CN106519775A - Modified calcium carbonate for coating - Google Patents
Modified calcium carbonate for coating Download PDFInfo
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- CN106519775A CN106519775A CN201610869678.2A CN201610869678A CN106519775A CN 106519775 A CN106519775 A CN 106519775A CN 201610869678 A CN201610869678 A CN 201610869678A CN 106519775 A CN106519775 A CN 106519775A
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C1/00—Treatment of specific inorganic materials other than fibrous fillers; Preparation of carbon black
- C09C1/02—Compounds of alkaline earth metals or magnesium
- C09C1/021—Calcium carbonates
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/006—Combinations of treatments provided for in groups C09C3/04 - C09C3/12
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/06—Treatment with inorganic compounds
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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
- C09C—TREATMENT OF INORGANIC MATERIALS, OTHER THAN FIBROUS FILLERS, TO ENHANCE THEIR PIGMENTING OR FILLING PROPERTIES ; PREPARATION OF CARBON BLACK ; PREPARATION OF INORGANIC MATERIALS WHICH ARE NO SINGLE CHEMICAL COMPOUNDS AND WHICH ARE MAINLY USED AS PIGMENTS OR FILLERS
- C09C3/00—Treatment in general of inorganic materials, other than fibrous fillers, to enhance their pigmenting or filling properties
- C09C3/08—Treatment with low-molecular-weight non-polymer organic compounds
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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
- C09D7/00—Features of coating compositions, not provided for in group C09D5/00; Processes for incorporating ingredients in coating compositions
- C09D7/40—Additives
- C09D7/60—Additives non-macromolecular
- C09D7/61—Additives non-macromolecular inorganic
- C09D7/62—Additives non-macromolecular inorganic modified by treatment with other compounds
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/11—Powder tap density
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2006/00—Physical properties of inorganic compounds
- C01P2006/19—Oil-absorption capacity, e.g. DBP values
Abstract
The invention discloses a modified calcium carbonate for coating. The coating comprises calcium carbonate, benzoas, catalyst, evocating agent, acesulfame potassium, sodium hydrogen carbonate, bridging agent, conditioning agent, crosslinking agent, accelerant, allyl banzene, plasticizer, sodium peroxydisulfate, aluminum hydroxide sol, active floridin, compatilizer, dispersant, monoammonium phosphate, smoke suppressor, ultraviolet absorbent, light stabilizer, antiager and stabilizer. Through the modification of the calcium carbonate, the problems of the hydrophile and oleophobic features, poor dispersing property, easy settlement and poor compatibility with polymers which leads to the unfulfillment of reinforcement function are all solved. The modified calcium carbonate enlarges the application scope of calcium carbonate, and at the same time endows the modified calcium carbonate with anti-aging function and the like.
Description
【Technical field】
The invention belongs to modified calcium carbonate preparing technical field, and in particular to a kind of coating modified calcium carbonate.
【Background technology】
Calcium carbonate is the important functional inorganic filling of a class, with cheap, rich reserves, stable performance, Yi Jia
Work, it is nontoxic the advantages of, can significantly improve the processing characteristics of material, physical property and reduce production cost etc., extensively
The fields such as plastics, rubber, coating, papermaking are applied to, as calcium carbonate is hydrophilic compounds, cause to exist in actual applications
It is not enough with Polymers Phase capacitive, the defect such as bad dispersibility, it is impossible to reach satisfied filler reinforcement effect, it is therefore desirable to calcium carbonate
Process is modified, to improve its dispersiveness and compatibility in coating, to reach the effect for improving properties of product.
【The content of the invention】
The technical problem to be solved in the present invention is to provide a kind of coating modified calcium carbonate, hydrophilic to solve existing calcium carbonate
The problems such as oleophobic, poor dispersion, free settling and paint compatibility difference.The present invention is by calcium carbonate modified, solving carbonic acid
The problems such as hydrophilic oleophobic of calcium, poor dispersion, free settling and polymer compatibility difference are unable to reach humidification, improves carbon
The range of application of sour calcium；The functions such as modified calcium carbonate is anti-aging are imparted simultaneously.
In order to solve above technical problem, the present invention is employed the following technical solutions：
A kind of coating modified calcium carbonate, in units of weight portion, including following raw material：Calcium carbonate 162-200 parts, benzene first
Acid esters 46-60 parts, catalyst 0.4-0.6 parts, initiator 0.2-0.4 parts, acesulfame potassium 2.2-4.1 parts, sodium acid carbonate
1.6-3.4 parts, bridging agent 0.5-0.7 parts, conditioning agent 0.2-0.4 parts, crosslinking agent 0.3-0.6 parts, accelerator 0.1-0.2 parts, benzene
Propylene 6.3-10.4 parts, plasticizer 0.4-0.8 parts, sodium peroxydisulfate 1.1-3.5 parts, hydrosol aluminium hydroxide 4.2-6.5 parts, activity
Carclazyte 3.1-5.2 parts, compatilizer 0.3-0.6 parts, dispersant 0.2-0.4 parts, MAP 1.3-3.4 parts, antismoke agent 2.2-3.6
Part, ultra-violet absorber 0.2-0.4 parts, the steady agent 0.1-0.2 parts of light, antiager 0.3-0.6 parts, stabilizer 0.2-0.5 parts；
The catalyst is platinum catalyst；
The initiator is peroxidized t-butyl perbenzoate；
The bridging agent is acrylic type bridging agent；
The conditioning agent is esters of acrylic acid conditioning agent；
The crosslinking agent is trimethylolpropane tris (3- aziridinyl propionic esters)；
The accelerator is dibutyl tin laurate；
The plasticizer is phthalic acid two (2- ethyl hexyls) ester；
The compatilizer is modified polyacrylate；
The dispersant is dispersant 5040；
The antismoke agent is that dicyclopentadiene closes iron；
The ultra-violet absorber is ESCALOL 567；
The light stabilizer is light stabilizer 770；
The antiager is BASF UV-234 antiagers；
The stabilizer is dibasic lead phosphite；
The preparation method of the coating modified calcium carbonate, it is characterised in that comprise the following steps：
S1：Calcium carbonate is crushed, the sieve of 2000-3000 mesh is crossed, prepared Paris white minces；
S2：Paris white is minced the slurry for being made into that concentration is 4%-6%, adds benzoic ether, urges in the slurry
Agent, initiator, are 120-220W in microwave power, and temperature is 78-82 DEG C, and rotating speed is to stir 0.5- under 300-600r/min
0.9h, is obtained material A；
S3：Acesulfame potassium, sodium acid carbonate, bridging agent, conditioning agent, friendship is added in material A obtained in step S2
Connection agent, accelerator, propenyl benzene, plasticizer, protect in nitrogen, and microwave power is 140-200W, and temperature is 70-76 DEG C, and rotating speed is
0.4-0.6h is stirred under 200-400r/min, material B is obtained；
S4：Sodium peroxydisulfate is added in material B obtained in step S3, is 100-130W in microwave power, temperature is 85-92
DEG C, rotating speed is to stir 2.8-4.5h under 300-500r/min, and material C is obtained；
S5：Hydrosol aluminium hydroxide, atlapulgite, compatilizer, dispersant is added in material C obtained in step S4,
Microwave power is 230-250W, and temperature is 80-83 DEG C, and rotating speed is to stir 1.8-3.9h under 200-300r/min, and material D is obtained；
S6：MAP, antismoke agent, ultra-violet absorber, the steady agent of light, anti-ageing is added in material D obtained in step S5
Agent, stabilizer, are 160-180W in microwave power, and temperature is 46-55 DEG C, and rotating speed is to stir 0.5- under 1000-1200r/min
0.9h, after then standing 4.5-5.5h, suction filtration is obtained wet thing, and the wet thing is dried to water content≤3% at 82-88 DEG C, then is connect
And grind to form a nanometer powdery, prepared coating modified calcium carbonate.
Preferably, microwave power described in step S2 is 220W, and temperature is 82 DEG C, and rotating speed is to stir under 600r/min
0.5h, is obtained material A.
Preferably, microwave power described in step S3 is 200W, and temperature is 76 DEG C, and rotating speed is to stir under 400r/min
0.4h, is obtained material B.
Preferably, microwave power described in step S4 is 130W, and temperature is 92 DEG C, and rotating speed is to stir under 500r/min
2.8h, is obtained material C.
Preferably, microwave power described in step S5 is 250W, and temperature is 83 DEG C, and rotating speed is to stir under 300r/min
1.8h, is obtained material D.
Preferably, microwave power described in step S6 is 180W, and temperature is 55 DEG C, and rotating speed is to stir under 1200r/min
0.5h。
Preferably, it is 3% that wet thing described in step S6 is dried to water content at 82 DEG C.
The invention has the advantages that：
(1) present invention is by calcium carbonate modified, solving the hydrophilic oleophobic of calcium carbonate, poor dispersion, free settling and gathering
The problems such as compound poor compatibility is unable to reach humidification, improves the range of application of calcium carbonate；Impart modified carbonic acid simultaneously
The function such as calcium is anti-aging；
(2) coating of the invention has as coatings industry filler and increases with modified calcium carbonate preparation method is simple, low cost
The effect of strong product various aspects of performance, is worthy to be popularized.
【Specific embodiment】
For ease of more fully understanding the present invention, it is illustrated by following instance, these examples belong to the protection of the present invention
Scope, but do not limit the scope of the invention.
In embodiment, the coating modified calcium carbonate, in units of weight portion, including following raw material：Calcium carbonate
162-200 parts, benzoic ether 46-60 parts, catalyst 0.4-0.6 parts, initiator 0.2-0.4 parts, acesulfame potassium 2.2-
4.1 parts, sodium acid carbonate 1.6-3.4 parts, bridging agent 0.5-0.7 parts, conditioning agent 0.2-0.4 parts, crosslinking agent 0.3-0.6 parts, promotion
Agent 0.1-0.2 parts, propenyl benzene 6.3-10.4 parts, plasticizer 0.4-0.8 parts, sodium peroxydisulfate 1.1-3.5 parts, hydrosol aluminium hydroxide
4.2-6.5 parts, atlapulgite 3.1-5.2 parts, compatilizer 0.3-0.6 parts, dispersant 0.2-0.4 parts, MAP 1.3-3.4
It is part, antismoke agent 2.2-3.6 parts, ultra-violet absorber 0.2-0.4 parts, the steady agent 0.1-0.2 parts of light, antiager 0.3-0.6 parts, stable
Agent 0.2-0.5 parts；
The catalyst is platinum catalyst；
The initiator is peroxidized t-butyl perbenzoate；
The bridging agent is acrylic type bridging agent；
The conditioning agent is esters of acrylic acid conditioning agent；
The crosslinking agent is trimethylolpropane tris (3- aziridinyl propionic esters)；
The accelerator is dibutyl tin laurate；
The plasticizer is phthalic acid two (2- ethyl hexyls) ester；
The compatilizer is modified polyacrylate；
The dispersant is dispersant 5040；
The antismoke agent is that dicyclopentadiene closes iron；
The ultra-violet absorber is ESCALOL 567；
The light stabilizer is light stabilizer 770；
The antiager is BASF UV-234 antiagers；
The stabilizer is dibasic lead phosphite；
The preparation method of the coating modified calcium carbonate, it is characterised in that comprise the following steps：
S1：Calcium carbonate is crushed, the sieve of 2000-3000 mesh is crossed, prepared Paris white minces；
S2：Paris white is minced the slurry for being made into that concentration is 4%-6%, adds benzoic ether, urges in the slurry
Agent, initiator, are 120-220W in microwave power, and temperature is 78-82 DEG C, and rotating speed is to stir 0.5- under 300-600r/min
0.9h, is obtained material A；
S3：Acesulfame potassium, sodium acid carbonate, bridging agent, conditioning agent, friendship is added in material A obtained in step S2
Connection agent, accelerator, propenyl benzene, plasticizer, protect in nitrogen, and microwave power is 140-200W, and temperature is 70-76 DEG C, and rotating speed is
0.4-0.6h is stirred under 200-400r/min, material B is obtained；
S4：Sodium peroxydisulfate is added in material B obtained in step S3, is 100-130W in microwave power, temperature is 85-92
DEG C, rotating speed is to stir 2.8-4.5h under 300-500r/min, and material C is obtained；
S5：Hydrosol aluminium hydroxide, atlapulgite, compatilizer, dispersant is added in material C obtained in step S4,
Microwave power is 230-250W, and temperature is 80-83 DEG C, and rotating speed is to stir 1.8-3.9h under 200-300r/min, and material D is obtained；
S6：MAP, antismoke agent, ultra-violet absorber, the steady agent of light, anti-ageing is added in material D obtained in step S5
Agent, stabilizer, are 160-180W in microwave power, and temperature is 46-55 DEG C, and rotating speed is to stir 0.5- under 1000-1200r/min
0.9h, after then standing 4.5-5.5h, suction filtration is obtained wet thing, and the wet thing is dried to water content≤3% at 82-88 DEG C, then is connect
And grind to form a nanometer powdery, prepared coating modified calcium carbonate.
Below by more specific embodiment, the present invention will be described.
Embodiment 1
A kind of coating modified calcium carbonate, in units of weight portion, including following raw material：180 parts of calcium carbonate, benzoic ether
53 parts, 0.5 part of catalyst, 0.3 part of initiator, 3.2 parts of acesulfame potassium, 2.5 parts of sodium acid carbonate, 0.6 part of bridging agent, adjust
It is 0.3 part of agent of section, 0.5 part of crosslinking agent, 0.1 part of accelerator, 8.4 parts of propenyl benzene, 0.6 part of plasticizer, 2.4 parts of sodium peroxydisulfate, water-soluble
5.4 parts of glue aluminium hydroxide, 4.2 parts of atlapulgite, 0.5 part of compatilizer, 0.3 part of dispersant, 2.6 parts of MAP, antismoke agent 2.8
Part, 0.3 part of ultra-violet absorber, 0.1 part of the steady agent of light, 0.5 part of antiager, 0.4 part of stabilizer；
The catalyst is platinum catalyst；
The initiator is peroxidized t-butyl perbenzoate；
The bridging agent is acrylic type bridging agent；
The conditioning agent is esters of acrylic acid conditioning agent；
The crosslinking agent is trimethylolpropane tris (3- aziridinyl propionic esters)；
The accelerator is dibutyl tin laurate；
The plasticizer is phthalic acid two (2- ethyl hexyls) ester；
The compatilizer is modified polyacrylate；
The dispersant is dispersant 5040；
The antismoke agent is that dicyclopentadiene closes iron；
The ultra-violet absorber is ESCALOL 567；
The light stabilizer is light stabilizer 770；
The antiager is BASF UV-234 antiagers；
The stabilizer is dibasic lead phosphite；
The preparation method of the coating modified calcium carbonate, it is characterised in that comprise the following steps：
S1：Calcium carbonate is crushed, the sieve of 2000 mesh is crossed, prepared Paris white minces；
S2：Paris white is minced the slurry for being made into that concentration is 5%, in the slurry add benzoic ether, catalyst,
Initiator, is 170W in microwave power, and temperature is 80 DEG C, and rotating speed is to stir 0.8h under 500r/min, and material A is obtained；
S3：Acesulfame potassium, sodium acid carbonate, bridging agent, conditioning agent, friendship is added in material A obtained in step S2
Connection agent, accelerator, propenyl benzene, plasticizer, protect in nitrogen, and microwave power is 170W, and temperature is 75 DEG C, and rotating speed is 300r/min
Lower stirring 0.5h, is obtained material B；
S4：Sodium peroxydisulfate is added in material B obtained in step S3, is 120W in microwave power, temperature is 88 DEG C, rotating speed
For 3.5h being stirred under 400r/min, be obtained material C；
S5：Hydrosol aluminium hydroxide, atlapulgite, compatilizer, dispersant is added in material C obtained in step S4,
Microwave power is 240W, and temperature is 82 DEG C, and rotating speed is to stir 3.2h under 200r/min, and material D is obtained；
S6：MAP, antismoke agent, ultra-violet absorber, the steady agent of light, anti-ageing is added in material D obtained in step S5
Agent, stabilizer, are 170W in microwave power, and temperature is 49 DEG C, and rotating speed is to stir 0.7h under 1000r/min, after then standing 5h
Suction filtration is obtained wet thing, and it is 3% that the wet thing is dried to water content at 86 DEG C, followed by a nanometer powdery is ground to form, coating is obtained
Use modified calcium carbonate.
Embodiment 2
A kind of coating modified calcium carbonate, in units of weight portion, including following raw material：162 parts of calcium carbonate, benzoic ether
46 parts, 0.4 part of catalyst, 0.2 part of initiator, 2.2 parts of acesulfame potassium, 1.6 parts of sodium acid carbonate, 0.5 part of bridging agent, adjust
It is 0.2 part of agent of section, 0.3 part of crosslinking agent, 0.1 part of accelerator, 6.3 parts of propenyl benzene, 0.4 part of plasticizer, 1.1 parts of sodium peroxydisulfate, water-soluble
4.2 parts of glue aluminium hydroxide, 3.1 parts of atlapulgite, 0.3 part of compatilizer, 0.2 part of dispersant, 1.3 parts of MAP, antismoke agent 2.2
Part, 0.2 part of ultra-violet absorber, 0.1 part of the steady agent of light, 0.3 part of antiager, 0.2 part of stabilizer；
The catalyst is platinum catalyst；
The initiator is peroxidized t-butyl perbenzoate；
The bridging agent is acrylic type bridging agent；
The conditioning agent is esters of acrylic acid conditioning agent；
The crosslinking agent is trimethylolpropane tris (3- aziridinyl propionic esters)；
The accelerator is dibutyl tin laurate；
The plasticizer is phthalic acid two (2- ethyl hexyls) ester；
The compatilizer is modified polyacrylate；
The dispersant is dispersant 5040；
The antismoke agent is that dicyclopentadiene closes iron；
The ultra-violet absorber is ESCALOL 567；
The light stabilizer is light stabilizer 770；
The antiager is BASF UV-234 antiagers；
The stabilizer is dibasic lead phosphite；
The preparation method of the coating modified calcium carbonate, it is characterised in that comprise the following steps：
S1：Calcium carbonate is crushed, the sieve of 2000 mesh is crossed, prepared Paris white minces；
S2：Paris white is minced the slurry for being made into that concentration is 4%, in the slurry add benzoic ether, catalyst,
Initiator, is 120W in microwave power, and temperature is 78 DEG C, and rotating speed is to stir 0.9h under 300r/min, and material A is obtained；
S3：Acesulfame potassium, sodium acid carbonate, bridging agent, conditioning agent, friendship is added in material A obtained in step S2
Connection agent, accelerator, propenyl benzene, plasticizer, protect in nitrogen, and microwave power is 140W, and temperature is 70 DEG C, and rotating speed is 200r/min
Lower stirring 0.6h, is obtained material B；
S4：Sodium peroxydisulfate is added in material B obtained in step S3, is 100W in microwave power, temperature is 85 DEG C, rotating speed
For 4.5h being stirred under 300r/min, be obtained material C；
S5：Hydrosol aluminium hydroxide, atlapulgite, compatilizer, dispersant is added in material C obtained in step S4,
Microwave power is 230W, and temperature is 80 DEG C, and rotating speed is to stir 3.9h under 200r/min, and material D is obtained；
S6：MAP, antismoke agent, ultra-violet absorber, the steady agent of light, anti-ageing is added in material D obtained in step S5
Agent, stabilizer, are 160W in microwave power, and temperature is 46 DEG C, and rotating speed is to stir 0.9h under 1000r/min, then stands 4.5h
Suction filtration is obtained wet thing afterwards, and it is 2.5% that the wet thing is dried to water content at 82 DEG C, followed by a nanometer powdery is ground to form, is obtained
Coating modified calcium carbonate.
Embodiment 3
A kind of coating modified calcium carbonate, in units of weight portion, including following raw material：200 parts of calcium carbonate, benzoic ether
60 parts, 0.6 part of catalyst, 0.4 part of initiator, 4.1 parts of acesulfame potassium, 3.4 parts of sodium acid carbonate, 0.7 part of bridging agent, adjust
It is 0.4 part of agent of section, 0.6 part of crosslinking agent, 0.2 part of accelerator, 10.4 parts of propenyl benzene, 0.8 part of plasticizer, 3.5 parts of sodium peroxydisulfate, water-soluble
6.5 parts of glue aluminium hydroxide, 5.2 parts of atlapulgite, 0.6 part of compatilizer, 0.4 part of dispersant, 3.4 parts of MAP, antismoke agent 3.6
Part, 0.4 part of ultra-violet absorber, 0.2 part of the steady agent of light, 0.6 part of antiager, 0.5 part of stabilizer；
The catalyst is platinum catalyst；
The initiator is peroxidized t-butyl perbenzoate；
The bridging agent is acrylic type bridging agent；
The conditioning agent is esters of acrylic acid conditioning agent；
The crosslinking agent is trimethylolpropane tris (3- aziridinyl propionic esters)；
The accelerator is dibutyl tin laurate；
The plasticizer is phthalic acid two (2- ethyl hexyls) ester；
The compatilizer is modified polyacrylate；
The dispersant is dispersant 5040；
The antismoke agent is that dicyclopentadiene closes iron；
The ultra-violet absorber is ESCALOL 567；
The light stabilizer is light stabilizer 770；
The antiager is BASF UV-234 antiagers；
The stabilizer is dibasic lead phosphite；
The preparation method of the coating modified calcium carbonate, it is characterised in that comprise the following steps：
S1：Calcium carbonate is crushed, the sieve of 3000 mesh is crossed, prepared Paris white minces；
S2：Paris white is minced the slurry for being made into that concentration is 6%, in the slurry add benzoic ether, catalyst,
Initiator, is 220W in microwave power, and temperature is 82 DEG C, and rotating speed is to stir 0.5h under 600r/min, and material A is obtained；
S3：Acesulfame potassium, sodium acid carbonate, bridging agent, conditioning agent, friendship is added in material A obtained in step S2
Connection agent, accelerator, propenyl benzene, plasticizer, protect in nitrogen, and microwave power is 200W, and temperature is 76 DEG C, and rotating speed is 400r/min
Lower stirring 0.4h, is obtained material B；
S4：Sodium peroxydisulfate is added in material B obtained in step S3, is 130W in microwave power, temperature is 92 DEG C, rotating speed
For 2.8h being stirred under 500r/min, be obtained material C；
S5：Hydrosol aluminium hydroxide, atlapulgite, compatilizer, dispersant is added in material C obtained in step S4,
Microwave power is 250W, and temperature is 83 DEG C, and rotating speed is to stir 1.8h under 300r/min, and material D is obtained；
S6：MAP, antismoke agent, ultra-violet absorber, the steady agent of light, anti-ageing is added in material D obtained in step S5
Agent, stabilizer, are 180W in microwave power, and temperature is 55 DEG C, and rotating speed is to stir 0.5h under 1200r/min, then stands 5.5h
Suction filtration is obtained wet thing afterwards, and it is 2.3% that the wet thing is dried to water content at 88 DEG C, followed by a nanometer powdery is ground to form, is obtained
Coating modified calcium carbonate.
The coating modified calcium carbonate and unmodified calcium carbonate performance of the production of embodiment of the present invention 1-3 are compared,
Obtaining modified calcium carbonate and 54.86%-56.12% being reduced than unmodified calcium carbonate oil factor, settling volume is reduced
63.89%-68.05%, viscosity reduce 60.58%-64.79%, and bulk density reduces 22.13%-24.18%, activation
Rate improves 38.09%-40.68%, illustrates modified calcium carbonate oleophilic drainage, good with paint compatibility, and piles up close
Degree diminishes, and illustrates that calcium carbonate dispersive property is good, is difficult to reunite.
Above content it cannot be assumed that the present invention be embodied as be confined to these explanation, for belonging to the present invention technology neck
For the those of ordinary skill in domain, without departing from the inventive concept of the premise, some simple deduction or replace can also be made,
The scope of patent protection that the present invention is determined by the claims submitted to should be all considered as belonging to.
Claims (7)
1. a kind of coating modified calcium carbonate, it is characterised in that in units of weight portion, including following raw material：Calcium carbonate 162-
200 parts, benzoic ether 46-60 parts, catalyst 0.4-0.6 parts, initiator 0.2-0.4 parts, acesulfame potassium 2.2-4.1
Part, sodium acid carbonate 1.6-3.4 parts, bridging agent 0.5-0.7 parts, conditioning agent 0.2-0.4 parts, crosslinking agent 0.3-0.6 parts, accelerator
0.1-0.2 parts, propenyl benzene 6.3-10.4 parts, plasticizer 0.4-0.8 parts, sodium peroxydisulfate 1.1-3.5 parts, hydrosol aluminium hydroxide
4.2-6.5 parts, atlapulgite 3.1-5.2 parts, compatilizer 0.3-0.6 parts, dispersant 0.2-0.4 parts, MAP 1.3-3.4
It is part, antismoke agent 2.2-3.6 parts, ultra-violet absorber 0.2-0.4 parts, the steady agent 0.1-0.2 parts of light, antiager 0.3-0.6 parts, stable
Agent 0.2-0.5 parts；
The catalyst is platinum catalyst；
The initiator is peroxidized t-butyl perbenzoate；
The bridging agent is acrylic type bridging agent；
The conditioning agent is esters of acrylic acid conditioning agent；
The crosslinking agent is trimethylolpropane tris (3- aziridinyl propionic esters)；
The accelerator is dibutyl tin laurate；
The plasticizer is phthalic acid two (2- ethyl hexyls) ester；
The compatilizer is modified polyacrylate；
The dispersant is dispersant 5040；
The antismoke agent is that dicyclopentadiene closes iron；
The ultra-violet absorber is ESCALOL 567；
The light stabilizer is light stabilizer 770；
The antiager is BASF UV-234 antiagers；
The stabilizer is dibasic lead phosphite；
The preparation method of the coating modified calcium carbonate, it is characterised in that comprise the following steps：
S1：Calcium carbonate is crushed, the sieve of 2000-3000 mesh is crossed, prepared Paris white minces；
S2：Paris white is minced be made into concentration be 4%-6% slurry, in the slurry add benzoic ether, catalyst,
Initiator, is 120-220W in microwave power, and temperature is 78-82 DEG C, and rotating speed is to stir 0.5-0.9h under 300-600r/min, is made
Obtain material A；
S3：To in material A obtained in step S2 add acesulfame potassium, sodium acid carbonate, bridging agent, conditioning agent, crosslinking agent,
Accelerator, propenyl benzene, plasticizer, protect in nitrogen, and microwave power is 140-200W, and temperature is 70-76 DEG C, and rotating speed is 200-
0.4-0.6h is stirred under 400r/min, material B is obtained；
S4：Sodium peroxydisulfate is added in material B obtained in step S3, is 100-130W in microwave power, temperature is 85-92 DEG C,
Rotating speed is to stir 2.8-4.5h under 300-500r/min, and material C is obtained；
S5：Hydrosol aluminium hydroxide, atlapulgite, compatilizer, dispersant is added in material C obtained in step S4, in microwave
Power is 230-250W, and temperature is 80-83 DEG C, and rotating speed is to stir 1.8-3.9h under 200-300r/min, and material D is obtained；
S6：MAP, antismoke agent, ultra-violet absorber, the steady agent of light, antiager, steady is added in material D obtained in step S5
Determining agent, being 160-180W in microwave power, temperature is 46-55 DEG C, and rotating speed is 0.5-0.9h to be stirred under 1000-1200r/min, is connect
After standing 4.5-5.5h, suction filtration is obtained wet thing, and the wet thing is dried to water content≤3% at 82-88 DEG C, followed by grinding
Into nanometer powdery, prepared coating modified calcium carbonate.
2. coating modified calcium carbonate according to claim 1, it is characterised in that microwave power is described in step S2
220W, temperature are 82 DEG C, and rotating speed is to stir 0.5h under 600r/min, and material A is obtained.
3. coating modified calcium carbonate according to claim 1, it is characterised in that microwave power is described in step S3
200W, temperature are 76 DEG C, and rotating speed is to stir 0.4h under 400r/min, and material B is obtained.
4. coating modified calcium carbonate according to claim 3, it is characterised in that microwave power is described in step S4
130W, temperature are 92 DEG C, and rotating speed is to stir 2.8h under 500r/min, and material C is obtained.
5. coating modified calcium carbonate according to claim 1, it is characterised in that microwave power is described in step S5
250W, temperature are 83 DEG C, and rotating speed is to stir 1.8h under 300r/min, and material D is obtained.
6. coating modified calcium carbonate according to claim 1, it is characterised in that microwave power is described in step S6
180W, temperature are 55 DEG C, and rotating speed is to stir 0.5h under 1200r/min.
7. coating modified calcium carbonate according to claim 1, it is characterised in that wet thing is at 82 DEG C described in step S6
It is 3% to be dried to water content.
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| CN107118591A (en) * | 2017-06-27 | 2017-09-01 | 长兴大地新型材料有限公司 | A kind of preparation method of inorganic modified nano-calcium carbonate |
| CN107163622A (en) * | 2017-06-27 | 2017-09-15 | 长兴大地新型材料有限公司 | A kind of preparation method of the inorganic modified nano-calcium carbonate of durable antibiotic |
| CN107446386A (en) * | 2017-08-17 | 2017-12-08 | 广西汇智生产力促进中心有限公司 | Good coating modified calcium carbonate of a kind of dispersed effect and preparation method thereof |
| CN107446385A (en) * | 2017-08-17 | 2017-12-08 | 广西汇智生产力促进中心有限公司 | A kind of low modified calcium carbonate of oil factor and its application in paint |
| CN111763435A (en) * | 2020-06-23 | 2020-10-13 | 湖北民族大学 | High-dispersion composite modified heavy calcium carbonate and preparation method thereof |
| CN113943497A (en) * | 2020-07-17 | 2022-01-18 | 湖南磊鑫新材料科技有限公司 | Modified calcium carbonate and preparation method thereof |
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| CN107118591A (en) * | 2017-06-27 | 2017-09-01 | 长兴大地新型材料有限公司 | A kind of preparation method of inorganic modified nano-calcium carbonate |
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| CN107446386A (en) * | 2017-08-17 | 2017-12-08 | 广西汇智生产力促进中心有限公司 | Good coating modified calcium carbonate of a kind of dispersed effect and preparation method thereof |
| CN107446385A (en) * | 2017-08-17 | 2017-12-08 | 广西汇智生产力促进中心有限公司 | A kind of low modified calcium carbonate of oil factor and its application in paint |
| CN111763435A (en) * | 2020-06-23 | 2020-10-13 | 湖北民族大学 | High-dispersion composite modified heavy calcium carbonate and preparation method thereof |
| CN111763435B (en) * | 2020-06-23 | 2021-11-16 | 湖北民族大学 | High-dispersion composite modified heavy calcium carbonate and preparation method thereof |
| CN113943497A (en) * | 2020-07-17 | 2022-01-18 | 湖南磊鑫新材料科技有限公司 | Modified calcium carbonate and preparation method thereof |
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Application publication date: 20170322 |