CN105419081A - Environmental-protection and fire-retardant polypropylene material and preparation method thereof - Google Patents
Environmental-protection and fire-retardant polypropylene material and preparation method thereof Download PDFInfo
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Abstract
A purpose of the present invention is to provide an environmental-protection and fire-retardant polypropylene material with the characteristic of original disadvantage improving, and a preparation method thereof. Currently, the polypropylene resin is a semi-crystalline thermoplastic plastic, has excellent performances of no toxicity, light density, easy processing, chemical resistance, good electrical insulation and the like, and is widely used in daily necessities, electronic apparatuses, transportation, electrical field, building materials and other fields, but PP is a flammable material, has the oxygen index (LOI) of 17.4-18.5, and produces a lot of melting drops during burning so as to easily spread flames, such that the applications of the PP in a lot of fields are limited. With the improvement of environmental protection and health regulations, Europe, America and other developed countries have already banned the use of halogen-containing flame retardant agents, phosphorus-containing flame retardant agents and heavy-metal-containing flame retardant agents, such that the gradual replacement of the halogen-containing flame retardant agent by the non-toxic, smoke-inhibiting and environmentally-friendly halogen-free flame retardant agent becomes the mainstream. According to the present invention, the environmental-protection flame retardant performance of the environmental-protection and fire-retardant polypropylene material can be significantly improved, such that the environmental-protection and fire-retardant polypropylene material can be well applied in the fields of electronic appliances, transportation, electrical field, building materials, and the like.
Description
Technical field
The invention belongs to polypropylene material production technical field, is a kind ofly improve anti-flaming polypropylene environment-friendly materials of the original deficiency of polypropylene and preparation method thereof specifically.
Background technology
Polypropylene, English name: Polypropylene, abbreviation title PP.Its chemical formula is: (C3H6) N.
At present, acrylic resin is a kind of hemicrystalline thermoplastics.The premium properties such as have that nontoxic, density is light, easily processing, resistance to chemical attack, electrical insulating property are good, is widely used in the numerous areas such as daily living article, electronic apparatus, traffic, electromechanics and building materials.But PP belongs to inflammable material, its oxygen index (LOI) only has 17.4 ~ 18.5, produces a large amount of molten drops very easily propagating flame during burning, and this is restricted with regard to making PP application in a lot of fields.Fire-retardant to PP, the past often adopts halogen containing flame-retardant.Although this based flame retardant addition is few, flame retardant effect is remarkable, producing more smog and poisonous, corrosive gases, causing secondary pollution when burning.
Perfect along with environmental protection and health regulation, the developed country such as American-European has started to prohibit the use Halogen, phosphorus and heavy metal fire retardant at present.Halogen-free flame retardants that is nontoxic, that press down cigarette and environmental protection replaces halogen containing flame-retardant gradually will become main flow.
Summary of the invention
Anti-flaming polypropylene material that the object of this invention is to provide a kind of environmental protection, that improve original deficiency.
Another object of the present invention is to provide the preparation method of this environment-friendly flame-proof polypropylene material.
Environment-friendly flame-proof polypropylene material is made up of following weight ratio raw material:
Pp material: 50 ~ 90
Dispersed lubricant: 0.8 ~ 1.2
Oxidation inhibitor: 0.8 ~ 1.2
Diffusing oil: 0.1 ~ 0.5
Tinting material: 0.3 ~ 0.7
Anti-dripping agent: 0.8 ~ 1.2
Coupling agent: 1.0 ~ 5.0
Antimonous oxide: 4.0 ~ 8.0
Three W 4600s: 20.0:20.0
Anti-dripping agent: 0.8 ~ 1.2
Pp material of the present invention is EPS30R; Dispersion agent is TAS-2A; Diffusing oil is industrial white oil 10#; Oxidation inhibitor is secondary-butyl-p-phenylenediamine; Coupling agent: one or more the mixture in silane, titanic acid ester or phosphoric acid ester.
The preparation method of this environment-friendly flame-proof polypropylene material, comprises the following steps: first above-mentioned various raw material to be dry mixed 3-5 minute in super mixer, then be placed in twin screw extruder through melt extruding, cooling, pelletizing, packaging final prod; Wherein, twin screw extruder one district temperature is 90-100 DEG C, and 2nd district are 150-180 DEG C, and 3rd district are 200-210 DEG C, and 4th district are 200-205 DEG C; 5th district are 190-200 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
The material modified mechanical property of gained environment-friendly flame-proof polypropylene of the present invention is significantly improved and improves, and production method is easy, and material is easy to get, and cost is low, pollution-free.
Embodiment
Be described further invention below by embodiment, once embodiment is only that the present invention will be described but not is limited it.
Embodiment 1:
(1) by weight score to take each raw material respectively as follows:
Pp material (EPS30R): 70
Dispersed lubricant (TAS-2A): 1.0
Oxidation inhibitor (multipolymer of ethylene-octene): 1.0
Diffusing oil (industrial white oil 10#): 0.3
Tinting material: 0.5
Anti-dripping agent: 1.0
Titanate coupling agent: 3.0
Antimonous oxide: 6.0
Three W 4600s: 20.0:20.0
Anti-dripping agent: 1.0
(2) first above-mentioned various raw material is dry mixed 3-5 minute in super mixer, then be placed in twin screw extruder through melt extruding, cooling, pelletizing, packaging final prod; Wherein, twin screw extruder one district temperature is 90-100 DEG C, and 2nd district are 150-180 DEG C, and 3rd district are 200-210 DEG C, and 4th district are 200-205 DEG C; 5th district are 190-200 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
Experimental result:
Above-mentioned test result shows, the performance of environment-friendly flame-proof polypropylene material is significantly improved and improves, and its flame retardant rating reaches V0 rank, and all the other mechanical properties also get a promotion and improve.
Embodiment 2:
(1) by weight score to take each raw material respectively as follows:
Pp material (EPS30R): 50
Dispersed lubricant (TAS-2A): 0.8
Oxidation inhibitor (multipolymer of ethylene-octene): 0.8
Diffusing oil (industrial white oil 10#): 0.1
Tinting material: 0.3
Anti-dripping agent: 0.8
Titanate coupling agent: 1.0
Antimonous oxide: 4.0
Three W 4600s: 20.0:20.0
Anti-dripping agent: 0.8
(2) first above-mentioned various raw material is dry mixed 3-5 minute in super mixer, then be placed in twin screw extruder through melt extruding, cooling, pelletizing, packaging final prod; Wherein, twin screw extruder one district temperature is 90-100 DEG C, and 2nd district are 150-180 DEG C, and 3rd district are 200-210 DEG C, and 4th district are 200-205 DEG C; 5th district are 190-200 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
Experimental result:
Above-mentioned test result shows, the performance of environment-friendly flame-proof polypropylene material is significantly improved and improves, and reaches V0 grade.But its heat-drawn wire comparatively embodiment 1 is low.
Embodiment 3:
(1) by weight score to take each raw material respectively as follows:
Pp material (EPS30R): 90
Dispersed lubricant (TAS-2A): 1.2
Oxidation inhibitor (multipolymer of ethylene-octene): 1.2
Diffusing oil (industrial white oil 10#): 0.5
Tinting material: 0.7
Anti-dripping agent: 1.2
Titanate coupling agent: 5.0
Antimonous oxide: 8.0
Three W 4600s: 20.0:20.0
Anti-dripping agent: 1.2
(2) first above-mentioned various raw material is dry mixed 3-5 minute in super mixer, then be placed in twin screw extruder through melt extruding, cooling, pelletizing, packaging final prod; Wherein, twin screw extruder one district temperature is 90-100 DEG C, and 2nd district are 150-180 DEG C, and 3rd district are 200-210 DEG C, and 4th district are 200-205 DEG C; 5th district are 190-200 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
Experimental result:
| Characteristic parameter | Testing standard | Performance index | Test data |
| 1 density g/cm 3 | ASTM/D792 | / | 0.91 |
| 2 melting index g/10min | ASTM/D1238 | / | 5.0 |
| 3 molding shrinkage % | ASTM/D955 | / | 2.1 |
| 4 tensile strength MPa | ASTM/D638 | / | 18.0 |
| 5 elongation at break % | ASTM/D638 | / | 259.0 |
| 6 flexural strength MPa | ASTM/D790 | / | 24.5 |
| 7 modulus in flexure MPa | ASTM/D790 | / | 862.0 |
| 8 Izod notched impact strength J/m | ASTM/D256 | / | 441.0 |
| 9 heat-drawn wires DEG C | ASTM/D648 | / | 73.0 |
| 10 flame retardant ratings | UL—94 | / | V1 |
Above-mentioned test result shows, the performance of environment-friendly flame-proof polypropylene material is significantly improved and improves, but relative to the proportioning of embodiment 1 and embodiment 2, all there is certain gap in its flame retardant properties and heat-drawn wire etc.
Above-described embodiment is of the present invention illustrating, wherein embodiment (1) is optimum weight percent, is not used for limiting the present invention.Shown by above-mentioned experiment, melting index, the heat-drawn wire of the environment-friendly flame-proof polypropylene material manufactured by present method, shrinking percentage and the tensile strength etc. of becoming second nature performance obtain obvious improvement.
Environment-friendly flame-proof polypropylene material of the present invention, can overcome original deficiency, for application and the further genralrlization of polypropylene material, also makes the proud raising of electronic apparatus, traffic, electromechanics and building materials safety coefficient in use.
Claims (4)
1. an environment-friendly flame-proof polypropylene material, is characterized in that: be made up of following weight ratio raw material:
Pp material: 50 ~ 90
Dispersed lubricant: 0.8 ~ 1.2
Oxidation inhibitor: 0.8 ~ 1.2
Diffusing oil: 0.1 ~ 0.5
Tinting material: 0.3 ~ 0.7
Anti-dripping agent: 0.8 ~ 1.2
Coupling agent: 1.0 ~ 5.0
Antimonous oxide: 4.0 ~ 8.0
Three W 4600s: 20.0:20.0
Anti-dripping agent: 0.8 ~ 1.2.
2. a kind of environment-friendly flame-proof polypropylene material according to claim 1, is characterized in that: optimum weight percent raw material consists of:
Pp material: 70
Dispersed lubricant: 1.0
Oxidation inhibitor: 1.0
Diffusing oil: 0.3
Tinting material: 0.5
Anti-dripping agent: 1.0
Coupling agent: 3.0
Antimonous oxide: 6.0
Three W 4600s: 20.0:20.0
Anti-dripping agent: 1.0.
3. a kind of environment-friendly flame-proof polypropylene material according to claim 1, is characterized in that: pp material of the present invention is EPS30R; Dispersion agent is TAS-2A; Diffusing oil is industrial white oil 10#; Oxidation inhibitor is secondary-butyl-p-phenylenediamine; Coupling agent: one or more the mixture in silane, titanic acid ester or phosphoric acid ester.
4. a kind of environment-friendly flame-proof polypropylene material according to claim 1, it is characterized in that: working method is, first by claim 1 raw material composition in super mixer, be dry mixed 3-5 minute, then be placed in twin screw extruder through melt extruding, cooling, pelletizing, packaging final prod; Wherein, twin screw extruder one district temperature is 90-100 DEG C, and 2nd district are 150-180 DEG C, and 3rd district are 200-210 DEG C, and 4th district are 200-205 DEG C; 5th district are 190-200 DEG C, and the residence time is 1-2 minute, and pressure is 10-15Mpa.
Priority Applications (1)
| Application Number | Priority Date | Filing Date | Title |
|---|---|---|---|
| CN201410452810.0A CN105419081A (en) | 2014-09-05 | 2014-09-05 | Environmental-protection and fire-retardant polypropylene material and preparation method thereof |
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| Application Number | Priority Date | Filing Date | Title |
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| CN201410452810.0A CN105419081A (en) | 2014-09-05 | 2014-09-05 | Environmental-protection and fire-retardant polypropylene material and preparation method thereof |
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| CN105419081A true CN105419081A (en) | 2016-03-23 |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186864A (en) * | 2016-07-08 | 2016-12-07 | 华北水利水电大学 | A kind of Novel polypropylene fiber concrete and preparation method thereof |
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Cited By (1)
| Publication number | Priority date | Publication date | Assignee | Title |
|---|---|---|---|---|
| CN106186864A (en) * | 2016-07-08 | 2016-12-07 | 华北水利水电大学 | A kind of Novel polypropylene fiber concrete and preparation method thereof |
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Application publication date: 20160323 |