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Halogen-free flame retardant polycarbonate/glass fiber (PC/GF) composite material for electric meter shell

A technology of electric meter shell and composite material, applied in the field of plastic modification, can solve the problems of high cost, difficult to meet the requirements of strength, poor flame retardancy, etc., to achieve high flame retardancy, high cost performance and safety, and improved safety. Effect

Inactive Publication Date: 2014-04-09
QINGDAO DADU NEW MATERIAL TECH
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AI Technical Summary

Problems solved by technology

[0003] Although PC is widely used in the field of electronic appliances, its strength is difficult to meet the requirements, and the flame retardancy of PC reinforced with glass fiber is poor. Chinese invention patent application CN 102219990 A discloses a polycarbonate composite material and its preparation method , which uses bromine-containing flame retardants to improve flame retardancy, which is costly and not environmentally friendly

Method used

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Embodiment Construction

[0012] The present invention will be described in detail below in combination with embodiments.

[0013] The technical solution of this embodiment is: a halogen-free flame-retardant PC / GF composite material for an electric meter housing, which consists of the following components in parts by mass: PC 75-90, glass fiber 8-15, toughening agent 2-4 , coupling agent 0.3-0.5, antioxidant 0.1-0.3, halogen-free flame retardant 1-3, anti-dripping agent 0.1-0.4, composite floating fiber remover 0.8-1.2.

[0014] Wherein, the main component of the halogen-free flame retardant is organosilicon sulfonate.

[0015] Wherein, the toughening agent is a silicone cold-resistant and weather-resistant toughening agent.

[0016] Wherein, the toughening agent has a core-shell structure, the material of the core structure is silicone composite acrylic acid, and the material of the shell structure is methyl methacrylate.

[0017] The preparation method of any one of the above-mentioned halogen...

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Abstract

The invention belongs to the technical field of plastic modification, and particularly relates to a halogen-free flame retardant polycarbonate / glass fiber (PC / GF) composite material for an electric meter shell. The material comprises the following components in parts by mass: 75-90 parts of PC, 8-15 parts of glass fibers, 2-4 parts of flexibilizer, 0.3-0.5 part of coupling agent, 0.1-0.3 part of antioxidant,1-3 parts of halogen-free flame retardant, 0.1-0.4 part of anti-dripping agent, and 0.8-1.2 parts of composite floating fiber curing agent. The preparation method comprises the steps of mixing, extruding and pelletizing. By adopting the material provided by the invention, the cost performance and the safety of a product can be improved, and the material can be widely applied to the electric meter shell.

Description

technical field [0001] The invention belongs to the technical field of plastic modification, and in particular relates to a halogen-free flame-retardant PC / GF composite material for electric meter shells. Background technique [0002] PC has excellent performance and is widely used, especially with outstanding impact resistance, transparency and dimensional stability, excellent mechanical strength and electrical insulation, widely used in electronics, electrical, machinery, automobiles, aerospace, construction and Household goods and other fields. [0003] Although PC is widely used in the field of electronic appliances, its strength is difficult to meet the requirements, and the flame retardancy of PC reinforced with glass fiber is poor. Chinese invention patent application CN 102219990 A discloses a polycarbonate composite material and its preparation method , which uses bromine-containing flame retardants to improve flame retardancy, which is costly and not environme...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L69/00C08L51/00C08K13/04C08K7/14C08K5/548
Inventor 赵成方
Owner QINGDAO DADU NEW MATERIAL TECH
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