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High-weather-resistance light-color halogen-free flame-retardant PC/ASA alloy material and preparation method thereof

An alloy material and weather-resistant technology, which is applied in the field of high-weather-resistant light-colored halogen-free flame-retardant PC/ASA alloy materials and its preparation, can solve the problems of poor long-term weather resistance, improve weather resistance, avoid light energy damage, and flame-retardant The effect of processability

Active Publication Date: 2020-04-28
SHANGHAI CHANGWEI JINCI ENG PLASTIC
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  • Abstract
  • Description
  • Claims
  • Application Information

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Problems solved by technology

[0005] In order to solve the technical problem of poor long-term weather resistance in light-colored halogen-free flame-retardant PC / ASA alloy materials in the prior art, the purpose of the present invention is to provide a new high-weather-resistant light-color halogen-free flame-retardant PC / ASA alloy material, The material still has excellent performance retention rate, flame retardant stability and appearance effect after long-term aging

Method used

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  • High-weather-resistance light-color halogen-free flame-retardant PC/ASA alloy material and preparation method thereof
  • High-weather-resistance light-color halogen-free flame-retardant PC/ASA alloy material and preparation method thereof
  • High-weather-resistance light-color halogen-free flame-retardant PC/ASA alloy material and preparation method thereof

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Embodiment 1～10

[0054] The composition and dosage of high weather resistance light color halogen-free flame retardant PC / ASA alloy material are shown in Table 1:

[0055] According to the ratio in Table 1, each raw material component was prepared according to the following preparation method to obtain a high-weather-resistant light-colored halogen-free flame-retardant PC / ASA alloy material.

[0056] Step 1: Grind the first part of PC into 80-100 mesh PC powder;

[0057] The second step: PC powder accounting for 10% by weight of the total weight (PC powder is used to dilute the auxiliary agent, so that the dilution concentration is between 1:5 and 1:50, because the additive ratio is different, use a fixed The proportion of PC powder added to ensure the dilution concentration.), and titanium dioxide, toughening agent, flame retardant anti-dripping agent, antioxidant, mold release agent, anti-ultraviolet agent are added to the high-speed disperser at one time for ultra-high-speed mixing 10 to 1...

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Abstract

The invention discloses a high-weather-resistance light-color halogen-free flame-retardant PC / ASA alloy material. The material is prepared from the following components by weight: 600-800 parts of PC;50-250 parts of ASA; 50-150 parts of a halogen-free flame retardant; 0-50 parts of a toughening agent; 50-200 parts of titanium dioxide; 4-8 parts of a flame-retardant anti-dripping agent; 1-10 partsof an antioxidant; 1-15 parts of a release agent; and 1-20 parts of anti-ultraviolet agent. The mass ratio of the titanium dioxide in the raw materials of the high-weather-resistance light-color halogen-free flame-retardant PC / ASA alloy material is 4.7-17%. The product surface of the high-weather-resistance light-color halogen-free flame-retardant PC / ASA alloy material has a good color retentionrate, the color difference is less than 4 after illumination for 1000 hours, and due to the increase of the content of titanium dioxide, the performance of the material and the appearance of the product can be effectively protected.

Description

technical field [0001] The invention belongs to the technical field of polymer materials, and in particular relates to a highly weather-resistant light-color halogen-free flame-retardant PC / ASA alloy material for outdoor use and a preparation method thereof. Background technique [0002] Based on cost and environmental considerations, more and more outdoor engineering plastics are designed with paint-free design, such as the charging pile shell. The original design of PC, PC / ABS and other alloy materials plus spray paint can effectively solve the long-term effectiveness of the appearance and performance of the product. The paint-free design poses a challenge to the materials used, and improving the weather resistance of the materials to ensure the long-term effectiveness of the product is the key to solving the problem. [0003] ASA resin is a ternary graft copolymer composed of acrylonitrile (A), styrene (S) and acrylate (A). Due to the introduction of acrylate rubber with...

Claims

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Application Information

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IPC IPC(8): C08L69/00C08L51/04C08L27/18C08K13/02C08K3/22C08K5/523
CPCC08L69/00C08L2201/02C08L2201/22C08L2205/035C08L2205/025C08L2201/08C08K2003/2241C08L51/04C08L27/18C08K13/02C08K3/22C08K5/523
Inventor 赵志刚程方清张毅岳同健黄金华夏镭蒲伟胡同云
Owner SHANGHAI CHANGWEI JINCI ENG PLASTIC
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