CN110408119A - A kind of efficient expansion type flame-retardant polypropylene composite material and preparation method thereof - Google Patents
A kind of efficient expansion type flame-retardant polypropylene composite material and preparation method thereof Download PDFInfo
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- CN110408119A CN110408119A CN201810394213.5A CN201810394213A CN110408119A CN 110408119 A CN110408119 A CN 110408119A CN 201810394213 A CN201810394213 A CN 201810394213A CN 110408119 A CN110408119 A CN 110408119A
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- 239000003063 flame retardant Substances 0.000 title claims abstract description 55
- RNFJDJUURJAICM-UHFFFAOYSA-N 2,2,4,4,6,6-hexaphenoxy-1,3,5-triaza-2$l^{5},4$l^{5},6$l^{5}-triphosphacyclohexa-1,3,5-triene Chemical compound N=1P(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP(OC=2C=CC=CC=2)(OC=2C=CC=CC=2)=NP=1(OC=1C=CC=CC=1)OC1=CC=CC=C1 RNFJDJUURJAICM-UHFFFAOYSA-N 0.000 title claims abstract description 45
- 239000004743 Polypropylene Substances 0.000 title claims abstract description 34
- -1 polypropylene Polymers 0.000 title claims abstract description 31
- 229920001155 polypropylene Polymers 0.000 title claims abstract description 31
- 239000002131 composite material Substances 0.000 title claims abstract description 22
- 238000002360 preparation method Methods 0.000 title claims abstract description 9
- 239000003963 antioxidant agent Substances 0.000 claims abstract description 14
- 230000003078 antioxidant effect Effects 0.000 claims abstract description 14
- 239000002905 metal composite material Substances 0.000 claims abstract description 14
- 239000002270 dispersing agent Substances 0.000 claims abstract description 13
- 239000000463 material Substances 0.000 claims abstract description 9
- 239000000314 lubricant Substances 0.000 claims abstract description 7
- WMWLMWRWZQELOS-UHFFFAOYSA-N bismuth(III) oxide Inorganic materials O=[Bi]O[Bi]=O WMWLMWRWZQELOS-UHFFFAOYSA-N 0.000 claims description 12
- 239000000203 mixture Substances 0.000 claims description 7
- 238000002156 mixing Methods 0.000 claims description 6
- 239000003795 chemical substances by application Substances 0.000 claims description 5
- CJZGTCYPCWQAJB-UHFFFAOYSA-L calcium stearate Chemical compound [Ca+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O CJZGTCYPCWQAJB-UHFFFAOYSA-L 0.000 claims description 4
- BGYHLZZASRKEJE-UHFFFAOYSA-N [3-[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxy]-2,2-bis[3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoyloxymethyl]propyl] 3-(3,5-ditert-butyl-4-hydroxyphenyl)propanoate Chemical compound CC(C)(C)C1=C(O)C(C(C)(C)C)=CC(CCC(=O)OCC(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)(COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)COC(=O)CCC=2C=C(C(O)=C(C=2)C(C)(C)C)C(C)(C)C)=C1 BGYHLZZASRKEJE-UHFFFAOYSA-N 0.000 claims description 3
- 239000008116 calcium stearate Substances 0.000 claims description 3
- 235000013539 calcium stearate Nutrition 0.000 claims description 3
- 238000002485 combustion reaction Methods 0.000 claims description 3
- KWYUFKZDYYNOTN-UHFFFAOYSA-M potassium hydroxide Substances [OH-].[K+] KWYUFKZDYYNOTN-UHFFFAOYSA-M 0.000 claims description 3
- XOOUIPVCVHRTMJ-UHFFFAOYSA-L zinc stearate Chemical compound [Zn+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O XOOUIPVCVHRTMJ-UHFFFAOYSA-L 0.000 claims description 3
- AGXUVMPSUKZYDT-UHFFFAOYSA-L barium(2+);octadecanoate Chemical compound [Ba+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O AGXUVMPSUKZYDT-UHFFFAOYSA-L 0.000 claims description 2
- 229920001577 copolymer Polymers 0.000 claims description 2
- UQLDLKMNUJERMK-UHFFFAOYSA-L di(octadecanoyloxy)lead Chemical compound [Pb+2].CCCCCCCCCCCCCCCCCC([O-])=O.CCCCCCCCCCCCCCCCCC([O-])=O UQLDLKMNUJERMK-UHFFFAOYSA-L 0.000 claims description 2
- 238000001125 extrusion Methods 0.000 claims description 2
- 238000001746 injection moulding Methods 0.000 claims description 2
- 238000005461 lubrication Methods 0.000 claims description 2
- 238000000034 method Methods 0.000 claims description 2
- RKISUIUJZGSLEV-UHFFFAOYSA-N n-[2-(octadecanoylamino)ethyl]octadecanamide Chemical compound CCCCCCCCCCCCCCCCCC(=O)NCCNC(=O)CCCCCCCCCCCCCCCCC RKISUIUJZGSLEV-UHFFFAOYSA-N 0.000 claims description 2
- 229920005629 polypropylene homopolymer Polymers 0.000 claims description 2
- 229920001296 polysiloxane Polymers 0.000 claims description 2
- TXQVDVNAKHFQPP-UHFFFAOYSA-N [3-hydroxy-2,2-bis(hydroxymethyl)propyl] octadecanoate Chemical compound CCCCCCCCCCCCCCCCCC(=O)OCC(CO)(CO)CO TXQVDVNAKHFQPP-UHFFFAOYSA-N 0.000 claims 1
- 239000006185 dispersion Substances 0.000 claims 1
- 229910044991 metal oxide Inorganic materials 0.000 claims 1
- 150000004706 metal oxides Chemical class 0.000 claims 1
- QVGXLLKOCUKJST-UHFFFAOYSA-N atomic oxygen Chemical compound [O] QVGXLLKOCUKJST-UHFFFAOYSA-N 0.000 abstract description 6
- 230000000694 effects Effects 0.000 abstract description 6
- 229910052760 oxygen Inorganic materials 0.000 abstract description 6
- 239000001301 oxygen Substances 0.000 abstract description 6
- 238000001816 cooling Methods 0.000 description 5
- 238000005453 pelletization Methods 0.000 description 5
- XLYOFNOQVPJJNP-UHFFFAOYSA-N water Substances O XLYOFNOQVPJJNP-UHFFFAOYSA-N 0.000 description 5
- 239000003610 charcoal Substances 0.000 description 4
- 239000000243 solution Substances 0.000 description 4
- 230000000052 comparative effect Effects 0.000 description 3
- 239000007789 gas Substances 0.000 description 2
- 229910052736 halogen Inorganic materials 0.000 description 2
- 150000002367 halogens Chemical class 0.000 description 2
- 229910052751 metal Inorganic materials 0.000 description 2
- 239000002184 metal Substances 0.000 description 2
- 230000003647 oxidation Effects 0.000 description 2
- 238000007254 oxidation reaction Methods 0.000 description 2
- 230000000979 retarding effect Effects 0.000 description 2
- 230000002195 synergetic effect Effects 0.000 description 2
- 229920006305 unsaturated polyester Polymers 0.000 description 2
- 241000208340 Araliaceae Species 0.000 description 1
- DJOWTWWHMWQATC-KYHIUUMWSA-N Karpoxanthin Natural products CC(=C/C=C/C=C(C)/C=C/C=C(C)/C=C/C1(O)C(C)(C)CC(O)CC1(C)O)C=CC=C(/C)C=CC2=C(C)CC(O)CC2(C)C DJOWTWWHMWQATC-KYHIUUMWSA-N 0.000 description 1
- 229910001051 Magnalium Inorganic materials 0.000 description 1
- 235000005035 Panax pseudoginseng ssp. pseudoginseng Nutrition 0.000 description 1
- 235000003140 Panax quinquefolius Nutrition 0.000 description 1
- OAICVXFJPJFONN-UHFFFAOYSA-N Phosphorus Chemical compound [P] OAICVXFJPJFONN-UHFFFAOYSA-N 0.000 description 1
- 239000002253 acid Substances 0.000 description 1
- 230000002378 acidificating effect Effects 0.000 description 1
- 239000000654 additive Substances 0.000 description 1
- 230000000996 additive effect Effects 0.000 description 1
- 150000001336 alkenes Chemical class 0.000 description 1
- TZCXTZWJZNENPQ-UHFFFAOYSA-L barium sulfate Chemical class [Ba+2].[O-]S([O-])(=O)=O TZCXTZWJZNENPQ-UHFFFAOYSA-L 0.000 description 1
- 230000004888 barrier function Effects 0.000 description 1
- 230000015572 biosynthetic process Effects 0.000 description 1
- 235000019504 cigarettes Nutrition 0.000 description 1
- 238000013329 compounding Methods 0.000 description 1
- 150000001875 compounds Chemical class 0.000 description 1
- 238000004132 cross linking Methods 0.000 description 1
- 238000005034 decoration Methods 0.000 description 1
- 230000018044 dehydration Effects 0.000 description 1
- 238000006297 dehydration reaction Methods 0.000 description 1
- 230000007613 environmental effect Effects 0.000 description 1
- 239000000945 filler Substances 0.000 description 1
- 239000002737 fuel gas Substances 0.000 description 1
- 235000008434 ginseng Nutrition 0.000 description 1
- 230000002401 inhibitory effect Effects 0.000 description 1
- 150000002500 ions Chemical class 0.000 description 1
- 238000002955 isolation Methods 0.000 description 1
- 238000004519 manufacturing process Methods 0.000 description 1
- 239000011159 matrix material Substances 0.000 description 1
- 231100000252 nontoxic Toxicity 0.000 description 1
- 230000003000 nontoxic effect Effects 0.000 description 1
- QIQXTHQIDYTFRH-UHFFFAOYSA-N octadecanoic acid Chemical compound CCCCCCCCCCCCCCCCCC(O)=O QIQXTHQIDYTFRH-UHFFFAOYSA-N 0.000 description 1
- 229910052698 phosphorus Inorganic materials 0.000 description 1
- 239000011574 phosphorus Substances 0.000 description 1
- 229920000642 polymer Polymers 0.000 description 1
- 239000000779 smoke Substances 0.000 description 1
- 239000000126 substance Substances 0.000 description 1
- 238000010998 test method Methods 0.000 description 1
- YLQBMQCUIZJEEH-UHFFFAOYSA-N tetrahydrofuran Natural products C=1C=COC=1 YLQBMQCUIZJEEH-UHFFFAOYSA-N 0.000 description 1
- 231100000331 toxic Toxicity 0.000 description 1
- 230000002588 toxic effect Effects 0.000 description 1
Classifications
-
- 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
-
- 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
-
- 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
- C08K3/20—Oxides; Hydroxides
- C08K3/22—Oxides; Hydroxides of metals
- C08K2003/2217—Oxides; Hydroxides of metals of magnesium
- C08K2003/222—Magnesia, i.e. magnesium oxide
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/02—Flame or fire retardant/resistant
Landscapes
- 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)
Abstract
The invention discloses a kind of efficient expansion type flame-retardant polypropylene composite materials and preparation method thereof, it is mixed by 65-85 parts of polypropylene, 10-20 parts of expansion type flame retardant, 3-10 parts of metal composite oxide, 0.1-0.5 parts of dispersant with high efficiency, 0.1-0.5 parts of antioxidant, 0.1-0.5 parts of lubricant, is squeezed out and be prepared.The present invention utilizes expansion type flame retardant and metal composite oxide, ensure that anti-flammability, the anti-dripping melt of material；Meanwhile the oxygen index (OI) of material is improved, guarantee the flame retardant effect of material, reduces influence of the fire retardant to material property.Finally obtain the efficient expansion type polypropylene flame redardant product of high comprehensive performance.
Description
Technical field
The invention belongs to technical field of polymer composite materials, and in particular to a kind of efficient expansion type polypropylene flame redardant is compound
Material and preparation method thereof.
Technical background
Polypropylene is widely used with its excellent cost performance in fields such as the daily, electronic apparatus of household, however
The inflammable performance of polypropylene hinders it in the application in certain fields.It is polyacrylic inflammable to solve the problems, such as, it is industrial at present main
It to be achieved the goal using fire retardant is added in polypropylene matrix.There are many existing fire retardant type, wherein halogenated flame retardant
The very high but halogen flame retardant composite material of flame retarding efficiency can release toxic, corrosive gas in burning, to the mankind and ring
There is very big hidden danger in border；The inorganic fire retardantss such as magnalium have smoke-inhibiting flame retardant and filler multi-functional, but flame retarding efficiency is lower, need
It can be only achieved preferable flame retardant effect under high additive amount, the serious physical mechanical property for damaging unsaturated polyester (UP)；The resistance of phosphorus system
Combustion agent is concerned by people because of its low cigarette, nontoxic environmental protection characteristic.
So Halogen based flame retardant comes into being, wherein expansion type flame retardant is a kind of novel flame-retardant system, by acid source,
Charcoal source, gas source etc. act in many ways, improve the flame retardant property of system.However expansion type flame retardant comes compared to halogen-sb system fire retardant
It says, flame retardant effect is slightly lower, so needing to improve its flame retardant effect.
Summary of the invention
The present invention aiming at the problems existing in the prior art, provides a kind of suitable for industrialized mass production efficient expansion type
Flame-retardant polypropylene composite material and preparation method thereof.
In order to achieve the above object, the present invention is realized by following technical proposal:
A kind of efficient expansion type flame-retardant polypropylene composite material, the material are made by weight of following components: polypropylene
65-85 parts, 10-20 parts of expansion type flame retardant, 3-10 parts of metal composite oxide, 0.1-0.5 parts of dispersant with high efficiency, antioxidant
0.1-0.5 parts, 0.1-0.5 parts of lubricant.
Further scheme, the polypropylene are the mixing of one or more of homopolypropylene, copolymer polypropylene
Object.
The expansion type flame retardant is universal PP expansion type flame retardant.
The metal composite oxide is Bi2O3It is in mass ratio that 2:1~4:1 is compounded with MgO, wherein Bi2O3With
The partial size of MgO is respectively less than 50nm.
The dispersant with high efficiency is silicone dispersing agent E525 or P121.
The antioxidant is the mixing of one or more of antioxidant 1010, antioxidant 1330, irgasfos 168
Object.
The lubricant is ethylene bis stearamide, zinc stearate, lead stearate, barium stearate, calcium stearate or season
At least one of penta tetrol stearate.
Another goal of the invention of the invention is to provide a kind of system of above-mentioned efficient expansion type flame-retardant polypropylene composite material
Preparation Method by polypropylene, modified barium sulphate, expansion type flame retardant, metal composite oxide, dispersant with high efficiency, resists by weight
It is uniform that high-speed mixer and mixing is added in oxygen agent and lubricant together；Then it feeds the mixture into extruder, squeezed out through melt blending,
Traction is granulated, obtained by injection molding.
Further scheme, the extruder are parallel dual-screw extruding machine, and draw ratio is at least 32~40, extruder
Revolving speed be 180-400 revs/min, extrusion temperature be 170-195 DEG C.
The present invention plays synergistic fire retardation to expansion type flame retardant by the way that metal composite oxide is added, wherein Bi2O3It can
So that layer of charcoal is finer and close after expanding fire retardant is burnt, while the white of one layer of enrichment can be observed in its layer of charcoal outer surface
Substance, which can play the role of preferably oxygen barrier, heat-insulated and isolation fuel gas transmitting, so as to improve intumescent resistance
Fire polyacrylic flame retardant property；And MgO reacts with the acidic materials that expansion type flame retardant discharges and generates Mg2+Ion can urge
Change crosslinking and dehydration, the formation of cross-linked network is promoted, so as to improve charcoal process is expanded into.And Bi2O3Matter is pressed with MgO
Amount is than playing optimal synergistic fire retardation to expansion type flame retardant for metal composite oxide made of 2:1~4:1 compounding.
So the present invention increases substantially poly- third by the way that metal composite oxide and expansion type flame retardant collective effect is added
The flame retardant property of alkene composite material.
In addition, being more applied to daily family by above-mentioned modified efficient expansion type flame-retardant polypropylene composite material
It occupies, electronic apparatus daily product field, more can further be extended to automobile interior decoration field.
Specific embodiment:
It is as follows that efficient expansion type flame-retardant polypropylene composite material of the invention is related to material model:
Wherein polypropylene used is PP-S700, PP-K7926；
Expansion type flame retardant used is WR01F (Suzhou An Hongtai), Doher-6000A-2 (Dongguan dongle)；
Metal composite oxide used is Bi2O3It is in mass ratio that 2:1~4:1 is compounded with MgO, wherein Bi2O3With
The partial size of MgO is respectively less than 50nm；
Antioxidant used is 1010, antioxidant 1330 and irgasfos 168；
Dispersing agent used is E525, P121；
It is with lubricator EBS, calcium stearate, zinc stearate.
The present invention is further illustrated with reference to embodiments.
Embodiment 1
Claim 65 parts of dry PP-K7926,20 parts of expansion type flame retardants, 10 parts of composition metal oxidations respectively by weight ratio
Object (Bi2O3It is 2:1), 0.1 part of antioxidant 1010,0.1 part of irgasfos 168,0.3 part of dispersing agent E525,0.2 part with MgO mass ratio
Lubricate EBS is squeezed out through extruder, pelletizing after water cooling.Wherein, the processing temperature of extruder is followed successively by by feed opening to die orifice
150 DEG C, 180 DEG C, 185 DEG C, 190 DEG C, 190 DEG C, 195 DEG C, engine speed 180rpm, vacuum degree is -0.03MPa.
Embodiment 2
Weigh 85 parts of dry PP-S700,10 parts of expansion type flame retardants, 3 parts of composition metal oxidations respectively by weight ratio
Object (Bi2O3It is 4:1), 0.1 part of antioxidant, 1330,0.1 parts of irgasfos 168s, 0.1 part of dispersing agent P121,0.5 part with MgO mass ratio
Lubricate EBS；It is squeezed out through extruder, pelletizing after water cooling.Wherein, the processing temperature of extruder is followed successively by by feed opening to die orifice
150 DEG C, 180 DEG C, 185 DEG C, 190 DEG C, 190 DEG C, 195 DEG C, engine speed 200rpm, vacuum degree is -0.05MPa.
Embodiment 3
Weigh 30 parts of dry PP-S700,40 parts of dry PP-K7926,15 parts of expansion type flame-retardings respectively by weight ratio
Agent, 10 parts of metal composite oxide (Bi2O3With MgO mass ratio be 3:1), 0.1 part of antioxidant 1010,0.2 part of irgasfos 168,
0.3 part of lubricant stearic acid calcium；It is squeezed out through extruder, pelletizing after water cooling.Wherein, the processing temperature of extruder is by feed opening to mould
Mouth is followed successively by 150 DEG C, and 180 DEG C, 185 DEG C, 190 DEG C, 190 DEG C, 195 DEG C, engine speed 350rpm, vacuum degree is-
0.05MPa。
Embodiment 4
Claim 70 parts of dry PP-S700,20 parts of expansion type flame retardants, 5 parts of metal composite oxides respectively by weight ratio
(Bi2O3It is 4:1) with MgO mass ratio, 0.1 part of antioxidant 1010,0.1 part of irgasfos 168,0.3 part of dispersing agent E525,0.2 part of profit
Lubrication prescription EBS, squeezes out through extruder, pelletizing after water cooling.Wherein, the processing temperature of extruder is followed successively by 150 to die orifice by feed opening
DEG C, 180 DEG C, 185 DEG C, 190 DEG C, 190 DEG C, 195 DEG C, engine speed 400rpm, vacuum degree is -0.06MPa.
Comparative example
By weight ratio respectively claim 75 parts of dry PP-S700,25 parts of expansion type flame retardants, 0.1 part of antioxidant 1010,
0.1 part of irgasfos 168,0.3 part of dispersing agent E525,0.2 part of Lubricate EBS, squeeze out, pelletizing after water cooling through extruder.Wherein, it squeezes
The processing temperature of machine is followed successively by 150 DEG C by feed opening to die orifice out, and 180 DEG C, 185 DEG C, 190 DEG C, 190 DEG C, 195 DEG C, host turns
Speed is 400rpm, and vacuum degree is -0.06MPa.
The test data of the composite material of embodiment 1-4 preparation is as shown in the table:
| Embodiment | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 | Comparative example |
| Fire-retardant rank | V-0 | V-0 | V-0 | V-0 | V-1 |
| Oxygen index (OI) | 30 | 28 | 32 | 33 | 25 |
Remarks: above fire-retardant using UL94 vertical combustion, oxygen index (OI) is tested using GB2406 test method.
It can be seen that from upper table, due to joined metal composite oxide in the present invention, so the composite material of its preparation
Anti-flammability and oxygen index (OI) get a promotion relative to comparative example.PP composite material i.e. prepared by the present invention can be according to client's need
It asks, meets the needs of its different performance, meet the flame-retardancy requirements of product, more efficiently play the effect of expansion type flame retardant.
It should be noted that the above embodiments are merely illustrative of the technical solutions of the present invention, rather than its limitations；Although ginseng
According to previous embodiment, invention is explained in detail, those skilled in the art should understand that: it still can be with
It modifies the technical solutions described in the foregoing embodiments or equivalent replacement of some of the technical features；And
These are modified or replaceed, the spirit and model of technical solution of various embodiments of the present invention that it does not separate the essence of the corresponding technical solution
It encloses.
Claims (9)
1. a kind of efficient expansion type flame-retardant polypropylene composite material, it is characterised in that: the material is made by weight by following components
At: 65-85 parts of polypropylene, 10-20 parts of expansion type flame retardant, 3-10 parts of metal composite oxide, dispersant with high efficiency 0.1-0.5
Part, 0.1-0.5 parts of antioxidant, 0.1-0.5 parts of lubricant.
2. efficient expansion type flame-retardant polypropylene composite material according to claim 1, it is characterised in that: the polypropylene is
The mixture of one or more of homopolypropylene, copolymer polypropylene.
3. efficient expansion type flame-retardant polypropylene composite material according to claim 1, it is characterised in that: the intumescent resistance
Combustion agent is commercially available PP expansion type flame retardant.
4. efficient expansion type flame-retardant polypropylene composite material according to claim 1, it is characterised in that: the composition metal
Oxide is Bi2O3It is in mass ratio that 2:1 ~ 4:1 is compounded with MgO, wherein Bi2O350nm is respectively less than with the partial size of MgO.
5. efficient expansion type flame-retardant polypropylene composite material according to claim 1, it is characterised in that: the high efficiency dispersion
Agent is silicone dispersing agent E525 or P121.
6. efficient expansion type flame-retardant polypropylene composite material according to claim 1, it is characterised in that: the antioxidant is
The mixture of one or more of antioxidant 1010, antioxidant 1330, irgasfos 168.
7. efficient expansion type flame-retardant polypropylene composite material according to claim 1, it is characterised in that: the lubricant is
In ethylene bis stearamide, zinc stearate, lead stearate, barium stearate, calcium stearate or pentaerythritol stearate at least
It is a kind of.
8. a kind of prepare the method such as the described in any item efficient expansion type flame-retardant polypropylene composite materials of claim 1-7,
It is characterized in that: by weight, by polypropylene, expansion type flame retardant, metal composite oxide, dispersant with high efficiency, antioxidant and profit
It is uniform that high-speed mixer and mixing is added in lubrication prescription together；Then it feeds the mixture into extruder, squeezes out, draws, makes through melt blending
Grain, injection molding gained.
9. preparation method according to claim 8, it is characterised in that: the extruder is parallel dual-screw extruding machine,
Its draw ratio is at least 32~40, and the revolving speed of extruder is 180-400 revs/min, and extrusion temperature is 170-195 DEG C.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201810394213.5A CN110408119A (en) | 2018-04-27 | 2018-04-27 | A kind of efficient expansion type flame-retardant polypropylene composite material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201810394213.5A CN110408119A (en) | 2018-04-27 | 2018-04-27 | A kind of efficient expansion type flame-retardant polypropylene composite material and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| WO2023141089A1 (en) * | 2022-01-18 | 2023-07-27 | Basf Se | Shaped artificial polymer articles with hybrid metal oxide particles |
Citations (2)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN101693835A (en) * | 2009-08-25 | 2010-04-14 | 太仓市华鼎塑料有限公司 | Environment-friendly polypropylene composite material with high efficiency flame retardance |
| CN106147025A (en) * | 2016-07-19 | 2016-11-23 | 张洪轻 | Flame retardant polypropylene composite material and preparation method thereof |
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2018
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Application publication date: 20191105 |