CN103275398A - Low-density flame-retardant polypropylene nano-composite material and preparation method thereof - Google Patents
Low-density flame-retardant polypropylene nano-composite material and preparation method thereof Download PDFInfo
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- CN103275398A CN103275398A CN2013101238830A CN201310123883A CN103275398A CN 103275398 A CN103275398 A CN 103275398A CN 2013101238830 A CN2013101238830 A CN 2013101238830A CN 201310123883 A CN201310123883 A CN 201310123883A CN 103275398 A CN103275398 A CN 103275398A
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C48/00—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor
- B29C48/022—Extrusion moulding, i.e. expressing the moulding material through a die or nozzle which imparts the desired form; Apparatus therefor characterised by the choice of material
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- B—PERFORMING OPERATIONS; TRANSPORTING
- B29—WORKING OF PLASTICS; WORKING OF SUBSTANCES IN A PLASTIC STATE IN GENERAL
- B29C—SHAPING OR JOINING OF PLASTICS; SHAPING OF MATERIAL IN A PLASTIC STATE, NOT OTHERWISE PROVIDED FOR; AFTER-TREATMENT OF THE SHAPED PRODUCTS, e.g. REPAIRING
- B29C2948/00—Indexing scheme relating to extrusion moulding
- B29C2948/92—Measuring, controlling or regulating
- B29C2948/92504—Controlled parameter
- B29C2948/92695—Viscosity; Melt flow index [MFI]; Molecular weight
Abstract
The invention discloses a low-density flame-retardant polypropylene nano-composite material. The low-density flame-retardant polypropylene nano-composite material is characterized by comprising 40 to 60wt% of polypropylene, 20 to 40wt% of nano-hydrotalcite-like compound, 10 to 20wt% of nano-talcum powder and 5 to 10wt% of a processing assistant. The invention also discloses a preparation method of the low-density flame-retardant polypropylene nano-composite material. The low-density flame-retardant polypropylene nano-composite material has the advantages that synergism of the hydrotalcite-like compound and the nano-talcum powder is superior to simple superposition of effects of the hydrotalcite-like compound and the nano-talcum powder; flame retardation is improved; a total addition ratio of the hydrotalcite-like compound and the nano-talcum powder is reduced; and high strength, light weight and flame retardance of an automobile component are obtained.
Description
Technical field
The present invention relates to the modified plastics technical field, be specifically related to a kind of low density polypropylene flame redardant nano composite material, and the preparation method of the nano combined material of this low density polypropylene flame redardant.
Technical background:
Along with the increase of the light-weighted development of automobile and auto output, China has become the first in the world automobile production and country of consumption." to mould Dai Gang " is the light-weighted important channel of automobile, and lightweight and environmental protectionization are had higher requirement to development of material technology.With regard to automobile market, what at first need to take in is exactly equilibrium relationship between the Cost And Performance.Because the cause that competition and expectation are recouped capital outlay, it is extremely important that cost becomes.The inorganic functional filler that cost performance is high becomes the problem that the modified plastics industry is paid close attention to.
Hydrotalcite, a kind of novel inorganic laminated functional materials comprises hydrotalcite and houghite, this class material has unique anion pillared laminate structure and unique negatively charged ion interchangeability and laminate positively charged ion collocation property.Under certain condition, some functional species (atom, molecule and ion) can overcome the reactive force between lamellar compound layer and the layer and insert bedding void (or ion-exchange) changeably.But metal ion and negatively charged ion by modulation, realize molecule assembling variation, make anionic clay become the new functional materials that a class has tempting prospect, as security heat stable material, selective infrared absorbing material, environmentally friendly catalytic material, selective ultraviolet blocking material, environmental-protection flame-retardant material, ion-exchange material, extraordinary military project material etc.To be talcum obtain through technology such as processing, pulverizing and grinding talcum powder, is a kind of non-metallic mineral powder.Talcum powder is widely used in industrial sectors such as papermaking, chemical industry, coating, rubber, plastics, because it has good thermotolerance, oilness, anti acid alkali performance, insulativity and oils is had strong good characteristics such as adsorptivity.The talcum powder future market mainly is positioned at acrylic plastering, secondly is coating and paper industry.Along with the transfer of talcum powder Application Areas, talcum powder is proposed more and more higher requirement, impel talcum powder towards becoming more meticulous and the miniaturization direction develops, particularly super-fine talc (＜1 μ m) and nanomete talc powder, at home and abroad supply falls short of demand on the market.CN1631960A discloses a kind of high rigidity, high tenacity damage resistant talc powder filled polypropylene and preparation method thereof, adopt the talcum powder master batch as main stuffing, has solved the problem of matrix material rigidity, toughness, damage resistant.CN101070417A discloses a kind of polyacrylic composition and method of making the same, adopts talcum powder, whisker, calcium carbonate Recompounded multielement technology, has improved matrix material crystal property, shrinkage and surface property.CN 102108155A discloses a kind of hydrotalcite flame-retardant polypropylene composite material and preparation method thereof, by fire retardant and hydrotalcite cooperative flame retardant, and the matrix material of preparation excellent combination property.
The nano lamellar inorganic materials fusion that the present invention is different with two kinds of particle diameters is compound, evenly spreads in the acrylic plastering matrix, by the interaction of sheet interlayer, has both improved polyacrylic mechanical property and flame retardant properties, effectively reduces the density of matrix material again.
Summary of the invention:
The objective of the invention is at above-mentioned deficiency, a kind of low density polypropylene flame redardant nano composite material is provided, and the preparation method of the nano combined material of this low density polypropylene flame redardant.Realize the polypropylene material high-strength light, improve the flame retardant properties of matrix material simultaneously.
The technical scheme that the present invention adopts for achieving the above object is:
A kind of low density polypropylene flame redardant nano composite material, it is made by following mass percent component:
Polypropylene 40-60%
Nano hydrotalcite 20-40%
Nanomete talc powder 10-20%
Processing aid 5-10%.
Described polypropylene is that melting index is the Co-polypropylene of 15-35g/10min.
Described nano hydrotalcite is interlayer anion, is specially the hydrotalcite of one of borate ion, phosphate anion and 3-hydroxy phenyl phosphoroso-propionate ion, and its particle diameter is 20-200nm.
Described nanomete talc powder particle diameter is 200-500nm.
Described processing aid is the composition of antioxidant 1010, oxidation inhibitor 168, toughner,
Wherein the mass ratio of antioxidant 1010, oxidation inhibitor 168 and toughner is 1: 1: 3-8.
Described toughner is that melting index is 2-10g/10min thermoplastic elastomer polyolefin elastomer POE.
A kind of preparation method according to above-mentioned low density polypropylene flame redardant nano composite material, it may further comprise the steps:
(1) take by weighing each component by following mass percent:
Polypropylene 40-60%
Nano hydrotalcite 20-40%
Nanomete talc powder 10-20%
Processing aid 5-10%;
(2) high-speed mixer is set, with each component that step (1) takes by weighing, puts into this high-speed mixer and mixed 10 minutes;
(3) twin screw extruder is set, with the mixture that makes in the step (2), puts into this twin screw extruder, under 180～200 ℃ of temperature, mixture is carried out extruding pelletization, obtain nanometer composite polypropylene material.
The rotating speed of high-speed mixer is 1000rmp described in the step (2).
Twin screw extruder is under the condition of 400-500rpm, mixture to be carried out extruding pelletization at rotating speed in the step (3).
Wherein, described polypropylene is that melting index is the Co-polypropylene of 15-35g/10min; Described nano hydrotalcite is interlayer anion, is specially the hydrotalcite of one of borate ion, phosphate anion and 3-hydroxy phenyl phosphoroso-propionate ion, and its particle diameter is 20-200nm; Described nanomete talc powder particle diameter is 200-500nm; Described processing aid is the composition of antioxidant 1010, oxidation inhibitor 168, toughner, and wherein the mass ratio of antioxidant 1010, oxidation inhibitor 168 and toughner is 1: 1: 3-8; Described toughner is that melting index is 2-10g/10min thermoplastic elastomer polyolefin elastomer POE.
The invention has the beneficial effects as follows:
1. product provided by the invention and preparation method, nano hydrotalcite and talcum powder by in conjunction with different-grain diameter filter out suitable houghite, and find out houghite and talcous best adding proportion, make product have the excellent comprehensive performance.
2. the present invention has fully used the synergy that exists between houghite and the talcum powder, its reinforced effects is better than the simple superposition of both reinforced effects, improve flame retardant properties simultaneously, the total addition level ratio reduces, just can make low density polypropylene flame redardant nano composite material, realize automobile component high-strength light, fire-retardant purpose.
3. low density polypropylene flame redardant nano composite material provided by the present invention and preparation method thereof in preparation process and use, all can not meet green, environmental requirement to environment and the healthy generation harm of people.
Embodiment
Embodiment 1: the low density polypropylene flame redardant nano composite material that present embodiment provides, and it is made by following mass percent component:
Polypropylene 40-60%
Nano hydrotalcite 20-40%
Nanomete talc powder 10-20%
Processing aid 5-10%;
Wherein, described polypropylene is that melting index is the Co-polypropylene of 15-35g/10min.
Described nano hydrotalcite is interlayer anion, is specially the hydrotalcite of one of borate ion, phosphate anion and 3-hydroxy phenyl phosphoroso-propionate ion, and its particle diameter is 20-200nm.
Described nanomete talc powder particle diameter is 200-500nm.
Described processing aid is the composition of antioxidant 1010, oxidation inhibitor 168, toughner, and wherein the mass ratio of antioxidant 1010, oxidation inhibitor 168 and toughner is 1: 1: 3-8.
Described toughner is that melting index is 2-10g/10min thermoplastic elastomer polyolefin elastomer POE.
A kind of preparation method according to above-mentioned low density polypropylene flame redardant nano composite material, it may further comprise the steps:
(1) take by weighing each component by following mass percent:
Polypropylene 40-60%
Nano hydrotalcite 20-40%
Nanomete talc powder 10-20%
Processing aid 5-10%;
(2) high-speed mixer is set, with each component that step (1) takes by weighing, puts into this high-speed mixer and mixed 10 minutes;
(3) twin screw extruder is set, with the mixture that makes in the step (2), puts into this twin screw extruder, under 180～200 ℃ of temperature, mixture is carried out extruding pelletization, obtain nanometer composite polypropylene material.
The rotating speed of high-speed mixer is 1000rmp described in the step (2).
Twin screw extruder is under the condition of 400-500rpm, mixture to be carried out extruding pelletization at rotating speed in the step (3).
Wherein, described polypropylene is that melting index is the Co-polypropylene of 15-35g/10min.
Described nano hydrotalcite is interlayer anion, is specially the hydrotalcite of one of borate ion, phosphate anion and 3-hydroxy phenyl phosphoroso-propionate ion, and its particle diameter is 20-200nm.
Described nanomete talc powder particle diameter is 200-500nm.
Described processing aid is the composition of antioxidant 1010, oxidation inhibitor 168, toughner, and wherein the mass ratio of antioxidant 1010, oxidation inhibitor 168 and toughner is 1: 1: 3-8.
Described toughner is that melting index is 2-10g/10min thermoplastic elastomer polyolefin elastomer POE.
Embodiment 2: low density polypropylene flame redardant nano composite material that present embodiment provides and preparation method thereof, and its component is all identical with embodiment 1 with step, and its difference is:
Described low density polypropylene flame redardant nano composite material, made by following mass percent component:
27g/10min polypropylene 54%, borate houghite 26%, the talcum of 200nm
Powder 12%, processing aid 8%.
The preparation method of this low density polypropylene flame redardant nano composite material, it may further comprise the steps:
(1) takes by weighing each component: 27g/10min polypropylene 27kg, borate houghite 13kg, particle diameter is talcum powder 6kg and the processing aid 4kg of 200nm, wherein antioxidant 1010 0.5kg, oxidation inhibitor 168 0.5kg, polyolefin elastomer POE 3kg in the processing aid;
(2) high-speed mixer being set, with each component that step (1) takes by weighing, putting into this high-speed mixer, is to mix 10 minutes under the 1000rmp condition at rotating speed;
(3) twin screw extruder is set, with the mixture that makes in the step (2), puts into this twin screw extruder, under 180 ℃ of temperature, rotating speed is under the condition of 400rpm, and mixture is carried out extruding pelletization, obtains nanometer composite polypropylene material.
Embodiment 3: low density polypropylene flame redardant nano composite material that present embodiment provides and preparation method thereof, its component and step all with embodiment 1,2 identical, its difference is:
Described low density polypropylene flame redardant nano composite material, made by following mass percent component:
15g/10min polypropylene 40%, phosphate radical houghite 40%, the talcum powder 15% of 300nm, processing aid 5%.
The preparation method of this low density polypropylene flame redardant nano composite material, it may further comprise the steps:
(1) takes by weighing each component: 15g/10min polypropylene 20kg, phosphate radical houghite
20kg, particle diameter are talcum powder 7.5kg and the processing aid 2.5kg of 300nm, wherein antioxidant 1010 0.5kg, oxidation inhibitor 168 0.5kg, polyolefin elastomer POE 1.5kg in the processing aid; (2) high-speed mixer being set, with each component that step (1) takes by weighing, putting into this high-speed mixer, is to mix 10 minutes under the 1000rmp condition at rotating speed;
(3) twin screw extruder is set, with the mixture that makes in the step (2), puts into this twin screw extruder, under 200 ℃ of temperature, rotating speed is under the condition of 450rpm, and mixture is carried out extruding pelletization, obtains nanometer composite polypropylene material.
Embodiment 4: low density polypropylene flame redardant nano composite material that present embodiment provides and preparation method thereof, its component and step all with embodiment 1,2,3 identical, its difference is:
Described low density polypropylene flame redardant nano composite material, made by following mass percent component:
30g/10min polypropylene 60%, borate houghite 20%, the talcum powder 10% of 500nm, processing aid 10%.
The preparation method of this low density polypropylene flame redardant nano composite material, it may further comprise the steps:
(1) take by weighing each component: 30g/10min polypropylene 30kg, borate houghite 10kg, particle diameter are talcum powder 5kg and the processing aid 5kg of 500nm, wherein antioxidant 1010 1kg, oxidation inhibitor 168 1kg, polyolefin elastomer POE 3kg in the processing aid;
(2) high-speed mixer being set, with each component that step (1) takes by weighing, putting into this high-speed mixer, is to mix 10 minutes under the 1000rmp condition at rotating speed;
(3) twin screw extruder is set, with the mixture that makes in the step (2), puts into this twin screw extruder, under 190 ℃ of temperature, rotating speed is under the condition of 500rpm, and mixture is carried out extruding pelletization, obtains nanometer composite polypropylene material.
Embodiment 5: low density polypropylene flame redardant nano composite material that present embodiment provides and preparation method thereof, its component and step all with embodiment 1,2,3,4 identical, its difference is:
Described low density polypropylene flame redardant nano composite material, made by following mass percent component:
35g/10min polypropylene 50%, 3-hydroxy phenyl phosphoroso-propionate houghite 25%, the talcum powder 20% of 500nm, processing aid 5%.
The preparation method of this low density polypropylene flame redardant nano composite material, it may further comprise the steps: (1) takes by weighing each component: 35g/10min polipropene 25 kg, 3-hydroxy phenyl phosphoroso-propionate houghite 12.5kg, particle diameter is talcum powder 10kg and the processing aid 2.5kg of 500nm, wherein antioxidant 1010 0.5kg, oxidation inhibitor 168 0.5kg, polyolefin elastomer POE 1.5kg in the processing aid;
(2) high-speed mixer being set, with each component that step (1) takes by weighing, putting into this high-speed mixer, is to mix 10 minutes under the 1000rmp condition at rotating speed;
(3) twin screw extruder is set, with the mixture that makes in the step (2), puts into this twin screw extruder, under 200 ℃ of temperature, rotating speed is under the condition of 400rpm, and mixture is carried out extruding pelletization, obtains nanometer composite polypropylene material.
Respectively embodiment 2 to 5 prepared low density polypropylene flame redardant nano composite materials are tested: density is pressed UL 94 standard testings according to ISO 178 standard testings, shock strength according to ISO 180 standard testings, flame retardant properties according to ISO 527-2 standard testing, flexural strength according to ISO 1183-2 standard testing, tensile strength, and the performance that the test back obtains sees Table 1.
Table 1 embodiment 2 to 5 obtained material properties
But the above only is preferable possible embodiments of the present invention, is not in order to limit to claim of the present invention, so the equivalent structure that all utilizations description of the present invention is done changes, all to be included in protection scope of the present invention.
Claims (10)
1. a low density polypropylene flame redardant nano composite material is characterized in that, it is made by following mass percent component:
Polypropylene 40-60%
Nano hydrotalcite 20-40%
Nanomete talc powder 10-20%
Processing aid 5-10%.
2. low density polypropylene flame redardant nano composite material according to claim 1 is characterized in that, described polypropylene is that melting index is the Co-polypropylene of 15-35g/10min.
3. low density polypropylene flame redardant nano composite material according to claim 1, it is characterized in that, described nano hydrotalcite is interlayer anion, is specially the hydrotalcite of one of borate ion, phosphate anion and 3-hydroxy phenyl phosphoroso-propionate ion, and its particle diameter is 20-200nm.
4. low density polypropylene flame redardant nano composite material according to claim 1 is characterized in that, described nanomete talc powder particle diameter is 200-500nm.
5. low density polypropylene flame redardant nano composite material according to claim 1, it is characterized in that, described processing aid is the composition of antioxidant 1010, oxidation inhibitor 168, toughner, and wherein the mass ratio of antioxidant 1010, oxidation inhibitor 168 and toughner is 1: 1: 3-8.
6. low density polypropylene flame redardant nano composite material according to claim 5 is characterized in that, described toughner is that melting index is 2-10g/10min thermoplastic elastomer polyolefin elastomer POE.
7. the preparation method of the described low density polypropylene flame redardant of one of claim 1～6 nano composite material is characterized in that it may further comprise the steps:
(1) take by weighing each component by following mass percent:
Polypropylene 40-60%
Nano hydrotalcite 20-40%
Nanomete talc powder 10-20%
Processing aid 5-10%;
(2) high-speed mixer is set, with each component that step (1) takes by weighing, puts into this high-speed mixer and mixed 10 minutes;
(3) twin screw extruder is set, with the mixture that makes in the step (2), puts into this twin screw extruder, under 180～200 ℃ of temperature, mixture is carried out extruding pelletization, obtain nanometer composite polypropylene material.
8. the preparation method of low density polypropylene flame redardant nano composite material according to claim 7 is characterized in that, described polypropylene is that melting index is the Co-polypropylene of 15-35g/10min; Described nano hydrotalcite is interlayer anion, is specially the hydrotalcite of one of borate ion, phosphate anion and 3-hydroxy phenyl phosphoroso-propionate ion, and its particle diameter is 20-200nm; Described nanomete talc powder particle diameter is 200-500nm; Described processing aid is the composition of antioxidant 1010, oxidation inhibitor 168, toughner, and wherein the mass ratio of antioxidant 1010, oxidation inhibitor 168 and toughner is 1: 1: 3-8; Described toughner is that melting index is 2-10g/10min thermoplastic elastomer polyolefin elastomer POE.
9. the preparation method of low density polypropylene flame redardant nano composite material according to claim 7 is characterized in that, the rotating speed of high-speed mixer is 1000rmp described in the step (2).
10. the preparation method of low density polypropylene flame redardant nano composite material according to claim 7 is characterized in that, twin screw extruder is under the condition of 400-500rpm, mixture to be carried out extruding pelletization at rotating speed in the step (3).
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN104231442A (en) * | 2014-09-29 | 2014-12-24 | 济南泰星精细化工有限公司 | Preparation method of flame-retardant borate-intercalated hydrotalcite-polypropylene compound |
| CN108727668A (en) * | 2018-06-04 | 2018-11-02 | 芜湖同达新材料科技有限公司 | A kind of composite modified halogen-free flameproof pulvis and its preparation method and application |
| CN108912444A (en) * | 2018-06-04 | 2018-11-30 | 芜湖同达新材料科技有限公司 | A kind of environment friendly halogen-free fireproof master batch and preparation method thereof |
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| CN101724198A (en) * | 2009-12-22 | 2010-06-09 | 上海大学 | Halogen-free flame-retardant and low-odor polypropylene/layered double-hydroxide nanocomposite and preparation method thereof |
| CN102532685A (en) * | 2010-12-23 | 2012-07-04 | 上海普利特复合材料股份有限公司 | Nano talcpowder modified polypropylene composite material and preparation method thereof |
| CN102888053A (en) * | 2011-07-21 | 2013-01-23 | 中国石油化工股份有限公司 | Halogen-free flame-retardant polypropylene foam material and preparation method thereof |
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- 2013-04-10 CN CN2013101238830A patent/CN103275398A/en active Pending
Patent Citations (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN101724198A (en) * | 2009-12-22 | 2010-06-09 | 上海大学 | Halogen-free flame-retardant and low-odor polypropylene/layered double-hydroxide nanocomposite and preparation method thereof |
| CN102532685A (en) * | 2010-12-23 | 2012-07-04 | 上海普利特复合材料股份有限公司 | Nano talcpowder modified polypropylene composite material and preparation method thereof |
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Cited By (3)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN104231442A (en) * | 2014-09-29 | 2014-12-24 | 济南泰星精细化工有限公司 | Preparation method of flame-retardant borate-intercalated hydrotalcite-polypropylene compound |
| CN108727668A (en) * | 2018-06-04 | 2018-11-02 | 芜湖同达新材料科技有限公司 | A kind of composite modified halogen-free flameproof pulvis and its preparation method and application |
| CN108912444A (en) * | 2018-06-04 | 2018-11-30 | 芜湖同达新材料科技有限公司 | A kind of environment friendly halogen-free fireproof master batch and preparation method thereof |
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