CN110305534A - A kind of preparation method of wear-resisting colored pencil core material - Google Patents
A kind of preparation method of wear-resisting colored pencil core material Download PDFInfo
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- C—CHEMISTRY; METALLURGY
- C09—DYES; PAINTS; POLISHES; NATURAL RESINS; ADHESIVES; COMPOSITIONS NOT OTHERWISE PROVIDED FOR; APPLICATIONS OF MATERIALS NOT OTHERWISE PROVIDED FOR
- C09D—COATING COMPOSITIONS, e.g. PAINTS, VARNISHES OR LACQUERS; FILLING PASTES; CHEMICAL PAINT OR INK REMOVERS; INKS; CORRECTING FLUIDS; WOODSTAINS; PASTES OR SOLIDS FOR COLOURING OR PRINTING; USE OF MATERIALS THEREFOR
- C09D13/00—Pencil-leads; Crayon compositions; Chalk compositions
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Abstract
The invention discloses a kind of preparation methods of wear-resisting colored pencil core material, belong to pen core field of material technology.The present invention prepares palm oil alkanolamide by raw material of palm oil, not only had the characteristics that lipophilic group using palm oil alkanolamide but also there is hydrophilic group, lubrication dispersing agent is prepared in the esterification of its surface active groups with saturated fatty acid and polyalcohol, it can be hyperchromic to pen core material, polyacrylate ink is adulterated in pen core base-material of the invention, after extrusion a layer polypropylene acid esters film can be formed in pen core material surface, nanometer nitric acid silver powder is reduced to obtain silver-colored simple substance under high fever blending condition in pen core base-material, form " refractive power " phenomenon, pass through the doping vario-property of the inorganic heavy metal salts in colored glaze, improve the crystallinity of polyacrylate film, to improve the brightness of polyacrylate film, wear-resisting property and toughness, the carboxyl of carrying can be condensed with hydroxyls dehydrate in paper fibre, improve the coloring effect of written trace, with wide Wealthy application prospect.
Description
Technical field
The invention discloses a kind of preparation methods of wear-resisting colored pencil core material, belong to pen core field of material technology.
Background technique
Colored pencil pen core is to use colorant as a kind of pencil-lead of colorant.It is a kind of work of tinting being easily mastered
Tool, the effect drawn are similar to pencil.Color is varied, and it is thin to draw effect, pure and fresh simple, mostly convenient for by rubber
It wipes.It is selected with by profession, is made of advanced particulate pigment.With transparency and colorfulness, smoothness is described, and pen core is not
It falls off in Yi Congxin slot.
Colored pencil is also classified into two kinds, and one is water-soluble colored pencil (water-soluble), another kind is insoluble colour
Pencil (not soluble in water).Insoluble colored pencil can be divided into stemness and oiliness, and the major part generally bought on the market is all insoluble
Colored pencil, it is cheap, it is the optimal selection of drawing introduction.The effect drawn is thin, simple clear, and erasing rubber can be used mostly
It goes.Also different picture effects can be presented by the superposition of color, be a kind of draw tool for relatively having expressive force.It is water-soluble color
Color pencil is called water colored pencil, its pen core can be dissolved in water.After running into water, color dizzy dye comes, and realizes transparent as watercolor
Effect.There are two types of functions for water-soluble colored pencil: before not dipping in water as insoluble colored pencil effect, dipping in upper water
It just will become as watercolor later, color is very bright-coloured beautiful, and it is very beautiful, and also color is very soft.It is colored for preparation
There are mainly two types of the methods of pencil-lead: one is calcination methods, are usually first prepared with high molecular polymer and inorganic filler multiple
Condensation material core prepares porous white or light-colored core by high-temperature calcination, fills dyestuff finally by its gap
Ink is to prepare colored pencil lead.Another non-calcinated method, usually use are not blended wax class and first prepare porous color core
Body, then by filling liquid grease in the core or wax class to prepare colored pencil lead.Compared to calcination method, non-calcinated method
Preparation process it is obvious simpler and save cost.Meanwhile the colored pencil lead flexural strength of non-calcinated method preparation is also higher
A bit.
Currently, state-of-the art colored pencil lead is usually by adhesive, constitution raw material, pigment powder, solvent, grease and wax etc.
Component is after mixing, then passes through extrusion forming, drying, to prepare colored pencil lead.However, existing insoluble colour
Pen core material is generally existing to wear no resistance, in paper surface not easy coloring, the thin defect of color.Existing colored pencil lead
Production raw material and for example related patent raw material of complex process have pollution to environment, and the writing of writing is unable to self-discoloration, is not suitable for
The occasion that temporary marker, calligraphy and painting practice etc. do not need long-term preservation uses.
Therefore, invent that a kind of wearability is good and the colored pencil core material of easy coloring has pen core technical field of material
There is positive effect.
Summary of the invention
Present invention mainly solves the technical issues of, wear no resistance for current insoluble pastel core material, in paper table
Face not easy coloring, the thin defect of color, provide a kind of preparation method of wear-resisting colored pencil core material.
In order to solve the above-mentioned technical problem, the technical scheme adopted by the invention is that:
A kind of wear-resisting colored pencil core material the preparation method comprises the following steps:
(1) lubrication dispersing agent, silicone powder, inorganic color pigment, polyacrylate ink, silver nitrate nano powder, two miaow of azo are taken
Oxazoline base propane dihydrochloride mixing, be placed in revolving speed be 800~1000r/min high-speed mixer in carry out premixing 10~
15min is sufficiently mixed, and obtains pen core base-material；
(2) pen core base-material is put into 20~25min of vacuum impregnation in silicone oil of carboxyl, the pen core base-material twin-screw after taking out dipping
Extruder is squeezed into core material under the conditions of 100~120 DEG C of temperature, squeezes out and obtains core material to be put into set temperature being 40~50 DEG C
Drying obtains wear-resisting colored pencil core material in baking oven；
Refine inorganic color pigment the preparation method comprises the following steps:
(1) kaolin, mixing stone slurry, triethanolamine, quick lime, cobalt oxide, nickel oxide are placed in ball mill, by ball material quality
Than obtaining ball milling slurry for 15 ︰ 1,50~70min of ball milling, above-mentioned ball milling slurry is transferred in resistance furnace and is heated to 800~900
DEG C, 1~2h is kept the temperature, is again heated to 1200~1250 DEG C, 2~3h is kept the temperature, obtains colored glaze；
(2) above-mentioned colored glaze is placed in normal-temperature water after cold quenching is broken, is put into baking oven and is heated to 100~130 DEG C, does
After dry and grinding aid material is 5 ︰, 1 co-grinding in mass ratio, crosses 400 meshes, obtains refinement inorganic color pigment；
Lubrication dispersing agent the preparation method comprises the following steps:
(1) in the three-necked flask that thermometer, blender, reflux unit are housed, palm oil and diethanol amine is added, is in temperature
2~3h is reacted under the conditions of 150~170 DEG C, then is cooled to 70~80 DEG C, and 1.0~1.5 times of palm oil content of diethanol is added
Amine, the reaction was continued 3~4h obtain viscous brown transparency liquid, obtain white solid after natural cooling；
(2) in a nitrogen atmosphere, above-mentioned white solid, stearic acid and ethylene glycol are taken, is placed in four-hole boiling flask, is heated to
160~220 DEG C, 4~5h of hybrid reaction, is prepared lubrication dispersing agent under the speed of agitator of 600~800r/min.
Each raw material in pen core base-material preparation method, according to parts by weight, including 10~15 parts of lubrication dispersing agent, silicone powder 8
~10 parts, 40~50 parts of inorganic color pigment, 15~18 parts of polyacrylate ink, 20~25 parts of silver nitrate nano powder, azo
2~3 parts of dihydrochloride of diimidazole quinoline base propane.
Setting double screw extruder revolving speed is 200~250r/min when extruding prepares core material in pen core base-material preparation method,
Head temperature is 120~140 DEG C, and the main-machine screw revolving speed of double screw extruder is 150~250r/min.
Each raw material of ball milling slurry in inorganic color pigment preparation method is refined, according to parts by weight, including kaolin 30~
40 parts, mixing stone slurry 70~80 parts, 10~15 parts of triethanolamine, 20~30 parts of quick lime, 3~5 parts of cobalt oxide, nickel oxide 4~5
Part.
Refine inorganic color pigment preparation method in mixing stone slurry the preparation method comprises the following steps:
It is 20% by 8~10 parts of colored enamel glazes, 30~40 parts of albites, 20~30 parts of potassium feldspars, 40~50 parts of mass fractions
Hydroxy-silicone-oil emulsion be placed in blender 30~40min stirred with the revolving speed of 100~120r/min after, obtain mixing stone slurry.
Grinding aid material is 1 ︰ by sodium nitrite, bentonite, magnesium sulfate in mass ratio in refinement inorganic color pigment preparation method
5 ︰ 2 are formulated.
Palm oil and diethanol amine mass ratio 1: 2 in the preparation method of lubrication dispersing agent.
Each raw material in the preparation method of lubrication dispersing agent, according to parts by weight, including 40~50 parts of white solid, stearic acid
1~5 part, 0.5~4.0 part of ethylene glycol.
The beneficial effects of the present invention are:
(1) present invention prepares palm oil alkanolamide by raw material of palm oil, both has oleophylic using palm oil alkanolamide
Base has the characteristics that hydrophilic group again, and lubrication dispersion is prepared in the esterification of its surface active groups with saturated fatty acid and polyalcohol
Agent prepares finely dispersed pen core so that compatibility between the raw materials such as inorganic filler, polyacrylate, silicone powder be made to improve
Base-material reacts with water first with quick lime and generates calcium hydroxide, and reacts with the sulfate in clay, generates two water stones
Cream, gypsum have preferable gelling performance, using quick lime as water contact is sent out in addO-on therapy preparation process, and in mixing stone slurry
Raw reaction discharges a large amount of heat, can promote the dissolution of silicon salt and aluminium salt in clay vitreum, excite the activity of clay, glass
Silicon salt and aluminium salt and the calcium hydroxide dissolved out in body reacts, and aquation generates aluminium silicate hydrate and hydrated calcium silicate, both
Substance belongs to gum material, and the particulate matter in glaze can be made to reunite together, obtain colored glaze, then colored glaze is led to
The inorganic color pigment that the refinement of grinding aid material is ground into lower granularity is crossed, can be hyperchromic to pen core material, and can be in pen core material
Surface deposition, to keep pen core material appearance color more bright-coloured, and improves the hardness and wear-resisting property of pen core material surface；
(2) polyacrylate ink is adulterated in pen core base-material of the invention, can form a strata in pen core material surface after extrusion
Acrylate films, nanometer nitric acid silver powder is reduced to obtain silver-colored simple substance under high fever blending condition in pen core base-material, is deposited on poly- third
The surface of olefin(e) acid ester film forms " refractive power " phenomenon, the brightness of written trace is greatly improved, by poly- third
Silicone powder is added in olefin(e) acid ester oil ink, under the catalytic condition of azo dicyclohexyl formonitrile HCN hydrochloride, realizes to polyacrylic acid
Such as closing of hydroxyl, carboxyl hydrophilic radical, avoids written trace from being swollen by steam in ester structure, by colored glaze
The doping vario-property of inorganic heavy metal salts, improves the crystallinity of polyacrylate film, to improve the light of polyacrylate film
Brightness, wear-resisting property and toughness, pen core base-material improve the lubricity inside pen core after silicone oil of carboxyl vacuum impregnation, carrying
Carboxyl can be condensed with hydroxyls dehydrate in paper fibre, improved the coloring effect of written trace, had broad application prospects.
Specific embodiment
Equipped with thermometer, blender, reflux unit three-necked flask in, according to 1: 2 mass ratio be added palm oil with
Diethanol amine reacts 2~3h under the conditions of temperature is 150~170 DEG C, then is cooled to 70~80 DEG C, and palm oil content 1.0 is added
~1.5 times of diethanol amine, the reaction was continued 3~4h obtain viscous brown transparency liquid, obtain white solid after natural cooling；
According to parts by weight, in a nitrogen atmosphere, 40~50 parts of above-mentioned white solids, 1~5 part of stearic acid and 0.5~4.0 part of second two are taken
Alcohol is placed in four-hole boiling flask, is heated to 160~220 DEG C, under the speed of agitator of 600~800r/min hybrid reaction 4~
Lubrication dispersing agent is prepared in 5h, by 8~10 parts of colored enamel glazes, 30~40 parts of albites, 20~30 parts of potassium feldspars, 40
The hydroxy-silicone-oil emulsion that~50 parts of mass fractions are 20% be placed in blender with the revolving speed stirring 30 of 100~120r/min~
After 40min, mixing stone slurry is obtained；By 30~40 parts of kaolin, 70~80 parts of mixing stone slurries, 10~15 parts of triethanolamines, 20~
30 parts of quick limes, 3~5 parts of cobalt oxides, 4~5 parts of nickel oxide are placed in ball mill, by ball material mass ratio be 15 ︰ 1, ball milling 50~
70min obtains ball milling slurry, and above-mentioned ball milling slurry is transferred in resistance furnace and is heated to 800~900 DEG C, keeps the temperature 1~2h, then plus
Heat keeps the temperature 2~3h, obtains colored glaze to 1200~1250 DEG C；Above-mentioned colored glaze is placed in normal-temperature water after cold quenching is broken,
It is put into baking oven and is heated to 100~130 DEG C, with grinding aid material be in mass ratio 5 ︰, 1 co-grinding after dry, cross 400 meshes,
It is that 1 ︰, 5 ︰ 2 is formulated that wherein grinding aid material is sodium nitrite, bentonite, magnesium sulfate in mass ratio, obtains refinement inorganic color face
Material；According to parts by weight, 10~15 parts of lubrication dispersing agents, 8~10 parts of silicone powders, 40~50 parts of inorganic color pigments are taken, 15~
18 parts of polyacrylate ink, 20~25 parts of silver nitrate nano powder, 2~3 parts of azo diimidazole quinoline base propane dihydrochloride mixing,
It is placed in the high-speed mixer that revolving speed is 800~1000r/min and carries out 10~15min of premixing, be sufficiently mixed, obtain pen core base
Material；Pen core base-material is put into 20~25min of vacuum impregnation in silicone oil of carboxyl, the pen core base-material twin-screw extrusion after taking out dipping
Machine, is squeezed into core material under the conditions of 100~120 DEG C of temperature, and setting double screw extruder revolving speed is 200~250r/min, head
Temperature is 120~140 DEG C, and the main-machine screw revolving speed of double screw extruder is 150~250r/min, and extrusion obtains core material and be put into set
Determine drying in the baking oven that temperature is 40~50 DEG C and obtains wear-resisting colored pencil core material.
Example 1
Mix the preparation of stone slurry:
In the three-necked flask that thermometer, blender, reflux unit are housed, palm oil and diethyl is added according to 1: 2 mass ratio
Hydramine reacts 2h under the conditions of temperature is 150 DEG C, then is cooled to 70 DEG C, and 1.0 times of palm oil content of diethanol amine is added, after
Continuous reaction 3h, obtains viscous brown transparency liquid, obtains white solid after natural cooling；
According to parts by weight, in a nitrogen atmosphere, 40 parts of above-mentioned white solids, 1 part of stearic acid and 0.5 part of ethylene glycol are taken, is placed in
In four-hole boiling flask, 160 DEG C are heated to, lubrication dispersion is prepared in the hybrid reaction 4h under the speed of agitator of 600r/min
The hydroxy-silicone-oil emulsion that 8 parts of colored enamel glazes, 30 parts of albites, 20 parts of potassium feldspars, 40 parts of mass fractions are 20% is set in agent
After stirring 30min in blender with the revolving speed of 100r/min, mixing stone slurry is obtained；
Refine the preparation of inorganic color pigment:
30 parts of kaolin, 70 parts of mixing stone slurries, 10 parts of triethanolamines, 20 parts of quick limes, 3 parts of cobalt oxides, 4 parts of nickel oxide are placed in
It is 15 ︰ 1 by ball material mass ratio in ball mill, ball milling 50min obtains ball milling slurry, above-mentioned ball milling slurry is transferred in resistance furnace
800 DEG C are heated to, 1h is kept the temperature, is again heated to 1200 DEG C, 2h is kept the temperature, obtains colored glaze；
Above-mentioned colored glaze is placed in normal-temperature water after cold quenching is broken, is put into baking oven and is heated to 100 DEG C, it is dry after with help
Abrasive material is 5 ︰, 1 co-grinding in mass ratio, crosses 400 meshes, and wherein grinding aid material is sodium nitrite, bentonite, magnesium sulfate by quality
Than being formulated for 1 ︰, 5 ︰ 2, refinement inorganic color pigment is obtained；
The preparation of wear-resisting colored pencil core material:
According to parts by weight, 10 parts of lubrication dispersing agents, 8 parts of silicone powders, 40 parts of inorganic color pigments, 15 parts of polyacrylic acid ester oils are taken
Ink, 20 parts of silver nitrate nano powder, 2 parts of azo diimidazole quinoline base propane dihydrochloride mixing, are placed in the height that revolving speed is 800r/min
Premixing 10min is carried out in fast mixing machine, is sufficiently mixed, and pen core base-material is obtained；
Pen core base-material is put into vacuum impregnation 20min in silicone oil of carboxyl, the pen core base-material double screw extruder after taking out dipping,
Core material is squeezed under the conditions of 100 DEG C of temperature, setting double screw extruder revolving speed is 200r/min, and head temperature is 120 DEG C, double
The main-machine screw revolving speed of screw extruder is 150r/min, and extrusion obtains core material and is put into set temperature to dry in 40 DEG C of baking oven
Obtain wear-resisting colored pencil core material.
Example 2
Mix the preparation of stone slurry:
In the three-necked flask that thermometer, blender, reflux unit are housed, palm oil and diethyl is added according to 1: 2 mass ratio
Hydramine reacts 2.5h under the conditions of temperature is 160 DEG C, then is cooled to 75 DEG C, and 1.2 times of palm oil content of diethanol amine is added,
The reaction was continued 3.5h, obtains viscous brown transparency liquid, obtains white solid after natural cooling；
According to parts by weight, in a nitrogen atmosphere, 45 parts of above-mentioned white solids, 2 parts of stearic acid and 2.0 parts of ethylene glycol are taken, are placed in
In four-hole boiling flask, 190 DEG C are heated to, lubrication point is prepared in the hybrid reaction 4.5h under the speed of agitator of 700r/min
Powder, the hydroxy-silicone-oil emulsion for being 20% by 9 parts of colored enamel glazes, 35 parts of albites, 25 parts of potassium feldspars, 45 parts of mass fractions
It is placed in blender after stirring 35min with the revolving speed of 110r/min, obtains mixing stone slurry；
Refine the preparation of inorganic color pigment:
35 parts of kaolin, 75 parts of mixing stone slurries, 12 parts of triethanolamines, 25 parts of quick limes, 4 parts of cobalt oxides, 4.5 parts of nickel oxide are set
It is 15 ︰ 1 by ball material mass ratio in ball mill, ball milling 60min obtains ball milling slurry, above-mentioned ball milling slurry is transferred to resistance furnace
In be heated to 850 DEG C, keep the temperature 1.5h, be again heated to 1220 DEG C, keep the temperature 2.5h, obtain colored glaze；
Above-mentioned colored glaze is placed in normal-temperature water after cold quenching is broken, is put into baking oven and is heated to 115 DEG C, it is dry after with help
Abrasive material is 5 ︰, 1 co-grinding in mass ratio, crosses 400 meshes, and wherein grinding aid material is sodium nitrite, bentonite, magnesium sulfate by quality
Than being formulated for 1 ︰, 5 ︰ 2, refinement inorganic color pigment is obtained；
The preparation of wear-resisting colored pencil core material:
According to parts by weight, 12 parts of lubrication dispersing agents, 9 parts of silicone powders, 45 parts of inorganic color pigments, 17 parts of polyacrylic acid ester oils are taken
Ink, 22 parts of silver nitrate nano powder, 2 parts of azo diimidazole quinoline base propane dihydrochloride mixing, are placed in the height that revolving speed is 900r/min
Premixing 12min is carried out in fast mixing machine, is sufficiently mixed, and pen core base-material is obtained；
Pen core base-material is put into vacuum impregnation 22min in silicone oil of carboxyl, the pen core base-material double screw extruder after taking out dipping,
Core material is squeezed under the conditions of 110 DEG C of temperature, setting double screw extruder revolving speed is 220r/min, and head temperature is 130 DEG C, double
The main-machine screw revolving speed of screw extruder is 200r/min, and extrusion obtains core material and is put into set temperature to dry in 45 DEG C of baking oven
Obtain wear-resisting colored pencil core material.
Example 3
Mix the preparation of stone slurry:
In the three-necked flask that thermometer, blender, reflux unit are housed, palm oil and diethyl is added according to 1: 2 mass ratio
Hydramine reacts 3h under the conditions of temperature is 170 DEG C, then is cooled to 80 DEG C, and 1.5 times of palm oil content of diethanol amine is added, after
Continuous reaction 4h, obtains viscous brown transparency liquid, obtains white solid after natural cooling；
According to parts by weight, in a nitrogen atmosphere, 50 parts of above-mentioned white solids, 5 parts of stearic acid and 4.0 parts of ethylene glycol are taken, are placed in
In four-hole boiling flask, 220 DEG C are heated to, lubrication dispersion is prepared in the hybrid reaction 5h under the speed of agitator of 800r/min
The hydroxy-silicone-oil emulsion that 10 parts of colored enamel glazes, 40 parts of albites, 30 parts of potassium feldspars, 50 parts of mass fractions are 20% is set in agent
After stirring 40min in blender with the revolving speed of 120r/min, mixing stone slurry is obtained；
Refine the preparation of inorganic color pigment:
40 parts of kaolin, 80 parts of mixing stone slurries, 15 parts of triethanolamines, 30 parts of quick limes, 5 parts of cobalt oxides, 5 parts of nickel oxide are placed in
It is 15 ︰ 1 by ball material mass ratio in ball mill, ball milling 70min obtains ball milling slurry, above-mentioned ball milling slurry is transferred in resistance furnace
900 DEG C are heated to, 2h is kept the temperature, is again heated to 1250 DEG C, 3h is kept the temperature, obtains colored glaze；
Above-mentioned colored glaze is placed in normal-temperature water after cold quenching is broken, is put into baking oven and is heated to 130 DEG C, it is dry after with help
Abrasive material is 5 ︰, 1 co-grinding in mass ratio, crosses 400 meshes, and wherein grinding aid material is sodium nitrite, bentonite, magnesium sulfate by quality
Than being formulated for 1 ︰, 5 ︰ 2, refinement inorganic color pigment is obtained；
The preparation of wear-resisting colored pencil core material:
According to parts by weight, 15 parts of lubrication dispersing agents, 10 parts of silicone powders, 50 parts of inorganic color pigments, 18 parts of polyacrylate are taken
Ink, 25 parts of silver nitrate nano powder, 3 parts of azo diimidazole quinoline base propane dihydrochloride mixing, being placed in revolving speed is 1000r/min's
Premixing 15min is carried out in high-speed mixer, is sufficiently mixed, and pen core base-material is obtained；
Pen core base-material is put into vacuum impregnation 25min in silicone oil of carboxyl, the pen core base-material double screw extruder after taking out dipping,
Core material is squeezed under the conditions of 120 DEG C of temperature, setting double screw extruder revolving speed is 250r/min, and head temperature is 140 DEG C, double
The main-machine screw revolving speed of screw extruder is 250r/min, and extrusion obtains core material and is put into set temperature to dry in 50 DEG C of baking oven
Obtain wear-resisting colored pencil core material.
Comparative example 1: it is essentially identical with the preparation method of example 2, it has only the difference is that lacking mixing stone slurry.
Comparative example 2: it is essentially identical with the preparation method of example 2, it has only the difference is that lacking refinement inorganic color pigment.
Comparative example 3: the wear-resisting colored pencil core material of Heilungkiang company production.
Flexural strength test is detected by standard QB/T2859-2007 using lead for retractable pencil intensity meter stationery class detecting instrument.
Hardness test uses Wolff-wilborn pencil hardness test method.
Wearability test is carried out the abrasion resistance test of pencil-lead by QB/T2774-2006 standard.
Coloring test: QB/T2774-2006 standard is pressed, the pen core material in example 1~3 and comparative example is made congenial
The pencil of specification size writes 10 words on paper respectively, sees whether to be easy coloring and color shading.
1 colored pencil lead material property measurement result of table
| Test item | Example 1 | Example 2 | Example 3 | Comparative example 1 | Example 2 | Example 3 |
| Flexural strength (g/mm2) | 2962 | 2976 | 2987 | 1983 | 2131 | 2125 |
| Hardness (H) | 5 | 5 | 5 | 2 | 3 | 3 |
| Wearability | It is low to write 1000 word abrasion losses | It is low to write 1000 word abrasion losses | It is low to write 1000 word abrasion losses | It is high to write 1000 word abrasion losses | It is high to write 1000 word abrasion losses | It is high to write 1000 word abrasion losses |
| Coloring | Color is obvious, easy coloring | Color is obvious, easy coloring | Color is obvious, easy coloring | Color is thin, coloring is difficult | Color is thin, coloring is difficult | Color is thin, coloring is difficult |
High according to above-mentioned detection data wear-resisting colored pencil core material flexural strength of the invention, good toughness, hardness is high, writes
1000 word abrasion losses are low, and wearability is good, and coloring is good, and easy coloring, color is obvious, have broad application prospects.
The foregoing is merely preferred modes of the invention, are not intended to limit the invention, all in spirit and original of the invention
Within then, any modification, equivalent replacement, improvement and so on be should all be included in the protection scope of the present invention.
Claims (8)
1. a kind of preparation method of wear-resisting colored pencil core material, it is characterised in that specific preparation step are as follows:
(1) lubrication dispersing agent, silicone powder, inorganic color pigment, polyacrylate ink, silver nitrate nano powder, two miaow of azo are taken
Oxazoline base propane dihydrochloride mixing, be placed in revolving speed be 800~1000r/min high-speed mixer in carry out premixing 10~
15min is sufficiently mixed, and obtains pen core base-material；
(2) pen core base-material is put into 20~25min of vacuum impregnation in silicone oil of carboxyl, the pen core base-material twin-screw after taking out dipping
Extruder is squeezed into core material under the conditions of 100~120 DEG C of temperature, squeezes out and obtains core material to be put into set temperature being 40~50 DEG C
Drying obtains wear-resisting colored pencil core material in baking oven；
The specific preparation step of refinement inorganic color pigment are as follows:
(1) kaolin, mixing stone slurry, triethanolamine, quick lime, cobalt oxide, nickel oxide are placed in ball mill, by ball material quality
Than obtaining ball milling slurry for 15 ︰ 1,50~70min of ball milling, above-mentioned ball milling slurry is transferred in resistance furnace and is heated to 800~900
DEG C, 1~2h is kept the temperature, is again heated to 1200~1250 DEG C, 2~3h is kept the temperature, obtains colored glaze；
(2) above-mentioned colored glaze is placed in normal-temperature water after cold quenching is broken, is put into baking oven and is heated to 100~130 DEG C, does
After dry and grinding aid material is 5 ︰, 1 co-grinding in mass ratio, crosses 400 meshes, obtains refinement inorganic color pigment；
The specific preparation step of the lubrication dispersing agent are as follows:
(1) in the three-necked flask that thermometer, blender, reflux unit are housed, palm oil and diethanol amine is added, is in temperature
2~3h is reacted under the conditions of 150~170 DEG C, then is cooled to 70~80 DEG C, and 1.0~1.5 times of palm oil content of diethanol is added
Amine, the reaction was continued 3~4h obtain viscous brown transparency liquid, obtain white solid after natural cooling；
(2) in a nitrogen atmosphere, above-mentioned white solid, stearic acid and ethylene glycol are taken, is placed in four-hole boiling flask, is heated to
160~220 DEG C, 4~5h of hybrid reaction, is prepared lubrication dispersing agent under the speed of agitator of 600~800r/min.
2. a kind of preparation method of wear-resisting colored pencil core material according to claim 1, it is characterised in that: the pen
Each raw material in the specific preparation step of core base-material (1), according to parts by weight, including 10~15 parts of lubrication dispersing agent, silicone powder 8~10
Part, 40~50 parts of inorganic color pigment, 15~18 parts of polyacrylate ink, 20~25 parts of silver nitrate nano powder, two miaow of azo
2~3 parts of dihydrochloride of oxazoline base propane.
3. a kind of preparation method of wear-resisting colored pencil core material according to claim 1, it is characterised in that: the pen
Setting double screw extruder revolving speed is 200~250r/min, head when extruding prepares core material in the specific preparation step of core base-material (2)
Temperature is 120~140 DEG C, and the main-machine screw revolving speed of double screw extruder is 150~250r/min.
4. a kind of preparation method of wear-resisting colored pencil core material according to claim 1, it is characterised in that: described is thin
Change each raw material of ball milling slurry in the specific preparation step of inorganic color pigment (1), according to parts by weight, including kaolin 30~40
Part, mixing stone starch 70~80 parts, 10~15 parts of triethanolamine, 20~30 parts of quick lime, 3~5 parts of cobalt oxide, nickel oxide 4~5
Part.
5. a kind of preparation method of wear-resisting colored pencil core material according to claim 1, it is characterised in that: described is thin
Change the specific preparation step of mixing stone slurry in the specific preparation step of inorganic color pigment (1) are as follows:
It is 20% by 8~10 parts of colored enamel glazes, 30~40 parts of albites, 20~30 parts of potassium feldspars, 40~50 parts of mass fractions
Hydroxy-silicone-oil emulsion be placed in blender 30~40min stirred with the revolving speed of 100~120r/min after, obtain mixing stone slurry.
6. a kind of preparation method of wear-resisting colored pencil core material according to claim 1, it is characterised in that: described is thin
Grinding aid material is 1 ︰, 5 ︰ 2 by sodium nitrite, bentonite, magnesium sulfate in mass ratio in the change specific preparation step of inorganic color pigment (2)
It is formulated.
7. a kind of preparation method of wear-resisting colored pencil core material according to claim 1, it is characterised in that: the profit
Palm oil and diethanol amine mass ratio 1: 2 in the specific preparation step (1) of sliding dispersing agent.
8. a kind of preparation method of wear-resisting colored pencil core material according to claim 1, it is characterised in that: the profit
Each raw material in the specific preparation step (2) of sliding dispersing agent, according to parts by weight, including 40~50 parts of white solid, stearic acid 1~
5 parts, 0.5~4.0 part of ethylene glycol.
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