CN107973985A - A kind of plastic alloy and its manufacture method of polypropylene-nylon 6 - Google Patents
A kind of plastic alloy and its manufacture method of polypropylene-nylon 6 Download PDFInfo
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- CN107973985A CN107973985A CN201711312691.9A CN201711312691A CN107973985A CN 107973985 A CN107973985 A CN 107973985A CN 201711312691 A CN201711312691 A CN 201711312691A CN 107973985 A CN107973985 A CN 107973985A
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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
- C08L77/00—Compositions of polyamides obtained by reactions forming a carboxylic amide link in the main chain; Compositions of derivatives of such polymers
- C08L77/02—Polyamides derived from omega-amino carboxylic acids or from lactams thereof
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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
- C08K2003/265—Calcium, strontium or barium carbonate
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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
Abstract
The invention discloses a kind of plastic alloy of the plastic alloy and its manufacture method, wherein polypropylene nylon 6 of polypropylene nylon 6, by weight, including following components：30 60 parts of polypropylene, 20 40 parts of nylon, 6,10 20 parts of POE, 48 parts of compatilizers, 13 parts of flow promortors, 0.2 0.4 parts of antioxidants, 0.3 0.5 parts of lubricants, 5 10 parts of filler materials.The manufacture method of the plastic alloy of polypropylene nylon 6 is first by matching somebody with somebody honest material; mixer is added to stir evenly; then corotating twin-screw extruding granulator melting blending is added, extrusion material strip is water cooled, polypropylene nylon 6 plastic alloying pellet material is made in air-dried, pelletizing.Through performance test, the toughness of product has great raising, and impact strength can reach 270J/m；Tensile strength is 25MPa.Polyacrylic impact strength can be both greatly improved in the present invention, while is basically unchanged its tensile strength.
Description
Technical field
The present invention relates to modified plastics technical field of alloy, is closed more particularly, to a kind of plastics of polypropylene-nylon 6
Gold and its manufacture method.
Background technology
Polypropylene (PP) has the characteristics that processing performance is good, proportion is low, cheap and do not absorb water, and is that current dosage is maximum
A kind of common plastics, be widely used in the production of daily necessities and auto parts and components；But its impact strength is low, shrinking percentage
Greatly, not oil resistant, and because polypropylene molecule is nonpolar, spraying printing is not easy on the surface of polypropylene material, in production
During appearance be vulnerable to influence, therefore polypropylene must be increased in the production of the products such as auto parts machinery, mechanical electric apparatus
It is tough.Main toughener has POE, TPE, EPDM at present, although toughness can improve, tensile strength have it is very big under
Drop, while hardness can also reduce.
And nylon 6 (PA6) has the advantages that intensity height, good toughness, oil resistant and chemicals, heat-resisting, wear-resisting, shortcoming is water suction
Rate is high, and contractibility is big after shaping, and dimensional stability is deteriorated etc., production technology and mold design making is required very high.
If polypropylene and nylon 6 mixing, the shortcomings that two kinds of material can be eliminated, while retain the advantages of respective, and since nylon 6 divides
Son is polarity, alloy material is easy to spraying printing, and proportion increase is seldom also less than water, this closes production auto parts machinery very much
It is suitable；Theoretically see, two kinds of molecules of alloy material intert mutually, mutually restrict, can substantially reduce the crystallization of polypropylene and nylon 6
Degree is so that the shrinking percentage of alloy material has very big decline.
In recent years, occur in succession on nylon and the polypropene blended paper for preparing alloy and patent.Patent
CN100347242C discloses the high-strength fire-retarding PA6/PP alloy materials using sulfonated polystyrene zinc as compatilizer, for manufacturing height
By force, fire-retardant and various thickness electric components and automobile structure.Patent CN102079866A is disclosed to be protected for automobile
Low temperature resistant environmental protection flame retardant PA6/PP alloy material of the danger with draw ring.Patent CN101724197A is disclosed with excellent properties,
PA6/PP composite materials for bellows.These patents are mostly using substantial amounts of PA6 resins as matrix, it is impossible to significantly
Cost is reduced, and has the addition of various fillers, reduces melt flow rate (MFR), is unfavorable for shaping and fibrous composite
Infiltration.
The content of the invention
In order to solve the problems, such as that polypropylene toughening post-tensioning intensity in the prior art and hardness decline, the purpose of the present invention is
A kind of plastic alloy of polypropylene-nylon 6 is provided, it is a further object to provide the manufacture method of the alloy.
The present invention provides a kind of plastic alloy of polypropylene-nylon 6, parts by weights meter, including following components：30-60
Part polypropylene, 20-40 parts of nylon 6,10-20 parts of POE, 4-8 parts of compatilizers, 1-3 parts of flow promortors, 0.2-0.4 parts of antioxidants,
0.3-0.5 parts of lubricants, 5-10 parts of filler materials.
Further, parts by weights meter, including following components：30-50 parts of polypropylene, 20-30 parts of nylon 6,10-20 parts
POE, 5-7 parts of compatilizers, 1.5-2 parts of flow promortors, 0.15-0.2 parts of antioxidants, 0.3-0.4 parts of lubricants, 6-9 parts of filler materials.
Further, parts by weights meter, including following components：60 parts of polypropylene, 25 parts of nylon, 6,15 parts of POE, 5 parts it is compatible
Agent, 2 parts of flow promortors, 0.2 part of antioxidant, 0.4 part of lubricant, 7 parts of filler materials.
Further, the polyacrylic melting means is 5~10g/10min.
Further, the melting means of the nylon 6 is 1~3g/10min.
Further, the compatilizer be selected from polypropylene grafted maleic anhydride, grafting maleic anhydride with ethylene propylene terpolymer,
One kind in polyolefin elastomer grafted maleic anhydride.
Further, the flow promortor is PE cured.
Further, the antioxidant is (anti-for four [β-(3,5- di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol esters
Oxygen agent 1010) and three (2,4- di-tert-butyl-phenyls) phosphite esters (irgasfos 168).
Further, the one kind of the lubricant in ethylene bis stearamide, ethylene double oleamide, stearic acid
It is or several.
Present invention also offers a kind of manufacture method of the plastic alloy of polypropylene-nylon 6, this method includes following step
Suddenly：
Step 1：Raw material polypropylene, nylon 6, POE, compatilizer are added in common low-speed mixer, at room temperature
3min is stirred, flow promortor, antioxidant, lubricant and filler material is then added and is stirred for 10min and is uniformly mixed, you can stopping is stirred
Mix, obtain mixture；
Step 2：Feed the mixture into double-screw extruding pelletizing machine and melt, the temperature of the double-screw extruding pelletizing machine
It is gradually increasing from feed inlet to die head from 180 DEG C to 230 DEG C, extrudes material strip；
Step 3：By extrusion material strip, the polypropylene-nylon 6 plastic alloying pellet is made in water cooled, air-dried, pelletizing again
Material.
Compared with prior art, the present invention have the following advantages and beneficial effect：
This alloy is made using PP as matrix by the proportioning of regulation elasticity body POE and nylon 6, since PP material contents are high,
Make water absorption rate and the PP differences of alloy material little；Polyacrylic impact strength can be both greatly improved in this alloy, while makes its drawing
Intensity is stretched to be held essentially constant；The present invention is also effective to modified nylon, and the production particularly to reclaimed materials is highly advantageous, can not
The performance of recycling is reduced, reduces the cost of modification of nylon 6.
Embodiment
The present invention is further illustrated with reference to embodiments.
Embodiment 1
Each component is weighed according to following parts by weight：45 parts of PP, 25 parts of PA6,15 parts of POE, 5 parts of polypropylene grafted maleic acids
Acid anhydride, 2 parts of PE are cured, 0.4 part of ethylene bis stearamide, antioxidant 1010 and irgasfos 168 are 0.1 part each, 7 parts of calcium carbonate；Wherein PP
Melting means be 5g/10min；The melting means of PA6 is 2g/10min.Raw material PP, PA6, POE, compatilizer are added to common low speed
In mixer, 3min is stirred at room temperature, then adds flow promortor, antioxidant, lubricant and filler material and is stirred for 10min,
Each component is set to be uniformly dispersed；Then melt blending extruding pelletization in double-screw extruding pelletizing machine is added.Dual-screw pelletizer melts
The temperature of blending extrusion is respectively from feed inlet to die head：180℃、210℃、220℃、230℃、230℃、220℃、220℃.
The correlated performance of the plastic alloy refers to table 1.
Embodiment 2
Each component is weighed according to following parts by weight：45 parts of PP, 30 parts of PA6,15 parts of POE, 5 parts of polypropylene grafted maleic acids
Acid anhydride, 2 parts of PE are cured, antioxidant 1010 and each 0.1 part of irgasfos 168,0.4 part of ethylene bis stearamide, 7 parts of calcium carbonate；Wherein PP
Melting means be 5g/10min；The melting means of PA6 is 2g/10min.Raw material PP, PA6, POE, compatilizer are added to common low speed
In mixer, 3min is stirred at room temperature, then adds flow promortor, antioxidant, lubricant and filler material and is stirred for 10min,
Each component is set to be uniformly dispersed；Then melt blending extruding pelletization in double-screw extruding pelletizing machine is added.Dual-screw pelletizer melts
The temperature of blending extrusion is respectively from feed inlet to die head：180℃、210℃、220℃、230℃、230℃、220℃、220℃.
The correlated performance of the plastic alloy refers to table 1.
Embodiment 3
Each component is weighed according to following parts by weight：40 parts of PP, 30 parts of PA6,15 parts of POE, 5 parts of polypropylene grafted maleic acids
Acid anhydride, 2 parts of PE are cured, antioxidant 1010 and irgasfos 168 are 0.1 part each, 0.4 part of ethylene bis stearamide, 7 parts of calcium carbonate；Wherein PP
Melting means be 5g/10min；The melting means of PA6 is 2g/10min.Raw material PP, PA6, POE, compatilizer are added to common low speed
In mixer, 3min is stirred at room temperature, then adds flow promortor, antioxidant, lubricant and filler material and is stirred for 10min,
Each component is set to be uniformly dispersed；Then melt blending extruding pelletization in double-screw extruding pelletizing machine is added.Dual-screw pelletizer melts
The temperature of blending extrusion is respectively from feed inlet to die head：180℃、210℃、220℃、230℃、230℃、220℃、220℃.
The correlated performance of the plastic alloy refers to table 1.
Embodiment 4
Each component is weighed according to following parts by weight：35 parts of PP, 35 parts of PA6,15 parts of POE, 5 parts of polypropylene grafted maleic acids
Acid anhydride, 2 parts of PE are cured, antioxidant 1010 and irgasfos 168 are 0.1 part each, 0.4 part of ethylene bis stearamide, 7 parts of calcium carbonate；Wherein PP
Melting means be 5g/10min；The melting means of PA6 is 2g/10min.Raw material PP, PA6, POE, compatilizer are added to common low speed
In mixer, 3min is stirred at room temperature, then adds flow promortor, antioxidant, lubricant and filler material and is stirred for 10min,
Each component is set to be uniformly dispersed；Then melt blending extruding pelletization in double-screw extruding pelletizing machine is added.Dual-screw pelletizer melts
The temperature of blending extrusion is respectively from feed inlet to die head：180℃、210℃、220℃、230℃、230℃、220℃、220℃.
The correlated performance of the plastic alloy refers to table 1.
Embodiment 5
Each component is weighed according to following parts by weight：30 parts of PP, 40 parts of PA6,15 parts of POE, 5 parts of polypropylene grafted maleic acids
Acid anhydride, 2 parts of PE are cured, antioxidant 1010 and irgasfos 168 are 0.1 part each, 0.4 part of ethylene bis stearamide, 7 parts of calcium carbonate；Wherein PP
Melting means be 5g/10min；The melting means of PA6 is 2g/10min.Raw material PP, PA6, POE, compatilizer are added to common low speed
In mixer, 3min is stirred at room temperature, then adds flow promortor, antioxidant, lubricant and filler material and is stirred for 10min,
Each component is set to be uniformly dispersed；Then melt blending extruding pelletization in double-screw extruding pelletizing machine is added.Dual-screw pelletizer melts
The temperature of blending extrusion is respectively from feed inlet to die head：180℃、210℃、220℃、230℃、230℃、220℃、220℃.
The correlated performance of the plastic alloy refers to table 1.
Comparative example 1
Each component is weighed according to following parts by weight：50 parts of PP, 40 parts of POE, 2 parts of PE are cured, antioxidant 1010 and irgasfos 168
Each 0.1 part, 0.4 part of ethylene bis stearamide, 7 parts of calcium carbonate；Wherein the melting means of PP is 5g/10min.By raw material PP, POE, phase
Hold agent to be added in common low-speed mixer, 3min is stirred at room temperature, then add flow promortor, antioxidant, lubricant
And filler material is stirred for 10min, each component is set to be uniformly dispersed；Then melt blending extrusion in double-screw extruding pelletizing machine is added to make
Grain.Dual-screw pelletizer melt blending extrusion temperature be respectively from feed inlet to die head：180℃、210℃、220℃、230
℃、230℃、220℃、220℃.The correlated performance of the plastic alloy refers to table 1.
Comparative example 2
Each component is weighed according to following parts by weight：45 parts of PP, 20 parts of PA6,20 parts of POE, 5 parts of polypropylene grafted maleic acids
Acid anhydride, 2 parts of PE are cured, antioxidant 1010 and irgasfos 168 are 0.1 part each, 0.4 part of ethylene bis stearamide, 7 parts of calcium carbonate；Wherein PP
Melting means be 5g/10min；The melting means of PA6 is 2g/10min.Raw material PP, PA6, POE, compatilizer are added to common low speed
In mixer, 3min is stirred at room temperature, then adds flow promortor, antioxidant, lubricant and filler material and is stirred for 10min,
Each component is set to be uniformly dispersed；Then melt blending extruding pelletization in double-screw extruding pelletizing machine is added.Dual-screw pelletizer melts
The temperature of blending extrusion is respectively from feed inlet to die head：180℃、210℃、220℃、230℃、230℃、220℃、220℃.
The correlated performance of the plastic alloy refers to table 1.
Table 1
| Embodiment | - | - | 1 | 2 | 3 | 4 | 5 |
| Comparative example | 1 | 2 | - | - | - | - | - |
| PP | 50 | 45 | 45 | 45 | 40 | 35 | 30 |
| PA6 | - | 20 | 25 | 30 | 30 | 35 | 40 |
| POE | 40 | 20 | 15 | 15 | 15 | 15 | 15 |
| Polypropylene grafted maleic anhydride | 5 | 5 | 5 | 5 | 5 | 5 | 5 |
| PE is cured | 2 | 2 | 2 | 2 | 2 | 2 | 2 |
| Antioxidant | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 | 0.2 |
| Ethylene bis stearamide | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 | 0.4 |
| Calcium carbonate | 7 | 7 | 7 | 7 | 7 | 7 | 7 |
| Tensile strength (MPa) | 12 | 21 | 23 | 24 | 24 | 27 | 28 |
| Elongation at break (%) | 296 | 280 | 242 | 245 | 246 | 210 | 170 |
| Bending strength (MPa) | 23 | 37 | 40 | 42 | 45 | 47 | 48 |
| Notch impact strength (J/m) | 280 | 273 | 270 | 270 | 260 | 263 | 265 |
It can be seen that from the test data in table and add POE, the toughness of alloy material has great raising, impact strength
270J/m is can reach, but tensile strength and bending strength can decline；With the addition increase of PA6, the tensile strength of material
Obvious increase；And after PA6 and POE are added together, the tensile strength and bending strength of alloy are all improved, and notch impact strength becomes
Change little.
Finally, the present processes are only preferable embodiment, are not intended to limit the scope of the present invention.It is all
Within the spirit and principles in the present invention, any modification, equivalent replacement, improvement and so on, should be included in the protection of the present invention
Within the scope of.
Claims (9)
- A kind of 1. plastic alloy of polypropylene-nylon 6, it is characterised in that by weight, including following components：30-60 parts poly- Propylene, 20-40 part nylon 6,10-20 parts of POE, 4-8 parts of compatilizers, 1-3 parts of flow promortors, 0.2-0.4 parts of antioxidants, 0.3- 0.5 part of lubricant, 5-10 parts of filler materials.
- 2. the plastic alloy of a kind of polypropylene-nylon 6 according to claim 1, it is characterised in that parts by weights meter, bag Include following components：30-50 parts of polypropylene, 20-30 parts of nylon 6,10-20 parts of POE, 5-7 parts of compatilizers, 1.5-2 parts of flow promortors, 0.15-0.2 parts of antioxidants, 0.3-0.4 parts of lubricants, 6-9 parts of filler materials.
- 3. the plastic alloy of a kind of polypropylene-nylon 6 according to claim 1, it is characterised in that parts by weights meter, bag Include following components：60 parts of polypropylene, 25 parts of nylon, 6,15 parts of POE, 5 parts of compatilizers, 2 parts of flow promortors, 0.2 part of antioxidant, 0.4 Part lubricant, 7 parts of filler materials.
- 4. the plastic alloy of a kind of polypropylene-nylon 6 according to any one of claims 1 to 3, it is characterised in that described Compatilizer is selected from polypropylene grafted maleic anhydride, grafting maleic anhydride with ethylene propylene terpolymer, polyolefin elastomer grafted maleic One kind of acid anhydride.
- 5. the plastic alloy of a kind of polypropylene-nylon 6 according to any one of claims 1 to 3, it is characterised in that described Flow promortor is cured for PE.
- 6. the plastic alloy of a kind of polypropylene-nylon 6 according to any one of claims 1 to 3, it is characterised in that described Antioxidant is sub- for four [β-(3,5- di-tert-butyl-hydroxy phenyls) propionic acid] pentaerythritol esters and three (2,4- di-tert-butyl-phenyls) Phosphate.
- 7. the plastic alloy of a kind of polypropylene-nylon 6 according to any one of claims 1 to 3, it is characterised in that described One or more of the lubricant in ethylene bis stearamide, ethylene double oleamide, stearic acid.
- 8. the plastic alloy of a kind of polypropylene-nylon 6 according to any one of claims 1 to 3, it is characterised in that described Filler material is precipitated calcium carbonate, and fineness is 1250 mesh.
- A kind of 9. manufacture method of the plastic alloy of any polypropylene-nylon 6 of claims 1 to 3, it is characterised in that The manufacture method comprises the following steps：Step 1：Raw material polypropylene, nylon 6, POE, compatilizer are added in common low-speed mixer, are stirred at room temperature 3min, then adds flow promortor, antioxidant, lubricant and filler material and is stirred for 10min and is uniformly mixed, you can stop stirring, Obtain mixture；Step 2：Feed the mixture into double-screw extruding pelletizing machine and melt, the temperature of the double-screw extruding pelletizing machine from into Material mouth gradually rises to 230 DEG C to die head from 180 DEG C, extrudes material strip；Step 3：By the material strip of the extrusion, polypropylene-nylon 6 plastic alloying pellet material is made in water cooled, air-dried, pelletizing again.
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Cited By (5)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN113667213A (en) * | 2021-07-28 | 2021-11-19 | 上海普利特复合材料股份有限公司 | Lightweight high-performance PP/PA alloy material and preparation method thereof |
| CN114106464A (en) * | 2021-12-27 | 2022-03-01 | 镇江市元润电子有限公司 | Production process of green environment-friendly modified polypropylene plastic particles |
| CN114806006A (en) * | 2022-03-25 | 2022-07-29 | 江苏金发科技新材料有限公司 | Polypropylene/nylon 6 alloy material and preparation method and application thereof |
| US11407894B2 (en) * | 2018-12-18 | 2022-08-09 | Quinlyte Holding B.V. | Polymer compositions having unique differential scanning calorimetry (DSC) and DSC crysatillization exotherm (Tpc) characteristics, method for preparing said composition, article comprising said composition and method preparing said articles |
| CN116355399A (en) * | 2023-05-19 | 2023-06-30 | 山东祥龙新材料股份有限公司 | Flexible extrusion nylon material, preparation method and application thereof |
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| CN102329456A (en) * | 2011-05-31 | 2012-01-25 | 深圳市科聚新材料有限公司 | PP/PA (polypropylene/polyamide) composite material and preparation method thereof |
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- 2017-12-12 CN CN201711312691.9A patent/CN107973985A/en active Pending
Patent Citations (1)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN102329456A (en) * | 2011-05-31 | 2012-01-25 | 深圳市科聚新材料有限公司 | PP/PA (polypropylene/polyamide) composite material and preparation method thereof |
Cited By (7)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| US11407894B2 (en) * | 2018-12-18 | 2022-08-09 | Quinlyte Holding B.V. | Polymer compositions having unique differential scanning calorimetry (DSC) and DSC crysatillization exotherm (Tpc) characteristics, method for preparing said composition, article comprising said composition and method preparing said articles |
| CN113667213A (en) * | 2021-07-28 | 2021-11-19 | 上海普利特复合材料股份有限公司 | Lightweight high-performance PP/PA alloy material and preparation method thereof |
| CN114106464A (en) * | 2021-12-27 | 2022-03-01 | 镇江市元润电子有限公司 | Production process of green environment-friendly modified polypropylene plastic particles |
| CN114806006A (en) * | 2022-03-25 | 2022-07-29 | 江苏金发科技新材料有限公司 | Polypropylene/nylon 6 alloy material and preparation method and application thereof |
| CN114806006B (en) * | 2022-03-25 | 2023-07-11 | 江苏金发科技新材料有限公司 | Polypropylene/nylon 6 alloy material and preparation method and application thereof |
| CN116355399A (en) * | 2023-05-19 | 2023-06-30 | 山东祥龙新材料股份有限公司 | Flexible extrusion nylon material, preparation method and application thereof |
| CN116355399B (en) * | 2023-05-19 | 2023-08-04 | 山东祥龙新材料股份有限公司 | Flexible extrusion nylon material, preparation method and application thereof |
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Application publication date: 20180501 |