CN101163651B - Artificial marble using low specific gravity material as chip and process for preparing the same - Google Patents
Artificial marble using low specific gravity material as chip and process for preparing the same Download PDFInfo
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- CN101163651B CN101163651B CN2006800013734A CN200680001373A CN101163651B CN 101163651 B CN101163651 B CN 101163651B CN 2006800013734 A CN2006800013734 A CN 2006800013734A CN 200680001373 A CN200680001373 A CN 200680001373A CN 101163651 B CN101163651 B CN 101163651B
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Images
Classifications
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- 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
- C04B20/00—Use of materials as fillers for mortars, concrete or artificial stone according to more than one of groups C04B14/00 - C04B18/00 and characterised by shape or grain distribution; Treatment of materials according to more than one of the groups C04B14/00 - C04B18/00 specially adapted to enhance their filling properties in mortars, concrete or artificial stone; Expanding or defibrillating materials
- C04B20/10—Coating or impregnating
- C04B20/1018—Coating or impregnating with organic materials
- C04B20/1029—Macromolecular compounds
- C04B20/1033—Macromolecular compounds obtained by reactions only involving carbon-to-carbon unsaturated bonds
-
- 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
- C04B14/00—Use of inorganic materials as fillers, e.g. pigments, for mortars, concrete or artificial stone; Treatment of inorganic materials specially adapted to enhance their filling properties in mortars, concrete or artificial stone
- C04B14/02—Granular materials, e.g. microballoons
- C04B14/36—Inorganic materials not provided for in groups C04B14/022 and C04B14/04 - C04B14/34
-
- 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
- C04B2111/542—Artificial natural stone
- C04B2111/545—Artificial marble
Abstract
Disclosed are an artificial marble using chips made of a low specific gravity material via a lamination or crunch technique to realize a natural stone-like texture, and a process for preparing the artificial marble. In one example, a high specific gravity layer containing a high specific gravity inorganic filler is laminated on a low specific gravity layer made of a low specific gravity material to form a flat board, and then, the flat board is crushed to produce chips. In another example, low specific gravity regions made of a low specific gravity material is coated with a high specific gravity slurry containing a high specific gravity inorganic filler, to produce crunch chips. Thereby, a low specific gravity material, which could not be used conventionally, is applicable to the artificial marble, so as to achieve an outer appearance remarkably similar to a texture of natural marbles.
Description
Technical field
The present invention relates to a kind of small pieces that comprise low specific gravity material (have 0.2～2.0 proportion) by use and prepare, with the artificial marble of the texture of realizing the natural stone sample; And prepare this method for imitation marble.More specifically, the present invention relates to a kind of artificial marble, wherein use out of use low specific gravity material in the conventional artificial marble, have hyperbaric relatively artificial marble small pieces to constitute, so that obtain the texture closely similar with natural stone by lamination or crushing technology (crunch technique); And prepare this method for imitation marble.
Background technology
Generally speaking, artificial marble is meant by mixing with natural stone-powder and mineral with resin Composition (acrylic resin, unsaturated polyester, Resins, epoxy etc.) or cement, and the synthetic product that the various pigment of adding and additive prepare with the texture of realization natural stone sample in mixture.Typical artificial marble comprises acrylic synthetic marble, unsaturated polyester artificial marble, engineered stone artificial marble (engineered stone artificial marble) etc.
Here, the engineered stone artificial marble is by natural stone-powder, quartz, glass, mica (mirror), aluminium hydroxide etc. are made as main raw and 15 weight % or mixed with resin still less, and is called " E-stone " hereinafter.
Modal artificial marble has solid color usually or only uses the simple outward appearance of small pieces color seldom.The research of the artificial marble of many exploitation imitating natural marble outward appearances is being carried out.
Just as is known, as the low specific gravity material of acryhic material etc. when using separately since the proportion difference can rise to above the slurry.Therefore, in the situation of being made small pieces by low specific gravity material, they can present with other and have separating of relative hyperbaric small pieces, thereby can't make artificial marble realize required superficial makings.Reason for this reason, by convention, low specific gravity material can not be used for the preparation of artificial marble.
Korean Patent Publication No. 2004-59913 discloses a kind of acrylic synthetic marble, it is characterized in that using special small pieces, and wherein each small pieces contains the small pieces (being called " small pieces in the small pieces " (chip-in-chip)) of various different colours.Yet disclosed acrylic synthetic marble is to have the simple combination of the material of similar proportion for color effects mutually, and owing to comprising the problem that mineral filler has low transparency in its matrix material.
Korean patent registration No. 376605 discloses a kind of artificial marble plate that comprises small pieces.In disclosed artificial marble plate, the various small pieces that have different specific weight and color mutually with low, in and the high specific gravity small pieces mode that is scattered in front surface, middle portion and the back side of described plate disperse, thereby make the variation on pattern and color of prepared plate.Yet proposed of above-mentioned patent separated each layer by the proportion of distinguishing small pieces, and it is different from the present invention.
Korean patent registration No. 491874 discloses a kind of artificial marble, it comprises: (A) slurry of artificial marble of 100 weight parts, wherein contain 100 parts by weight of acrylic paste resins, the mineral filler of 120～200 weight parts, the polymerization starter of 2～10 parts by weight of cross-linking agent and 0.1～10 weight part, and (B) the marble small pieces of 5～70 weight parts, it contains 100 parts by weight of acrylic paste resins, the mineral filler of 100～150 weight parts, the polymerization starter of 2～10 parts by weight of cross-linking agent and 0.1～10 weight part, wherein the mixture ratio of mineral filler in slurry of artificial marble is than high 20～50 weight parts in the marble small pieces.Yet, owing in the marble small pieces, added mineral filler, the transparency deteriorates of disclosed artificial marble in the above-mentioned patent.
Japanese patent registration numbers 3648592 discloses a kind of artificial marble that uses the various small pieces that have different shapes and proportion each other.Above-mentioned patent is with to use low specific gravity material as proposed by the present invention irrelevant to increase material proportion.
Japanese patent registration numbers 3685116 discloses and has a kind ofly contained the artificial marble of thermosetting resin as the resin compound preparation of main component by heating and sclerosis.Disclosed artificial marble is characterised in that its front surface is to be formed by non-foaming artificial marble layer, and its back side is formed by the foaming artificial marble layer that has than non-foaming artificial marble layer less dense.In above-mentioned patent under the situation of disclosed invention, though demonstrate the improvement of fixed installation and recirculation, cutting and other processing owing to the foaming layer at the described artificial marble back side makes this artificial marble, it is with to use low specific gravity material as proposed by the present invention irrelevant to increase material proportion.
Japanese patent application publication No. 1999-343156 discloses a kind of lightweight synthetic marble, its by with the slurry of artificial marble of 100 weight parts and 20～180 weight parts have 0.5～1.5 proportion and 3mm or more the foaming inorganic particulate material of harmonic(-)mean particle diameter mix and heating and this mixture of polymerization and prepare.Japanese patent application publication No. 2001-335382 discloses a kind of lightweight synthetic marble matrix material, and it comprises: 10～65wt%'s contains methyl methacrylate as the polymerizable components of main component, the mineral filler of 30～85wt% and the organic hollow filler with 0.05～0.7 proportion and 10～300 μ m median sizes of 0.1～10wt%.Above-mentioned patent only relates to the reduction of artificial marble weight, and with to use low specific gravity material as proposed by the present invention irrelevant to increase material proportion.
Summary of the invention
Technical problem
Therefore, made the present invention in view of the above problems, and the purpose of this invention is to provide a kind of artificial marble, the multiple low specific gravity material that wherein is applicable to the texture that obtains natural marble-like can be used for constituting the artificial marble small pieces, these artificial marble small pieces have and the similar proportion of relative hyperbaric other monochromatic small pieces proportion, so as the superficial makings that acquisition and natural stone are closely similar and the physical properties of high stability, and do not have and the isolating risk of high specific gravity small pieces; And prepare this method for imitation marble.
Technical scheme
According to an aspect of the present invention, above-mentioned and other purpose can realize by proposing a kind of artificial marble with background area and small pieces, and wherein these small pieces comprise the high specific gravity small pieces that make than the low low specific gravity material of background area proportion and the high specific gravity material higher than background area proportion by using.
First embodiment of the invention, each high specific gravity small pieces can comprise: the high specific gravity layer that forms by the high specific gravity material, to have the proportion higher than background area proportion; And the low specific gravity layer that forms by low specific gravity material, to have the proportion lower than background area proportion.
According to a second embodiment of the present invention, each high specific gravity small pieces can comprise: the high specific gravity zone that forms by the high specific gravity material, to have the proportion higher than background area proportion; And the low-gravity zone that forms by low specific gravity material, having the proportion lower than background area proportion, and this low-gravity zone can be uniformly distributed in high specific gravity zone as a setting.
In the present invention, because high specific gravity material (have 2.0 or higher proportion) is added in the low specific gravity material (have 0.2～2.0 proportion), this artificial marble can by use have to be included in artificial marble in the high specific gravity small pieces of the similar proportion of small pieces of solid color substantially prepare.
The high specific gravity small pieces mean by will the high specific gravity filler adding the small pieces that obtain in the low specific gravity material, thus obtain to be included in artificial marble in the similar proportion of small pieces proportion of solid color substantially.
The present invention proposes to give the low specific gravity material high specific gravity by lamination or crushing technology.Particularly, the low specific gravity layer that is made by low specific gravity material and the high specific gravity layer that is made by the high specific gravity material can be by laminations and monoblock type forms, perhaps the low-gravity zone can be contained the height ratio heavy sizing of high specific gravity filler by the coating of crushing technology, so that the small pieces of preparation crushing shape.Use lamination or crushing technology, can give low specific gravity material, thereby eliminate and the different problem of artificial marble proportion of using the high specific gravity small pieces high specific gravity.
Preferably, the proportion of each high specific gravity small pieces can equal to use the proportion of matrix material of the artificial marble of high specific gravity small pieces, perhaps can have ± 0.2 or lower difference in specific gravity.
Difference in specific gravity between the matrix material that is characterized as the artificial marble that has reduced the high specific gravity small pieces and used described small pieces of the present invention.When high specific gravity small pieces and matrix material do not have difference in specific gravity, promptly have equal specific gravity mutually, or difference in specific gravity is lower than at 0.2 o'clock, then can there be separating of small pieces and matrix material.
In order to obtain and quartz and the suitable high-clarity of high-purity silicon dioxide that is contained in the natural stone, the inventor has attempted and will introduce in the matrix material of artificial marble, so that obtain the close artificial marble of pattern and color and natural stone as the transparent low specific gravity material of acrylic resin.Yet in order to keep the transparency of low specific gravity material, they remove filler mistake.When the low specific gravity material that will have platelet morphology is introduced in the artificial marble, cause the separation of small pieces owing to the difference of proportion.
Usually, Plastic Resin is for having 1.5 or more low-gravity low specific gravity material.For example, transparent acrylic resin as polymethylmethacrylate (PMMA), has about 1.7～1.20 proportion.But the matrix material of artificial marble has about 1.4～1.8 proportion usually.
Because the difference of specific gravity between the matrix material of transparent resin and artificial marble, when the transparent small pieces that will be made by transparent resin were introduced in the artificial marble, transparent little sector-meeting separated from artificial marble.Do not have 1.6 or higher hyperbaric transparent polymer because do not exist, be difficult to use transparent small pieces to prepare artificial marble at present.
In the present invention, the high specific gravity small pieces that comprise the transparent low specific gravity material by preparation, difference of specific gravity between the matrix material of small pieces and artificial marble is minimized, thus the outward appearance of giving artificial marble natural quartz sample, and do not have the risk of transparent low specific gravity material separation.
Preferably, total proportion of high specific gravity small pieces is 1.3～2.0, and more specifically is 1.6～1.8, and this proportion to the matrix material of artificial marble is similar.In order to obtain the proportion of high specific gravity small pieces, the proportion in high specific gravity layer or high specific gravity zone can be preferably 1.5～10, and more specifically is 2.0～5.0.Equally, the proportion in low specific gravity layer or low-gravity zone can be 0.2～2.0, and more specifically is 1.5 or lower.
Described low specific gravity layer or low-gravity zone can form to have 70～100%, is preferably 95% or the transparent layer or the transparent small pieces of higher transmittance.Conventional small pieces comprise the filler as aluminium hydroxide, and for having 60% or the translucent small pieces of low-transmittance more.Even be noted that under the condition of constant transmittance and can increase transparent effect by regulating thickness.
Employed base resin can be transparent fluoropolymer resin in high and low specific gravity layer or high and low-gravity zone, for example acrylic resin, unsaturated polyester resin, Resins, epoxy, polyvinyl chloride (PVC), polystyrene (PS), polycarbonate (PC), polyethylene terephthalate (PET) and vinylbenzene-methyl methacrylate (SMMA) copolymer resin etc.Preferred, this low specific gravity layer or low-gravity zone can use acrylic resin to form transparent vinylformic acid small pieces as base resin.
According to the present invention, can be applicable to high specific gravity layer or high specific gravity zone because have the clear acrylic small pieces of high transmission rate and good physical properties, it can be when the post-treatment that carries out as mold and grinding and obtain the outward appearance of natural quartz sample, and this is usually because difference of specific gravity and can't implementing.
In the present invention, high specific gravity layer or high specific gravity zone comprise the filler of the proportion of regulating low specific gravity layer or low-gravity zone.Suitably the example of filler can comprise barium compound, coal, stone flour, silicon-dioxide, titanium dioxide, aluminium hydroxide, lime carbonate, metal powder and metal-salt.The proportion of described filler is necessary at least 2.5, and is preferably 2.5～10.In order to increase the proportion regulating effect with low usage quantity, it is favourable using the high specific gravity filler.
Under situation according to the final artificial marble of first embodiment of the invention, can remove high specific gravity layer by frosted, so that low specific gravity layer is exposed to the artificial marble outer surface, thereby relies on transparent low specific gravity layer and obtain unique artificial marble outward appearance.
Under situation according to the final artificial marble of second embodiment of the invention, can partly remove the high specific gravity zone by frosted, so that the low-gravity zone is exposed to the artificial marble outer surface, thereby relies on transparent low-gravity zone and obtain unique outward appearance.
The shape of high specific gravity small pieces is not particularly limited, and for example, it can have cylindrical shape or comprise the polyhedron-shaped of tetrahedron shape, hexahedral shape etc.Usually, the high specific gravity small pieces have hexahedral shape.
Consider its outward appearance and processing characteristics, the high specific gravity small pieces can have the size of 0.5mm～20mm, and based on the matrix material of the artificial marble of 100 weight parts, the add-on of high specific gravity small pieces can be 0.1～100 weight part.
Described artificial marble can be acrylic synthetic marble, unsaturated polyester artificial marble or engineered stone artificial marble.The engineered stone artificial marble can be by making natural stone-powder, quartz, glass, mica, aluminium hydroxide etc. as main raw and 15wt% or mixed with resin still less.
According to a further aspect in the invention, above-mentioned and other purpose can realize that this method comprises by proposing a kind of preparation method for imitation marble: preparation is used to form the flat board of the proportion low specific gravity layer lower than artificial marble; Preparation is used to form the flat board of the proportion high specific gravity layer higher than artificial marble, and the high specific gravity layer flat layer is pressed on above the low specific gravity layer flat board; The high specific gravity small pieces that laminated dull and stereotyped crushing comprised low specific gravity layer and high specific gravity layer with preparation; And with in the high specific gravity small pieces introducing artificial marble.
According to another aspect of the invention, above-mentioned and other purpose can be finished by proposing a kind of preparation method for imitation marble, and this method comprises: preparation is used to form the small pieces in the proportion low-gravity zone lower than artificial marble; The matrix material in the high specific gravity zone that these low-gravity zone small pieces are higher than artificial marble with being used to form proportion mixes; Mixture is configured as has writing board shape; And the crushing flat board that has been shaped comprises the high specific gravity small pieces in the low-gravity zone in the high specific gravity zone that is uniformly distributed in as a setting with preparation; And with in the high specific gravity small pieces introducing artificial marble.
Can be by regulate adding the proportion and the quantity of the filler in high specific gravity layer flat board or the high specific gravity region composite material, equate with the matrix material of artificial marble or be close and the proportion of high specific gravity small pieces is adjusted to.
According to first embodiment of the invention, can be by regulating the thickness of the dull and stereotyped and low specific gravity layer flat board of high specific gravity layer, equate with the matrix material of artificial marble or be close and the proportion of high specific gravity small pieces is adjusted to.By the adjusting of thickness, can prevent the separation between high specific gravity layer and the low specific gravity layer.
According to second embodiment of the invention, be used to form in the dull and stereotyped process of high specific gravity small pieces in preparation, the thickness that is used for dull and stereotyped mould can be adjusted to close with the maximum diameter of low-gravity zone small pieces.These small pieces that can prevent to be used to form the low-gravity zone are effectively assembled in high specific gravity crushing small pieces.
According to first embodiment of the invention, after the artificial marble sclerosis, by frosted high specific gravity layer is partly or completely removed, thereby low specific gravity layer is exposed to the artificial marble outer surface.This helps obtaining by transparent low specific gravity layer the outward appearance of artificial marble uniqueness.
According to second embodiment of the invention, after the artificial marble sclerosis, by frosted the high specific gravity area part is removed, thereby the low-gravity zone is exposed to the artificial marble outer surface.This helps obtaining by transparent low-gravity zone the outward appearance of artificial marble uniqueness.
Each flat board can harden by injection molding, pressing (press method), vibrator method (vibratormethod) or UV hardening process (UV curing method).
According to the present invention, by using proportion than the low material of slurry proportion that is used to prepare artificial marble, for example transparent acrylic resin prepares artificial marble and can use various materials, thus the closely similar outward appearance of texture of realization and natural marble.
Description of drawings
In conjunction with the accompanying drawings,, will more be expressly understood above and other objects of the present invention, feature and other advantage by following detailed description, wherein:
Fig. 1 is the sectional view according to the high specific gravity small pieces of first embodiment of the invention;
Fig. 2 is the sectional view of use according to the artificial marble of the high specific gravity small pieces of first embodiment of the invention;
Fig. 3 is the sectional view of the artificial marble shown in Fig. 2 after frosted;
Fig. 4 is the photo of explanation according to the artificial marble surface of first embodiment of the invention;
Fig. 5 is the sectional view according to the high specific gravity crushing small pieces of second embodiment of the invention;
Fig. 6 is the sectional view of use according to the artificial marble of the high specific gravity crushing small pieces of second embodiment of the invention;
Fig. 7 is the sectional view of the artificial marble shown in Fig. 6 after frosted;
Fig. 8 is the photo of explanation according to the artificial marble surface of second embodiment of the invention.
[explanation of accompanying drawing significant components reference number]
1: artificial marble
1a: background area
10: the high specific gravity small pieces
11: high specific gravity layer
12: low specific gravity layer
20: the solid color small pieces
Embodiment
The present invention now will be described hereinbelow in detail with reference to the accompanying drawings.
Fig. 1 is the sectional view according to the high specific gravity small pieces of first embodiment of the invention.As shown in Figure 1, high specific gravity small pieces 10 comprise low specific gravity layer 12 and high specific gravity layer 11.
Though high specific gravity small pieces 10 preferably have hexahedral shape, are not limited to this, it can have cylinder or tetrahedron shape etc.In addition, high specific gravity small pieces 10 can have rule or irregular shape.
The laminar structure of high specific gravity small pieces 10 is not limited to bilayer structure as shown in the drawing.In other words, high specific gravity small pieces 10 can have the multilayered structure that comprises a plurality of low specific gravity layer 12 and high specific gravity layer 11.Under the situation of multilayered structure, low specific gravity layer 12 and high specific gravity layer 11 can alternately be laminated at least a portion of high specific gravity small pieces 10.
Fig. 2 is the sectional view of use according to the artificial marble of the high specific gravity small pieces of first embodiment of the invention.As shown in Figure 2, artificial marble 1 comprises background area 1a and small pieces.The small pieces of described artificial marble 1 comprise according to the high specific gravity small pieces 10 of the present invention and the small pieces 20 of solid color substantially.
High specific gravity small pieces 10 are to be made than the background area low low specific gravity material of 1a proportion by proportion basically, but it also comprises the proportion high specific gravity material higher than background area 1a proportion, so that obtain high relatively proportion.Particularly, high specific gravity flakes 10 comprises the high specific gravity layer of being made by the proportion high specific gravity material higher than background area 1a proportion 11, and the low specific gravity layer of being made than the background area low low specific gravity material of 1a proportion by proportion 12.
As can be seen from Figure 2, high specific gravity small pieces 10 do not have difference of specific gravity basically with background area 1a, thus its can distribute equably and not with the small pieces 20 isolating risks of solid color substantially.Preferably, consider the improvement of artificial marble 1 outward appearance and simplify the preparation method that the proportion of high specific gravity small pieces 10 is a little more than the proportion of background area 1a, so that high specific gravity small pieces 10 reliable persons of modern times make the surface of marble 1 and distribute.High specific gravity small pieces 10 rely on its high specific gravity layer 11, have as shown in FIG. regularly arranged in the surface direction of artificial marble 1.
Fig. 3 is the sectional view of the artificial marble shown in Fig. 2 after frosted.Owing to partly or completely remove high specific gravity layer 11 by frosted, transparent low specific gravity layer 12 is exposed to the outside, thereby gives artificial marble unique and high-quality outward appearance.
Fig. 4 is the photo of explanation according to the artificial marble surface of first embodiment of the invention.Can determine to have and the closely similar outward appearance of the texture of natural marble according to the artificial marble of first embodiment of the invention by Fig. 4.
Preparation comprises the operation for preparing the high specific gravity small pieces according to the method for imitation marble of first embodiment of the invention, and the operation of using these high specific gravity small pieces to prepare artificial marble.The operation of preparation high specific gravity small pieces comprises operation, laminating operation and the crushing operation of preparation in order to the flat board that forms low and high specific gravity layer successively.
Be used to prepare the artificial marble flat board of high specific gravity small pieces by sclerosis such as polymerizing resin compound, mineral filler are obtained.In this article, it should be noted that the flat board that is used to form low specific gravity layer does not comprise mineral filler.
The flat board that is used to form low specific gravity layer is by making low specific gravity material (have 0.2～2.0 proportion) sclerosis to have writing board shape.Though all conventional transparent resins all can be used as low specific gravity material, consider physical properties and appearance effect, preferably as the high transparent resin of PMMA, PC etc.Transparent plate is unrestricted in their preparation method.
But, when transparent resin was used to constitute low specific gravity layer, problem was, because big with the difference of specific gravity of artificial marble matrix material, the low specific gravity layer that makes can be floating to the back side of artificial marble in process of setting, thereby can't give the outward appearance of product surface improvement.In this article, product surface is meant the surface that contacts with steel band, and the product back side is meant the surface that contacts with air.In order to address the above problem, the flat board that is used to form low specific gravity layer forms integral body with the high specific gravity layer of using the high specific gravity filler.
The slurry sclerosis of the polymerization starter of the mineral filler of the base resin slurry of the flat board that is used to form high specific gravity layer by will containing 100 weight parts, 50～1500 weight parts, 0.1～10 parts by weight of cross-linking agent, 0.1～10 weight part and the pigment of 0.1～5 weight part makes.
The mineral filler that is used for high specific gravity layer is high specific gravity material (have 2.0 or higher proportion), for example barium compound, coal, stone flour, SiO 2 powder etc.
The preparation of each flat board and lamination order are not limited to specific mode, and each flat board can harden by normally used mold, compacting, vibrator or UV method for curing etc.
Each height and low specific gravity layer can be and comprise two-layer or the multiwalled multilayer form.For example, single low specific gravity layer can form with one to three high specific gravity layer monoblock type.
Based on the selected size of high specific gravity small pieces, the thickness that it is necessary to regulate high and low specific gravity layer separates in the crushing process with low-gravity to prevent high specific gravity layer.
If dull and stereotyped preparation is finished and mutual lamination, then will be through laminated dull and stereotyped crushing with preparation high specific gravity small pieces.Therefore, artificial marble can make by using the high specific gravity small pieces.
Fig. 2 illustrated when will be substantially resulting artificial marble pattern when the small pieces of solid color use with above-mentioned high specific gravity small pieces, and Fig. 3 has illustrated the artificial marble pattern after the frosted.
Fig. 5 is the sectional view according to the high specific gravity crushing small pieces of second embodiment of the invention.As shown in Figure 5, high specific gravity crushing small pieces 10 dispose in the mode that the low-gravity zone 12 of platelet morphology is distributed in high specific gravity zone 11 as a setting equably.The structure of these crushing small pieces can be understood simply by biscuit, for example, is embedded in as the cereal as almond in the base mateiral of chocolate etc.
Shape to high specific gravity crushing small pieces 10 is not done special restriction.For example, high specific gravity crushing small pieces 10 can have hexahedron or cylindrical shape etc., and can have rule or irregular shape.
Fig. 6 is the sectional view of use according to the artificial marble of the high specific gravity crushing small pieces of second embodiment of the invention.As shown in Figure 6, artificial marble 1 comprises background area 1a and small pieces.The small pieces of artificial marble 1 comprise according to the high specific gravity of the present invention crushing small pieces 10 and the small pieces 20 of solid color substantially.
High specific gravity crushing small pieces 10 make by using proportion low specific gravity material and the proportion high specific gravity material higher than background area 1a proportion lower than background area 1a proportion.Particularly, high specific gravity crushing small pieces 10 comprise high specific gravity zone 11 of being made by the proportion high specific gravity material higher than background area 1a proportion and the low-gravity zone 12 of being made than the background area low low specific gravity material of 1a proportion by proportion.In this article, the low-gravity zone 12 of platelet morphology is distributed in as a setting the high specific gravity zone 11 equably.
As can be seen from Figure 6, there is not difference of specific gravity in high specific gravity crushing small pieces 10 basically with background area 1a, therefore can distribute equably and not with the small pieces 20 isolating risks of solid color substantially.Preferably, consider the improvement of artificial marble 1 outward appearance and the preparation method of simplification, the proportion of these high specific gravity crushing small pieces 10 ' is a little more than the proportion of background area 1a, so that high specific gravity crushing small pieces 10 can approach artificial marble 1 surface and distribute.
Fig. 7 is the sectional view of the artificial marble shown in Fig. 6 after frosted.Owing to partly remove high specific gravity zone 11 by frosted, transparent low specific gravity layer 12 is exposed to the outside, to give artificial marble unique and high-quality outward appearance.
Fig. 8 is the photo of explanation according to the artificial marble surface of second embodiment of the invention.Can determine to have and the closely similar outward appearance of the texture of natural marble according to the artificial marble of second embodiment of the invention by Fig. 8.
Preparation comprises the operation of preparation high specific gravity crushing small pieces and the operation of using these high specific gravity crushing small pieces to prepare artificial marble according to the method for imitation marble of second embodiment of the invention.The operation of preparation high specific gravity crushing small pieces comprises that successively preparation forms the operation and the crushing operation of the operation of the small pieces in low-gravity zone, preparation crushing small pieces.
The flat board of high specific gravity crushing small pieces that is used to prepare artificial marble is by obtaining sclerosis such as polymerizing resin compound, mineral filler.In this article, it should be noted that the flat board that is used to form the low-gravity zone does not comprise mineral filler.
The small pieces that are used to form the low-gravity zone by with low specific gravity material (have 0.2～2.0 proportion) sclerosis to have writing board shape and the made flat board of crushing makes.
But, when using transparent resin when being configured for forming the small pieces in low-gravity zone, problem is, because big with the difference of specific gravity of the matrix material of artificial marble, the small pieces that make can be floating to the back side of artificial marble in process of setting, thereby can't give the outward appearance of product surface improvement.In order to address the above problem, the small pieces that are used to form the low-gravity zone use the high specific gravity filler and are embedded in the high specific gravity slurry, to have the crushing small structure.
The matrix material that is used to form the high specific gravity zone comprises the base resin slurry of 100 weight parts, mineral filler, 0.1～10 parts by weight of cross-linking agent, the polymerization starter of 0.1～10 weight part and the pigment of 0.1～5 weight part of 50～1500 weight parts.
The mineral filler that is used for high specific gravity region composite material is high specific gravity material (have 2.0 or higher proportion), for example barium compound, coal, stone flour, SiO 2 powder etc.
The matrix material of high specific gravity crushing small pieces by will being used to form the high specific gravity zone and the small pieces in the formation low-gravity zone of 50～500 weight parts this mixture that mixes, hardens makes with the flat board that has writing board shape and crushing and make.
In this case, be used to form the mould thickness of the flat board of high specific gravity crushing small pieces by adjusting, so that its maximum diameter with the small pieces that form the low-gravity zone equates adjustable saving in the viscosity of the matrix material in formation high specific gravity zone.This helps preventing that the small pieces that are used to form the low-gravity zone from assembling in high specific gravity crushing small pieces.
Flat board can be by sclerosis such as normally used mold, compacting, vibrator, UV method for curing.
Fig. 6 has illustrated resulting artificial marble pattern when the small pieces of solid color substantially and above-mentioned high specific gravity crushing small pieces use together, and Fig. 7 has illustrated the artificial marble pattern after the frosted.
[embodiment 1]
The flat board that is used to form the transparent low specific gravity layer is by using acrylic resin (proportion: 1.19, transmittance: 95%) prepare, be used to form then high specific gravity layer (proportion: flat board 3.175) makes by using slurry, this slurry comprise 100 parts by weight of acrylic resins and 150 weight parts as high specific gravity filler (proportion: barium sulfate 4.499).Then, the high specific gravity layer flat layer is pressed on the transparent low specific gravity layer flat board.By crushing this, make the high specific gravity small pieces through laminated flat board.
The proportion of obtained high specific gravity small pieces is 1.65.When the high specific gravity small pieces that use 10wt% prepare artificial marble, high specific gravity small pieces and other small pieces of solid color substantially only demonstrate ± 0.1 small difference in specific gravity, and obtain in high specific gravity crushing small pieces and other good artificial marble of no risk of separation between small pieces of solid color substantially.
[embodiment 2]
Transparent low specific gravity dull and stereotyped by use acrylic resin (proportion: 1.19, transmittance: preparation 95%).Subsequently, this flat board is crushed to prepare transparent low-gravity small pieces.Then, the flat board that is used to form the high specific gravity small pieces is by transparent low specific gravity small pieces and slurry (proportion: 3.175) mix with 110 weight parts, add stiffening agent and additive simultaneously and prepare, described slurry comprise 100 parts by weight of acrylic resins and 160 weight parts as high specific gravity filler (proportion: barium sulfate 4.499).Then, the flat board crushing of high specific gravity small pieces will be used to form, with preparation high specific gravity crushing small pieces.
The proportion of the high specific gravity crushing small pieces that make is 1.64.When the high specific gravity crushing small pieces that use 10wt% prepare artificial marble, high specific gravity crushing small pieces with other substantially the small pieces of solid color only demonstrate ± 0.1 small difference in specific gravity, and make in high specific gravity small pieces and other the good artificial marble of no risk of separation between small pieces of solid color substantially of crushing.
Industrial applicability
Can obviously learn from foregoing description, the invention provides a kind of artificial marble, it can be by using as the low specific gravity material of clear acrylic material etc. prepares.Particularly, this low specific gravity material has than the low proportion of slurry that is generally used for preparing artificial marble.By the use of this low specific gravity material, artificial marble is had and the closely similar outward appearance of the texture of natural marble.
Though illustrative purposes discloses preferred implementation of the present invention for example, it will be understood by those skilled in the art that the various modifications, interpolation and the replacement that do not depart from as disclosed invention scope and essence in the appended claims are feasible.
Claims (24)
1. artificial marble with background area and small pieces, wherein, described small pieces comprise the high specific gravity small pieces, and the high specific gravity material that these high specific gravity small pieces have the low specific gravity material of the proportion lower than described background area proportion by use and have the proportion higher than described background area proportion makes; And described low specific gravity material formation transmittance is 70～100% transparent layer or transparent small pieces.
2. artificial marble according to claim 1, wherein, described each high specific gravity small pieces comprise:
The high specific gravity layer of being made by the high specific gravity material is to have than the high proportion of described background area proportion; And
The low specific gravity layer of being made by low specific gravity material is to have than the low proportion of described background area proportion.
3. artificial marble according to claim 1, wherein, described each high specific gravity small pieces comprise:
The high specific gravity zone of being made by the high specific gravity material is to have than the high proportion of described background area proportion; And
The low-gravity zone of being made by low specific gravity material is to have than the low proportion of described background area proportion; And
Wherein said low-gravity zone is uniformly distributed in the background in described high specific gravity zone.
4. artificial marble according to claim 1, wherein, the proportion of described each high specific gravity small pieces equates with the proportion of the composite materials of the artificial marble that comprises these high specific gravity small pieces, perhaps the proportion with the composite materials of described artificial marble differ ± 0.2 or lower.
5. artificial marble according to claim 1, wherein, total proportion of described high specific gravity small pieces is 1.3～2.0.
6. according to claim 2 or 3 described artificial marbles, wherein, the proportion in described high specific gravity layer or high specific gravity zone is 1.5～10.
7. according to claim 2 or 3 described artificial marbles, wherein, the proportion in described low specific gravity layer or low-gravity zone is 0.2～2.0.
8. according to claim 2 or 3 described artificial marbles, wherein, being used for base resin high and low specific gravity layer or high and low-gravity zone is be selected from acrylic resin, unsaturated polyester resin, Resins, epoxy, polyvinyl chloride (PVC) RESINS, polystyrene resin, polycarbonate resin, polyethylene terephthalate resin and styrene-methylmethacrylate copolymer resin at least a.
9. according to claim 2 or 3 described artificial marbles, wherein, described low specific gravity layer or low-gravity zone form uses the clear acrylic small pieces of acrylic resin as base resin.
10. according to claim 2 or 3 described artificial marbles, wherein, it is 2.5～10 filler that described high specific gravity layer or high specific gravity zone comprise proportion.
11. artificial marble according to claim 10, wherein, described filler is be selected from barium compound, coal, stone flour, silicon-dioxide, titanium dioxide, aluminium hydroxide, lime carbonate, metal powder and metal-salt at least a.
12. artificial marble according to claim 2, wherein, described high specific gravity layer is removed by frosted, so that described low specific gravity layer is exposed to the artificial marble outer surface.
13. artificial marble according to claim 3, wherein, partly remove by frosted in described high specific gravity zone, so that described low-gravity zone is exposed to the artificial marble outer surface.
14. artificial marble according to claim 1, wherein, described high specific gravity small pieces have the size of 0.5～20mm.
15. artificial marble according to claim 1, wherein, based on the composite materials of the described artificial marble of 100 weight parts, the content of described high specific gravity small pieces is 0.1～100 weight part.
16. artificial marble according to claim 1, wherein, described artificial marble is acrylic synthetic marble, unsaturated polyester artificial marble or engineered stone artificial marble.
17. one kind prepares method for imitation marble according to claim 1, it comprises:
Preparation is used for the flat board of the proportion low specific gravity layer lower than artificial marble proportion;
Preparation is used for the flat board of the proportion high specific gravity layer higher than artificial marble proportion, and the described flat layer that is used for high specific gravity layer is pressed on the described flat board that is used for low specific gravity layer;
Crushing through laminated flat board to make the high specific gravity small pieces that comprise low specific gravity layer and high specific gravity layer; And
Described high specific gravity small pieces are introduced in the artificial marble.
18. one kind prepares method for imitation marble according to claim 1, it comprises:
Preparation is used for the small pieces in the proportion low-gravity zone lower than artificial marble proportion;
The matrix material in the high specific gravity zone that the described small pieces that are used for the low-gravity zone are higher than artificial marble proportion with being used for proportion mixes, and forms dull and stereotyped then;
Crush described flat board to make the high specific gravity small pieces, and it comprises the low-gravity zone in the background that is uniformly distributed in described high specific gravity zone; And
Described high specific gravity small pieces are introduced in the artificial marble.
19. according to claim 17 or 18 described methods, wherein, by regulate adding the described proportion and the content of filler that is used for the dull and stereotyped of high specific gravity layer or is used for the matrix material in high specific gravity zone, the proportion of described high specific gravity small pieces is adjusted to equates with the proportion of the composite materials of described artificial marble or be close.
20. method according to claim 17, wherein, by regulating the described flat board that is used for high specific gravity layer and be used for the thickness of the flat board of low specific gravity layer, the proportion of described high specific gravity small pieces is adjusted to equates with the proportion of the composite materials of described artificial marble or be close.
21. method according to claim 18, wherein, it is close with the maximum diameter of the described small pieces that are used for the low-gravity zone that the thickness that will be used for the mould of described flat board is adjusted to.
22. method according to claim 17 wherein, after the described artificial marble sclerosis, is partly or completely removed described high specific gravity layer by frosted.
23. method according to claim 18 wherein, after the described artificial marble sclerosis, is removed described high specific gravity area part by frosted, so that described low-gravity zone is exposed to the artificial marble outer surface.
24. according to claim 17 or 18 described methods, wherein, each is dull and stereotyped by injection molding, pressing, vibrator method or the sclerosis of UV hardening process.
Applications Claiming Priority (7)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| KR1020060049629A KR100805634B1 (en) | 2006-06-02 | 2006-06-02 | Artificial marble using low specific gravity material as chip by lamination and process for preparing the same |
| KR1020060049629 | 2006-06-02 | ||
| KR10-2006-0049629 | 2006-06-02 | ||
| KR10-2006-0051670 | 2006-06-09 | ||
| KR1020060051670 | 2006-06-09 | ||
| KR1020060051670A KR100780235B1 (en) | 2006-06-09 | 2006-06-09 | Artificial marble using low specific gravity material as chip by crunch technique and process for preparing the same |
| PCT/KR2006/003796 WO2007142391A1 (en) | 2006-06-02 | 2006-09-25 | Artificial marble using low specific gravity material as chip and process for preparing the same |
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| CN101163651A CN101163651A (en) | 2008-04-16 |
| CN101163651B true CN101163651B (en) | 2011-05-18 |
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| CN2006800013734A Expired - Fee Related CN101163651B (en) | 2006-06-02 | 2006-09-25 | Artificial marble using low specific gravity material as chip and process for preparing the same |
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| CN (1) | CN101163651B (en) |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| KR100932129B1 (en) | 2008-02-28 | 2009-12-16 | 김영민 | Marble chip, Marble chip manufacturing method, and artificial marble using the same |
| CN101823855A (en) * | 2010-02-01 | 2010-09-08 | 山东中南集团有限公司 | Imitation natural stone sheet and making process thereof |
| KR101998922B1 (en) * | 2016-04-12 | 2019-07-10 | (주)엘지하우시스 | a manufacturing method of quartz chips, the quartz chips manufactured by the method and artificial marble comprising the quartz chips |
| CN107572891A (en) * | 2017-08-29 | 2018-01-12 | 无为县鑫品石业有限公司 | One kind synthesis toughness marble and its manufacture method |
| KR102311653B1 (en) * | 2019-12-26 | 2021-10-08 | 조경수 | Epoxy resin composition for construction and method of construction using the same |
Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| JP3648592B2 (en) * | 1999-09-27 | 2005-05-18 | 松下電工株式会社 | Artificial marble composition |
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| Publication number | Priority date | Publication date | Assignee | Title |
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| JP3251354B2 (en) * | 1992-11-20 | 2002-01-28 | 株式会社アーク | High density artificial stone and its manufacturing method |
| JPH10298377A (en) | 1997-04-22 | 1998-11-10 | Mitsubishi Rayon Co Ltd | Polymerizable composition, molded product having transparency, its production and artificial marble containing pulverized material of molded product having transparency dispersed therein |
| KR100376605B1 (en) * | 2000-02-28 | 2003-03-19 | 주식회사 엘지화학 | The Artificial Marble Panel with Different Patterns and Colors on the Surface and the Opposite Side, and the Method of Manufacturing thereof |
| KR100786003B1 (en) * | 2005-08-24 | 2007-12-14 | 주식회사 엘지화학 | Artificial marble containing transparent chip using co-extrusion and process for preparing the same |
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- 2006-06-02 KR KR1020060049629A patent/KR100805634B1/en not_active IP Right Cessation
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| JP3648592B2 (en) * | 1999-09-27 | 2005-05-18 | 松下電工株式会社 | Artificial marble composition |
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| KR20070115350A (en) | 2007-12-06 |
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