A kind of high toughness flame-retardant pps/pctg composite material and its preparation method and application
A composite material and high toughness technology, which is applied in the field of high toughness flame retardant PPS/PCTG composite material and its preparation, can solve problems such as poor toughness, and achieve the effects of toughness improvement, rigidity and toughness balance, and high strength
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[0034] The preparation method of high-toughness flame-retardant PPS / PCTG composite material comprises the following steps:
[0035] PPS, PCTG, toughener (ethylene-methyl acrylate-glycidyl methacrylate, thermoplastic polyester elastomer), flame retardant (Clariant Exolit OP 1240, melamine polyphosphate) and lubricant (polyethylene Wax) is fed into the main feeding port of the twin-screw extruder, and under the twin-screw conveying and shearing action of the twin-screw extruder, after the material is fully melted and plasticized, it is drawn, cooled, and pelletized to obtain high toughness resistance. Burn PPS / PCTG composite material. The melting and plasticizing temperature in the twin-screw extruder is 260°C-285°C, and the screw rotation speed is 500rpm / min.
Embodiment 1~3 and comparative example 1~4
[0037] See Table 1 for details of the material proportions of Examples 1-3 and Comparative Examples 1-4.
[0038] Table 1
[0039] raw material Example 1 Example 2 Example 3 Comparative example 1 Comparative example 2 Comparative example 3 Comparative example 4 PPS 68 65 60 85 73 68 58 PCTG 15 15 20 0 15 15 20 3078 2 3 3 0 0 5 2 AX8900 3 5 5 3 0 0 8 1240 8 8 8 8 8 8 8 MPP 3 3 3 3 3 3 3 polyethylene wax 1 1 1 1 1 1 1
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