A high-efficiency halogen-free reinforced flame-retardant functional masterbatch for direct injection molding of pc-abs alloy and preparation method thereof
An injection molding and functional masterbatch technology, which is applied in the field of high-efficiency enhanced halogen-free flame retardant functional masterbatch and its preparation, can solve the mismatch of processing temperature, reduce the processing and preparation temperature of phosphorus/nitrogen flame retardant masterbatch, etc. problems, to achieve the effect of improving modification performance, excellent reinforcement and flame retardant effect, and avoiding surface frosting
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Embodiment 1
[0035] A high-efficiency enhanced halogen-free flame-retardant functional masterbatch for PC / ABS alloy direct injection molding, which is composed of two masterbatches A and B. The quality ratio of raw materials for the A masterbatch is as follows:
[0036]
[0037] The antioxidant is 4-[(4,6-Dioctylthio-1,3,5-triazin-2-yl)]-2,6-di-tert-butylphenol (trade name Antioxidant 565) and bis(2,4-dicumylphenyl) pentaerythritol diphosphite (trade name: Antioxidant S9228) in a mass ratio of 1:1.
[0038] The mass ratio of the raw materials of the B masterbatch is as follows:
[0039]
[0040] The preparation method of A masterbatch is as follows: Weigh all raw materials according to the above mass ratio requirements, put high-flow PC resin, ABS resin, SEBS, SMA, hyperbranched polyester and antioxidant into a high-speed mixer and mix evenly, and then The obtained mixture and the weighed chopped glass fibers are respectively fed into a twin-screw extruder through a conical feeder a...
Embodiment 2
[0043] A high-efficiency enhanced halogen-free flame-retardant functional masterbatch for PC / ABS alloy direct injection molding, which is composed of two masterbatches A and B. The quality ratio of raw materials for the A masterbatch is as follows:
[0044]
[0045] The antioxidant is 4-[(4,6-Dioctylthio-1,3,5-triazin-2-yl)]-2,6-di-tert-butylphenol (trade name Antioxidant 565) and bis(2,4-dicumylphenyl) pentaerythritol diphosphite (trade name: Antioxidant S9228) in a mass ratio of 1:1.
[0046] The mass ratio of the raw materials of the B masterbatch is as follows:
[0047]
[0048] The preparation method of A masterbatch is as follows: Weigh all raw materials according to the above mass ratio requirements, put high-flow PC resin, ABS resin, SEIS, SMA, hyperbranched polyester and antioxidant into a high-speed mixer and mix evenly, and then The obtained mixture and the weighed chopped glass fibers are respectively fed into a twin-screw extruder through a conical feeder a...
Embodiment 3
[0051] A high-efficiency enhanced halogen-free flame-retardant functional masterbatch for PC / ABS alloy direct injection molding, which is composed of two masterbatches A and B. The quality ratio of raw materials for the A masterbatch is as follows:
[0052]
[0053] The antioxidant is 4-[(4,6-Dioctylthio-1,3,5-triazin-2-yl)]-2,6-di-tert-butylphenol (trade name Antioxidant 565) and bis(2,4-dicumylphenyl) pentaerythritol diphosphite (trade name: Antioxidant S9228) in a mass ratio of 1:1.
[0054] The mass ratio of the raw materials of the B masterbatch is as follows:
[0055]
[0056] The preparation method of A masterbatch is as follows: Weigh all raw materials according to the above mass ratio requirements, put high-flow PC resin, ABS resin, SBS, SMA, hyperbranched polyester and antioxidant into a high-speed mixer and mix evenly, and then The obtained mixture and the weighed chopped glass fibers are respectively fed into a twin-screw extruder through a conical feeder an...
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