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Low-cost and stress cracking resistance flame-retardant ABS (Acrylonitrile Butadiene Styrene) resin composite material and preparation method of ABS resin composite material

A technology of ABS resin and stress cracking resistance, which is applied in the field of flame-retardant styrene-butadiene-acrylonitrile (ABS) resin composite materials and its preparation, and can solve the problems of complex preparation process, high density, and poor mechanical strength. Achieve good toughness, low overall density and good flame retardancy

Inactive Publication Date: 2013-05-08
HEFEI GENIUS NEW MATERIALS
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  • Summary
  • Abstract
  • Description
  • Claims
  • Application Information

AI Technical Summary

Problems solved by technology

[0007] The novel halogen-free flame retardant reported in the patent CN101759949 A and the flame-retardant ABS prepared by it use silicon compound, talcum powder and antimony flame retardant to carry out Compounding, but the preparation process is more complicated, and the density is higher, and the mechanical strength is poorer

Method used

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Examples

Experimental program
Comparison scheme
Effect test

Embodiment 1

[0033] 500 parts of ABS resin A, 250 parts of ABS resin B, 80 parts of decabromodiphenylethane, 130 parts of chlorinated polyethylene, 35 parts of antimony trioxide, 2 parts of antioxidant 1076, 4 parts of antioxidant 168, Put 5 parts of calcium stearate and 2 parts of PTFE into a high-speed mixer and mix at a speed of 1000~1500rpm / min. After the material is naturally heated to 80°C, mix at a speed of 500~1000rpm / min, and heat up to 120°C for discharge. The mixture is extruded and granulated in an extruder with an aspect ratio of 40 and a screw diameter of 35mm. The temperature of the feeding port is set to 170°C, the extrusion temperature of each section of the screw is set to 180~220°C, and the temperature of the head is 225°C. The screw speed is 500~800rpm / min.

[0034]

Embodiment 2

[0036] 300 parts of ABS resin A, 450 parts of ABS resin B, 80 parts of decabromodiphenylethane, 130 parts of chlorinated polyethylene, 35 parts of antimony trioxide, 1 part of antioxidant 1076, 2 parts of antioxidant 168, Put 5 parts of silicone oil and 2 parts of ethylene bisstearamide into a high-speed mixer and mix at a speed of 1000~1500rpm / min. After the material is naturally heated to 80°C, mix at a speed of 500~1000rpm / min and heat up to 120°C. Discharging: extrude the mixture into pellets in an extruder with an aspect ratio of 40 and a screw diameter of 35mm, and the extrusion temperature is 180~225°C.

[0037]

Embodiment 3

[0039] 250 parts of ABS resin A, 500 parts of ABS resin B, 85 parts of tetrabromobisphenol A, 130 parts of chlorinated polyethylene, 35 parts of antimony trioxide, 2 parts of antioxidant 1076, 4 parts of antioxidant 1098, 5 1 part of calcium stearate and 3 parts of PTFE are put into a high-speed mixer and mixed at a speed of 1000~1500rpm / min. After the material is naturally heated to 80°C, the mixture is mixed at a speed of 500~1000rpm / min, and the temperature is raised to 120°C for discharge; The mixture is extruded and granulated in an extruder with an aspect ratio of 40 and a screw diameter of 35mm, and the extrusion temperature is 180-225°C.

[0040]

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Abstract

The invention provides a low-cost and stress cracking resistance flame-retardant ABS (Acrylonitrile Butadiene Styrene) resin composite material and a preparation method of the ABS resin composite material. The ABS resin composite material consists of 250-500 parts of ABS resin A, 250-500 parts of ABS resin B, 200-250 parts of a fire retardant, 3-6 parts of an antioxidant and 5-8 parts of a lubricating agent. The melt index of the ABS resin composite material prepared by the preparation method of the ABS resin composite material disclosed by the invention is greater than 15g / 10min, so that processing and forming are facilitated; and the ABS resin composite material has the advantages of good impact and tensile properties, excellent toughness and good flame retardant property, so that the ABS resin composite material is beneficial to guarantee that no harmful effects such as easy breakage, fracture and the like on electrical components occur in subsequent processes of assembling, tapping and the like.

Description

technical field [0001] The invention belongs to the technical field of polymers, in particular to a low-cost stress-cracking-resistant flame-retardant styrene-butadiene-acrylonitrile (ABS) resin composite material and a preparation method thereof. Background technique [0002] Styrene-acrylonitrile-butadiene copolymer (abbreviated as ABS) has been developed rapidly in the past half century. Due to its good impact resistance, heat resistance, dimensional stability and excellent gloss and electrical properties, it has been It has been widely used in the electrical and electronic and automotive industries. [0003] Generally speaking, the shape of electronic and electrical equipment is more complicated, so the ABS resin used for electronic and electrical equipment needs to have a higher melt index (generally >15g / 10min, 220°C, 10kg) to ensure the uniformity of the size and thickness of the equipment . At the same time, because it requires multiple assembly or tapping proce...

Claims

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Application Information

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Patent Type & Authority Applications(China)
IPC IPC(8): C08L55/02C08L23/28C08L25/12C08K13/02C08K3/22C08K5/03C08K5/136C08K5/098C08K5/20
Inventor 杨桂生郭鑫
Owner HEFEI GENIUS NEW MATERIALS
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