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Low-temperature-resistant, damp-heat-resistant and flame-retardant PC (polycarbonate) material for charging gun casing and preparation method of PC material

A technology of low temperature resistance and charging gun, which is applied in the field of low temperature and heat resistant and flame retardant PC materials for charging gun shells and its preparation, which can solve the problem of not considering the influence of flame retardants on the damp and heat aging performance, poor resistance to heat and humidity, and resistance to heat and humidity Poor and other problems, to achieve good photoaging ability, strong coloring ability, and good compatibility

Active Publication Date: 2018-05-18
上海日之升科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

Another example is the patent CN104419184A, which uses rubber-type chlorinated polyethylene and sulfonate-based flame retardants to prepare low-temperature flame-retardant PC materials, which also has the problem of poor moisture and heat stability.
[0005] At present, no report has been seen on the modification of pure polycarbonate resistance to heat and humidity, mainly because the structure of the PC material itself determines its poor resistance to heat and humidity, and the current research on the heat and humidity modification of PC materials is mainly concentrated in the field of PC alloys, such as patent CN104927336 A compatibilizer with ethylene oxide groups is selected to modify the PC in the non-flame retardant PC / ABS alloy to improve the moisture and heat resistance of the material, but the extremely low temperature of the material (-40 ℃, 48h) resistance and the influence of flame retardants on the hygrothermal properties of PC materials
Another example is CN106046741A, by screening ABS raw materials, first preparing ABS-toughening material, and then ABS-toughening material is blended with PC to modify and prepare moisture-heat-resistant non-flame-retardant PC / ABS alloy. This method is complex and does not consider flame retardants. Effects on the Humidity and Heat Aging Properties of Materials

Method used

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  • Low-temperature-resistant, damp-heat-resistant and flame-retardant PC (polycarbonate) material for charging gun casing and preparation method of PC material
  • Low-temperature-resistant, damp-heat-resistant and flame-retardant PC (polycarbonate) material for charging gun casing and preparation method of PC material
  • Low-temperature-resistant, damp-heat-resistant and flame-retardant PC (polycarbonate) material for charging gun casing and preparation method of PC material

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Experimental program
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Effect test

Embodiment 1-7 and comparative example 1-5

[0029] The present invention will be described in detail below in conjunction with the examples.

[0030] See Table 1 for the composition ratios of Examples 1-7 and Comparative Examples 1-5.

[0031] The PC resin adopted in Examples 1-7 and Comparative Examples 1-5 adopts Lotte Chemical PC 1070, and the melt index (300°C×1.2KG) is 7g / 10min;

[0032] The flame retardant that adopts in embodiment 1-7 and comparative example 1-5 is the BC-58 that U.S. Great Lakes Company produces;

[0033] The flame retardant synergist used in Examples 1-7 and Comparative Examples 1-5 is FCA-107 produced by U.S. Dow Corning;

[0034] The low-temperature toughening agent adopted in Examples 1-7 and Comparative Examples 1-5 is SX-005 produced by Mitsubishi Rayon in Japan;

[0035] The poly (bis (phenoxy) phosphazene) that adopts in embodiment 1-7 and comparative example 1-5 is the SPB-100 that Japan Otsuka Company produces;

[0036] The anti-dripping agent adopted in Examples 1-7 and Comparative...

Embodiment 8

[0057] The shell of the charging gun is made of low-temperature-resistant, moisture-resistant, heat-resistant, flame-retardant PC material, which is prepared from the following components and raw materials in parts by weight:

[0058] 100 parts of polycarbonate; 6 parts of flame retardant; 1 part of flame retardant synergist; 4 parts of anti-low temperature toughening agent; 1.5 parts of poly(bis(phenoxy)aphosphazene); 0.4 parts of anti-dripping agent ; 0.6 part of ultraviolet absorber; 0.5 part of antioxidant. Among them, the flame retardant used is brominated polycarbonate, the flame retardant synergist is a fluorosilicon polymer with a double hydroxyl structure, and the anti-low temperature toughening agent is a core-shell structure coated with silicon-acrylic acid type AS, and the silicon content is greater than 75wt%, the melt index of polycarbonate is 15g / 10min, the anti-dripping agent is coated PTFE, the ultraviolet absorber is 2-cyano-3'3-diphenyl acrylate pentaerythri...

Embodiment 9

[0063] The shell of the charging gun is made of low-temperature, heat-resistant, and flame-retardant PC material, which is prepared from the following components and parts by weight: 100 parts of polycarbonate; 4 parts of flame retardant; 0.5 parts of flame-retardant synergist; low-temperature toughening 3 parts of agent; 0.5 part of poly(di(phenoxy)aphosphazene); 0.2 part of anti-dripping agent; 0.3 part of ultraviolet absorber; 0.3 part of antioxidant, wherein, the flame retardant used is brominated poly Carbonate, the flame retardant synergist is a fluorosilicon polymer with a double hydroxyl structure, the anti-low temperature toughening agent is a core-shell structure coated with silicon-acrylic acid type AS, the silicon content is greater than 75wt%, and the melt index of polycarbonate is 5g / 10min, the anti-dripping agent is coated PTFE, the ultraviolet absorber is 2-cyano-3'3-diphenyl acrylate pentaerythritol ester, the antioxidant is antioxidant P-EPQ and antioxidant 1...

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Abstract

The invention relates to a low-temperature-resistant, damp-heat-resistant and flame-retardant PC (polycarbonate) material for a charging gun casing and a preparation method of the PC material. The PCmaterial is prepared from components of raw materials in parts by weight as follows: 100 parts of PC, 4-6 parts of a flame retardant, 0.5-1 part of a flame retardant synergist, 3-4 parts of a low-temperature-resistant flexibilizer, 0.5-1.5 parts of poly[nitrilo(diphenoxyphosphoranylidyne)], 0.2-0.4 parts of an anti-drip agent, 0.3-0.6 parts of an ultraviolet light absorber and 0.3-0.5 parts of anantioxidant. The raw materials are put in a high-speed mixer to be mixed, then the mixture is extruded by a double-screw extruder and granulated by a granulator, and the PC material can be obtained. The flame-retardant PC material has excellent low-temperature impact resistance, excellent damp and heat ageing resistance and excellent heat resistance, is particularly applicable to the field of thecharging gun casings used in changeable, harsh and complicated environments and has excellent safety protection capability.

Description

technical field [0001] The invention relates to the field of polymer materials, in particular to a low-temperature-resistant, humidity-resistant, heat-resistant, flame-retardant PC material for a charging gun shell and a preparation method thereof. Background technique [0002] New energy vehicles have the advantages of energy saving, environmental protection, and low noise. The state strongly supports the development of the new energy vehicle industry, which has developed rapidly. As of the end of 2016, the cumulative sales of new energy vehicles in China was about 622,000. The National Development and Reform Commission issued the "Guidelines for the Development of Electric Vehicle Charging Infrastructure 2015-2020" in 2016, pointing out that by 2020, the number of electric vehicles in the market will reach 5 million units, accounting for 15% of vehicle sales, and the proportion will increase by 3-5% every year thereafter. %. As an indispensable part of the new energy indu...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L69/00C08L83/08C08L51/00C08L27/18C08L85/02C08K5/315C08K5/134B29B9/06B29C47/92B29C48/92
CPCB29B9/06B29C48/92B29C2948/9258B29C2948/92704C08L69/00C08L2201/02C08L2201/08C08L2203/20C08L2205/02C08L2205/035C08L83/08C08L51/003C08L27/18C08L85/02C08K5/315C08K5/1345
Inventor 王尹杰王刚王锡军李鹏孟成铭陈晓东
Owner 上海日之升科技有限公司
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