Novel anti-flaming anti-static electricity polypropylene dedicated material and preparation method thereof

A flame-retardant, anti-static, polypropylene technology, applied in the field of polypropylene modified materials and their preparation, can solve the problem of high surface resistivity of flame-retardant and anti-static polypropylene materials, inability to have both flame-retardant properties and anti-static properties, and no Reaching the range of anti-static body and other issues, achieving the effects of excellent anti-static performance, improved mechanical strength, and reduced surface resistivity

Inactive Publication Date: 2010-06-16
ZHEJIANG UNIV OF TECH
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

It can be seen from the above that either the surface resistivity of the prepared flame-retardant and antistatic polypropylene material is too large, which does not reach the range of antistatic materials, or the content of antistatic additives required to be added is too high, and the flame-retardant and antistatic properties are incompatible. often can not have both

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0030] According to the following mass percentages, the compound flame retardant made of bromocyclohexane and antimony trioxide (2:1): 30%; polypropylene: 54%; talcum powder: 12%; in a high-speed mixer Mix for 3 to 5 minutes, then meter the mixture and 4% conductive carbon black into the twin-screw extruder in sections, mix and extrude the pellets in the twin-screw extruder, the barrel temperature is 180°C, 185°C, 190°C °C, 195 °C, 200 °C. Then it is injection molded on an injection molding machine to make a standard test sample, and the injection temperature is 180°C, 190°C, 200°C, 210°C. And in accordance with the vertical burning test standard GB / T2048-1996, the plastic tensile test standard GB / T1040-1992, the plastic bending test standard GB / T 9341-2000 and the plastic impact test standard GB / T 1843-1996 to determine the properties of the material, the surface Resistivity was measured with an American ACL-800 surface resistivity meter.

[0031] The performance of the fla...

Embodiment 2

[0033] The compound flame retardant made by compounding ammonium polyphosphate and melamine (3:1) according to the following mass percentage: 30%; polypropylene: 56%; talcum powder: 6%; mix in a high-speed mixer for 3 to 5 minutes , and then the mixture and 8% conductive carbon black are metered into the twin-screw extruder, mixed and extruded into pellets in the twin-screw extruder, the barrel temperature is 180 ° C, 185 ° C, 190 ° C, 195 ° C, 200°C. Then it is injection molded on an injection molding machine to make a standard test sample, and the injection temperature is 180°C, 190°C, 200°C, 210°C. And in accordance with the vertical burning test standard GB / T2048-1996, the plastic tensile test standard GB / T1040-1992, the plastic bending test standard GB / T 9341-2000 and the plastic impact test standard GB / T 1843-1996 to determine the properties of the material, the surface Resistivity was measured with an American ACL-800 surface resistivity meter.

[0034] The performanc...

Embodiment 3

[0036] According to the following mass percentages, ammonium polyphosphate and magnesium hydroxide (1:1) are compounded into a compound flame retardant: 30%; polypropylene: 47%; talcum powder: 15%; mix in a high-speed mixer for 3- 5 minutes, then the mixture and 8% conductive carbon black were metered into the twin-screw extruder in stages, mixed and extruded in the twin-screw extruder for granulation, and the barrel temperature was 180°C, 185°C, 190°C, 195°C °C, 200 °C. Then it is injection molded on an injection molding machine to make a standard test sample, and the injection temperature is 180°C, 190°C, 200°C, 210°C. And in accordance with the vertical burning test standard GB / T2048-1996, the plastic tensile test standard GB / T1040-1992, the plastic bending test standard GB / T 9341-2000 and the plastic impact test standard GB / T 1843-1996 to determine the properties of the material, the surface Resistivity was measured with an American ACL-800 surface resistivity meter.

[...

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Abstract

The invention discloses a novel anti-flaming anti-static electricity polypropylene dedicated material and a preparation method thereof; the dedicated material is prepared by the following raw materials by mass percentage: 40-70 percent of polypropylene resin or polypropylene/ nylon alloy or polypropylene/nylon/PP-g-MAH, 20-40 percent of formulated fire retardant, 4-10 percent of electric-conduction fillers, and 6-15 percent of inorganic fillers; the formulated fire retardant is formulated by several kinds of compound A, compound B, ammonium polyphosphate, tetramethylolmethane, magnesium hydroxide, aluminium hydroxide and tripolycyanamide, the compound A is bromocyclohexane or hexabromocyclododecane, the compound B is antimony trioxide or antimony pentoxide; the inorganic filler adopts montmorillonoid, hydrotalcite, talcum powder or attapulgite clay. The novel anti-flaming anti-static electricity polypropylene dedicated material prepared by the invention has good flame retardant property and good anti-static electricity performance, the mechanical intensity of the material is further improved after the alloy is prepared by adding the nylon, the used raw material has low cost and is environment-protection, and no melt body drops in the anti-flaming process.

Description

(1) Technical field [0001] The invention relates to flame-retardant and antistatic modification of polymers, in particular to a modified polypropylene material with excellent flame-retardant and antistatic properties and a preparation method thereof. (2) Background technology [0002] Polypropylene (PP) is one of the resins with the largest output in the world. It has many advantages such as low production cost, good comprehensive mechanical properties, non-toxic, light weight, corrosion resistance, good electrical properties, easy processing, easy recycling, and excellent comprehensive product properties. It is widely used in various industries, such as textiles, packaging, home appliances, electromechanical, transportation, construction, etc. It can make different products, such as woven products, plastic films, pipes, fibers, injection molding products, etc. With the continuous development of PP polymerization technology, the mechanical properties and smoothness of PP mat...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L23/12C08L77/02C08L77/06C08L51/06C08K5/02C08K3/22C08K3/04C08K3/32C08K5/3492C08K5/053
Inventor 王旭陈思王勇杰王晓东徐科杰瞿英俊
Owner ZHEJIANG UNIV OF TECH
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