CN103160029B - A kind of halogen-free flame-proof antistatic enhancing modified polypropylene material and preparation method thereof - Google Patents
A kind of halogen-free flame-proof antistatic enhancing modified polypropylene material and preparation method thereof Download PDFInfo
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- CN103160029B CN103160029B CN201110424974.9A CN201110424974A CN103160029B CN 103160029 B CN103160029 B CN 103160029B CN 201110424974 A CN201110424974 A CN 201110424974A CN 103160029 B CN103160029 B CN 103160029B
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Abstract
The invention belongs to technical field of polymer materials, relate to a kind of modified polypropylene material and preparation method thereof.Modified polypropylene material of the present invention is made up of the component comprising following weight part: acrylic resin 16-71.5 part, glass fibre 5-20 part, ammonium polyphosphate 5-15 part, tetramethylolmethane 2-5 part, melamine phosphoric acid salt 10-15 part, polynite 1-4 part, compatilizer 3-8 part, antistatic filler 2-15 part, oxidation inhibitor 0.2-1 part and lubricant 0.3-1 part.Halogen-free flame-proof antistatic Reinforced Polypropylene material of the present invention, also can form when there being glass with the expansion type flame retardant that rational ratio is composite that continuous print layer of charcoal realizes excellent flame retardant properties, intensity is high, the advantages such as antistatic effect is obvious.
Description
Technical field
The invention belongs to technical field of polymer materials, relate to a kind of modified polypropylene material and preparation method thereof.
Background technology
As the general-purpose plastics being widely used in daily life production every field, polypropylene has good electrical insulating property, surface has very high resistivity.These performances make polypropylene based material in use easily produce accumulation of static electricity thus cause dust suction, spark discharge lamp phenomenon.Simultaneously because polyacrylic limiting oxygen index(LOI) value only has 18, it is inflammable material.The present invention's expansion type flame retardant that rational ratio is composite also can form the excellent flame retardant properties of continuous print layer of charcoal realization when there being glass, intensity is high, the advantages such as antistatic effect is obvious.
Summary of the invention
The present invention provides a kind of halogen-free flame-proof antistatic enhancing modified polypropylene material and preparation method thereof for the defect for prior art.
Object of the present invention is achieved through the following technical solutions:
A kind of modified polypropylene material, be made up of the component comprising following weight part:
Acrylic resin 16-71.5 part,
Glass fibre 5-20 part,
Ammonium polyphosphate 5-15 part,
Tetramethylolmethane 2-5 part,
Melamine phosphoric acid salt 10-15 part,
Polynite 1-4 part,
Compatilizer 3-8 part,
Antistatic filler 2-15 part,
Oxidation inhibitor 0.2-1 part,
Lubricant 0.3-1 part.
Described acrylic resin is one or both in Co-polypropylene or homo-polypropylene.
Described glass fibre is alkali free glass fibre.
Described ammonium polyphosphate mean polymerisation degree is greater than 200.
Described polynite radius-thickness ratio is greater than 200, and layer thickness is less than 25nm.
Described compatilizer is polypropylene grafted maleic anhydride.
Described antistatic filler is graphitized carbon black.
Described oxidation inhibitor is one or more in the two octadecyl (DSTDP) of antioxidant 1010 (four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] pentaerythritol ester), irgasfos 168 (three [2.4-di-tert-butyl-phenyl] phosphorous acid ester) or thio-2 acid.
Described lubricant is one or both in calcium stearate or ethylene Stearyl Amine (EBS).
A preparation method for above-mentioned modified polypropylene material, comprises the following steps:
(1) each raw material is taken by said ratio: acrylic resin 16-71.5 part, glass fibre 5-20 part, ammonium polyphosphate 5-15 part, tetramethylolmethane 2-5 part, melamine phosphoric acid salt 10-15 part, polynite 1-4 part, compatilizer 3-8 part, antistatic filler 2-15 part, oxidation inhibitor 0.2-1 part and lubricant 0.3-1 part;
(2) in high mixer, above-mentioned raw materials is mixed, then add mixing in twin screw extruder, extrude, obtain modified polypropylene material.
In described step (2), the mixing temperature of high mixer is 40-60 DEG C, and mixing time is 5-15min; Respectively extrude in twin screw extruder that interval extrusion temperature is 175-185 DEG C respectively, 180-190 DEG C, 180-195 DEG C, 180-195 DEG C, 180-195 DEG C, 185-200 DEG C.
Compared with prior art, the present invention has following beneficial effect:
Halogen-free flame-proof antistatic Reinforced Polypropylene material of the present invention, effectively can reduce the consumption of brominated flame retardant and fire retarding synergist, reduce density and the cost of material while ensureing V-0 flame retardant rating.
Embodiment
The present invention is described in detail below in conjunction with each embodiment.
Compatilizer in following each embodiment is polypropylene grafted maleic anhydride.
Embodiment 1
(1) raw material is taken by the component in table 1 and proportioning (weight part);
(2) at 60 DEG C, at high-speed mixer and mixing 5min, mixed by above-mentioned raw materials, then add in twin screw extruder to extrude and obtain mixture, wherein forcing machine each section of extrusion temperature is set as 175 DEG C, 180 DEG C, 190 DEG C, 195 DEG C, 195 DEG C, 200 DEG C respectively.The mixture prepared is carried out performance test, and test result is in table 2.
Embodiment 2
(1) raw material is taken by the component in table 1 and proportioning (weight part);
(2) at 50 DEG C, at high-speed mixer and mixing 10min, mixed by above-mentioned raw materials, then add in twin screw extruder to extrude and obtain mixture, wherein forcing machine each section of extrusion temperature is set as 180 DEG C, 190 DEG C, 195 DEG C, 195 DEG C, 195 DEG C, 200 DEG C respectively.The mixture prepared is carried out performance test, and test result is in table 2.
Embodiment 3
(1) raw material is taken by the component in table 1 and proportioning (weight part);
(2) at 50 DEG C, high-speed mixer and mixing 15 minutes, mixed by above-mentioned raw materials, then add in twin screw extruder to extrude and obtain mixture, wherein forcing machine each section of extrusion temperature is set as 175 DEG C, 190 DEG C, 195 DEG C, 195 DEG C, 190 DEG C, 200 DEG C respectively.The mixture prepared is carried out performance test, and test result is in table 2.
Embodiment 4
(1) raw material is taken by the component in table 1 and proportioning (weight part);
(2) at 60 DEG C, high-speed mixer and mixing 15 minutes, mixed by above-mentioned raw materials, then add in twin screw extruder to extrude and obtain mixture, wherein forcing machine each section of extrusion temperature is set as 175 DEG C, 180 DEG C, 195 DEG C, 195 DEG C, 195 DEG C, 200 DEG C respectively.The mixture prepared is carried out performance test, and test result is in table 2.
Table 1 embodiment 1-4 component and proportioning (weight part)
| Component | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Co-polypropylene | 16 | 71.5 | 42.2 | 44 |
| Alkali free glass fibre | 20 | 5 | 15 | 10 |
| Ammonium polyphosphate | 15 | 5 | 10 | 12 |
| Tetramethylolmethane | 5 | 2 | 3 | 4 |
| Melamine phosphoric acid salt | 15 | 10 | 12 | 12 |
| Polynite | 4 | 1 | 2 | 3 |
| PP-g-MAH | 8 | 3 | 5 | 6 |
| Graphitized carbon black | 15 | 2 | 10 | 8 |
| EBS | 1 | 0.3 | 0.5 | 0.5 |
| Antioxidant 1010 | 0.5 | 0.1 | 0.1 | 0.2 |
| Irgasfos 168 | 0.5 | 0.1 | 0.2 | 0.3 |
Table 2 embodiment 1-4 performance test
| Test event/unit | Testing standard | Embodiment 1 | Embodiment 2 | Embodiment 3 | Embodiment 4 |
| Melt finger/g/10min | ISO 1133 | 5 | 56 | 17 | 18 |
| Tensile strength/MPa | ISO 527 | 42.3 | 24.4 | 33.8 | 36.8 |
| Flexural strength/MPa | ISO 178 | 55.5 | 28.5 | 36.1 | 38.5 |
| Modulus in flexure/MPa | ISO 178 | 4215 | 1769 | 3376 | 3503 |
| Izod notched Izod impact strength/J/M | ISO 180 | 33 | 144 | 58 | 67 |
| Density/g/cm 3 | ISO 1183 | 1.50 | 1.18 | 1.26 | 1.25 |
| Flame retardant resistance | —— | V-0 | V-2 | V-0 | V-0 |
| Surface resistivity/Ω | GB/T 1410 | 10 8 | 10 10 | 10 9 | 10 9 |
As can be seen from Table 2, according to suitable component proportion and suitable complete processing, can prepare flame-retardant and anti-static Reinforced Polypropylene material, the consumption simultaneously effectively reducing brominated flame retardant and fire retarding synergist reduces density and the cost of material.
Above-mentioned is can understand and apply the invention for ease of those skilled in the art to the description of embodiment.Person skilled in the art obviously easily can make various amendment to these embodiments, and General Principle described herein is applied in other embodiments and need not through performing creative labour.Therefore, the invention is not restricted to embodiment here, those skilled in the art, according to announcement of the present invention, do not depart from improvement that scope makes and amendment all should within protection scope of the present invention.
Claims (9)
1. a polypropylene material, is characterized in that: be made up of the component comprising following weight part:
Described antistatic filler is graphitized carbon black;
Described lubricant is ethylene Stearyl Amine.
2. polypropylene material according to claim 1, is characterized in that: described acrylic resin is one or both in Co-polypropylene or homo-polypropylene.
3. polypropylene material according to claim 1, is characterized in that: described glass fibre is alkali free glass fibre.
4. polypropylene material according to claim 1, is characterized in that: described ammonium polyphosphate mean polymerisation degree is greater than 200.
5. polypropylene material according to claim 1, is characterized in that: described polynite radius-thickness ratio is greater than 200, and layer thickness is less than 25nm.
6. polypropylene material according to claim 1, is characterized in that: described compatilizer is polypropylene grafted maleic anhydride.
7. polypropylene material according to claim 1, it is characterized in that: described oxidation inhibitor is four [β-(3,5-di-tert-butyl-hydroxy phenyl) propionic acid] one or more in the two octadecyl of pentaerythritol ester, three [2,4-di-tert-butyl-phenyl] phosphorous acid esters or thio-2 acid.
8. the preparation method of arbitrary described polypropylene material in the claims 1-7, is characterized in that: comprise the following steps:
(1) each raw material is taken: acrylic resin 16-44 part, glass fibre 5-20 part, ammonium polyphosphate 5-15 part, tetramethylolmethane 2-5 part, melamine phosphoric acid salt 10-15 part, polynite 3-4 part, compatilizer 3-8 part, antistatic filler 2-15 part, oxidation inhibitor 0.2-1 part and lubricant 0.3-1 part;
(2) in high mixer, above-mentioned raw materials is mixed, then add mixing in twin screw extruder, extrude, obtain modified polypropylene material.
9. preparation method according to claim 8, is characterized in that: in described step (2), the mixing temperature of high mixer is 40-60 DEG C, and mixing time is 5-15min; Respectively extrude in twin screw extruder that interval extrusion temperature is 175-185 DEG C respectively, 180-190 DEG C, 180-195 DEG C, 180-195 DEG C, 180-195 DEG C, 185-200 DEG C.
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| CN108530749A (en) * | 2018-04-17 | 2018-09-14 | 淄博众恒塑业有限公司 | A kind of anti-electrostatic fire retardant polypropylene mining pipes PP Pipe Compound and preparation process |
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| CN1765972A (en) * | 2004-10-29 | 2006-05-03 | 上海日之升新技术发展有限公司 | Halogen-free flame-proof antistatic modified polypropylene composition useable in electric appliance casing |
| CN101020774A (en) * | 2006-12-11 | 2007-08-22 | 杭州鸿雁电器有限公司 | Environment friendly fireproof composite polypropylene material and its prepn process |
| CN101293984A (en) * | 2007-04-28 | 2008-10-29 | 中国石油化工股份有限公司 | Expanded carbon flame-proof polypropelene composition and preparation method thereof |
| CN101928430A (en) * | 2010-10-14 | 2010-12-29 | 北京东方绿达科技发展有限责任公司 | Novel flame redundant material and preparation method thereof |
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Patent Citations (4)
| Publication number | Priority date | Publication date | Assignee | Title |
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| CN1765972A (en) * | 2004-10-29 | 2006-05-03 | 上海日之升新技术发展有限公司 | Halogen-free flame-proof antistatic modified polypropylene composition useable in electric appliance casing |
| CN101020774A (en) * | 2006-12-11 | 2007-08-22 | 杭州鸿雁电器有限公司 | Environment friendly fireproof composite polypropylene material and its prepn process |
| CN101293984A (en) * | 2007-04-28 | 2008-10-29 | 中国石油化工股份有限公司 | Expanded carbon flame-proof polypropelene composition and preparation method thereof |
| CN101928430A (en) * | 2010-10-14 | 2010-12-29 | 北京东方绿达科技发展有限责任公司 | Novel flame redundant material and preparation method thereof |
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| MPP/PER/APP阻燃PP的阻燃及热裂解行为;欧育湘 等;《化工进展》;20040830;第23卷(第8期);第857-860页 * |
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