Halogen-free flame-retardant weather-resistant PET/PPS alloy material and preparation method thereof
An alloy material and weather-resistant technology, which is applied in the field of halogen-free flame-retardant and weather-resistant PET/PPS alloy materials and their preparation, can solve the problems of poor flame-retardant performance, low tensile strength, and low impact strength, and achieve improved flame-retardant effects, Good stability and high flame retardant efficiency
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Embodiment 1
[0033] Halogen-free flame-retardant and weather-resistant PET / PPS alloy material, made of the following raw materials: PET 80kg, PPS 40kg, melamine 10kg, zinc oxide 3kg, acrylic toughener 3kg, triethylene glycol bis[β-( 3-tert-butyl-4-hydroxy-5-methylphenyl) propionate] (antioxidant 245) 1kg, calcium stearate 1kg.
[0034] Preparation:
[0035] (1) Take each raw material by the above weight;
[0036] (2) All raw materials are placed in a mixer, and stirred at a speed of 100r / min for 20min to obtain a mixed material;
[0037] (3) Put the mixed material obtained in step (2) into a twin-screw extruder, control the screw machine speed to 400r / min, control the temperature to 220°C, extrude and granulate, and obtain a halogen-free flame-retardant and weather-resistant PET / PPS alloy Material.
Embodiment 2
[0039] Halogen-free flame-retardant and weather-resistant PET / PPS alloy material, made of the following raw materials: PET 90kg, PPS 45kg, melamine 12kg, magnesium oxide 3kg, acrylic-silicone rubber toughener 3kg, triethylene glycol bis[ β-(3-tert-butyl-4-hydroxy-5-methylphenyl)propionate] (antioxidant 245) 1kg, calcium stearate 1kg.
[0040] Preparation:
[0041] (1) Take each raw material by the above weight;
[0042] (2) All raw materials are placed in a mixer, and stirred at a speed of 120r / min for 18min to obtain a mixed material;
[0043](3) Put the mixed material obtained in step (2) into a twin-screw extruder, control the screw machine speed to 450r / min, control the temperature to 220°C, extrude and granulate, and obtain a halogen-free flame-retardant and weather-resistant PET / PPS alloy Material.
Embodiment 3
[0045] Halogen-free flame-retardant and weather-resistant PET / PPS alloy material, made of the following raw materials: PET 100kg, PPS 50kg, melamine 15kg, aluminum hydroxide 3kg, acrylic toughener 3kg, tris[2.4-di-tert-butylphenyl ] Phosphite (antioxidant 168) 1kg, zinc stearate 1kg.
[0046] Preparation:
[0047] (1) Take each raw material by the above weight;
[0048] (2) All raw materials are placed in a mixer, and stirred at a speed of 150r / min for 15min to obtain a mixed material;
[0049] (3) Put the mixed material obtained in step (2) into a twin-screw extruder, control the screw machine speed to 500r / min, control the temperature to 230°C, extrude and granulate, and obtain a halogen-free flame-retardant and weather-resistant PET / PPS alloy Material.
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