CN106560487A - Halogen-free flame-retardant polypropylene compound and preparation method thereof - Google Patents
Halogen-free flame-retardant polypropylene compound and preparation method thereof Download PDFInfo
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- CN106560487A CN106560487A CN201610012289.8A CN201610012289A CN106560487A CN 106560487 A CN106560487 A CN 106560487A CN 201610012289 A CN201610012289 A CN 201610012289A CN 106560487 A CN106560487 A CN 106560487A
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- Prior art keywords
- polypropylene
- halogen
- weight
- additive
- fire retardant
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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
-
- 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
-
- 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
- C08K3/32—Phosphorus-containing compounds
-
- 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
- C08K2003/2296—Oxides; Hydroxides of metals of zinc
-
- 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
- C08K3/32—Phosphorus-containing compounds
- C08K2003/321—Phosphates
- C08K2003/322—Ammonium phosphate
- C08K2003/323—Ammonium polyphosphate
-
- 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
-
- C—CHEMISTRY; METALLURGY
- C08—ORGANIC MACROMOLECULAR COMPOUNDS; THEIR PREPARATION OR CHEMICAL WORKING-UP; COMPOSITIONS BASED THEREON
- C08L—COMPOSITIONS OF MACROMOLECULAR COMPOUNDS
- C08L2201/00—Properties
- C08L2201/22—Halogen free composition
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- Chemical & Material Sciences (AREA)
- Health & Medical Sciences (AREA)
- Chemical Kinetics & Catalysis (AREA)
- Medicinal Chemistry (AREA)
- Polymers & Plastics (AREA)
- Organic Chemistry (AREA)
- Compositions Of Macromolecular Compounds (AREA)
Abstract
The invention relates to thermoplastics with flame retardation performance, specifically to a halogen-free flame-retardant polypropylene compound. According to a technical scheme in the invention, the halogen-free flame-retardant polypropylene compound comprises polypropylene, a fire retardant and an additive, wherein the weight of the fire retardant accounts for 20 to 24% of the weight of polypropylene and the weight of the additive accounts for 10 to 18% of the weight of polypropylene. The invention also provides a preparation method for the halogen-free flame-retardant polypropylene compound. The halogen-free flame-retardant polypropylene compound has good flame retardation effect and mechanical properties.
Description
Technical field
The present invention relates to fire proofing, and in particular to a kind of polypropylene composite of halogen-free flameproof and preparation method thereof.
Background technology
At present, the domestic main flow fire proofing of China is bromine series flame retardant material.But, with to environmental requirement more and more higher, this
Plant bromine series flame retardant material and easily produce pollution because of it, face the destiny that will be eliminated.So, it is more next according to new environmental requirement
More people begin one's study bittern-free flame-proof material, but China's country's bittern-free flame-proof material all prices are high, and preparation technology is multiple
It is miscellaneous, it is impossible to large-scale industrial application.
EUROPEAN PATENT OFFICE's EP0735119A1 open files disclose a kind of P-N type fire retardant for polyethylene, the P-N type
Addition of the fire retardant in polyethylene (PE) is 35%, and limited oxygen index (LOI) reaches V-0 levels up to 35, UL-94.But
This based flame retardant flame retardant effect in the fire proofing constituted with polyethylene is undesirable, on the other hand this based flame retardant moisture-sensitive itself
And cause the electric property of fire proofing to decline.Have for the carbon forming agent PER (pentaerythrite) in traditional IFR (fire retardant)
Easily migration, the shortcomings of work in-process can generate phosphate with APP (polyphosphoric acid amine), Liu Jun et al. (《Polymer material science with
Engineering》, 1999,15 (1):73-79) have studied nitrogenous pyrrolotriazine derivatives for carbon forming agent to PP (polypropylene) fire resistance
Impact, when APP and pyrrolotriazine derivatives are 5:When 1, the LOI values of PP are up to 33.5.Ou Yuxiang et al. (《Chemical industry is in progress》,
2004,23 (8):MPP/PER/APP ternarys IFR 857-860) be have studied to the fire-retardant of PP (polypropylene), MPP is worked as in discovery
When (Poly-o-aminophenol film) ternary IFR addition is 25%, the anti-flammability of PP reaches UL94V-0 levels, and LOI is 30.7, with three
First IFR consumptions increase, and flame retarding efficiency (EFF) is improved, and up to 30 or so.The addition of ternary IFR reduces the starting of PP
Decomposition temperature, improves in charring rate, but the thermal degradation volatile products of fire-retardant PP in addition to having the micromolecular compounds such as ammonia gas and water,
Also melamine is released, and easily causes human injury, is caused environment pollution.
The content of the invention
The present invention is high in order to solve the problems, such as environmental pollution of the prior art and cost, there is provided a kind of new halogen-free flameproof
Polypropylene composite, the present invention also provides the preparation method of the polypropylene composite.
A kind of polypropylene composite of halogen-free flameproof of the present invention, it is composed of the following components:Polypropylene, fire retardant, addition
Agent;Wherein, fire retardant weight is the 20%~24% of polypropylene weight, and additive is the 10%~18% of polypropylene weight.
The present invention another preferred version be, the preferred APP of described fire retardant (APP), melamine (MEL), season penta
One or more in tetrol (PER);
Another preferred version of the present invention is that the additive includes one or more in zinc oxide, starch.
Another preferred version of the present invention is that the polypropylene composite of the halogen-free flameproof is composed of the following components:Polypropylene,
Fire retardant, additive;Wherein, fire retardant weight for polypropylene weight 21%~23%, additive for polypropylene weight 13%~
16%.
Another preferred version of the present invention is that the polypropylene composite of the halogen-free flameproof is composed of the following components:Polypropylene,
Fire retardant, additive;Wherein, fire retardant weight is the 22% of polypropylene weight, and additive is the 15% of polypropylene weight.
The preparation method of the polypropylene composite of halogen-free flameproof of the present invention, comprises the following steps:
Polypropylene, fire retardant, additive are taken, then polypropylene fusion bag roller fire retardant is added at 175 DEG C~180 DEG C
And additive, kneading 8~15 minutes, then hot pressing 2~5 minutes at 15Mpa, 180 DEG C again, cooling and shaping is obtained final product.
The thermal weight loss experiment of the polypropylene composite of halogen-free flameproof of the present invention shows that fire retardant improves polypropylene maximum thermal weight loss speed
Rate temperature, increased thermal weight loss remnants rates;Additive can make system generate more surplus charcoal, form stable polypropylene fire retardant and protect
Shield layer of charcoal, so as to reach fire-retardant purpose.
Specific embodiment
Some preferred embodiments of the present invention presented below, to further illustrate the present invention, but protection scope of the present invention is not
It is only limitted to these embodiments.
Embodiment 1:
First add 200gPP on the double roller warm-up mill that roller temperature is 175 DEG C~180 DEG C, after melting bag roller, add 44gAPP and 30gZnO,
Mixing 8min, makes fire retardant and additive fully dispersed in PP, in 180 DEG C of vulcanizing press hot pressing 3min of 15MPa,
Again cooling and shaping 5min is obtained final product in the cold vulcanizing press of 15MPa.Thermoplastic obtained in the present embodiment its oxygen index (OI) is
34, tensile strength, bending strength, impact strength are respectively 21.27MPa, 52.25MPa, 4.83KJ/m2。
Embodiment 2:
On the double roller warm-up mill that roller temperature is 175 DEG C~180 DEG C first plus 100gPP, after melting bag roller, add 20gAPP, 2gPER,
10g starch and 2gMEL, knead 9min, after making fire retardant and additive fully dispersed in PP, in 180 DEG C put down of 15MPa
Plate vulcanizer hot pressing 3min, then the cooling and shaping 5min in the cold vulcanizing press of 15MPa.Thermoplasticity obtained in the present embodiment
Its oxygen index (OI) of plastics is 33.4, and tensile strength, bending strength, impact strength are respectively 21.56MPa, 52.87MPa, 4.99
KJ/m2。
Embodiment 3~10
Each raw material and proportioning are shown in Table 1, and from the mixing time of embodiment 3 to 10 8,10,9,9,15,11,13 are respectively,
9min, hot pressing time is respectively 2,3,3,3,5,4,3,5min, and other steps and condition are with embodiment 2.
The embodiment 3~10 of table 1
The fire resistance and mechanical property of the material of 2 embodiment of table 3~10
As seen from the above table, the polypropylene composite material obtained by the present invention has good fire-retardant and mechanical property.
Above-described embodiment is the present invention preferably embodiment, but embodiments of the present invention and is not restricted to the described embodiments,
Other any Spirit Essences without departing from the present invention and the change, modification, replacement made under principle, combine, simplification, all should
For equivalent substitute mode, it is included within protection scope of the present invention.
Claims (8)
1. a kind of polypropylene composite of halogen-free flameproof, is characterized in that, composed of the following components:Polypropylene, fire retardant, additive;Wherein, fire retardant weight is the 20%~24% of polypropylene weight, and additive is the 10%~18% of polypropylene weight.
2. the polypropylene composite of halogen-free flameproof according to claim 1, is characterized in that, fire retardant weight is the 21%~23% of polypropylene weight.
3. the polypropylene composite of halogen-free flameproof according to claim 2, is characterized in that, fire retardant weight is the 22% of polypropylene weight.
4. the polypropylene composite of halogen-free flameproof according to claim 1, is characterized in that, additive is the 13%~16% of polypropylene weight.
5. the polypropylene composite of halogen-free flameproof according to claim 4, is characterized in that, additive is the 15% of polypropylene weight.
6. according to claim 1 to 5 any one claim halogen-free flameproof polypropylene composite, it is characterized in that, one or more in the preferred APP of described fire retardant (APP), melamine (MEL), pentaerythrite (PER).
7. according to claim 1 to 5 any one claim halogen-free flameproof polypropylene composite, it is characterized in that, the additive include zinc oxide, starch in one or more.
8. the preparation method of the polypropylene composite of halogen-free flameproof described in claim 1 to 7 any one claim, is characterized in that, comprise the following steps:
Polypropylene, fire retardant, additive are taken, then by polypropylene fusion bag roller at 175 DEG C~180 DEG C, fire retardant and additive is added, 8~15 minutes are kneaded, then hot pressing 2~5 minutes at 15Mpa, 180 DEG C again, cooling and shaping is obtained final product.
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Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105885229A (en) * | 2016-05-31 | 2016-08-24 | 陈加福 | Halogen-free flame-retardant polypropylene compound and preparation method thereof |
CN107988644A (en) * | 2017-12-05 | 2018-05-04 | 安徽益邦新材料科技股份有限公司 | A kind of preparation method of fire-retardant container bag |
Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101134830A (en) * | 2007-08-24 | 2008-03-05 | 华南理工大学 | Non-bittern expanding flame-proof material and method for making same |
-
2016
- 2016-01-08 CN CN201610012289.8A patent/CN106560487A/en active Pending
Patent Citations (1)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN101134830A (en) * | 2007-08-24 | 2008-03-05 | 华南理工大学 | Non-bittern expanding flame-proof material and method for making same |
Cited By (2)
Publication number | Priority date | Publication date | Assignee | Title |
---|---|---|---|---|
CN105885229A (en) * | 2016-05-31 | 2016-08-24 | 陈加福 | Halogen-free flame-retardant polypropylene compound and preparation method thereof |
CN107988644A (en) * | 2017-12-05 | 2018-05-04 | 安徽益邦新材料科技股份有限公司 | A kind of preparation method of fire-retardant container bag |
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Application publication date: 20170412 |