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Maleimide heat resisting flame retardant resin composition containing halogen substituent and preparation

A technology of flame retardant resin and composition, applied in the field of polymer heat-resistant flame-retardant resin composition and preparation, can solve the problems of poor heat-resistant and flame-retardant performance, poor thermal stability and the like

Active Publication Date: 2009-08-12
PETROCHINA CO LTD
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0009] The above patented methods use small molecule flame retardants or small molecule halogen-containing flame retardants, there are additive migration phenomena to varying degrees, the heat resistance and flame retardancy are not good, and the alloys prepared with PVC or CPVC have poor thermal stability. Shortcomings

Method used

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  • Maleimide heat resisting flame retardant resin composition containing halogen substituent and preparation
  • Maleimide heat resisting flame retardant resin composition containing halogen substituent and preparation
  • Maleimide heat resisting flame retardant resin composition containing halogen substituent and preparation

Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0130] Mix the heat-resistant and flame-retardant resin emulsion A1 with the emulsion of ABS emulsion B1 and additives at a ratio of 20:35:0.82, and add 100 parts of the mixed emulsion continuously at 25°C until the temperature is 65°C while stirring. In the aqueous solution of 300 parts of 5 ‰ of magnesium sulfate at ℃, maintain a uniform feeding speed and finish adding within 30 to 45 minutes. After adding the emulsion, raise the temperature of the mixture to 95°C and maintain it for 1 hour before cooling down to complete the coagulation process. The condensed slurry is filtered, washed with desalted water, and then dried to form a mixture of A1 and B1. Mix 55 parts of the dried A1 and B1 mixture with 45 parts of HH and 5.80 parts of blending aid 1 in a high-speed blender. The blend can be passed through a twin-screw extruder to obtain a heat-resistant and flame-retardant resin composition product. The performance of the product is shown in Table 2.

Embodiment 2

[0132] Mix the heat-resistant and flame-retardant resin emulsion A2 with the emulsion of ABS emulsion B1 and additives at a ratio of 15:50:0.80, and add 100 parts of the mixed emulsion continuously at 30°C until the temperature is 60°C while stirring. In the aqueous solution of 100 parts of 2 ‰ of magnesium sulfate at ℃, maintain a uniform feed rate and finish adding within 30 to 45 minutes. After adding the emulsion, raise the temperature of the mixture to 97°C and maintain it for 1 hour before cooling down to complete the coagulation process. The condensed slurry is filtered and washed with desalted water, then dried and set aside. Mix 65 parts of the dried A1 and B1 mixture with 35 parts of BHF and 4.90 parts of blending aid 1 in a high-speed blender. The blend can be passed through a twin-screw extruder to obtain a heat-resistant and flame-retardant resin composition product. The performance of the product is shown in Table 2.

Embodiment 3

[0134] Mix the heat-resistant and flame-retardant resin emulsion A3 with the emulsion of ABS emulsion B1 and additives at a ratio of 35:30:1.20, and add 100 parts of the mixed emulsion continuously at 30°C until the temperature is 70°C In the aqueous solution of 500 parts of 8 ‰ of magnesium sulfate, maintain uniform feeding speed and finish adding in 30~45 minutes. After adding the emulsion, raise the temperature of the mixture to 100°C and maintain it for 1 hour before cooling down to complete the coagulation process. The condensed slurry is filtered and washed with desalted water, then dried and set aside. Mix 65 parts of the dried A1 and B1 mixture with 35 parts of HH-C300 and 5.40 parts of blending aid 1 in a high-speed blender. The blend can be passed through a twin-screw extruder to obtain a heat-resistant and flame-retardant resin composition product. The performance of the product is shown in Table 2.

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Abstract

The invention provides a halogen substituted maleimide heat-resistant flame-retardant resin composition and a preparation method thereof. The heat-resistant flame-retardant resin composition comprises the following raw materials based on 100 mass portions: 10 to 65 portions of halogen substituted maleimide heat-resistant flame-retardant resin, 30 to 55 portions of graft polymer of conjugated diolefine rubber grafted aryl ethylene unit and nitrile vinyl unit, and 5 to 35 portions of biopolymer of aryl ethylene unit and nitrile vinyl unit. The heat-resistant flame-retardant resin composition prepared by the preparation method of the halogen substituted maleimide heat-resistant flame-retardant resin composition has the advantages of flame retardance and high heat resistance, and is a heat-resistant flame-retardant material with good performance. The prepared heat-resistant flame-retardant resin can be widely used for heat-resistant flame-retardant modification of materials, such as ABS, PC, PBT and the like. As a material with excellent heat-resistant and flame-retardant performances, the resin composition can be independently used, and can also be used for preparing high heat-resistant flame-retardant parts of automobiles and home appliances.

Description

technical field [0001] The invention relates to a polymer heat-resistant and flame-retardant resin composition and a preparation method thereof, in particular to a halogen substituent maleimide heat-resistant and flame-retardant resin composition and a preparation method thereof. Background technique [0002] The free radical copolymer of maleimide monomers with halogen substituents, because of the planar five-membered ring structure in the molecular chain, can effectively inhibit the rotation of the chain, so it has high structural rigidity and thermal stability. Its molecular chain contains halogen, and it has good flame retardancy on the basis of heat resistance, so it has attracted widespread attention. [0003] The preparation of heat-resistant and flame-retardant ABS resin includes alloy method and copolymerization modification method, among which copolymerization modification method is a better technical route. The alloy method mainly refers to the PC / ABS alloy. The...

Claims

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Application Information

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IPC IPC(8): C08L25/00C08L35/06C08L51/04C08F212/02C08F222/40C08F2/24C08F2/38C08F279/02
Inventor 荔栓红丛日新赵志超钟启林李锦山艾纯金王锋李树毅葛蜀山闵义胡海华
Owner PETROCHINA CO LTD
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