Transparent flame-retardant antistatic ABS material and preparation method thereof
A flame retardant and antistatic, ABS material technology, applied in the field of polymer materials, can solve the problems of chemical product warehouse explosion and fire, loss of appearance aesthetic value, electrostatic spark discharge, etc., to achieve low cost, good antistatic effect and easy processing. Effect
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[0053] The preparation method of the transparent flame-retardant and antistatic ABS material comprises the following steps:
[0054] (1) adding MABS, phosphorus-nitrogen-based flame retardant and zinc borate into a high-temperature mixer, pre-mixing, and granulating and cooling to obtain a flame-retardant master batch;
[0055](2) fully mixing MABS, antistatic agent, flame retardant masterbatch, and toughening agent in a high-speed mixer for 10-60 minutes to obtain a premix;
[0056] (3) The premix is conveyed to the twin-screw extruder through a precisely metered feeding device. Under the shearing, mixing and conveying of the screw, the material can be fully melted and compounded, and then extruded, granulated and dried to obtain Transparent flame retardant antistatic ABS material.
[0057] The processing conditions for the melt extrusion of the twin-screw extruder are as follows: the temperature of the first zone is 180°C, the temperature of the second zone is 190°C, the ...
Example
[0059] Embodiment 1-4, comparative example 1-4
[0060] The ABS composite material obtained after preparing the raw materials listed in Table 1 and Table 2 is injection-molded into a standard sample bar for testing according to the standard size, and each performance test is carried out according to the testing standard.
[0061] Each raw material content (weight percent) of table 1 flame retardant masterbatch
[0062]
[0063]
[0064] The specific proportioning and performance test data of each raw material in the embodiment of table 2 and the comparative example
[0065]
[0066] As can be seen from the examples and comparative examples in Table 2, compared with brominated flame retardants, the present invention selects phosphorus-nitrogen flame retardants and zinc borate flame retardant master batches with MABS resin as carrier as flame retardants , the mechanical properties are excellent, and the flow properties are better than the traditional flame retardant AB...
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