WO2016079319A1 - Polysiloxane als anti-adhäsive und schmutzabweisende zusätze, verfahren zu deren herstellung und deren verwendung - Google Patents
Polysiloxane als anti-adhäsive und schmutzabweisende zusätze, verfahren zu deren herstellung und deren verwendung Download PDFInfo
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- 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
- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/10—Block or graft copolymers containing polysiloxane sequences
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- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
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- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
- C08G77/445—Block-or graft-polymers containing polysiloxane sequences containing polyester sequences
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- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/42—Block-or graft-polymers containing polysiloxane sequences
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- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
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- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/48—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
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- C08L63/00—Compositions of epoxy resins; Compositions of derivatives of epoxy resins
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- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L83/00—Compositions of macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon only; Compositions of derivatives of such polymers
- C08L83/10—Block- or graft-copolymers containing polysiloxane sequences
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- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
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- C09D163/00—Coating compositions based on epoxy resins; Coating compositions based on derivatives of epoxy resins
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- C09D183/00—Coating compositions based on macromolecular compounds obtained by reactions forming in the main chain of the macromolecule a linkage containing silicon, with or without sulfur, nitrogen, oxygen, or carbon only; Coating compositions based on derivatives of such polymers
- C09D183/10—Block or graft copolymers containing polysiloxane sequences
- C09D183/12—Block or graft copolymers containing polysiloxane sequences containing polyether sequences
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B32—LAYERED PRODUCTS
- B32B—LAYERED PRODUCTS, i.e. PRODUCTS BUILT-UP OF STRATA OF FLAT OR NON-FLAT, e.g. CELLULAR OR HONEYCOMB, FORM
- B32B27/00—Layered products comprising a layer of synthetic resin
- B32B27/28—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42
- B32B27/283—Layered products comprising a layer of synthetic resin comprising synthetic resins not wholly covered by any one of the sub-groups B32B27/30 - B32B27/42 comprising polysiloxanes
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- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/12—Polysiloxanes containing silicon bound to hydrogen
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- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/04—Polysiloxanes
- C08G77/20—Polysiloxanes containing silicon bound to unsaturated aliphatic groups
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- C08G—MACROMOLECULAR COMPOUNDS OBTAINED OTHERWISE THAN BY REACTIONS ONLY INVOLVING UNSATURATED CARBON-TO-CARBON BONDS
- C08G77/00—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule
- C08G77/48—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms
- C08G77/50—Macromolecular compounds obtained by reactions forming a linkage containing silicon with or without sulfur, nitrogen, oxygen or carbon in the main chain of the macromolecule in which at least two but not all the silicon atoms are connected by linkages other than oxygen atoms by carbon linkages
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- 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
- C09D5/00—Coating compositions, e.g. paints, varnishes or lacquers, characterised by their physical nature or the effects produced; Filling pastes
Definitions
- the present invention further relates to the use of the products as additives in coating compositions, polymeric molding compounds or thermoplastics, for example as surface modifiers, such as
- lubricants for improving scratch resistance, water repellents and agents for improving the cleaning properties of the additive material.
- silicone-containing compounds to coating materials and polymeric molding compounds or thermoplastics (coating additives from Johan Bieleman, Weinheim, New York, Chichester, Brisbane, Singapore, Toronto, Wiley-VCH, 1998), for example, to determine properties of the substrate, such as wetting, to improve or maintain the course and the sliding properties of the coating surfaces.
- Coating agents polymeric molding compounds or thermoplastics add comb-like polysiloxanes to achieve certain properties, such as improved scratch resistance or to obtain an easy-to-clean surfaces.
- EP 1 193303 B1 describes coatings with anti-adhesive
- antisoiling properties obtained from coating compositions to which are added as an additive 0.1 to 10 wt .-% based on the solids content of the coating agent of a polymer having a weight average molecular weight of 2,000 to 200,000 and consisting of a polymeric base molecule and Si-C bonds covalently attached to the base molecule bonded polydiorganosiloxane side chains, wherein the side chains have a weight average of the molecular weight between 1000 and 30,000 and the proportion of the total weight of the branched polymer is 5 to 25 wt .-%.
- Epoxy-functional polysiloxanes and methods for their preparation are described in US 5,512,640. Their use for the modification of
- thermosetting resins such as epoxy resins
- the improvement in the fracture toughness of thermosetting resins has been described, for example, in Egyptian Polymer Journal 19 (3) 2010, pages 185-196.
- the use of polyether-modified polysiloxanes achieves an improvement in the fracture toughness, impact resistance and delamination resistance of the composites.
- the modification of the polysiloxane with polyether chains increases the compatibility with epoxy systems.
- the object of the present invention was to improve the
- thermoplastics which show an improved anti-adhesive and / or dirt-repellent action.
- additives added to give these improved properties are said to have the other properties of the coating compositions, polymeric molding compositions or
- Thermoplastics if possible not impair.
- the added additives should In addition, they can be effective in relatively small quantities.
- Coating agents polymeric molding compounds or thermoplastics, should continue their anti-adhesive and / or soil-repellent effect over a long
- nnonovinylfunktionellen polysiloxane and at least one epoxy-functional, nnonovinylfunktionellen component to produce a Si-H-functional polysiloxane can be solved.
- the aforementioned epoxy-functional polysiloxanes are also referred to herein as polysiloxanes according to the invention.
- the polysiloxanes according to the invention usually no longer have Si-H groups.
- Polysiloxanes according to the invention are preferably comb-shaped.
- Coating agents, polymeric molding compounds or thermoplastics, to which these addition products are added have excellent anti-adhesive and dirt-repellent properties.
- the addition products of the invention are very compatible with the usual ingredients of coating compositions, polymeric molding compounds and thermoplastics and usually do not affect their other properties.
- epoxy-functional polysiloxanes the coating agents, polymeric molding materials or thermoplastics, in relatively small amounts (amounts of additive) are added and unfold their effect even in these small amounts.
- the physical properties of the original coating compositions, polymeric molding compounds or thermoplastics, for example in terms of corrosion protection, gloss retention and weather resistance are not affected by the low concentrations of the additive.
- Thermoplastics containing the addition products according to the invention usually also show the desired properties over a period of several years and retain these properties over several cleaning cycles. starting compounds
- the Si-H-functional polysiloxanes may be chain-shaped
- Polysiloxanes act. Preference is given to chain-like or branched polysiloxanes. Particularly preferred are chain-shaped polysiloxanes.
- the Si-H-functional polysiloxane is particularly preferably an alkyl, aryl or aralkyl-hydrogen-polysiloxane. Very particularly preferred is an alkyl-hydrogen polysiloxane which as the alkyl group Ci-C 4 - bear alkyl groups, preferably Ci-C 4 -alkyl and most preferably methyl groups.
- the alkyl groups may carry additional aryl groups (this is referred to as aralkyl-group-carrying polysiloxanes).
- Aralkyl groups in the polysiloxane they preferably contain 7 to 14th
- the polysiloxanes may also, although less preferably, bear aryl groups. If aryl groups are present in the polysiloxane, these preferably contain 6 to 14 carbon atoms. Also usable are those Si-H-functional polysiloxanes which carry both alkyl groups and aryl groups and / or aralkyl groups. Most preferably, the Si-H-functional polysiloxane is a methyl-hydrogen-polysiloxane.
- Si-H-functional polysiloxanes can be, for example, by addition reaction, in particular hydrosilylation, a
- the term "monovinylic” encompasses all species, that is to say compounds and polymeric species, which have exactly one carbon-carbon double bond, which is terminal
- the monovinyl-functional polysiloxanes can therefore preferably be represented by the following structural formula (I): (I) wherein Z is hydrogen or an alkyl group having 1 to 4, preferably 1 or 2, carbon atoms and X is a monovalent radical of the formula:
- R a represents a linear halogenated or non-halogenated alkyl radical having 1 to 30 carbon atoms, a branched or cyclic, halogenated or non-halogenated alkyl radical having 3 to 30 carbon atoms or an aryl radical having 6 to 30 carbon atoms or an alkylaryl radical or an arylalkyl radical having 7 to 30 carbon atoms or an alkoxyalkylene oxide alkyl radical or
- R b , R c , R d and R e are independently a linear halogenated or non-halogenated alkyl radical having 1 to 30 carbon atoms, a branched or cyclic, halogenated or non-halogenated alkyl radical having 3 to 30
- R d and R e can also independently of one another stand for R a [SiR b RO] r , where R a , R b , R c and r are as defined above and are selected independently of one another.
- R a , R b , R c and r are as defined above and are selected independently of one another.
- Z is hydrogen
- p is 0 and q is 1
- it is called allyl polysiloxanes
- Z is CH 3
- p is 1 and q is 3, so this refers to a 3- (methacryloxy) propyl polysiloxane.
- the termination is for example by
- linear nnonovinyl-functional polysiloxanes can be carried out, for example, via a living anionic polymerization of cyclic polysiloxanes, for example a hexamethylene cyclotrisiloxane.
- This method is described inter alia in T. Suzuki in Polymer, 30 (1989) 333, WO 2009/086079 A2, EP 1 985 645 A2 and US 2013/0041098 A1.
- the reaction is exemplified by the Hexamethylencyclotrisiloxans, in the following reaction scheme:
- the functionalization of the end group can be carried out with functional chlorosilanes, for example dimethyl (vinyl) chlorosilane, analogously to the following reaction scheme according to methods known to the person skilled in the art.
- functional chlorosilanes for example dimethyl (vinyl) chlorosilane
- monomethyl (vinyl) dichlorosilane or trichloro (vinyl) silane can be used to functionalize the end group with a polysiloxane residue introduced for each chlorine atom.
- This is a monovinyl-functional component which is different from the monovinyl-functional polysiloxanes and is added to the Si-H-functional polysiloxanes.
- the epoxy-functional, monovinyl-functional component may be compounds containing an epoxy group and a vinyl group.
- polymeric structural elements may also be present between the epoxy group and the vinyl group, such as, for example, polyalkyleneoxy groups, especially those of ethylene oxide and / or
- the epoxy-functional, monovinyl-functional component
- the epoxy-functional, monovinyl-functional component is aliphatic.
- Preferred epoxy-functional, monovinyl-functional components can be represented by the following structural formula (II):
- linker L here stands for a linking group (also referred to as linker) and epoxy for an oxirane ring wherein the oxirane ring having one or both carbon atoms is attached to the linker L.
- the linker L is a saturated, aliphatic radical which may contain heteroatoms, preferably oxygen atoms. Most preferably, it is a
- aliphatic radical comprises acyclic and cyclic aliphatic radicals, as usual in chemical nomenclature.
- epoxy-functional, monovinyl-functional compounds are 4-vinylcyclohexene oxide, allylglycidyl ether, methallylglycidyl ether, 1-methyl-4-isopropenylcyclohexene oxide, 2,6-dimethyl-2,3-epoxy-7-octene, 1,4-dimethyl-4-vinylcyclohexene oxide, vinylnorbornene monooxide and dicyclopentadiene monooxide.
- Structural elements are alpha allyl omega glycidyloxy polyethylene glycol and alpha allyl omega glycidyloxy polyethylene / polypropylene glycol, and the like. Particular preference is given to using, in the context of the present invention, 4-vinylcyclohexene oxide and allylglycidyl ether.
- incorporation of further components serves, in particular, to fine-tune the compatibility of the polysiloxanes according to the invention with the systems in which they are used, for example coating agents, polymeric molding compounds and thermoplastics.
- the other that is optional in the
- polysiloxanes can be incorporated components
- R is a radical -SiR x n R y 3 -n in which
- n 1 to 3
- R x independently of one another are halogen, preferably chlorine, O-alkyl, preferably O-C 1 -alkyl, particularly preferably OMethyl or ethyl or O-CO-alkyl, preferably O-CO-CH 3 , and
- R y is alkyl, preferably Ci -4 alkyl, particularly preferably represents methyl or ethyl, or represents aryl having 6 to 10 carbon atoms; or
- R is a polymeric radical with ether, ester and / or urethane groups.
- the group Q should preferably contain no groups which are reactive toward epoxy groups, in particular contain no hydroxyl groups.
- the linker L ' is preferably a saturated, aliphatic radical or an araliphatic radical. Most preferably it is a heteroatom-free, saturated, aliphatic hydrocarbon radical. Most preferably, L 'is an alkylene radical having 1 to 12 carbon atoms or a phenylene alkylene radical having 7 to 10 carbon atoms.
- mixtures of the aforementioned optional Components are used to make the compatibility of the polysiloxanes according to the invention of a particularly fine tuning of the properties accessible.
- alkoxyalkylsilane or alkylchlorosilane vinyltrichlorosilane, vinyltri-tert-butoxysilane, vinyltriacetoxysilane, vinylphenylmethylmethoxysilane, vinylphenylmethylchlorosilane, vinylphenyldiethoxysilane, vinyldiphenylchlorosilane, vinyldimethylethoxysilane, vinyldimethylchlorosilane, 1-vinyl-3- (chloromethyl) -1,1,3,3-tetramethyldisiloxane, vinyl (chloromethyl) dimethylsilane, vinyldimethylethoxysilane, vinyltris (methoxypropoxy) silane, vinyltris (2-methoxyethoxy) silane, vinyltrimethoxysilane, vinyltriisopropoxysilane, vinyltriethoxysilane, vinylphenyldichlorosilane,
- the radical R is particularly preferably a polymeric radical having ether, ester and / or urethane groups.
- Allyl polyethers can be prepared by the alkoxylation of allyl alcohol or monoallyl ethers having one or more hydroxy groups with alkylene oxides, especially ethylene oxide and / or propylene oxide and / or butylene oxide and / or styrene oxide.
- Both pure alkoxylates and mixed alkoxylates can be prepared.
- the alkoxylation may be block wise, alternating or random.
- the mixed alkoxylates may contain a distribution gradient with respect to the alkoxylation.
- radical R is a polyether radical
- this is preferably a polyether radical of ethylene oxide ([EO]), propylene oxide ([PO]) or a mixture of ethylene oxide and propylene oxide. It can be represented in such a case by the following formula:
- R T represents an aliphatic, aromatic or araliphatic, hydroxyl group-free group, for example an alkyl group, CO-alkyl group or a CO-NH-alkyl group.
- the group R T contains 1 to 10, more preferably 1 to 6 and most preferably 1 to 4 carbon atoms.
- polyether copolymers corresponding to the structural formula given above may be random copolymers, alternating copolymers or block copolymers. Also, by the sequence of
- Alkylene oxide units are formed a gradient.
- Allyl polyesters can be prepared by the esterification of alcohols with allylic double bond (1-alkenols, such as 5-hexene-1-ol, or hydroxy-functional allyl polyethers, such as
- Ethylene glycol monoallyl ether, diethyl glycol monoallyl ether or higher homologues) with hydroxycarboxylic acids or their lactones The esterification is preferably carried out via a ring-opening polymerization with propiolactone, caprolactone, valerolactone and / or dodecalactone.
- methyl-substituted derivatives of the lactones can be used.
- the lactones can be used.
- esterification may be block wise, alternating or random. Also, the mixed polyesters may contain a distribution gradient with respect to the esterification.
- the end groups of the allyl polyester like those of the allyl polyethers, are blocked or capped, for example by acetylation.
- the weight-average molecular weights of the allyl polyesters are preferably between 200 and 4000 g / mol, particularly preferably between 300 and 2000 g / mol and very particularly preferably between 400 and 1000 g / mol.
- mixed allyl (polyether) polyether
- polyester poly(ethylene glycol)
- a ring-opening lactone polymerization on a hydroxy-functional allyl polyether
- blocking or capping the hydroxyl end group
- alkoxylation on an allyl polyester having a terminal hydroxyl group, followed by blocking or capping.
- the combination options are manifold here.
- compatibilities of the polysiloxanes according to the invention can be adapted in different ways.
- Polysiloxanes for example, in polyurethanes containing systems, can be in the polysiloxanes according to the invention corresponding
- Polymeric radicals such as polyether radicals, polyester radicals, polyurethane radicals or polymeric radicals which contain ethers, esters and / or urethane groups can also be incorporated by condensation reaction into the Si-H-functional polysiloxanes.
- condensation reaction is usually assumed by monohydroxyfunktionellen, preferably linear, polymeric components comprising ether, ester and / or urethane groups.
- monoalcohols for example, methanol, ethanol, butanol or allyl alcohol, or others
- Starter alcohols such as fatty alcohols serve.
- Preferred subject matter of the invention are polysiloxanes which can be described by the following general formula (IV):
- X, Y, Z and Q are as defined above
- R 1 independently of one another are C 1 -C 4 -alkyl, C 6 -C 10 -aryl or C 7 -C 12 -aralkyl;
- R 2 and R 3 are each, independently of one another, CH 2 CHZX, CH 2 CHZY or (CH 2 CHZ) S Q, or - (R 4 ) i-C 1 -C 4 -alkyl,
- A 0-20, preferably 0-15, more preferably 0-8,
- B 2 to 300, preferably 10 to 200, particularly preferably 15 to 100, very particularly preferably 50 to 100, for example 65 to 100,
- C 0-20, preferably 1-15, more preferably 1-8, most preferably 1-6;
- D 0-20, preferably 1-15, more preferably 1-8, most preferably 3-8;
- copolymers corresponding to the structural formula given above may be random copolymers, alternating copolymers or block copolymers. Also, a gradient can be formed by the sequence of the side chains along the silicone backbone. That is, the A units of the formula - [SiR 1 ((CH 2 CHZ) r Q) -O -] -, the B units -Si (R 1 ) 2 -O-, the C units
- the preferred polysiloxanes according to the invention contain 6 to 763 siloxane units, taking into account the siloxane units in the main chain and the side chains.
- the polysiloxanes preferred according to the invention preferably contain from 10 to 500 siloxane units, more preferably from 20 to 250 siloxane units, and very particularly preferably from 50 to 200 siloxane units and in particular from 100 to 180 siloxane units.
- the reaction can be carried out such that at least one epoxy-functional, monovinyl-functional component, at least one monovinylfunktionelles
- Polysiloxane and optionally at least one of the aforementioned species different monovinylfunktionelle component, as defined above, are added as a mixture of the components or in any order to the Si-H-functional polysiloxane, in particular by hydrosilylation.
- platinum compounds whose compounds, such as platinum, rhodium, and palladium and their compounds, particularly preferably platinum compounds, as hydrosilylation catalyst.
- platinum compounds are hexachloroplatinic acid, alcoholic solutions of hexachloroplatinic acid, complexes with platinum and aliphatic unsaturated hydrocarbon compounds and platinum-vinylsiloxane complexes.
- platinum black and platinum on activated carbon can also be used.
- the hydrosilylation is carried out under the following conditions:
- the SiH-functional polysiloxane is initially charged at room temperature. Under one
- a hydrosilylation catalyst e.g. Karstedt catalyst or one of the other catalysts mentioned above is added. Depending on the expected exotherm of the reaction, a part or the total amount of the monovinyl-functional components is added. Due to the then running exothermic reaction, the temperature rises. Usually it tries to
- the polysiloxanes according to the invention preferably contain no Si-H groups.
- condensation reactions for example monohydroxy-functional components by condensation with an SiH group in the SiH-functional polysiloxane, the condensation reactions are carried out before the hydrosilylation reactions.
- polysiloxanes according to the invention can also be used as intermediates for
- polysiloxanes are subsequently completely or partially chemically modified, for example, certain new reactive groups introduce.
- epoxy groups for example with acrylic acid
- products can be obtained which are also present in radiation-curing compositions, such as UV and electron beam curing agents
- compositions insert while keeping firmly in the appropriate
- Composition for example, a radiation-curing paint, install.
- the polysiloxanes according to the invention can be used, for example, in epoxide systems, epoxide-siloxane systems, polyester systems and also in systems which crosslink under the action of UV / EB radiation in the presence of weakly acidic donors and others.
- the invention furthermore relates to the compositions containing polysiloxanes according to the invention, in particular to coating compositions, polymeric molding compounds or thermoplastics.
- Particularly preferred invention are compositions containing polysiloxanes according to the invention, in particular to coating compositions, polymeric molding compounds or thermoplastics.
- compositions are those containing epoxy resins.
- compositions, polymeric molding materials or thermoplastics prepared with the polysiloxanes according to the invention can be used pigmented or unpigmented, in addition, the coating, polymeric
- thermoplastics fillers such as calcium carbonate, aluminum hydroxide, reinforcing fibers such as glass fibers, C-fibers and aramid fibers.
- the coating compositions, polymeric molding compounds or thermoplastics prepared with the polysiloxanes of the invention may contain other conventional additives, such as wetting and dispersing agents, light stabilizers, antiaging agents and the like.
- the coating compositions prepared with the polysiloxanes according to the invention preferably contain at least one other of these different binder.
- the coating composition compositions according to the invention are preferably suitable for anti-graffiti coatings, release coatings, self-cleaning facade coatings, anti-icing agents
- novel coating compositions, polymeric molding compounds or thermoplastics contain the polysiloxanes according to the invention as an additive in amounts of from 0.1 to 10% by weight, preferably from 0.5 to 7.5% by weight, very particularly preferably from 1 to 5% by weight .-% based on the total weight of
- Coating agent the polymeric molding material or the thermoplastic.
- the coating compositions prepared with the polysiloxanes according to the invention can be applied to a variety of substrates, such as wood, paper, glass, ceramic, plaster, concrete and metal.
- the coatings can also be applied in a multi-layer process to primers, fillers or basecoats.
- the curing of the coating agent is dependent on the particular type of crosslinking and can be carried out in the wide temperature range of for example -10 ° C to 250 ° C.
- coating compositions prepared with the polysiloxanes according to the invention also exhibit very good anti-adhesive dirt-repellent properties even when cured at room temperature.
- Molding compounds are preferably coating resins, polyester resins,
- Epoxy resins, silicone resins, Epoxysilikonharze, polyurethane resins or mixtures of these polymers Due to the extremely good anti-adhesive effect of the coatings obtained from the coating compositions according to the invention even oily substances such as mineral oils, vegetable oils or oily preparations can be rejected, so that thus coated containers are completely emptied.
- Coating compositions are excellent as internal coating agents for coating drums, cans or cans.
- the invention also provides a process for coating a substrate selected from the materials metal, glass, ceramic and plastic, wherein a coating composition of the invention is applied to the substrate, is crosslinked by physical drying, by reactive self-crosslinking or reactive foreign crosslinking.
- a thermal crosslinking takes place at a temperature> 100 ° C.
- Another object of the invention is the resulting cured coating.
- Silane groups contain, wherein at the coating surface a
- Cured coatings are typically thermoset and therefore differ drastically from, for example, thermoplastic materials.
- the coating agents of the present invention By using the coating agents of the present invention, it is possible to remarkably improve the self-cleaning properties of the surfaces. Another advantage is that other properties of such hybrid coatings, such as the course, the gloss, the transparency and flexibility are not adversely affected, and partially the aforementioned properties are even improved.
- the present invention is therefore also the use of the polysiloxanes of the invention as additives for improving the anti-adhesive properties of coating compositions, polymeric molding compositions and
- Thermoplastics in particular the use as an additive for finishing surfaces with dirt-repellent and / or self-cleaning properties.
- the additive is used in the amounts given above for coating agents, polymeric molding compounds and thermoplastics. In the following, the invention will be illustrated by way of examples.
- Monovinyl-terminated polydimethylsiloxanes have an average
- Example 1 Molecular weight of 2000, 3000, 5000 and are prepared analogously to Example 1 a (1st stage) of the patent DE 10 2008 031 901 A1 prepared with the difference that the final functionalization was carried out with Chlordinnethylvinylsilan instead of Chlordinnethylsilan.
- Example 1 Molecular weight of 2000, 3000, 5000 and are prepared analogously to Example 1 a (1st stage) of the patent DE 10 2008 031 901 A1 prepared with the difference that the final functionalization was carried out with Chlordinnethylvinylsilan instead of Chlordinnethylsilan. example 1
- Polysiloxane having the average formula M Butyl D 40 M CH CH 2 and heated to 75 ° C under nitrogen atmosphere. Upon reaching this temperature, 0.30 g of Karstedt catalyst 0.2% in xylene is added. The amount of heat released during the reaction increases the temperature to 103 ° C. After 30 minutes at 100 ° C., a gas volumetric determination of the remaining Si-H groups is carried out and the theoretical conversion of 13.3 mol% is found. 0.03 g of Karstedt catalyst 0.2% in xylene are added for the second reaction stage and then 13.98 g of allyl glycidyl ether are metered in over the course of 10 minutes, the temperature increases up to 106 ° C.
- Mono-SiH-functional polysiloxanes are prepared according to the process described in the patent DE 102008031901 (Example 1 a).
- Mono-SiH-functional polysiloxane 250 g, Mn ⁇ 2000 g / mol
- Karstedt catalyst 4.38 g, 0.2% solution in xylene
- Allylamine 9.29 g is added dropwise over 30 minutes.
- the reaction of the mono-SiH-functional polysiloxane is monitored by gas volumetric determination. After completion of the reaction, the excess allylamine is distilled off.
- the measured amine number of the product is 24.1 mg KOH / g.
- the product obtained here has an epoxy-amine structure as a polymer backbone and has polysiloxane side chains attached to the polymer backbone.
- Nitrogen inlet tube provided with four-necked flask, 6.10 g Silaplane FM 0721 (mono-methacrylic polysiloxane macromer with a
- the product obtained here has a poly (meth) acrylate backbone as the polymer backbone and has hydroxyethyl groups along the poly (meth) acrylate backbone.
- the product obtained here has a poly (meth) acrylate backbone as the polymer backbone and has glycidyl groups along the poly (meth) acrylate backbone.
- the product obtained here has a poly (meth) acrylate backbone as the polymer backbone and has glycidyl groups along the poly (meth) acrylate backbone, but less than in Comparative Example C.
- the following GPC data are found for the product:
- the coatings were cured at 40 ° C for three days.
- the contact angle measurements with respect to water were carried out after three days' storage of the samples at room temperature (measuring instrument: Krüss G2, Easy Drop).
- CB-Slurry-Test The Carbon Black Slurry Test
- CB-Creme-Test the Carbon Black Hand Cream Test
- CB- ⁇ I-Test the Carbon Black Mineral Oil Test
- Marker -Test completed.
- the rating ranges from 1 to 5, where the value 1 means “no residue”, while the value 5 means “large residue”.
- a carbon black slurry is prepared by mixing 2.0 g of special black 6 (Evonik), 100 g of water and 5 drops of liquid soap (Pril®). The carbon black slurry is applied to the coated sheet with a small brush. The mixture is then dried at 50 ° C for 1 hour. Then the sheets are washed under running water and using a soft brush. It is washed without using soap or by scrubbing until the coating is cleaned as much as possible.
- special black 6 Evonik
- Pril® liquid soap
- a 1% by weight slurry of carbon black powder (type FW 200 from Evonik Degussa) in mineral oil (Q8 Puccini 32P from Kuwait Petroleum International Lubricants) is produced. This is rubbed with the finger on the coated sheets. The soiled sheets are stored overnight at room temperature and then cleaned with dry paper (Tork paper towels from Svenska Cellulosa AB) or wet paper soaked in a 5% Pril® solution to check cleanability.
- the scoring range is from 1 to 5, where the value 1 means "the ink can be used completely with one
- Coating compositions based on a solvent-based pigmented epoxy resin / polyamide hardener system (conventional epoxy system)
- a component A is prepared by mixing the materials listed at positions 1 to 3 of Table 1 by means of a dissolver with a gear wheel at 2000 revolutions per minute to homogeneity.
- the material of position 4 of Table 1 is added and mixed at 3000 revolutions per minute until a perfect gel is formed. Thereafter, the materials of positions 5 to 7 of Table 1 are added at 3000 revolutions per minute and it is stirred for a further 15 minutes. After that, the Materials of positions 8 to 1 1 of Table 1 are added at 2000 revolutions per minute and it is stirred for a further 5 minutes.
- Component B is prepared by stirring the materials of positions 12 to 14 of Table 1 for 15 minutes at 2000 revolutions per minute.
- the coating composition is applied in a wet film thickness of 150 ⁇ on a glass plate.
- the glass plate is added overnight
- the coating film is as listed above
- Dowanol PM is a propylene glycol methyl ether from Dow Chemical Company 2
- Epikote 1001 X75 is a 75% by weight solution of an epoxy resin in xylene from Momentive
- Bentone SD-2 is a rheology additive based on an organically modified bentonite clay from Elementis Specialties
- Disperbyk-142 is a wetting and dispersing agent from Byk Chemie GmbH
- Ti-Pure R902 is a titanium dioxide pigment from DuPont Titanium Technologies
- 6 Blanc Fixe N is a synthetic barium sulfate from Solvay Chemicals
- Solvesso 100 is an aromatic solvent of the ExxonMobil company
- 8Ancamide 220-X-70 is a hardener from Air Products
- Ancamine K-54 is an epoxy accelerator from Air Products
- a component A is prepared by mixing the materials listed at positions 1 to 5 of Table 2 by means of a dissolver with a gear wheel at 2000 revolutions per minute to homogeneity.
- the coating composition is applied in a wet film thickness of 150 ⁇ on a glass plate. Store the glass plate overnight at room temperature (23 ° C) and then dry in an oven at 40 ° C for 3 days.
- the coating film is as listed above
- Epikote 828 is an epoxy resin from Shell International Chemical Corporation 2 Ruetasolv DI "Ruetasolv DI” is di-isopropyl Naphthalene from Rutgers Kureha 3 Disperbyk 2152 is a wetting and dispersing agent from Byk Chemie GmbH 4 BYK A 530 is a defoamer from Byk Chemistry GmbH
- a component A is prepared by mixing the materials listed at positions 1 to 4 of Table 3 by means of a dissolver with a gear wheel at 2000 revolutions per minute to homogeneity.
- the coating composition is applied in a wet film thickness of 150 ⁇ on a glass plate. Store the glass plate overnight at room temperature (23 ° C) and then dry in an oven at 40 ° C for 3 days.
- Araldite GY793 BD is an epoxy resin from Hunstman
- Disperbyk 142 is a wetting and dispersing agent from Byk Chemie GmbH
- BYK A 530 is a defoamer from Byk Chemie GmbH
- Epoxy resin / Polyamide hardener system epoxy system with high solids content and high viscosity
- a component A is prepared by mixing the materials listed at positions 1 to 4 of the materials listed in Table 4 by means of a dissolver with a gear wheel at 2000 revolutions per minute to homogeneity.
- the coating composition is applied in a wet film thickness of 150 ⁇ on a glass plate. Store the glass plate overnight at room temperature (23 ° C) and then dry in an oven at 40 ° C for 3 days.
- the coating film is as listed above
- Epikote 874X90 is an epoxy resin from Momentive
- BYK 310 is a surface additive from Byk Chemie GmbH
- Disperbyk 2152 is a wetting and dispersing agent from Byk Chemie GmbH
- Ti-Pure R902 is a titanium dioxide pigment from DuPont Titanium Technologies
- Epikote 834X80 is an epoxy resin from Momentive
- Dowanol PM is propylene glycol mono-methyl ether from Dow
- Epikure 3155 is a hardener from Momentive Coating agent 5
- Epoxy resin / polyamide hardener system (high solids, low viscosity epoxy system)
- a component A is prepared by mixing the materials listed at positions 1 to 4 of the materials listed in Table 5 by means of a dissolver with a gear wheel at 2000 revolutions per minute until homogeneous.
- the coating composition is applied in a wet film thickness of 150 ⁇ on a glass plate. Store the glass plate overnight at room temperature (23 ° C) and then dry in an oven at 40 ° C for 3 days.
- the coating film is as listed above
- polysiloxanes according to the invention are obtained as an additive at least comparatively good in some tests even better dirt and olab lade surfaces than with the comparative products.
- the polysiloxanes according to the invention have even better properties than the additive of Comparative Example A, although this is chemically even closer to the epoxy resin-based coating composition of the coating composition 1 due to its epoxy-amine backbone.
- Water contact angle have as the additives of Comparative Examples 3 and 4 not according to the invention.
- Example 6 1 1 1 17.6 / 27.3 0.05 1 98 Also in the coating agent 2 polysiloxanes according to the invention have a significantly higher flow-promoting effect in the longwave range about the same water contact angle or they have a similar course a higher water contact angle.
- Test cloth soap angle (°) without additive 1 3 5 15.1 / 30.7 0.19 5 95
- Example 6 2 1 1 9.4 / 25.5 0.05 1 100
- Example 6 1 2 1 6.5 / 9.0 0.08 1 98
- the results of the tables show that the polysiloxanes according to the invention hydrophobicize the paint surface and with "easy-to-clean" properties
Landscapes
- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Health & Medical Sciences (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Materials Engineering (AREA)
- Engineering & Computer Science (AREA)
- Life Sciences & Earth Sciences (AREA)
- Wood Science & Technology (AREA)
- Silicon Polymers (AREA)
- Application Of Or Painting With Fluid Materials (AREA)
- Laminated Bodies (AREA)
- Compositions Of Macromolecular Compounds (AREA)
- Epoxy Resins (AREA)
- Paints Or Removers (AREA)
Abstract
Description
Claims
Priority Applications (6)
Application Number | Priority Date | Filing Date | Title |
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PL15798091T PL3221409T3 (pl) | 2014-11-20 | 2015-11-20 | Polisiloksany jako dodatki anty-adhezyjne i odpychające brud, sposób ich wytwarzania i ich zastosowanie |
KR1020177014593A KR102403030B1 (ko) | 2014-11-20 | 2015-11-20 | 접착-방지 및 오염-반발 첨가제로서의 폴리실록산, 이의 제조 방법 및 용도 |
CN201580062333.XA CN107109130B (zh) | 2014-11-20 | 2015-11-20 | 作为抗粘合和防污添加剂的聚硅氧烷,其生产和使用方法 |
EP15798091.3A EP3221409B1 (de) | 2014-11-20 | 2015-11-20 | Polysiloxane als anti-adhäsive und schmutzabweisende zusätze, verfahren zu deren herstellung und deren verwendung |
US15/521,812 US9938432B2 (en) | 2014-11-20 | 2015-11-20 | Polysiloxanes as anti-adhesive and dirt-repellant additives, method for the production and use thereof |
JP2017526862A JP6689267B2 (ja) | 2014-11-20 | 2015-11-20 | 付着防止性および防汚性の添加剤としてのポリシロキサン、その製造および使用のための方法 |
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EP14194191.4A EP3023467B1 (de) | 2014-11-20 | 2014-11-20 | Formmasse, thermoplast oder beschichtungsmittel enthaltend polysiloxane als anti-adhäsive und schmutzabweisende zusätze |
EP14194191.4 | 2014-11-20 |
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WO2016079319A1 true WO2016079319A1 (de) | 2016-05-26 |
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PCT/EP2015/077265 WO2016079319A1 (de) | 2014-11-20 | 2015-11-20 | Polysiloxane als anti-adhäsive und schmutzabweisende zusätze, verfahren zu deren herstellung und deren verwendung |
Country Status (7)
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US (1) | US9938432B2 (de) |
EP (2) | EP3023467B1 (de) |
JP (1) | JP6689267B2 (de) |
KR (1) | KR102403030B1 (de) |
CN (1) | CN107109130B (de) |
PL (2) | PL3023467T3 (de) |
WO (1) | WO2016079319A1 (de) |
Cited By (2)
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JP2018199765A (ja) * | 2017-05-26 | 2018-12-20 | 楠本化成株式会社 | 両親媒性ブロック共重合体を利用した塗料用レベリング剤 |
WO2019233734A1 (en) | 2018-06-05 | 2019-12-12 | Byk-Chemie Gmbh | Polymer with polyether polyester segment and polysiloxane segment |
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US11560493B2 (en) * | 2018-04-06 | 2023-01-24 | Ndsu Research Foundation | Use of amphiphilic surface modifying additives to improve performance of siloxane-polyurethane fouling-release coatings |
US11746176B2 (en) * | 2019-07-05 | 2023-09-05 | Board Of Trustees Of Michigan State University | Omniphobic compatibilizers for clear coatings, related articles, and related methods |
WO2021074767A1 (en) * | 2019-10-16 | 2021-04-22 | Clariant India Limited | Dirt pick up resistant additive |
CN115916872B (zh) * | 2020-06-24 | 2024-09-24 | 陶氏环球技术有限责任公司 | 硅橡胶组合物 |
CN116023662B (zh) * | 2021-10-25 | 2024-02-02 | 万华化学集团股份有限公司 | 一种防晒增效剂及其制备方法和在防晒化妆品中的应用 |
CN118679209A (zh) | 2022-02-14 | 2024-09-20 | 迈图高新材料有限责任公司 | 天冬氨酸酯官能的聚硅氧烷、其制备及其用途 |
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2015
- 2015-11-20 CN CN201580062333.XA patent/CN107109130B/zh active Active
- 2015-11-20 EP EP15798091.3A patent/EP3221409B1/de active Active
- 2015-11-20 US US15/521,812 patent/US9938432B2/en active Active
- 2015-11-20 WO PCT/EP2015/077265 patent/WO2016079319A1/de active Application Filing
- 2015-11-20 PL PL15798091T patent/PL3221409T3/pl unknown
- 2015-11-20 JP JP2017526862A patent/JP6689267B2/ja active Active
- 2015-11-20 KR KR1020177014593A patent/KR102403030B1/ko active IP Right Grant
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Also Published As
Publication number | Publication date |
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EP3023467A1 (de) | 2016-05-25 |
JP2018503705A (ja) | 2018-02-08 |
JP6689267B2 (ja) | 2020-04-28 |
CN107109130A (zh) | 2017-08-29 |
KR102403030B1 (ko) | 2022-05-27 |
KR20170085520A (ko) | 2017-07-24 |
EP3023467B1 (de) | 2017-05-10 |
PL3023467T3 (pl) | 2017-10-31 |
US20170247572A1 (en) | 2017-08-31 |
PL3221409T3 (pl) | 2019-06-28 |
EP3221409B1 (de) | 2018-11-07 |
CN107109130B (zh) | 2019-12-31 |
US9938432B2 (en) | 2018-04-10 |
EP3221409A1 (de) | 2017-09-27 |
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