Spraying-free PC/PBT alloy material and preparation method thereof
An alloy material and spray-free technology, which is applied in the field of spray-free PC/PBT alloy materials and its preparation, can solve the problems of uneven distribution of special effect powder, unstable flow rate, poor compatibility, etc. Heat distortion temperature, the effect of obvious metallic texture
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[0049] Based on the same inventive concept, this application also discloses a method for preparing spray-free PC / PBT alloy material, and its operation process is as follows figure 1 As shown, including the following steps:
[0050] Preparation of PC special effect powder masterbatch: take the material, weigh PC, special effect powder or granules and processing aids in proportion; mix and granulate, mix PC, special effect powder (or granules) and processing aids through a mixer Evenly, add it to the twin screw for mixing. The extruded material is cooled by a water tank, the cooling water temperature is 15-20℃, and the pelletizer is cut by the pelletizer. The pelletizer speed is 200-500rpm, and the dryer is dried. package;
[0051] Preparation of spray-free PC / PBT alloy materials: take the material, weigh PC, PBT, PC special effect powder masterbatch, compatibilizer, antioxidant and processing aid in proportion; mix and granulate, and specialize PC, PBT, and PC Effect The powder mas...
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