WO2021218151A1 - 一种微晶体防滑瓷砖的生产方法 - Google Patents

一种微晶体防滑瓷砖的生产方法 Download PDF

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Publication number
WO2021218151A1
WO2021218151A1 PCT/CN2020/133066 CN2020133066W WO2021218151A1 WO 2021218151 A1 WO2021218151 A1 WO 2021218151A1 CN 2020133066 W CN2020133066 W CN 2020133066W WO 2021218151 A1 WO2021218151 A1 WO 2021218151A1
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WIPO (PCT)
Prior art keywords
microcrystalline
glaze
slip
layer
skid
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PCT/CN2020/133066
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English (en)
French (fr)
Inventor
黄春林
朱光耀
徐雪英
伍志良
谢怡伟
朱传海
韦前
叶德林
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佛山市三水新明珠建陶工业有限公司
广东新明珠陶瓷集团有限公司
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Publication of WO2021218151A1 publication Critical patent/WO2021218151A1/zh

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Classifications

    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C8/00—Enamels; Glazes; Fusion seal compositions being frit compositions having non-frit additions
    • C03C8/02—Frit compositions, i.e. in a powdered or comminuted form
    • C03C8/04—Frit compositions, i.e. in a powdered or comminuted form containing zinc
    • C—CHEMISTRY; METALLURGY
    • C03—GLASS; MINERAL OR SLAG WOOL
    • C03C—CHEMICAL COMPOSITION OF GLASSES, GLAZES OR VITREOUS ENAMELS; SURFACE TREATMENT OF GLASS; SURFACE TREATMENT OF FIBRES OR FILAMENTS MADE FROM GLASS, MINERALS OR SLAGS; JOINING GLASS TO GLASS OR OTHER MATERIALS
    • C03C10/00—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition
    • C03C10/0009—Devitrified glass ceramics, i.e. glass ceramics having a crystalline phase dispersed in a glassy phase and constituting at least 50% by weight of the total composition containing silica as main constituent
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/50—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials
    • C04B41/5022—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements with inorganic materials with vitreous materials
    • C04B41/5023—Glass-ceramics
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/45—Coating or impregnating, e.g. injection in masonry, partial coating of green or fired ceramics, organic coating compositions for adhering together two concrete elements
    • C04B41/52—Multiple coating or impregnating multiple coating or impregnating with the same composition or with compositions only differing in the concentration of the constituents, is classified as single coating or impregnation
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/85—Coating or impregnation with inorganic materials
    • C04B41/86—Glazes; Cold glazes
    • 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
    • C04B41/00—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone
    • C04B41/80—After-treatment of mortars, concrete, artificial stone or ceramics; Treatment of natural stone of only ceramics
    • C04B41/81—Coating or impregnation
    • C04B41/89—Coating or impregnation for obtaining at least two superposed coatings having different compositions

Definitions

  • the invention relates to a production method of building decoration materials, in particular to a production method of microcrystalline non-slip ceramic tiles.
  • the surface of traditional glazed tile products is flat glass, the surface is relatively smooth, and the anti-slip performance is poor; and through the dry particle anti-slip process, good anti-slip performance can be achieved, but the surface is too rough and the place of use is restricted.
  • the technical problem solved by the present invention is to provide a microcrystalline non-slip ceramic tile.
  • the principle is to add zinc oxide with a very coarse particle size in the special base glaze to form a new formula system. Under specific firing conditions, oxidation Zinc and quartz will combine into a kind of fine crystals. The microcrystals and the glaze are combined on the surface of the glaze to obtain a microcrystalline anti-slip layer.
  • the tiny grooves are filled with water when the water is in the water. When the sole or sole of the shoe touches the surface of the tile, the water will squeeze out of the tiny groove after being pressed, so that the cavity of the groove is in a vacuum state, so that the sole or sole of the shoe is in contact with the surface of the tile.
  • the invention can produce physical suction cups and anti-slip effects, and use atmospheric pressure to greatly increase the friction coefficient of the ground, that is, to achieve a more slip-resistant effect when exposed to water.
  • the invention effectively solves the problem of people falling due to the wet ground becoming slippery, achieves the perfect combination of the anti-slip function and the soft texture of the surface, and has high practical value.
  • a microcrystalline non-slip ceramic tile and its production method characterized in that it comprises the following key steps:
  • the surface is fired at a specific temperature to form a microcrystalline non-slip layer, thereby obtaining a microcrystalline non-slip ceramic tile.
  • the formula composition of the microcrystalline non-slip glaze slurry is 22-25% by weight: quartz 22-25%, limestone 12-18%, albite 15-21%, black mud 5-6%, Aluminum oxide 3%-4%, zinc oxide 23-27%.
  • the microcrystalline anti-skid glaze formula explains that the microcrystalline core material is zinc oxide, and the microcrystalline core and silicon oxide are chemically synthesized into willemite during the high-temperature calcination process to form microcrystals.
  • the amount of zinc oxide added in the formula is controlled Between 23-27%, excessive zinc oxide content will increase the number of crystals, and cause the glaze and crystal flowers to be unsmooth; if the zinc oxide content is too low, the saturation of the high-temperature melt will be insufficient to form micro Crystal: Al 2 O 3 should not be more than 3% to 4%, otherwise it will increase the viscosity of the glaze and affect the growth of crystals.
  • the preparation of the non-slip glaze layer material in step (1) prepare quartz powder with a particle size of ⁇ 0.15mm, albite with a particle size of ⁇ 2.0mm, and limestone and black mud with a particle size of ⁇ 1.0mm , And zinc oxide with a particle size of ⁇ 1.0mm.
  • step (3) the process method described in step (3) is: after step (2) is completed, zinc oxide is added externally, ball milling is continued for 1 hour, and the resulting glaze slurry is ready for use.
  • the fineness of the microcrystalline anti-skid glaze slurry is controlled.
  • the microcrystalline molten zinc oxide large particles are easier to crystallize, because the coarse particles of zinc oxide have strong resistance to high temperature melting and relatively high local supersaturation. , Help the formation of microcrystalline nuclei, control the 80-mesh sieve residue to 0.1%-0.2%.
  • the technical solution for glazing of the non-slip glaze layer in step (4) is: the preparation specific gravity of the glaze slurry is between 1.70 and 1.80, and the thickness of the glaze layer is controlled within 1.6-2 mm.
  • the thickness is thicker than the general glaze layer to ensure that the glaze has good fluidity during the high temperature firing process. At the same time, it can make the crystals appear in the direction perpendicular to the glaze surface to a larger suspension space, and can be formed during the crystallization process of the glaze Larger eddy currents can promote the growth and development of microcrystals, thereby forming a microcrystalline glaze layer with anti-slip function.
  • the firing process of the non-slip glaze layer in step (5) the firing temperature is 1190°C, then drops to 1080°C, then rises to 1120°C for 20 minutes, and then gradually cools down to obtain a fine surface with crystals. Tile with anti-slip layer.
  • the firing process of the non-slip glaze layer in step (5) the firing atmosphere of the kiln is an oxidizing atmosphere.
  • the firing temperature in step (5) has a great influence on the crystals. If the temperature is too high, the crystal nucleus will be melted. Crystals are not easy to appear or only a few large crystals and residual crystals or surface roughness; too low temperature will cause glazed surface The viscosity is large, the crystals are too small, and the quantity is too large without slipping.
  • the holding time after cooling is the key to determining the number and size of the crystals. When the crystallization temperature is close to the melting point, the crystal flowers are small and large, and when the crystallization temperature is far away, the crystals are many and small. When the temperature is lower than 250°C, it is not easy to crystallize; in addition, the length of the holding time affects The size of the crystals, if the holding time is too long, the crystals will be too large and not delicate.
  • the beneficial effect of the present invention is to solve the problem that the surface of the ceramic tile is too smooth, especially when there is water on the floor.
  • the surface of the microcrystalline ceramic tile is relatively smooth and soft.
  • the surface has the anti-slip effect at the same time, the micro-grooves will be formed between the micro-crystal grains of the glazed surface, and the micro-grooves can produce physical suction cups and anti-slip effects when contacting water.
  • the atmospheric pressure greatly increases the friction coefficient of the ground, which is The water has a more anti-slip effect, which achieves the perfect combination of anti-slip function and soft surface texture, which has high practical value.
  • a microcrystalline non-slip ceramic tile and a production method thereof include the following key steps.
  • the surface is fired at a specific temperature to form a microcrystalline non-slip layer, thereby obtaining a microcrystalline non-slip ceramic tile.
  • the formula composition of the microcrystalline anti-skid glaze slurry is: 25% quartz, 18% limestone, 20% albite, 6% black mud, 4% aluminum oxide, and oxidation Zinc 27%.
  • the microcrystalline core material is zinc oxide.
  • the microcrystalline core and silicon oxide are chemically synthesized into willemite to form microcrystals during the high-temperature calcination process.
  • the amount of zinc oxide added in the formula is controlled between 23-27%. Too much zinc oxide will increase the number of crystals, and cause the glaze and crystal flowers to be unsmooth; if the zinc oxide content is too low, microcrystals cannot be formed due to insufficient saturation of the high-temperature melt; Al 2 O 3 is added The amount should not be greater than 3% to 4%, otherwise it will increase the glaze viscosity and affect the crystal development.
  • the preparation of the non-slip glaze layer material in step (1) prepare quartz powder with a particle size of ⁇ 0.15mm, albite with a particle size of ⁇ 2.0mm, and limestone and black mud with a particle size of ⁇ 1.0mm , And zinc oxide with a particle size of ⁇ 1.0mm.
  • step (3) the process method described in step (3) is: after step (2) is completed, zinc oxide is added externally, ball milling is continued for 1 hour, and the resulting glaze slurry is ready for use.
  • the fineness of the microcrystalline anti-skid glaze slurry is controlled.
  • the microcrystalline molten zinc oxide large particles are easier to crystallize, because the coarse particles of zinc oxide have strong resistance to high temperature melting and relatively high local supersaturation. , It is helpful for the formation of microcrystalline nuclei, and the residue on the 80 mesh sieve is controlled at 0.15%.
  • the technical solution for glazing of the non-slip glaze layer in step (4) is: the preparation specific gravity of the glaze slurry is between 1.70 and 1.80, and the thickness of the glaze layer is controlled at 1.9 mm.
  • the thickness is thicker than the general glaze layer to ensure that the glaze has good fluidity during the high-temperature firing process. At the same time, it can make the crystals appear in a larger suspension space in the direction perpendicular to the glaze layer and the glaze surface, and can be formed during the crystallization of the glaze Larger eddy currents can promote the growth and development of microcrystals, thus forming a microcrystalline glaze layer with anti-slip function.
  • the firing process of the non-slip glaze layer in step (5) the firing temperature is 1190°C, then drops to 1080°C, then rises to 1120°C for 20 minutes, and then gradually cools down to obtain a fine surface with crystals. Tile with anti-slip layer.
  • the firing process of the non-slip glaze layer in step (5) the firing atmosphere of the kiln is an oxidizing atmosphere.
  • the firing temperature in step (5) has a great influence on the crystals. If the temperature is too high, the crystal nucleus will be melted. Crystals are not easy to appear or only a few large crystals and residual crystals or surface roughness; too low temperature will cause glazed surface The viscosity is large, the crystals are too small, and the quantity is too large without slipping.
  • the holding time after cooling is the key to determining the number and size of the crystals. When the crystallization temperature is close to the melting point, the crystal flowers are small and large, and when the crystallization temperature is far away, the crystals are many and small. When the temperature is lower than 250°C, it is not easy to crystallize; in addition, the length of the holding time affects The size of the crystals, if the holding time is too long, the crystals will be too large and not delicate.
  • a microcrystalline anti-slip ceramic tile obtained by the above process method.
  • the surface of the ceramic tile is not a concave-convex surface pressed by a mold, but a soft and smooth surface with anti-slip function. Grooves, tiny grooves can produce physical suction cups and anti-slip effects when encountering water, and use atmospheric pressure to greatly increase the coefficient of friction on the ground, that is, to achieve a more slip-resistant effect when encountering water.
  • the invention effectively solves the problem of people falling due to the wet ground becoming slippery, achieves the perfect combination of the anti-slip function and the soft texture of the surface, and has high practical value.

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Abstract

一种微晶体防滑瓷砖的生产方法，其生产方法包含如下步骤：(1)制定微晶体防滑釉料形成基釉配料；(2)基釉配料并预球磨成半成釉浆；(3)加微晶核材料再球磨得到微晶体防滑釉浆；(4)先在底坯淋一层底釉，然后在底釉层表面再淋一层防滑釉浆层；(5)在特定温度条件下烧成表面形成微晶体防滑层，从而得到一种微晶体防滑瓷砖。生产的产品有效解决了由于地面湿水变滑造成人员摔伤的问题，达到了防滑功能与表面柔和质感的完美结合，具有很高的实用价值。

Description

一种微晶体防滑瓷砖的生产方法 技术领域
本发明涉及一种建筑装饰材料的生产方法，特别是一种微晶体防滑瓷砖的生产方法。
背景技术
传统的釉面瓷砖产品表面为平面玻璃体，表面比较光滑，防滑性能较差；而通过干粒防滑的工艺方法，能达到良好的防滑性能，但是表面太过粗糙，使用场所受到限制。
发明内容
本发明所解决的技术问题即在提供一种微晶体防滑瓷砖，其原理是在特种基釉里面添加粒径很粗的氧化锌，形成新的配方体系，在特定的烧成条件下，氧化锌与石英会结合成一种细微结晶体，微晶体与釉面结合在釉表面得到微晶体防滑层，微晶体防滑层具有纳米级的微小晶粒，晶粒间会形成微小凹槽，遇水时微小凹槽会注满水，当脚底或鞋底接触瓷砖表面时，水受压后会从微小凹槽中挤出，使凹槽孔内呈真空状态，从而使脚底或鞋底与瓷砖表面接触能产生物理吸盘和止滑的作用，利用大气压力，使地面摩擦系数大大增加，即实现遇水更防滑的效果。本发明有效解决了由于地面湿水变滑造成人员摔伤的问题，达到了防滑功能与表面柔和质感的完美结合，具有很高的实用价值。
本发明所采用的技术手段如下所述。
一种微晶体防滑瓷砖及其生产方法，其特征在于，包含如下关键步骤：
(1)制定微晶体防滑釉料配方及原材料制备；
(2)基釉配料并预球磨成半成釉浆；
(3)加微晶核材料再球磨得到微晶体防滑釉浆；
(4)先淋一层底釉，然后在底釉层表面再淋一层防滑釉浆层；
(5)在特定温度条件下烧成表面形成微晶体防滑层，从而得到一种微晶体防滑瓷砖。
如上所述步骤(1)中，微晶体防滑釉浆的配方组成按重量百分比为：石英22-25％，石灰石12-18％，钠长石15-21％，黑泥5-6％，三氧化二铝3％-4％，氧化锌23-27％。
其中，微晶体防滑釉配方说明，微晶核材料选用的是氧化锌，微晶核与氧化硅在高温煅烧过程中化合成硅锌矿形成微晶体，在配方中氧化锌的加入量控制在23-27％之间，氧化锌的含量过多会增加析晶体数量，并导致釉面和晶花不光滑；氧化锌含量太低，又会因高温熔液的饱和度不够而不能形成微晶体；Al 2O 3加入量不应大于3％～4％，否则会因其提高釉粘度而影响晶体发育。
其中，步骤(1)中所述防滑釉层材料的制备：准备粒径为Φ0.15mm的石英粉，粒径为Φ2.0mm的钠长石，及粒径为Φ1.0mm的石灰石、黑泥，以及粒径为Φ1.0mm的氧化锌。
其中步骤(2)中，将上述基础釉料装入球磨机，其中料:球:水(wt％)＝1:1:0.6，球磨时间为40小时，所得釉浆过325目标准筛，筛余0.2％-0.5％，得到半成釉浆备用。
其中，步骤(3)中所述的工艺方法为：在完成步骤(2)后，再外加入氧化锌，继续球磨1小时，得到的成釉浆备用。
其中，微晶体防滑釉浆的细度控制，作为微晶体熔质的氧化锌，大颗粒更容易析晶，因为粗颗粒的氧化锌抗高温熔解能力强，相对的局部过饱和度较高，有助于微晶核形成，控制在80目筛余为0.1％-0.2％。
其中，步骤(4)中所述防滑釉层的施釉技术方案为：釉浆调制比重为1.70-1.80之间，釉层厚度控制在1.6～2mm。厚度比一般釉层厚，确保在高温烧成过程中，釉流动性好，同时能在釉层与釉面垂直的方向使晶体出现较大的悬浮空间，且能在釉料析晶过程中形成较大的涡流，才能促成微晶体的生长发育，从而形成具有防滑功能的微晶体釉层。
其中，步骤(5)中所述防滑釉层的烧成工艺：烧成温度1190℃，然后下降到1080℃，再回升到1120℃保温20分钟，然后逐步降温冷确，得到表面细腻又具有晶体防滑层的瓷砖。
其中，步骤(5)中所述防滑釉层的烧成工艺：窑炉烧成气氛是氧化气氛。
其中，步骤(5)中烧成温度对结晶体的影响很大，温度过高会熔化晶核，不易出现结晶体或只出现极少数的大结晶体和残晶或者表面粗糙；温度太低则导致釉面的粘度大，晶体太小，数量多而不防滑。降温后的保温时间是决定结晶体多少和大小的关键，结晶温度接近熔点时晶花少而大，远离熔点则晶体多而小；降温幅度超过250℃则不易结晶；另外，保温时间的长短影响着晶体的大小，保温时间过长，结晶体就会太大而不细腻。
本发明的有益效果是解决了由于瓷砖表面太平滑，特别是瓷砖铺贴在地面上有水时，太滑造成人员摔伤的问题，而微晶体瓷砖表面整体比较平整柔和，在柔和的釉面上同时兼备了防滑效果，釉面微晶粒间会形成微小凹槽，遇水时微小凹槽能产生物理吸盘和止滑的 作用，利用大气压力，使地面摩擦系数大大增加，即实现遇水更防滑的效果，达到了防滑功能与表面柔和质感的完美结合，具有很高的实用价值。
具体实施方式
一种微晶体防滑瓷砖及其生产方法，包含如下关键步骤。
(1)制定微晶体防滑釉料配方及原材料制备；
(2)基釉配料并预球磨成半成釉浆；
(3)加微晶核材料再球磨得到微晶体防滑釉浆；
(4)先淋一层底釉，然后在底釉层表面再淋一层防滑釉浆层；
(5)在特定温度条件下烧成表面形成微晶体防滑层，从而得到一种微晶体防滑瓷砖。
如上所述步骤(1)中，微晶体防滑釉浆的配方组成按重量百分比为：石英25％，石灰石18％，钠长石20％，黑泥6％，三氧化二铝4％，氧化锌27％。
其中，微晶核材料选用的是氧化锌，微晶核与氧化硅在高温煅烧过程中化合成硅锌矿形成微晶体，在配方中氧化锌的加入量控制在23-27％之间，氧化锌的含量过多会增加析晶体数量，并导致釉面和晶花不光滑；氧化锌含量太低，又会因高温熔液的饱和度不够而不能形成微晶体；Al 2O 3加入量不应大于3％～4％，否则会因其提高釉粘度而影响晶体发育。
其中，步骤(1)中所述防滑釉层材料的制备：准备粒径为Φ0.15mm的石英粉，粒径为Φ2.0mm的钠长石，及粒径为Φ1.0mm的石灰石、黑泥，以及粒径为Φ1.0mm的氧化锌。
其中步骤(2)中，将上述基础釉料装入球磨机，其中料:球:水(wt％)＝1:1:0.6，球磨时间为40小时，所得釉浆过325目标准筛，筛余0.4％，得到半成釉浆备用。
其中，步骤(3)中所述的工艺方法为：在完成步骤(2)后，再外加入氧化锌，继续球磨1小时，得到的成釉浆备用。
其中，微晶体防滑釉浆的细度控制，作为微晶体熔质的氧化锌，大颗粒更容易析晶，因为粗颗粒的氧化锌抗高温熔解能力强，相对的局部过饱和度较高，有助于微晶核形成，控制在80目筛余为0.15％。
其中，步骤(4)中所述防滑釉层的施釉技术方案为：釉浆调制比重为1.70-1.80之间，釉层厚度控制在1.9mm。厚度比一般釉层厚，确保在高温烧成过程中，釉流动性好，同时能在釉层与釉面垂直的方向使晶体出现较大的悬浮空间，且能在釉料析晶过程中形成较大的涡流，才能促成微晶体的生长发育，从而形成具有防滑功能的微晶体釉层。
其中，步骤(5)中所述防滑釉层的烧成工艺：烧成温度1190℃，然后下降到1080℃，再回升到1120℃保温20分钟，然后逐步降温冷确，得到表面细腻又具有晶体防滑层的瓷砖。
其中，步骤(5)中所述防滑釉层的烧成工艺：窑炉烧成气氛是氧化气氛。
其中，步骤(5)中烧成温度对结晶体的影响很大，温度过高会熔化晶核，不易出现结晶体或只出现极少数的大结晶体和残晶或者表面粗糙；温度太低则导致釉面的粘度大，晶体太小，数量多而不防滑。降温后的保温时间是决定结晶体多少和大小的关键，结晶温度接近熔点时晶花少而大，远离熔点则晶体多而小；降温幅度超过250℃则不易结晶；另外，保温时间的长短影响着晶体的大小，保温时间过长，结晶体就会太大而不细腻。
如上工艺方法所得的一种微晶体防滑瓷砖，所述瓷砖表面不是模具压制的凹凸面，而是具有防滑功能的柔和平整面，防滑层具有纳米级的微小晶粒，晶粒间会形成微小凹槽，遇水时微小凹槽能产生物理吸盘和止滑的作用，利用大气压力，使地面摩擦系数大大增加，即实现遇水更防滑的效果。本发明有效解决了由于地面湿水变滑造成人员摔伤的问题，达到了防滑功能与表面柔和质感的完美结合，具有很高的实用价值。

Claims (10)

  1. 一种微晶体防滑瓷砖的生产方法，其特征在于，
    其生产方法包含如下关键步骤：
    (1)制定微晶体防滑釉料形成基釉配料；
    (2)基釉配料并预球磨成半成釉浆；
    (3)加微晶核材料再球磨得到微晶体防滑釉浆；
    (4)先在底坯淋一层底釉，然后在底釉层表面再淋一层微晶防滑釉浆层；
    (5)在特定温度条件下烧成表面形成微晶体防滑层，从而得到一种微晶体防滑瓷砖。
  2. 如权利要求1所述的一种微晶体防滑瓷砖的生产方法，其特征在于：所述微晶体防滑釉料配方组成按重量百分比为：石英22～25％，石灰石12～18％，钠长石15～21％，黑泥5～6％，三氧化二铝3％～4％，氧化锌23～27％。
  3. 如权利要求1所述的一种微晶体防滑瓷砖的生产方法，其特征在于：微晶体防滑釉料配方中，微晶核材料选用的是氧化锌，微晶核与氧化硅在高温煅烧过程中化合成硅锌矿形成微晶体。
  4. 如权利要求1所述的一种微晶体防滑瓷砖的生产方法，其特征在于：所述步骤(1)中防滑釉层材料的制备：准备粒径为Φ0.15mm的石英粉，粒径为Φ2.0mm的钠长石，及粒径为Φ1.0mm的石灰石、黑泥，以及粒径为Φ1.0mm的氧化锌。
  5. 如权利要求1所述的一种微晶体防滑瓷砖的生产方法，其特征在于：其中步骤(2)中，将上述基础釉料装入球磨机，其中料:球:水(wt％)＝1:1:0.6，球磨时间为40小时，所得釉浆过325目标准筛，筛余0.2％-0.5％，得到半成釉浆备用。
  6. 如权利要求1所述的一种微晶体防滑瓷砖的生产方法，其特征在于：其中，步骤(3)中所述的工艺方法为：在完成步骤(2)后，再外加入氧化锌，与基釉浆一起再球磨1小时，得到的微晶体防滑釉浆备用。
  7. 如权利要求1所述的一种微晶体防滑瓷砖的生产方法，其特征在于：其中，微晶体防滑釉浆的细度控制，80目筛余量为0.1％～0.2％。
  8. 如权利要求1所述的一种微晶体防滑瓷砖的生产方法，其特征在于：其中，步骤(4)中所述防滑釉层的施釉技术方案为：釉浆调制比重为1.70-1.80之间，釉层厚度控制在1.6～2mm。
  9. 如权利要求1所述的一种微晶体防滑瓷砖的生产方法，其特征在于：其中，步骤(5)中所述防滑釉层的特定烧成条件：烧成温度1190℃，然后下降到1080℃，再回升到1120℃ 保温20分钟，然后逐步降温冷确，总烧成时间为100分钟，得到表面细腻又具有晶体防滑层的瓷砖。
  10. 如权利要求9所述的一种微晶体防滑瓷砖的生产方法，其特征在于：窑炉烧成气氛是氧化气氛，在降温冷确过程中，在250℃之前，降温幅度为每10分钟降幅小于250℃。
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