WO2015091318A1 - Liant réactif à haut point d'ébullition pour la fabrication de pierre reconstituée - Google Patents

Liant réactif à haut point d'ébullition pour la fabrication de pierre reconstituée Download PDF

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Publication number
WO2015091318A1
WO2015091318A1 PCT/EP2014/077683 EP2014077683W WO2015091318A1 WO 2015091318 A1 WO2015091318 A1 WO 2015091318A1 EP 2014077683 W EP2014077683 W EP 2014077683W WO 2015091318 A1 WO2015091318 A1 WO 2015091318A1
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WIPO (PCT)
Prior art keywords
weight
meth
kit
initiator
fillers
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PCT/EP2014/077683
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German (de)
English (en)
Inventor
Stefan Hilf
Günter Schmitt
Thomas Rudolph
Michael FLITTNER
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Evonik Industries Ag
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Publication of WO2015091318A1 publication Critical patent/WO2015091318A1/fr

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D4/00—Coating compositions, e.g. paints, varnishes or lacquers, based on organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond ; Coating compositions, based on monomers of macromolecular compounds of groups C09D183/00 - C09D183/16
    • C09D4/06—Organic non-macromolecular compounds having at least one polymerisable carbon-to-carbon unsaturated bond in combination with a macromolecular compound other than an unsaturated polymer of groups C09D159/00 - C09D187/00
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B26/00—Compositions of mortars, concrete or artificial stone, containing only organic binders, e.g. polymer or resin concrete
    • C04B26/02—Macromolecular compounds
    • C04B26/04—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
    • C04B26/06—Acrylates
    • 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
    • C08F220/16—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms
    • C08F220/18—Esters of monohydric alcohols or phenols of phenols or of alcohols containing two or more carbon atoms with acrylic or methacrylic acids
    • C08F220/1804—C4-(meth)acrylate, e.g. butyl (meth)acrylate, isobutyl (meth)acrylate or tert-butyl (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
    • 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
    • C08F220/26—Esters containing oxygen in addition to the carboxy oxygen
    • C08F220/28—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety
    • C08F220/282—Esters containing oxygen in addition to the carboxy oxygen containing no aromatic rings in the alcohol moiety and containing two or more oxygen atoms
    • 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
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/40—Glass
    • 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
    • C08K5/04—Oxygen-containing compounds
    • C08K5/14—Peroxides
    • C—CHEMISTRY; METALLURGY
    • C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
    • C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
    • C09D133/00—Coating compositions based on homopolymers or 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 only one carboxyl radical, or of salts, anhydrides, esters, amides, imides, or nitriles thereof; Coating compositions based on derivatives of such polymers
    • C09D133/04—Homopolymers or copolymers of esters
    • C09D133/06—Homopolymers or copolymers of esters of esters containing only carbon, hydrogen and oxygen, the oxygen atom being present only as part of the carboxyl radical
    • C09D133/062—Copolymers with monomers not covered by C09D133/06
    • C09D133/066—Copolymers with monomers not covered by C09D133/06 containing -OH groups
    • C—CHEMISTRY; METALLURGY
    • C04—CEMENTS; CONCRETE; ARTIFICIAL STONE; CERAMICS; REFRACTORIES
    • C04B—LIME, MAGNESIA; SLAG; CEMENTS; COMPOSITIONS THEREOF, e.g. MORTARS, CONCRETE OR LIKE BUILDING MATERIALS; ARTIFICIAL STONE; CERAMICS; REFRACTORIES; TREATMENT OF NATURAL STONE
    • C04B2111/00—Mortars, concrete or artificial stone or mixtures to prepare them, characterised by specific function, property or use
    • C04B2111/54—Substitutes for natural stone, artistic materials or the like

Definitions

  • MMA resins are primarily used in molds for outdoor weatherable stone materials or kitchen countertops.
  • a process is used in which the material is compacted in the form of a very easily pourable mass on resin and fillers in the mold by shaking and free of air bubbles and cures two-component, depending on the accelerator system either at room temperature or at elevated temperature.
  • the present invention relates to such a resin, which is odorless and can be applied with only very low emissions and also has a very good pourability in highly filled compositions.
  • the present invention relates to a resin for producing artificial stones, which contains as a monomer component a high-boiling (meth) acrylate.
  • PES-styrene resins are primarily used for indoor decorative applications where UV stability is not required.
  • the advantage of using the PES / styrene system lies in particular in a lower vapor pressure, which makes it possible to achieve significantly higher filling levels, which are not achievable with a shaking method due to the lower flowability of such materials.
  • These high levels of filling are indispensable, especially for decorative applications, since it is better to reproduce natural-like structures. In order to make these masses air-free, they are therefore subjected to a vacuum step, which leads to the loss of the reactive monomer when using MMA resins and thus to a failure of the system.
  • PES-styrene resins have the major disadvantage of very reduced UV resistance. This not only plays a role in outdoor applications, but also leads to negative appearances even in a long-term application in a window area.
  • the UV-stable methacrylate resins have the problem that inorganic coarse fillers are difficult to incorporate here, and that in the Curing of the resin due to the high vapor pressure of the monomer phase of the resin bubbles form. In most cases, therefore, there is a very uneven distribution of coarse fillers in the final product, as well as pores on the surface, and thus an unnatural-looking appearance.
  • a resin based on polyesters and a mixture of styrene and methyl methacrylate (MMA) is described for example in GB 2 237 578.
  • a system based on PMMA, crosslinkers and methacrylate monomers can be found in JP 091 94 673, JP 102 79 698 and JP 2005 132 864.
  • EP 1 905 749 describes a method for the production of methacrylic resin-based artificial stones to solve this problem.
  • the fillers and the resin are mixed into a mold prior to filling and compacted after filling in the mold and before curing by means of vibratory compression.
  • EP 1 878 712 or CN 101 474 827 the degassing of methacrylate resins in the production of artificial stones can be effected by shaking the mold.
  • EP 0 229 221 proposes to additionally vent the composition before compressing by means of an applied vacuum and thus to reduce the formation of bubbles.
  • EP 0 229 221 proposes to additionally vent the composition before compressing by means of an applied vacuum and thus to reduce the formation of bubbles.
  • CN 101 362 829 proposes to use a 2-component initiator system which initiates the curing already at room temperature and additionally removes volatile components in vacuo.
  • a 2-component initiator system which initiates the curing already at room temperature and additionally removes volatile components in vacuo.
  • an active initiator system will address handling issues related to open time in which the Casting and shaping must be done.
  • the methacrylates described also lead to a relevant emission at room temperature.
  • JP 102 92 015 explicitly proposes, in order to avoid the formation of bubbles, to deaerate a methacrylate resin in a vacuum after mixing with the fillers and then adding the hardener system and before molding by injection molding. In this way, a bubble-free product with good appearance can be achieved.
  • a relevant amount of emissions during processing and, consequently, sales problems, which occur in particular at low fill levels, and the other disadvantages mentioned, such as an unnatural-looking appearance of the final product remain.
  • the object of the present invention is to provide a composition for the production of artificial stones, containing a reaction resin, which leads to a UV-stable, bubble-free product with good appearance and is to be used almost odor-free and low-emission during processing.
  • composition does not change by emissions during processing into an artificial stone in such a way that it comes to problems in the curing and / or settling problems and the final product has a natural appearance.
  • the artificial stones produced from this composition should be particularly durable and have a good appearance over a long period of time.
  • the composition should leave many degrees of freedom open with respect to the appearance to be achieved, in particular with regard to colors, number and shape of the inclusions and surface texture.
  • the object at the same time was to provide an optimized process for the production of artificial stones from this composition.
  • this method should be simple, quick and safe to carry out.
  • the objects are achieved by providing a novel KIT for the production of artificial stones, containing a (meth) acrylate-based reaction resin, a hardener system and fillers, wherein the reaction resin monomers having cyclic radicals having at least 2 oxygen atoms.
  • the kit according to the invention contains 5 to 50% by weight of a reaction resin, 0.0% to 5% by weight of accelerator or initiator and 50 to 94.9% by weight of fillers.
  • the reaction resin again has the following ingredients:
  • crosslinker preferably 0.1 to 10% by weight, particularly preferably 0.5 to 5% by weight of dimethacrylate
  • the minimum concentration of initiator in the kit is 0.1, preferably 0.5% by weight.
  • the preferred minimum amount of accelerator, in the case where one is used is 0.1% by weight, preferably 0.5% by weight.
  • kit composition there are especially two preferred ones
  • the kit contains 8 to 15% by weight of the reaction resin, 0.5 to 4% by weight of accelerator or initiator, and 80 to 92.5% by weight of fillers.
  • composition is in particular for the below described, as it were
  • the kit contains 25 to 40% by weight of the reaction resin, 0.5 to 4% by weight of accelerator or initiator, preferably only initiators, and 56 to 74.5% by weight of fillers.
  • a composition is particularly suitable after curing for further processing by deep drawing.
  • a kit for the production of artificial stones which contains a (meth) acrylic-based reaction resin, which such a low vapor pressure or a high boiling point of the volatile constituents and at the same time an approximately equal glass transition temperature of the formed matrix material such as PMMA has found.
  • a kit is surprisingly easy and safe to use and thus opens up new applications for the production of particularly weather-resistant artificial stones.
  • these artificial stones which were prepared from the kit according to the invention, sufficiently solid and temperature-stable artificial stone masses that do not lose their reactivity in the manufacturing process even when applying a vacuum to remove air bubbles and hardly suffer loss of mass.
  • crosslinkers it may be particularly preferred
  • polyfunctional methacrylates such as allyl (meth) acrylate act.
  • di or tri (meth) acrylates such as, for example, 1, 4-butanediol di (meth) acrylate,
  • Trimethylolpropane tri (meth) acrylate is particularly preferably between 1 and 8% by weight and very particularly preferably between 2 and 6% by weight.
  • Component b) is preferably an ester of (meth) acrylic acid with an acetal, ketal or carbonate of glycerol. Equally preferably, component b) may be an ester of (meth) acrylic acid with a substituted glycerol or trimethylolpropane. In particular, component b) is preferably monomer of the general structural formula (1) or (2):
  • Component b) is particularly preferably a glycerol formal (meth) acrylate, a trimethylolpropane formal (meth) acrylate or an isopropylidene glycerol (meth) acrylate (solketal methacrylate).
  • the polymers of component c) are used to improve the polymerization properties, the mechanical properties and the optical requirements of the products produced from the kit.
  • the polymer content of the reaction resin in this embodiment is preferably between 10 and 25% by weight, more preferably between 15 and 20% by weight.
  • the polymers used, and in particular the poly (meth) acrylates preferably used, may have additional functional groups for adhesion promotion or for copolymerization in the crosslinking reaction, for example in the form of double bonds. However, in view of a better color stability of the end product, the prepolymers have no double bonds.
  • Said poly (meth) acrylates are generally composed of the same monomers as listed below with respect to the monomers in the reaction resin according to component d). They can be obtained by solution, emulsion, suspension, bulk or precipitation polymerization and are added to the system as a pure substance. Said polyesters are obtained in bulk via polycondensation or ring-opening polymerization and are composed of the components known for these applications.
  • the further monomers of component d) which are contained in the reaction resin are more preferably compounds selected from the group of (meth) acrylates.
  • (meth) acrylates such as methyl (meth) acrylate, ethyl (meth) acrylate, n-butyl (meth) acrylate, 2-ethylhexyl (meth) acrylate, hydroxyethyl (meth) acrylate, stearyl (meth) acrylate, benzyl (meth) acrylate or lauryl (meth) acrylate.
  • miscible monomers such as itaconic acid, methacrylamides, 1-alkenes or styrenes may also be present in component c) with (meth) acrylates.
  • the reaction resin preferably contains not more than 10% by weight, preferably not more than 5% by weight and particularly preferably not more than 2% by weight, of (meth) acrylates having radicals of from 1 to 6 carbon atoms.
  • (meth) acrylates having radicals of from 1 to 6 carbon atoms.
  • Only preferred is a composition containing no further monomers except component b) and any crosslinkers a).
  • macromolecular monomers such as mono (meth) acrylates of polyethers, e.g. Polyethylene glycols or polypropylene glycols are used.
  • Alternative macromolecular monomers as component c) are urethane (meth) acrylates. These are understood in the context of this invention as compounds which have (meth) acrylate functionalities which are linked to one another via urethane groups. They are e.g. by the reaction of hydroxyalkyl (meth) acrylates with polyisocyanates and polyoxyalkylenes having at least two hydroxy functionality.
  • a commercially available example prepared from polyols, isocyanates and hydroxy-functional methacrylates is EBECRYL 210-5129 from UCB Chemicals.
  • components c) and d) are appropriately selected in terms of proportion and composition with regard to the desired technical function.
  • the fillers included in the kit are, in particular, mineral fillers, sands, polymer flakes, fibers, pebbles, stones, marbles, quartz, aluminum hydroxide, corundum, cristobalites, aluminum silicates, clay pieces, shards, whole or pieces of shell shells and / or dried ones Fruit.
  • the fillers are particularly preferably polymer flakes, quartz, aluminum hydroxide and / or marble. These said fillers are in particular as coarse fillers that reflect the optical effect of a stone surface due to their size. Such coarse fillers may be present in a size between 0.1 and 10 cm, in particular between 0.1 and 5 cm.
  • the kit may also contain fine fillers as a proportion of the fillers.
  • the fine fillers lead to a natural appearance of the matrix material surrounding the coarse fillers, which is formed, in particular, from the hardened reaction resin.
  • kit does not cure before molding, but rather begins the polymerization of components b) and optionally d) after filling or, less preferably, during or just before filling for molding.
  • the initiator or initiators are preferably part of the kit, but not of the reaction resin. Thus, they are brought together with the monomers of the reaction resin just prior to processing, and e.g. activated after shaping by a temperature increase to a temperature above the decomposition temperature of the initiator.
  • the invention is also practicable if such an initiator is part of the reaction resin.
  • Suitable initiators are, above all, peroxides and azo initiators, in particular one or more peroxides.
  • Particularly suitable initiators for such an embodiment of the invention are tert-butyl per-2-ethylhexanoate, tert-butyl perpivalate, dilauroyl peroxide and / or dibenzoyl peroxide. Combinations of two or more initiators can be used in particular.
  • the initiator or initiators are part of the kit, but not the reaction resin.
  • the reaction resin then contains an accelerator, which leads, for example, even at room temperature in merging with the initiator, to its decomposition.
  • the accelerators are preferably one or more amines, particularly preferably a tertiary, aromatic substituted amine or when using permalcates with mercaptans.
  • a third embodiment is very similar to the second embodiment, except that here the initiator or initiators are part of the reaction resin and the accelerator or accelerators are separate from the reaction resin component of the kit.
  • tertiary aromatic substituted amines such as in particular N, N-dimethyl-p-toluidine, N, N-bis (2-hydroxyethyl) -p-toluidine or N, N-bis - (2-hydroxypropyl) -p-toluidine called.
  • the reaction resin according to the invention may contain up to 5% by weight, preferably up to 4% by weight and most preferably up to 2.5% by weight of an accelerator.
  • Transition metal compounds especially cobalt compounds such as cobalt bis-2-ethylhexanoate.
  • additives such as stabilizers, e.g. UV stabilizers, inhibitors or regulators may be included.
  • the individual components may contain other auxiliaries such as defoamers, rheology additives, leveling agents, wetting and / or dispersing agents and anti-settling agents.
  • mercaptans such as n-dodecyl mercaptan
  • polyhydric mercapto compounds such as pentaerythritol tetrathioglycolate.
  • UV stabilizers can be used.
  • the UV stabilizers are selected from the group of benzophenone derivatives,
  • Substituted phenols, hydroquinone derivatives, phosphines and phosphites are preferably used from the group of stabilizers or inhibitors.
  • the following components may optionally also be included in the formulations: Wetting, dispersing and leveling agents are preferably selected from the group of alcohols, hydrocarbons, glycol derivatives, derivatives of glycolic esters,
  • rheology additives are preferably polyhydroxycarboxylic acid amides,
  • Urea derivatives salts of unsaturated carboxylic acid esters, alkylammonium salts of acidic phosphoric acid derivatives, ketoximes, amine salts of p-toluenesulfonic acid, amine salts of sulfonic acid derivatives and aqueous or organic solutions or mixtures of the compounds used. It has been found that rheology additives based on pyrogenic or precipitated, optionally also silanized, silicas having a BET surface area of 10-700 nm 2 / g are particularly suitable.
  • Defoamers are preferably selected from the group of alcohols,
  • Hydrocarbons paraffinic mineral oils, glycol derivatives, derivatives of
  • reaction resin Preparation of the reaction resin by mixing and homogenizing, b. Adding the fillers to the reaction resin and re-homogenizing, c. Addition of the initiator or accelerator, depending on which of the components is not contained in the reaction resin and subsequent stirring,
  • Resin composition and the initiator system used are used. Depending on the composition, the mixing process of process step c. for example, under 10 minutes or even over several hours. An optimal execution time of step c. is easy to determine for the expert.
  • Process step c. be performed. When using systems that are initiated at room temperature, this is absolutely necessary. For systems through
  • Temperature supply can be activated and usually do not contain an accelerator, this rapid processing should still be done, since so settling of the fillers is avoided.
  • the molds to be used are known from the prior art for the production of artificial stones and are therefore relatively freely designable.
  • Degassing and simultaneous compaction in process step e. is preferably carried out with shaking the mold. In this way, the degassing is particularly preferred. Further preferably, the degassing takes place at a pressure of less than 0.6 bar.
  • the curing of the resin is then carried out at a temperature above the
  • Decay temperature of the initiator system is. Such temperatures may e.g. depending on
  • Initiator especially vary greatly depending on the peroxide.
  • curing already begins in process step c.
  • there is still an open time e.g. 10 to 30 minutes, within which the
  • Process steps c, d. and optional e. should be carried out.
  • the mold can then optionally be cooled and the finished artificial stone removed.
  • the kit according to the invention or the molded parts produced from this kit can be used many times. So this kit is especially suitable for the production of artificial stones. Such artificial stones, which were prepared from the kit according to the invention are nevertheless part of the present invention.
  • these artificial stones according to the invention can be used in a variety of ways. Examples include uses as a decorative piece, worktop, wall cladding, tile, floor slab, windowsill, clinker, tombstone, in the sanitary area or for the production of moldings.
  • the kit may be processed using methods other than those described. Such processing may, for example, be the production of plates for further processing by means of deep-drawing.
  • an embodiment of the kit without accelerator is preferably selected. The activation by means of temperature increase then takes place directly after or during the filling into a mold.
  • the kit according to the invention and in particular the artificial stones produced therefrom are distinguished by very good properties, such as longevity, mechanical properties, abrasion resistance and high UV resistance.
  • the systems according to the invention are distinguished from the prior art by a particularly low odor formation or release of volatile components during processing and shortly after the production of the artificial stones.
  • the coformulation of component b) makes it possible to completely dispense with the choice of other monomers in particular to strongly odor-forming monomers such as ethyl acrylate or even MMA without deteriorating the remaining properties of the artificial stones.
  • the polymer components used were Degalan LP 66/02 (Evonik Röhm). This is a suspension polymer containing methyl methacrylate and n-butyl methacrylate and having a weight average molecular weight M w between 50,000 and 80,000 g / mol (determined by SEC against PMMA standards). The reaction resin contained 18% by weight of this polymer.
  • reaction resin constituents are heated to 65 ° C. by means of a magnetic stirrer and heating
  • a reactive raw material is obtained from this reaction resins by adding fillers and optionally further accelerators while stirring with a rod stirrer.
  • a pigment and subsequently fillers are added thereto and homogenized at room temperature.
  • the pigments used were either heuconine tomato red G10138 (manufacturer Heubach) or foliage green RAL 6002 (manufacturer Deifel GmbH).
  • This reactive raw material is subsequently cured by adding an accelerator or initiator or by raising the temperature. During curing, a temperature rise can be observed. The viscosity of the raw material would be sufficiently low at this time, regardless of the initiator system, to realize casting into a mold.
  • the initiator is stirred for at least 1 min. From this mixture then each an aluminum dish, filled with a bottom diameter of 78mm, each with 20 g and 40 g. These two aluminum dishes are then placed for degassing in an Ex vacuum oven and degassed there at RT and a vacuum of ⁇ 50 mbar for half an hour at 30 ° C. After degassing, the aluminum trays are sealed with aluminum foil and placed in a climatic chamber at 80 ° C for one hour, after which curing is complete.
  • Example 1 The assembled kit had (without initiator components) the following composition: 44.4% by weight of the reaction resin
  • the initiator used is 2% of tert-butyl peroxomaleinate (peroxide PM25 from Pergan). This component was added to the reaction resin.
  • the assembled kit had (without initiator components) the following composition: 25.0% by weight of reaction resin

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

Abstract

Les résines MMA s'utilisent préférentiellement dans des moules de coulées servant à produire des matériaux à base de pierre résistant aux intempéries à l'extérieur ou des plans de travail pour la cuisine. Pour cela, on utilise un processus dans lequel le matériau sous la forme d'une masse très facile à couler est densifié par secouage sur la résine et les charges dans le moule de coulée et ainsi débarrassé des bulles d'air puis durci à deux composants, selon le système d'accélérateur, soit à la température ambiante, soit à température élevée. La présente invention concerne une telle résine, qui peut être appliquée sans odeurs et seulement avec de très faibles émissions et qui possède une très bonne aptitude à la coulée même dans le cas de compositions à haute teneur en charge. En particulier, la présente invention concerne une résine, servant à produire de la pierre reconstituée, qui contient en tant que composant monomère un (méth)acrylate à haut point d'ébullition.
PCT/EP2014/077683 2013-12-19 2014-12-15 Liant réactif à haut point d'ébullition pour la fabrication de pierre reconstituée WO2015091318A1 (fr)

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Cited By (8)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
WO2017153764A1 (fr) * 2016-03-09 2017-09-14 Lucite International Uk Limited Composition pour pierre synthétique
EP3882291A1 (fr) * 2020-03-17 2021-09-22 fischerwerke GmbH & Co. KG Systèmes de fixation en résine comprenant un diluant réactif mono fonctionnel, leur production et utilisations
EP3889121A1 (fr) 2020-04-03 2021-10-06 Perspex International Limited Composition pour pierre synthétique et pierre fabriquée à partir de cette composition
US11714361B2 (en) 2021-07-27 2023-08-01 Xerox Corporation Toner
US11834580B2 (en) 2021-07-27 2023-12-05 Xerox Corporation Ink composition with pH responsive resin particles
US11919982B2 (en) 2021-12-09 2024-03-05 Xerox Corporation Latexes with phosphoric acid functional resin particles
US11952448B2 (en) 2021-07-27 2024-04-09 Xerox Corporation Organic additives and compositions containing the same
US11952451B2 (en) 2021-07-27 2024-04-09 Xerox Corporation Latexes with pH responsive resin particles

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EP3889121A1 (fr) 2020-04-03 2021-10-06 Perspex International Limited Composition pour pierre synthétique et pierre fabriquée à partir de cette composition
WO2021198441A1 (fr) 2020-04-03 2021-10-07 Perspex International Limited Composition pour pierre synthétique et pierre synthétique fabriquée à partir de celle-ci
US11714361B2 (en) 2021-07-27 2023-08-01 Xerox Corporation Toner
US11834580B2 (en) 2021-07-27 2023-12-05 Xerox Corporation Ink composition with pH responsive resin particles
US11952448B2 (en) 2021-07-27 2024-04-09 Xerox Corporation Organic additives and compositions containing the same
US11952451B2 (en) 2021-07-27 2024-04-09 Xerox Corporation Latexes with pH responsive resin particles
US11919982B2 (en) 2021-12-09 2024-03-05 Xerox Corporation Latexes with phosphoric acid functional resin particles

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