such starches are described, for example, in EP-B-257 412 and EP-B 276 770.
- protective colloids are used in the polymerization, the amounts used are, for example, from 0.5 to 50, in particular from 5 to 40, preferably from 10 to 30,% by weight, based on the monomers used in the polymerization.
- aqueous polymer dispersion containing at least one effect substance is obtained, the effect substances being at least partially enveloped by the water-insoluble polymer formed from the monomers. It is observed no measurable or very low levels of agglomerates, which usually account for less than 2 wt .-%, preferably less than 0.2 wt .-%, based on the solids contained in the dispersion.
- aqueous polymer dispersions which contain at least one effect substance, preferably one type of UV absorber, in a further process step to an additional emulsion polymerization in order to vary the properties of the polymer particles .
- These particles may contain a single shell or, if the emulsion polymerization is repeated with another composition of the monomers or effect substances, also several shells, e.g. B. 2, 3, 4 or even 5 different shells.
- the polymer matrix of the shell of such structures may be uncrosslinked or preferably crosslinked.
- the weight ratio of polymer in the core to polymer in the shell is 5: 1 to 1: 5, preferably 2: 1 to 1: 2.
- polymer powders containing effect substances can be obtained by evaporating the volatile constituents of an aqueous polymer dispersion containing effect substances.
- such powders are prepared from the described dispersions by spray drying.
- the polymer dispersions containing effect substances or the polymer powders obtained therefrom are used for equipping and / or stabilizing polymers, in particular against the action of UV radiation. They are incorporated, for example, in thermoplastic polymers such as polyethylene, polypropylene, polyamide, polyacrylonitrile, polycarbonate, polyvinyl chloride or polyester. For example, it requires amounts of polymers containing effect substances, preferably polymers containing UV absorbers, of from 0.1 to 3, preferably from 0.5 to 2,% by weight, based on the polymer to be finished.
- thermoplastic polymer In order to stabilize a thermoplastic polymer against UV exposure, it is possible, for example, to melt the polymer first in an extruder, then to prepare a powder containing UV absorbers prepared according to the invention in the polymer melt at a temperature of 180 to 200 ° C. incorporated and from this produces a granulate from which films are then prepared by known methods, which are stabilized against the action of UV radiation.
- the particle sizes were measured with a Coulter N4 Plus laser diffraction instrument or alternatively with a Coulter 230 LS. It was generally measured in 0.01% by weight aqueous preparations.
- the glass transition temperature T 9 was determined by differential thermal analysis (DSC) in accordance with ASTM D 3418-82.
- feed 2 After completion of feed 1 polymerized for 30 min after. Now dosed a mixture of 175 g of deionized water, 0.9 g Dowfax® 2A1, 92.88 g of methyl methacrylate and 54 g of 4-n-octyloxy-2-hydroxy-benzophenone (Uvinul 3008) (feed 2), which in the monomer was dissolved in 1 h.
- the reaction mixture was then allowed to cool to room temperature and the dispersion filtered through a 500 ⁇ m and then through a 125 ⁇ m filter to remove the coagulum.
- the amount of coagulum separated was 5.5 g.
- the dispersion had a solids content of 28.1% and contained 333 ppm of residual monomer (methylene chloride). methacrylate).
- the average particle size was 173 nm.
- the polymer had a glass transition temperature T 9 of 93 ° C.
- Spray-drying of the aqueous dispersion gave a loose white powder, from which a Debye-Scherrer powder diagram was taken. The uptake clearly showed that the UV absorber in the polymeric matrix was amorphous and not crystalline.
- the reaction mixture was then allowed to cool to room temperature and the dispersion was filtered through a 500 ⁇ m filter and then through a 125 ⁇ m filter to remove coagulum.
- the amount of coagulum separated was 3.2 g and 0.7 g, respectively, and the solids content was determined to be 30.4%.
- the mean particle size was 219 nm.
- the polymer had a glass transition temperature T 9 of 92 ° C.
- reaction mixture was allowed to cool to room temperature and the dispersion was filtered through a 500 ⁇ m and then through a 125 ⁇ m filter to remove the coagulum.
- the amount of coagulum separated was 4.1 g (500 ⁇ m filter) and 9 g (125 ⁇ m filter).
- the solids content of the dispersion was 28.3%.
- the mean particle size was 288 nm.
- the following table shows the change with time of the particle size and the solids content during the preparation of the dispersion.
- the remainder of feed 2 was also metered in over a period of 3.5 hours.
- the reaction mixture was stirred for a further 30 minutes.
- the mixture was then allowed to cool to room temperature and the dispersion first filtered through a 500 ⁇ m and then through a 125 ⁇ m filter to remove the coagulum.
- the Amount of the separated coagulum was 1 g and 18 g (125 ⁇ m filter); the solids content of the dispersion was determined to be 27.2%.
- the mean particle size of the dispersed particles was 303 nm.
Landscapes
- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Polymerisation Methods In General (AREA)
- Paints Or Removers (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
JP2008558790A JP2009530429A (ja) | 2006-03-16 | 2007-03-09 | 作用物質を含有するポリマー分散液及びその使用 |
US12/281,154 US20090318617A1 (en) | 2006-03-16 | 2007-03-09 | Polymer dispersions comprising effect substances and use thereof |
EP07726740A EP1999163A1 (de) | 2006-03-16 | 2007-03-09 | Effektstoffe enthaltende polymerdispersionen und ihre verwendung |
MX2008011256A MX2008011256A (es) | 2006-03-16 | 2007-03-09 | Dispersiones polimericas que comprenden sustancias de efecto y uso de las mismas. |
BRPI0709399-3A BRPI0709399A2 (pt) | 2006-03-16 | 2007-03-09 | dispersões poliméricas aquosas, pó de polìmero, e, uso de pó de polìmero |
IL193541A IL193541A0 (en) | 2006-03-16 | 2008-08-19 | Polymer dispersions comprising effect substances and use thereof |
Applications Claiming Priority (2)
Application Number | Priority Date | Filing Date | Title |
---|---|---|---|
EP06111242.1 | 2006-03-16 | ||
EP06111242 | 2006-03-16 |
Publications (1)
Publication Number | Publication Date |
---|---|
WO2007104713A1 true WO2007104713A1 (de) | 2007-09-20 |
Family
ID=37986745
Family Applications (1)
Application Number | Title | Priority Date | Filing Date |
---|---|---|---|
PCT/EP2007/052218 WO2007104713A1 (de) | 2006-03-16 | 2007-03-09 | Effektstoffe enthaltende polymerdispersionen und ihre verwendung |
Country Status (8)
Country | Link |
---|---|
US (1) | US20090318617A1 (de) |
EP (1) | EP1999163A1 (de) |
JP (1) | JP2009530429A (de) |
CN (1) | CN101400705A (de) |
BR (1) | BRPI0709399A2 (de) |
IL (1) | IL193541A0 (de) |
MX (1) | MX2008011256A (de) |
WO (1) | WO2007104713A1 (de) |
Cited By (4)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010058087A1 (en) * | 2008-11-24 | 2010-05-27 | Kemira Oyj | Polymer composition |
WO2010072768A1 (de) * | 2008-12-23 | 2010-07-01 | Basf Se | Uv-absorber agglomerate |
WO2011012631A1 (en) | 2009-07-29 | 2011-02-03 | Basf Se | Encapsulated phenolic antioxidants |
WO2011042495A2 (de) | 2009-10-07 | 2011-04-14 | Basf Se | Verwendung von insektizid-haltigen polymerpartikeln zur verbesserung der bodenbeweglichkeit von insektiziden, insektizidformulierungen, insektizid-haltige polymerpartikel und verfahren zur schädlingsbekämpfung |
Families Citing this family (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
DE102004012576A1 (de) * | 2004-03-12 | 2005-09-29 | Basf Ag | Effektstoffe enthaltende wässrige Polymerdispersionen, Verfahren zu ihrer Herstellung und ihre Verwendung |
DE102006015517B4 (de) * | 2006-03-31 | 2012-04-19 | Sasol Wax Gmbh | Verwendung von nano-partikulären Wachsdispersionen, Verfahren zu deren Herstellung und Verfahren zur Hydrophobierung von Werkstoffen mit diesen |
BR112013021510B1 (pt) * | 2011-02-28 | 2020-09-24 | Basf Se | Processo para a produção de composições de revestimento em pó, e, uso de um pó de polímero |
BR112013020877B1 (pt) * | 2011-02-28 | 2020-06-02 | Basf Se | Processo para produzir composições de revestimento pulverulentas |
US11945967B2 (en) * | 2020-07-02 | 2024-04-02 | Behr Process Corporation | Dirt pick up resistant latex resin |
US20230365761A1 (en) * | 2020-09-11 | 2023-11-16 | Osaka Gas Chemicals Co., Ltd. | Additive for resin kneading |
Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07316242A (ja) * | 1994-05-20 | 1995-12-05 | Taisei Kako Kk | 機能性を有するコア−シェル型マイクロエマルジョン |
US5856379A (en) * | 1996-01-16 | 1999-01-05 | Fuji Photo Film Co., Ltd. | Aqueous dispersion of core/shell-type composite particles with colloidal silica as the cores and with organic polymer as the shells and production method thereof |
US6352764B1 (en) * | 1999-08-09 | 2002-03-05 | 3M Innovative Properties Company | Multi-layer articles including UV-absorbing polymeric compositions |
WO2002024757A2 (en) * | 2000-09-21 | 2002-03-28 | Rohm And Haas Company | High acid aqueous nanocomposite dispersions |
WO2005087816A1 (de) * | 2004-03-12 | 2005-09-22 | Basf Aktiengesellschaft | Effektstoffe enthaltende wässrige polymerdispersionen, verfahren zu ihrer herstellung und ihre verwendung |
WO2006015791A2 (de) * | 2004-08-04 | 2006-02-16 | Basf Aktiengesellschaft | Verfahren zur herstellung wässriger wirkstoffzusammensetzungen von in wasser schwer löslichen wirkstoffen |
Family Cites Families (11)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
EP0080225B1 (de) * | 1981-11-23 | 1985-08-07 | Agfa-Gevaert N.V. | Verfahren zur Herstellung stabiler, wässriger Polymerperlendispersionen und Verwendung dieser Dispersionen in photographischen Elementen |
DE3473291D1 (en) * | 1983-12-13 | 1988-09-15 | Mitsubishi Rayon Co | Methacrylic resin composition |
US5629365A (en) * | 1992-06-23 | 1997-05-13 | Monsanto Company | UV-absorbing polymer latex |
JP3461026B2 (ja) * | 1994-04-22 | 2003-10-27 | 大日本インキ化学工業株式会社 | 樹脂水性分散液の製造方法 |
US5747585A (en) * | 1995-02-17 | 1998-05-05 | Eastman Kodak Company | Process for synthesizing latex polymers from solid monomer particles |
DE19805121A1 (de) * | 1998-02-09 | 1999-08-12 | Basf Ag | Verfahren zur Herstellung farbstoffenthaltender, wässriger Polymerisatdispersionen |
IT1301847B1 (it) * | 1998-07-23 | 2000-07-07 | Atochem Elf Sa | Processo di polimerizzazione in sospensione di monomeri acrilici |
US6660801B1 (en) * | 2000-04-20 | 2003-12-09 | Rohm And Haas Company | Coating composition with improved adhesion to friable surface |
US7135209B2 (en) * | 2001-06-08 | 2006-11-14 | Basf Aktiengesellschaft | Water soluble radiation activatable polymer resins |
DE10254548A1 (de) * | 2002-11-21 | 2004-06-17 | Basf Ag | Verwendung UV-Absorber enthaltender Polymerpulver zur Stabilisierung von Polymeren gegen die Einwirkung von UV-Strahlung |
DE102005040315A1 (de) * | 2005-08-24 | 2007-03-01 | Bayer Materialscience Ag | Lichtstreuende antistatische Kunststoffzusammensetzung mit hoher Helligkeit und deren Verwendung in Flachbildschirmen |
-
2007
- 2007-03-09 EP EP07726740A patent/EP1999163A1/de not_active Withdrawn
- 2007-03-09 CN CNA2007800091263A patent/CN101400705A/zh active Pending
- 2007-03-09 US US12/281,154 patent/US20090318617A1/en not_active Abandoned
- 2007-03-09 BR BRPI0709399-3A patent/BRPI0709399A2/pt not_active IP Right Cessation
- 2007-03-09 MX MX2008011256A patent/MX2008011256A/es unknown
- 2007-03-09 JP JP2008558790A patent/JP2009530429A/ja active Pending
- 2007-03-09 WO PCT/EP2007/052218 patent/WO2007104713A1/de active Application Filing
-
2008
- 2008-08-19 IL IL193541A patent/IL193541A0/en unknown
Patent Citations (6)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
JPH07316242A (ja) * | 1994-05-20 | 1995-12-05 | Taisei Kako Kk | 機能性を有するコア−シェル型マイクロエマルジョン |
US5856379A (en) * | 1996-01-16 | 1999-01-05 | Fuji Photo Film Co., Ltd. | Aqueous dispersion of core/shell-type composite particles with colloidal silica as the cores and with organic polymer as the shells and production method thereof |
US6352764B1 (en) * | 1999-08-09 | 2002-03-05 | 3M Innovative Properties Company | Multi-layer articles including UV-absorbing polymeric compositions |
WO2002024757A2 (en) * | 2000-09-21 | 2002-03-28 | Rohm And Haas Company | High acid aqueous nanocomposite dispersions |
WO2005087816A1 (de) * | 2004-03-12 | 2005-09-22 | Basf Aktiengesellschaft | Effektstoffe enthaltende wässrige polymerdispersionen, verfahren zu ihrer herstellung und ihre verwendung |
WO2006015791A2 (de) * | 2004-08-04 | 2006-02-16 | Basf Aktiengesellschaft | Verfahren zur herstellung wässriger wirkstoffzusammensetzungen von in wasser schwer löslichen wirkstoffen |
Non-Patent Citations (1)
Title |
---|
DATABASE WPI Week 199606, Derwent World Patents Index; AN 1996-056019, XP002137974 * |
Cited By (5)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
WO2010058087A1 (en) * | 2008-11-24 | 2010-05-27 | Kemira Oyj | Polymer composition |
WO2010072768A1 (de) * | 2008-12-23 | 2010-07-01 | Basf Se | Uv-absorber agglomerate |
WO2011012631A1 (en) | 2009-07-29 | 2011-02-03 | Basf Se | Encapsulated phenolic antioxidants |
US8580876B2 (en) | 2009-07-29 | 2013-11-12 | Basf Se | Encapsulated phenolic antioxidants |
WO2011042495A2 (de) | 2009-10-07 | 2011-04-14 | Basf Se | Verwendung von insektizid-haltigen polymerpartikeln zur verbesserung der bodenbeweglichkeit von insektiziden, insektizidformulierungen, insektizid-haltige polymerpartikel und verfahren zur schädlingsbekämpfung |
Also Published As
Publication number | Publication date |
---|---|
BRPI0709399A2 (pt) | 2011-07-05 |
EP1999163A1 (de) | 2008-12-10 |
US20090318617A1 (en) | 2009-12-24 |
MX2008011256A (es) | 2008-09-10 |
IL193541A0 (en) | 2009-02-11 |
JP2009530429A (ja) | 2009-08-27 |
CN101400705A (zh) | 2009-04-01 |
Similar Documents
Publication | Publication Date | Title |
---|---|---|
WO2007104713A1 (de) | Effektstoffe enthaltende polymerdispersionen und ihre verwendung | |
EP1727834A1 (de) | Effektstoffe enthaltende wässrige polymerdispersionen, verfahren zu ihrer herstellung und ihre verwendung | |
EP2035462A1 (de) | Verfahren zur herstellung von mindestens einen lipophilen wirkstoff enthaltenden wässrigen polymerdispersionen und ihre verwendung | |
EP1756179B1 (de) | Feinteilige, amphotere, wässrige polymerdispersionen, verfahren zu ihrer herstellung und ihre verwendung | |
EP1966248B1 (de) | Wässrige dispersionen von polymeren, die einen fluoreszenzfarbstoff enthalten, verfahren zu ihrer herstellung und ihre verwendung zum markieren von materialien | |
DE69922011T2 (de) | Verfahren zur herstellung von wässrigen dispersionen von latexpartikeln mit heterogener morphologie, latexpartikel hergestellt durch dieses verfahren, diese dispersionen und redispergierbare pulver und deren verwendung | |
EP1778736B1 (de) | Wässrige dispersionen von wasserlöslichen und/oder in wasser quellbaren anionischen polymerisaten, verfahren zu ihrer herstellung und ihre verwendung | |
DE102005033516A1 (de) | Verfahren zur Herstellung von Emulsionspolymerisaten | |
DE19548038A1 (de) | Verfahren zur Herstellung von Polymerisaten durch Emulsionspolymerisation | |
EP2158278A1 (de) | Wässrige dispersionen von (meth)acrylsäureestern von n-hydroxyalkylierten lactam-einheiten enthaltenden polymeren und verwendung von (meth)acrylsäureestern von n-hydroxyalkylierten lactam-einheiten enthaltenden polymeren | |
EP0048320B1 (de) | Emulgiermittelfreie wässrige Kunststoffdispersion | |
EP2102249B1 (de) | Feinteilige, kationische polymerdispersionen | |
WO2008034813A1 (de) | Teilchen enthaltend polymeradditive | |
DE102005007483A1 (de) | Wässrige Dispersionen von überwiegend anionisch geladenen Polyelektrolytkomplexen, Verfahren zu ihrer Herstellung und ihre Verwendung | |
EP2475692B1 (de) | Verfahren zur herstellung einer wässrigen bindemitteldispersion | |
EP1047715B2 (de) | Verfahren zur verbesserung der stabilität wässriger polymerisatdispersionen | |
DE60026882T2 (de) | Polyvinylalkoholcopolymerzusammensetzung | |
WO2005121188A1 (de) | Verfahren zur herstellung wässriger polymerisatdispersionen | |
EP0073296A1 (de) | Verfahren zur Herstellung von Acrylkunststoffdispersionen | |
EP1086965B1 (de) | Kohlenhydratlatices, Verfahren zu ihrer Herstellung und ihre Verwendung | |
EP0866811B1 (de) | Verfahren zur herstellung niedrigviskoser, wässriger polymerisatdispersionen mit polymergehalten von wenigstens 50 vol-% | |
EP0100793B1 (de) | Wässrige Dispersionen, die kolloidale Partikel eines Polymers und einen Füllstoff enthalten und Verfahren zu deren Herstellung | |
EP1625188A1 (de) | Polymerdispersion mit farbeffekt | |
WO2010000833A1 (de) | Verfahren zur homogenen einarbeitung von polymerpartikeln in polymere matrices | |
DE19727060A1 (de) | Verfahren zur Herstellung grobteiliger, wässriger Polymerisatdispersionen mit im wesentlichen monomodaler Teilchendurchmesserverteilung |
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: 07726740 Country of ref document: EP Kind code of ref document: A1 |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2007726740 Country of ref document: EP |
|
WWE | Wipo information: entry into national phase |
Ref document number: 193541 Country of ref document: IL |
|
WWE | Wipo information: entry into national phase |
Ref document number: 12281154 Country of ref document: US |
|
WWE | Wipo information: entry into national phase |
Ref document number: MX/a/2008/011256 Country of ref document: MX |
|
WWE | Wipo information: entry into national phase |
Ref document number: 2008558790 Country of ref document: JP Ref document number: 200780009126.3 Country of ref document: CN |
|
NENP | Non-entry into the national phase |
Ref country code: DE |
|
WWE | Wipo information: entry into national phase |
Ref document number: 5543/CHENP/2008 Country of ref document: IN |
|
ENP | Entry into the national phase |
Ref document number: PI0709399 Country of ref document: BR Kind code of ref document: A2 Effective date: 20080915 |