CN104109289A - High-filling injection molding material composition and preparation method thereof - Google Patents
High-filling injection molding material composition and preparation method thereof Download PDFInfo
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- CN104109289A CN104109289A CN201410380165.6A CN201410380165A CN104109289A CN 104109289 A CN104109289 A CN 104109289A CN 201410380165 A CN201410380165 A CN 201410380165A CN 104109289 A CN104109289 A CN 104109289A
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/12—Polypropene
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L23/00—Compositions of homopolymers or copolymers of unsaturated aliphatic hydrocarbons having only one carbon-to-carbon double bond; Compositions of derivatives of such polymers
- C08L23/02—Compositions 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
- C08L23/10—Homopolymers or copolymers of propene
- C08L23/14—Copolymers of propene
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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
- C08K2201/00—Specific properties of additives
- C08K2201/002—Physical properties
- C08K2201/003—Additives being defined by their diameter
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/03—Polymer mixtures characterised by other features containing three or more polymers in a blend
- C08L2205/035—Polymer mixtures characterised by other features containing three or more polymers in a blend containing four or more polymers in a blend
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2205/00—Polymer mixtures characterised by other features
- C08L2205/24—Crystallisation aids
- C08L2205/242—Beta spherulite nucleating agents
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/04—Thermoplastic elastomer
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/062—HDPE
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- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2207/00—Properties characterising the ingredient of the composition
- C08L2207/06—Properties of polyethylene
- C08L2207/066—LDPE (radical process)
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- Polymers & Plastics (AREA)
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- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention discloses a high-filling injection molding material composition and a preparation method thereof. The high-filling injection molding material composition is prepared from the following raw materials in parts by weight: 50-80 parts of polypropylene, 1-15 parts of polyethylene, 1-25 vinyl copolymer rubber, 10-20 parts of polystyrene, 80-150 parts of ultrafine inorganic filler, 5-30 parts of glass hollow microsphere, 0.01-1 part of polypropylene nucleating agent, 5-20 parts of polar polypropylene and 0.5-5 parts of antioxidant. The product has favorable mechanical properties, and the impact resistance can reach 8 KJ/m<2> above, thereby satisfying the requirements for automobile materials. The product implements high strength, high modulus and high heat resistance of the glass fiber reinforced polypropylene, high low-temperature impact strength and favorable surface of the injection molding part, has wider adjustable range of melt index, and is suitable for the injection molding component with any size. The composition can be directly used for injection molding, and can also be used as a filler for injection molding of PS (polystyrene), ABS (polystyrene) and other plastic products.
Description
Technical field
The present invention relates to injectable plastic material art, refer in particular to a kind of high filling injectable plastic material composition and method of making the same.
Background technology
The polymer materialss such as polypropylene (PP), polystyrene (PS), ABS are widely used thermoplastic resins, but because this type of material molecule polarity is little, cause with blend and the bonding force of other polymers (as rubber, plastics) and mineral filler very poor, especially mineral filler, cause the adding proportion of mineral filler lower, limited applying of this type of material itself.Therefore the polypropylene composite material of, developing a kind of performance brilliance is the research direction of educational circles and industry always.
Summary of the invention
In view of this, the object of the invention is to overcome on the one hand the defect of prior art, a kind of high filling injectable plastic material composition and method of making the same is provided, it has improved rigidity, hardness and other mechanical properties of material, the injection moulding Application Areas that is applicable to the macromolecular materials such as PP, PS, ABS, is particularly useful for the field of household appliances such as register face and automotive field.Can reduce again on the other hand the cost of material.
For achieving the above object, the present invention adopts following technical scheme:
A high filling injectable plastic material composition, includes following weight part raw material: polypropylene 50～80 weight parts, polyethylene 1～15 weight part, ethylenic copolymer rubber 1～25 weight part, polystyrene 10～20 weight parts, ultra tiny mineral filler 80～150 weight parts, glass tiny balloon 5～30 weight parts, polypropylene nucleater 0.01～1 weight part, polar polypropylene 5～20 weight parts and oxidation inhibitor 0.5～5 weight part.
Preferably, described polypropylene is alfon or propylene copolymer.
Preferably, described polyethylene is one or more in HDPE, LDPE, LLDPE.
Preferably, described ethylenic copolymer rubber is a kind of in EPR, EPDM, SBS.
Preferably, described ultra-fine inorganic filler is calcium carbonate, its median size >=800 order.
Preferably, the particle diameter of described glass tiny balloon is 10～100 μ m.
Preferably, described polypropylene nucleater is polypropylene beta-crystal-type nucleater, and its model is NB-328.
Preferably, described polar polypropylene is PP-g-MHA, and its model is MPP-1000.
Preferably, described oxidation inhibitor is one or both in sulfolipins oxidation inhibitor and phosphite kind antioxidant.
An aforementioned high preparation method who fills injectable plastic material composition, includes following steps:
1) ultra tiny mineral filler is dried to moisture content≤0.1%;
2) add high mixer high speed to stir 5～8 minutes the ultra tiny mineral filler of drying;
3) polypropylene, polyethylene, ethylenic copolymer rubber, polystyrene, glass tiny balloon, polypropylene nucleater, polar polypropylene and oxidation inhibitor are added in high mixer and stirred 5～8 minutes;
4) then take out mixture, join in twin screw extruder, in 170～230 ℃ of temperature ranges, melt extrude, granulation, obtains objective composition.
The present invention compared with prior art has obvious advantage and beneficial effect, particularly, and as shown from the above technical solution:
After tested, product of the present invention has good mechanical property, and impact resistance can reach 8KJ/m
2above, meet the requirement of automotive material.Realization of Product of the present invention high-strength, Gao Mo and the high heat resistance energy of glass-reinforced polypropylene, low temperature impact strength is high, injection moulding product surface is good, its melting index variable range is larger, both be applicable to the parts that injection moulding size is less, be also suitable for the parts that compact dimensions is larger.The present composition is directly injection moulding not only, can also the injection moulding for plastics such as PS, ABS as stopping composition.
Embodiment
A kind of high filling injectable plastic material composition that the present invention discloses, it includes following weight part raw material: polypropylene 50～80 weight parts, polyethylene 1～15 weight part, ethylenic copolymer rubber 1～25 weight part, polystyrene 10～20 weight parts, ultra tiny mineral filler 80～150 weight parts, glass tiny balloon 5～30 weight parts, polypropylene nucleater 0.01～1 weight part, polar polypropylene 5～20 weight parts and oxidation inhibitor 0.5～5 weight part.Described polypropylene is alfon or propylene copolymer; Described polyethylene is HDPE(high density polyethylene(HDPE)), LDPE(Low Density Polyethylene), LLDPE(linear low density polyethylene) in one or more; Described ethylenic copolymer rubber is EPR(ethylene propylene copolymer), EPDM(terpolymer EP rubber), SBS(styrene series thermoplastic elastomer) in a kind of; Described ultra-fine inorganic filler is calcium carbonate, its median size >=800 order; The particle diameter of described glass tiny balloon is 10～100 μ m; Described polypropylene nucleater is polypropylene beta-crystal-type nucleater, and its model is NB-328; Described polar polypropylene is PP-g-MHA, and its model is MPP-1000; Described oxidation inhibitor is one or both in sulfolipins oxidation inhibitor and phosphite kind antioxidant.
During preparation, according to following steps:
1) ultra tiny mineral filler is dried to moisture content≤0.1%;
2) add high mixer high speed to stir 5～8 minutes the ultra tiny mineral filler of drying;
3) polypropylene, polyethylene, ethylenic copolymer rubber, polystyrene, glass tiny balloon, polypropylene nucleater, polar polypropylene and oxidation inhibitor are added in high mixer and stirred 5～8 minutes;
4) then take out mixture, join in twin screw extruder, in 170～230 ℃ of temperature ranges, melt extrude, granulation, obtains objective composition.
With specific embodiment, the present invention will be described below:
Embodiment 1:
First, choose 1 kilogram of the water-ground limestone of 800 order fineness, at 150 ℃ dry 3 hours, make its moisture content≤0.1%; Then, dried water-ground limestone is joined in high-speed mixer, then adds 400 grams of polypropylene (PP), HDPE(high density polyethylene(HDPE)) 100 grams, EPDM(terpolymer EP rubber) 5 grams, 100 grams, 200 grams of polystyrene, 0.5 gram of polypropylene nucleater, 50 grams of polar polypropylenes (compatilizer) and oxidation inhibitor.Mix and take out mixture after 5 minutes, join in screw extrusion press, in 170～230 ℃ of temperature ranges, melt extrude, granulation obtains objective composition.
Embodiment 2:
First, choose 800 grams of the water-ground limestones of 800 order fineness, at 150 ℃ dry 3 hours, make its moisture content≤0.1%; Then, dried water-ground limestone is joined in high-speed mixer, add again 400 grams of polypropylene (PP), HDPE(high density polyethylene(HDPE)) 5 grams, 100 grams of 150 grams, 100 grams of EPDM (terpolymer EP rubber), 150 grams of polystyrene, 0.5 gram of polypropylene nucleater, polar polypropylene (compatilizer) and oxidation inhibitor, mix and after 5 minutes, add 200 grams of glass tiny balloons (granularity 10～100 μ m), continue to mix 3 minutes, take out mixture, join in screw extrusion press, in 170～230 ℃ of temperature ranges, melt extrude, granulation obtains objective composition.
Embodiment 3:
First, choose 1 kilogram of the water-ground limestone of 1000 order fineness, at 150 ℃ dry 3 hours, make its moisture content≤0.1%; Then, dried water-ground limestone is joined in high-speed mixer, then adds 450 grams of polypropylene (PP), LDPE(Low Density Polyethylene) 110 grams, EPR(ethylene propylene copolymer) 5 grams, 110 grams, 200 grams of polystyrene, 0.5 gram of polypropylene nucleater, 50 grams of polar polypropylenes (compatilizer) and oxidation inhibitor.Mix and take out mixture after 5 minutes, join in screw extrusion press, in 170～230 ℃ of temperature ranges, melt extrude, granulation obtains objective composition.
Embodiment 4:
First, choose 800 grams of the water-ground limestones of 900 order fineness, at 150 ℃ dry 3 hours, make its moisture content≤0.1%, then, dried water-ground limestone is joined in high-speed mixer, add again 390 grams of polypropylene (PP), LLDPE(linear low density polyethylene) 160 grams, SBS(styrene series thermoplastic elastomer) 100 grams, 150 grams of polystyrene, 0.5 gram of polypropylene nucleater, 5 grams, 100 grams of polar polypropylenes (compatilizer) and oxidation inhibitor, mix and after 5 minutes, add 200 grams of glass tiny balloons (granularity 10～100 μ m), continue to mix 3 minutes, take out mixture, join in screw extrusion press, in 170～230 ℃ of temperature ranges, melt extrude, granulation obtains objective composition.
Embodiment 5:
First, choose 1.5 kilograms of the water-ground limestones of 2000 order fineness, at 150 ℃ dry 3 hours, make its moisture content≤0.1%; Then, dried water-ground limestone is joined in high-speed mixer, then adds 650 grams of polypropylene (PP), LDPE(Low Density Polyethylene) 160 grams, EPR(ethylene propylene copolymer) 7.5 grams, 160 grams, 280 grams of polystyrene, 0.65 gram of polypropylene nucleater, 70 grams of polar polypropylenes (compatilizer) and oxidation inhibitor.Mix and take out mixture after 5 minutes, join in screw extrusion press, in 170～230 ℃ of temperature ranges, melt extrude, granulation obtains objective composition.
Embodiment 6:
First, choose 1200 grams of the water-ground limestones of 900 order fineness, at 150 ℃ dry 3 hours, make its moisture content≤0.1%, then, dried water-ground limestone is joined in high-speed mixer, add again 460 grams of polypropylene (PP), LLDPE(linear low density polyethylene) 190 grams, SBS(styrene series thermoplastic elastomer) 120 grams, 180 grams of polystyrene, 0.65 gram of polypropylene nucleater, 6.5 grams, 120 grams of polar polypropylenes (compatilizer) and oxidation inhibitor, mix and after 5 minutes, add 250 grams of glass tiny balloons (granularity 10～100 μ m), continue to mix 3 minutes, take out mixture, join in screw extrusion press, in 170～230 ℃ of temperature ranges, melt extrude, granulation obtains objective composition.
After tested, the above-mentioned object composition making has good mechanical property, and impact resistance can reach 8KJ/m
2above, meet the requirement of automotive material.
Realization of Product of the present invention high-strength, Gao Mo and the high heat resistance energy of glass-reinforced polypropylene, low temperature impact strength is high, injection moulding product surface is good, its melting index variable range is larger, both be applicable to the parts that injection moulding size is less, be also suitable for the parts that compact dimensions is larger.The present composition is directly injection moulding not only, can also the injection moulding for plastics such as PS, ABS as stopping composition.
Know-why of the present invention has below been described in conjunction with specific embodiments.These are described is in order to explain principle of the present invention, and can not be interpreted as by any way limiting the scope of the invention.Explanation based on herein, those skilled in the art does not need to pay performing creative labour can associate other embodiment of the present invention, within these modes all will fall into protection scope of the present invention.
Claims (10)
1. a high filling injectable plastic material composition, is characterized in that: include following weight part raw material: polypropylene 50～80 weight parts, polyethylene 1～15 weight part, ethylenic copolymer rubber 1～25 weight part, polystyrene 10～20 weight parts, ultra tiny mineral filler 80～150 weight parts, glass tiny balloon 5～30 weight parts, polypropylene nucleater 0.01～1 weight part, polar polypropylene 5～20 weight parts and oxidation inhibitor 0.5～5 weight part.
2. the high injectable plastic material composition of filling as claimed in claim 1, is characterized in that: described polypropylene is alfon or propylene copolymer.
3. the high injectable plastic material composition of filling as claimed in claim 1, is characterized in that: described polyethylene is one or more in HDPE, LDPE, LLDPE.
4. the high injectable plastic material composition of filling as claimed in claim 1, is characterized in that: described ethylenic copolymer rubber is a kind of in EPR, EPDM, SBS.
5. the high injectable plastic material composition of filling as claimed in claim 1, is characterized in that: described ultra-fine inorganic filler is calcium carbonate its median size >=800 order.
6. the high injectable plastic material composition of filling as claimed in claim 1, is characterized in that: the particle diameter of described glass tiny balloon is 10～100 μ m.
7. the high injectable plastic material composition of filling as claimed in claim 1, is characterized in that: described polypropylene nucleater is polypropylene beta-crystal-type nucleater, and its model is NB-328.
8. the high injectable plastic material composition of filling as claimed in claim 1, is characterized in that: described polar polypropylene is PP-g-MHA, and its model is MPP-1000.
9. the high injectable plastic material composition of filling as claimed in claim 1, is characterized in that: described oxidation inhibitor is one or both in sulfolipins oxidation inhibitor and phosphite kind antioxidant.
10. the height as described in claim 1 to 9 any one is filled a preparation method for injectable plastic material composition, it is characterized in that: include following steps:
1) ultra tiny mineral filler is dried to moisture content≤0.1%;
2) add high mixer high speed to stir 5～8 minutes the ultra tiny mineral filler of drying;
3) polypropylene, polyethylene, ethylenic copolymer rubber, polystyrene, glass tiny balloon, polypropylene nucleater, polar polypropylene and oxidation inhibitor are added in high mixer and stirred 5～8 minutes;
4) then take out mixture, join in twin screw extruder, in 170～230 ℃ of temperature ranges, melt extrude, granulation, obtains objective composition.
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| CN201410380165.6A CN104109289A (en) | 2014-08-05 | 2014-08-05 | High-filling injection molding material composition and preparation method thereof |
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Cited By (6)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734094A (en) * | 2015-02-27 | 2015-06-24 | 宁波广瑞通信技术有限公司 | Telephone or network line joint waterproof protection box |
| CN108725155A (en) * | 2018-07-05 | 2018-11-02 | 颜涛 | A kind of arrangements for automotive doors side impact energy-absorbing plate |
| CN109486027A (en) * | 2018-10-30 | 2019-03-19 | 南京聚隆科技股份有限公司 | One kind can fast ram automotive material and preparation method thereof |
| CN110325575A (en) * | 2017-02-03 | 2019-10-11 | Atp 艾舍+托博斯产品开发有限公司 | Plastics composite, its production method and purposes |
| JP6892185B1 (en) * | 2021-03-17 | 2021-06-23 | 株式会社Ｔｂｍ | Inorganic substance powder-filled resin composition and molded product |
| CN116199955A (en) * | 2021-12-01 | 2023-06-02 | 北京橡胶工业研究设计院有限公司 | Rubber-plastic blending composition for air gun pellets and preparation method of rubber-plastic pellets |
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| CN101993564A (en) * | 2009-08-24 | 2011-03-30 | 新疆大学 | Method for preparing polypropylene material special for automobile instrument panel |
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Cited By (8)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104734094A (en) * | 2015-02-27 | 2015-06-24 | 宁波广瑞通信技术有限公司 | Telephone or network line joint waterproof protection box |
| CN110325575A (en) * | 2017-02-03 | 2019-10-11 | Atp 艾舍+托博斯产品开发有限公司 | Plastics composite, its production method and purposes |
| CN108725155A (en) * | 2018-07-05 | 2018-11-02 | 颜涛 | A kind of arrangements for automotive doors side impact energy-absorbing plate |
| CN109486027A (en) * | 2018-10-30 | 2019-03-19 | 南京聚隆科技股份有限公司 | One kind can fast ram automotive material and preparation method thereof |
| JP6892185B1 (en) * | 2021-03-17 | 2021-06-23 | 株式会社Ｔｂｍ | Inorganic substance powder-filled resin composition and molded product |
| WO2022196432A1 (en) * | 2021-03-17 | 2022-09-22 | 株式会社Tbm | Inorganic substance powder-filled resin composition and molded article |
| JP2022143312A (en) * | 2021-03-17 | 2022-10-03 | 株式会社Tbm | Inorganic substance powder-filled resin composition and molded article |
| CN116199955A (en) * | 2021-12-01 | 2023-06-02 | 北京橡胶工业研究设计院有限公司 | Rubber-plastic blending composition for air gun pellets and preparation method of rubber-plastic pellets |
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Application publication date: 20141022 |