CN113354403A - 一种无釉仿石材厚砖及其制备方法 - Google Patents
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- 239000011449 brick Substances 0.000 title claims abstract description 62
- 238000002360 preparation method Methods 0.000 title claims abstract description 12
- 239000000843 powder Substances 0.000 claims abstract description 88
- 239000000463 material Substances 0.000 claims abstract description 82
- 239000002245 particle Substances 0.000 claims abstract description 65
- 239000002994 raw material Substances 0.000 claims abstract description 47
- 239000000049 pigment Substances 0.000 claims abstract description 31
- 238000002156 mixing Methods 0.000 claims abstract description 26
- CPLXHLVBOLITMK-UHFFFAOYSA-N Magnesium oxide Chemical compound [Mg]=O CPLXHLVBOLITMK-UHFFFAOYSA-N 0.000 claims abstract description 20
- 239000004576 sand Substances 0.000 claims abstract description 14
- DGAQECJNVWCQMB-PUAWFVPOSA-M Ilexoside XXIX Chemical compound C[C@@H]1CC[C@@]2(CC[C@@]3(C(=CC[C@H]4[C@]3(CC[C@@H]5[C@@]4(CC[C@@H](C5(C)C)OS(=O)(=O)[O-])C)C)[C@@H]2[C@]1(C)O)C)C(=O)O[C@H]6[C@@H]([C@H]([C@@H]([C@H](O6)CO)O)O)O.[Na+] DGAQECJNVWCQMB-PUAWFVPOSA-M 0.000 claims abstract description 13
- 229910052656 albite Inorganic materials 0.000 claims abstract description 13
- 239000000395 magnesium oxide Substances 0.000 claims abstract description 13
- 239000011734 sodium Substances 0.000 claims abstract description 13
- 229910052708 sodium Inorganic materials 0.000 claims abstract description 13
- PNEYBMLMFCGWSK-UHFFFAOYSA-N aluminium oxide Inorganic materials [O-2].[O-2].[O-2].[Al+3].[Al+3] PNEYBMLMFCGWSK-UHFFFAOYSA-N 0.000 claims abstract description 11
- 238000010304 firing Methods 0.000 claims abstract description 11
- 239000005995 Aluminium silicate Substances 0.000 claims abstract description 7
- 235000012211 aluminium silicate Nutrition 0.000 claims abstract description 7
- 239000000440 bentonite Substances 0.000 claims abstract description 7
- 229910000278 bentonite Inorganic materials 0.000 claims abstract description 7
- SVPXDRXYRYOSEX-UHFFFAOYSA-N bentoquatam Chemical compound O.O=[Si]=O.O=[Al]O[Al]=O SVPXDRXYRYOSEX-UHFFFAOYSA-N 0.000 claims abstract description 7
- NLYAJNPCOHFWQQ-UHFFFAOYSA-N kaolin Chemical compound O.O.O=[Al]O[Si](=O)O[Si](=O)O[Al]=O NLYAJNPCOHFWQQ-UHFFFAOYSA-N 0.000 claims abstract description 7
- 239000004033 plastic Substances 0.000 claims abstract description 7
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- 239000004575 stone Substances 0.000 claims description 11
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- 239000003086 colorant Substances 0.000 claims description 7
- ZLMJMSJWJFRBEC-UHFFFAOYSA-N Potassium Chemical compound [K] ZLMJMSJWJFRBEC-UHFFFAOYSA-N 0.000 claims description 6
- 230000032683 aging Effects 0.000 claims description 6
- 238000000498 ball milling Methods 0.000 claims description 6
- BRPQOXSCLDDYGP-UHFFFAOYSA-N calcium oxide Chemical compound [O-2].[Ca+2] BRPQOXSCLDDYGP-UHFFFAOYSA-N 0.000 claims description 6
- 239000000292 calcium oxide Substances 0.000 claims description 6
- ODINCKMPIJJUCX-UHFFFAOYSA-N calcium oxide Inorganic materials [Ca]=O ODINCKMPIJJUCX-UHFFFAOYSA-N 0.000 claims description 6
- 229910052500 inorganic mineral Inorganic materials 0.000 claims description 6
- AXZKOIWUVFPNLO-UHFFFAOYSA-N magnesium;oxygen(2-) Chemical compound [O-2].[Mg+2] AXZKOIWUVFPNLO-UHFFFAOYSA-N 0.000 claims description 6
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- 235000019832 sodium triphosphate Nutrition 0.000 claims description 6
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- UQSXHKLRYXJYBZ-UHFFFAOYSA-N iron oxide Inorganic materials [Fe]=O UQSXHKLRYXJYBZ-UHFFFAOYSA-N 0.000 claims description 5
- NDLPOXTZKUMGOV-UHFFFAOYSA-N oxo(oxoferriooxy)iron hydrate Chemical compound O.O=[Fe]O[Fe]=O NDLPOXTZKUMGOV-UHFFFAOYSA-N 0.000 claims description 5
- 239000003973 paint Substances 0.000 claims 1
- 239000011499 joint compound Substances 0.000 abstract 2
- 239000010433 feldspar Substances 0.000 abstract 1
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- 239000002131 composite material Substances 0.000 description 4
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- 238000010521 absorption reaction Methods 0.000 description 3
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- JEIPFZHSYJVQDO-UHFFFAOYSA-N iron(III) oxide Inorganic materials O=[Fe]O[Fe]=O JEIPFZHSYJVQDO-UHFFFAOYSA-N 0.000 description 1
- YOBAEOGBNPPUQV-UHFFFAOYSA-N iron;trihydrate Chemical compound O.O.O.[Fe].[Fe] YOBAEOGBNPPUQV-UHFFFAOYSA-N 0.000 description 1
- 238000012986 modification Methods 0.000 description 1
- 230000004048 modification Effects 0.000 description 1
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Abstract
一种无釉仿石材厚砖及其制备方法,无釉仿石材厚砖由粉料和大颗粒料混合烧制而成,粉料与大颗粒料均由基础原料与颜料混合而成;基础原料由以下原料组成:高岭土、高铝泥、膨润土、塑性泥、镁质土、硅灰石、钠长石、矿沙、高白沙、钾钠长石、稀释剂、腐殖酸钠,本发明制备的仿石材砖,通过添加大颗粒料与粉料混合,使烧制后的仿石材砖表面及内部不规则分布有大颗粒料,类似石材,且制备的仿石材砖表面无釉,一方面裁切后的截面与表面仍保持一致,便于裁切,保证铺设后仿石材厚砖的美观性,另一方面,产品经久耐用,表面超长时间耐磨,即使是表面磨损或碰缺后,由于表面和内部的一致性,不会影响产品铺贴的外观整体一致性。
Description
技术领域
本发明属于仿石材砖领域,具体涉及一种无釉仿石材厚砖及其制备方法。
背景技术
现有的仿石材厚砖绝大多数是釉面陶瓷砖,它由坯体和釉面两个部分构成,在瓷砖坯体表面施釉,经过高压压制高温烧制而成,是一类装饰材料。市场上常见的大多数仿石材厚砖都存在着:防滑效果欠佳,防污效果欠佳,因表面有釉层,长期使用磨损釉面后或经受磕碰破裂后会漏出颜色不一样的内质,影响整体外观效果;且因需要裁切后截面与表面颜色不一致,影响装饰整体一致性。
发明内容
本发明的目的是克服现有技术的缺点,提供一种吸水率小、强度高的无釉仿古石材砖,另一目的是提供一种制备上述无釉仿古石材砖的方法。
本发明采用如下技术方案:
一种无釉仿石材厚砖,由粉料和大颗粒料混合烧制而成,粉料与大颗粒料均由基础原料与颜料混合而成;其厚度超过瓷砖的一半或一半以上,以代替室外铺地石材的陶瓷砖;
基础原料由以下重量份的原料组成:高岭土5-10份、高铝泥15-25份、膨润土1-5份、塑性泥1-3份、镁质土1-5份、硅灰石1-5份、钠长石8-14份、矿沙10-20份、高白沙20-30份、钾钠长石10-15份、稀释剂0.1-0.5份、腐殖酸钠0.3-1份;
颜料的加入量为基础原料质量的0-5%;粉料所用颜料与大颗粒料所用颜料的颜色不一致。
进一步的,所述基础原料的化学组成按质量百分比具体如下:二氧化硅:64.36-72.65%、三氧化二铝:14.83-19.36%、三氧化二铁:1.02-1.35%、二氧化钛:0.21-0.23%、氧化钙:1.23-1.51%、氧化镁:0.67-0.75%、钾:3.16-3.91%、钠:1.95-2.37%、烧失量:4.18-6.26%。
进一步的,所述大颗粒料的粒径为3-10mm,所述粉料的粒径小于40目。
进一步的,所述粉料具体包括:50-60重量份的40-60目粉料、10-20重量份的60-80目粉料、5-10重量份的80-100目粉料、0-3重量份的100目以上粉料。
进一步的,所述稀释剂为三聚磷酸钠。
一种无釉仿石材厚砖的制备方法,包括以下步骤:
步骤一,按基础原料配方称重配料,原料分别粉碎、混合、球磨制成所需的泥浆;
步骤二,对步骤一制得的泥浆进行过筛、除铁后,按粉料及大颗粒料要求的颜色加入所需颜料,搅拌均匀后分别进行高温喷雾造粒,得到含水率为7-9%的粉料及大颗粒料所用的基料;
步骤三,分别将粉料及大颗粒料的基料进行陈腐,然后压制成泥饼后,破碎成所需的粒径,得到不同目数的粉料及大颗粒料;
步骤四,按比例称取不同目数的粉料及大颗粒料混合,然后压制成所需规格、所需厚度的砖坯;
步骤五,将压制后的砖坯先进行烘干,然后送入窑炉中在1180-1210℃的温度下,烧制80-100min,得所述无釉仿石材厚砖。
进一步的,所述步骤三中,泥饼压制的压力为2.0-2.5Kgf,所述泥饼的含水率为7-9%。
进一步的,所述步骤五中,砖坯的烘干温度为170-190℃,烘干时间为80-100min。
由上述对本发明的描述可知,与现有技术相比,本发明的有益效果是:
第一,本发明制备的仿石材砖,通过添加大颗粒料与粉料混合,使烧制后的仿石材砖表面及内部不规则分布有大颗粒料,类似石材,且制备的仿石材砖表面无釉,一方面裁切后的截面与表面仍保持一致,便于裁切,保证铺设后仿石材厚砖的美观性,另一方面,产品经久耐用,表面超长时间耐磨,即使是表面磨损或碰缺后,由于表面和内部的一致性,不会影响产品铺贴的外观整体一致性;
第二,本发明制备的仿石材砖吸水率低≤0.1%、抗折强度≥8500N、断裂模数≥40MPa,能够在苛刻的室外高负荷场所长时间使用;其表面烧成致密高、防污能力强,能够长时间保持表面干净,且降低日常保养的工作量,同时防滑指标可达R11,具有相当的防滑性能;
第二,通过控制粉料及大颗粒料的原料组成及限定具体的制备工艺,并进一步限定喷雾造粒后的含水率及泥饼压制的压力,保证烧制的仿石材砖不开裂,且防污能力强,能够长时间保持表面干净,日常保养的工作量低。
具体实施方式
以下通过具体实施方式对本发明作进一步的描述。
一种无釉仿石材厚砖,由粉料和大颗粒料混合烧制而成,其厚度超过常规瓷砖的一半或一半以上,以代替室外铺地石材的陶瓷砖;具体的,粉料与大颗粒料均由基础原料与颜料混合而成;大颗粒料的粒径为3-10mm,粉料的粒径小于40目;进一步的,本发明制备的仿石材厚度的厚度为18mm、20mm、25mm、30mm。
基础原料由以下重量份的原料组成:高岭土5-10份、高铝泥15-25份、膨润土1-5份、塑性泥1-3份、镁质土1-5份、硅灰石1-5份、钠长石8-14份、矿沙10-20份、高白沙20-30份、钾钠长石10-15份、三聚磷酸钠0.1-0.5份、腐殖酸钠0.3-1份;具体的,基础原料的化学组成按质量百分比具体如下:二氧化硅:64.36-72.65%、三氧化二铝:14.83-19.36%、三氧化二铁:1.02-1.35%、二氧化钛:0.21-0.23%、氧化钙:1.23-1.51%、氧化镁:0.67-0.75%、钾:3.16-3.91%、钠:1.95-2.37%、烧失量:4.18-6.26%。
其中,颜料的加入量为基础原料质量的0-5%;粉料所用颜料与大颗粒料所用颜料的颜色不一致,以达到类似石材的效果。
粉料具体包括:50-60重量份的40-60目粉料、10-20重量份的60-80目粉料、5-10重量份的80-100目粉料、0-3重量份的100目以上粉料。
一种无釉仿石材厚砖的制备方法,包括以下步骤:
步骤一,按基础原料配方称重配料,原料分别粉碎、混合、球磨制成所需的泥浆;
步骤二,对步骤一制得的泥浆进行过筛、除铁后,按粉料及大颗粒料要求的颜色加入所需颜料,搅拌均匀后分别进行高温喷雾造粒,得到含水率为7-9%的粉料及大颗粒料所用的基料;
步骤三,分别将粉料及大颗粒料的基料进行陈腐,然后压制成泥饼后,破碎成所需的粒径,得到不同目数的粉料及大颗粒料;
步骤四,按比例称取不同目数的粉料及大颗粒料混合,然后压制成所需规格、所需厚度的砖坯;
步骤五,将压制后的砖坯先进行烘干,然后送入窑炉中在1180-1210℃的温度下,烧制80-100min,得所述无釉仿石材厚砖。
其中,步骤三中,泥饼压制的压力为2.0-2.5Kgf,泥饼的含水率为7-9%;步骤五中,砖坯的烘干温度为170-190℃,烘干时间为80-100min。
实施例1
一种无釉仿石材厚砖,厚度为18mm,由粉料和大颗粒料混合烧制而成,粉料与大颗粒料均由基础原料与颜料混合而成;具体的,大颗粒料的粒径为3-10mm,粉料的粒径小于40目。
基础原料由以下重量份的原料组成:高岭土5份、高铝泥25份、膨润土1份、塑性泥3份、镁质土1份、硅灰石5份、钠长石8份、矿沙20份、高白沙20份、钾钠长石15份、三聚磷酸钠0.1份、腐殖酸钠1份;具体的,基础原料的化学组成按质量百分比具体如下:二氧化硅:72.65%、三氧化二铝:14.83%、三氧化二铁:1.02%、二氧化钛:0.23%、氧化钙:1.23%、氧化镁:0.75%、钾:3.16%、钠:1.95%、烧失量:4.18%。
其中,颜料的加入量为基础原料质量的1%,粉料所用颜料与大颗粒料所用颜料的颜色不一致,以达到类似石材的效果。
粉料具体包括:50重量份的40-60目粉料、20重量份的60-80目粉料、5重量份的80-100目粉料、3重量份的100目以上粉料。
一种无釉仿石材厚砖的制备方法,包括以下步骤:
步骤一,按基础原料配方称重配料,原料分别粉碎、混合、球磨制成所需的泥浆;
步骤二,对步骤一制得的泥浆进行过筛、除铁后,按粉料及大颗粒料要求的颜色加入所需颜料,搅拌均匀后分别进行高温喷雾造粒,得到含水率为7%的粉料及大颗粒料所用的基料;
步骤三,分别将粉料及大颗粒料的基料进行陈腐,然后压制成泥饼后,破碎成所需的粒径,得到不同目数的粉料及大颗粒料;
步骤四,按比例称取不同目数的粉料及大颗粒料混合,然后压制成所需规格、所需厚度的砖坯;
步骤五,将压制后的砖坯先进行烘干,然后送入窑炉中在1180℃的温度下,烧制100min,得所述无釉仿石材厚砖。
其中,步骤三中,泥饼压制的压力为2.0Kgf,泥饼的含水率为7%;步骤五中,砖坯的烘干温度为170℃,烘干时间为100min。
实施例2
一种无釉仿石材厚砖,厚度为25mm,由粉料和大颗粒料混合烧制而成,粉料与大颗粒料均由基础原料与颜料混合而成;具体的,大颗粒料的粒径为3-10mm,粉料的粒径小于40目。
基础原料由以下重量份的原料组成:高岭土10份、高铝泥15份、膨润土5份、塑性泥1份、镁质土5份、硅灰石1份、钠长石14份、矿沙10份、高白沙30份、钾钠长石10份、三聚磷酸钠0.5份、腐殖酸钠0.3份;具体的,基础原料的化学组成按质量百分比具体如下:二氧化硅:64.36%、三氧化二铝:19.36%、三氧化二铁:1.35%、二氧化钛:0.21%、氧化钙:1.51%、氧化镁:0.67%、钾:3.91%、钠:2.37%、烧失量:6.26%。
其中,颜料的加入量为基础原料质量的5%,粉料所用颜料与大颗粒料所用颜料的颜色不一致,以达到类似石材的效果。
粉料具体包括:60重量份的40-60目粉料、10重量份的60-80目粉料、10重量份的80-100目粉料。
一种无釉仿石材厚砖的制备方法,包括以下步骤:
步骤一,按基础原料配方称重配料,原料分别粉碎、混合、球磨制成所需的泥浆;
步骤二,对步骤一制得的泥浆进行过筛、除铁后,按粉料及大颗粒料要求的颜色加入所需颜料,搅拌均匀后分别进行高温喷雾造粒,得到含水率为9%的粉料及大颗粒料所用的基料;
步骤三,分别将粉料及大颗粒料的基料进行陈腐,然后压制成泥饼后,破碎成所需的粒径,得到不同目数的粉料及大颗粒料;
步骤四,按比例称取不同目数的粉料及大颗粒料混合,然后压制成所需规格、所需厚度的砖坯;
步骤五,将压制后的砖坯先进行烘干,然后送入窑炉中在1210℃的温度下,烧制80min,得所述无釉仿石材厚砖。
其中,步骤三中,泥饼压制的压力为2.5Kgf,泥饼的含水率为9%;步骤五中,砖坯的烘干温度为190℃,烘干时间为80min。
实施例3
一种无釉仿石材厚砖,厚度为30mm,由粉料和大颗粒料混合烧制而成,粉料与大颗粒料均由基础原料与颜料混合而成;具体的,大颗粒料的粒径为3-10mm,粉料的粒径小于40目。
基础原料由以下重量份的原料组成:高岭土8份、高铝泥19份、膨润土3份、塑性泥2份、镁质土3份、硅灰石2份、钠长石11份、矿沙15份、高白沙25份、钾钠长石13份、三聚磷酸钠0.3份、腐殖酸钠0.6份;具体的,基础原料的化学组成按质量百分比具体如下:二氧化硅:67.58%、三氧化二铝:17.81%、三氧化二铁:1.13%、二氧化钛:0.22%、氧化钙:1.37%、氧化镁:0.72%、钾:3.53%、钠:2.16%、烧失量:5.48%。
其中,颜料的加入量为基础原料质量的3%,粉料所用颜料与大颗粒料所用颜料的颜色不一致,以达到类似石材的效果。
粉料具体包括:55重量份的40-60目粉料、15重量份的60-80目粉料、8重量份的80-100目粉料、2重量份的100目以上粉料。
一种无釉仿石材厚砖的制备方法,包括以下步骤:
步骤一,按基础原料配方称重配料,原料分别粉碎、混合、球磨制成所需的泥浆;
步骤二,对步骤一制得的泥浆进行过筛、除铁后,按粉料及大颗粒料要求的颜色加入所需颜料,搅拌均匀后分别进行高温喷雾造粒,得到含水率为7.5%的粉料及大颗粒料所用的基料;
步骤三,分别将粉料及大颗粒料的基料进行陈腐,然后压制成泥饼后,破碎成所需的粒径,得到不同目数的粉料及大颗粒料;
步骤四,按比例称取不同目数的粉料及大颗粒料混合,然后压制成所需规格、所需厚度的砖坯;
步骤五,将压制后的砖坯先进行烘干,然后送入窑炉中在1195℃的温度下,烧制90min,得所述无釉仿石材厚砖。
其中,步骤三中,泥饼压制的压力为2.2Kgf,泥饼的含水率为7.5%;步骤五中,砖坯的烘干温度为180℃,烘干时间为90min。
本发明制备的仿石材砖吸水率低≤0.1%、抗折强度≥8500N、断裂模数≥40MPa,能够在苛刻的室外高负荷场所长时间使用;其表面烧成致密高、防污能力强,能够长时间保持表面干净,且降低日常保养的工作量,同时防滑指标可达R11,具有相当的防滑性能;通过控制粉料及大颗粒料的原料组成及限定具体的制备工艺,并进一步限定喷雾造粒后的含水率及泥饼压制的压力,保证烧制的仿石材砖不开裂,且防污能力强,能够长时间保持表面干净,日常保养的工作量低。
以上所述,仅为本发明的较佳实施例而已,故不能以此限定本发明实施的范围,即依本发明申请专利范围及说明书内容所作的等效变化与修饰,皆应仍属本发明专利涵盖的范围内。
Claims (8)
1.一种无釉仿石材厚砖,其特征在于:由粉料和大颗粒料混合烧制而成,粉料与大颗粒料均由基础原料与颜料混合而成;其厚度超过瓷砖的一半或一半以上,以代替室外铺地石材的陶瓷砖;
基础原料由以下重量份的原料组成:高岭土5-10份、高铝泥15-25份、膨润土1-5份、塑性泥1-3份、镁质土1-5份、硅灰石1-5份、钠长石8-14份、矿沙10-20份、高白沙20-30份、钾钠长石10-15份、稀释剂0.1-0.5份、腐殖酸钠0.3-1份;
颜料的加入量为基础原料质量的0-5%;粉料所用颜料与大颗粒料所用颜料的颜色不一致。
2.根据权利要求1所述的一种无釉仿石材厚砖,其特征在于:所述基础原料的化学组成按质量百分比具体如下:二氧化硅:64.36-72.65%、三氧化二铝:14.83-19.36%、三氧化二铁:1.02-1.35%、二氧化钛:0.21-0.23%、氧化钙:1.23-1.51%、氧化镁:0.67-0.75%、钾:3.16-3.91%、钠:1.95-2.37%、烧失量:4.18-6.26%。
3.根据权利要求1所述的一种无釉仿石材厚砖,其特征在于:所述大颗粒料的粒径为3-10mm,所述粉料的粒径小于40目。
4.根据权利要求3所述的一种无釉仿石材厚砖,其特征在于:所述粉料具体包括:50-60重量份的40-60目粉料、10-20重量份的60-80目粉料、5-10重量份的80-100目粉料、0-3重量份的100目以上粉料。
5.根据权利要求1所述的一种无釉仿石材厚砖,其特征在于:所述稀释剂为三聚磷酸钠。
6.一种无釉仿石材厚砖的制备方法,其特征在于:包括以下步骤:
步骤一,按基础原料配方称重配料,原料分别粉碎、混合、球磨制成所需的泥浆;
步骤二,对步骤一制得的泥浆进行过筛、除铁后,按粉料及大颗粒料要求的颜色加入所需颜料,搅拌均匀后分别进行高温喷雾造粒,得到含水率为7-9%的粉料及大颗粒料所用的基料;
步骤三,分别将粉料及大颗粒料的基料进行陈腐,然后压制成泥饼后,破碎成所需的粒径,得到不同目数的粉料及大颗粒料;
步骤四,按比例称取不同目数的粉料及大颗粒料混合,然后压制成所需规格、所需厚度的砖坯;
步骤五,将压制后的砖坯先进行烘干,然后送入窑炉中在1180-1210℃的温度下,烧制80-100min,得所述无釉仿石材厚砖。
7.根据权利要求5所述的一种无釉仿石材厚砖的制备方法,其特征在于:所述步骤三中,泥饼压制的压力为2.0-2.5Kgf,所述泥饼的含水率为7-9%。
8.根据权利要求5所述的一种无釉仿石材厚砖的制备方法,其特征在于:所述步骤五中,砖坯的烘干温度为170-190℃,烘干时间为80-100min。
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CN103422648A (zh) * | 2012-05-18 | 2013-12-04 | 陈章武 | 一种预定图案含不同粒径级配原料的仿石板材及制作方法 |
CN104649679A (zh) * | 2015-02-02 | 2015-05-27 | 陶正武 | 一种高白度陶瓷砖及其制备方法 |
CN105294086A (zh) * | 2015-10-13 | 2016-02-03 | 陕西科技大学 | 一种陶瓷砖坯料及制备方法 |
CN105252637A (zh) * | 2015-10-27 | 2016-01-20 | 佛山市宝岩机器制造有限公司 | 一种生产仿天然大理石抛光砖的布料方法及其布料机 |
CN107915479A (zh) * | 2017-11-06 | 2018-04-17 | 蒙娜丽莎集团股份有限公司 | 一种瓷质通体仿古砖及其制备方法 |
CN111056818A (zh) * | 2019-12-02 | 2020-04-24 | 蒙娜丽莎集团股份有限公司 | 高透明抛光陶瓷厚板及其制备方法 |
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