CN106967310A - One kind paint dedicated modified calcium carbonate of class and preparation method thereof - Google Patents
One kind paint dedicated modified calcium carbonate of class and preparation method thereof Download PDFInfo
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- CN106967310A CN106967310A CN201710312635.9A CN201710312635A CN106967310A CN 106967310 A CN106967310 A CN 106967310A CN 201710312635 A CN201710312635 A CN 201710312635A CN 106967310 A CN106967310 A CN 106967310A
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- calcium carbonate
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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
- C09C3/04—Physical treatment, e.g. grinding, treatment with ultrasonic vibrations
- C09C3/041—Grinding
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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
- C09D7/70—Additives characterised by shape, e.g. fibres, flakes or microspheres
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- C—CHEMISTRY; METALLURGY
- C01—INORGANIC CHEMISTRY
- C01P—INDEXING SCHEME RELATING TO STRUCTURAL AND PHYSICAL ASPECTS OF SOLID INORGANIC COMPOUNDS
- C01P2004/00—Particle morphology
- C01P2004/60—Particles characterised by their size
- C01P2004/61—Micrometer sized, i.e. from 1-100 micrometer
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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
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- Chemical & Material Sciences (AREA)
- Organic Chemistry (AREA)
- Life Sciences & Earth Sciences (AREA)
- Engineering & Computer Science (AREA)
- Materials Engineering (AREA)
- Wood Science & Technology (AREA)
- Paints Or Removers (AREA)
- Compounds Of Alkaline-Earth Elements, Aluminum Or Rare-Earth Metals (AREA)
- Pigments, Carbon Blacks, Or Wood Stains (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a kind of preparation method for painting the dedicated modified calcium carbonate of class, comprise the following steps：（1）The preparation of modifying agent：By oleic acid, styrene and maleic anhydride by mass percentage（90~95）：（5~9）：（1~5）It is put into reactor, after stirring reaction, cooling adds the hydroquinones of product quality 0.03~0.1%, that is, obtains modifying agent；（2）Modifying agent is added in oxide spinel calcium and is modified, the oxide spinel calcium is powdered whiting or calcium carbonate mineral, that is, obtains painting the dedicated modified calcium carbonate of class.Product activation rate made from the inventive method is high, and oil factor is low and compatibility of with high molecular polymer is good.
Description
Technical field
The invention belongs to calcium carbonate modified field, and in particular to one kind paint dedicated modified calcium carbonate of class and its preparation side
Method.
Background technology
Calcium carbonate is a kind of cheap packing material, is had a wide range of applications in industries such as plastics, rubber, coating, papermaking.
But it is hydrophilic and oleophobic because its surface can be high, easily reunite, the compatibility with high molecular polymer is very poor.Therefore, it is being filled into
, it is necessary to carry out surface modification to it during high molecular polymer, to improve its scattered and compatibility in the polymer, reduce into
This, improves performance.There is modification temperature height in the modification technology of current calcium carbonate, activation grade is not enough, and oil factor is not low, and selectivity is not
By force.Modification temperature is low, reduces energy consumption, and oil factor is low in the filling process, reduces high molecular polymer consumption and its performance
It is constant, reduce cost.Many modifying agent can not fully react cladding in calcium carbonate surface under cryogenic, so that living
Rate is not high.Temperature is typically all to be less than 80 DEG C in the thorax of ring roll mill, thus many modifying agent can not in milling apparatus with carbon
Sour calcium ore grinds modification together.Calcium carbonate modified method in terms of coating, we find following patent：
1st, application number：201610100450.7, denomination of invention：A kind of dedicated modified powdered whiting of paint and its system
Preparation Method and device, although its product oil factor can be with as little as 17-20g oil/100g, in preparation process, its temperature of plate
For 95-100 DEG C, temperature is higher, consumes energy larger, and because desired temperature of plate is higher than 80 DEG C, it is impossible in milling apparatus
Modification is ground together with calcium carbonate mineral.
2nd, application number：201610914887.4, denomination of invention：A kind of self-dispersing polymer-modified by maleic acid anhydride graft
Calcium carbonate powder and preparation method thereof, its temperature of plate is 80-90 DEG C, is consumed energy larger, and the calcium carbonate that its method is obtained
Powder oil factor is 0.42ml/g, converts in units of g/100g, is 42g/100g, oil factor is higher.
3rd, application number：201610914825.3, denomination of invention：A kind of erosion-resisting modified calcium carbonate powder and its preparation side
Method, although it can be ground modification, the calcium carbonate powder oil factor that its method is obtained is 0.32ml/g, is converted with g/
100g is unit, is 32g/100g, and oil factor is higher.
The content of the invention
There is provided a kind of modification temperature be 50~80 DEG C present invention aim to address above-mentioned technical problem, modifying agent can be with
Carry out self-crosslinking at such a temperature and paint class dedicated modified calcium carbonate of the product oil factor less than 20g/100g and its preparation side
Method.
To realize above-mentioned purpose, the technical scheme is that：
A kind of preparation method for painting the dedicated modified calcium carbonate of class, comprises the following steps：
(1) preparation of modifying agent：By oleic acid, styrene and maleic anhydride by mass percentage (90~95)：(5~9)：(1
~5) be put into reactor, after stirring reaction, cooling adds the hydroquinones of product quality 0.03~0.1%, that is, changed
Property agent；
(2) modifying agent is added in oxide spinel calcium and be modified, the oxide spinel calcium is powdered whiting or calcium carbonate ore deposit
Stone, that is, obtain painting the dedicated modified calcium carbonate of class.
As further technical scheme, oleic acid described above, styrene, the quality percentage of maleic anhydride and hydroquinones
Than for 95：6：1, the hydroquinones addition is the 0.1% of product quality.
As further technical scheme, the temperature of stirring reaction described above is 45~60 DEG C, and the stirring reaction time is 3
~5h, chilling temperature is room temperature.
As further technical scheme, adding modifying agent described in step (2) is modified in calcium carbonate, is by granularity
Powdered whiting not less than 1250 mesh is added in mixed at high speed dispersion machine, under the conditions of 50~80 DEG C, and addition accounts for heavy carbonic acid
Calcareous amount is not higher than 1% modifying agent, is sufficiently mixed stirring crosslinking and coats 10~20 minutes, that is, obtains painting the dedicated modified carbon of class
Sour calcium.
As further technical scheme, between step (1) and step (2), the emulsifying step of modifying agent is also add,
Specifically by mass percentage 1:1, emulsifying agent is added into modifying agent；To be modified dose completely after emulsification, then carry out step (2),
Adding modifying agent described in step (2) is modified in calcium carbonate, is that the modifying agent after complete emulsification is added dropwise with constant flow pump
Calcium carbonate mineral surface, the addition of emulsification post-modification agent is the 0.6%~1.6% of calcium carbonate mineral quality, is re-fed into grinding
The calcium carbonate not less than 1250 mesh is ground to form in machine, that is, obtains painting the dedicated modified calcium carbonate of class.
As further technical scheme, emulsifying agent described above is made up of sodium cetanesulfonate and water, and described 16
Sodium alkyl sulfonate accounts for the 0.1~1% of the water quality.
The dedicated modified calcium carbonate of paint class that made as described above method is obtained, the activation rate of its modified calcium carbonate is 92.8
~99.5%, oil factor is 15.3~19.8g/100g, and contact angle is 131~150 °.
The present invention reaction principle be：Oleic acid, styrene and the maleic anhydride of the present invention all contains double bond, can be in low temperature
Lower carry out cross-linking reaction, while oleic acid, maleic anhydride can be modified with calcium carbonate surface chemisorbed to calcium carbonate surface.
Compared with prior art, beneficial effects of the present invention are：The inventive method uses oleic acid, styrene and maleic anhydride
Modifying agent is used for according to specifically matching somebody with somebody so that calcium carbonate can carry out crosslinking cladding under low temperature (50~80 DEG C), both reduce
Energy consumption, can be ground modification to powdered whiting and calcium carbonate mineral again, improve the utilization of raw material；Thus method is obtained
Product activation rate is 92.8~99.5%, and oil factor is 15.3~19.8g/100g, and contact angle is 131~150 °, and activation rate is high,
Oil factor is low and compatibility of with high molecular polymer is good.
Embodiment
With reference to embodiment, the present invention is described in further detail, but embodiments of the present invention are not limited to
The scope that embodiment is represented.
Embodiment 1：
A kind of preparation method for painting the dedicated modified calcium carbonate of class, comprises the following steps：
(1) preparation of modifying agent：By oleic acid, styrene and maleic anhydride by mass percentage 90：9：1 is put into reactor
In, after stirring reaction, cooling adds the hydroquinones of product quality 0.03%, that is, obtains modifying agent；The stirring reaction
Temperature is 60 DEG C, and the stirring reaction time is 3h, and chilling temperature is room temperature；
(2) 1000kg, granularity are added in mixed at high speed dispersion machine not less than the powdered whiting of 1250 mesh, in 50 DEG C of bars
Under part, the modifying agent of powdered whiting quality 0.3% is added, stirring crosslinking is sufficiently mixed and coats 10 minutes, that is, obtains painting class
Dedicated modified calcium carbonate.
Embodiment 2：
A kind of preparation method for painting the dedicated modified calcium carbonate of class, comprises the following steps：
(1) preparation of modifying agent：By oleic acid, styrene and maleic anhydride by mass percentage 90：5：5 are put into reactor
In, after stirring reaction, cooling adds the hydroquinones of product quality 0.1%, that is, obtains modifying agent；The stirring reaction
Temperature is 55 DEG C, and the stirring reaction time is 4h, and chilling temperature is room temperature；
(2) 1000kg, granularity are added in mixed at high speed dispersion machine not less than the powdered whiting of 1250 mesh, in 70 DEG C of bars
Under part, the modifying agent of powdered whiting quality 0.6% is added, stirring crosslinking is sufficiently mixed and coats 15 minutes, that is, obtains painting class
Dedicated modified calcium carbonate.
Embodiment 3：
A kind of preparation method for painting the dedicated modified calcium carbonate of class, comprises the following steps：
(1) preparation of modifying agent：By oleic acid, styrene and maleic anhydride by mass percentage 95：6：1 is put into reactor
In, after stirring reaction, cooling adds the hydroquinones of product quality 0.1%, that is, obtains modifying agent；The stirring reaction
Temperature is 45 DEG C, and the stirring reaction time is 3h, and chilling temperature is room temperature；
(2) 1000kg, granularity are added in mixed at high speed dispersion machine not less than the powdered whiting of 1250 mesh, in 80 DEG C of bars
Under part, the modifying agent of powdered whiting quality 0.8% is added, stirring crosslinking is sufficiently mixed and coats 20 minutes, that is, obtains painting class
Dedicated modified calcium carbonate.
Embodiment 4：
A kind of preparation method for painting the dedicated modified calcium carbonate of class, comprises the following steps：
(1) preparation of modifying agent：By oleic acid, styrene and maleic anhydride by mass percentage 95：6：1 is put into reactor
In, after stirring reaction, cooling adds the hydroquinones of product quality 0.1%, that is, obtains modifying agent；The stirring reaction
Temperature is 60 DEG C, and the stirring reaction time is 5h, and chilling temperature is room temperature；
(2) emulsification of modifying agent：By mass percentage 1:1, emulsifying agent is added into modifying agent, the emulsifying agent is by 16
Sodium alkyl sulfonate and water composition, the sodium cetanesulfonate account for the 0.1% of the water quality；
(3) it is that the modifying agent after complete emulsification is added dropwise on calcium carbonate mineral surface with constant flow pump, emulsification post-modification agent
Addition is the 0.6% of calcium carbonate mineral quality, is re-fed into the calcium carbonate ground to form in grinder not less than 1250 mesh, that is, obtains
Paint the dedicated modified calcium carbonate of class.
Embodiment 5：
A kind of preparation method for painting the dedicated modified calcium carbonate of class, comprises the following steps：
(1) preparation of modifying agent：By oleic acid, styrene and maleic anhydride by mass percentage 95：6：1 is put into reactor
In, after stirring reaction, cooling adds the hydroquinones of product quality 0.1%, that is, obtains modifying agent；The stirring reaction
Temperature is 60 DEG C, and the stirring reaction time is 5h, and chilling temperature is room temperature；
(2) emulsification of modifying agent：By mass percentage 1:1, emulsifying agent is added into modifying agent, the emulsifying agent is by 16
Sodium alkyl sulfonate and water composition, the sodium cetanesulfonate account for the 0.5% of the water quality；
(3) it is that the modifying agent after complete emulsification is added dropwise on calcium carbonate mineral surface with constant flow pump, emulsification post-modification agent
Addition is the 1.2% of calcium carbonate mineral quality, is re-fed into the calcium carbonate ground to form in grinder not less than 1250 mesh, that is, obtains
Paint the dedicated modified calcium carbonate of class..
Embodiment 6：
A kind of preparation method for painting the dedicated modified calcium carbonate of class, comprises the following steps：
(1) preparation of modifying agent：By oleic acid, styrene and maleic anhydride by mass percentage 95：6：1 is put into reactor
In, after stirring reaction, cooling adds the hydroquinones of product quality 0.1%, that is, obtains modifying agent；The stirring reaction
Temperature is 60 DEG C, and the stirring reaction time is 5h, and chilling temperature is room temperature；
(2) emulsification of modifying agent：By mass percentage 1:1, emulsifying agent is added into modifying agent, the emulsifying agent is by 16
Sodium alkyl sulfonate and water composition, the sodium cetanesulfonate account for the 1% of the water quality；
(3) it is that the modifying agent after complete emulsification is added dropwise on calcium carbonate mineral surface with constant flow pump, emulsification post-modification agent
Addition is the 1.6% of calcium carbonate mineral quality, is re-fed into the calcium carbonate ground to form in grinder not less than 1250 mesh, that is, obtains
Paint the dedicated modified calcium carbonate of class.
The dedicated modified calcium carbonate product index of paint class prepared by embodiment 1-6 is as shown in table 1：
Table 1
Table 1 illustrates that product activation rate produced by the present invention is high, and oil factor is low and compatibility of with high molecular polymer is good.
Above-described embodiment, is only to the specific of the purpose of the present invention, technical scheme and beneficial effect further description
Individual example, the present invention is not limited to this.All any modification, equivalent substitution and improvements done within the scope of disclosed by the invention
Deng being all contained within protection scope of the present invention.
Claims (7)
1. a kind of preparation method for painting the dedicated modified calcium carbonate of class, it is characterised in that comprise the following steps：
（1）The preparation of modifying agent：By oleic acid, styrene and maleic anhydride by mass percentage（90~95）：（5~9）：（1~5）
It is put into reactor, after stirring reaction, cooling adds the hydroquinones of product quality 0.03~0.1%, that is, obtains modifying agent；
（2）Modifying agent is added modified in oxide spinel calcium, the oxide spinel calcium is powdered whiting or calcium carbonate mineral, i.e.,
Obtain painting the dedicated modified calcium carbonate of class.
2. a kind of preparation method for painting the dedicated modified calcium carbonate of class according to claim 1, it is characterised in that：The oil
Acid, styrene, the mass percent of maleic anhydride and hydroquinones are 95：6：1, the hydroquinones addition is product quality
0.1%.
3. a kind of preparation method for painting the dedicated modified calcium carbonate of class according to claim 1, it is characterised in that：It is described to stir
The temperature for mixing reaction is 45~60 DEG C, and the stirring reaction time is 3~5h, and chilling temperature is room temperature.
4. a kind of preparation method for painting the dedicated modified calcium carbonate of class according to claim 1, it is characterised in that：Step
（2）Described in modifying agent is added modified in calcium carbonate, be that the powdered whiting by granularity not less than 1250 mesh is added at a high speed
Mix in dispersion machine, under the conditions of 50~80 DEG C, it is of low quality in 1% modifying agent that addition accounts for powdered whiting, is sufficiently mixed and stirs
Mix crosslinking cladding 10~20 minutes, that is, obtain painting the dedicated modified calcium carbonate of class.
5. a kind of preparation method for painting the dedicated modified calcium carbonate of class according to claim 1, it is characterised in that：In step
（1）And step（2）Between, the emulsifying step of modifying agent is also add, is specifically by mass percentage 1:1, add into modifying agent
Plus emulsifying agent；After to be modified dose emulsifies completely, then carry out step（2）, step（2）Described in by modifying agent add calcium carbonate in
It is modified, it is that the modifying agent after complete emulsification is added dropwise to the addition that post-modification agent is emulsified on calcium carbonate mineral surface with constant flow pump
For the 0.6%~1.6% of calcium carbonate mineral quality, the calcium carbonate ground to form in grinder not less than 1250 mesh is re-fed into, that is, is obtained
Paint the dedicated modified calcium carbonate of class.
6. a kind of preparation method for painting the dedicated modified calcium carbonate of class according to claim 5, it is characterised in that：The breast
Agent is made up of sodium cetanesulfonate and water, and the sodium cetanesulfonate accounts for the 0.1~1% of the water quality.
7. the dedicated modified calcium carbonate of paint class that the preparation method as any one of claim 1~6 is obtained, its feature exists
In：The activation rate of its modified calcium carbonate be 92.8 ~ 99.5%, oil factor be 15.3~19.8g/100g, contact angle be 131~
150°。
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| CN201710312635.9A CN106967310B (en) | 2017-05-05 | 2017-05-05 | Dedicated modified calcium carbonate of a kind of paint class and preparation method thereof |
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Cited By (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN109135342A (en) * | 2018-09-28 | 2019-01-04 | 贺州钟山县双文碳酸钙新材料有限公司 | Paint-emulsion paint modified calcium carbonate |
| CN109627805A (en) * | 2019-01-15 | 2019-04-16 | 广西大学 | The preparation method and applications of modified nano calcium carbonate |
| CN109762632A (en) * | 2019-01-15 | 2019-05-17 | 广西碳酸钙产业化工程院有限公司 | Calcium carbonate high-performance complex calcium sulfonate grease and preparation method thereof |
| CN113372618A (en) * | 2021-07-31 | 2021-09-10 | 广东联塑科技实业有限公司 | Modified calcium carbonate and preparation method thereof, PVC pipe material containing modified calcium carbonate and PVC pipe |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN109135342A (en) * | 2018-09-28 | 2019-01-04 | 贺州钟山县双文碳酸钙新材料有限公司 | Paint-emulsion paint modified calcium carbonate |
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| CN109762632A (en) * | 2019-01-15 | 2019-05-17 | 广西碳酸钙产业化工程院有限公司 | Calcium carbonate high-performance complex calcium sulfonate grease and preparation method thereof |
| CN109762632B (en) * | 2019-01-15 | 2021-12-10 | 广西碳酸钙产业化工程院有限公司 | High-performance composite calcium sulfonate-based lubricating grease containing calcium carbonate and preparation method thereof |
| CN113372618A (en) * | 2021-07-31 | 2021-09-10 | 广东联塑科技实业有限公司 | Modified calcium carbonate and preparation method thereof, PVC pipe material containing modified calcium carbonate and PVC pipe |
| CN113372618B (en) * | 2021-07-31 | 2022-04-01 | 广东联塑科技实业有限公司 | Modified calcium carbonate and preparation method thereof, PVC pipe material containing modified calcium carbonate and PVC pipe |
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| CN106967310B (en) | 2019-02-01 |
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