CN106590037A - Wear-resistant titanium dioxide-cladded calcium carbonate inorganic filler and preparation method thereof - Google Patents

Wear-resistant titanium dioxide-cladded calcium carbonate inorganic filler and preparation method thereof Download PDF

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Publication number
CN106590037A
CN106590037A CN201610911288.7A CN201610911288A CN106590037A CN 106590037 A CN106590037 A CN 106590037A CN 201610911288 A CN201610911288 A CN 201610911288A CN 106590037 A CN106590037 A CN 106590037A
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calcium carbonate
parts
titanium dioxide
inorganic filler
wear
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陈永忠
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QINGYANG HENGYUAN CHEMICAL MATERIALS Co Ltd
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QINGYANG HENGYUAN CHEMICAL MATERIALS Co Ltd
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Publication of CN106590037A publication Critical patent/CN106590037A/en
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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
    • 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
    • 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
    • C09C3/063—Coating
    • 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
    • C09C3/10—Treatment with macromolecular organic compounds
    • 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
    • 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
    • C01P2006/21—Attrition-index or crushing strength of granulates
    • 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
    • C01P2006/32—Thermal properties
    • C01P2006/37—Stability against thermal decomposition
    • 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
    • C01P2006/90—Other properties not specified above

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses wear-resistant titanium dioxide-cladded calcium carbonate inorganic filler and a preparation method thereof. The wear-resistant titanium dioxide-coated calcium carbonate inorganic filler is characterized by being prepared from raw materials in parts by weight as follows: 2-3 parts of graphene, 44-56 parts of calcium oxide, 1-3 parts of borax, a proper amount of CO2, 5-10 parts of acetylacetone, 6-12 parts of sodium stearate, 15-25 parts of butyl titanate, 1-2 parts of medical stone, 25-35 parts of polyethylene resin, 8-12 parts of dimethyl silicone oil and 200-250 parts of deionized water. Calcium carbonate powder is double cladded with titanium dioxide and polyethylene resin, so that the acid resistance, the whiteness and the fire resistance of the calcium carbonate powder are enhanced, the integration property of the inorganic filler with an organic substrate is improved, and the inorganic filler meets more application requirements; the characteristics like wear resistance, oxidization resistance, high hardness, good tensile strength and the like of calcium carbonate are enhanced in cooperation with added graphene and the like.

Description

A kind of wear-resisting coated by titanium dioxide calcium carbonate inorganic filler and preparation method thereof
Technical field
The present invention relates to a kind of composite modified calcium carbonate powder and its preparation, more particularly to a kind of wear-resisting titanium dioxide bag Cover calcium carbonate inorganic filler and preparation method thereof.
Background technology
The surface modification treatment of powder body is exactly the needs according to powder body material application, using methods such as physics, chemistry, machineries Purposefully change the physicochemical properties of powder body material surface, such as surface composition, structure and functional group, surface energy, surface profit Moist, electrical, photosensitiveness, absorption and response characteristic etc., to meet the needs of modern material and development of new techniques.In plastics, people In making the industry of marble Polymer material and polymer composites materials application, calcium carbonate powder filler occupies critically important Status.Pearl filler not only can lower the production cost of material, moreover it is possible to improve hardness, rigidity or the dimensionally stable of material Property, improves the mechanical property of material and gives material some special physical and chemical performances, such as corrosion resistance, weatherability, fire-retardant Property and insulating properties etc..But the surface due to pearl filler and substrate, i.e. organic polymer or interfacial property are different, the compatibility compared with Difference, therefore, it is difficult to it is dispersed in substrate, fill directly or too much and tend under some mechanical properties for causing material The shortcomings of dropping and be brittle.Therefore, in addition to the requirement of the granularity to pearl filler and particle size distribution, it is necessary to it Modifying surface, to improve the physicochemical characteristicss on its surface, strengthen its with organic polymer or resin etc. matrix it is compatible Property and the dispersibility in organic matrix, to improve the mechanical performance and combination property of material.
Section its master thesis fortunately《The dry surface modification research of calcium carbonate superfine powder powder body》In, using Oleic acid-horse Carry out anhydride composite modifier to be modified calcium carbonate powder, but when Calcium Carbonate is used as fillers such as plastics, coating, also exist That acid resistance is not good, the shortcomings of shortcoming with the amalgamation at organic group bottom.
The content of the invention
Thinking based on more than, the present invention is intended to provide a kind of composite modified calcium carbonate inorganic filler and preparation method thereof, To solve when Calcium Carbonate is used as fillers such as plastics, coating, the acid resistance for existing is not good, is short of with the amalgamation at organic group bottom The shortcomings of.
The technical problem to be solved is realized using following technical scheme：
A kind of wear-resisting coated by titanium dioxide calcium carbonate inorganic filler, it is characterised in that be made up of the raw material of following weight portion：
Graphene 2-3, calcium oxide 44-56, Borax 1-3, CO2In right amount, acetylacetone,2,4-pentanedione 5-10, sodium stearate 6-12, butyl titanate 15-25, Maifanitum 1-2, polyvinyl resin 25-35, dimethicone 8-12, deionized water 200-250.
Described a kind of wear-resisting coated by titanium dioxide calcium carbonate inorganic filler and preparation method thereof, it is characterised in that by Following steps are made：
A. calcium oxide solid is crushed into powdered, adds deionized water, stirring reaction 2-3h at 60-100 DEG C is reacted After serosity ageing 1-3h, serosity is transferred in carburizing reagent kettle, CO2Mixed after spinner flowmeter metering with air, led to Enter the gas distributor in carburizing reagent bottom portion；As pH ＜ 7, terminate reaction, obtain calcium carbonate serosity；
B. at 70-90 DEG C, Graphene, acetylacetone,2,4-pentanedione, sodium stearate are added in step a gained calcium carbonate serosity, in grinder After middle grinding stirs, butyl titanate is slowly added dropwise in grinding, continues to grind 0.5-1h after terminating, butyl titanate is in acetyl In the presence of acetone, hydrolysis generates titanium dioxide fine particles, and under the activation of sodium stearate, and Graphene is coated on together Calcium carbonate granule surface；The Calcium Carbonate of cladding titanium dioxide, Graphene microgranule is filtered, is dried, then crushed, obtain mixed Compound；
C. by step b gained mixture, Borax, Maifanitum input high speed mixer, polyvinyl resin, dimethyl-silicon are added Oil, stirring is warming up to 90-110 DEG C, after insulated and stirred 10-30min, Jing double screw extruder extruding pelletizations.
Described a kind of wear-resisting coated by titanium dioxide calcium carbonate inorganic filler and preparation method thereof, it is characterised in that step CO in rapid a2Flow is 0.04-0.40L/g (CaO) min, and reaction temperature is 15-45 DEG C.
The invention has the beneficial effects as follows：In the presence of acetylacetone,2,4-pentanedione, hydrolysis generates titanium dioxide fine particles to butyl titanate, and Under the activation of sodium stearate, calcium carbonate granule surface is coated on, enhances the acid resistance of calcium carbonate powder, whiteness and resistance to Fiery performance so as to meet wider application requirement；With polyethylene the calcium carbonate powder of cladding titanium dioxide is carried out again afterwards Coat again, be lipophile by the hydrophilic characteristic transition of gained powder body, promote its fusion with organic group bottom, make gained carbonic acid Calcium powder physical ability is preferably applied to the fields such as plastics, coating；The dimethicone for adding therebetween, prevents the group between Calcium Carbonate It is poly-, while promoting dispersion of the Calcium Carbonate in polyvinyl resin so as to parcel it is more uniform；Coordinate the Graphene of addition Deng enhancing the characteristic of the aspects such as wear-resisting Calcium Carbonate, resistance to oxidation, hardness are high, tensile strength is good.
Specific embodiment
With reference to embodiment, the specific embodiment of the present invention is further described.
Embodiment
A kind of wear-resisting coated by titanium dioxide calcium carbonate inorganic filler, it is characterised in that by the raw material system of following weight portion Into：
Graphene 3, calcium oxide 56, Borax 3, CO2In right amount, acetylacetone,2,4-pentanedione 10, sodium stearate 12, butyl titanate 25, Maifanitum 2, Polyvinyl resin 35, dimethicone 12, deionized water 250.
Described a kind of wear-resisting coated by titanium dioxide calcium carbonate inorganic filler and preparation method thereof, it is characterised in that by Following steps are made：
A. calcium oxide solid is crushed into powdered, adds deionized water, stirring reaction 2-3h at 60-100 DEG C is reacted After serosity ageing 1-3h, serosity is transferred in carburizing reagent kettle, CO2Mixed after spinner flowmeter metering with air, led to Enter the gas distributor in carburizing reagent bottom portion；As pH ＜ 7, terminate reaction, obtain calcium carbonate serosity；
B. at 70-90 DEG C, Graphene, acetylacetone,2,4-pentanedione, sodium stearate are added in step a gained calcium carbonate serosity, in grinder After middle grinding stirs, butyl titanate is slowly added dropwise in grinding, continues to grind 0.5-1h after terminating, butyl titanate is in acetyl In the presence of acetone, hydrolysis generates titanium dioxide fine particles, and under the activation of sodium stearate, and Graphene is coated on together Calcium carbonate granule surface；The Calcium Carbonate of cladding titanium dioxide, Graphene microgranule is filtered, is dried, then crushed, obtain mixed Compound；
C. by step b gained mixture, Borax, Maifanitum input high speed mixer, polyvinyl resin, dimethyl-silicon are added Oil, stirring is warming up to 90-110 DEG C, after insulated and stirred 10-30min, Jing double screw extruder extruding pelletizations.
Described a kind of wear-resisting coated by titanium dioxide calcium carbonate inorganic filler and preparation method thereof, it is characterised in that step CO in rapid a2Flow is 0.04-0.40L/g (CaO) min, and reaction temperature is 15-45 DEG C.
The present invention technical parameter be：Activation grade >=90%；Oil factor >=0.25mL/g.

Claims (3)

1. a kind of wear-resisting coated by titanium dioxide calcium carbonate inorganic filler, it is characterised in that be made up of the raw material of following weight portion：
Graphene 2-3, calcium oxide 44-56, Borax 1-3, CO2In right amount, acetylacetone,2,4-pentanedione 5-10, sodium stearate 6-12, butyl titanate 15-25, Maifanitum 1-2, polyvinyl resin 25-35, dimethicone 8-12, deionized water 200-250.
2. a kind of wear-resisting coated by titanium dioxide calcium carbonate inorganic filler according to claim 1 and preparation method thereof, its It is characterised by, is made up of following steps：
A. calcium oxide solid is crushed into powdered, adds deionized water, stirring reaction 2-3h at 60-100 DEG C is reacted After serosity ageing 1-3h, serosity is transferred in carburizing reagent kettle, CO2Mixed after spinner flowmeter metering with air, led to Enter the gas distributor in carburizing reagent bottom portion；As pH ＜ 7, terminate reaction, obtain calcium carbonate serosity；
B. at 70-90 DEG C, Graphene, acetylacetone,2,4-pentanedione, sodium stearate are added in step a gained calcium carbonate serosity, in grinder After middle grinding stirs, butyl titanate is slowly added dropwise in grinding, continues to grind 0.5-1h after terminating, butyl titanate is in acetyl In the presence of acetone, hydrolysis generates titanium dioxide fine particles, and under the activation of sodium stearate, and Graphene is coated on together Calcium carbonate granule surface；The Calcium Carbonate of cladding titanium dioxide, Graphene microgranule is filtered, is dried, then crushed, obtain mixed Compound；
C. by step b gained mixture, Borax, Maifanitum input high speed mixer, polyvinyl resin, dimethyl-silicon are added Oil, stirring is warming up to 90-110 DEG C, after insulated and stirred 10-30min, Jing double screw extruder extruding pelletizations.
3. a kind of wear-resisting coated by titanium dioxide calcium carbonate inorganic filler according to claim 2 and preparation method thereof, its It is characterised by, CO in step a2Flow is 0.04-0.40L/g (CaO) min, and reaction temperature is 15-45 DEG C.
CN201610911288.7A 2016-10-20 2016-10-20 Wear-resistant titanium dioxide-cladded calcium carbonate inorganic filler and preparation method thereof Pending CN106590037A (en)

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Applications Claiming Priority (1)

Application Number Priority Date Filing Date Title
CN201610911288.7A CN106590037A (en) 2016-10-20 2016-10-20 Wear-resistant titanium dioxide-cladded calcium carbonate inorganic filler and preparation method thereof

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CN106590037A true CN106590037A (en) 2017-04-26

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Application publication date: 20170426