CN109535772A - A kind of low-viscosity active calcium carbonate and its method of modifying - Google Patents

A kind of low-viscosity active calcium carbonate and its method of modifying Download PDF

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Publication number
CN109535772A
CN109535772A CN201811605894.1A CN201811605894A CN109535772A CN 109535772 A CN109535772 A CN 109535772A CN 201811605894 A CN201811605894 A CN 201811605894A CN 109535772 A CN109535772 A CN 109535772A
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parts
calcium carbonate
low
active calcium
viscosity active
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CN201811605894.1A
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李绿叶
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Individual
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    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/02—Ingredients treated with inorganic substances
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/04—Ingredients treated with organic substances
    • C—CHEMISTRY; METALLURGY
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K9/00—Use of pretreated ingredients
    • C08K9/08—Ingredients agglomerated by treatment with a binding agent
    • 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
    • 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
    • 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
    • C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08K—Use of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00—Use of inorganic substances as compounding ingredients
    • C08K3/18—Oxygen-containing compounds, e.g. metal carbonyls
    • C08K3/24—Acids; Salts thereof
    • C08K3/26—Carbonates; Bicarbonates
    • C08K2003/265—Calcium, strontium or barium carbonate

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  • Chemical & Material Sciences (AREA)
  • Organic Chemistry (AREA)
  • Health & Medical Sciences (AREA)
  • Chemical Kinetics & Catalysis (AREA)
  • Medicinal Chemistry (AREA)
  • Polymers & Plastics (AREA)
  • Compositions Of Macromolecular Compounds (AREA)

Abstract

The invention discloses a kind of low-viscosity active calcium carbonate and its method of modifying, the low-viscosity active calcium carbonate includes, each raw material component is 100 parts of precipitated calcium carbonate powder, 0.1-0.2 parts of fatty alcohol polyoxyethylene ether, 0.5-1.0 parts of titanate coupling agent, 0.3-0.5 parts of hard fatty acids, 1.0-1.5 parts of metaphosphoric acid by weight.Calcium carbonate viscosity of the present invention is low, acid resistance is good, the compatibility in plastics, rubber and dispersion performance are good, and can significantly improve the tensile strength of plastics.

Description

A kind of low-viscosity active calcium carbonate and its method of modifying
Technical field
The present invention relates to calcium carbonate and preparation method thereof, and in particular to a kind of low-viscosity active calcium carbonate and its modification side Method.
Background technique
Nanometer calcium carbonate is a kind of very high dedicated functionality inorganic material of added value, has low cost, high-performance, nontoxic The features such as tasteless, is widely used in rubber, plastics, coating, ink, papermaking, medicine as a kind of high quality filler and white pigment Etc. various fields.Since calcium carbonate surface has many hydroxyls, it is easy adsorption moisture, not surface treated calcium carbonate surface parent Water oleophobic cannot be chemically crosslinked in highly polar with macromolecule organics such as plastics, rubber, be difficult in organic media equal Even dispersion, interface are difficult to form good bonding.In addition, calcium carbonate superfine powder partial size is small, there is great specific surface area and higher Specific surface energy, particle coagulation easily occurs in preparation and last handling process, reunites, forms time particle, becomes grain diameter Greatly, lose the function that superfine material has in application process, thus influence actually should effect, functional stuffing cannot be played Effect.
Summary of the invention
The purpose of the present invention is to provide a kind of low-viscosity active calcium carbonate and its method of modifying.
In order to solve the above-mentioned technical problem, the technical solution of the present invention is as follows:
A kind of low-viscosity active calcium carbonate, including, each raw material component is 100 parts of precipitated calcium carbonate powder, rouge by weight 0.1-0.2 parts of fat alcohol polyoxyethylene ether, 0.5-1.0 parts of titanate coupling agent, 0.3-0.5 parts of hard fatty acids, metaphosphoric acid 1.0-1.5 Part.
Preferably, the fat alcohol polyethylene ether hydrophilic-hydrophobic balance value is 15.
Preferably, the titanate coupling agent is four isooctadecane acyl titanate esters.
Preferably, the hard fatty acids are at least one of oleic acid, palmitinic acid, linolenic acid.
The method of modifying of above-mentioned low-viscosity active calcium carbonate, includes the following steps:
Step 1: 100 parts of precipitated calcium carbonates, 1.0-1.5 parts of metaphosphoric acids are heated up in high-speed mixer or mixing machine together To 90-100 DEG C after stirring 3-5 minutes, 0.3-0.5 parts of hard fatty acids, 0.5-1.0 parts of titanate coupling agent high-speed stirreds are added 10-15 minutes；
Step 2: 0.1-0.2 parts of fatty alcohol polyoxyethylene ether is added, it is cooling after being warming up to 150 DEG C of stirrings 10-15 minutes It discharges up to product.
Compared with prior art, the invention has the benefit that the surfactant that the present invention passes through selection multiple functions Mixing is greatly lowered the surface energy and interfacial tension of particle, is effectively prevented the autohemagglutination of miniaturization particle, increases it and moulding Material, compatibility and dispersibility in rubber, modified calcium carbonate acid resistance of the present invention is good, can significantly improve plastics Tensile strength.
Specific embodiment
Technical solution of the present invention is clearly and completely described below in conjunction with specific embodiment, it is clear that described Embodiment be only a part of the embodiment of the present invention, instead of all the embodiments.Based on the embodiment of the present invention, this field Those of ordinary skill's every other embodiment obtained, belongs to protection scope of the present invention.
Embodiment 1
A kind of low-viscosity active calcium carbonate, including, each raw material component is 100 parts of precipitated calcium carbonate powder, rouge by weight 0.1 part of fat alcohol polyoxyethylene ether (hydrophilic-hydrophobic balance value be 15), four 0.5 part of isooctadecane acyl titanate esters, 0.3 part of linolenic acid, 1.0 parts of metaphosphoric acid.
The method of modifying of above-mentioned low-viscosity active calcium carbonate, includes the following steps:
Step 1: 100 parts of precipitated calcium carbonates, 1.0 parts of metaphosphoric acids are warming up in high-speed mixer or mixing machine together 90-100 DEG C after stirring 3-5 minutes, it is added 0.5 part of four isooctadecane acyl titanate esters, 0.3 part linolenic acid high-speed stirred 10-15 points Clock；
Step 2: 0.1 part of fatty alcohol polyoxyethylene ether, after being warming up to 150 DEG C of stirrings 10-15 minutes, cooling discharging is added Up to product.
Embodiment 2
A kind of low-viscosity active calcium carbonate, including, each raw material component is 100 parts of precipitated calcium carbonate powder, rouge by weight 0.2 part of fat alcohol polyoxyethylene ether (hydrophilic-hydrophobic balance value be 15), four 1.0 parts of isooctadecane acyl titanate esters, 0.5 part of linolenic acid, 1.5 parts of metaphosphoric acid.
The method of modifying of above-mentioned low-viscosity active calcium carbonate, includes the following steps:
Step 1: 100 parts of precipitated calcium carbonates, 1.5 parts of metaphosphoric acids are warming up in high-speed mixer or mixing machine together 90-100 DEG C after stirring 3-5 minutes, it is added 1.0 part of four isooctadecane acyl titanate esters, 0.5 part linolenic acid high-speed stirred 10-15 points Clock；
Step 2: 0.2 part of fatty alcohol polyoxyethylene ether, after being warming up to 150 DEG C of stirrings 10-15 minutes, cooling discharging is added Up to product.
Embodiment 3
A kind of low-viscosity active calcium carbonate, including, each raw material component is 100 parts of precipitated calcium carbonate powder, rouge by weight 0.2 part of fat alcohol polyoxyethylene ether (hydrophilic-hydrophobic balance value be 15), four 1.0 parts of isooctadecane acyl titanate esters, 0.3 part of oleic acid, partially .0 parts of phosphatase 11.
The method of modifying of above-mentioned low-viscosity active calcium carbonate, includes the following steps:
Step 1: 100 parts of precipitated calcium carbonates, 1.0 parts of metaphosphoric acids are warming up in high-speed mixer or mixing machine together 90-100 DEG C after stirring 3-5 minutes, be added 1.0 part of four isooctadecane acyl titanate esters, 0.3 part oleic acid high-speed stirred 10-15 minutes；
Step 2: 0.2 part of fatty alcohol polyoxyethylene ether, after being warming up to 150 DEG C of stirrings 10-15 minutes, cooling discharging is added Up to product.
Embodiment 4
A kind of low-viscosity active calcium carbonate, including, each raw material component is 100 parts of precipitated calcium carbonate powder, rouge by weight 0.2 part of fat alcohol polyoxyethylene ether (hydrophilic-hydrophobic balance value be 15), four 0.5 part of isooctadecane acyl titanate esters, 0.3 part of palmitinic acid, 1.0 parts of metaphosphoric acid.
The method of modifying of above-mentioned low-viscosity active calcium carbonate, includes the following steps:
Step 1: 100 parts of precipitated calcium carbonates, 1.0 parts of metaphosphoric acids are warming up in high-speed mixer or mixing machine together 90-100 DEG C after stirring 3-5 minutes, it is added 0.5 part of four isooctadecane acyl titanate esters, 0.3 part palmitinic acid high-speed stirred 10-15 points Clock；
Step 2: 0.2 part of fatty alcohol polyoxyethylene ether, after being warming up to 150 DEG C of stirrings 10-15 minutes, cooling discharging is added Up to product.
Embodiment 5
The modified calcium carbonate that ordinary calcium carbonate and embodiment 1 to 4 are prepared is placed at room temperature for after 8 hours in PLE331 Type torque rheometer carries out rheological experiment.Formula: 100 parts of PVC, 5 parts of compound stabilizer, 6 parts of KM355P, ordinary calcium carbonate or Each 15 parts of modified calcium carbonate, test result is as follows:
Experimental result is shown, modified calcium carbonate is added compared with ordinary calcium carbonate, and torque reduces, and fusion time obviously contracts Short, melting temperature decline, plasticizing rate becomes faster, illustrates that modified calcium carbonate is good with PVC plastic Miscibility, be conducive to process, Extruded velocity can be improved, make the smooth exquisiteness of products appearance.
Embodiment 6
The modified calcium carbonate that ordinary calcium carbonate and embodiment 1 to 4 obtain is filled PVC Mechanics Performance Testing.Formula: 100 parts of PVC, 5 parts of compound stabilizer, 5 parts of DOP, ordinary calcium carbonate or 20 parts of modified calcium carbonate.Mixture is in double roller plastic-making device It plasticates, stiff sheet is sufficiently plasticized 8 minutes at 190 DEG C, and the thin slice of 0.5 millimeters thick is made, and is cut after placing 24 hours at room temperature It is tested on universal testing machine at sample, test result is as follows:
Experimental result is shown, in the case where same additive amount, no matter PVC is hard, flexible article, using modified calcium carbonate, The mechanical property of test piece is all substantially better than ordinary calcium carbonate, and material is easily plasticized, not roll banding, and surface brightness is high, processing performance It is excellent.
The foregoing is merely illustrative of the preferred embodiments of the present invention, is not intended to limit the invention, all in essence of the invention Within mind and principle, all any modification, equivalent substitution, improvement and etc. be should all be included in the protection scope of the present invention.

Claims (5)

1. a kind of low-viscosity active calcium carbonate, which is characterized in that including each raw material component is precipitated calcium carbonate by weight 100 parts of powder, 0.1-0.2 parts of fatty alcohol polyoxyethylene ether, 0.5-1.0 parts of titanate coupling agent, 0.3-0.5 parts of hard fatty acids, partially .0-1.5 parts of phosphatase 11.
2. low-viscosity active calcium carbonate as described in claim 1, which is characterized in that the fat alcohol polyethylene ether hydrophilic-hydrophobic Equilibrium valve is 15.
3. low-viscosity active calcium carbonate as described in claim 1, which is characterized in that the titanate coupling agent is four different 18 Alkane acyl titanate esters.
4. low-viscosity active calcium carbonate as described in claim 1, which is characterized in that the hard fatty acids be oleic acid, palmitinic acid, At least one of linolenic acid.
5. the method for modifying of any one of Claims 1-4 low-viscosity active calcium carbonate, includes the following steps:
Step 1: 100 parts of precipitated calcium carbonates, 1.0-1.5 parts of metaphosphoric acids are warming up in high-speed mixer or mixing machine together 90-100 DEG C after stirring 3-5 minutes, is added 0.3-0.5 parts of hard fatty acids, 0.5-1.0 parts of titanate coupling agent high-speed stirred 10- 15 minutes；
Step 2: 0.1-0.2 parts of fatty alcohol polyoxyethylene ether, after being warming up to 150 DEG C of stirrings 10-15 minutes, cooling discharging is added Up to product.
CN201811605894.1A 2018-12-27 2018-12-27 A kind of low-viscosity active calcium carbonate and its method of modifying Pending CN109535772A (en)

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Application Number Priority Date Filing Date Title
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CN109535772A true CN109535772A (en) 2019-03-29

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Application publication date: 20190329