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Halogen-free flame-retardant PC (polycarbonate)/GF (glass fiber) composite material for housing of electric meter and preparation method thereof

A technology of electric meter casing and composite materials, which is applied in the field of plastic modification, can solve the problems of high cost, poor flame retardancy, and difficulty in meeting the strength requirements, and achieve high flame retardancy, improved safety, cost-effectiveness and high safety. Effect

Inactive Publication Date: 2014-04-23
QINGDAO DADU NEW MATERIAL TECH
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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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  • Halogen-free flame-retardant PC (polycarbonate)/GF (glass fiber) composite material for housing of electric meter and preparation method thereof

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Embodiment Construction

[0015] The present invention will be described in detail below in combination with embodiments.

[0016] The technical solution of this embodiment is: a halogen-free flame-retardant PC / GF composite material for an electric meter housing, which is composed of the following components in mass percentage: PC 75%-90%, glass fiber 8%-15%, toughened 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 elimination Agent 0.8%-1.2%.

[0017] Wherein, the main component of the halogen-free flame retardant is organosilicon sulfonate.

[0018] Wherein, the toughening agent is a silicone cold-resistant and weather-resistant toughening agent.

[0019] 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.

[0020] The preparation method of any one ...

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Abstract

The invention belongs to the technical field of plastic modification and particularly relates to a halogen-free flame-retardant PC (polycarbonate) / GF (glass fiber) composite material for a housing of an electric meter and a preparation method thereof. The material comprises the following components in percentage by weight: 75-90% of PC, 8%-15% of glass fiber, 2%-4% of toughening agent, 0.3%-0.5% of coupling agent, 0.1%-0.3% of antioxidant, 1%-3% of halogen-free flame retardant, 0.1%-0.4% of anti-dropping agent and 0.8%-1.2% of composite floating fiber removing agent. The preparation method comprises the steps of mixing, extruding and granulating. The material provided by the invention can improve the performance-price ratio and safety of a product, and can be widely used on housings of electric meters.

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 and a preparation method thereof. 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, ...

Claims

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Application Information

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IPC IPC(8): C08L69/00C08K7/14
Inventor 赵成方
Owner QINGDAO DADU NEW MATERIAL TECH
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