Functional flame-retardant polymeric composition and preparation method and application thereof
A technology of flame retardant polymer and composition, applied in the field of functional flame retardant polymer composition and its preparation, can solve the problems of reduced material toughness, reduced impact strength, poor flame retardant effect, etc., and achieves excellent comprehensive performance and good The effect of technical effects
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[0046] [Example 1-11]
[0047] The functional filler pretreatment and the preparation process of the functional flame-retardant polymer composition are as follows: Weigh the functional filler and the interface modifier in a high-speed mixer, mix for 2 minutes, and add the polymer matrix material and the compatibilizer , Flame retardants, additives, etc., continue to mix for 3 minutes. The mixed materials are introduced into a Leistritz twin-screw extruder to be melted, kneaded, extruded, and pelletized to obtain functional flame-retardant polymer compositions A1-A11. The temperature of each section of the twin-screw extruder is 150 to 180°C, 170 to 200°C, 200 to 250°C, 220 to 280°C, 250 to 300°C, and the screw speed is 100 to 300 rpm.
[0048] Sample injection molding: use BOY 55M injection molding machine to inject A1-A11 into standard splines. Test after constant temperature and humidity treatment according to standard requirements. The performance test results of A1-A11 are s...
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[0049] [Embodiment 12-22]
[0050] The pretreatment of the functional filler and the preparation process of the functional flame-retardant polymer composition are as follows: Weigh the functional filler and the interface modifier in a high-speed mixer, mix for 3 minutes, add the polymer matrix material and the compatibilizer , Flame retardants, additives, etc., continue to mix for 2 minutes. The mixed materials are introduced into a Leistritz twin-screw extruder to be melted, kneaded, extruded, and pelletized to obtain functional flame-retardant polymer compositions A12-A22. The temperature of each section of the twin-screw extruder is 150 to 180°C, 170 to 200°C, 200 to 250°C, 220 to 280°C, 250 to 300°C, and the screw speed is 100 to 300 rpm.
[0051] Sample injection molding: use BOY 55M injection molding machine to inject A12-A22 into standard splines. Test after constant temperature and humidity treatment according to standard requirements. The performance test results of A12...
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