CN107082956A - A kind of talcum powder master batch - Google Patents

A kind of talcum powder master batch Download PDF

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Publication number
CN107082956A
CN107082956A CN201710378489.XA CN201710378489A CN107082956A CN 107082956 A CN107082956 A CN 107082956A CN 201710378489 A CN201710378489 A CN 201710378489A CN 107082956 A CN107082956 A CN 107082956A
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CN
China
Prior art keywords
talcum powder
polypropylene
master batch
added
calcium stearate
Prior art date
Legal status (The legal status is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the status listed.)
Pending
Application number
CN201710378489.XA
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Chinese (zh)
Inventor
王银木
Current Assignee (The listed assignees may be inaccurate. Google has not performed a legal analysis and makes no representation or warranty as to the accuracy of the list.)
Excellent Mineral New Material Technology (suzhou) Co Ltd
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Excellent Mineral New Material Technology (suzhou) Co Ltd
Priority date (The priority date is an assumption and is not a legal conclusion. Google has not performed a legal analysis and makes no representation as to the accuracy of the date listed.)
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Publication date
Application filed by Excellent Mineral New Material Technology (suzhou) Co Ltd filed Critical Excellent Mineral New Material Technology (suzhou) Co Ltd
Priority to CN201710378489.XA priority Critical patent/CN107082956A/en
Publication of CN107082956A publication Critical patent/CN107082956A/en
Pending legal-status Critical Current

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    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L23/00Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
    • C08L23/02Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers not modified by chemical after-treatment
    • C08L23/10Homopolymers or copolymers of propene
    • C08L23/12Polypropene
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K3/00Use of inorganic substances as compounding ingredients
    • C08K3/34Silicon-containing compounds
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08KUse of inorganic or non-macromolecular organic substances as compounding ingredients
    • C08K5/00Use of organic ingredients
    • C08K5/04Oxygen-containing compounds
    • C08K5/09Carboxylic acids; Metal salts thereof; Anhydrides thereof
    • C08K5/098Metal salts of carboxylic acids
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2201/00Properties
    • C08L2201/08Stabilised against heat, light or radiation or oxydation
    • CCHEMISTRY; METALLURGY
    • C08ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
    • C08LCOMPOSITIONS OF MACROMOLECULAR COMPOUNDS
    • C08L2205/00Polymer mixtures characterised by other features
    • C08L2205/24Crystallisation aids

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

Abstract

The invention discloses a kind of talcum powder master batch, by weight percentage, including following component:Polypropylene 19.6~20.4%, calcium stearate 0.1~0.9% and talcum powder 79.1~79.9%;During preparation, talcum powder is first put into, polypropylene is added, polyethylene and calcium stearate is then added, mixture banburying is heated up to 180 DEG C, heats 12 minutes, is kneaded subsequently into double screw extruder, extrudes, cool down and pelletizing after mixing.By the above-mentioned means, in terms of the present invention is suitable for modifying plastics, form, higher compound quantity due to its compacting make the good dispersion of plastics, wear-resisting, scratch-resistant, easy feeding, heat endurance is good.

Description

A kind of talcum powder master batch
Technical field
The present invention relates to plastic material field, refer in particular to one kind and be well suited in terms of being used for modifying plastics, due to the shape of its compacting State, higher compound quantity, make the good dispersion of plastics, wear-resisting, scratch-resistant, easy feeding, the good talcum powder master batch of heat endurance.
Background technology
Talcum powder master batch are a kind of plastics modified fillers, refer to main component for talcum powder, by with polymer or other carry Pellet formed by body mixing granulation, is mainly used in the improvement of the performances such as rubber plastic resin, can significantly improve filling material The performances such as rigidity, high temperature and creep resistance, the heat resistance of material;But existing talcum powder master batch can not effectively improve the scattered of plastics Property;And heat endurance is also bad.
The content of the invention
The present invention solves the technical problem of providing one kind to be well suited in terms of being used for modifying plastics, due to its compacting Form, higher compound quantity, make the good dispersion of plastics, wear-resisting, scratch-resistant, easy feeding, the good talcum powder master batch of heat endurance.
To reach above-mentioned purpose, the technical solution adopted by the present invention is:A kind of talcum powder master batch, by weight percentage, Including following component:Polypropylene 19.6~20.4%, calcium stearate 0.1~0.9% and talcum powder 79.1~79.9%;Prepare When, talcum powder is first put into, polypropylene is added, polyethylene and calcium stearate is then added, mixture banburying is heated up to 180 DEG C, heat 12 minutes, kneaded subsequently into double screw extruder, extrude, cool down and pelletizing after mixing.
It is preferred that, the polypropylene selects polypropylene S2040;The polypropylene S2040 boiling water boilings, it is high without damaging Soften when warm and rigid inadequate, during low temperature, crack and embrittlement occurs in ductility.
It is preferred that, the talcum powder uses density for 2.8g/cm3;The HYT-04C model talcums of hardness Moh's scale number 1 Powder.
It is preferred that, the talcum powder includes:Silica 61.9%, magnesia 31.5%, calcium oxide 0.2%, three are aoxidized The HYT-04C model talcum powder that two iron 0.20%, alundum (Al2O3) 0.2%, the loss on ignition 6% at 1050 DEG C are constituted.
Due to the utilization of above-mentioned technical proposal, the present invention has following advantages compared with prior art:
Talcum powder master batch of the present invention, due to the talcum powder of use its ultra-thin degree, ultrafine and uniform particle diameter point Cloth, is well suited in terms of being used for modifying plastics, form, higher compound quantity due to its compacting, it is possible to increase the dispersiveness of plastics, Wear-resisting, scratch-resistant, easy feeding, heat endurance is good.
Embodiment
With reference to specific embodiment, the present invention is described in further detail.
A kind of talcum powder master batch, by weight percentage, including following component:Polypropylene 19.6~20.4%, stearic acid Calcium 0.1~0.9% and talcum powder 79.1~79.9%;During preparation, talcum powder is first put into, polypropylene is added, then adds Polyethylene and calcium stearate, mixture banburying are heated up to 180 DEG C, heat 12 minutes, are kneaded subsequently into double screw extruder, mix Extrude, cool down and pelletizing after refining.
The polypropylene selects polypropylene S2040;The polypropylene S2040 boiling water boilings, without damaging, soften during high temperature And rigid inadequate, during low temperature, there is crack and embrittlement in ductility;At normal temperatures, than PE, ABS, PS is good, and especially temperature surpasses When crossing 80 DEG C, it is numerous that its mechanical performance is unlikely to decline;During low temperature, very poor, the embrittlement that mechanical performance becomes;Film article:It is poly- Polypropylene film product is transparent and glossy, and the permeability to water vapour and air is small, PP acid and alkali-resistances, resistance to numerous organic solvents, electricity Insulating properties are good.Unique place maximum PP is that it has the gratifying resistance to tired property of flexing;It is active that polypropylene is produced Hinge, can bear the folding flexing of hundreds of thousands time without damaging, blowing various small-scale vessel of hollow molding product etc.;PP's Vertical and horizontal tensile strength difference is especially big, because this, has fine fibre forming property, is mutually fit to do fiber and rope;PP appearance Hardness is unlike PS, ABS;But it is higher than PE and have good appearance gloss;Because this, it can do the production such as household appliances shell Product.
It is preferred that, the talcum powder uses density for 2.8g/cm3;The HYT-04C model talcums of hardness Moh's scale number 1 Powder;The talcum powder includes:Silica 61.9%, magnesia 31.5%, calcium oxide 0.2%, di-iron trioxide 0.20%, The HYT-04C model talcum powder that alundum (Al2O3) 0.2%, the loss on ignition 6% at 1050 DEG C are constituted;The HYT-04C models Talcum powder measures median particle diameter D50 by sedigraph particle diameter distribution:0.75(1.0)*μm、 D95:2.5 μm, pass through laser particle size Analyzer particle diameter distribution measures median particle diameter D50:3.5 (5)*μm、D95:7.0 μm, compacted volume density:0.55g/cm3, pine Dissipate bulk density:0.11 g/cm3, the water content at 105 DEG C:0.2%;The HYT-04C is that high-purity whitens stone Powder, due to its ultra-thin degree, ultrafine and uniform particle diameter distribution, whiteness is high, and good dispersion is wear-resisting, scratch-resistant, easy feeding, energy The addition of remaining auxiliary agent is reduced, heat endurance is good, the reinforcing agent in terms of being well suited for for modifying plastics, due to the shape of its compacting State, higher compound quantity, can as hemicrystalline high molecular polymer nucleator.
The talcum powder master batch are kneaded by double screw extruder, and the temperature of every section of twin-screw is respectively:T1=170 DEG C, T2 =175 DEG C, T3=175 DEG C, T4=175 DEG C, T5=175 DEG C, T6=180 DEG C, T7=180 DEG C, T8=180 DEG C, THead=180 DEG C, the tolerance of the temperature of every section of twin-screw is ± 5;Mixing of the reactant in double screw extruder, extrudes, cools down, cuts Grain obtains talcum powder master batch.
Talcum powder master batch of the present invention, due to the talcum powder of use its ultra-thin degree, ultrafine and uniform particle diameter point Cloth, is well suited in terms of being used for modifying plastics, form, higher compound quantity due to its compacting, it is possible to increase the dispersiveness of plastics, Wear-resisting, scratch-resistant, easy feeding, heat endurance is good.
It the above is only the concrete application example of the present invention, protection scope of the present invention be not limited in any way.It is all to use Technical scheme formed by equivalent transformation or equivalent replacement, all falls within rights protection scope of the present invention.

Claims (4)

1. a kind of talcum powder master batch, it is characterised in that:By weight percentage, including following component:Polypropylene 19.6~ 20.4%th, calcium stearate 0.1~0.9% and talcum powder 79.1~79.9%;During preparation, talcum powder is first put into, polypropylene is added, Then polyethylene and calcium stearate are added, mixture banburying is heated up to 180 DEG C, heats 12 minutes, is squeezed subsequently into twin-screw Go out machine mixing, extrude, cool down and pelletizing after mixing.
2. talcum powder master batch according to claim 1, it is characterised in that:The polypropylene selects polypropylene S2040;It is described Polypropylene S2040 boiling water boilings, soften and rigid inadequate, during low temperature, crack and hair occurs in ductility without damaging, during high temperature It is crisp.
3. talcum powder master batch according to claim 1, it is characterised in that:The talcum powder uses density for 2.8 g/cm3; The HYT-04C model talcum powder of hardness Moh's scale number 1.
4. talcum powder master batch according to claim 1, it is characterised in that:The talcum powder includes:Silica 61.9%, Magnesia 31.5%, calcium oxide 0.2%, di-iron trioxide 0.20%, alundum (Al2O3) 0.2%, 6% group of the loss on ignition at 1050 °C Into HYT-04C model talcum powder.
CN201710378489.XA 2017-05-25 2017-05-25 A kind of talcum powder master batch Pending CN107082956A (en)

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CN201710378489.XA CN107082956A (en) 2017-05-25 2017-05-25 A kind of talcum powder master batch

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CN107082956A true CN107082956A (en) 2017-08-22

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Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107641321A (en) * 2017-09-20 2018-01-30 优矿塑新材料科技(苏州)有限公司 A kind of PA66 carriers master batch
CN107686610A (en) * 2017-09-20 2018-02-13 优矿塑新材料科技(苏州)有限公司 A kind of AS carriers master batch
CN110845804A (en) * 2019-11-22 2020-02-28 怀化东庆科技有限公司 Polyisobutylene talcum powder master batch and preparation method thereof

Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102604206A (en) * 2012-02-06 2012-07-25 金发科技股份有限公司 Superfine talcum powder-polypropylene filled master batch, preparation method and equipment thereof

Patent Citations (1)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN102604206A (en) * 2012-02-06 2012-07-25 金发科技股份有限公司 Superfine talcum powder-polypropylene filled master batch, preparation method and equipment thereof

Cited By (3)

* Cited by examiner, † Cited by third party
Publication number Priority date Publication date Assignee Title
CN107641321A (en) * 2017-09-20 2018-01-30 优矿塑新材料科技(苏州)有限公司 A kind of PA66 carriers master batch
CN107686610A (en) * 2017-09-20 2018-02-13 优矿塑新材料科技(苏州)有限公司 A kind of AS carriers master batch
CN110845804A (en) * 2019-11-22 2020-02-28 怀化东庆科技有限公司 Polyisobutylene talcum powder master batch and preparation method thereof

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Application publication date: 20170822