钒酸铋黄色陶瓷装饰颜料的制备及其呈色性能的研究
发布时间：2018-09-19 20:51
【摘要】：BiVO_4是一种呈色性能较好的黄色颜料。因为它具有耐色性好、色泽明亮、无毒、无污染等优越性能，因此环境友好型颜料将会逐渐取代传统的黄色颜料。本文以EDTA、柠檬酸钠与乙酰丙酮为螯合剂，用固相法、燃烧法、水热法以及微波水热法制备了BiVO_4颜料、Bi_(1-x)La_xVO_4(x=0~0.1)颜料和Bi_(1-x)Ce_xVO_4(x=0~0.1)颜料；并分别讨论了四种制备方法、三种添加剂、添加剂加入量以及热处理过程对BiVO_4颜料、Bi_(1-x)La_xVO_4(x=0~0.1)颜料和Bi_(1-x)Ce_xVO_4(x=0~0.1)颜料呈色性能的影响。 当添加剂为乙酰丙酮时，不同制备方法合成的BiVO_4产物主相为单斜相。BiVO_4产物的主要形貌有由纳米片组装而成的块状颗粒、片状颗粒和十面体形的颗粒，颗粒尺寸约在2-5μm之间；其中微波水热法制得的BiVO_4产物具有最好的呈色性能，b*值、C值和L*值分别为80.40、80.53和85.88，此时对应的色度坐标为x=0.4549，y=0.4654。 当制备方法为固相法时，BiVO_4产物主相为单斜相。不同添加剂制备BiVO_4产物的主要形貌有规则形状的块体，大小在0.5-0.8μm之间；棒状，长度约2-4μm；纳米片组装而成的块状颗粒，大小在3-5μm。其中无添加剂制备BiVO_4产物的b*值与L*值最大，分别为86.67和80.08。 当制备方法为微波水热法时，加入不同量EDTA制备的BiVO_4产物为单一纯净的单斜相，形貌为小颗粒构成的球形。当EDTA添加量达到2g时，BiVO_4产物b*值和L*值最大，分别为45.13和57.68。热处理后BiVO_4产物主相为单斜相。对于固相法与微波水热法，热处理后，BiVO*4产物b值分别从71.03和80.04降低到63.06和55.80；对于燃烧法与水热法，热处理后，BiVO_4产物b*值分别从35.54和61.53提高到62.11和65.30。 当添加剂为乙酰丙酮时，Bi_(1-x)La_xVO_4(x=0~0.1)产物为四方相与单斜相的共混杂相，形貌为扁圆球形，直径在1-3μm之间。EDTA和柠檬酸钠辅助制备Bi_(1-x)La_xVO_4(x=0.02)产物主相为单斜相。EDTA辅助制备Bi_(1-x)La_xVO_4(x=0.02)产物形貌为球形，大小约在2-4μm之间；柠檬酸钠辅助制备Bi_(1-x)La_xVO_4(x=0.02)产物形貌为棒状，长度约3μm左右，宽度在1μm左右，且其b*值与C值最大，分别为69.58和69.77。当La掺杂量x=0.02时，b*值与C值最大，分别为45.46和45.46，，此时对应的色度坐标为x=0.3930，y=0.4142。乙酰丙酮辅助制备Bi_(1-x)La_xVO_4(x=0.02)产物经热处理后，b*值从45.64提高50.97；EDTA和柠檬酸钠辅助制备Bi_(1-x)La_xVO_4(x=0.02)产物经煅烧后，b*值分别从50.14和69.58下降到42.63和47.84。 当Ce的掺杂量x=0.02~0.1时，Bi_(1-x)Ce_xVO_4产物为纯净单一的单斜相。Bi_(1-x)Ce_xVO_4(x=0~0.1)产物形貌为十面体形，长度在2-3μm之间，高度约为1μm。当Ce掺杂量x=0时，有最大的b*值和C值，分别为71.97和73.05，此时对应的色度坐标为x=0.4647，y=0.4481。乙酰丙酮辅助制备Bi_(1-x)Ce_xVO_4(x=0.02)产物形貌为十面体形；EDTA辅助制备Bi_(1-x)Ce_xVO_4(x=0.02)产物形貌为四叶片形；柠檬酸钠辅助制备Bi_(1-x)Ce_xVO_4(x=0.02)产物形貌为片状组成的块体。无添加剂制备Bi_(1-x)Ce_xVO_4(x=0.02)产物b*值最大，可达67.30。柠檬酸钠辅助制备Bi_(1-x)Ce_xVO_4(x=0.02)产物经热处理后，b*值从32.77提高到45.79；EDTA和乙酰丙酮辅助制备Bi_(1-x)Ce_xVO_4(x=0.02)产物经煅烧后，b*值分别从33.15和60.55下降到29.70和55.42。
[Abstract]:BiVO_4 is a kind of yellow pigment with good color rendering performance.Because of its good color resistance, bright color, non-toxic, non-polluting and other advantages, environmental friendly pigments will gradually replace the traditional yellow pigments.In this paper, EDTA, sodium citrate and acetylacetone as chelating agents, using solid phase method, combustion method, hydrothermal method and microwave hydrothermal method. BiVO_4 pigments, Bi_ (1-x) La_xVO_4 (x = 0-0.1) pigmentand Bi_ (1-x) Ce xVO_4 (x = 0-0.1) pigmentand Bi_ (1-x) Ce_xVO_4 (x = 0-0.1) pigmentwere prepared, and four preparation methods, three kinds of addadditives, the amount of additive and the heat treatment process for BiVO_4 pigment, Biu (1-x) La_xVO_4 (x = 0-Ce Ce 0.1) piand Bi\u (1-x) CeCeVO_4 (x = 0-0.1) pigmentand Biu (1-x) Ce_xVO_4 (x = 0-x The influence of color rendering property of the material.
When the additive is acetylacetone, the main phase of BiVO_4 synthesized by different methods is monoclinic. The main morphologies of BiVO_4 products are block particles assembled by nanosheets, flake particles and decahedral particles with particle sizes ranging from 2 to 5 microns. The b* value, C value and L* value are 80.40,80.53 and 85.88, respectively. The corresponding chromatic coordinates are x=0.4549, y=0.4654..
The main phase of BiVO_4 product is monoclinic phase when the preparation method is solid phase. The main morphology of BiVO_4 product prepared by different additives is regular block with size between 0.5-0.8 micron; rod-like, length about 2-4 micron; nanosheet-assembled block particles with size of 3-5 micron. Among them, the b* value and L* value of BiVO_4 product prepared by non-additives are the largest. They were 86.67 and 80.08., respectively.
When the preparation method is microwave hydrothermal method, the BiVO_4 products prepared by adding different amounts of EDTA are monoclinic and spherical in shape. When the amount of EDTA reaches 2 g, the B * and L * values of BiVO_4 products are maximum, which are 45.13 and 57.68 respectively. After heat treatment, the main phase of BiVO_4 products is monoclinic. After heat treatment, the product b value of BiVO * 4 decreased from 71.03 and 80.04 to 63.06 and 55.80 respectively; for combustion method and hydrothermal method, the product b * value of BiVO * 4 increased from 35.54 and 61.53 to 62.11 and 65.30 respectively.
When the additive is acetylacetone, the product of Bi_ (1-x) La_xVO_4 (x=0~0.1) is a blend of tetragonal phase and monoclinic phase. The morphology of the product is flattened spherical and its diameter is between 1-3 micron. The main phase of the product of Bi_ (1-x) La_xVO_4 (x=0.02) is monoclinic. The morphology of the product of Bi_ (1-x) La_xVO_4 (x=0.02) is spherical and its size is about 0.02. The product of sodium citrate-assisted preparation of Bi_ (1-x) La_xVO_4 (x=0.02) has a rod-like morphology, a length of about 3 microns and a width of about 1 micron. The maximum values of B * and C are 69.58 and 69.77, respectively. When the doping amount of La is x=0.02, the maximum values of B * and C are 45.46 and 45.46, respectively, and the corresponding chromaticity coordinates are x=0.3930, y=0.4142. After heat treatment, the b* value of Bi_ (1-x) La_xVO_4 (x=0.02) prepared by ketone-assisted method increased by 50.97 from 45.64; after calcination, the b* value of Bi_ (1-x) La_xVO_4 (x=0.02) prepared by EDTA and sodium citrate-assisted method decreased from 50.14 and 69.58 to 42.63 and 47.84.02, respectively.
When the content of Ce is between 0.02 and 0.1, the product of Bi_ (1-x) Ce_xVO_4 is pure monoclinic phase. The morphology of Bi_ (1-x) Ce_xVO_4 (x=0-0.1) is decahedron, the length is between 2-3 micron and the height is about 1 micron. When the content of Ce is between x=0, the maximum b * value and C value are 71.97 and 73.05 respectively, and the corresponding chroma coordinates are x=0.4647, y=0.4481. The product morphology of Bi_ (1-x) Ce_xVO_4 (x=0.02) prepared by ketone-assisted method is decahedron; the product morphology of Bi_ (1-x) Ce_xVO_4 (x=0.02) prepared by EDTA-assisted method is quadruple leaf; the product morphology of Bi_ (1-x) Ce_xVO_4 (x=0.02) prepared by sodium citrate-assisted method is flaky. After heat treatment, the b* value of Bi_ (1-x) Ce_xVO_4 (x=0.02) prepared by sodium citrate-assisted method increased from 32.77 to 45.79; after calcination, the b* value of Bi_ (1-x) Ce_xVO_4 (x=0.02) prepared by EDTA and acetylacetone-assisted method decreased from 33.15 and 60.55 to 29.70 and 55.42.02, respectively.
【学位授予单位】：陕西科技大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：TQ622.1
本文编号：2251305
[Abstract]:BiVO_4 is a kind of yellow pigment with good color rendering performance.Because of its good color resistance, bright color, non-toxic, non-polluting and other advantages, environmental friendly pigments will gradually replace the traditional yellow pigments.In this paper, EDTA, sodium citrate and acetylacetone as chelating agents, using solid phase method, combustion method, hydrothermal method and microwave hydrothermal method. BiVO_4 pigments, Bi_ (1-x) La_xVO_4 (x = 0-0.1) pigmentand Bi_ (1-x) Ce xVO_4 (x = 0-0.1) pigmentand Bi_ (1-x) Ce_xVO_4 (x = 0-0.1) pigmentwere prepared, and four preparation methods, three kinds of addadditives, the amount of additive and the heat treatment process for BiVO_4 pigment, Biu (1-x) La_xVO_4 (x = 0-Ce Ce 0.1) piand Bi\u (1-x) CeCeVO_4 (x = 0-0.1) pigmentand Biu (1-x) Ce_xVO_4 (x = 0-x The influence of color rendering property of the material.
When the additive is acetylacetone, the main phase of BiVO_4 synthesized by different methods is monoclinic. The main morphologies of BiVO_4 products are block particles assembled by nanosheets, flake particles and decahedral particles with particle sizes ranging from 2 to 5 microns. The b* value, C value and L* value are 80.40,80.53 and 85.88, respectively. The corresponding chromatic coordinates are x=0.4549, y=0.4654..
The main phase of BiVO_4 product is monoclinic phase when the preparation method is solid phase. The main morphology of BiVO_4 product prepared by different additives is regular block with size between 0.5-0.8 micron; rod-like, length about 2-4 micron; nanosheet-assembled block particles with size of 3-5 micron. Among them, the b* value and L* value of BiVO_4 product prepared by non-additives are the largest. They were 86.67 and 80.08., respectively.
When the preparation method is microwave hydrothermal method, the BiVO_4 products prepared by adding different amounts of EDTA are monoclinic and spherical in shape. When the amount of EDTA reaches 2 g, the B * and L * values of BiVO_4 products are maximum, which are 45.13 and 57.68 respectively. After heat treatment, the main phase of BiVO_4 products is monoclinic. After heat treatment, the product b value of BiVO * 4 decreased from 71.03 and 80.04 to 63.06 and 55.80 respectively; for combustion method and hydrothermal method, the product b * value of BiVO * 4 increased from 35.54 and 61.53 to 62.11 and 65.30 respectively.
When the additive is acetylacetone, the product of Bi_ (1-x) La_xVO_4 (x=0~0.1) is a blend of tetragonal phase and monoclinic phase. The morphology of the product is flattened spherical and its diameter is between 1-3 micron. The main phase of the product of Bi_ (1-x) La_xVO_4 (x=0.02) is monoclinic. The morphology of the product of Bi_ (1-x) La_xVO_4 (x=0.02) is spherical and its size is about 0.02. The product of sodium citrate-assisted preparation of Bi_ (1-x) La_xVO_4 (x=0.02) has a rod-like morphology, a length of about 3 microns and a width of about 1 micron. The maximum values of B * and C are 69.58 and 69.77, respectively. When the doping amount of La is x=0.02, the maximum values of B * and C are 45.46 and 45.46, respectively, and the corresponding chromaticity coordinates are x=0.3930, y=0.4142. After heat treatment, the b* value of Bi_ (1-x) La_xVO_4 (x=0.02) prepared by ketone-assisted method increased by 50.97 from 45.64; after calcination, the b* value of Bi_ (1-x) La_xVO_4 (x=0.02) prepared by EDTA and sodium citrate-assisted method decreased from 50.14 and 69.58 to 42.63 and 47.84.02, respectively.
When the content of Ce is between 0.02 and 0.1, the product of Bi_ (1-x) Ce_xVO_4 is pure monoclinic phase. The morphology of Bi_ (1-x) Ce_xVO_4 (x=0-0.1) is decahedron, the length is between 2-3 micron and the height is about 1 micron. When the content of Ce is between x=0, the maximum b * value and C value are 71.97 and 73.05 respectively, and the corresponding chroma coordinates are x=0.4647, y=0.4481. The product morphology of Bi_ (1-x) Ce_xVO_4 (x=0.02) prepared by ketone-assisted method is decahedron; the product morphology of Bi_ (1-x) Ce_xVO_4 (x=0.02) prepared by EDTA-assisted method is quadruple leaf; the product morphology of Bi_ (1-x) Ce_xVO_4 (x=0.02) prepared by sodium citrate-assisted method is flaky. After heat treatment, the b* value of Bi_ (1-x) Ce_xVO_4 (x=0.02) prepared by sodium citrate-assisted method increased from 32.77 to 45.79; after calcination, the b* value of Bi_ (1-x) Ce_xVO_4 (x=0.02) prepared by EDTA and acetylacetone-assisted method decreased from 33.15 and 60.55 to 29.70 and 55.42.02, respectively.
【学位授予单位】：陕西科技大学
【学位级别】：硕士
【学位授予年份】：2013
【分类号】：TQ622.1
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本文编号：2251305
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