阅读说明：本技术 一种釉下彩颜料及其制备方法和应用 (A kind of underglaze colour pigment and its preparation method and application ) 是由 刘昆 常启兵 谭灵 刘添立 包启富 于 2019-09-27 设计创作，主要内容包括：本发明属于陶瓷装饰技术领域,具体涉及一种釉下彩颜料及其制备方法和应用。该颜料包括色料、助色剂和润滑剂,通过控制各个组分之间的比例,可以保证釉下彩颜料具有很好的发色,润滑性好、书写流畅、强度高、不易断裂等优点；同时通过各个组分的比例也可以使釉下彩颜料的亲水性好,有助于在绘画后的坯体表面上釉,且颜料的笔迹与釉的亲和性好,烧制后的青花成色明净、鲜丽、线条流畅。通过控制助色剂的用量可以保证发色更加清晰明亮；通过控制色料用量可以调整青花发色的深浅；通过控制润滑剂的用量可以在不影响颜料发色的同时提高颜料的润滑性能,便于书写。(The invention belongs to ceramic decoration technology fields, and in particular to a kind of underglaze colour pigment and its preparation method and application.The pigment includes colorant, assistant toner and lubricant, passes through the ratio between each component of control, it is ensured that underglaze colour pigment has many advantages, such as good color development, and lubricity is good, fluent writing, intensity height, not easy to break；The good hydrophilic property that can also make underglaze colour pigment by the ratio of each component simultaneously, facilitates the billet surface glazing after drawing, and the compatibility of the person's handwriting of pigment and glaze is good, the blue and white quality after firing is bright and clean, floridity, the lines flow smoothly.It is bright that dosage by controlling assistant toner can guarantee that color development is more clear；By the depth for controlling the adjustable blue and white color development of colorant dosage；Dosage by controlling lubricant can improve the greasy property of pigment while not influencing pigment color development, convenient for writing.)

1. a kind of underglaze colour pigment, which is characterized in that in terms of 100 parts of the pigment weight number, including 40-60 parts of colorants, 5- 25 parts of assistant toners and 15-50 parts of lubricants.

2. underglaze colour pigment according to claim 1, which is characterized in that the assistant toner include silica, aluminium oxide, At least one of potassium oxide, sodium oxide molybdena and calcium oxide.

3. underglaze colour pigment according to claim 2, which is characterized in that in terms of 100 parts of the assistant toner parts by weight, institute Stating assistant toner includes 69.5-75.6 parts of silica, 14.6-17.2 parts of aluminium oxide, 2.6-4.2 parts of potassium oxides, 1.6-4.5 parts of oxygen Change sodium and 4.6-7.2 parts of calcium oxide.

4. underglaze colour pigment according to claim 1, which is characterized in that the lubricant is graphite, molybdenum disulfide and black At least one of talcum.

5. underglaze colour pigment according to claim 1-4, which is characterized in that with the pigment weight number 100 Part meter, the colorant includes 6.7-12.4 parts of cobalt oxides, 16.5-26.7 parts of manganese oxide, 0.5-2.8 parts of iron oxide, 48.5-53.5 Part aluminium oxide, 5.8-9.6 parts of silica, 2-6 parts of zinc oxide, 3.8-11 parts of boric acid.

6. underglaze colour pigment according to claim 1, which is characterized in that further include 5-38 parts of bonding agents；The bonding agent It is at least one of ceramic paste, polyethylene glycol, polyvinyl alcohol and hydroxymethyl cellulose.

7. underglaze colour pigment according to claim 1-6, which is characterized in that the partial size of the underglaze colour pigment is small In 5 μm.

8. a kind of preparation method of any one of claim 1-7 underglaze colour pigment, which is characterized in that include the following steps,

(1) colorant is spare after being calcined, being crushed；

(2) assistant toner is spare after high temperature melting, water quenching, crushing；

(3) after mixing each component, water is added to make water content 20-23wt%, after vacuum pugging, extrusion forming, drying To the underglaze colour pigment.

9. preparation method according to claim 8, which is characterized in that the calcination process in the step (1) be included in The heating rate of 4-6 DEG C/min keeps the temperature 2-4h after being warming up to 1260-1280 DEG C；

High temperature melting process in the step (2) includes after being warming up to 1380-1450 DEG C with the heating rate of 2-5 DEG C/min Keep the temperature 6-8h.

10. preparation method according to claim 8 or claim 9, which is characterized in that smashed colorant in the step (1) Partial size is 1-5 μm；

The partial size of smashed assistant toner is less than 5 μm in the step (2).

11. any one of the described in any item underglaze colour pigment of claim 1-7 or claim 8-10 the preparation method preparation Application of the obtained underglaze colour pigment in blue and white porcelain or marking pen.

12. application according to claim 11, which is characterized in that after the underglaze colour pigment is painted on green body, glazing, Blue and white porcelain is obtained after calcining at 1240-1330 DEG C.

Technical field

The invention belongs to ceramic decoration technology fields, and in particular to a kind of underglaze colour pigment and its preparation method and application.

Background technique

Blue and white porcelain is also known as white ground blue and white porcelain, referred to as blue and white, is one of mainstream kind of Chinese porcelain.Blue and white is under high-temperature glaze One of faience is raw material with the earthy cobalt containing cobalt oxide, describes decorative pattern on porcelain carcass, then imposes transparent overglaze, through high temperature Reducing atmosphere is calcined.

Traditional blue and white colored drawing is needed by grinding blue and white material, dividing water, writing brush hooking, color in, upper overglaze, high temperature firing etc. Process, Ceramic Blue And White decorate the depth, the deep or light stereovision to express picture mainly by tone, especially " blue and white point of hydraulic art " This is a kind of important skill and technique of blue and white decorative pattern of painting, and needs to mix blue and white material into a variety of deep or light different material according to picture Water is directly drawn a picture on mold, occurs as soon as deep or light different tone.Due to blue and white deep or light difference, form on color not With impression.Deep or light different rhythms can be also separated in same pen, this blue and white point of water is described skill and technique level and enriched, three-dimensional sense By force, the experience and accumulation for person's many years that need colored drawing, so that blue and white colored drawing threshold is high, beginner is difficult to be competent at.

Chinese patent literature CN106675209A, discloses colored drawing pigment pencil under a kind of ceramic glaze, which includes Penholder and pen core, pen core include pigment, paraffin and clay, and pigment can be adjusted its component according to effect, but the pencil Pen core makees binder using paraffin, so that the hydrophilicity after colored drawing is poor, rear surface of painting on green body is difficult to glazing；The pencil Although it is adjustable to distinguish color hierarchy, relatively good performance light and shade spatial relationship, thickness, the vivid degree of lines is also not It is enough, it needs further to be promoted.In the prior art, similar to chalk, poor lubricity, intensity when traditional ceramic pigment is directly painted It is low, it is difficult to which that fine hooking, blue and white color after firing is unintelligible, lines are not smooth

Summary of the invention

Therefore, the technical problem to be solved in the present invention is that overcome the hydrophily of blue and white colored drawing pigment in the prior art compared with The defects such as difference, rear surface of painting on green body are difficult to glazing, and the intensity of pigment is low, to provide a kind of underglaze colour pigment and its system Preparation Method and application.

For this purpose, the present invention provides following technical schemes.

The present invention provides a kind of underglaze colour pigment, in terms of 100 parts of the pigment weight number, including 40-60 parts of colorants, 5-25 parts of assistant toners and 15-50 parts of lubricants.

The assistant toner includes at least one of silica, aluminium oxide, potassium oxide, sodium oxide molybdena and calcium oxide.

Further, in terms of 100 parts of the assistant toner parts by weight, the assistant toner includes 69.5-75.6 parts of titanium dioxides Silicon, 14.6-17.2 part aluminium oxide, 2.6-4.2 parts of potassium oxides, 1.6-4.5 parts of sodium oxide molybdenas and 4.6-7.2 parts of calcium oxide.

The lubricant is at least one of graphite, molybdenum disulfide and black talc.

Further, in terms of 100 parts of the pigment weight number, the colorant include 6.7-12.4 parts of cobalt oxides, 16.5-26.7 parts of manganese oxide, 0.5-2.8 parts of iron oxide, 48.5-53.5 parts of aluminium oxide, 5.8-9.6 parts of silica, 2-6 parts of oxygen Change zinc, 3.8-11 parts of boric acid.

The underglaze colour pigment further includes 5-38 parts of bonding agents；The bonding agent is ceramic paste, polyethylene glycol, polyethylene At least one of pure and mild hydroxymethyl cellulose.

The partial size of the underglaze colour pigment is less than 5 μm.

The shape of the underglaze colour pigment is lip pencil, bulk or irregular shape.

The present invention also provides a kind of preparation methods of above-mentioned underglaze colour pigment, include the following steps,

(1) colorant is spare after being calcined, being crushed；

(2) assistant toner is spare after high temperature melting, water quenching, crushing；

(3) after mixing each component, water is added to make water content 20-23wt%, through vacuum pugging, extrusion forming, drying After obtain the underglaze colour pigment.

Calcination process in the step (1) includes after being warming up to 1260-1280 DEG C with the heating rate of 4-6 DEG C/min Keep the temperature 2-4h；

High temperature melting process in the step (2), which is included in, is warming up to 1380-1450 with the heating rate of 2-5 DEG C/min 6-8h is kept the temperature after DEG C.

The partial size of smashed colorant is 1-5 μm in the step (1)；

The partial size of smashed assistant toner is less than 5 μm in the step (2).

In addition, the present invention also provides the underglaze colour face that a kind of above-mentioned underglaze colour pigment or above-mentioned preparation method are prepared Expect the application in blue and white porcelain or marking pen.

The application specifically includes, after the underglaze colour pigment is painted on green body, glazing, at 1240-1330 DEG C Blue and white porcelain is obtained after calcining.

Technical solution of the present invention has the advantages that

1. underglaze colour pigment provided by the invention, including colorant, assistant toner and lubricant, by controlling between each component Ratio, it is ensured that underglaze colour pigment has good color development, and lubricity is good, fluent writing, intensity are high, not easy to break etc. excellent Point；It can also make the good hydrophilic property of underglaze colour pigment by controlling the ratio of each component simultaneously, facilitate the green body after drawing Surface glazing, and the compatibility of the person's handwriting of pigment and glaze is good, the blue and white quality after firing is bright and clean, floridity, the lines flow smoothly.Pass through control It is bright that the dosage of assistant toner processed can guarantee that color development is more clear；By the depth for controlling the adjustable blue and white color development of colorant dosage Shallowly；Dosage by controlling lubricant can improve the greasy property of pigment while not influencing pigment color development, convenient for writing.

2. underglaze colour pigment provided by the invention, the assistant toner in the underglaze colour pigment is a kind of glass frit of synthesis, It is used cooperatively with toner, is conducive to the color development of toner, color development is made to be more clear, become clear, the vividness of toner and bright can be improved The raw material of brightness, assistant toner is inorganic silicic acid salt, and good hydrophilic property facilitates the glazing in later period.Lubricant selects similar graphite The inorganic material of this laminated structure of material can be improved the greasy property of pigment, have under the premise of not influencing pigment color development Conducive to the fluent writing performance of pigment.It is controlled by the dosage to each component of colorant, helps to improve the color development of colorant.

The each component of the underglaze colour pigment is nontoxic, can be not only used for blue and white colored drawing and uses, can be also used for high temperature It is used under state as marking pen.

3. underglaze colour pigment provided by the invention, by the way that bonding agent is added, while improving underglaze colour pigment intensity also It can guarantee the pro-glaze energy of underglaze colour pigment.

The underglaze colour pigment provides a kind of new approach for under-glaze decoration ceramic drawing, reduces blue and white drawing to artificial It is required that being competent at common picture person with blue and white colored drawing threshold.The underglaze colour pigment can be directly by soft or hard and deep or light Thickness expression when a series of different hard-tipped pen pen cores or hard-tipped pen colored drawing, keeps blue and white colored drawing more flexible, conveniently, and have and fire Blue and white color development afterwards is bright and clean, floridity, the characteristics of the lines flow smoothly.

4. the preparation method of underglaze colour pigment provided by the invention, including colorant calcined, crushed after it is spare；Assistant toner warp It is spare after high temperature melting, water quenching, crushing；Add water to mix each component, obtains institute after vacuum pugging, extrusion forming, drying State underglaze colour pigment；The preparation method is easy to operate, Yi Shixian.

This method is clear by the color development that the control to calcination temperature and rate is conducive to underglaze colour pigment；To grain diameter Control, be conducive to underglaze colour pigment drawing when lubricity, fluency；This method passes through the calcination temperature and speed to assistant toner Rate is controlled, and the color development for being conducive to underglaze colour pigment is bright.

Detailed description of the invention

It, below will be to specific in order to illustrate more clearly of the specific embodiment of the invention or technical solution in the prior art Embodiment or attached drawing needed to be used in the description of the prior art be briefly described, it should be apparent that, it is described below Attached drawing is some embodiments of the present invention, for those of ordinary skill in the art, before not making the creative labor It puts, is also possible to obtain other drawings based on these drawings.

Fig. 1 is the electron-microscope scanning structural schematic diagram for the pigment that the embodiment of the present invention 1 is prepared；

Fig. 2 is the electron-microscope scanning structural schematic diagram for the pigment that the embodiment of the present invention 2 is prepared；

Fig. 3 is the electron-microscope scanning structural schematic diagram for the pigment that the embodiment of the present invention 3 is prepared；

Fig. 4 is the electron-microscope scanning structural schematic diagram for the pigment that the embodiment of the present invention 4 is prepared；

Fig. 5 is the electron-microscope scanning structural schematic diagram for the pigment that comparative example 1 of the present invention is prepared；

Fig. 6 is the electron-microscope scanning structural schematic diagram for the pigment that comparative example 1 of the present invention is prepared；

Fig. 7 is angle of wetting test result of the water droplet in the underglaze colour surface of pigments that the embodiment of the present invention 1 is prepared；

Fig. 8 is angle of wetting test result of the water droplet in the underglaze colour surface of pigments that the embodiment of the present invention 2 is prepared；

Fig. 9 is angle of wetting test result of the water droplet in the underglaze colour surface of pigments that the embodiment of the present invention 3 is prepared.

Specific embodiment

There is provided following embodiments is to preferably further understand the present invention, it is not limited to the best embodiment party Formula is not construed as limiting the contents of the present invention and protection scope, anyone under the inspiration of the present invention or by the present invention and its The feature of his prior art is combined and any and identical or similar product of the present invention for obtaining, all falls within of the invention Within protection scope.