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Flame-retardant heat-resisting high-strength ABS (Acrylonitrile Butadiene Styrene) modified material and preparation method

A technology of modified materials and flame retardants, which is applied in the field of ABS modified materials and its preparation, can solve problems such as large warping deformation, affecting strength, and pollution, and achieve good heat resistance, good flame retardancy, and good heat effect

Inactive Publication Date: 2013-09-11
滁州格美特科技有限公司
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0004] At present, the flame retardant modification of ABS on the market mainly includes tetrabromobisphenol A, decabromodiphenylethane, decabromodiphenyl ether, brominated epoxy resin, etc., which are generally easy to affect the processing fluidity, strength, and effectiveness. Pollution, etc.
Heat-resistant modification is usually made into alloy materials with polycarbonate and other materials. The mechanical properties and heat resistance can be well controlled by the change of polycarbonate content. However, due to the drastic drop in fluidity and and the price is higher
The strength modification mainly strengthens ABS by adding glass fiber, etc., but the warping deformation is large, which limits the application field

Method used

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  • Flame-retardant heat-resisting high-strength ABS (Acrylonitrile Butadiene Styrene) modified material and preparation method
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Experimental program
Comparison scheme
Effect test

Embodiment 1

[0045] According to the proportion of the formula, 100 parts of ABS (acrylonitrile-butadiene-styrene copolymer), 32 parts of alkali-free glass fiber (treated by methacrylic acid propyl trimethoxysilane), 5 parts of ethylene methyl acrylate carbonyl copolymer Parts, 12 parts of melamine cyanurate, 3 parts of zinc borate, 1.5 parts of [β-(3,5 di-tert-butyl 4-hydroxy-phenyl)propionic acid] pentaerythritol ester, tris(1,2,2 phosphite , 12 parts of 6,6-pentamethylpiperidine) ester, 15 parts of polymethacrylimide, 5 parts of epoxy resin, and 0.8 part of zinc stearate were added to the high-speed mixer at a speed of 1000r / min, and mixed Discharge after 2~5 minutes;

[0046] Put the mixed material in a twin-screw extruder to melt, mix, extrude and granulate. The segmental temperature of the screw extruder is 180-190°C, 195-205°C, 210-220°C, 200-210°C, and the screw speed is 280r / min;

[0047] Then the obtained pellets are injection molded, the barrel temperature is 190-200° C., the ...

Embodiment 2

[0049] According to the formula ratio, 100 parts of ABS (acrylonitrile-butadiene-styrene copolymer), 35 parts of carbon fiber, 3 parts of ethylene-vinyl acetate copolymer, 10 parts of melamine phosphate, 4 parts of antimony trioxide, N, N 1.8 parts of '-di(β-naphthyl)-p-phenylenediamine, 1.0 parts of 2-hydroxy-4-methoxybenzophenone, 12 parts of polymethacrylimide, 5 parts of styrene-grafted maleic anhydride Parts, 0.5 parts of zinc stearate are added to the high-speed mixer, the speed is 920r / min, and the material is discharged after mixing for 2 to 5 minutes;

[0050] Put the mixed material in a twin-screw extruder to melt, mix, extrude and granulate. The segmental temperature of the screw extruder is 180-190°C, 195-205°C, 210-220°C, 200-210°C, and the screw speed is 300r / min;

[0051]The obtained pellets are then injection molded, the barrel temperature is 190-200° C., the nozzle temperature is 195-205° C., the injection pressure is 72 MPa, and the holding pressure is 32 MP...

Embodiment 3

[0053] According to the formula ratio, 100 parts of ABS (acrylonitrile-butadiene-styrene copolymer), 25 parts of asbestos fiber, 20 parts of melamine borate, 6 parts of antimony trioxide, [β-(3,5 di-tert-butyl Base 4-hydroxy-phenyl)propionic acid]pentaerythritol ester 1.5 parts, 2-hydroxy-4-methoxybenzophenone 1.5 parts, N-phenyl grafted maleimide 10 parts, epoxy resin 2 2 parts, 2 parts of styrene-grafted maleic anhydride, 1.0 parts of N, N'-ethylene bis-stearic acid amine were added to the high-speed mixer at a speed of 800r / min, mixed for 2 to 5 minutes and then discharged;

[0054] Put the mixed material in a twin-screw extruder to melt, mix, extrude and granulate. The segmental temperature of the screw extruder is 180-190°C, 195-205°C, 210-220°C, 200-210°C, and the screw speed is 200r / min;

[0055] Then the obtained pellets are injection molded, the barrel temperature is 190-200° C., the nozzle temperature is 195-205° C., the injection pressure is 65 MPa, and the holding...

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Abstract

The invention belongs to the field of high-polymer material modification and machining technology, and relates to an ABS modified material. The material comprises the following compositions in parts by weight: 100 parts of ABS copolymer, 25-40 parts of reinforced fiber, 0-8 parts of toughener, 10-20 parts of flame retardant, 3-8 parts of flame-retardant synergist, 1.5-2 parts of antioxidant, 1-1.5 parts of light stabilizer, 10-20 parts of heat-resisting auxiliary, 4-10 parts of interface compatilizer, and 0.5-1.0 parts of dispersing agent. The flame-retardant heat-resisting high-strength ABS modified material is high in strength, good in toughness, impact-resistant, flame-retardant and environment-friendly, good in heat resistance, easy to machine, long in service life and low in cost, and can be widely used in various fields such as automobiles, electronic appliances and buildings.

Description

technical field [0001] The invention belongs to the technical field of polymer material modification and processing, and relates to an ABS modified material and a preparation method thereof. Background technique [0002] ABS (acrylonitrile-butadiene-styrene copolymer) is a thermoplastic composed of three components: acrylonitrile, butadiene and styrene. It is a two-phase structure polymer material in which the polybutadiene rubber phase is dispersed in the continuous phase of AS resin. ABS is widely used in machinery, household appliances, daily appliances and other industries due to its good rigidity, hardness, toughness, chemical resistance and processing fluidity, low cost and light weight. The characteristics of the three components that make up the resin, namely the gloss and formability of styrene, the excellent mechanical properties of acrylonitrile, the impact resistance of polybutadiene rubber, etc., the effective combination of them makes the overall performance o...

Claims

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Application Information

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IPC IPC(8): C08L55/02C08L63/00C08L51/00C08K13/04C08K7/14C08K7/06C08K7/12C08K13/06C08K9/06B29B9/06B29C47/92B29C45/76B29C48/92
Inventor 郭学林
Owner 滁州格美特科技有限公司
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