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Flame-retardant PC (Polycarbonate) modified plastic

A plastic modification technology, applied in the field of flame retardant PC modified plastics, can solve the problems of high heat release rate, life safety threat, not easy to extinguish, etc., and achieve high stability, good dispersion, and good flame retardant effect

Inactive Publication Date: 2015-09-30
SUZHOU RONGCHANG COMPOUND MATERIAL
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

However, most polymers are flammable and combustible materials. When burning, the heat release rate is high, the calorific value is high, the flame spreads fast, and it is not easy to extinguish. Life safety poses a huge threat

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0037] Weigh the following substances in proportion: 70 parts of polycarbonate, 1 part of dioctyl phthalate, 0.6 parts of lubricant stearyl alcohol-1, 0.5 parts of light calcium carbonate, 1 part of nano-aluminum hydroxide, and 1 part of nano-hydrogen 1 part of magnesium oxide, 0.5 part of diammonium phosphate, a mixture of lanthanum stearate, β-diketone and epoxidized soybean oil in a ratio of 1:1:2 by mass, stirred evenly, and processed by a twin-screw extruder The temperature is 200°C, and the rotational speed of the main machine is 50 rpm; after extrusion, the strands are cooled, air-dried and pelletized to prepare the flame-retardant PC modified plastic of the present invention.

Embodiment 2

[0039] Weigh the following substances in proportion: 80 parts of polycarbonate, 10 parts of dioctyl phthalate, 1 part of lubricant stearyl alcohol, 1 part of light calcium carbonate, 2 parts of nano aluminum hydroxide, nano hydrogen 5 parts of magnesium oxide, 1 part of diammonium phosphate, a mixture of lanthanum stearate, β-diketone and epoxidized soybean oil in a mass ratio of 1:1:2, stirred evenly, processed by a twin-screw extruder The temperature is 250°C, the rotation speed of the main machine is 30rpm; after extrusion, the strands are cooled, air-dried and pelletized to prepare the flame-retardant PC modified plastic of the present invention.

Embodiment 3

[0041] Weigh the following substances in proportion: 70~80 parts of polycarbonate, 1~10 parts of dioctyl phthalate, 0.6~1 part of lubricant stearyl alcohol-1, 0.5~1 part of light calcium carbonate, nano 1-2 parts of aluminum hydroxide, 1-5 parts of nano-magnesium hydroxide, 0.5-1 part of diammonium phosphate, lanthanum stearate, β-diketone and epoxy soybean oil in a mass ratio of 1:1:2 The mixed mixture is stirred evenly, the processing temperature of the twin-screw extruder is 280° C., and the rotation speed of the main machine is 80 rpm; after extrusion, the strands are cooled, air-dried and pelletized, and the flame-retardant PC modified plastic of the present invention is prepared.

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PUM

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Abstract

The invention discloses flame-retardant PC (Polycarbonate) modified plastic which is characterized by comprising the following substances by weight: 70 to 80 parts of PC, 1 to 10 parts of a plasticizing agent, 0.6 to 1 part of lubricant, 0.5 to 1 part of light calcium carbonate, 1 to 2 parts of nano aluminum hydroxide, 1 to 5 parts of nano magnesium hydroxide, and 0.5 to 1 part of di-ammonium phosphate. The flame-retardant PC modified plastic has the characteristics that the addition amount of a fire retarding agent is small; the flame-retardant effect, the stability and the dispersity are high.

Description

technical field [0001] The invention belongs to the technical field of modified plastics, in particular to a flame-retardant PC modified plastic. Background technique [0002] In recent decades, plastics, rubber, synthetic fibers and other polymer materials and their products have developed vigorously. They are rapidly replacing traditional steel, metal, cement, wood, cotton and other natural polymers, and are widely used in industry and agriculture. , military and other sectors of the national economy. They have improved people's lives and have become necessary for people. In 2000, the production volume of plastic reached 170 million tons, and its volume greatly exceeded the volume of steel produced in the same year. However, most polymers are flammable and combustible materials. When burning, the heat release rate is high, the calorific value is high, the flame spreads fast, and it is not easy to extinguish. Life safety poses a huge threat. Therefore, how to improve t...

Claims

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Application Information

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IPC IPC(8): C08L69/00C08K13/02C08K3/26C08K3/22C08K3/32C08K5/12C08K5/03
CPCC08L69/00B29B9/06B29C48/92B29C2948/9258B29C2948/92704C08K2201/011C08L2201/02C08L91/00C08K13/02C08K2003/265C08K2003/2227C08K2003/2224C08K2003/322C08K5/12
Inventor 资于明朱正华黄仁军
Owner SUZHOU RONGCHANG COMPOUND MATERIAL