CN115594488B - 一种防静电陶瓷及其制备方法 - Google Patents
一种防静电陶瓷及其制备方法 Download PDFInfo
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- 239000000919 ceramic Substances 0.000 title claims abstract description 33
- 238000002360 preparation method Methods 0.000 title claims abstract description 18
- 239000002216 antistatic agent Substances 0.000 claims abstract description 37
- XLOMVQKBTHCTTD-UHFFFAOYSA-N Zinc monoxide Chemical compound [Zn]=O XLOMVQKBTHCTTD-UHFFFAOYSA-N 0.000 claims abstract description 36
- 239000000843 powder Substances 0.000 claims abstract description 35
- 239000000463 material Substances 0.000 claims abstract description 31
- 239000002994 raw material Substances 0.000 claims abstract description 24
- VTYYLEPIZMXCLO-UHFFFAOYSA-L Calcium carbonate Chemical compound [Ca+2].[O-]C([O-])=O VTYYLEPIZMXCLO-UHFFFAOYSA-L 0.000 claims abstract description 20
- 239000011787 zinc oxide Substances 0.000 claims abstract description 18
- 239000010453 quartz Substances 0.000 claims abstract description 17
- VYPSYNLAJGMNEJ-UHFFFAOYSA-N silicon dioxide Inorganic materials O=[Si]=O VYPSYNLAJGMNEJ-UHFFFAOYSA-N 0.000 claims abstract description 17
- 239000000454 talc Substances 0.000 claims abstract description 17
- 229910052623 talc Inorganic materials 0.000 claims abstract description 17
- 239000011230 binding agent Substances 0.000 claims abstract description 13
- DLHONNLASJQAHX-UHFFFAOYSA-N aluminum;potassium;oxygen(2-);silicon(4+) Chemical compound [O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[O-2].[Al+3].[Si+4].[Si+4].[Si+4].[K+] DLHONNLASJQAHX-UHFFFAOYSA-N 0.000 claims abstract description 10
- 229910000019 calcium carbonate Inorganic materials 0.000 claims abstract description 10
- 239000010433 feldspar Substances 0.000 claims abstract description 9
- 239000003607 modifier Substances 0.000 claims abstract description 9
- 238000002156 mixing Methods 0.000 claims description 15
- XOLBLPGZBRYERU-UHFFFAOYSA-N tin dioxide Chemical compound O=[Sn]=O XOLBLPGZBRYERU-UHFFFAOYSA-N 0.000 claims description 15
- 239000005995 Aluminium silicate Substances 0.000 claims description 14
- 235000012211 aluminium silicate Nutrition 0.000 claims description 14
- 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 description 14
- 238000010438 heat treatment Methods 0.000 claims description 13
- 238000000034 method Methods 0.000 claims description 10
- XEEYBQQBJWHFJM-UHFFFAOYSA-N Iron Chemical compound [Fe] XEEYBQQBJWHFJM-UHFFFAOYSA-N 0.000 claims description 8
- 238000000498 ball milling Methods 0.000 claims description 8
- JRPBQTZRNDNNOP-UHFFFAOYSA-N barium titanate Chemical compound [Ba+2].[Ba+2].[O-][Ti]([O-])([O-])[O-] JRPBQTZRNDNNOP-UHFFFAOYSA-N 0.000 claims description 8
- 229910002113 barium titanate Inorganic materials 0.000 claims description 8
- DAMJCWMGELCIMI-UHFFFAOYSA-N benzyl n-(2-oxopyrrolidin-3-yl)carbamate Chemical compound C=1C=CC=CC=1COC(=O)NC1CCNC1=O DAMJCWMGELCIMI-UHFFFAOYSA-N 0.000 claims description 8
- 238000007873 sieving Methods 0.000 claims description 8
- HBMJWWWQQXIZIP-UHFFFAOYSA-N silicon carbide Chemical compound [Si+]#[C-] HBMJWWWQQXIZIP-UHFFFAOYSA-N 0.000 claims description 8
- 229910010271 silicon carbide Inorganic materials 0.000 claims description 8
- 229910052656 albite Inorganic materials 0.000 claims description 7
- 239000004927 clay Substances 0.000 claims description 7
- 239000004372 Polyvinyl alcohol Substances 0.000 claims description 6
- 238000001035 drying Methods 0.000 claims description 6
- 229920002451 polyvinyl alcohol Polymers 0.000 claims description 6
- 238000005245 sintering Methods 0.000 claims description 6
- YXTPWUNVHCYOSP-UHFFFAOYSA-N bis($l^{2}-silanylidene)molybdenum Chemical compound [Si]=[Mo]=[Si] YXTPWUNVHCYOSP-UHFFFAOYSA-N 0.000 claims description 5
- 229910021343 molybdenum disilicide Inorganic materials 0.000 claims description 5
- 238000003756 stirring Methods 0.000 claims description 5
- 229910001887 tin oxide Inorganic materials 0.000 claims description 5
- 238000001816 cooling Methods 0.000 claims description 4
- 238000005469 granulation Methods 0.000 claims description 4
- 230000003179 granulation Effects 0.000 claims description 4
- 238000000227 grinding Methods 0.000 claims description 4
- 229910052742 iron Inorganic materials 0.000 claims description 4
- 229920002037 poly(vinyl butyral) polymer Polymers 0.000 claims description 4
- 238000003825 pressing Methods 0.000 claims description 4
- 239000007921 spray Substances 0.000 claims description 4
- 238000001694 spray drying Methods 0.000 claims description 4
- KWYUFKZDYYNOTN-UHFFFAOYSA-M Potassium hydroxide Chemical compound [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 3
- 239000004744 fabric Substances 0.000 claims description 3
- 238000012986 modification Methods 0.000 claims description 3
- 230000004048 modification Effects 0.000 claims description 3
- 229940072033 potash Drugs 0.000 claims description 3
- BITYAPCSNKJESK-UHFFFAOYSA-N potassiosodium Chemical compound [Na].[K] BITYAPCSNKJESK-UHFFFAOYSA-N 0.000 claims description 3
- BWHMMNNQKKPAPP-UHFFFAOYSA-L potassium carbonate Substances [K+].[K+].[O-]C([O-])=O BWHMMNNQKKPAPP-UHFFFAOYSA-L 0.000 claims description 3
- 235000015320 potassium carbonate Nutrition 0.000 claims description 3
- 239000002245 particle Substances 0.000 claims description 2
- KHMOASUYFVRATF-UHFFFAOYSA-J tin(4+);tetrachloride;pentahydrate Chemical compound O.O.O.O.O.Cl[Sn](Cl)(Cl)Cl KHMOASUYFVRATF-UHFFFAOYSA-J 0.000 claims description 2
- 230000000694 effects Effects 0.000 abstract description 9
- 239000004020 conductor Substances 0.000 abstract description 7
- 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 abstract description 3
- 238000005452 bending Methods 0.000 abstract description 3
- 239000011734 sodium Substances 0.000 abstract description 3
- 229910052708 sodium Inorganic materials 0.000 abstract description 3
- 239000007790 solid phase Substances 0.000 abstract description 3
- 239000004566 building material Substances 0.000 abstract description 2
- 230000002195 synergetic effect Effects 0.000 abstract 1
- 230000000052 comparative effect Effects 0.000 description 17
- HEMHJVSKTPXQMS-UHFFFAOYSA-M Sodium hydroxide Chemical compound [OH-].[Na+] HEMHJVSKTPXQMS-UHFFFAOYSA-M 0.000 description 6
- 229910021627 Tin(IV) chloride Inorganic materials 0.000 description 6
- 230000008569 process Effects 0.000 description 6
- 230000003068 static effect Effects 0.000 description 6
- HPGGPRDJHPYFRM-UHFFFAOYSA-J tin(iv) chloride Chemical compound Cl[Sn](Cl)(Cl)Cl HPGGPRDJHPYFRM-UHFFFAOYSA-J 0.000 description 6
- 239000000203 mixture Substances 0.000 description 4
- 239000011248 coating agent Substances 0.000 description 3
- 238000000576 coating method Methods 0.000 description 3
- 230000005611 electricity Effects 0.000 description 3
- 230000032683 aging Effects 0.000 description 2
- 230000007547 defect Effects 0.000 description 2
- 230000002349 favourable effect Effects 0.000 description 2
- 238000001914 filtration Methods 0.000 description 2
- 230000006872 improvement Effects 0.000 description 2
- 239000011159 matrix material Substances 0.000 description 2
- 239000002244 precipitate Substances 0.000 description 2
- 239000000758 substrate Substances 0.000 description 2
- 230000009471 action Effects 0.000 description 1
- 229910052787 antimony Inorganic materials 0.000 description 1
- WATWJIUSRGPENY-UHFFFAOYSA-N antimony atom Chemical compound [Sb] WATWJIUSRGPENY-UHFFFAOYSA-N 0.000 description 1
- 230000008859 change Effects 0.000 description 1
- 239000002131 composite material Substances 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 230000003247 decreasing effect Effects 0.000 description 1
- 238000005516 engineering process Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 230000005484 gravity Effects 0.000 description 1
- 230000006698 induction Effects 0.000 description 1
- 239000012212 insulator Substances 0.000 description 1
- 239000012071 phase Substances 0.000 description 1
- 238000013001 point bending Methods 0.000 description 1
- 229910052665 sodalite Inorganic materials 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- 238000005406 washing Methods 0.000 description 1
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Abstract
本发明公开了一种防静电陶瓷及其制备方法,属于建筑材料领域,其包括坯体以及釉料,坯体包括包裹导电材料,釉料包括改性防静电材料,通过将包裹导电粉作为原料添加至坯体的制备中,包裹处理后导电粉料不容易团聚,能达到防静电材料的使用要求,并与釉料中的改性防静电材料协同作用,使得制备的陶瓷具有优异的表面电阻,起到显著的屏蔽效果;改性防静电材料通过改性剂处理后,能均匀分散于釉料的配方体系中,与纳米氧化锌、碳酸钙、钾长石、钠长石、石英以及煅烧滑石作用,形成连续的固相骨架,与坯体界面相容性优异,表面光滑无气泡;另外,本申请的坯体中添加粘结剂能促进坯体成分之间的粘接相容性,有助于获得抗弯强度优异的坯体。
Description
技术领域
本发明涉及建筑材料领域,具体而言,涉及一种防静电陶瓷及其制备方法。
背景技术
静电是一种处于静止状态的电荷。带电想象的产生是由于物体中的电子发生转移或分子被极化,造成其电子增加或减少而使物体呈负极性或正极性。静电具有吸引力和排斥力,可产生放电电流。产生静电的方式有摩擦生电、感应起电、传导起电。现实中鞋子和地面之间的摩擦起电,家电产生的静电会以传导的方式被累积,而现有居室内的装饰材料多为绝缘体,使得聚集的静电无法得到及时释放,长此以往,存在潜在的危害。
随着人们生活水平的提高,人们环保防护意识增强,防静电的材料的应用也越来越广泛。陶瓷是广泛应用的地面以及墙体材料,开发具有防静电作用的陶瓷具有非常重大的意义,现在技术中通过相复合技术,外加导电成分与陶瓷相结合,达到一定的防静电效果。但是现有技术中依然存在导电材料于陶瓷基体的难以亲合,分散性差;导电材料与基体混合后,高温烧结且烧结时间长,导电材料部分氧化,使得抗静电效果差的问题。
发明内容
基于此,为了现有技术中依然存在导电材料于陶瓷基体的难以亲合,分散性差;导电材料与基体混合后,高温烧结且烧结时间长,导电材料部分氧化,使得抗静电效果差的问题。本发明提供了一种防静电陶瓷及其制备方法,具体技术方案如下:
一种防静电陶瓷,所述陶瓷包括坯体以及釉料,按照重量份,所述坯体由以下的制备原料组成:
高岭土20份-25份、粘土15份-20份、钾钠长石30份-35份、石英13份-16份、黑滑石8份-10份、包裹导电粉5份-10份,粘结剂1份-3份;
按照重量份,所述釉料由以下的制备原料组成:水洗高岭土8份-10份、钠长石20份-25份、钾长石20份-25份、碳酸钙5份-8份、煅烧滑石6份-10份、石英10份-15份、纳米氧化锌3份-5份、改性防静电材料5份-8份;
所述改性防静电材料由二硅化钼、氧化锡、锑掺杂二氧化锡经过改性剂进行改性处理得到。
进一步地,包裹导电粉由氧化锌、钛酸钡以及碳化硅混合后,包裹处理得到。
进一步地,所述粘结剂为聚乙烯醇。
进一步地,所述改性剂为聚乙烯醇缩丁醛。
进一步地,改性防静电材料的平均粒径为1mm-3.0mm。
进一步地,所述包裹处理为:将氧化锌、钛酸钡以及碳化硅分别研磨、过筛处理,在喷雾造粒塔进行造粒,得到导电粉料;
将五水氯化锡以及三氯化锑添加至所述导电粉料中,混合均匀后,加入氢氧化钠,加热反应10min-25min,静置陈化10h-12h,过滤,取沉淀于45℃-65℃的条件下干燥1h-3h,得到包裹导电粉。
进一步地,所述五水氯化锡以及三氯化锑的质量比为1:3。
进一步地,按照质量比,所述五水氯化锡以及三氯化锑中添加量占所述导电粉料的18%-30%。
另外,本申请提供一种防静电陶瓷的制备方法,包括以下步骤:
将高岭土、粘土、钾钠长石、石英、黑滑石混合,湿法球磨后,得到混料A;
将所述混料A进行过筛处理以及除铁,再加入包裹导电粉以及粘结剂,搅拌均匀,得到混料B;
将所述混料B喷雾干燥处理后,压制成型,得到坯体,备用;
将水洗高岭土、钠长石、钾长石、碳酸钙、煅烧滑石、石英、纳米氧化锌以及改性防静电材料混合,湿法球磨后,得到釉料;
将釉料布施于所述坯体上,烘干处理,再烧结处理,得到防静电陶瓷。
进一步地,所述烧结处理为:以2℃/min-5℃/min的升温速率升温至1170℃~1200℃,并保温2h-4h,然后以5℃/min-10℃/min速率降温至室温。
上述方案中通过将包裹导电粉作为原料添加至坯体的制备中,包裹处理后导电粉料不容易团聚,能达到防静电材料的使用要求,并与釉料中的改性防静电材料协同作用,使得制备的陶瓷具有优异的表面电阻,起到显著的屏蔽效果,能有效吸收低频电磁波;改性防静电材料通过改性剂处理后,能均匀分散于釉料的配方体系中,与纳米氧化锌、碳酸钙、钾长石、钠长石、石英以及煅烧滑石作用,形成连续的固相骨架,与坯体界面相容性优异,表面光滑无气泡;另外,本申请的坯体中添加粘结剂能促进坯体成分之间的粘接相容性,有助于获得抗弯强度优异的坯体。
具体实施方式
为了使得本发明的目的、技术方案及优点更加清楚明白,以下结合其实施例,对本发明进行进一步详细说明。应当理解的是,此处所描述的具体实施方式仅用以解释本发明,并不限定本发明的保护范围。除非另有定义,本文所使用的所有的技术和科学术语与属于本发明的技术领域的技术人员通常理解的含义相同。本文中在本发明的说明书中所使用的术语只是为了描述具体的实施方式的目的,不是旨在于限制本发明。本文所使用的术语“及/或”包括一个或多个相关的所列项目的任意的和所有的组合。
本发明一实施例中的一种防静电陶瓷,所述陶瓷包括坯体以及釉料,按照重量份,所述坯体由以下的制备原料组成:
高岭土20份-25份、粘土15份-20份、钾钠长石30份-35份、石英13份-16份、黑滑石8份-10份、包裹导电粉5份-10份,粘结剂1份-3份;
按照重量份,所述釉料由以下的制备原料组成:水洗高岭土8份-10份、钠长石20份-25份、钾长石20份-25份、碳酸钙5份-8份、煅烧滑石6份-10份、石英10份-15份、纳米氧化锌3份-5份、改性防静电材料5份-8份;
所述改性防静电材料由二硅化钼、氧化锡、锑掺杂二氧化锡经过改性剂进行改性处理得到。
在其中一个实施例中,所述二硅化钼、氧化锡、锑掺杂二氧化锡的质量比为1-5:1-3:1-9。
在其中一个实施例中,包裹导电粉由氧化锌、钛酸钡以及碳化硅混合后,包裹处理得到。
在其中一个实施例中,所述氧化锌、钛酸钡以及碳化硅的质量比为1-5:1:1-5。
在其中一个实施例中,所述粘结剂为聚乙烯醇。
在其中一个实施例中,所述改性剂为聚乙烯醇缩丁醛。
在其中一个实施例中,改性防静电材料的平均粒径为1mm-3.0mm。
在其中一个实施例中,所述包裹处理为:将氧化锌、钛酸钡以及碳化硅分别研磨、过筛处理,在喷雾造粒塔进行造粒,得到导电粉料;
将五水氯化锡以及三氯化锑添加至所述导电粉料中,混合均匀后,加入氢氧化钠,加热反应10min-25min,静置陈化10h-12h,过滤,取沉淀于45℃-65℃的条件下干燥1h-3h,得到包裹导电粉。
在其中一个实施例中,所述五水氯化锡以及三氯化锑的质量比为1:3。
在其中一个实施例中,按照质量比,所述五水氯化锡以及三氯化锑中添加量占所述导电粉料的18%-30%。
另外,本申请提供一种防静电陶瓷的制备方法,包括以下步骤:
将高岭土、粘土、钾钠长石、石英、黑滑石混合,湿法球磨后,得到混料A;
将所述混料A进行过筛处理以及除铁,再加入包裹导电粉以及粘结剂,搅拌均匀,得到混料B;
将所述混料B喷雾干燥处理后,压制成型,得到坯体,备用;
将水洗高岭土、钠长石、钾长石、碳酸钙、煅烧滑石、石英、纳米氧化锌以及改性防静电材料混合,湿法球磨后,得到釉料;
将釉料布施于所述坯体上,烘干处理,再烧结处理,得到防静电陶瓷。
在其中一个实施例中,所述釉料的流速为2.85g/s,比重为1.15。
在其中一个实施例中,所述釉料的布施量为450g/m²-650g/m²。
在其中一个实施例中,所述烧结处理为:以2℃/min-5℃/min的升温速率升温至1170℃~1200℃,并保温2h-4h,然后以5℃/min-10℃/min速率降温至室温。
上述方案中通过将包裹导电粉作为原料添加至坯体的制备中,包裹处理后导电粉料不容易团聚,能达到防静电材料的使用要求,并与釉料中的改性防静电材料协同作用,使得制备的陶瓷具有优异的表面电阻,起到显著的屏蔽效果,能有效吸收低频电磁波;改性防静电材料通过改性剂处理后,能均匀分散于釉料的配方体系中,与纳米氧化锌、碳酸钙、钾长石、钠长石、石英以及煅烧滑石作用,形成连续的固相骨架,与坯体界面相容性优异,表面光滑无气泡;另外,本申请的坯体中添加粘结剂能促进坯体成分之间的粘接相容性,有助于获得抗弯强度优异的坯体。
下面将结合具体实施例对本发明的实施方案进行详细描述。
实施例1-3以及对比例1-4的区别在于坯体制备原料的不同,制备工艺相同,具体如表1所示。
表1:
实施例1-3的釉料原料以及原料配比相同,因此列举实施例3釉料的原料以及配比,且还提供了实施例4以及实施例5,实施例4以及实施例5与实施例3的区别仅在于釉料的原料配比不同,其它与实施例3相同;对比例5-8与实施例3的区别仅在于釉料的制备原料以及配比不同,其它与实施例3相同,具体如表2所示。
表2:
实施例1-5以及对比例1-8仅是原料以及原料配比不同,因此,若原料未添加则为0,具体的制备工艺如下:
一种防静电陶瓷的制备方法,包括以下步骤:
将氧化锌、钛酸钡以及碳化硅分别研磨、过筛处理,在喷雾造粒塔进行造粒,得到导电粉料;
将质量比为1:3的五水氯化锡以及三氯化锑添加至所述导电粉料中,混合均匀后,加入氢氧化钠,加热反应25min,静置陈化12h,过滤,取沉淀于65℃的条件下干燥3h,得到包裹导电粉;
二硅化钼、氧化锡、锑掺杂二氧化锡混合后,添加至聚乙烯醇缩丁醛中,搅拌处理后,得到改性防静电材料;
将高岭土、粘土、钾钠长石、石英、黑滑石混合,湿法球磨后,得到混料A;
将所述混料A进行过筛处理以及除铁,再加入包裹导电粉以及聚乙烯醇,搅拌均匀,得到混料B;
将所述混料B喷雾干燥处理后,压制成型,得到坯体,备用;
将水洗高岭土、钠长石、钾长石、碳酸钙、煅烧滑石、石英、纳米氧化锌以及改性防静电材料混合,湿法球磨后,得到釉料;
将以450g/m²-650g/m²的施釉量釉料布施于所述坯体上,烘干处理,以5℃/min的升温速率升温至1170℃,并保温2h,然后以10℃/min速率降温至室温,得到防静电陶瓷。
对比例9:
对比例9与实施例3的区别仅在于,导电粉料未经过包裹处理,其它工艺与实施例3相同。
对比例10:
对比例10与实施例3的区别仅在于防静电材料未经过改性处理,其它工艺与实施例3相同。
对比例11:
对比例11与实施例3的区别仅在于未添加包裹导电粉以及改性防静电材料,其它与实施例3相同。
对实施例1-5以及对比例1-11制备的陶瓷进行相关性能检测,结果如下表3所示。其中,采用三点抗弯强度测试法,参照标准GB/T4740-1999测试抗压强度,参照标准GB26539-2011测试表面电阻。
表3:
由表1的数据分析可知,本申请中获得陶瓷具有优异的强度且其显著的抗静电作用,使其符合在抗静电的场合中使用。具体地,对比例1-3与实施例3的区别在于包裹导电粉的原料以及原料配比不同,影响陶瓷的强度,且陶瓷的表面电阻提高;对比例4与实施例3的区别在于未添加聚乙烯醇,说明本申请在粘结剂聚乙烯醇的作用下有助于提高坯体整体的密度以及交联,进而有助于提高陶瓷整体的强度;对比例5-8与实施例3的区别在于改性防静电材料的原料以及原料的配比不同,可见改性防静电材料的改变影响其表面电阻,且对比例8中未添加改性防静电材料其电阻明显提高;对比例9中的导电粉料未经过包裹导致表面电阻增加;对比例10中的防静电材料未经过改性处理,可见其表面电阻较高;对比例11中未添加包裹导电粉以及改性防静电材料,未达到防静电要求。综合上,本申请的原料、原料配比以及工艺上的改进,能有助于获得同时具有显著强度和显著防静电效果的陶瓷。
以上所述实施例的各技术特征可以进行任意的组合,为使描述简洁,未对上述实施例中的各个技术特征所有可能的组合都进行描述,然而,只要这些技术特征的组合不存在矛盾,都应当认为是本说明书记载的范围。
以上所述实施例仅表达了本发明的几种实施方式,其描述较为具体和详细,但并不能因此而理解为对发明专利范围的限制。应当指出的是,对于本领域的普通技术人员来说,在不脱离本发明构思的前提下,还可以做出若干变形和改进,这些都属于本发明的保护范围。因此,本发明专利的保护范围应以所附权利要求为准。
Claims (4)
1.一种防静电陶瓷,所述陶瓷包括坯体以及釉料,其特征在于,按照重量份,所述坯体由以下的制备原料组成:
高岭土20份-25份、粘土15份-20份、钾钠长石30份-35份、石英13份-16份、黑滑石8份-10份、包裹导电粉5份-10份、粘结剂1份-3份;其中,所述粘结剂为聚乙烯醇;
按照重量份,所述釉料由以下的制备原料组成:水洗高岭土8份-10份、钠长石20份-25份、钾长石20份-25份、碳酸钙5份-8份、煅烧滑石6份-10份、石英10份-15份、纳米氧化锌3份-5份、改性防静电材料5份-8份;
所述改性防静电材料由质量比为1-5:1-3:1-9的二硅化钼、氧化锡、锑掺杂二氧化锡混合后,经过改性剂进行改性处理得到,且所述改性剂为聚乙烯醇缩丁醛;
所述包裹导电粉由质量比为1-5:1:1-5的氧化锌、钛酸钡以及碳化硅混合后,包裹处理得到,且所述包裹处理为:将氧化锌、钛酸钡以及碳化硅分别研磨、过筛处理,在喷雾造粒塔进行造粒,得到导电粉料;
将质量比为1:3的五水氯化锡以及三氯化锑添加至所述导电粉料中,且按照质量比,所述五水氯化锡以及三氯化锑中添加量占所述导电粉料的18%-30%,混合均匀后,加入氢氧化钠,加热反应10min-25min,静置陈化10h-12h,过滤,取沉淀于45℃-65℃的条件下干燥1h-3h,得到包裹导电粉。
2.根据权利要求1所述的防静电陶瓷,其特征在于,改性防静电材料的平均粒径为1mm-3.0mm。
3.一种防静电陶瓷的制备方法,其特征在于,所述制备方法用于制备如权利要求1或2所述的防静电陶瓷,所述制备方法包括以下步骤:
将高岭土、粘土、钾钠长石、石英、黑滑石混合,湿法球磨后,得到混料A;
将所述混料A进行过筛处理以及除铁,再加入包裹导电粉以及粘结剂,搅拌均匀,得到混料B;
将所述混料B喷雾干燥处理后,压制成型,得到坯体,备用;
将水洗高岭土、钠长石、钾长石、碳酸钙、煅烧滑石、石英、纳米氧化锌以及改性防静电材料混合,湿法球磨后,得到釉料;
将釉料布施于所述坯体上,烘干处理,再烧结处理,得到防静电陶瓷。
4.根据权利要求3所述的制备方法,其特征在于,所述烧结处理为:以2℃/min-5℃/min的升温速率升温至1170℃~1200℃,并保温2h-4h,然后以5℃/min-10℃/min速率降温至室温。
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