CN104926198A - Preparation method for novel quartz stone plate - Google Patents
Preparation method for novel quartz stone plate Download PDFInfo
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- CN104926198A CN104926198A CN201510338754.2A CN201510338754A CN104926198A CN 104926198 A CN104926198 A CN 104926198A CN 201510338754 A CN201510338754 A CN 201510338754A CN 104926198 A CN104926198 A CN 104926198A
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Abstract
The invention provides a preparation method for a novel quartz stone plate. The novel quartz stone plate comprises 8%-12% of acrylic-based resin, 20%-38% of quartz sand, 35%-58% of quartz powder, 2%-10% of color paste, 0.1%-0.5% of fixing agent, 0.08%-0.12% of accelerant, 0.1%-0.3% of light stabilizer and 0.1%-5% of silane coupling agents. An organic peroxide and transition metal salt promoting system is adopted for incurring the acrylic-based resin at normal temperature for effective solidification; kinds of function assistant are added creatively into the acrylic-based resin in order to perform sufficient crosslinking on polymethyl methacrylate, methyl methacrylate and butyl acrylate and form a line, net and body macromolecular structure after solidification, and therefore the bending resistance, impact and corrosion resistance and surface hardness of the material are improved. Meanwhile, the quartz sand and the quartz powder of various grain diameters are creatively selected to form powder, adding and mixing are strictly performed according to the size of the powder, high-dispersion, moist and leveling organic combination between the powder and adhesive is achieved, tight combination between the resin and silicon system mineral material is achieved to the maximum degree, the finished product plate is made optimal, and the mechanical property of the finished product plate is optimal.
Description
Technical field
The present invention relates to building decoration technology field, relate to a kind of preparation method based on the quartzite slate of acrylic (Acrylic) resin more specifically.
Background technology
Quartzite slate majority of the prior art is with neighbour, between, to the unsaturated polyester resin (UPR) of type as main binding agent, this is a kind of by fixedly forming the macromolecular material of part raw material through pyrocondensation, warp and mineral material, quartz sand, silica powder, pigment, oxidation-reduction is passed through again after the abundant stirring and evenly mixing such as auxiliary agent, or the free radical cure system of thermal initiation, realize curing molding, last again through scraping, throw, the operations such as finishing realize the finished product, this traditional UPR synthesis technique has complex process, be difficult in production realize the maneuvering ability adjustment to the various physical and mechanical propertiess of sheet material and obtained sheet material physics, the defects such as mechanical property is poor.And along with technology and social civilization process, limiting the use of because receiving containing benzene series body of material in URP, forbidding, scope also expands the aspect such as indoor furniture, water source to from food, medicine, and it is also its inherent defect as the ageing-resistant difference of material of construction, color inhibition difference in addition.Acrylic (Acrylic) is then much better than UPR, and it is except having more superior mechanical property, resistant, resistance to yellowing anti-aging and processing raw material, finished product so processing clout, waste material etc. all meet current international hygiene, environmental requirement.Therefore the current sheet material based on acrylic is widely used, and acrylic (Acrylic) quartzite solves indoor and the limited blank of household material, allows safer, more durable environment-friendly materials enter in the life of common people family and people.But the inherent defect that current acrylic base quartzite slate generally has is that the fusion between fluoropolymer resin with mineral powder is general in conjunction with effect, acryl resin is as just a kind of common matrix material, and then cause the machinery of whole sheet material, physicals do not give full play of, and limits its Application Areas.
Summary of the invention
The present invention is based on above-mentioned prior art problem, and innovated acryl resin matrix material in conjunction with production practice and the market requirement, organo-peroxide and transition metal salt Promotion system is adopted to cause effective solidification of acryl resin at normal temperatures, by innovating test for a long time for making polymethylmethacrylate, methyl methacrylate and butyl acrylate full cross-linked and form line after hardening, net, height molecular structure, sum up the auxiliary agent component that can multiplely show unique characteristics, substantially improve the performance of acryl resin matrix material, improve the counter-bending of material, shock resistance, corrosion-resistant and surface hardness performance, simultaneously in the preparation of quartzite slate, the quartz sand of the multiple particle size range of innovation choice and silica powder form powder, and add mixing in strict accordance with powder size, coordinate each organic additive that innovation is introduced, achieve powder and caking agent high dispersive, moistening, the combination of levelling, farthest achieve combining closely of resin and silicon system (quartz) mineral material, finished product sheet material is made to present the most excellent physics, mechanical property.
It is as follows that the present invention solves the problems of the technologies described above taked technical scheme:
A preparation method for quartzite slate, described quartzite slate prepare formula constituent and mass percentage content is:
Wherein said acryl resin is obtained at 40-70 DEG C of mix and blend by each component of following mass percentage content:
The SiO that wherein said quartz sand is distributed by multiple different-grain diameter
2the purity quartzite of purity more than 99% and SiO
2purity is formed at the common quartz sand of 90-99%, the concrete size-grade distribution of described quartz sand is configured to: 5-10 object purity quartzite accounts for 1-5%, 10-20 object purity quartzite accounts for 5-8%, the common quartz sand of 5-10 object accounts for 2-6%, the common quartz sand of 10-20 object accounts for 5-10%, the common quartz sand of 20-30 object accounts for 8-15%, the common quartz sand of 30-40 object accounts for 10-20%, the common quartz sand of 40-50 object accounts for 15-28%, the common quartz sand of 50-60 object accounts for 12-20%, the common quartz sand of 60-90 object accounts for 10-25%, wherein each percentage composition is weight percentage content,
The SiO that wherein said silica powder is distributed by multiple different-grain diameter
2the refining silica powder of purity more than 99% and SiO
2purity is formed at the common silica powder of 90-99%, the concrete size-grade distribution of described silica powder is configured to: 120-150 object is refined silica powder and accounted for 5-9%, 150-240 object is refined silica powder and is accounted for 6-11%, 240-320 object is refined silica powder and is accounted for 3-6%, the common silica powder of 120-150 object accounts for 5-10%, the common silica powder of 150-180 object accounts for 15-25%, the common silica powder of 180-220 object accounts for 18-25%, the common silica powder of 220-280 object accounts for 20-30%, the common silica powder of 280-320 object accounts for 10-15%, the common silica powder of 320-900 object accounts for 5-10%, wherein each percentage composition is weight percentage content,
Described mill base is mixed by described acryl resin and pigment, wherein acryl resin mass content 50-70%, pigment mass content 30-50%;
Described fixing agent adopts one or more in methylethyl ketone peroxide, benzoyl peroxide, Diisopropyl azodicarboxylate;
Described promotor adopts phosphorous acid vanadium;
Described silane coupling agent adopts γ-tert-butylperoxypropyl Trimethoxy silane, and its molecular structural formula is:
The concrete preparation process of described quartzite slate is:
By the acryl resin of above-mentioned mass content, mill base and fixing agent drop into successively after the dispersion of condiment still stirs evenly and proceed to compounding jar, then add after described promotor slightly mixes and add described quartz sand and silica powder in the following order: first add quartz sand, first purity quartzite is added according to order number is ascending in quartz sand, add common quartz sand again, stir simultaneously, treat that quartz sand adds silica powder after adding, silica powder is also first add refining silica powder according to powder order number is ascending, add common silica powder again, stir simultaneously, then silane coupling agent and photostabilizer is added, and stir at ambient pressure, control whipping temp at 30 ~ 50 DEG C, cloth is carried out until proceed in mould completely evenly, the machine that jolt-squeezes proceeding to band vacuum after cloth again carries out vacuum and jolt-squeezes, vibrational frequency controls as 55-60Hz, vacuum degree control is-0.2 ~-0.12MPa, compacting 20-30min, be delivered to drying tunnel together with mould after compacting and carry out continuous conveying type baking, sheet material is solidified completely, sheet material after solidification transfers to post-treatment operation, strike off, obtained quartzite slate finished product after sanding and polishing finishing.
Further according to the preparation method of quartzite slate of the present invention, wherein said quartzite slate prepare formula constituent and mass percentage content is:
Further according to the preparation method of quartzite slate of the present invention, wherein said acryl resin is obtained by each component of following mass percentage content:
The concrete preparation process of described acryl resin is: dropped into successively in order in chuck water-bath type dissolution kettle above-mentioned each component (2) ~ (15), start when stirring and be warming up to 50 DEG C and slowly cast polymethylmethacrylate again, be warming up to 60 DEG C ~ 65 DEG C gradually, about being incubated 30min dissolves completely to polymethylmethacrylate, is be cooled to less than 40 DEG C after saturating clearly shape to leach for subsequent use until resin liquid.
Further according to the preparation method of quartzite slate of the present invention, wherein said acryl resin is obtained by each component of following mass percentage content:
The concrete preparation process of described acryl resin is: dropped into successively in order in chuck water-bath type dissolution kettle above-mentioned each component (2) ~ (15), start when stirring and be warming up to 50 DEG C and slowly cast polymethylmethacrylate again, be warming up to 60 DEG C ~ 65 DEG C gradually, about being incubated 30min dissolves completely to polymethylmethacrylate, is be cooled to less than 40 DEG C after saturating clearly shape to leach for subsequent use until resin liquid.
Further according to the preparation method of quartzite slate of the present invention, the pigment in wherein said mill base is selected from following one or a combination set of: bright red, iron oxide red, cologne earth, gorgeous Huang, iron oxide yellow, ultramarine, buttocks indigo plant, phthalocyanine blue, iron oxide black, carbon black, zinc white, titanium white, phthalein viridescent.
Further according to the preparation method of quartzite slate of the present invention, wherein said mill base is mixed by each component of following mass percent: described acryl resin 55%-57%, titanium dioxide 33-35%, iron oxide yellow 8-10%, red iron oxide 1-2%, carbon black 0.1-0.3%.
Further according to the preparation method of quartzite slate of the present invention, wherein said mill base is mixed by each component of following mass percent: described acryl resin 65%-67%, titanium dioxide 8-10%, iron oxide yellow 18-22%, red iron oxide 3-5%, carbon black 0.3-0.6%.
Further according to the preparation method of quartzite slate of the present invention, wherein prepared quartzite slate 60 ° of glossiness are 52 ~ 65, and density is 2.3 ~ 2.8g/cm
3, Mohs' hardness is more than or equal to 7, and flexural strength is more than or equal to 160MPa, and shock strength is 8 ~ 15KJ/m
2, transformation temperature is 80 ~ 100 DEG C, and the heat insulation temperature difference is 20 ~ 30 DEG C.
At least following technique effect can be reached by technical scheme of the present invention:
1), the present invention is in quartzite slate preparation, innovate acryl resin material component, introduce several functions auxiliary agent ensure that resinous polymer is full cross-linked and form line, net, height molecular structure after hardening, improve counter-bending, the shock resistance of material, corrosion-resistant and surface luster performance.
2), the present invention is in quartzite slate preparation, innovate the selection of multiple particle size range quartz sand and silica powder powder, and add mixing in strict accordance with powder size, coordinate each organic additive that innovation is introduced, achieve the combination of powder and caking agent high dispersive, moistening, levelling, farthest achieve combining closely of resin and silicon system (quartz) mineral material, make finished product sheet material present the most excellent physics, mechanical property, especially there is excellent hardness.
3), the present invention innovated look and stuck with paste fully in quartzite slate preparation, makes the quartzite slate not only bright prepared, and substantially increases the color inhibition ageing resistance of product.
4), acrylic quartz stone slab provided by the present invention belongs to safety and environmental protection material, from being synthesized to sheet material manufacturing processed the environmental pollution and personal injury problem that do not exist and cause because of evaporation or leakage, the product color inhibition manufactured is anti-aging greatly to be improved, processing waste material and old material are without the need to special processing, can directly be used for paving the way as ore charge, belong to building board of new generation.
Embodiment
Below technical scheme of the present invention is described in detail, to enable those skilled in the art understanding the present invention clearly, but does not therefore limit the scope of the invention.
Developing on the basis of the existing artificial quartz stone plate produced for main body matrix material with UPR (unsaturated polyester resin) of the present invention's innovation is safer, the more quartzite slate using acrylic (Acrylic) resin as matrix material of environmental protection, especially innovated at acryl resin matrix material in conjunction with production practice and the market requirement, cause acryl resin under adopting organo-peroxide and transition metal salt Promotion system normal temperature effectively to solidify, and innovatively add several functions auxiliary agent wherein, substantially increase the counter-bending of material, shock resistance, corrosion-resistant and surface hardness performance, relative to traditional employing polymethylmethacrylate, the acryl resin material that methyl methacrylate and butyl acrylate are formed, performance has more the market competitiveness, the present invention is tested as making polymethylmethacrylate by long-term innovation, methyl methacrylate and butyl acrylate full cross-linked and form line after hardening, net, height molecular structure, sum up the auxiliary agent component that can multiplely show unique characteristics, substantially improve the performance of acryl resin matrix material.In the preparation of quartzite slate, the quartz sand of the multiple particle size range of innovation choice of the present invention and silica powder form powder, and add mixing in strict accordance with powder size, coordinate each organic additive that innovation is introduced, achieve the combination of powder and caking agent high dispersive, moistening, levelling, farthest achieve combining closely of resin and silicon system (quartz) mineral material, make finished product sheet material present the most excellent performance and mechanical property.The look of the innovation of the present invention is simultaneously stuck with paste fully, makes the quartzite slate not only bright prepared, and substantially increases the color inhibition ageing resistance of product.
Below concrete scheme of the present invention is described in detail.
First the preparation of acryl resin matrix material is provided.
Formation component and the weight percent proportioning of described acrylic (Acrylic) resin material are as follows:
Preferably, formation component and the weight proportion of acrylic (Acrylic) resin provided are preferably as follows:
The concrete preparation technology of above-mentioned acryl resin is operating as: by above-mentioned material 2) ~ 15) drop into successively in order in chuck water-bath type dissolution kettle, start when stirring and be warming up to 50 DEG C and slowly cast solid material 1 again) PMMA, be warming up to 60 DEG C ~ 65 DEG C gradually, about being incubated 30min to PMMA dissolves completely, be clearly thoroughly be cooled to less than 40 DEG C after shape to leach for subsequent use until resin liquid, obtain the acryl resin adhesive material prepared for quartzite slate.
Specifically providing the process using above-mentioned acryl resin to prepare quartzite slate below.
What first provide quartzite slate prepares formula constituent and mass percentage content:
Wherein said acryl resin is the acryl resin of above-mentioned preparation.
Described fixing agent adopts one or more in methylethyl ketone peroxide, benzoyl peroxide, Diisopropyl azodicarboxylate (MEKP/BPO/ABB).Described promotor adopts phosphorous acid vanadium (VPO3).
Use γ-tert-butylperoxypropyl Trimethoxy silane that described silane coupling agent is innovated in the present invention, its molecular structural formula is:
this peroxidation silane coupling agent can save the use of conventional initiator to inorganic materials organic-treating process, can to the effect playing initiated polymerization during surface modifying inorganic particle simultaneously, simplify the process of inorganic materials organic-treating, improve formation efficiency, surface of inorganic particles two-step reaction that is coated, polymerization is carried out simultaneously, both saved the time, in turn saved material, this high-performance coupling agent of the use that the present invention initiates.
Described quartz sand and silica powder form the powder composition in quartzite slate of the present invention preparation, and its content can be optimized for quartz sand 25 ~ 32%, silica powder 48 ~ 55% further; The present invention is on conventional synthetic glass Acrylic material foundation, introduce functional monomer and silane coupling agent is arranged in pairs or groups, simultaneously for enabling the quartzite slate of the sufficient quartz powder materials perfect adaptation forming property exceptionai of resin system comprising multiple organic components, the concrete size composition of the present invention to the powder that quartz sand and silica powder are formed carries out long-term innovation experimental study, show that the powder that can be good at being combined with acryl resin system is formed, as shown in table 1 below:
Table 1 quartzite powder is formed
Described mill base is mixed by aforementioned acryl resin and pigment, and concrete compositing formula is: resin content 50-70%, pigment content 30-50%.Wherein pigment is selected from following one or a combination set of: red: bright red, iron oxide red; Brown: cologne earth; Yellow: gorgeous Huang, iron oxide yellow; Blue: ultramarine, buttocks indigo plant, phthalocyanine blue; Black: iron black, carbon black; White: zinc white, titanium white; Green: phthalein is dark green.The preparation method of described pigment is in the making processes of above-mentioned acryl resin, adds each pigment as required and fully stir in the end obtained resin liquid.As one of two kinds of conventional preferred mill base formation schemes: acryl resin 55%-57%, titanium dioxide 33-35%, iron oxide yellow 8-10%, red iron oxide 1-2%, carbon black 0.1-0.3%.Scheme two is formed: acryl resin 65%-67%, titanium dioxide 8-10%, iron oxide yellow 18-22%, red iron oxide 3-5%, carbon black 0.3-0.6% as two kinds of conventional preferred mill bases.
The concrete preparation process of described quartzite slate is:
By the acryl resin of above-mentioned weight content, mill base and fixing agent drop into successively after the dispersion of condiment still stirs evenly and proceed to compounding jar, then add promotor slightly mix after successively by powder from large to small, order from coarse to fine drops into, stir at ambient pressure simultaneously, the concrete order of addition of described powder is: first add quartz sand, first purity quartzite is added according to powder order number ascending (powder is descending) in quartz sand, at the common quartz sand of interpolation, stir simultaneously, treat that quartz sand adds silica powder after adding, silica powder is also first add refining silica powder according to powder order number ascending (powder is descending), at the common silica powder of interpolation, stir simultaneously, in the present invention, each powder needs to configure according to above-mentioned order number content distribution in advance, the powder of each granularity is added in the manner described above successively after resin liquid is got ready, only add in strict accordance with order the performance that each granularity powder can guarantee described sheet material.Treat that powder adds silane coupling agent and photostabilizer after adding, and stir at ambient pressure, and control whipping temp at 30 ~ 50 DEG C, cloth is carried out until proceed in mould completely evenly, carry out vacuum under proceeding to the machine that jolt-squeezes of band vacuum after cloth again to jolt-squeeze, vibrational frequency controls as 55-60Hz, vacuum degree control is-0.2 ~-0.12MPa, compacting 20-30min, be delivered to drying tunnel together with mould (or being separated on supporting plate) after compacting and carry out continuous conveying type baking, sheet material is solidified completely; Addition according to gel solidification phase of resin and solidifying agent, promotor regulates and controls storing temperature and baking time (preferred storing temperature controls at 50 ~ 80 DEG C), sheet material after slaking transfers to post-treatment operation, carries out striking off, is finished product after the finishing of grinding and polishing ray machine.
The present invention is for realizing the perfect adaptation of Acrylic resin and natural ore material (quartz) and innovating and add several functions monomer and auxiliary agent composition, and innovated configuration and the interpolation of powder, with poly-methyl methacrylate base (PMMA), methyl methacrylate (MMA), trimethylolpropane tris (methyl) acrylate TMPT (M) A, neopentyl glycol two (methyl) acrylate NPGD (M) A, dipropylene glycol two (methyl) acrylate DPFD (M) A, (methyl) butyl acrylate B (M) A, (methyl) vinylformic acid isooctyls etc. are main body formation acryl resin mixed system, the methylethyl ketone peroxide (MEKPO) that solidification initiator system adopts, dibenzoyl peroxide (BPO), the peroxidation isocaprylic acid tert-butyl ester (TBPO), Diisopropyl azodicarboxylate ABB etc. separately or mixture, borrow phosphorous acid vanadium (Vpo3) simultaneously, n-dodecane mercaptan CH
3(CH
2)
11the reduction systems such as SH realize pre-gelled under normal temperature, and make it full cross-linked, after solidification, there is line, net, height molecular structure, reach counter-bending, shock resistance, the performance of corrosion-resistant and surface hardness, simultaneously for reaching Acrylic resin and natural ore material (quartz) realizes high dispersive, moistening, the combination of levelling, in formula, innovation adds vinylformic acid (M) AA, (methyl) acrylamide, Hydroxyethyl acrylate HEA, vinylformic acid (methyl) hydroxypropyl acrylate HPA, (methyl) glycidyl acrylate G (M) MA, N hydroxymethyl acrylamide NMAM, the 6-tertiary butyl 2, the function components such as 4-xylenol are arranged in pairs or groups with the silane coupling agent being exclusively used in powder, realize in system from wetting, dispersion, attachment and secondary crosslinking function, at utmost realize combining closely of resin and silicon system (quartz) mineral material, finished product sheet material is made to present the most excellent performance and mechanical property.
After tested, the resin quartzite slate that the present invention obtains has excellent physical and mechanical property, smooth surface, and 60 ° of glossiness are 52 ~ 65, and density is 2.3 ~ 2.8g/cm
3, Mo Shi spends firmly≤and 7, curved song spends by force≤160MPa, and shock strength is 8 ~ 15KJ/m
2, transformation temperature is 80 ~ 100 DEG C, and the heat insulation temperature difference is 20 ~ 30 DEG C, belongs to a kind of novel more environmental protection, the better acrylic quartz stone slab of performance, can be widely used in building decoration technical field, and it take UPR as the ideal substitute of main body adhesives sheet material.
Embodiment 1
The formula of described acryl resin is composed as follows:
The concrete preparation technology of described acryl resin is operating as: dropped into successively in order in chuck water-bath type dissolution kettle by the above-mentioned liquid material except polymetylmethacrylate, start when stirring and be warming up to 50 DEG C and slowly cast solid material PMMA again, be warming up to 60 DEG C gradually, about be incubated 30min to PMMA to dissolve completely, until resin liquid be clearly thoroughly be cooled to after shape 40 DEG C for subsequent use.
The making formula of described sheet material: the above-mentioned acryl resin 10% that the present embodiment obtains, quartz sand 32%, silica powder 53%, mill base 4%, fixing agent 0.2%, promotor 0.1%, photostabilizer 0.1%, silane coupling agent 0.6%,
The formation of described quartz sand is:
The formation of described silica powder is:
The formation of described mill base: the acryl resin 56.35% of above-mentioned preparation, titanium dioxide 34.14%, iron oxide yellow 8.19%, red iron oxide 1.17%, carbon black 0.15%.
Described fixing agent adopts methylethyl ketone peroxide.Described promotor adopts phosphorous acid vanadium (VPO3).Described silane coupling agent uses γ-tert-butylperoxypropyl Trimethoxy silane.
Described preparation of plates process is: by the acryl resin of above-mentioned weight content, mill base and fixing agent drop into successively after the dispersion of condiment still stirs evenly and proceed to compounding jar, then add promotor slightly mix after successively by powder from large to small, order from coarse to fine drops into, stir at ambient pressure simultaneously, the concrete order of addition of described powder is: first add quartz sand, first purity quartzite is added according to powder order number ascending (powder is descending) in quartz sand, at the common quartz sand of interpolation, stir simultaneously, treat that quartz sand adds silica powder after adding, silica powder is also first add refining silica powder according to powder order number ascending (powder is descending), at the common silica powder of interpolation, stir simultaneously, treat that powder adds silane coupling agent and photostabilizer after adding, and stir at ambient pressure, and control whipping temp at 35 DEG C, cloth is carried out until proceed in mould completely evenly, carry out vacuum under proceeding to the machine that jolt-squeezes of band vacuum after cloth again to jolt-squeeze, vibrational frequency controls as 55Hz, vacuum degree control is-0.2MPa, compacting 30min, be delivered to drying tunnel together with mould after compacting and carry out continuous conveying type baking, storing temperature controls at 60 DEG C, sheet material is solidified completely, after last room temperature cooling, sheet material is transferred to post-treatment operation, strike off, finished product is after the finishing of grinding and polishing ray machine.
Embodiment 2
The formula of described acryl resin is composed as follows:
| Composition | Degree |
| Polymethylmethacrylate | 26％ |
| Methyl methacrylate | 36％ |
| (methyl) butyl acrylate | 6％ |
| Isooctyl acrylate monomer | 7％ |
| (methyl) vinylformic acid | 3％ |
| (methyl) acrylamide | 2％ |
| N-methylolacrylamide | 2％ |
| Glycidyl acrylate | 4.5％ |
| N-dodecane (base) mercaptan | 0.5％ |
| The 6-tertiary butyl 2,4-xylenol | 0.005％ |
| Trimethylolpropane tris (methyl) vinylformic acid acid esters | 3％ |
| Dipropylene glycol two (methyl) acrylate | 4％ |
| Neopentyl glycol two (methyl) acrylate | 4％ |
| Hydroxyethyl acrylate | 1.8％ |
| Vinylformic acid (methyl) hydroxypropyl acrylate | 0.195％ |
。
The concrete preparation technology of described acryl resin is operating as: dropped into successively in order in chuck water-bath type dissolution kettle by the above-mentioned liquid material except polymetylmethacrylate, start when stirring and be warming up to 50 DEG C and slowly cast solid material PMMA again, be warming up to 65 DEG C gradually, about be incubated 30min to PMMA to dissolve completely, until resin liquid be clearly thoroughly be cooled to after shape 40 DEG C for subsequent use.
The making formula of described sheet material: the above-mentioned acryl resin 9% that the present embodiment obtains, quartz sand 33%, silica powder 50%, mill base 5.5%, fixing agent 0.3%, promotor 0.1%, photostabilizer 0.1%, silane coupling agent 2%.
The formation of described quartz sand is:
The formation of described silica powder is:
The formation of described mill base: the acryl resin 66.14% of above-mentioned preparation, titanium dioxide 9.38%, iron oxide yellow 20.31%, red iron oxide 3.75%, carbon black 0.42%.
Described fixing agent adopts benzoyl peroxide and Diisopropyl azodicarboxylate.Described promotor adopts phosphorous acid vanadium (VPO3).Described silane coupling agent uses γ-tert-butylperoxypropyl Trimethoxy silane.
Described preparation of plates process is: by the acryl resin of above-mentioned weight content, mill base and fixing agent drop into successively after the dispersion of condiment still stirs evenly and proceed to compounding jar, then add promotor slightly mix after successively by powder from large to small, order from coarse to fine drops into, stir at ambient pressure simultaneously, the concrete order of addition of described powder is: first add quartz sand, first purity quartzite is added according to powder order number ascending (powder is descending) in quartz sand, at the common quartz sand of interpolation, stir simultaneously, treat that quartz sand adds silica powder after adding, silica powder is also first add refining silica powder according to powder order number ascending (powder is descending), at the common silica powder of interpolation, stir simultaneously, treat that powder adds silane coupling agent and photostabilizer after adding, and stir at ambient pressure, and control whipping temp at 40 DEG C, cloth is carried out until proceed in mould completely evenly, carry out vacuum under proceeding to the machine that jolt-squeezes of band vacuum after cloth again to jolt-squeeze, vibrational frequency controls as 60Hz, vacuum degree control is-0.15MPa, compacting 30min, be delivered to drying tunnel together with mould after compacting and carry out continuous conveying type baking, storing temperature controls at 60 DEG C, sheet material is solidified completely, after last room temperature cooling, sheet material is transferred to post-treatment operation, strike off, finished product is after the finishing of grinding and polishing ray machine.
Test the over-all properties of the sheet material that above-described embodiment 1 and 2 obtains, result is as following table:
| Sequence number | Interventions Requested | Unit | Currently available products (quartzite) | Embodiment 1 | Embodiment 2 |
| 1 | 60 ° of glossiness | ≤45 | 52 | 65 | |
| 2 | Volume density | g/cm3 | 2.35 | 2.38 | 2.56 |
| 3 | Mohs' hardness | ≥5 | ≥7 | ≥7 | |
| 4 | Flexural strength | MPa | ≥150 | ≥160 | ≥160 |
| 6 | Transformation temperature | ℃ | 90 | 80 | 100 |
| 7 | The heat insulation temperature difference | ℃ | 20 | 30 |
。
Developing on the basis of the existing artificial quartz stone plate produced for main body matrix material with UPR (unsaturated polyester resin) of the present invention's innovation is safer, the more quartzite slate using acrylic (Acrylic) resin as matrix material of environmental protection, especially innovated at acryl resin matrix material in conjunction with production practice and the market requirement, cause acryl resin under adopting organo-peroxide and transition metal salt Promotion system normal temperature effectively to solidify, and innovatively add several functions auxiliary agent wherein, substantially increase the counter-bending of material, shock resistance, corrosion-resistant and surface hardness performance, relative to traditional employing polymethylmethacrylate, the acryl resin material that methyl methacrylate and butyl acrylate are formed, performance has more the market competitiveness, the present invention is tested as making polymethylmethacrylate by long-term innovation, methyl methacrylate and butyl acrylate full cross-linked and form line after hardening, net, height molecular structure, sum up the auxiliary agent component that can multiplely show unique characteristics, substantially improve the performance of acryl resin matrix material.In the preparation of quartzite slate, the quartz sand of the multiple particle size range of innovation choice of the present invention and silica powder form powder, and add mixing in strict accordance with powder size, coordinate each organic additive that innovation is introduced, achieve the combination of powder and caking agent high dispersive, moistening, levelling, farthest achieve combining closely of resin and silicon system (quartz) mineral material, make finished product sheet material present the most excellent performance and mechanical property.The look of the innovation of the present invention is simultaneously stuck with paste fully, makes the quartzite slate not only bright prepared, and substantially increases the color inhibition ageing resistance of product.
Below be only that the preferred embodiment of the present invention is described; technical scheme of the present invention is not limited to this; the any known distortion that those skilled in the art do on the basis that major technique of the present invention is conceived all belongs to the claimed technology category of the present invention, and the concrete protection domain of the present invention is as the criterion with the record of claims.
Claims (8)
1. a preparation method for quartzite slate, is characterized in that, described quartzite slate prepare formula constituent and mass percentage content is:
Wherein said acryl resin is obtained by each component mix and blend between 40-70 DEG C of following mass percentage content:
Wherein said quartz sand is distributed by multiple different-grain diameter, SiO
2the purity quartzite of purity more than 99% and SiO
2purity is formed at the common quartz sand of 90-99%, the concrete size-grade distribution of described quartz sand is configured to: 5-10 object purity quartzite accounts for 1-5%, 10-20 object purity quartzite accounts for 5-8%, the common quartz sand of 5-10 object accounts for 2-6%, the common quartz sand of 10-20 object accounts for 5-10%, the common quartz sand of 20-30 object accounts for 8-15%, the common quartz sand of 30-40 object accounts for 10-20%, the common quartz sand of 40-50 object accounts for 15-28%, the common quartz sand of 50-60 object accounts for 12-20%, the common quartz sand of 60-90 object accounts for 10-25%, wherein each percentage composition is weight percentage content,
Wherein said silica powder is distributed by multiple different-grain diameter, SiO
2the refining silica powder of purity more than 99% and SiO
2purity is formed at the common silica powder of 90-99%, the concrete size-grade distribution of described silica powder is configured to: 120-150 object is refined silica powder and accounted for 5-9%, 150-240 object is refined silica powder and is accounted for 6-11%, 240-320 object is refined silica powder and is accounted for 3-6%, the common silica powder of 120-150 object accounts for 5-10%, the common silica powder of 150-180 object accounts for 15-25%, the common silica powder of 180-220 object accounts for 18-25%, the common silica powder of 220-280 object accounts for 20-30%, the common silica powder of 280-320 object accounts for 10-15%, the common silica powder of 320-900 object accounts for 5-10%, wherein each percentage composition is weight percentage content,
Described mill base is mixed by described acryl resin and pigment, wherein acryl resin mass content 50-70%, pigment mass content 30-50%;
Described fixing agent adopts one or more in methylethyl ketone peroxide, benzoyl peroxide, Diisopropyl azodicarboxylate;
Described promotor adopts phosphorous acid vanadium;
Described silane coupling agent adopts γ-tert-butylperoxypropyl Trimethoxy silane, and its molecular structural formula is:
The concrete preparation process of described quartzite slate is:
By the acryl resin of above-mentioned mass content, mill base and fixing agent drop into successively after the dispersion of condiment still stirs evenly and proceed to compounding jar, then add after described promotor slightly mixes and add described quartz sand and silica powder in the following order: first add quartz sand, first purity quartzite is added according to order number is ascending in quartz sand, add common quartz sand again, stir simultaneously, treat that quartz sand adds silica powder after adding, silica powder is also first add refining silica powder according to powder order number is ascending, add common silica powder again, stir simultaneously, then silane coupling agent and photostabilizer is added, and stir at ambient pressure, control whipping temp at 30 ~ 50 DEG C, cloth is carried out until proceed in mould completely evenly, the machine that jolt-squeezes proceeding to band vacuum after cloth again carries out vacuum and jolt-squeezes, vibrational frequency controls as 55-60Hz, vacuum degree control is-0.2 ~-0.12MPa, compacting 20-30min, be delivered to drying tunnel together with mould after compacting and carry out continuous conveying type baking, sheet material is solidified completely, sheet material after solidification transfers to post-treatment operation, strike off, obtained quartzite slate finished product after sanding and polishing finishing.
2. the preparation method of quartzite slate according to claim 1, is characterized in that, described quartzite slate prepare formula constituent and mass percentage content is:
3. the preparation method of quartzite slate according to claim 1 and 2, is characterized in that, described acryl resin is obtained by each component of following mass percentage content:
The concrete preparation process of described acryl resin is: dropped into successively in order in chuck water-bath type dissolution kettle above-mentioned each component (2) ~ (15), start when stirring and be warming up to 50 DEG C and slowly cast polymethylmethacrylate again, be warming up to 60 DEG C ~ 65 DEG C gradually, about being incubated 30min dissolves completely to polymethylmethacrylate, is be cooled to less than 40 DEG C after saturating clearly shape to leach for subsequent use until resin liquid.
4. the preparation method of quartzite slate according to claim 1 and 2, is characterized in that, described acryl resin is obtained by each component of following mass percentage content:
The concrete preparation process of described acryl resin is: dropped into successively in order in chuck water-bath type dissolution kettle above-mentioned each component (2) ~ (15), start when stirring and be warming up to 50 DEG C and slowly cast polymethylmethacrylate again, be warming up to 60 DEG C ~ 65 DEG C gradually, about being incubated 30min dissolves completely to polymethylmethacrylate, is be cooled to less than 40 DEG C after saturating clearly shape to leach for subsequent use until resin liquid.
5. the preparation method of the quartzite slate according to any one of claim 1-4, it is characterized in that, the pigment in described mill base is selected from following one or a combination set of: bright red, iron oxide red, cologne earth, gorgeous Huang, iron oxide yellow, ultramarine, buttocks indigo plant, phthalocyanine blue, iron oxide black, carbon black, zinc white, titanium white, phthalein are dark green.
6. the preparation method of the quartzite slate according to any one of claim 1-4, it is characterized in that, described mill base is mixed by each component of following mass percent: described acryl resin 55%-57%, titanium dioxide 33-35%, iron oxide yellow 8-10%, red iron oxide 1-2%, carbon black 0.1-0.3%.
7. the preparation method of the quartzite slate according to any one of claim 1-4, it is characterized in that, described mill base is mixed by each component of following mass percent: described acryl resin 65%-67%, titanium dioxide 8-10%, iron oxide yellow 18-22%, red iron oxide 3-5%, carbon black 0.3-0.6%.
8. the preparation method of the quartzite slate according to any one of claim 1-7, is characterized in that, prepared quartzite slate 60 ° of glossiness are 52 ~ 65, and density is 2.3 ~ 2.8g/cm
3, Mohs' hardness is more than or equal to 7, and flexural strength is more than or equal to 160MPa, and shock strength is 8 ~ 15kJ/m
2, transformation temperature is 80 ~ 100 DEG C, and the heat insulation temperature difference is 20 ~ 30 DEG C.
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| CN115974455A (en) * | 2022-12-15 | 2023-04-18 | 清远戈兰迪高分子材料有限公司 | Ultraviolet aging resistant quartz stone plate and preparation method thereof |
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