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Flame-retardant PC plastic

A technology of flame retardant plastics and parts by mass, applied in the field of PC flame retardant plastics, can solve the problem of inability to provide, and achieve the effect of good flame retardant function

Inactive Publication Date: 2013-12-25
WUJIANG TIANYUAN PLASTIC
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

Mechanisms such as: protective film mechanism, otherwise gas mechanism, cooling mechanism, and termination chain reaction mechanism are given in existing textbooks. These can provide a vague direction for the selection of flame retardants, but they cannot provide real effective information. s help

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0008] Preparation of PC flame-retardant plastic: 80-86 parts by mass of PC, 7-9 parts by mass of polyimide, 5-8 parts by mass of titanium dioxide, 10-14 parts of alkylbenzenesulfonate, 5-9 parts of dimethyl Siloxane, 2-3 parts of copper oxalate, 10-15 parts by mass of magnesium hydroxide, 7-9 parts by mass of phthalic anhydride, 5-7 parts by mass of coated red phosphorus, 10-20 parts by mass of cobalt silicate and 8 - 10 parts by mass of graphite are mixed into a mixer, stirred evenly, put into a banbury mixer for banbury mixing, the banbury temperature is 140-145°C, and the rotation speed is 900-950rpm; then the banbury-mixed mixture is granulated by a granulator to obtain Granules, put the granules in a water tank to cool, and then dry at room temperature; the main properties of the material prepared in this example are as follows: tensile strength MPa (GB / T1040-2006): 30-34, elongation at break% (GB / T 1040-2006 ): 17-18; impact strength kJ / m 2 (GB / T1043-2008): 3-4; b...

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Abstract

The invention discloses a flame-retardant PC plastic. The flame-retardant PC plastic comprises the following components in parts by weight: 80-86 parts of PC, 7-9 parts of polyimide, 5-8 parts of titanium dioxide, 10-14 parts of alkyl benzene sulfonate, 5-9 parts of dimethyl siloxane, 2-3 parts of cupric oxalate, 10-15 parts of magnesium hydroxide, 7-9 parts of phthalate anhydride, 5-7 parts of coated red phosphorus, 10-20 parts of cobalt silicate and 8-10 parts of graphite. The flame-retardant PC plastic has a good flame-retardant function; an obvious flame-retardant function can be performed when a very small amount of flame-retardant PC plastic is used. The flame-retardant PC plastic does not affect the mechanical strength of a plastic product and particularly does not lower the thermal deformation temperature, the mechanical temperature and the electric insulation property of the plastic product.

Description

technical field [0001] The invention belongs to the field of polymer materials, and in particular relates to a PC flame-retardant plastic. technical background [0002] With the continuous development of science and technology and economy, daily necessities made of plastics play an increasingly important role in daily life. However, plastics are easy to burn, and the burning speed is fast, and a large amount of toxic gases will be produced. With the wide application of plastics in construction, furniture, transportation, aviation, aerospace, electrical appliances, etc., at the same time, there are countless fires caused by plastic products. The fire situation is not optimistic. Some major fire accidents occur frequently, and many of them are nylon mesh, Flammable materials such as polyurethane foam burn rapidly, causing death, injury and property damage. The vast majority of plastics are flammable substances, but in plastic construction materials, transportation materials,...

Claims

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Application Information

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IPC IPC(8): C08L69/00C08L79/08C08K13/06C08K3/22C08K5/5419C08K5/098C08K3/04C08K3/34
Inventor 肖伟荣
Owner WUJIANG TIANYUAN PLASTIC
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